diff options
Diffstat (limited to 'antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/LexerSkipAction.cpp')
| -rw-r--r-- | antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/LexerSkipAction.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/LexerSkipAction.cpp b/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/LexerSkipAction.cpp new file mode 100644 index 0000000..01947ce --- /dev/null +++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/LexerSkipAction.cpp @@ -0,0 +1,47 @@ +/* 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 "atn/LexerSkipAction.h" + +using namespace antlr4; +using namespace antlr4::atn; +using namespace antlr4::misc; + +const Ref<LexerSkipAction> LexerSkipAction::getInstance() { + static Ref<LexerSkipAction> instance(new LexerSkipAction()); + return instance; +} + +LexerSkipAction::LexerSkipAction() { +} + +LexerActionType LexerSkipAction::getActionType() const { + return LexerActionType::SKIP; +} + +bool LexerSkipAction::isPositionDependent() const { + return false; +} + +void LexerSkipAction::execute(Lexer *lexer) { + lexer->skip(); +} + +size_t LexerSkipAction::hashCode() const { + size_t hash = MurmurHash::initialize(); + hash = MurmurHash::update(hash, static_cast<size_t>(getActionType())); + return MurmurHash::finish(hash, 1); +} + +bool LexerSkipAction::operator == (const LexerAction &obj) const { + return &obj == this; +} + +std::string LexerSkipAction::toString() const { + return "skip"; +} |
