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ANTLR Tool Source Code
ANTLR is a powerful parser generator for multiple programming languages including Java.
ANTLR contains 2 major modules:
ANTLR Tool 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/tool/ast/RuleAST.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.tool.ast; import org.antlr.runtime.Token; import org.antlr.runtime.tree.Tree; import org.antlr.v4.parse.ANTLRParser; import org.antlr.v4.tool.Grammar; public class RuleAST extends GrammarASTWithOptions { public RuleAST(RuleAST node) { super(node); } public RuleAST(Token t) { super(t); } public RuleAST(int type) { super(type); } public boolean isLexerRule() { String name = getRuleName(); return name!=null && Grammar.isTokenName(name); } public String getRuleName() { GrammarAST nameNode = (GrammarAST)getChild(0); if ( nameNode!=null ) return nameNode.getText(); return null; } @Override public RuleAST dupNode() { return new RuleAST(this); } public ActionAST getLexerAction() { Tree blk = getFirstChildWithType(ANTLRParser.BLOCK); if ( blk.getChildCount()==1 ) { Tree onlyAlt = blk.getChild(0); Tree lastChild = onlyAlt.getChild(onlyAlt.getChildCount()-1); if ( lastChild.getType()==ANTLRParser.ACTION ) { return (ActionAST)lastChild; } } return null; } @Override public Object visit(GrammarASTVisitor v) { return v.visit(this); } }
⏎ org/antlr/v4/tool/ast/RuleAST.java
Or download all of them as a single archive file:
File name: antlr-tool-4.10.1-sources.jar File size: 347718 bytes Release date: 2022-04-15 Download
2022-04-24, 26797👍, 0💬
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