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/* 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.
*/
#pragma once
#include "RecognitionException.h"
namespace antlr4 {
/// 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.
class ANTLR4CPP_PUBLIC FailedPredicateException : public RecognitionException {
public:
explicit FailedPredicateException(Parser *recognizer);
FailedPredicateException(Parser *recognizer, const std::string &predicate);
FailedPredicateException(Parser *recognizer, const std::string &predicate, const std::string &message);
virtual size_t getRuleIndex();
virtual size_t getPredIndex();
virtual std::string getPredicate();
private:
size_t _ruleIndex;
size_t _predicateIndex;
std::string _predicate;
};
} // namespace antlr4
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