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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/atn/LexerChannelAction.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.atn; import org.antlr.v4.runtime.Lexer; import org.antlr.v4.runtime.Token; import org.antlr.v4.runtime.misc.MurmurHash; /** * Implements the {@code channel} lexer action by calling * {@link Lexer#setChannel} with the assigned channel. * * @author Sam Harwell * @since 4.2 */ public final class LexerChannelAction implements LexerAction { private final int channel; /** * Constructs a new {@code channel} action with the specified channel value. * @param channel The channel value to pass to {@link Lexer#setChannel}. */ public LexerChannelAction(int channel) { this.channel = channel; } /** * Gets the channel to use for the {@link Token} created by the lexer. * * @return The channel to use for the {@link Token} created by the lexer. */ public int getChannel() { return channel; } /** * {@inheritDoc} * @return This method returns {@link LexerActionType#CHANNEL}. */ @Override public LexerActionType getActionType() { return LexerActionType.CHANNEL; } /** * {@inheritDoc} * @return This method returns {@code false}. */ @Override public boolean isPositionDependent() { return false; } /** * {@inheritDoc} * * <p>This action is implemented by calling {@link Lexer#setChannel} with the * value provided by {@link #getChannel}.</p> */ @Override public void execute(Lexer lexer) { lexer.setChannel(channel); } @Override public int hashCode() { int hash = MurmurHash.initialize(); hash = MurmurHash.update(hash, getActionType().ordinal()); hash = MurmurHash.update(hash, channel); return MurmurHash.finish(hash, 2); } @Override public boolean equals(Object obj) { if (obj == this) { return true; } else if (!(obj instanceof LexerChannelAction)) { return false; } return channel == ((LexerChannelAction)obj).channel; } @Override public String toString() { return String.format("channel(%d)", channel); } }
⏎ org/antlr/v4/runtime/atn/LexerChannelAction.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, 30986👍, 0💬
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