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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/FailedPredicateException.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.atn.ATNState; import org.antlr.v4.runtime.atn.AbstractPredicateTransition; import org.antlr.v4.runtime.atn.PredicateTransition; import java.util.Locale; /** A semantic predicate failed during validation. Validation of predicates * occurs when normally parsing the alternative just like matching a token. * Disambiguating predicate evaluation occurs when we test a predicate during * prediction. */ public class FailedPredicateException extends RecognitionException { private final int ruleIndex; private final int predicateIndex; private final String predicate; public FailedPredicateException(Parser recognizer) { this(recognizer, null); } public FailedPredicateException(Parser recognizer, String predicate) { this(recognizer, predicate, null); } public FailedPredicateException(Parser recognizer, String predicate, String message) { super(formatMessage(predicate, message), recognizer, recognizer.getInputStream(), recognizer._ctx); ATNState s = recognizer.getInterpreter().atn.states.get(recognizer.getState()); AbstractPredicateTransition trans = (AbstractPredicateTransition)s.transition(0); if (trans instanceof PredicateTransition) { this.ruleIndex = ((PredicateTransition)trans).ruleIndex; this.predicateIndex = ((PredicateTransition)trans).predIndex; } else { this.ruleIndex = 0; this.predicateIndex = 0; } this.predicate = predicate; this.setOffendingToken(recognizer.getCurrentToken()); } public int getRuleIndex() { return ruleIndex; } public int getPredIndex() { return predicateIndex; } public String getPredicate() { return predicate; } private static String formatMessage(String predicate, String message) { if (message != null) { return message; } return String.format(Locale.getDefault(), "failed predicate: {%s}?", predicate); } }
⏎ org/antlr/v4/runtime/FailedPredicateException.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, 31791👍, 0💬
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