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 @ 22105:7ee578004be7

Formating and lints

author	Jaroslav Tulach <jaroslav.tulach@oracle.com>
date	Mon, 24 Aug 2015 09:07:43 +0200
parents	cf19259edf87
children	dc83cc1f94f2 f47b601edbc6

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.*;
22093 0f0e34039769 Truffle/instrumentation: remove SourceTag machinery, not used so far. It will eventually be restored in the new API framework. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22046 diff changeset	30 import java.nio.*;
0f0e34039769 Truffle/instrumentation: remove SourceTag machinery, not used so far. It will eventually be restored in the new API framework. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22046 diff changeset	31 import java.nio.charset.*;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	32 import java.util.*;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	33
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	34 import com.oracle.truffle.api.*;
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	35 import com.oracle.truffle.api.TruffleLanguage.Registration;
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	36 import java.nio.file.Files;
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	37 import java.nio.file.spi.FileTypeDetector;
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	38 import java.util.logging.Level;
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	39 import java.util.logging.Logger;
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	40
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	41 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	42 * 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	43 * several ways:
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	44 * <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	45 * <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	46 * 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	47 * 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	48 * <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	49 * <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	50 * 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	51 * 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	52 * 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	53 * 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	54 * <p>
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	55 * <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	56 * 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	57 * optionally <em>cached</em>. <br>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	58 * 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	59 * 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	60 * 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	61 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	62 * <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	63 * 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	64 * 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	65 * 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	66 * <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	67 * <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	68 * (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	69 * 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	70 * <p>
21291 70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	71 * <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	72 * {@link Source}.<br>
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	73 * 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	74 * 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	75 * <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	76 * <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	77 * 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	78 * 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	79 * 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	80 * </ul>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	81 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	82 * <strong>File cache:</strong>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	83 * <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	84 * <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	85 * <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	86 * enabled) cached.</li>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	87 * <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	88 * {@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	89 * <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	90 * reload.</li>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	91 * </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	92 * <p>
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	93 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	94 public abstract class Source {
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	95 private static final Logger LOG = Logger.getLogger(Source.class.getName());
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	96
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	97 // 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	98 // 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	99
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	100 /**
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	101 * 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	102 */
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	103 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	104
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	105 private static boolean fileCacheEnabled = true;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	106
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	107 /**
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	108 * 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	109 */
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	110 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	111 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	112 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	113 }
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	114
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	115 /**
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	116 * 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	117 * then cached.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	118 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	119 * @param fileName name
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	120 * @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	121 * @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	122 * @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	123 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	124 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	125
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	126 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	127 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	128 if (source == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	129 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	130 if (!file.canRead()) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	131 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	132 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	133 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	134 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	135 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	136 if (source == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	137 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	138 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	139 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	140 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	141 if (reset) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	142 source.reset();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	143 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	144 return source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	145 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	146
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	147 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	148 * 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	149 * then cached.
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 * @param fileName name
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	152 * @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	153 * @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	154 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	155 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	156 return fromFileName(fileName, false);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	157 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	158
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	159 /**
22102 04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	160 * Gets the canonical representation of a source file whose contents are the responsibility of
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	161 * the client:
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	162 * <ul>
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	163 * <li>If no Source exists corresponding to the provided file name, then a new Source is created
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	164 * whose contents are those provided. It is confirmed that the file resolves to a file name, so
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	165 * it can be indexed by canonical path. However there is no confirmation that the text supplied
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	166 * agrees with the file's contents or even whether the file is readable.</li>
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	167 * <li>If a Source exists corresponding to the provided file name, and that Source was created
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	168 * originally by this method, then that Source will be returned after replacement of its
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	169 * contents with no further confirmation.</li>
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	170 * <li>If a Source exists corresponding to the provided file name, and that Source was not
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	171 * created originally by this method, then an exception will be raised.</li>
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	172 * </ul>
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	173 *
22102 04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	174 * @param chars textual source code already read from the file, must not be null
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	175 * @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	176 * @return canonical representation of the file's contents.
22102 04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	177 * @throws IOException if the file cannot be found, or if an existing Source not created by this
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	178 * method matches the file name
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	179 */
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	180 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	181 CompilerAsserts.neverPartOfCompilation();
22102 04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	182 assert chars != null;
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	183
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	184 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	185 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	186 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	187 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	188 // 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	189 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	190 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	191 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	192 if (source == null) {
22102 04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	193 source = new ClientManagedFileSource(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	194 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	195 }
22102 04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	196 } else if (source instanceof ClientManagedFileSource) {
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	197 final ClientManagedFileSource modifiableSource = (ClientManagedFileSource) source;
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	198 modifiableSource.setCode(chars);
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	199 return modifiableSource;
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	200 } else {
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	201 throw new IOException("Attempt to modify contents of a file 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	202 }
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	203 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	204 }
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	205
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	206 /**
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	207 * 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	208 *
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	209 * @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	210 * @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	211 * @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	212 */
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	213 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	214 CompilerAsserts.neverPartOfCompilation();
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	215 assert chars != null;
22093 0f0e34039769 Truffle/instrumentation: remove SourceTag machinery, not used so far. It will eventually be restored in the new API framework. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22046 diff changeset	216 return new LiteralSource(description, chars.toString());
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	217 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	218
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	219 /**
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	220 * 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	221 * 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	222 *
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	223 * @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	224 * @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	225 */
21291 70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	226 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	227 CompilerAsserts.neverPartOfCompilation();
22093 0f0e34039769 Truffle/instrumentation: remove SourceTag machinery, not used so far. It will eventually be restored in the new API framework. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22046 diff changeset	228 return 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	229 }
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	230
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	231 /**
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 * 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	233 * 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	234 * 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	235 *
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	236 * @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	237 * @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	238 * @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	239 */
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 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	241 CompilerAsserts.neverPartOfCompilation();
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	242 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	243 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	244 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	245 }
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	246
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	247 /**
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	248 * 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	249 * 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	250 * 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	251 * 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	252 *
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	253 * @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	254 * @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	255 */
21291 70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	256 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	257 CompilerAsserts.neverPartOfCompilation();
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	258 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	259 nameToSource.put(name, new WeakReference<>(source));
21291 70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	260 return source;
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	261 }
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	262
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	263 /**
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	264 * 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	265 * an existing {@link Source}.
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	266 *
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	267 * @param base an existing Source instance
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	268 * @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	269 * @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	270 * @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	271 * @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	272 */
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	273 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	274 CompilerAsserts.neverPartOfCompilation();
21291 70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	275 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	276 return subSource;
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	277 }
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	278
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	279 /**
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	280 * 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	281 * the end of an existing {@link Source}.
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	282 *
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	283 * @param base an existing Source instance
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	284 * @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	285 * @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	286 * @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	287 */
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	288 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	289 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	290
21291 70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	291 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	292 }
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 /**
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	295 * 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	296 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	297 * @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	298 * @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	299 * @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	300 * @throws IOException if reading fails
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	301 */
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	302 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	303 CompilerAsserts.neverPartOfCompilation();
22093 0f0e34039769 Truffle/instrumentation: remove SourceTag machinery, not used so far. It will eventually be restored in the new API framework. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22046 diff changeset	304 return URLSource.get(url, description);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	305 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	306
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	307 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	308 * 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	309 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	310 * @param reader
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	311 * @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	312 * @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	313 * @throws IOException if reading fails
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	314 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	315 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	316 CompilerAsserts.neverPartOfCompilation();
22093 0f0e34039769 Truffle/instrumentation: remove SourceTag machinery, not used so far. It will eventually be restored in the new API framework. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22046 diff changeset	317 return new LiteralSource(description, read(reader));
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	318 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	319
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	320 /**
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	321 * 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	322 * 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	323 * 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	324 *
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	325 * @param bytes the raw bytes of the source
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	326 * @param description a note about the origin, possibly useful for debugging
21987 b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	327 * @param charset how to decode the bytes into Java strings
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	328 * @return a newly created, non-indexed source representation
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	329 */
21987 b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	330 public static Source fromBytes(byte[] bytes, String description, Charset charset) {
b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	331 return fromBytes(bytes, 0, bytes.length, description, charset);
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	332 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	333
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	334 /**
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	335 * 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	336 * 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	337 * 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	338 * relative to byteIndex.
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	339 *
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	340 * @param bytes the raw bytes of the source
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	341 * @param byteIndex where the string starts in the byte array
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	342 * @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	343 * @param description a note about the origin, possibly useful for debugging
21987 b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	344 * @param charset how to decode the bytes into Java strings
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	345 * @return a newly created, non-indexed source representation
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	346 */
21987 b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	347 public static Source fromBytes(byte[] bytes, int byteIndex, int length, String description, Charset charset) {
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	348 CompilerAsserts.neverPartOfCompilation();
22093 0f0e34039769 Truffle/instrumentation: remove SourceTag machinery, not used so far. It will eventually be restored in the new API framework. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22046 diff changeset	349 return new BytesSource(description, bytes, byteIndex, length, charset);
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	350 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	351
16989 19faa7ca37c1 Truffle/Source: use a synchronized hash table Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16140 diff changeset	352 // 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	353 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	354 * 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	355 * 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	356 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	357 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	358 fileCacheEnabled = enabled;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	359 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	360
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	361 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	362 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	363 final StringBuilder builder = new StringBuilder();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	364 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	365
21989 72010b401152 Truffle/Source: close the Reader when finished. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21987 diff changeset	366 try {
72010b401152 Truffle/Source: close the Reader when finished. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21987 diff changeset	367 while (true) {
72010b401152 Truffle/Source: close the Reader when finished. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21987 diff changeset	368 final int n = bufferedReader.read(buffer);
72010b401152 Truffle/Source: close the Reader when finished. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21987 diff changeset	369 if (n == -1) {
72010b401152 Truffle/Source: close the Reader when finished. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21987 diff changeset	370 break;
72010b401152 Truffle/Source: close the Reader when finished. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21987 diff changeset	371 }
72010b401152 Truffle/Source: close the Reader when finished. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21987 diff changeset	372 builder.append(buffer, 0, n);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	373 }
21989 72010b401152 Truffle/Source: close the Reader when finished. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21987 diff changeset	374 } finally {
72010b401152 Truffle/Source: close the Reader when finished. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21987 diff changeset	375 bufferedReader.close();
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	376 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	377 return builder.toString();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	378 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	379
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	380 private Source() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	381 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	382
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	383 private String mimeType;
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	384 private TextMap textMap;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	385
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	386 abstract void reset();
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	387
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	388 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	389 * 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	390 * 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	391 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	392 * @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	393 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	394 public abstract String getName();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	395
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	396 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	397 * 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	398 * 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	399 * full path.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	400 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	401 * @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	402 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	403 public abstract String getShortName();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	404
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	405 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	406 * 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	407 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	408 public abstract String getPath();
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 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	411 * The URL if the source is retrieved via URL.
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	412 *
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	413 * @return URL or <code>null</code>
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	414 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	415 public abstract URL getURL();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	416
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	417 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	418 * Access to the source contents.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	419 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	420 public abstract Reader getReader();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	421
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	422 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	423 * Access to the source contents.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	424 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	425 public final InputStream getInputStream() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	426 return new ByteArrayInputStream(getCode().getBytes());
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	427 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	428
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	429 /**
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	430 * 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	431 */
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	432 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	433 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	434 }
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	435
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	436 /**
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	437 * 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	438 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	439 public abstract String getCode();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	440
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	441 /**
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	442 * 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	443 */
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	444 public String getCode(int charIndex, int charLength) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	445 return getCode().substring(charIndex, charIndex + charLength);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	446 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	447
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	448 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	449 * 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	450 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	451 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	452 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	453 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	454 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	455 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	456
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	457 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	458 * 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	459 * 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	460 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	461 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	462 return getTextMap().lineCount();
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	463 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	464
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	465 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	466 * 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	467 * position.
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	468 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	469 * @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	470 */
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	471 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	472 return getTextMap().offsetToLine(offset);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	473 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	474
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	475 /**
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	476 * 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	477 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	478 * @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	479 */
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	480 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	481 return getTextMap().offsetToCol(offset);
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	482 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	483
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	484 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	485 * 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	486 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	487 * @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	488 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	489 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	490 return getTextMap().lineStartOffset(lineNumber);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	491 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	492
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	493 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	494 * 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	495 * numbered line.
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	496 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	497 * @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	498 */
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	499 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	500 return getTextMap().lineLength(lineNumber);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	501 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	502
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	503 /**
21291 70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	504 * 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	505 *
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	506 * @param chars the text to append
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	507 * @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	508 */
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	509 public void appendCode(CharSequence chars) {
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	510 throw new UnsupportedOperationException();
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	511 }
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	512
70bbc530a2d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 21271 diff changeset	513 /**
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	514 * 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	515 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	516 * 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	517 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	518 * 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	519 * {@link Source} representations are canonical.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	520 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	521 * @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	522 * @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	523 * @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	524 * @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	525 * @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	526 * @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	527 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	528 public final SourceSection createSection(String identifier, int startLine, int startColumn, int charIndex, int length) {
21987 b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	529 return new SourceSection(null, this, identifier, startLine, startColumn, charIndex, length);
16068 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 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	533 * 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	534 * {@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	535 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	536 * 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	537 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	538 * 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	539 * {@link Source} representations are canonical.
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 * @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	542 * @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	543 * @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	544 * @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	545 * @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	546 * @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	547 * @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	548 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	549 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	550 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	551 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	552 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	553 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	554 final int startOffset = lineStartOffset + startColumn - 1;
21987 b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	555 return new SourceSection(null, this, identifier, startLine, startColumn, startOffset, length);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	556 }
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 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	559 * 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	560 * {@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	561 * source.
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	562 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	563 * 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	564 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	565 * 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	566 * {@link Source} representations are canonical.
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 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	569 * @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	570 * @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	571 * @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	572 * @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	573 * @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	574 * source
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	575 * @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	576 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	577 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	578 checkRange(charIndex, length);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	579 final int startLine = getLineNumber(charIndex);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	580 final int startColumn = charIndex - getLineStartOffset(startLine) + 1;
21987 b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	581 return new SourceSection(null, this, identifier, startLine, startColumn, charIndex, length);
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
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	584 void checkRange(int charIndex, int length) {
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	585 if (!(charIndex >= 0 && length >= 0 && charIndex + length <= getCode().length())) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	586 throw new IllegalArgumentException("text positions out of range");
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	587 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	588 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	589
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	590 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	591 * 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	592 * 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	593 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	594 * @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	595 * @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	596 * @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	597 * @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	598 * @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	599 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	600 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	601 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	602 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	603 return createSection(identifier, charIndex, length);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	604 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	605
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	606 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	607 * 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	608 * 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	609 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	610 * @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	611 * @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	612 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	613 public final LineLocation createLineLocation(int lineNumber) {
21987 b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	614 return new LineLocation(this, lineNumber);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	615 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	616
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	617 /**
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	618 * 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	619 * 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	620 */
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	621 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	622 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	623 }
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	624
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	625 final TextMap getTextMap() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	626 if (textMap == null) {
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	627 textMap = createTextMap();
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	628 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	629 return textMap;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	630 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	631
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	632 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	633 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	634 }
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	635
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	636 TextMap createTextMap() {
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	637 final String code = getCode();
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	638 if (code == null) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	639 throw new RuntimeException("can't read file " + getName());
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	640 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	641 return TextMap.fromString(code);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	642 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	643
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	644 /**
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	645 * Associates the source with specified MIME type. The mime type may be used to select the right
22105 7ee578004be7 Formating and lints Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22104 diff changeset	646 * {@link Registration Truffle language} to use to execute the returned source. The value of
7ee578004be7 Formating and lints Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22104 diff changeset	647 * MIME type can be obtained via {@link #getMimeType()} method.
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	648 *
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	649 * @param mime mime type to use
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	650 * @return new (identical) source, just associated {@link #getMimeType()}
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	651 */
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	652 public final Source withMimeType(String mime) {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	653 try {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	654 Source another = (Source) clone();
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	655 another.mimeType = mime;
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	656 return another;
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	657 } catch (CloneNotSupportedException ex) {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	658 throw new IllegalStateException(ex);
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	659 }
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	660 }
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	661
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	662 /**
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	663 * MIME type that is associated with this source. By default file extensions known to the system
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	664 * are used to determine the MIME type (via registered {@link FileTypeDetector} classes), yet
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	665 * one can directly {@link #withMimeType(java.lang.String) provide a MIME type} to each source.
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	666 *
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	667 * @return MIME type of this source or <code>null</code>, if unknown
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	668 */
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	669 public String getMimeType() {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	670 if (mimeType == null) {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	671 mimeType = findMimeType();
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	672 }
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	673 return mimeType;
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	674 }
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	675
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	676 String findMimeType() {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	677 return null;
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	678 }
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	679
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	680 final boolean equalMime(Source other) {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	681 if (mimeType == null) {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	682 return other.mimeType == null;
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	683 }
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	684 return mimeType.equals(other.mimeType);
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	685 }
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	686
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	687 private static final class LiteralSource extends Source implements Cloneable {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	688
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	689 private final String description;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	690 private final String code;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	691
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	692 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	693 this.description = description;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	694 this.code = code;
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
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	697 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	698 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	699 return description;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	700 }
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 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	703 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	704 return description;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	705 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	706
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	707 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	708 public String getCode() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	709 return code;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	710 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	711
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	712 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	713 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	714 return description;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	715 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	716
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	717 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	718 public URL getURL() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	719 return null;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	720 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	721
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	722 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	723 public Reader getReader() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	724 return new StringReader(code);
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
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	727 @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	728 void reset() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	729 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	730
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	731 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	732 public int hashCode() {
22046 e7c2d36daf72 TruffleLanguage.parse method to convert a source to CallTarget. Basic caching to make sure the code is shared among tenants in one JVM. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22036 diff changeset	733 return description.hashCode() * code.hashCode();
16068 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
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	736 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	737 public boolean equals(Object obj) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	738 if (this == obj) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	739 return true;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	740 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	741 if (obj == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	742 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	743 }
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	744 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	745 LiteralSource other = (LiteralSource) obj;
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	746 return description.equals(other.description) && code.equals(other.code) && equalMime(other);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	747 }
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	748 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	749 }
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	750 }
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	751
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	752 private static final class AppendableLiteralSource extends Source implements Cloneable {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	753 private final String 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	754 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	755
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	756 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	757 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	758 }
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	759
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	760 @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	761 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	762 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	763 }
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	764
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 @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	766 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	767 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	768 }
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
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	770 @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	771 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	772 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	773 }
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	774
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 @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	776 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	777 return description;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	778 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	779
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 @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	781 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	782 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	783 }
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	784
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	785 @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	786 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	787 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	788 }
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	789
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 @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	791 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	792 }
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	793
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	794 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	795 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	796 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	797 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	798 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	799 }
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	800 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	801 }
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	802
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	803 @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	804 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	805 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	806 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	807 }
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	808
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	809 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	810
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	811 private static final class FileSource extends Source implements Cloneable {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	812
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	813 private final File file;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	814 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	815 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	816
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	817 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	818 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	819
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	820 public FileSource(File file, String name, String path) {
18980 ae0eb836e6f4 store absolute file in FileSource Lukas Stadler <lukas.stadler@oracle.com> parents: 18979 diff changeset	821 this.file = file.getAbsoluteFile();
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	822 this.name = name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	823 this.path = path;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	824 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	825
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	826 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	827 public String getName() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	828 return name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	829 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	830
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	831 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	832 public String getShortName() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	833 return file.getName();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	834 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	835
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	836 @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	837 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	838 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	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
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	842 public String getCode() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	843 if (fileCacheEnabled) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	844 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	845 try {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	846 code = read(getReader());
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	847 timeStamp = file.lastModified();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	848 } catch (IOException e) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	849 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	850 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	851 return code;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	852 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	853 try {
22098 0556c0056d71 read files in UTF-8 encoding Christian Wirth <christian.wirth@oracle.com> parents: 22093 diff changeset	854 return read(new InputStreamReader(new FileInputStream(file), "UTF-8"));
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	855 } catch (IOException e) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	856 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	857 return null;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	858 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	859
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	860 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	861 public String getPath() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	862 return path;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	863 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	864
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	865 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	866 public URL getURL() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	867 return null;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	868 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	869
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	870 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	871 public Reader getReader() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	872 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	873 return new StringReader(code);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	874 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	875 try {
22098 0556c0056d71 read files in UTF-8 encoding Christian Wirth <christian.wirth@oracle.com> parents: 22093 diff changeset	876 return new InputStreamReader(new FileInputStream(file), "UTF-8");
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	877 } catch (FileNotFoundException e) {
18979 bdb24e259c11 include original exception in FileSource.getReader Lukas Stadler <lukas.stadler@oracle.com> parents: 18676 diff changeset	878
bdb24e259c11 include original exception in FileSource.getReader Lukas Stadler <lukas.stadler@oracle.com> parents: 18676 diff changeset	879 throw new RuntimeException("Can't find file " + path, e);
22098 0556c0056d71 read files in UTF-8 encoding Christian Wirth <christian.wirth@oracle.com> parents: 22093 diff changeset	880 } catch (UnsupportedEncodingException e) {
0556c0056d71 read files in UTF-8 encoding Christian Wirth <christian.wirth@oracle.com> parents: 22093 diff changeset	881 throw new RuntimeException("Unsupported encoding in file " + path, e);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	882 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	883 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	884
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	885 @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	886 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	887 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	888 }
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	889
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	890 @Override
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	891 String findMimeType() {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	892 if (file.getName().endsWith(".c")) {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	893 return "text/x-c";
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	894 } else if (file.getName().endsWith(".R") \|\| file.getName().endsWith(".r")) {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	895 return "application/x-r";
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	896 } else {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	897 try {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	898 return Files.probeContentType(file.toPath());
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	899 } catch (IOException ex) {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	900 LOG.log(Level.SEVERE, null, ex);
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	901 }
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	902 }
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	903 return null;
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	904 }
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	905
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	906 @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	907 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	908 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	909 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	910 }
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	911 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	912 FileSource other = (FileSource) obj;
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	913 return path.equals(other.path) && equalMime(other);
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	914 }
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	915 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	916 }
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	917
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	918 @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	919 void reset() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	920 this.code = null;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	921 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	922 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	923
22102 04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	924 // TODO (mlvdv) if we keep this, hoist a superclass in common with FileSource.
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	925 private static final class ClientManagedFileSource extends Source implements Cloneable {
22102 04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	926
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	927 private final File file;
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	928 private final String name; // Name used originally to describe the source
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	929 private final String path; // Normalized path description of an actual file
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	930 private String code; // The file's contents, as provided by the client
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	931
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	932 public ClientManagedFileSource(File file, String name, String path, CharSequence chars) {
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	933 this.file = file.getAbsoluteFile();
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	934 this.name = name;
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	935 this.path = path;
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	936 setCode(chars);
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	937 }
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	938
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	939 void setCode(CharSequence chars) {
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	940 this.code = chars.toString();
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	941 }
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	942
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	943 @Override
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	944 public String getName() {
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	945 return name;
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	946 }
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	947
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	948 @Override
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	949 public String getShortName() {
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	950 return file.getName();
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	951 }
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	952
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	953 @Override
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	954 Object getHashKey() {
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	955 return path;
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	956 }
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	957
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	958 @Override
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	959 public String getCode() {
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	960 return code;
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	961 }
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	962
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	963 @Override
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	964 public String getPath() {
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	965 return path;
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	966 }
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	967
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	968 @Override
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	969 public URL getURL() {
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	970 return null;
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	971 }
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	972
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	973 @Override
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	974 public Reader getReader() {
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	975 return new StringReader(code);
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	976 }
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	977
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	978 @Override
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	979 String findMimeType() {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	980 if (file.getName().endsWith(".c")) {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	981 return "text/x-c";
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	982 } else if (file.getName().endsWith(".R") \|\| file.getName().endsWith(".r")) {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	983 return "application/x-r";
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	984 } else {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	985 try {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	986 return Files.probeContentType(file.toPath());
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	987 } catch (IOException ex) {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	988 LOG.log(Level.SEVERE, null, ex);
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	989 }
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	990 }
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	991 return null;
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	992 }
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	993
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	994 @Override
22102 04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	995 public int hashCode() {
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	996 return path.hashCode();
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	997 }
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	998
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	999 @Override
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	1000 public boolean equals(Object obj) {
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	1001 if (this == obj) {
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	1002 return true;
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	1003 }
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	1004 if (obj instanceof ClientManagedFileSource) {
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	1005 ClientManagedFileSource other = (ClientManagedFileSource) obj;
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	1006 return path.equals(other.path) && equalMime(other);
22102 04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	1007 }
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	1008 return false;
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	1009 }
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	1010
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	1011 @Override
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	1012 void reset() {
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	1013 this.code = null;
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	1014 }
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	1015 }
04b13488da2a Truffle/Source: modify behavior of factory Source.fromFileName((CharSequence, String). If a Source already exists with this file name, and it was created with this method originally, then the original Source will be returned with contents replaced. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 22098 diff changeset	1016
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	1017 private static final class URLSource extends Source implements Cloneable {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1018
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1019 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	1020
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1021 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	1022 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	1023 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	1024 if (source == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1025 source = new URLSource(url, name);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1026 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	1027 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1028 return source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1029 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1030
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1031 private final URL url;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1032 private final String name;
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	1033 private String code; // A cache of the source contents
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1034
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1035 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	1036 this.url = url;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1037 this.name = name;
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	1038 URLConnection c = url.openConnection();
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	1039 if (super.mimeType == null) {
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	1040 super.mimeType = c.getContentType();
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	1041 }
cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	1042 code = read(new InputStreamReader(c.getInputStream()));
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1043 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1044
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1045 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1046 public String getName() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1047 return name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1048 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1049
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1050 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1051 public String getShortName() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1052 return name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1053 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1054
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1055 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1056 public String getPath() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1057 return url.getPath();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1058 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1059
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1060 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1061 public URL getURL() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1062 return url;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1063 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1064
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1065 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1066 public Reader getReader() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1067 return new StringReader(code);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1068 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1069
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1070 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1071 public String getCode() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1072 return code;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1073 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1074
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1075 @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	1076 void reset() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1077 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1078 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1079
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	1080 private static final class SubSource extends Source implements Cloneable {
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	1081 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	1082 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	1083 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	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 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	1086 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	1087 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	1088 }
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 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	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
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 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	1093 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	1094 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	1095 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	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
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 @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	1099 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	1100 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	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
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	1103 @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	1104 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	1105 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	1106 }
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	1107
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	1108 @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	1109 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	1110 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	1111 }
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	1112
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	1113 @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	1114 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	1115 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	1116 }
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	1117
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	1118 @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	1119 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	1120 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	1121 }
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	1122
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	1123 @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	1124 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	1125 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	1126 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	1127 }
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	1128
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	1129 @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	1130 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	1131 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	1132 }
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	1133 }
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	1134
22104 cf19259edf87 TruffleVM.eval and Source.withMimeType Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 22102 diff changeset	1135 private static final class BytesSource extends Source implements Cloneable {
17066 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 private final String name;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1138 private final byte[] bytes;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1139 private final int byteIndex;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1140 private final int length;
21987 b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1141 private final CharsetDecoder decoder;
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1142
21987 b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1143 public BytesSource(String name, byte[] bytes, int byteIndex, int length, Charset decoder) {
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1144 this.name = name;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1145 this.bytes = bytes;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1146 this.byteIndex = byteIndex;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1147 this.length = length;
21987 b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1148 this.decoder = decoder.newDecoder();
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1149 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1150
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1151 @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	1152 void reset() {
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1153 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1154
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1155 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1156 public String getName() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1157 return name;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1158 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1159
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1160 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1161 public String getShortName() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1162 return name;
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
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1166 public String getPath() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1167 return name;
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 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1171 public URL getURL() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1172 return null;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1173 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1174
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1175 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1176 public Reader getReader() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1177 return null;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1178 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1179
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1180 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1181 public String getCode() {
21987 b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1182 ByteBuffer bb = ByteBuffer.wrap(bytes, byteIndex, length);
b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1183 CharBuffer chb;
b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1184 try {
b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1185 chb = decoder.decode(bb);
b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1186 } catch (CharacterCodingException ex) {
b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1187 return "";
b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1188 }
b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1189 return chb.toString();
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1190 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1191
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1192 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1193 public String getCode(int byteOffset, int codeLength) {
21987 b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1194 ByteBuffer bb = ByteBuffer.wrap(bytes, byteIndex + byteOffset, codeLength);
b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1195 CharBuffer chb;
b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1196 try {
b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1197 chb = decoder.decode(bb);
b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1198 } catch (CharacterCodingException ex) {
b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1199 return "";
b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1200 }
b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1201 return chb.toString();
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1202 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1203
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1204 @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	1205 void checkRange(int charIndex, int rangeLength) {
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1206 if (!(charIndex >= 0 && rangeLength >= 0 && charIndex + rangeLength <= length)) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1207 throw new IllegalArgumentException("text positions out of range");
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1208 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1209 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1210
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1211 @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	1212 TextMap createTextMap() {
21987 b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder. Jaroslav Tulach <jaroslav.tulach@oracle.com> parents: 21972 diff changeset	1213 return TextMap.fromString(getCode());
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1214 }
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1215 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1216
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1217 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1218 * 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	1219 * newline characters. The coordinate systems are:
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1220 * <ul>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1221 * <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	1222 * 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	1223 * <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	1224 * text is at (1,1).</li>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1225 * </ul>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1226 * <p>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1227 * 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	1228 * 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	1229 * 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	1230 * 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	1231 * 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	1232 * <p>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1233 * 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	1234 * <p>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1235 * 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	1236 * 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	1237 * <p>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1238 * <strong>Limitations:</strong>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1239 * <ul>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1240 * <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	1241 * <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	1242 * <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	1243 * </ul>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1244 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1245 private static final class TextMap {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1246
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1247 // 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	1248 private final int[] nlOffsets;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1249
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1250 // 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	1251 private final int textLength;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1252
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1253 // Is the final text character a newline?
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1254 final boolean finalNL;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1255
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1256 public TextMap(int[] nlOffsets, int textLength, boolean finalNL) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1257 this.nlOffsets = nlOffsets;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1258 this.textLength = textLength;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1259 this.finalNL = finalNL;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1260 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1261
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1262 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1263 * 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	1264 * lines/columns.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1265 */
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1266 public static TextMap fromString(String text) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1267 final int textLength = text.length();
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1268 final ArrayList<Integer> lines = new ArrayList<>();
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1269 lines.add(0);
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1270 int offset = 0;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1271
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1272 while (offset < text.length()) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1273 final int nlIndex = text.indexOf('\n', offset);
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1274 if (nlIndex >= 0) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1275 offset = nlIndex + 1;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1276 lines.add(offset);
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1277 } else {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1278 break;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1279 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1280 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1281 lines.add(Integer.MAX_VALUE);
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1282
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1283 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	1284 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	1285 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	1286 }
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1287
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1288 final boolean finalNL = textLength > 0 && (textLength == nlOffsets[nlOffsets.length - 2]);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1289
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1290 return new TextMap(nlOffsets, textLength, finalNL);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1291 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1292
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1293 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1294 * 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	1295 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1296 * @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	1297 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1298 public int offsetToLine(int offset) throws IllegalArgumentException {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1299 if (offset < 0 \|\| offset >= textLength) {
22036 f26b6524e5e0 fixes for empty sources Mick Jordan <mick.jordan@oracle.com> parents: 21989 diff changeset	1300 if (offset == 0 && textLength == 0) {
f26b6524e5e0 fixes for empty sources Mick Jordan <mick.jordan@oracle.com> parents: 21989 diff changeset	1301 return 1;
f26b6524e5e0 fixes for empty sources Mick Jordan <mick.jordan@oracle.com> parents: 21989 diff changeset	1302 }
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1303 throw new IllegalArgumentException("offset out of bounds");
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1304 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1305 int line = 1;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1306 while (offset >= nlOffsets[line]) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1307 line++;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1308 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1309 return line;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1310 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1311
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1312 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1313 * 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	1314 * character.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1315 * <p>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1316 * 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	1317 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1318 * @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	1319 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1320 public int offsetToCol(int offset) throws IllegalArgumentException {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1321 return 1 + offset - nlOffsets[offsetToLine(offset) - 1];
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1322 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1323
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1324 /**
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	1325 * 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	1326 */
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	1327 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	1328 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	1329 }
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	1330
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	1331 /**
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1332 * 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	1333 * 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	1334 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1335 public int lineCount() {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1336 if (textLength == 0) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1337 return 0;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1338 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1339 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	1340 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1341
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1342 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1343 * 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	1344 * 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	1345 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1346 * @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	1347 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1348 public int lineStartOffset(int line) throws IllegalArgumentException {
22036 f26b6524e5e0 fixes for empty sources Mick Jordan <mick.jordan@oracle.com> parents: 21989 diff changeset	1349 if (textLength == 0) {
f26b6524e5e0 fixes for empty sources Mick Jordan <mick.jordan@oracle.com> parents: 21989 diff changeset	1350 return 0;
f26b6524e5e0 fixes for empty sources Mick Jordan <mick.jordan@oracle.com> parents: 21989 diff changeset	1351 }
f26b6524e5e0 fixes for empty sources Mick Jordan <mick.jordan@oracle.com> parents: 21989 diff changeset	1352 if (lineOutOfRange(line)) {
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1353 throw new IllegalArgumentException("line out of bounds");
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1354 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1355 return nlOffsets[line - 1];
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1356 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1357
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1358 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1359 * 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	1360 * <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	1361 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1362 * @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	1363 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1364 public int lineLength(int line) throws IllegalArgumentException {
22036 f26b6524e5e0 fixes for empty sources Mick Jordan <mick.jordan@oracle.com> parents: 21989 diff changeset	1365 if (textLength == 0) {
f26b6524e5e0 fixes for empty sources Mick Jordan <mick.jordan@oracle.com> parents: 21989 diff changeset	1366 return 0;
f26b6524e5e0 fixes for empty sources Mick Jordan <mick.jordan@oracle.com> parents: 21989 diff changeset	1367 }
f26b6524e5e0 fixes for empty sources Mick Jordan <mick.jordan@oracle.com> parents: 21989 diff changeset	1368 if (lineOutOfRange(line)) {
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1369 throw new IllegalArgumentException("line out of bounds");
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1370 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1371 if (line == nlOffsets.length - 1 && !finalNL) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1372 return textLength - nlOffsets[line - 1];
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1373 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1374 return (nlOffsets[line] - nlOffsets[line - 1]) - 1;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1375
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1376 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1377
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1378 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1379 * Is the line number out of range.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1380 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1381 private boolean lineOutOfRange(int line) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1382 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	1383 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1384
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1385 }
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1386
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1387 }

Mercurial > hg > truffle

annotate truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/source/Source.java @ 22105:7ee578004be7