/* 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/MurmurHash.h" #include "Lexer.h" #include "support/Casts.h" #include "atn/LexerModeAction.h" using namespace antlr4; using namespace antlr4::atn; using namespace antlr4::misc; using namespace antlrcpp; LexerModeAction::LexerModeAction(int mode) : LexerAction(LexerActionType::MODE, false), _mode(mode) {} void LexerModeAction::execute(Lexer *lexer) const { lexer->setMode(getMode()); } size_t LexerModeAction::hashCodeImpl() const { size_t hash = MurmurHash::initialize(); hash = MurmurHash::update(hash, static_cast(getActionType())); hash = MurmurHash::update(hash, getMode()); return MurmurHash::finish(hash, 2); } bool LexerModeAction::equals(const LexerAction &other) const { if (this == std::addressof(other)) { return true; } if (getActionType() != other.getActionType()) { return false; } const auto &lexerAction = downCast(other); return getMode() == lexerAction.getMode(); } std::string LexerModeAction::toString() const { return "mode(" + std::to_string(getMode()) + ")"; }