35 lines
1.3 KiB
C++
35 lines
1.3 KiB
C++
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/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
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* Use of this file is governed by the BSD 3-clause license that
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* can be found in the LICENSE.txt file in the project root.
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*/
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#include "atn/PredicateTransition.h"
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using namespace antlr4::atn;
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PredicateTransition::PredicateTransition(ATNState *target, size_t ruleIndex, size_t predIndex, bool isCtxDependent) : AbstractPredicateTransition(target), ruleIndex(ruleIndex), predIndex(predIndex), isCtxDependent(isCtxDependent) {
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}
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Transition::SerializationType PredicateTransition::getSerializationType() const {
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return PREDICATE;
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}
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bool PredicateTransition::isEpsilon() const {
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return true;
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}
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bool PredicateTransition::matches(size_t /*symbol*/, size_t /*minVocabSymbol*/, size_t /*maxVocabSymbol*/) const {
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return false;
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}
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Ref<SemanticContext::Predicate> PredicateTransition::getPredicate() const {
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return std::make_shared<SemanticContext::Predicate>(ruleIndex, predIndex, isCtxDependent);
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}
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std::string PredicateTransition::toString() const {
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return "PREDICATE " + Transition::toString() + " { ruleIndex: " + std::to_string(ruleIndex) +
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", predIndex: " + std::to_string(predIndex) + ", isCtxDependent: " + std::to_string(isCtxDependent) + " }";
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// Generate and add a predicate context here?
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}
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