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ANTLR Runtime Source Code
ANTLR is a powerful parser generator for multiple programming languages including Java.
ANTLR contains 2 major modules:
ANTLR Runtime Source Code files are provided in the distribution packge (antlr4-4.10.1.zip). You can download them at ANTLR Website.
You can also browse the source code below:
✍: FYIcenter
⏎ org/antlr/v4/runtime/TokenStream.java
/* * Copyright (c) 2012-2017 The ANTLR Project. All rights reserved. * Use of this file is governed by the BSD 3-clause license that * can be found in the LICENSE.txt file in the project root. */ package org.antlr.v4.runtime; import org.antlr.v4.runtime.misc.Interval; /** * An {@link IntStream} whose symbols are {@link Token} instances. */ public interface TokenStream extends IntStream { /** * Get the {@link Token} instance associated with the value returned by * {@link #LA LA(k)}. This method has the same pre- and post-conditions as * {@link IntStream#LA}. In addition, when the preconditions of this method * are met, the return value is non-null and the value of * {@code LT(k).getType()==LA(k)}. * * @see IntStream#LA */ public Token LT(int k); /** * Gets the {@link Token} at the specified {@code index} in the stream. When * the preconditions of this method are met, the return value is non-null. * * <p>The preconditions for this method are the same as the preconditions of * {@link IntStream#seek}. If the behavior of {@code seek(index)} is * unspecified for the current state and given {@code index}, then the * behavior of this method is also unspecified.</p> * * <p>The symbol referred to by {@code index} differs from {@code seek()} only * in the case of filtering streams where {@code index} lies before the end * of the stream. Unlike {@code seek()}, this method does not adjust * {@code index} to point to a non-ignored symbol.</p> * * @throws IllegalArgumentException if {code index} is less than 0 * @throws UnsupportedOperationException if the stream does not support * retrieving the token at the specified index */ public Token get(int index); /** * Gets the underlying {@link TokenSource} which provides tokens for this * stream. */ public TokenSource getTokenSource(); /** * Return the text of all tokens within the specified {@code interval}. This * method behaves like the following code (including potential exceptions * for violating preconditions of {@link #get}, but may be optimized by the * specific implementation. * * <pre> * TokenStream stream = ...; * String text = ""; * for (int i = interval.a; i <= interval.b; i++) { * text += stream.get(i).getText(); * } * </pre> * * @param interval The interval of tokens within this stream to get text * for. * @return The text of all tokens within the specified interval in this * stream. * * @throws NullPointerException if {@code interval} is {@code null} */ public String getText(Interval interval); /** * Return the text of all tokens in the stream. This method behaves like the * following code, including potential exceptions from the calls to * {@link IntStream#size} and {@link #getText(Interval)}, but may be * optimized by the specific implementation. * * <pre> * TokenStream stream = ...; * String text = stream.getText(new Interval(0, stream.size())); * </pre> * * @return The text of all tokens in the stream. */ public String getText(); /** * Return the text of all tokens in the source interval of the specified * context. This method behaves like the following code, including potential * exceptions from the call to {@link #getText(Interval)}, but may be * optimized by the specific implementation. * * <p>If {@code ctx.getSourceInterval()} does not return a valid interval of * tokens provided by this stream, the behavior is unspecified.</p> * * <pre> * TokenStream stream = ...; * String text = stream.getText(ctx.getSourceInterval()); * </pre> * * @param ctx The context providing the source interval of tokens to get * text for. * @return The text of all tokens within the source interval of {@code ctx}. */ public String getText(RuleContext ctx); /** * Return the text of all tokens in this stream between {@code start} and * {@code stop} (inclusive). * * <p>If the specified {@code start} or {@code stop} token was not provided by * this stream, or if the {@code stop} occurred before the {@code start} * token, the behavior is unspecified.</p> * * <p>For streams which ensure that the {@link Token#getTokenIndex} method is * accurate for all of its provided tokens, this method behaves like the * following code. Other streams may implement this method in other ways * provided the behavior is consistent with this at a high level.</p> * * <pre> * TokenStream stream = ...; * String text = ""; * for (int i = start.getTokenIndex(); i <= stop.getTokenIndex(); i++) { * text += stream.get(i).getText(); * } * </pre> * * @param start The first token in the interval to get text for. * @param stop The last token in the interval to get text for (inclusive). * @return The text of all tokens lying between the specified {@code start} * and {@code stop} tokens. * * @throws UnsupportedOperationException if this stream does not support * this method for the specified tokens */ public String getText(Token start, Token stop); }
⏎ org/antlr/v4/runtime/TokenStream.java
Or download all of them as a single archive file:
File name: antlr-runtime-4.10.1-sources.jar File size: 308953 bytes Release date: 2022-04-15 Download
⇐ What Is ANTLR Parser Generator
2018-10-21, 30964👍, 0💬
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