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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 "misc/IntervalSet.h"
#include "atn/RangeTransition.h"
using namespace antlr4;
using namespace antlr4::atn;
RangeTransition::RangeTransition(ATNState* target, size_t from, size_t to)
: Transition(target), from(from), to(to) {}
Transition::SerializationType RangeTransition::getSerializationType() const {
return RANGE;
}
misc::IntervalSet RangeTransition::label() const {
return misc::IntervalSet::of((int)from, (int)to);
}
bool RangeTransition::matches(size_t symbol, size_t /*minVocabSymbol*/,
size_t /*maxVocabSymbol*/) const {
return symbol >= from && symbol <= to;
}
std::string RangeTransition::toString() const {
return "RANGE " + Transition::toString() +
" { from: " + std::to_string(from) + ", to: " + std::to_string(to) +
" }";
}
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