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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"
namespace antlr4 {
namespace atn {
/// TODO: make all transitions sets? no, should remove set edges.
class ANTLR4CPP_PUBLIC AtomTransition final : public Transition {
public:
static bool is(const Transition &transition) { return transition.getTransitionType() == TransitionType::ATOM; }
static bool is(const Transition *transition) { return transition != nullptr && is(*transition); }
/// The token type or character value; or, signifies special label.
/// TODO: rename this to label
const size_t _label;
AtomTransition(ATNState *target, size_t label);
virtual misc::IntervalSet label() const override;
virtual bool matches(size_t symbol, size_t minVocabSymbol, size_t maxVocabSymbol) const override;
virtual std::string toString() const override;
};
} // namespace atn
} // namespace antlr4
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