First commit

runtime-linux/antlr4-runtime/atn/LexerCustomAction.cpp

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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/MurmurHash.h"
+#include "support/CPPUtils.h"
+#include "Lexer.h"
+
+#include "atn/LexerCustomAction.h"
+
+using namespace antlr4;
+using namespace antlr4::atn;
+using namespace antlr4::misc;
+
+LexerCustomAction::LexerCustomAction(size_t ruleIndex, size_t actionIndex) : _ruleIndex(ruleIndex), _actionIndex(actionIndex) {
+}
+
+size_t LexerCustomAction::getRuleIndex() const {
+  return _ruleIndex;
+}
+
+size_t LexerCustomAction::getActionIndex() const {
+  return _actionIndex;
+}
+
+LexerActionType LexerCustomAction::getActionType() const {
+  return LexerActionType::CUSTOM;
+}
+
+bool LexerCustomAction::isPositionDependent() const {
+  return true;
+}
+
+void LexerCustomAction::execute(Lexer *lexer) {
+  lexer->action(nullptr, _ruleIndex, _actionIndex);
+}
+
+size_t LexerCustomAction::hashCode() const {
+  size_t hash = MurmurHash::initialize();
+  hash = MurmurHash::update(hash, static_cast<size_t>(getActionType()));
+  hash = MurmurHash::update(hash, _ruleIndex);
+  hash = MurmurHash::update(hash, _actionIndex);
+  return MurmurHash::finish(hash, 3);
+}
+
+bool LexerCustomAction::operator == (const LexerAction &obj) const {
+  if (&obj == this) {
+    return true;
+  }
+
+  const LexerCustomAction *action = dynamic_cast<const LexerCustomAction *>(&obj);
+  if (action == nullptr) {
+    return false;
+  }
+
+  return _ruleIndex == action->_ruleIndex && _actionIndex == action->_actionIndex;
+}
+
+std::string LexerCustomAction::toString() const {
+  return antlrcpp::toString(this);
+}