1 files changed, 79 insertions, 0 deletions
diff --git a/src/core/expression/RBAVariable.cpp b/src/core/expression/RBAVariable.cpp
new file mode 100644
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+++ b/src/core/expression/RBAVariable.cpp
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+/**
+ * Copyright (c) 2019 DENSO CORPORATION.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Variable class defintion
+ */
+
+#include "RBAVariable.hpp"
+#include "RBAModelElementType.hpp"
+
+namespace rba
+{
+
+RBAVariable::RBAVariable(const std::string& name)
+  : RBARuleObject{name}
+{
+}
+
+RBAModelElementType
+RBAVariable::getModelElementType() const
+{
+  return RBAModelElementType::Variable;
+}
+
+const RBARuleObject*
+RBAVariable::getRuleObj() const
+{
+  return ruleObj_;
+}
+
+void
+RBAVariable::setRuleObj(const RBARuleObject* const ruleObj)
+{
+  ruleObj_ = ruleObj;
+}
+
+void
+RBAVariable::clearRuleObj()
+{
+  ruleObj_ = nullptr;
+}
+
+RBAConstraintInfo*
+RBAVariable::createConstraintInfo()
+{
+  // When the "Let" expression is written in a lambda expression such as 
+  // "For-All", the expansion result of the "Let" expression also changes 
+  // each time the variable of "For-All" changes. Even if the Let expression 
+  // is written in "For-All", there is only one valiable object.
+  // Therefore, "constraintInfo" cannot be cleared and reused, and it is 
+  // necessary to do "make_shared" each time the "Let" expression is evaluated.
+  // The ownership of the "ConstraintInfo" of the "Let" expression is 
+  // transferred to the "ConstraintInfo" of the "RBAObjectReference" 
+  // when the RBAObjectReference that refers to the definition of the Let 
+  // expression is evaluated.
+  constraintInfo_ = std::make_shared<RBAConstraintInfo>();
+  return constraintInfo_.get();
+}
+
+std::shared_ptr<RBAConstraintInfo>
+RBAVariable::getConstraintInfo() const
+{
+  return constraintInfo_;
+}
+
+}