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

annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/source/Source.java @ 18676:1c12cf39281d

Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key.

author	Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date	Sun, 14 Dec 2014 18:10:05 -0800
parents	f17b2a0303db
children	bdb24e259c11

rev	line source
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1 /*
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	4 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	7 * published by the Free Software Foundation. Oracle designates this
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	8 * particular file as subject to the "Classpath" exception as provided
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	9 * by Oracle in the LICENSE file that accompanied this code.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	10 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	11 * This code is distributed in the hope that it will be useful, but WITHOUT
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	14 * version 2 for more details (a copy is included in the LICENSE file that
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	15 * accompanied this code).
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	16 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	17 * You should have received a copy of the GNU General Public License version
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	18 * 2 along with this work; if not, write to the Free Software Foundation,
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	20 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	22 * or visit www.oracle.com if you need additional information or have any
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	23 * questions.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	24 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	25 package com.oracle.truffle.api.source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	26
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	27 import java.io.*;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	28 import java.lang.ref.*;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	29 import java.net.*;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	30 import java.util.*;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	31
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	32 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	33 * 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	34 * several ways:
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	35 * <ul>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	36 * <li><strong>Literal:</strong> A named text string. These are not indexed and should be considered
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	37 * 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	38 * 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	39 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	40 * <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	41 * 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	42 * optionally <em>cached</em>. <br>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	43 * See {@link Source#fromFileName(String)}<br>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	44 * See {@link Source#fromFileName(String, boolean)}</li>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	45 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	46 * <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	47 * URL. Contents are <em>read eagerly</em> and <em>cached</em>. <br>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	48 * See {@link Source#fromURL(URL, String)}</li>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	49 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	50 * <li><strong>Reader:</strong> Contents are <em>read eagerly</em> and treated as a <em>Literal</em>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	51 * . <br>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	52 * See {@link Source#fromReader(Reader, String)}</li>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	53 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	54 * <li><strong>Pseudo File:</strong> A literal text string that can be retrieved by name as if it
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	55 * were a file, unlike literal sources; useful for testing. <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	56 * See {@link Source#asPseudoFile(CharSequence, String)}</li>
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	57 * </ul>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	58 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	59 * <strong>File cache:</strong>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	60 * <ol>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	61 * <li>File content caching is optional, <em>off</em> by default.</li>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	62 * <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	63 * enabled) cached.</li>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	64 * <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	65 * {@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	66 * <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	67 * reload.</li>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	68 * </ol>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	69 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	70 public abstract class Source {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	71
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	72 // 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	73 // 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	74
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	75 // Files and pseudo files are indexed.
16989 19faa7ca37c1 Truffle/Source: use a synchronized hash table Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16140 diff changeset	76 private static final Map<String, WeakReference<Source>> filePathToSource = new Hashtable<>();
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	77
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	78 private static boolean fileCacheEnabled = true;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	79
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	80 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	81 * 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	82 * then cached.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	83 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	84 * @param fileName name
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	85 * @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	86 * @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	87 * @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	88 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	89 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	90
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	91 final WeakReference<Source> nameRef = filePathToSource.get(fileName);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	92 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	93 if (source == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	94 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	95 if (!file.canRead()) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	96 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	97 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	98 final String path = file.getCanonicalPath();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	99 final WeakReference<Source> pathRef = filePathToSource.get(path);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	100 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	101 if (source == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	102 source = new FileSource(file, fileName, path);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	103 filePathToSource.put(path, new WeakReference<>(source));
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 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	106 if (reset) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	107 source.reset();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	108 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	109 return source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	110 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	111
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	112 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	113 * 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	114 * then cached.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	115 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	116 * @param fileName name
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	117 * @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	118 * @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	119 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	120 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	121 return fromFileName(fileName, false);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	122 }
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 /**
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	125 * Creates a non-canonical source from literal text. If an already created literal source must
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	126 * be retrievable by name, use {@link #asPseudoFile(CharSequence, String)}.
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	127 *
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	128 * @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	129 * @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	130 * @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	131 */
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	132 public static Source fromText(CharSequence chars, String description) {
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	133 assert chars != null;
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	134 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	135 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	136
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	137 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	138 * 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	139 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	140 * @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	141 * @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	142 * @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	143 * @throws IOException if reading fails
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	144 */
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	145 public static Source fromURL(URL url, String description) throws IOException {
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	146 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	147 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	148
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	149 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	150 * 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	151 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	152 * @param reader
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	153 * @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	154 * @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	155 * @throws IOException if reading fails
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	156 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	157 public static Source fromReader(Reader reader, String description) throws IOException {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	158 return new LiteralSource(description, read(reader));
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	159 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	160
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	161 /**
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	162 * 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	163 * 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	164 * 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	165 *
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	166 * @param bytes the raw bytes of the source
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	167 * @param description a note about the origin, possibly useful for debugging
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	168 * @param decoder how to decode the bytes into Java strings
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	169 * @return a newly created, non-indexed source representation
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	170 */
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	171 public static Source fromBytes(byte[] bytes, String description, BytesDecoder decoder) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	172 return fromBytes(bytes, 0, bytes.length, description, decoder);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	173 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	174
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	175 /**
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	176 * 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	177 * 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	178 * 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	179 * relative to byteIndex.
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	180 *
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	181 * @param bytes the raw bytes of the source
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	182 * @param byteIndex where the string starts in the byte array
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	183 * @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	184 * @param description a note about the origin, possibly useful for debugging
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	185 * @param decoder how to decode the bytes into Java strings
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	186 * @return a newly created, non-indexed source representation
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	187 */
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	188 public static Source fromBytes(byte[] bytes, int byteIndex, int length, String description, BytesDecoder decoder) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	189 return new BytesSource(description, bytes, byteIndex, length, decoder);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	190 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	191
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	192 /**
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	193 * Creates a source from literal text, but which acts as a file and can be retrieved by name
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	194 * (unlike other literal sources); intended for testing.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	195 *
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	196 * @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	197 * @param pseudoFileName string to use for indexing/lookup
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	198 * @return a newly created, source representation, canonical with respect to its name
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	199 */
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	200 public static Source asPseudoFile(CharSequence chars, String pseudoFileName) {
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	201 final Source source = new LiteralSource(pseudoFileName, chars.toString());
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	202 filePathToSource.put(pseudoFileName, new WeakReference<>(source));
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	203 return source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	204 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	205
16989 19faa7ca37c1 Truffle/Source: use a synchronized hash table Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16140 diff changeset	206 // 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	207 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	208 * 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	209 * 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	210 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	211 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	212 fileCacheEnabled = enabled;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	213 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	214
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	215 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	216 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	217 final StringBuilder builder = new StringBuilder();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	218 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	219
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	220 while (true) {
18672 f17b2a0303db Truffle/Source: change signature of Source factory methods to take literal text as CharSequence instead of String. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18485 diff changeset	221 final int n = bufferedReader.read(buffer);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	222 if (n == -1) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	223 break;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	224 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	225 builder.append(buffer, 0, n);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	226 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	227
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	228 return builder.toString();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	229 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	230
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	231 Source() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	232 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	233
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	234 private TextMap textMap = null;
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	235
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	236 protected abstract void reset();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	237
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	238 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	239 * 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	240 * 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	241 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	242 * @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	243 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	244 public abstract String getName();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	245
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	246 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	247 * 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	248 * 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	249 * full path.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	250 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	251 * @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	252 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	253 public abstract String getShortName();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	254
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	255 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	256 * 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	257 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	258 public abstract String getPath();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	259
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	260 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	261 * The URL if the source is retrieved via URL.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	262 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	263 public abstract URL getURL();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	264
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	265 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	266 * Access to the source contents.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	267 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	268 public abstract Reader getReader();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	269
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	270 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	271 * Access to the source contents.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	272 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	273 public final InputStream getInputStream() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	274 return new ByteArrayInputStream(getCode().getBytes());
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	275 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	276
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	277 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	278 * Return the complete text of the code.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	279 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	280 public abstract String getCode();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	281
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	282 public String getCode(int charIndex, int charLength) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	283 return getCode().substring(charIndex, charIndex + charLength);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	284 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	285
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	286 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	287 * 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	288 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	289 public final String getCode(int lineNumber) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	290 checkTextMap();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	291 final int offset = textMap.lineStartOffset(lineNumber);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	292 final int length = textMap.lineLength(lineNumber);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	293 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	294 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	295
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 * 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	298 * 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	299 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	300 public final int getLineCount() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	301 return checkTextMap().lineCount();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	302 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	303
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	304 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	305 * 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	306 * position.
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	307 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	308 * @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	309 */
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	310 public final int getLineNumber(int offset) throws IllegalArgumentException {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	311 return checkTextMap().offsetToLine(offset);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	312 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	313
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	314 /**
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	315 * 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	316 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	317 * @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	318 */
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	319 public final int getColumnNumber(int offset) throws IllegalArgumentException {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	320 return checkTextMap().offsetToCol(offset);
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	321 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	322
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	323 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	324 * 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	325 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	326 * @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	327 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	328 public final int getLineStartOffset(int lineNumber) throws IllegalArgumentException {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	329 return checkTextMap().lineStartOffset(lineNumber);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	330 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	331
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	332 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	333 * 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	334 * numbered line.
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	335 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	336 * @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	337 */
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	338 public final int getLineLength(int lineNumber) throws IllegalArgumentException {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	339 return checkTextMap().lineLength(lineNumber);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	340 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	341
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	342 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	343 * 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	344 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	345 * 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	346 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	347 * 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	348 * {@link Source} representations are canonical.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	349 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	350 * @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	351 * @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	352 * @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	353 * @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	354 * @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	355 * @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	356 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	357 public final SourceSection createSection(String identifier, int startLine, int startColumn, int charIndex, int length) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	358 return new DefaultSourceSection(this, identifier, startLine, startColumn, charIndex, length);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	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 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	362 * Creates a representation of a contiguous region of text in the source. Computes the
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	363 * {@code charIndex} value by building a {@linkplain TextMap map} of lines in the source.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	364 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	365 * 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	366 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	367 * 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	368 * {@link Source} representations are canonical.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	369 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	370 * @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	371 * @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	372 * @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	373 * @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	374 * @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	375 * @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	376 * @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	377 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	378 public final SourceSection createSection(String identifier, int startLine, int startColumn, int length) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	379 checkTextMap();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	380 final int lineStartOffset = textMap.lineStartOffset(startLine);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	381 if (startColumn > textMap.lineLength(startLine)) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	382 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	383 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	384 final int startOffset = lineStartOffset + startColumn - 1;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	385 return new DefaultSourceSection(this, identifier, startLine, startColumn, startOffset, length);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	386 }
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 * Creates a representation of a contiguous region of text in the source. Computes the
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	390 * {@code (startLine, startColumn)} values by building a {@linkplain TextMap map} of lines in
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	391 * the source.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	392 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	393 * 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	394 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	395 * 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	396 * {@link Source} representations are canonical.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	397 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	398 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	399 * @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	400 * @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	401 * @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	402 * @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	403 * @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	404 * source
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	405 * @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	406 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	407 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	408 checkRange(charIndex, length);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	409 checkTextMap();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	410 final int startLine = getLineNumber(charIndex);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	411 final int startColumn = charIndex - getLineStartOffset(startLine) + 1;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	412
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	413 return new DefaultSourceSection(this, identifier, startLine, startColumn, charIndex, length);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	414 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	415
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	416 protected void checkRange(int charIndex, int length) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	417 if (!(charIndex >= 0 && length >= 0 && charIndex + length <= getCode().length())) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	418 throw new IllegalArgumentException("text positions out of range");
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	419 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	420 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	421
16068 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 * 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	424 * 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	425 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	426 * @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	427 * @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	428 * @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	429 * @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	430 * @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	431 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	432 public final SourceSection createSection(String identifier, int lineNumber) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	433 checkTextMap();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	434 final int charIndex = textMap.lineStartOffset(lineNumber);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	435 final int length = textMap.lineLength(lineNumber);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	436 return createSection(identifier, charIndex, length);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	437 }
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 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	440 * 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	441 * 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	442 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	443 * @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	444 * @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	445 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	446 public final LineLocation createLineLocation(int lineNumber) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	447 return new LineLocationImpl(this, lineNumber);
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
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	450 private TextMap checkTextMap() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	451 if (textMap == null) {
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	452 textMap = createTextMap();
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	453 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	454 return textMap;
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
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	457 protected TextMap createTextMap() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	458 final String code = getCode();
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	459 if (code == null) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	460 throw new RuntimeException("can't read file " + getName());
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	461 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	462 return TextMap.fromString(code);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	463 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	464
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	465 private static final class LiteralSource extends Source {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	466
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	467 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	468 private final String code;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	469
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	470 public LiteralSource(String name, String code) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	471 this.name = name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	472 this.code = code;
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 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	476 public String getName() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	477 return name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	478 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	479
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	480 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	481 public String getShortName() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	482 return name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	483 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	484
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	485 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	486 public String getCode() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	487 return code;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	488 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	489
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	490 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	491 public String getPath() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	492 return name;
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
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	495 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	496 public URL getURL() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	497 return null;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	498 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	499
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	500 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	501 public Reader getReader() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	502 return new StringReader(code);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	503 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	504
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	505 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	506 protected void reset() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	507 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	508
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	509 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	510 public int hashCode() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	511 final int prime = 31;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	512 int result = 1;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	513 result = prime * result + name.hashCode();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	514 result = prime * result + (code == null ? 0 : code.hashCode());
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	515 return result;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	516 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	517
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	518 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	519 public boolean equals(Object obj) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	520 if (this == obj) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	521 return true;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	522 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	523 if (obj == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	524 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	525 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	526 if (!(obj instanceof LiteralSource)) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	527 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	528 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	529 LiteralSource other = (LiteralSource) obj;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	530 return name.equals(other.name) && code.equals(other.code);
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 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	534
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	535 private static final class FileSource extends Source {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	536
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	537 private final File file;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	538 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	539 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	540
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	541 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	542 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	543
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	544 public FileSource(File file, String name, String path) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	545 this.file = file;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	546 this.name = name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	547 this.path = path;
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
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	550 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	551 public String getName() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	552 return name;
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
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	555 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	556 public String getShortName() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	557 return file.getName();
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
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	560 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	561 public String getCode() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	562 if (fileCacheEnabled) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	563 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	564 try {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	565 code = read(getReader());
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	566 timeStamp = file.lastModified();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	567 } catch (IOException e) {
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 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	570 return code;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	571 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	572 try {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	573 return read(new FileReader(file));
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	574 } catch (IOException e) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	575 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	576 return null;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	577 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	578
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	579 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	580 public String getPath() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	581 return path;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	582 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	583
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	584 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	585 public URL getURL() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	586 return null;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	587 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	588
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	589 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	590 public Reader getReader() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	591 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	592 return new StringReader(code);
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 try {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	595 return new FileReader(file);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	596 } catch (FileNotFoundException e) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	597 throw new RuntimeException("Can't find file " + path);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	598 }
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
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	601 @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	602 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	603 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	604 }
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	605
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	606 @Override
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	607 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	608 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	609 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	610 }
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	611 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	612 FileSource other = (FileSource) obj;
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	613 return path.equals(other.path);
1c12cf39281d Truffle/Source: redefine equality of FileSource objects strictly in terms of the canonicalized file path, for use as hash key. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18672 diff changeset	614 }
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	615 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	616 }
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	617
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	618 @Override
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	619 protected void reset() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	620 this.code = null;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	621 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	622
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	623 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	624
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	625 private static final class URLSource extends Source {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	626
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	627 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	628
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	629 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	630 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	631 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	632 if (source == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	633 source = new URLSource(url, name);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	634 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	635 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	636 return source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	637 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	638
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	639 private final URL url;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	640 private final String name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	641 private String code = null; // A cache of the source contents
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	642
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	643 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	644 this.url = url;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	645 this.name = name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	646 code = read(new InputStreamReader(url.openStream()));
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	647 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	648
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	649 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	650 public String getName() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	651 return name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	652 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	653
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	654 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	655 public String getShortName() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	656 return name;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	657 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	658
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	659 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	660 public String getPath() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	661 return url.getPath();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	662 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	663
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	664 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	665 public URL getURL() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	666 return url;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	667 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	668
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	669 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	670 public Reader getReader() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	671 return new StringReader(code);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	672 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	673
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	674 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	675 public String getCode() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	676 return code;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	677 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	678
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	679 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	680 protected void reset() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	681 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	682
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	683 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	684
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	685 private static final class BytesSource extends Source {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	686
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	687 private final String name;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	688 private final byte[] bytes;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	689 private final int byteIndex;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	690 private final int length;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	691 private final BytesDecoder decoder;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	692
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	693 public BytesSource(String name, byte[] bytes, int byteIndex, int length, BytesDecoder decoder) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	694 this.name = name;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	695 this.bytes = bytes;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	696 this.byteIndex = byteIndex;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	697 this.length = length;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	698 this.decoder = decoder;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	699 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	700
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	701 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	702 protected void reset() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	703 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	704
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	705 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	706 public String getName() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	707 return name;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	708 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	709
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	710 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	711 public String getShortName() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	712 return name;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	713 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	714
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	715 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	716 public String getPath() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	717 return name;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	718 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	719
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	720 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	721 public URL getURL() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	722 return null;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	723 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	724
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	725 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	726 public Reader getReader() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	727 return null;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	728 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	729
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	730 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	731 public String getCode() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	732 return decoder.decode(bytes, byteIndex, length);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	733 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	734
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	735 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	736 public String getCode(int byteOffset, int codeLength) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	737 return decoder.decode(bytes, byteIndex + byteOffset, codeLength);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	738 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	739
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	740 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	741 protected void checkRange(int charIndex, int rangeLength) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	742 if (!(charIndex >= 0 && rangeLength >= 0 && charIndex + rangeLength <= length)) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	743 throw new IllegalArgumentException("text positions out of range");
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	744 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	745 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	746
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	747 @Override
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	748 protected TextMap createTextMap() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	749 return TextMap.fromBytes(bytes, byteIndex, length, decoder);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	750 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	751 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	752
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	753 private static final class DefaultSourceSection implements SourceSection {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	754
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	755 private final Source source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	756 private final String identifier;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	757 private final int startLine;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	758 private final int startColumn;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	759 private final int charIndex;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	760 private final int charLength;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	761
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	762 /**
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	763 * Creates a new object representing a contiguous text section within the source code of a
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	764 * guest language program's text.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	765 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	766 * The starting location of the section is specified using two different coordinate:
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	767 * <ul>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	768 * <li><b>(row, column)</b>: rows and columns are 1-based, so the first character in a
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	769 * source file is at position {@code (1,1)}.</li>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	770 * <li><b>character index</b>: 0-based offset of the character from the beginning of the
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	771 * source, so the first character in a file is at index {@code 0}.</li>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	772 * </ul>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	773 * The <b>newline</b> that terminates each line counts as a single character for the purpose
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	774 * of a character index. The (row,column) coordinates of a newline character should never
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	775 * appear in a text section.
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	776 * <p>
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	777 *
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	778 * @param source object representing the complete source program that contains this section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	779 * @param identifier an identifier used when printing the section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	780 * @param startLine the 1-based number of the start line of the section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	781 * @param startColumn the 1-based number of the start column of the section
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	782 * @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	783 * @param charLength the length of the section in number of characters
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	784 */
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	785 public DefaultSourceSection(Source source, String identifier, int startLine, int startColumn, int charIndex, int charLength) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	786 this.source = source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	787 this.identifier = identifier;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	788 this.startLine = startLine;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	789 this.startColumn = startColumn;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	790 this.charIndex = charIndex;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	791 this.charLength = charLength;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	792 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	793
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	794 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	795 public Source getSource() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	796 return source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	797 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	798
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	799 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	800 public int getStartLine() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	801 return startLine;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	802 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	803
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	804 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	805 public LineLocation getLineLocation() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	806 return source.createLineLocation(startLine);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	807 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	808
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	809 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	810 public int getStartColumn() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	811 return startColumn;
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
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	814 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	815 public int getCharIndex() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	816 return charIndex;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	817 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	818
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	819 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	820 public int getCharLength() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	821 return charLength;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	822 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	823
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	824 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	825 public int getCharEndIndex() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	826 return charIndex + charLength;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	827 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	828
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	829 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	830 public String getIdentifier() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	831 return identifier;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	832 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	833
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	834 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	835 public String getCode() {
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	836 return getSource().getCode(charIndex, charLength);
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	837 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	838
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	839 @Override
18163 c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings Doug Simon <doug.simon@oracle.com> parents: 17066 diff changeset	840 public String getShortDescription() {
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	841 return String.format("%s:%d", source.getShortName(), startLine);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	842 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	843
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	844 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	845 public String toString() {
16140 7109baa7b9eb Truffle/Source: SourceSection.toString() is now equivalent to getCode() Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16130 diff changeset	846 return getCode();
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	847 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	848
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	849 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	850 public int hashCode() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	851 final int prime = 31;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	852 int result = 1;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	853 result = prime * result + charIndex;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	854 result = prime * result + charLength;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	855 result = prime * result + ((identifier == null) ? 0 : identifier.hashCode());
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	856 result = prime * result + ((source == null) ? 0 : source.hashCode());
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	857 result = prime * result + startColumn;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	858 result = prime * result + startLine;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	859 return result;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	860 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	861
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	862 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	863 public boolean equals(Object obj) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	864 if (this == obj) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	865 return true;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	866 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	867 if (obj == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	868 return false;
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 if (!(obj instanceof DefaultSourceSection)) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	871 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	872 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	873 DefaultSourceSection other = (DefaultSourceSection) obj;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	874 if (charIndex != other.charIndex) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	875 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	876 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	877 if (charLength != other.charLength) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	878 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	879 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	880 if (identifier == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	881 if (other.identifier != null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	882 return false;
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 } else if (!identifier.equals(other.identifier)) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	885 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	886 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	887 if (source == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	888 if (other.source != null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	889 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	890 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	891 } else if (!source.equals(other.source)) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	892 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	893 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	894 if (startColumn != other.startColumn) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	895 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	896 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	897 if (startLine != other.startLine) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	898 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	899 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	900 return true;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	901 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	902
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	903 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	904
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	905 private static final class LineLocationImpl implements LineLocation {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	906 private final Source source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	907 private final int line;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	908
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	909 public LineLocationImpl(Source source, int line) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	910 assert source != null;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	911 this.source = source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	912 this.line = line;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	913 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	914
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	915 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	916 public Source getSource() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	917 return source;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	918 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	919
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	920 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	921 public int getLineNumber() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	922 return line;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	923 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	924
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	925 @Override
18485 e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18163 diff changeset	926 public String getShortDescription() {
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18163 diff changeset	927 return source.getShortName() + ":" + line;
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18163 diff changeset	928 }
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18163 diff changeset	929
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18163 diff changeset	930 @Override
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	931 public String toString() {
18485 e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests. Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 18163 diff changeset	932 return "Line[" + getShortDescription() + "]";
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	933 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	934
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	935 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	936 public int hashCode() {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	937 final int prime = 31;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	938 int result = 1;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	939 result = prime * result + line;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	940 result = prime * result + source.hashCode();
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	941 return result;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	942 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	943
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	944 @Override
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	945 public boolean equals(Object obj) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	946 if (this == obj) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	947 return true;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	948 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	949 if (obj == null) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	950 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	951 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	952 if (!(obj instanceof LineLocationImpl)) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	953 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	954 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	955 LineLocationImpl other = (LineLocationImpl) obj;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	956 if (line != other.line) {
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	957 return false;
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	958 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	959 return source.equals(other.source);
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	960 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	961
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	962 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	963
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	964 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	965 * 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	966 * newline characters. The coordinate systems are:
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	967 * <ul>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	968 * <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	969 * 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	970 * <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	971 * text is at (1,1).</li>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	972 * </ul>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	973 * <p>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	974 * 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	975 * 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	976 * 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	977 * 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	978 * 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	979 * <p>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	980 * 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	981 * <p>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	982 * 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	983 * 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	984 * <p>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	985 * <strong>Limitations:</strong>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	986 * <ul>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	987 * <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	988 * <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	989 * <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	990 * </ul>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	991 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	992 private static final class TextMap {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	993
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	994 // 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	995 private final int[] nlOffsets;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	996
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	997 // 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	998 private final int textLength;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	999
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1000 // Is the final text character a newline?
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1001 final boolean finalNL;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1002
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1003 public TextMap(int[] nlOffsets, int textLength, boolean finalNL) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1004 this.nlOffsets = nlOffsets;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1005 this.textLength = textLength;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1006 this.finalNL = finalNL;
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1007 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1008
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1009 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1010 * 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	1011 * lines/columns.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1012 */
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1013 public static TextMap fromString(String text) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1014 final int textLength = text.length();
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1015 final ArrayList<Integer> lines = new ArrayList<>();
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1016 lines.add(0);
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1017 int offset = 0;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1018
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1019 while (offset < text.length()) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1020 final int nlIndex = text.indexOf('\n', offset);
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1021 if (nlIndex >= 0) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1022 offset = nlIndex + 1;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1023 lines.add(offset);
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1024 } else {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1025 break;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1026 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1027 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1028 lines.add(Integer.MAX_VALUE);
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1029
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1030 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	1031 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	1032 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	1033 }
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1034
17066 0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1035 final boolean finalNL = textLength > 0 && (textLength == nlOffsets[nlOffsets.length - 2]);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1036
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1037 return new TextMap(nlOffsets, textLength, finalNL);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1038 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1039
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1040 public static TextMap fromBytes(byte[] bytes, int byteIndex, int length, BytesDecoder bytesDecoder) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1041 final ArrayList<Integer> lines = new ArrayList<>();
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1042 lines.add(0);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1043
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1044 bytesDecoder.decodeLines(bytes, byteIndex, length, new BytesDecoder.LineMarker() {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1045
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1046 public void markLine(int index) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1047 lines.add(index);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1048 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1049 });
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1050
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1051 lines.add(Integer.MAX_VALUE);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1052
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1053 final int[] nlOffsets = new int[lines.size()];
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1054 for (int line = 0; line < lines.size(); line++) {
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1055 nlOffsets[line] = lines.get(line);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1056 }
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1057
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1058 final boolean finalNL = length > 0 && (length == nlOffsets[nlOffsets.length - 2]);
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1059
0bcefb0f8488 Truffle: byte[] sources. Chris Seaton <chris.seaton@oracle.com> parents: 16989 diff changeset	1060 return new TextMap(nlOffsets, length, finalNL);
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1061 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1062
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1063 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1064 * 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	1065 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1066 * @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	1067 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1068 public int offsetToLine(int offset) throws IllegalArgumentException {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1069 if (offset < 0 \|\| offset >= textLength) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1070 throw new IllegalArgumentException("offset out of bounds");
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1071 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1072 int line = 1;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1073 while (offset >= nlOffsets[line]) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1074 line++;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1075 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1076 return line;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1077 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1078
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1079 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1080 * 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	1081 * character.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1082 * <p>
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1083 * 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	1084 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1085 * @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	1086 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1087 public int offsetToCol(int offset) throws IllegalArgumentException {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1088 return 1 + offset - nlOffsets[offsetToLine(offset) - 1];
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1089 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1090
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1091 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1092 * 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	1093 * 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	1094 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1095 public int lineCount() {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1096 if (textLength == 0) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1097 return 0;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1098 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1099 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	1100 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1101
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1102 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1103 * 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	1104 * 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	1105 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1106 * @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	1107 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1108 public int lineStartOffset(int line) throws IllegalArgumentException {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1109 if (textLength == 0 \|\| lineOutOfRange(line)) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1110 throw new IllegalArgumentException("line out of bounds");
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1111 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1112 return nlOffsets[line - 1];
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1113 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1114
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1115 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1116 * 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	1117 * <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	1118 *
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1119 * @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	1120 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1121 public int lineLength(int line) throws IllegalArgumentException {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1122 if (textLength == 0 \|\| lineOutOfRange(line)) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1123 throw new IllegalArgumentException("line out of bounds");
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1124 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1125 if (line == nlOffsets.length - 1 && !finalNL) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1126 return textLength - nlOffsets[line - 1];
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1127 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1128 return (nlOffsets[line] - nlOffsets[line - 1]) - 1;
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1129
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1130 }
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1131
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1132 /**
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1133 * Is the line number out of range.
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1134 */
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1135 private boolean lineOutOfRange(int line) {
6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1136 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	1137 }
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1138
74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1139 }
16130 6f7d3f3703d3 Truffle/Source: Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: 16068 diff changeset	1140
16068 74e142bd2b12 Truffle/Source: major API revision Michael Van De Vanter <michael.van.de.vanter@oracle.com> parents: diff changeset	1141 }

Mercurial > hg > truffle

annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/source/Source.java @ 18676:1c12cf39281d