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PredicateTransition.cpp
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PredicateTransition.cpp
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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.
*/
#include "atn/PredicateTransition.h"
using namespace antlr4::atn;
PredicateTransition::PredicateTransition(ATNState *target, size_t ruleIndex, size_t predIndex, bool isCtxDependent) : AbstractPredicateTransition(target), ruleIndex(ruleIndex), predIndex(predIndex), isCtxDependent(isCtxDependent) {
}
Transition::SerializationType PredicateTransition::getSerializationType() const {
return PREDICATE;
}
bool PredicateTransition::isEpsilon() const {
return true;
}
bool PredicateTransition::matches(size_t /*symbol*/, size_t /*minVocabSymbol*/, size_t /*maxVocabSymbol*/) const {
return false;
}
Ref<SemanticContext::Predicate> PredicateTransition::getPredicate() const {
return std::make_shared<SemanticContext::Predicate>(ruleIndex, predIndex, isCtxDependent);
}
std::string PredicateTransition::toString() const {
return "PREDICATE " + Transition::toString() + " { ruleIndex: " + std::to_string(ruleIndex) +
", predIndex: " + std::to_string(predIndex) + ", isCtxDependent: " + std::to_string(isCtxDependent) + " }";
// Generate and add a predicate context here?
}