ANTLR Runtime Source Code

ANTLR is a powerful parser generator for multiple programming languages including Java.

ANTLR contains 2 major modules:

  • Runtime - For building and executing parsers/lexers generated in Java.
  • Tool (The Parser Generator) - For generating parsers/lexers Java class.

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/tree/TerminalNodeImpl.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.tree;

import org.antlr.v4.runtime.Parser;
import org.antlr.v4.runtime.RuleContext;
import org.antlr.v4.runtime.Token;
import org.antlr.v4.runtime.misc.Interval;

public class TerminalNodeImpl implements TerminalNode {
	public Token symbol;
	public ParseTree parent;

	public TerminalNodeImpl(Token symbol) {	this.symbol = symbol;	}

	@Override
	public ParseTree getChild(int i) {return null;}

	@Override
	public Token getSymbol() {return symbol;}

	@Override
	public ParseTree getParent() { return parent; }

	@Override
	public void setParent(RuleContext parent) {
		this.parent = parent;
	}

	@Override
	public Token getPayload() { return symbol; }

	@Override
	public Interval getSourceInterval() {
		if ( symbol ==null ) return Interval.INVALID;

		int tokenIndex = symbol.getTokenIndex();
		return new Interval(tokenIndex, tokenIndex);
	}

	@Override
	public int getChildCount() { return 0; }

	@Override
	public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
		return visitor.visitTerminal(this);
	}

	@Override
	public String getText() { return symbol.getText(); }

	@Override
	public String toStringTree(Parser parser) {
		return toString();
	}

	@Override
	public String toString() {
			if ( symbol.getType() == Token.EOF ) return "<EOF>";
			return symbol.getText();
	}

	@Override
	public String toStringTree() {
		return toString();
	}
}

org/antlr/v4/runtime/tree/TerminalNodeImpl.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 

 

ANTLR Tool Source Code

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2018-10-21, 30983👍, 0💬