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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 "atn/Transition.h"
#include "atn/SemanticContext.h"
namespace antlr4 {
namespace atn {
class ANTLR4CPP_PUBLIC PrecedencePredicateTransition final : public Transition {
public:
static bool is(const Transition &transition) { return transition.getTransitionType() == TransitionType::PRECEDENCE; }
static bool is(const Transition *transition) { return transition != nullptr && is(*transition); }
PrecedencePredicateTransition(ATNState *target, int precedence);
int getPrecedence() const { return _predicate->precedence; }
bool isEpsilon() const override;
bool matches(size_t symbol, size_t minVocabSymbol, size_t maxVocabSymbol) const override;
std::string toString() const override;
const Ref<const SemanticContext::PrecedencePredicate>& getPredicate() const { return _predicate; }
private:
const std::shared_ptr<const SemanticContext::PrecedencePredicate> _predicate;
};
} // namespace atn
} // namespace antlr4
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