truffle: truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/source/Source.java annotate

annotate truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/source/Source.java @ 21972:ff6f34159b8a

Providing package-info for most of API packages. Feel free to provide your package-info.java for anything that has API in its name.

author	Jaroslav Tulach <jaroslav.tulach@oracle.com>
date	Tue, 23 Jun 2015 12:44:41 +0200
parents	5023b913e2ba
children	b2d1c8ff592a

rev	line source
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1 /*
19687 787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	2 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	4 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	7 * published by the Free Software Foundation. Oracle designates this
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	8 * particular file as subject to the "Classpath" exception as provided
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	9 * by Oracle in the LICENSE file that accompanied this code.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	10 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	11 * This code is distributed in the hope that it will be useful, but WITHOUT
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	14 * version 2 for more details (a copy is included in the LICENSE file that
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	15 * accompanied this code).
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	16 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	17 * You should have received a copy of the GNU General Public License version
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	18 * 2 along with this work; if not, write to the Free Software Foundation,
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	20 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	22 * or visit www.oracle.com if you need additional information or have any
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	23 * questions.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	24 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	25 package com.oracle.truffle.api.source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	26
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	27 import java.io.*;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	28 import java.lang.ref.*;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	29 import java.net.*;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	30 import java.util.*;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	31
21966 5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	32 import com.oracle.truffle.api.*;
19697 191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	33 import com.oracle.truffle.api.instrument.*;
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	34
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	35 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	36 * Representation of a guest language source code unit and its contents. Sources originate in
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	37 * several ways:
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	38 * <ul>
21270 a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	39 * <li><strong>Literal:</strong> An anonymous text string: not named and not indexed. These should
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	40 * be considered value objects; equality is defined based on contents.<br>
18672 f17b2a0303db Truffle/Source: change signature of Source factory methods to take literal text as CharSequence instead of String. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18485 diff changeset	41 * See {@link Source#fromText(CharSequence, String)}</li>
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	42 * <p>
21270 a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	43 * <li><strong>Named Literal:</strong> A text string that can be retrieved by name as if it were a
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	44 * file, but without any assumption that the name is related to a file path. Creating a new literal
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	45 * with an already existing name will replace its predecessor in the index.<br>
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	46 * See {@link Source#fromNamedText(CharSequence, String)}<br>
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	47 * See {@link Source#find(String)}</li>
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	48 * <p>
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	49 * <li><strong>File:</strong> Each file is represented as a canonical object, indexed by the
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	50 * absolute, canonical path name of the file. File contents are <em>read lazily</em> and contents
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	51 * optionally <em>cached</em>. <br>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	52 * See {@link Source#fromFileName(String)}<br>
21270 a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	53 * See {@link Source#fromFileName(String, boolean)}<br>
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	54 * See {@link Source#find(String)}</li>
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	55 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	56 * <li><strong>URL:</strong> Each URL source is represented as a canonical object, indexed by the
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	57 * URL. Contents are <em>read eagerly</em> and <em>cached</em>. <br>
21270 a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	58 * See {@link Source#fromURL(URL, String)}<br>
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	59 * See {@link Source#find(String)}</li>
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	60 * <p>
21270 a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	61 * <li><strong>Reader:</strong> Contents are <em>read eagerly</em> and treated as an anonymous
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	62 * (non-indexed) <em>Literal</em> . <br>
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	63 * See {@link Source#fromReader(Reader, String)}</li>
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	64 * <p>
21291 70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	65 * <li><strong>Sub-Source:</strong> A representation of the contents of a sub-range of another
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	66 * {@link Source}.<br>
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	67 * See @link {@link Source#subSource(Source, int, int)}<br>
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	68 * See @link {@link Source#subSource(Source, int)}</li>
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	69 * <p>
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	70 * <li><strong>AppendableSource:</strong> Literal contents are provided by the client,
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	71 * incrementally, after the instance is created.<br>
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	72 * See {@link Source#fromAppendableText(String)}<br>
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	73 * See {@link Source#fromNamedAppendableText(String)}</li>
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	74 * </ul>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	75 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	76 * <strong>File cache:</strong>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	77 * <ol>
21270 a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	78 * <li>File content caching is optional, <em>on</em> by default.</li>
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	79 * <li>The first access to source file contents will result in the contents being read, and (if
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	80 * enabled) cached.</li>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	81 * <li>If file contents have been cached, access to contents via {@link Source#getInputStream()} or
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	82 * {@link Source#getReader()} will be provided from the cache.</li>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	83 * <li>Any access to file contents via the cache will result in a timestamp check and possible cache
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	84 * reload.</li>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	85 * </ol>
19697 191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	86 * <p>
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	87 *
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	88 * @see SourceTag
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	89 * @see SourceListener
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	90 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	91 public abstract class Source {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	92
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	93 // TODO (mlvdv) consider canonicalizing and reusing SourceSection instances
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	94 // TOOD (mlvdv) connect SourceSections into a spatial tree for fast geometric lookup
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	95
20906 c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	96 public enum Tags implements SourceTag {
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	97
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	98 /**
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	99 * From bytes.
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	100 */
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	101 FROM_BYTES("bytes", "read from bytes"),
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	102
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	103 /**
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	104 * Read from a file.
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	105 */
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	106 FROM_FILE("file", "read from a file"),
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	107
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	108 /**
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	109 * From literal text.
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	110 */
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	111 FROM_LITERAL("literal", "from literal text"),
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	112
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	113 /**
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	114 * From a {@linkplain java.io.Reader Reader}.
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	115 */
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	116 FROM_READER("reader", "read from a Java Reader"),
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	117
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	118 /**
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	119 * Read from a URL.
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	120 */
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	121 FROM_URL("URL", "read from a URL");
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	122
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	123 private final String name;
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	124 private final String description;
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	125
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	126 private Tags(String name, String description) {
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	127 this.name = name;
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	128 this.description = description;
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	129 }
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	130
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	131 public String getName() {
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	132 return name;
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	133 }
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	134
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	135 public String getDescription() {
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	136 return description;
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	137 }
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	138
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	139 }
c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	140
19697 191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	141 /**
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	142 * All Sources that have been created.
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	143 */
20022 eebf140fa6e4 syncronize the access to Source.allSources. Should fix random crashes we experienced before. Christian Wirth <christian.wirth@oracle.com> parents: 19697 diff changeset	144 private static final List<WeakReference<Source>> allSources = Collections.synchronizedList(new ArrayList<WeakReference<Source>>());
19697 191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	145
21270 a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	146 /**
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	147 * Index of all named sources.
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	148 */
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	149 private static final Map<String, WeakReference<Source>> nameToSource = new HashMap<>();
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	150
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	151 private static boolean fileCacheEnabled = true;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	152
19697 191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	153 private static final List<SourceListener> sourceListeners = new ArrayList<>();
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	154
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	155 /**
21270 a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	156 * Locates an existing instance by the name under which it was indexed.
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	157 */
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	158 public static Source find(String name) {
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	159 final WeakReference<Source> nameRef = nameToSource.get(name);
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	160 return nameRef == null ? null : nameRef.get();
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	161 }
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	162
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	163 /**
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	164 * Gets the canonical representation of a source file, whose contents will be read lazily and
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	165 * then cached.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	166 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	167 * @param fileName name
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	168 * @param reset forces any existing {@link Source} cache to be cleared, forcing a re-read
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	169 * @return canonical representation of the file's contents.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	170 * @throws IOException if the file can not be read
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	171 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	172 public static Source fromFileName(String fileName, boolean reset) throws IOException {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	173
21270 a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	174 final WeakReference<Source> nameRef = nameToSource.get(fileName);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	175 Source source = nameRef == null ? null : nameRef.get();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	176 if (source == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	177 final File file = new File(fileName);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	178 if (!file.canRead()) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	179 throw new IOException("Can't read file " + fileName);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	180 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	181 final String path = file.getCanonicalPath();
21270 a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	182 final WeakReference<Source> pathRef = nameToSource.get(path);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	183 source = pathRef == null ? null : pathRef.get();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	184 if (source == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	185 source = new FileSource(file, fileName, path);
21270 a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	186 nameToSource.put(path, new WeakReference<>(source));
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	187 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	188 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	189 if (reset) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	190 source.reset();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	191 }
20906 c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	192 notifyNewSource(source).tagAs(Tags.FROM_FILE);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	193 return source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	194 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	195
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	196 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	197 * Gets the canonical representation of a source file, whose contents will be read lazily and
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	198 * then cached.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	199 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	200 * @param fileName name
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	201 * @return canonical representation of the file's contents.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	202 * @throws IOException if the file can not be read
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	203 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	204 public static Source fromFileName(String fileName) throws IOException {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	205 return fromFileName(fileName, false);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	206 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	207
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	208 /**
19687 787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	209 * Gets the canonical representation of a source file, whose contents have already been read and
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	210 * need not be read again. It is confirmed that the file resolves to a file name, so it can be
19690 c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	211 * indexed by canonical path. It is not confirmed that the text supplied agrees with the file's
c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	212 * contents or even whether the file is readable.
19687 787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	213 *
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	214 * @param chars textual source code already read from the file
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	215 * @param fileName
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	216 * @return canonical representation of the file's contents.
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	217 * @throws IOException if the file cannot be found
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	218 */
19690 c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	219 public static Source fromFileName(CharSequence chars, String fileName) throws IOException {
21966 5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	220 CompilerAsserts.neverPartOfCompilation();
19690 c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	221
21270 a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	222 final WeakReference<Source> nameRef = nameToSource.get(fileName);
19687 787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	223 Source source = nameRef == null ? null : nameRef.get();
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	224 if (source == null) {
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	225 final File file = new File(fileName);
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	226 // We are going to trust that the fileName is readable.
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	227 final String path = file.getCanonicalPath();
21270 a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	228 final WeakReference<Source> pathRef = nameToSource.get(path);
19687 787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	229 source = pathRef == null ? null : pathRef.get();
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	230 if (source == null) {
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	231 source = new FileSource(file, fileName, path, chars);
21270 a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	232 nameToSource.put(path, new WeakReference<>(source));
19687 787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	233 }
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	234 }
20906 c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	235 notifyNewSource(source).tagAs(Tags.FROM_FILE);
19690 c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	236 return source;
19687 787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	237 }
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	238
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	239 /**
21270 a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	240 * Creates an anonymous source from literal text: not named and not indexed.
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	241 *
18672 f17b2a0303db Truffle/Source: change signature of Source factory methods to take literal text as CharSequence instead of String. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18485 diff changeset	242 * @param chars textual source code
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	243 * @param description a note about the origin, for error messages and debugging
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	244 * @return a newly created, non-indexed source representation
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	245 */
18672 f17b2a0303db Truffle/Source: change signature of Source factory methods to take literal text as CharSequence instead of String. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18485 diff changeset	246 public static Source fromText(CharSequence chars, String description) {
21966 5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	247 CompilerAsserts.neverPartOfCompilation();
5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	248
18672 f17b2a0303db Truffle/Source: change signature of Source factory methods to take literal text as CharSequence instead of String. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18485 diff changeset	249 assert chars != null;
19697 191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	250 final LiteralSource source = new LiteralSource(description, chars.toString());
20906 c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	251 notifyNewSource(source).tagAs(Tags.FROM_LITERAL);
19697 191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	252 return source;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	253 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	254
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	255 /**
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	256 * Creates an anonymous source from literal text that is provided incrementally after creation:
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	257 * not named and not indexed.
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	258 *
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	259 * @param description a note about the origin, for error messages and debugging
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	260 * @return a newly created, non-indexed, initially empty, appendable source representation
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	261 */
21291 70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	262 public static Source fromAppendableText(String description) {
21966 5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	263 CompilerAsserts.neverPartOfCompilation();
5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	264
21291 70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	265 final Source source = new AppendableLiteralSource(description);
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	266 notifyNewSource(source).tagAs(Tags.FROM_LITERAL);
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	267 return source;
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	268 }
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	269
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	270 /**
21270 a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	271 * Creates a source from literal text that can be retrieved by name, with no assumptions about
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	272 * the structure or meaning of the name. If the name is already in the index, the new instance
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	273 * will replace the previously existing instance in the index.
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	274 *
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	275 * @param chars textual source code
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	276 * @param name string to use for indexing/lookup
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	277 * @return a newly created, source representation
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	278 */
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	279 public static Source fromNamedText(CharSequence chars, String name) {
21966 5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	280 CompilerAsserts.neverPartOfCompilation();
5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	281
21270 a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	282 final Source source = new LiteralSource(name, chars.toString());
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	283 nameToSource.put(name, new WeakReference<>(source));
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	284 notifyNewSource(source).tagAs(Tags.FROM_LITERAL);
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	285 return source;
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	286 }
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	287
a43c7adc9d99 Truffle/Source: rename asPseudoFile() to fromNamedText(), which more accurately describes its use cases. Rework Javadoc for completeness and clarity. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20906 diff changeset	288 /**
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	289 * Creates a source from literal text that is provided incrementally after creation and which
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	290 * can be retrieved by name, with no assumptions about the structure or meaning of the name. If
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	291 * the name is already in the index, the new instance will replace the previously existing
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	292 * instance in the index.
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	293 *
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	294 * @param name string to use for indexing/lookup
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	295 * @return a newly created, indexed, initially empty, appendable source representation
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	296 */
21291 70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	297 public static Source fromNamedAppendableText(String name) {
21966 5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	298 CompilerAsserts.neverPartOfCompilation();
5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	299
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	300 final Source source = new AppendableLiteralSource(name);
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	301 nameToSource.put(name, new WeakReference<>(source));
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	302 notifyNewSource(source).tagAs(Tags.FROM_LITERAL);
21291 70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	303 return source;
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	304 }
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	305
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	306 /**
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	307 * Creates a {@linkplain Source Source instance} that represents the contents of a sub-range of
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	308 * an existing {@link Source}.
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	309 *
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	310 * @param base an existing Source instance
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	311 * @param baseCharIndex 0-based index of the first character of the sub-range
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	312 * @param length the number of characters in the sub-range
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	313 * @return a new instance representing a sub-range of another Source
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	314 * @throws IllegalArgumentException if the specified sub-range is not contained in the base
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	315 */
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	316 public static Source subSource(Source base, int baseCharIndex, int length) {
21966 5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	317 CompilerAsserts.neverPartOfCompilation();
5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	318
21291 70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	319 final SubSource subSource = SubSource.create(base, baseCharIndex, length);
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	320 return subSource;
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	321 }
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	322
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	323 /**
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	324 * Creates a {@linkplain Source Source instance} that represents the contents of a sub-range at
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	325 * the end of an existing {@link Source}.
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	326 *
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	327 * @param base an existing Source instance
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	328 * @param baseCharIndex 0-based index of the first character of the sub-range
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	329 * @return a new instance representing a sub-range at the end of another Source
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	330 * @throws IllegalArgumentException if the index is out of range
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	331 */
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	332 public static Source subSource(Source base, int baseCharIndex) {
21966 5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	333 CompilerAsserts.neverPartOfCompilation();
5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	334
21291 70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	335 return subSource(base, baseCharIndex, base.getLength() - baseCharIndex);
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	336 }
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	337
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	338 /**
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	339 * Creates a source whose contents will be read immediately from a URL and cached.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	340 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	341 * @param url
18672 f17b2a0303db Truffle/Source: change signature of Source factory methods to take literal text as CharSequence instead of String. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18485 diff changeset	342 * @param description identifies the origin, possibly useful for debugging
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	343 * @return a newly created, non-indexed source representation
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	344 * @throws IOException if reading fails
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	345 */
18672 f17b2a0303db Truffle/Source: change signature of Source factory methods to take literal text as CharSequence instead of String. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18485 diff changeset	346 public static Source fromURL(URL url, String description) throws IOException {
21966 5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	347 CompilerAsserts.neverPartOfCompilation();
5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	348
19697 191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	349 final URLSource source = URLSource.get(url, description);
20906 c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	350 notifyNewSource(source).tagAs(Tags.FROM_URL);
19697 191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	351 return source;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	352 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	353
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	354 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	355 * Creates a source whose contents will be read immediately and cached.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	356 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	357 * @param reader
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	358 * @param description a note about the origin, possibly useful for debugging
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	359 * @return a newly created, non-indexed source representation
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	360 * @throws IOException if reading fails
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	361 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	362 public static Source fromReader(Reader reader, String description) throws IOException {
21966 5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	363 CompilerAsserts.neverPartOfCompilation();
5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	364
19697 191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	365 final LiteralSource source = new LiteralSource(description, read(reader));
20906 c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	366 notifyNewSource(source).tagAs(Tags.FROM_READER);
19697 191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	367 return source;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	368 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	369
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	370 /**
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	371 * Creates a source from raw bytes. This can be used if the encoding of strings in your language
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	372 * is not compatible with Java strings, or if your parser returns byte indices instead of
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	373 * character indices. The returned source is then indexed by byte, not by character.
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	374 *
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	375 * @param bytes the raw bytes of the source
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	376 * @param description a note about the origin, possibly useful for debugging
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	377 * @param decoder how to decode the bytes into Java strings
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	378 * @return a newly created, non-indexed source representation
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	379 */
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	380 public static Source fromBytes(byte[] bytes, String description, BytesDecoder decoder) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	381 return fromBytes(bytes, 0, bytes.length, description, decoder);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	382 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	383
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	384 /**
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	385 * Creates a source from raw bytes. This can be used if the encoding of strings in your language
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	386 * is not compatible with Java strings, or if your parser returns byte indices instead of
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	387 * character indices. The returned source is then indexed by byte, not by character. Offsets are
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	388 * relative to byteIndex.
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	389 *
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	390 * @param bytes the raw bytes of the source
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	391 * @param byteIndex where the string starts in the byte array
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	392 * @param length the length of the string in the byte array
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	393 * @param description a note about the origin, possibly useful for debugging
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	394 * @param decoder how to decode the bytes into Java strings
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	395 * @return a newly created, non-indexed source representation
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	396 */
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	397 public static Source fromBytes(byte[] bytes, int byteIndex, int length, String description, BytesDecoder decoder) {
21966 5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	398 CompilerAsserts.neverPartOfCompilation();
5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled. Christian Wimmer <christian.wimmer@oracle.com> parents: 21964 diff changeset	399
19697 191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	400 final BytesSource source = new BytesSource(description, bytes, byteIndex, length, decoder);
20906 c8b83aa6cc82 Truffle/Source: remove proposed standard SourceTags; migrate the tags related to Source provenance into thte Source class. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 20038 diff changeset	401 notifyNewSource(source).tagAs(Tags.FROM_BYTES);
19697 191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	402 return source;
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	403 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	404
16989 19faa7ca37c1 Truffle/Source: use a synchronized hash table Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16140 diff changeset	405 // TODO (mlvdv) enable per-file choice whether to cache?
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	406 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	407 * Enables/disables caching of file contents, <em>disabled</em> by default. Caching of sources
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	408 * created from literal text or readers is always enabled.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	409 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	410 public static void setFileCaching(boolean enabled) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	411 fileCacheEnabled = enabled;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	412 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	413
19697 191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	414 /**
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	415 * Returns all {@link Source}s holding a particular {@link SyntaxTag}, or the whole collection
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	416 * of Sources if the specified tag is {@code null}.
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	417 *
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	418 * @return A collection of Sources containing the given tag.
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	419 */
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	420 public static Collection<Source> findSourcesTaggedAs(SourceTag tag) {
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	421 final List<Source> taggedSources = new ArrayList<>();
20022 eebf140fa6e4 syncronize the access to Source.allSources. Should fix random crashes we experienced before. Christian Wirth <christian.wirth@oracle.com> parents: 19697 diff changeset	422 synchronized (allSources) {
eebf140fa6e4 syncronize the access to Source.allSources. Should fix random crashes we experienced before. Christian Wirth <christian.wirth@oracle.com> parents: 19697 diff changeset	423 for (WeakReference<Source> ref : allSources) {
eebf140fa6e4 syncronize the access to Source.allSources. Should fix random crashes we experienced before. Christian Wirth <christian.wirth@oracle.com> parents: 19697 diff changeset	424 Source source = ref.get();
eebf140fa6e4 syncronize the access to Source.allSources. Should fix random crashes we experienced before. Christian Wirth <christian.wirth@oracle.com> parents: 19697 diff changeset	425 if (source != null) {
eebf140fa6e4 syncronize the access to Source.allSources. Should fix random crashes we experienced before. Christian Wirth <christian.wirth@oracle.com> parents: 19697 diff changeset	426 if (tag == null \|\| source.isTaggedAs(tag)) {
eebf140fa6e4 syncronize the access to Source.allSources. Should fix random crashes we experienced before. Christian Wirth <christian.wirth@oracle.com> parents: 19697 diff changeset	427 taggedSources.add(ref.get());
eebf140fa6e4 syncronize the access to Source.allSources. Should fix random crashes we experienced before. Christian Wirth <christian.wirth@oracle.com> parents: 19697 diff changeset	428 }
19697 191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	429 }
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	430 }
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	431 }
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	432 return taggedSources;
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	433 }
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	434
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	435 /**
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	436 * Adds a {@link SourceListener} to receive events.
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	437 */
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	438 public static void addSourceListener(SourceListener listener) {
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	439 assert listener != null;
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	440 sourceListeners.add(listener);
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	441 }
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	442
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	443 /**
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	444 * Removes a {@link SourceListener}. Ignored if listener not found.
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	445 */
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	446 public static void removeSourceListener(SourceListener listener) {
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	447 sourceListeners.remove(listener);
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	448 }
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	449
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	450 private static Source notifyNewSource(Source source) {
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	451 allSources.add(new WeakReference<>(source));
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	452 for (SourceListener listener : sourceListeners) {
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	453 listener.sourceCreated(source);
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	454 }
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	455 return source;
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	456 }
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	457
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	458 private static String read(Reader reader) throws IOException {
18672 f17b2a0303db Truffle/Source: change signature of Source factory methods to take literal text as CharSequence instead of String. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18485 diff changeset	459 final BufferedReader bufferedReader = new BufferedReader(reader);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	460 final StringBuilder builder = new StringBuilder();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	461 final char[] buffer = new char[1024];
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	462
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	463 while (true) {
18672 f17b2a0303db Truffle/Source: change signature of Source factory methods to take literal text as CharSequence instead of String. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18485 diff changeset	464 final int n = bufferedReader.read(buffer);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	465 if (n == -1) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	466 break;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	467 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	468 builder.append(buffer, 0, n);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	469 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	470
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	471 return builder.toString();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	472 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	473
19697 191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	474 private final ArrayList<SourceTag> tags = new ArrayList<>();
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	475
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	476 private Source() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	477 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	478
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	479 private TextMap textMap = null;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	480
21964 9d15f06f3537 Using protected access modifier in non-subclassable class is suspicious. Making package private. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21951 diff changeset	481 abstract void reset();
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	482
19697 191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	483 public final boolean isTaggedAs(SourceTag tag) {
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	484 assert tag != null;
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	485 return tags.contains(tag);
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	486 }
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	487
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	488 public final Collection<SourceTag> getSourceTags() {
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	489 return Collections.unmodifiableCollection(tags);
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	490 }
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	491
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	492 /**
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	493 * Adds a {@linkplain SourceTag tag} to the set of tags associated with this {@link Source};
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	494 * {@code no-op} if already in the set.
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	495 *
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	496 * @return this
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	497 */
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	498 public final Source tagAs(SourceTag tag) {
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	499 assert tag != null;
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	500 if (!tags.contains(tag)) {
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	501 tags.add(tag);
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	502 for (SourceListener listener : sourceListeners) {
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	503 listener.sourceTaggedAs(this, tag);
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	504 }
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	505 }
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	506 return this;
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	507 }
191c55f08ed2 Truffle: add the ability to "tag" Sources with any number of standard or private tags, for example so that Sources might be marked as "FROM_FILE", "LIBRARY", "BUILTIN", or any other distinction that matters to some tools. Those tags can be applied by the language runtime when sources are created, for example when loading builtins. Alternately, you can listen for newly created sources from outside the implementation, where you might tag sources based on pattern matching against file paths or any other meta-information in the Source. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19690 diff changeset	508
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	509 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	510 * Returns the name of this resource holding a guest language program. An example would be the
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	511 * name of a guest language source code file.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	512 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	513 * @return the name of the guest language program
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	514 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	515 public abstract String getName();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	516
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	517 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	518 * Returns a short version of the name of the resource holding a guest language program (as
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	519 * described in @getName). For example, this could be just the name of the file, rather than a
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	520 * full path.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	521 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	522 * @return the short name of the guest language program
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	523 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	524 public abstract String getShortName();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	525
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	526 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	527 * The normalized, canonical name if the source is a file.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	528 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	529 public abstract String getPath();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	530
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	531 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	532 * The URL if the source is retrieved via URL.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	533 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	534 public abstract URL getURL();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	535
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	536 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	537 * Access to the source contents.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	538 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	539 public abstract Reader getReader();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	540
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	541 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	542 * Access to the source contents.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	543 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	544 public final InputStream getInputStream() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	545 return new ByteArrayInputStream(getCode().getBytes());
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	546 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	547
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	548 /**
19690 c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	549 * Gets the number of characters in the source.
c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	550 */
c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	551 public final int getLength() {
21292 8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	552 return getTextMap().length();
19690 c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	553 }
c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	554
c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	555 /**
19687 787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	556 * Returns the complete text of the code.
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	557 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	558 public abstract String getCode();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	559
19687 787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	560 /**
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	561 * Returns a subsection of the code test.
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	562 */
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	563 public String getCode(int charIndex, int charLength) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	564 return getCode().substring(charIndex, charIndex + charLength);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	565 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	566
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	567 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	568 * Gets the text (not including a possible terminating newline) in a (1-based) numbered line.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	569 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	570 public final String getCode(int lineNumber) {
21292 8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	571 final int offset = getTextMap().lineStartOffset(lineNumber);
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	572 final int length = getTextMap().lineLength(lineNumber);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	573 return getCode().substring(offset, offset + length);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	574 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	575
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	576 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	577 * The number of text lines in the source, including empty lines; characters at the end of the
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	578 * source without a terminating newline count as a line.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	579 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	580 public final int getLineCount() {
21292 8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	581 return getTextMap().lineCount();
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	582 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	583
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	584 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	585 * Given a 0-based character offset, return the 1-based number of the line that includes the
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	586 * position.
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	587 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	588 * @throws IllegalArgumentException if the offset is outside the text contents
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	589 */
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	590 public final int getLineNumber(int offset) throws IllegalArgumentException {
21292 8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	591 return getTextMap().offsetToLine(offset);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	592 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	593
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	594 /**
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	595 * Given a 0-based character offset, return the 1-based number of the column at the position.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	596 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	597 * @throws IllegalArgumentException if the offset is outside the text contents
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	598 */
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	599 public final int getColumnNumber(int offset) throws IllegalArgumentException {
21292 8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	600 return getTextMap().offsetToCol(offset);
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	601 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	602
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	603 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	604 * Given a 1-based line number, return the 0-based offset of the first character in the line.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	605 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	606 * @throws IllegalArgumentException if there is no such line in the text
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	607 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	608 public final int getLineStartOffset(int lineNumber) throws IllegalArgumentException {
21292 8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	609 return getTextMap().lineStartOffset(lineNumber);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	610 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	611
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	612 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	613 * The number of characters (not counting a possible terminating newline) in a (1-based)
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	614 * numbered line.
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	615 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	616 * @throws IllegalArgumentException if there is no such line in the text
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	617 */
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	618 public final int getLineLength(int lineNumber) throws IllegalArgumentException {
21292 8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	619 return getTextMap().lineLength(lineNumber);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	620 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	621
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	622 /**
21291 70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	623 * Append text to a Source explicitly created as <em>Appendable</em>.
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	624 *
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	625 * @param chars the text to append
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	626 * @throws UnsupportedOperationException by concrete subclasses that do not support appending
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	627 */
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	628 public void appendCode(CharSequence chars) {
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	629 throw new UnsupportedOperationException();
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	630 }
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	631
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	632 /**
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	633 * Creates a representation of a contiguous region of text in the source.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	634 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	635 * This method performs no checks on the validity of the arguments.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	636 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	637 * The resulting representation defines hash/equality around equivalent location, presuming that
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	638 * {@link Source} representations are canonical.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	639 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	640 * @param identifier terse description of the region
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	641 * @param startLine 1-based line number of the first character in the section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	642 * @param startColumn 1-based column number of the first character in the section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	643 * @param charIndex the 0-based index of the first character of the section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	644 * @param length the number of characters in the section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	645 * @return newly created object representing the specified region
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	646 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	647 public final SourceSection createSection(String identifier, int startLine, int startColumn, int charIndex, int length) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	648 return new DefaultSourceSection(this, identifier, startLine, startColumn, charIndex, length);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	649 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	650
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	651 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	652 * Creates a representation of a contiguous region of text in the source. Computes the
21972 ff6f34159b8a Providing package-info for most of API packages. Feel free to provide your package-info.java for anything that has API in its name. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21966 diff changeset	653 * {@code charIndex} value by building a {@code TextMap map} of lines in the source.
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	654 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	655 * Checks the position arguments for consistency with the source.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	656 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	657 * The resulting representation defines hash/equality around equivalent location, presuming that
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	658 * {@link Source} representations are canonical.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	659 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	660 * @param identifier terse description of the region
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	661 * @param startLine 1-based line number of the first character in the section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	662 * @param startColumn 1-based column number of the first character in the section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	663 * @param length the number of characters in the section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	664 * @return newly created object representing the specified region
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	665 * @throws IllegalArgumentException if arguments are outside the text of the source
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	666 * @throws IllegalStateException if the source is one of the "null" instances
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	667 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	668 public final SourceSection createSection(String identifier, int startLine, int startColumn, int length) {
21292 8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	669 final int lineStartOffset = getTextMap().lineStartOffset(startLine);
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	670 if (startColumn > getTextMap().lineLength(startLine)) {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	671 throw new IllegalArgumentException("column out of range");
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	672 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	673 final int startOffset = lineStartOffset + startColumn - 1;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	674 return new DefaultSourceSection(this, identifier, startLine, startColumn, startOffset, length);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	675 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	676
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	677 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	678 * Creates a representation of a contiguous region of text in the source. Computes the
21972 ff6f34159b8a Providing package-info for most of API packages. Feel free to provide your package-info.java for anything that has API in its name. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21966 diff changeset	679 * {@code (startLine, startColumn)} values by building a {@code TextMap map} of lines in the
ff6f34159b8a Providing package-info for most of API packages. Feel free to provide your package-info.java for anything that has API in its name. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21966 diff changeset	680 * source.
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	681 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	682 * Checks the position arguments for consistency with the source.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	683 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	684 * The resulting representation defines hash/equality around equivalent location, presuming that
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	685 * {@link Source} representations are canonical.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	686 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	687 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	688 * @param identifier terse description of the region
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	689 * @param charIndex 0-based position of the first character in the section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	690 * @param length the number of characters in the section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	691 * @return newly created object representing the specified region
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	692 * @throws IllegalArgumentException if either of the arguments are outside the text of the
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	693 * source
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	694 * @throws IllegalStateException if the source is one of the "null" instances
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	695 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	696 public final SourceSection createSection(String identifier, int charIndex, int length) throws IllegalArgumentException {
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	697 checkRange(charIndex, length);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	698 final int startLine = getLineNumber(charIndex);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	699 final int startColumn = charIndex - getLineStartOffset(startLine) + 1;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	700 return new DefaultSourceSection(this, identifier, startLine, startColumn, charIndex, length);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	701 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	702
21964 9d15f06f3537 Using protected access modifier in non-subclassable class is suspicious. Making package private. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21951 diff changeset	703 void checkRange(int charIndex, int length) {
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	704 if (!(charIndex >= 0 && length >= 0 && charIndex + length <= getCode().length())) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	705 throw new IllegalArgumentException("text positions out of range");
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	706 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	707 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	708
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	709 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	710 * Creates a representation of a line of text in the source identified only by line number, from
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	711 * which the character information will be computed.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	712 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	713 * @param identifier terse description of the line
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	714 * @param lineNumber 1-based line number of the first character in the section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	715 * @return newly created object representing the specified line
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	716 * @throws IllegalArgumentException if the line does not exist the source
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	717 * @throws IllegalStateException if the source is one of the "null" instances
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	718 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	719 public final SourceSection createSection(String identifier, int lineNumber) {
21292 8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	720 final int charIndex = getTextMap().lineStartOffset(lineNumber);
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	721 final int length = getTextMap().lineLength(lineNumber);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	722 return createSection(identifier, charIndex, length);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	723 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	724
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	725 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	726 * Creates a representation of a line number in this source, suitable for use as a hash table
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	727 * key with equality defined to mean equivalent location.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	728 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	729 * @param lineNumber a 1-based line number in this source
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	730 * @return a representation of a line in this source
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	731 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	732 public final LineLocation createLineLocation(int lineNumber) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	733 return new LineLocationImpl(this, lineNumber);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	734 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	735
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	736 /**
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	737 * An object suitable for using as a key into a hashtable that defines equivalence between
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	738 * different source types.
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	739 */
21964 9d15f06f3537 Using protected access modifier in non-subclassable class is suspicious. Making package private. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21951 diff changeset	740 Object getHashKey() {
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	741 return getName();
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	742 }
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	743
21964 9d15f06f3537 Using protected access modifier in non-subclassable class is suspicious. Making package private. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21951 diff changeset	744 final TextMap getTextMap() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	745 if (textMap == null) {
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	746 textMap = createTextMap();
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	747 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	748 return textMap;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	749 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	750
21964 9d15f06f3537 Using protected access modifier in non-subclassable class is suspicious. Making package private. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21951 diff changeset	751 final void clearTextMap() {
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	752 textMap = null;
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	753 }
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	754
21964 9d15f06f3537 Using protected access modifier in non-subclassable class is suspicious. Making package private. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21951 diff changeset	755 TextMap createTextMap() {
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	756 final String code = getCode();
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	757 if (code == null) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	758 throw new RuntimeException("can't read file " + getName());
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	759 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	760 return TextMap.fromString(code);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	761 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	762
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	763 private static final class LiteralSource extends Source {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	764
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	765 private final String description;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	766 private final String code;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	767
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	768 public LiteralSource(String description, String code) {
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	769 this.description = description;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	770 this.code = code;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	771 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	772
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	773 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	774 public String getName() {
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	775 return description;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	776 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	777
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	778 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	779 public String getShortName() {
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	780 return description;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	781 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	782
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	783 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	784 public String getCode() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	785 return code;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	786 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	787
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	788 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	789 public String getPath() {
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	790 return description;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	791 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	792
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	793 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	794 public URL getURL() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	795 return null;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	796 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	797
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	798 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	799 public Reader getReader() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	800 return new StringReader(code);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	801 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	802
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	803 @Override
21964 9d15f06f3537 Using protected access modifier in non-subclassable class is suspicious. Making package private. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21951 diff changeset	804 void reset() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	805 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	806
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	807 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	808 public int hashCode() {
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	809 return description.hashCode();
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	810 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	811
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	812 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	813 public boolean equals(Object obj) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	814 if (this == obj) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	815 return true;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	816 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	817 if (obj == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	818 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	819 }
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	820 if (obj instanceof LiteralSource) {
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	821 LiteralSource other = (LiteralSource) obj;
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	822 return description.equals(other.description);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	823 }
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	824 return false;
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	825 }
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	826 }
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	827
21291 70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	828 private static final class AppendableLiteralSource extends Source {
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	829 private String description;
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	830 final List<CharSequence> codeList = new ArrayList<>();
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	831
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	832 public AppendableLiteralSource(String description) {
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	833 this.description = description;
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	834 }
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	835
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	836 @Override
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	837 public String getName() {
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	838 return description;
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	839 }
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	840
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	841 @Override
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	842 public String getShortName() {
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	843 return description;
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	844 }
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	845
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	846 @Override
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	847 public String getCode() {
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	848 return getCodeFromIndex(0);
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	849 }
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	850
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	851 @Override
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	852 public String getPath() {
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	853 return description;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	854 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	855
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	856 @Override
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	857 public URL getURL() {
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	858 return null;
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	859 }
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	860
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	861 @Override
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	862 public Reader getReader() {
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	863 return new StringReader(getCode());
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	864 }
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	865
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	866 @Override
21964 9d15f06f3537 Using protected access modifier in non-subclassable class is suspicious. Making package private. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21951 diff changeset	867 void reset() {
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	868 }
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	869
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	870 private String getCodeFromIndex(int index) {
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	871 StringBuilder sb = new StringBuilder();
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	872 for (int i = index; i < codeList.size(); i++) {
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	873 CharSequence s = codeList.get(i);
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	874 sb.append(s);
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	875 }
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	876 return sb.toString();
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	877 }
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	878
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	879 @Override
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	880 public void appendCode(CharSequence chars) {
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	881 codeList.add(chars);
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	882 clearTextMap();
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	883 }
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	884
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	885 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	886
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	887 private static final class FileSource extends Source {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	888
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	889 private final File file;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	890 private final String name; // Name used originally to describe the source
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	891 private final String path; // Normalized path description of an actual file
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	892
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	893 private String code = null; // A cache of the file's contents
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	894 private long timeStamp; // timestamp of the cache in the file system
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	895
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	896 public FileSource(File file, String name, String path) {
19687 787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	897 this(file, name, path, null);
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	898 }
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	899
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	900 public FileSource(File file, String name, String path, CharSequence chars) {
18980 ae0eb836e6f4 store absolute file in FileSource Lukas Stadler <lukas.stadler@oracle.com> parents: 18979 diff changeset	901 this.file = file.getAbsoluteFile();
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	902 this.name = name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	903 this.path = path;
19687 787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	904 if (chars != null) {
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	905 this.code = chars.toString();
787b5aa53401 Truffle: new factory method for files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18980 diff changeset	906 }
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	907 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	908
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	909 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	910 public String getName() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	911 return name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	912 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	913
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	914 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	915 public String getShortName() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	916 return file.getName();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	917 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	918
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	919 @Override
21964 9d15f06f3537 Using protected access modifier in non-subclassable class is suspicious. Making package private. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21951 diff changeset	920 Object getHashKey() {
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	921 return path;
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	922 }
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	923
1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	924 @Override
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	925 public String getCode() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	926 if (fileCacheEnabled) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	927 if (code == null \|\| timeStamp != file.lastModified()) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	928 try {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	929 code = read(getReader());
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	930 timeStamp = file.lastModified();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	931 } catch (IOException e) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	932 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	933 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	934 return code;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	935 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	936 try {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	937 return read(new FileReader(file));
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	938 } catch (IOException e) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	939 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	940 return null;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	941 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	942
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	943 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	944 public String getPath() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	945 return path;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	946 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	947
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	948 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	949 public URL getURL() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	950 return null;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	951 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	952
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	953 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	954 public Reader getReader() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	955 if (code != null && timeStamp == file.lastModified()) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	956 return new StringReader(code);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	957 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	958 try {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	959 return new FileReader(file);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	960 } catch (FileNotFoundException e) {
18979 bdb24e259c11 include original exception in FileSource.getReader Lukas Stadler <lukas.stadler@oracle.com> parents: 18676 diff changeset	961
bdb24e259c11 include original exception in FileSource.getReader Lukas Stadler <lukas.stadler@oracle.com> parents: 18676 diff changeset	962 throw new RuntimeException("Can't find file " + path, e);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	963 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	964 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	965
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	966 @Override
18676 1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	967 public int hashCode() {
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	968 return path.hashCode();
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	969 }
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	970
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	971 @Override
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	972 public boolean equals(Object obj) {
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	973 if (this == obj) {
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	974 return true;
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	975 }
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	976 if (obj instanceof FileSource) {
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	977 FileSource other = (FileSource) obj;
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	978 return path.equals(other.path);
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	979 }
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	980 return false;
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	981 }
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	982
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	983 @Override
21964 9d15f06f3537 Using protected access modifier in non-subclassable class is suspicious. Making package private. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21951 diff changeset	984 void reset() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	985 this.code = null;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	986 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	987 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	988
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	989 private static final class URLSource extends Source {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	990
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	991 private static final Map<URL, WeakReference<URLSource>> urlToSource = new HashMap<>();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	992
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	993 public static URLSource get(URL url, String name) throws IOException {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	994 WeakReference<URLSource> sourceRef = urlToSource.get(url);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	995 URLSource source = sourceRef == null ? null : sourceRef.get();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	996 if (source == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	997 source = new URLSource(url, name);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	998 urlToSource.put(url, new WeakReference<>(source));
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	999 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1000 return source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1001 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1002
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1003 private final URL url;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1004 private final String name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1005 private String code = null; // A cache of the source contents
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1006
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1007 public URLSource(URL url, String name) throws IOException {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1008 this.url = url;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1009 this.name = name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1010 code = read(new InputStreamReader(url.openStream()));
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1011 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1012
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1013 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1014 public String getName() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1015 return name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1016 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1017
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1018 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1019 public String getShortName() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1020 return name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1021 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1022
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1023 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1024 public String getPath() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1025 return url.getPath();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1026 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1027
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1028 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1029 public URL getURL() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1030 return url;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1031 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1032
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1033 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1034 public Reader getReader() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1035 return new StringReader(code);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1036 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1037
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1038 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1039 public String getCode() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1040 return code;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1041 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1042
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1043 @Override
21964 9d15f06f3537 Using protected access modifier in non-subclassable class is suspicious. Making package private. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21951 diff changeset	1044 void reset() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1045 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1046 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1047
21292 8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1048 private static final class SubSource extends Source {
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1049 private final Source base;
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1050 private final int baseIndex;
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1051 private final int subLength;
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1052
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1053 private static SubSource create(Source base, int baseIndex, int length) {
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1054 if (baseIndex < 0 \|\| length < 0 \|\| baseIndex + length > base.getLength()) {
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1055 throw new IllegalArgumentException("text positions out of range");
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1056 }
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1057 return new SubSource(base, baseIndex, length);
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1058 }
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1059
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1060 private SubSource(Source base, int baseIndex, int length) {
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1061 this.base = base;
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1062 this.baseIndex = baseIndex;
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1063 this.subLength = length;
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1064 }
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1065
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1066 @Override
21964 9d15f06f3537 Using protected access modifier in non-subclassable class is suspicious. Making package private. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21951 diff changeset	1067 void reset() {
21292 8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1068 assert false;
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1069 }
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1070
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1071 @Override
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1072 public String getName() {
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1073 return base.getName();
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1074 }
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1075
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1076 @Override
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1077 public String getShortName() {
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1078 return base.getShortName();
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1079 }
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1080
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1081 @Override
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1082 public String getPath() {
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1083 return base.getPath();
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1084 }
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1085
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1086 @Override
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1087 public URL getURL() {
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1088 return null;
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1089 }
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1090
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1091 @Override
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1092 public Reader getReader() {
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1093 assert false;
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1094 return null;
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1095 }
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1096
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1097 @Override
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1098 public String getCode() {
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1099 return base.getCode(baseIndex, subLength);
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1100 }
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1101 }
8eadc82f4a93 Truffle/Source: fix an inconsistency in the ordering of the private subclass sources; clean up the getTextMap() abstraction for more safety. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21291 diff changeset	1102
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1103 private static final class BytesSource extends Source {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1104
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1105 private final String name;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1106 private final byte[] bytes;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1107 private final int byteIndex;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1108 private final int length;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1109 private final BytesDecoder decoder;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1110
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1111 public BytesSource(String name, byte[] bytes, int byteIndex, int length, BytesDecoder decoder) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1112 this.name = name;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1113 this.bytes = bytes;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1114 this.byteIndex = byteIndex;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1115 this.length = length;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1116 this.decoder = decoder;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1117 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1118
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1119 @Override
21964 9d15f06f3537 Using protected access modifier in non-subclassable class is suspicious. Making package private. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21951 diff changeset	1120 void reset() {
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1121 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1122
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1123 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1124 public String getName() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1125 return name;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1126 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1127
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1128 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1129 public String getShortName() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1130 return name;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1131 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1132
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1133 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1134 public String getPath() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1135 return name;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1136 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1137
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1138 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1139 public URL getURL() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1140 return null;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1141 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1142
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1143 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1144 public Reader getReader() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1145 return null;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1146 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1147
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1148 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1149 public String getCode() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1150 return decoder.decode(bytes, byteIndex, length);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1151 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1152
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1153 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1154 public String getCode(int byteOffset, int codeLength) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1155 return decoder.decode(bytes, byteIndex + byteOffset, codeLength);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1156 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1157
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1158 @Override
21964 9d15f06f3537 Using protected access modifier in non-subclassable class is suspicious. Making package private. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21951 diff changeset	1159 void checkRange(int charIndex, int rangeLength) {
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1160 if (!(charIndex >= 0 && rangeLength >= 0 && charIndex + rangeLength <= length)) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1161 throw new IllegalArgumentException("text positions out of range");
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1162 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1163 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1164
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1165 @Override
21964 9d15f06f3537 Using protected access modifier in non-subclassable class is suspicious. Making package private. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21951 diff changeset	1166 TextMap createTextMap() {
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1167 return TextMap.fromBytes(bytes, byteIndex, length, decoder);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1168 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1169 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1170
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1171 private static final class DefaultSourceSection implements SourceSection {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1172
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1173 private final Source source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1174 private final String identifier;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1175 private final int startLine;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1176 private final int startColumn;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1177 private final int charIndex;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1178 private final int charLength;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1179
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1180 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1181 * Creates a new object representing a contiguous text section within the source code of a
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1182 * guest language program's text.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1183 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1184 * The starting location of the section is specified using two different coordinate:
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1185 * <ul>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1186 * <li><b>(row, column)</b>: rows and columns are 1-based, so the first character in a
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1187 * source file is at position {@code (1,1)}.</li>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1188 * <li><b>character index</b>: 0-based offset of the character from the beginning of the
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1189 * source, so the first character in a file is at index {@code 0}.</li>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1190 * </ul>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1191 * The <b>newline</b> that terminates each line counts as a single character for the purpose
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1192 * of a character index. The (row,column) coordinates of a newline character should never
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1193 * appear in a text section.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1194 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1195 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1196 * @param source object representing the complete source program that contains this section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1197 * @param identifier an identifier used when printing the section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1198 * @param startLine the 1-based number of the start line of the section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1199 * @param startColumn the 1-based number of the start column of the section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1200 * @param charIndex the 0-based index of the first character of the section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1201 * @param charLength the length of the section in number of characters
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1202 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1203 public DefaultSourceSection(Source source, String identifier, int startLine, int startColumn, int charIndex, int charLength) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1204 this.source = source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1205 this.identifier = identifier;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1206 this.startLine = startLine;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1207 this.startColumn = startColumn;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1208 this.charIndex = charIndex;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1209 this.charLength = charLength;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1210 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1211
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1212 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	1213 public Source getSource() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1214 return source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1215 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1216
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1217 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	1218 public int getStartLine() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1219 return startLine;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1220 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1221
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1222 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	1223 public LineLocation getLineLocation() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1224 return source.createLineLocation(startLine);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1225 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1226
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1227 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	1228 public int getStartColumn() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1229 return startColumn;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1230 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1231
19688 33bdafbf285d Truffle: SourceSection can now produce the line/column coordinates of its final character Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19687 diff changeset	1232 public int getEndLine() {
33bdafbf285d Truffle: SourceSection can now produce the line/column coordinates of its final character Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19687 diff changeset	1233 return source.getLineNumber(charIndex + charLength - 1);
33bdafbf285d Truffle: SourceSection can now produce the line/column coordinates of its final character Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19687 diff changeset	1234 }
33bdafbf285d Truffle: SourceSection can now produce the line/column coordinates of its final character Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19687 diff changeset	1235
33bdafbf285d Truffle: SourceSection can now produce the line/column coordinates of its final character Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19687 diff changeset	1236 public int getEndColumn() {
33bdafbf285d Truffle: SourceSection can now produce the line/column coordinates of its final character Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19687 diff changeset	1237 return source.getColumnNumber(charIndex + charLength - 1);
33bdafbf285d Truffle: SourceSection can now produce the line/column coordinates of its final character Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19687 diff changeset	1238 }
33bdafbf285d Truffle: SourceSection can now produce the line/column coordinates of its final character Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19687 diff changeset	1239
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1240 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	1241 public int getCharIndex() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1242 return charIndex;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1243 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1244
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1245 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	1246 public int getCharLength() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1247 return charLength;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1248 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1249
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1250 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	1251 public int getCharEndIndex() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1252 return charIndex + charLength;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1253 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1254
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1255 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	1256 public String getIdentifier() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1257 return identifier;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1258 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1259
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1260 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	1261 public String getCode() {
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1262 return getSource().getCode(charIndex, charLength);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1263 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1264
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1265 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	1266 public String getShortDescription() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1267 return String.format("%s:%d", source.getShortName(), startLine);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1268 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1269
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1270 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1271 public String toString() {
16140 7109baa7b9eb Truffle/Source: SourceSection.toString() is now equivalent to getCode() Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16130 diff changeset	1272 return getCode();
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1273 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1274
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1275 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1276 public int hashCode() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1277 final int prime = 31;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1278 int result = 1;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1279 result = prime * result + charIndex;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1280 result = prime * result + charLength;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1281 result = prime * result + ((identifier == null) ? 0 : identifier.hashCode());
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1282 result = prime * result + ((source == null) ? 0 : source.hashCode());
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1283 result = prime * result + startColumn;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1284 result = prime * result + startLine;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1285 return result;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1286 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1287
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1288 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1289 public boolean equals(Object obj) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1290 if (this == obj) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1291 return true;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1292 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1293 if (obj == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1294 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1295 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1296 if (!(obj instanceof DefaultSourceSection)) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1297 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1298 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1299 DefaultSourceSection other = (DefaultSourceSection) obj;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1300 if (charIndex != other.charIndex) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1301 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1302 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1303 if (charLength != other.charLength) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1304 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1305 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1306 if (identifier == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1307 if (other.identifier != null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1308 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1309 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1310 } else if (!identifier.equals(other.identifier)) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1311 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1312 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1313 if (source == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1314 if (other.source != null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1315 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1316 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1317 } else if (!source.equals(other.source)) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1318 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1319 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1320 if (startColumn != other.startColumn) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1321 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1322 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1323 if (startLine != other.startLine) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1324 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1325 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1326 return true;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1327 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1328 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1329
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1330 private static final class LineLocationImpl implements LineLocation {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1331 private final Source source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1332 private final int line;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1333
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1334 public LineLocationImpl(Source source, int line) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1335 assert source != null;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1336 this.source = source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1337 this.line = line;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1338 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1339
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1340 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1341 public Source getSource() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1342 return source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1343 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1344
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1345 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1346 public int getLineNumber() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1347 return line;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1348 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1349
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1350 @Override
18485 e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18163 diff changeset	1351 public String getShortDescription() {
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18163 diff changeset	1352 return source.getShortName() + ":" + line;
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18163 diff changeset	1353 }
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18163 diff changeset	1354
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18163 diff changeset	1355 @Override
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1356 public String toString() {
18485 e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18163 diff changeset	1357 return "Line[" + getShortDescription() + "]";
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1358 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1359
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1360 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1361 public int hashCode() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1362 final int prime = 31;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1363 int result = 1;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1364 result = prime * result + line;
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	1365 result = prime * result + source.getHashKey().hashCode();
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1366 return result;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1367 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1368
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1369 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1370 public boolean equals(Object obj) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1371 if (this == obj) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1372 return true;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1373 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1374 if (obj == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1375 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1376 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1377 if (!(obj instanceof LineLocationImpl)) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1378 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1379 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1380 LineLocationImpl other = (LineLocationImpl) obj;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1381 if (line != other.line) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1382 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1383 }
21271 1516d26e8f2b Truffle/Source: add a new kind of Source (both indexed and non-indexed flavors) whose contents are unavailable at creation, but will be provided incrementally. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21270 diff changeset	1384 return source.getHashKey().equals(other.source.getHashKey());
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1385 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1386
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1387 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1388
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1389 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1390 * A utility for converting between coordinate systems in a string of text interspersed with
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1391 * newline characters. The coordinate systems are:
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1392 * <ul>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1393 * <li>0-based character offset from the beginning of the text, where newline characters count
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1394 * as a single character and the first character in the text occupies position 0.</li>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1395 * <li>1-based position in the 2D space of lines and columns, in which the first position in the
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1396 * text is at (1,1).</li>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1397 * </ul>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1398 * <p>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1399 * This utility is based on positions occupied by characters, not text stream positions as in a
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1400 * text editor. The distinction shows up in editors where you can put the cursor just past the
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1401 * last character in a buffer; this is necessary, among other reasons, so that you can put the
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1402 * edit cursor in a new (empty) buffer. For the purposes of this utility, however, there are no
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1403 * character positions in an empty text string and there are no lines in an empty text string.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1404 * <p>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1405 * A newline character designates the end of a line and occupies a column position.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1406 * <p>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1407 * If the text ends with a character other than a newline, then the characters following the
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1408 * final newline character count as a line, even though not newline-terminated.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1409 * <p>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1410 * <strong>Limitations:</strong>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1411 * <ul>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1412 * <li>Does not handle multiple character encodings correctly.</li>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1413 * <li>Treats tabs as occupying 1 column.</li>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1414 * <li>Does not handle multiple-character line termination sequences correctly.</li>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1415 * </ul>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1416 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1417 private static final class TextMap {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1418
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1419 // 0-based offsets of newline characters in the text, with sentinel
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1420 private final int[] nlOffsets;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1421
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1422 // The number of characters in the text, including newlines (which count as 1).
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1423 private final int textLength;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1424
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1425 // Is the final text character a newline?
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1426 final boolean finalNL;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1427
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1428 public TextMap(int[] nlOffsets, int textLength, boolean finalNL) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1429 this.nlOffsets = nlOffsets;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1430 this.textLength = textLength;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1431 this.finalNL = finalNL;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1432 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1433
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1434 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1435 * Constructs map permitting translation between 0-based character offsets and 1-based
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1436 * lines/columns.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1437 */
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1438 public static TextMap fromString(String text) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1439 final int textLength = text.length();
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1440 final ArrayList<Integer> lines = new ArrayList<>();
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1441 lines.add(0);
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1442 int offset = 0;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1443
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1444 while (offset < text.length()) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1445 final int nlIndex = text.indexOf('\n', offset);
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1446 if (nlIndex >= 0) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1447 offset = nlIndex + 1;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1448 lines.add(offset);
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1449 } else {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1450 break;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1451 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1452 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1453 lines.add(Integer.MAX_VALUE);
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1454
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1455 final int[] nlOffsets = new int[lines.size()];
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1456 for (int line = 0; line < lines.size(); line++) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1457 nlOffsets[line] = lines.get(line);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1458 }
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1459
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1460 final boolean finalNL = textLength > 0 && (textLength == nlOffsets[nlOffsets.length - 2]);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1461
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1462 return new TextMap(nlOffsets, textLength, finalNL);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1463 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1464
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1465 public static TextMap fromBytes(byte[] bytes, int byteIndex, int length, BytesDecoder bytesDecoder) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1466 final ArrayList<Integer> lines = new ArrayList<>();
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1467 lines.add(0);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1468
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1469 bytesDecoder.decodeLines(bytes, byteIndex, length, new BytesDecoder.LineMarker() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1470
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1471 public void markLine(int index) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1472 lines.add(index);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1473 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1474 });
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1475
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1476 lines.add(Integer.MAX_VALUE);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1477
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1478 final int[] nlOffsets = new int[lines.size()];
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1479 for (int line = 0; line < lines.size(); line++) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1480 nlOffsets[line] = lines.get(line);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1481 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1482
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1483 final boolean finalNL = length > 0 && (length == nlOffsets[nlOffsets.length - 2]);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1484
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1485 return new TextMap(nlOffsets, length, finalNL);
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1486 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1487
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1488 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1489 * Converts 0-based character offset to 1-based number of the line containing the character.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1490 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1491 * @throws IllegalArgumentException if the offset is outside the string.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1492 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1493 public int offsetToLine(int offset) throws IllegalArgumentException {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1494 if (offset < 0 \|\| offset >= textLength) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1495 throw new IllegalArgumentException("offset out of bounds");
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1496 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1497 int line = 1;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1498 while (offset >= nlOffsets[line]) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1499 line++;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1500 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1501 return line;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1502 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1503
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1504 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1505 * Converts 0-based character offset to 1-based number of the column occupied by the
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1506 * character.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1507 * <p>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1508 * Tabs are not expanded; they occupy 1 column.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1509 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1510 * @throws IllegalArgumentException if the offset is outside the string.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1511 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1512 public int offsetToCol(int offset) throws IllegalArgumentException {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1513 return 1 + offset - nlOffsets[offsetToLine(offset) - 1];
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1514 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1515
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1516 /**
19690 c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	1517 * The number of characters in the mapped text.
c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	1518 */
c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	1519 public int length() {
c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	1520 return textLength;
c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	1521 }
c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	1522
c152a485d747 Truffle: new method Source.getLength() and semantic adjustments to the new factory method for creating files whose contents have already been read. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 19688 diff changeset	1523 /**
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1524 * The number of lines in the text; if characters appear after the final newline, then they
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1525 * also count as a line, even though not newline-terminated.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1526 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1527 public int lineCount() {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1528 if (textLength == 0) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1529 return 0;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1530 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1531 return finalNL ? nlOffsets.length - 2 : nlOffsets.length - 1;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1532 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1533
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1534 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1535 * Converts 1-based line number to the 0-based offset of the line's first character; this
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1536 * would be the offset of a newline if the line is empty.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1537 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1538 * @throws IllegalArgumentException if there is no such line in the text.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1539 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1540 public int lineStartOffset(int line) throws IllegalArgumentException {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1541 if (textLength == 0 \|\| lineOutOfRange(line)) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1542 throw new IllegalArgumentException("line out of bounds");
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1543 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1544 return nlOffsets[line - 1];
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1545 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1546
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1547 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1548 * Gets the number of characters in a line, identified by 1-based line number;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1549 * <em>does not</em> include the final newline, if any.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1550 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1551 * @throws IllegalArgumentException if there is no such line in the text.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1552 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1553 public int lineLength(int line) throws IllegalArgumentException {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1554 if (textLength == 0 \|\| lineOutOfRange(line)) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1555 throw new IllegalArgumentException("line out of bounds");
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1556 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1557 if (line == nlOffsets.length - 1 && !finalNL) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1558 return textLength - nlOffsets[line - 1];
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1559 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1560 return (nlOffsets[line] - nlOffsets[line - 1]) - 1;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1561
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1562 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1563
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1564 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1565 * Is the line number out of range.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1566 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1567 private boolean lineOutOfRange(int line) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1568 return line <= 0 \|\| line >= nlOffsets.length \|\| (line == nlOffsets.length - 1 && finalNL);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1569 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1570
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1571 }
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1572
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1573 }

Mercurial > hg > truffle

annotate truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/source/Source.java @ 21972:ff6f34159b8a