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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/AttributeResolver.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; import org.antlr.v4.tool.ast.ActionAST; /** Grammars, rules, and alternatives all have symbols visible to * actions. To evaluate attr exprs, ask action for its resolver * then ask resolver to look up various symbols. Depending on the context, * some symbols are available at some aren't. * * Alternative level: * * $x Attribute: rule arguments, return values, predefined rule prop. * AttributeDict: references to tokens and token labels in the * current alt (including any elements within subrules contained * in that outermost alt). x can be rule with scope or a global scope. * List label: x is a token/rule list label. * $x.y Attribute: x is surrounding rule, rule/token/label ref * $s::y Attribute: s is any rule with scope or global scope; y is prop within * * Rule level: * * $x Attribute: rule arguments, return values, predefined rule prop. * AttributeDict: references to token labels in *any* alt. x can * be any rule with scope or global scope. * List label: x is a token/rule list label. * $x.y Attribute: x is surrounding rule, label ref (in any alts) * $s::y Attribute: s is any rule with scope or global scope; y is prop within * * Grammar level: * * $s AttributeDict: s is a global scope * $s::y Attribute: s is a global scope; y is prop within */ public interface AttributeResolver { public boolean resolvesToListLabel(String x, ActionAST node); public boolean resolvesToLabel(String x, ActionAST node); public boolean resolvesToAttributeDict(String x, ActionAST node); public boolean resolvesToToken(String x, ActionAST node); public Attribute resolveToAttribute(String x, ActionAST node); public Attribute resolveToAttribute(String x, String y, ActionAST node); }
⏎ org/antlr/v4/tool/AttributeResolver.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, 26808👍, 0💬
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