X-Git-Url: https://gitweb.ps.run/toc/blobdiff_plain/9f94b672a5dc32da5ad01742bd4e976315a30d9c..c6ad2948bb98d42f8e0883ef82cd14cd2d5eda60:/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/RangeTransition.cpp diff --git a/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/RangeTransition.cpp b/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/RangeTransition.cpp new file mode 100644 index 0000000..58d668c --- /dev/null +++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/RangeTransition.cpp @@ -0,0 +1,30 @@ +/* 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) + " }"; +}