1 files changed, 107 insertions, 0 deletions
diff --git a/src/core/expression/RBAStateValue.cpp b/src/core/expression/RBAStateValue.cpp
new file mode 100644
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--- /dev/null
+++ b/src/core/expression/RBAStateValue.cpp
@@ -0,0 +1,107 @@
+/**
+ * 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.
+ */
+
+ /// StateValue class denition
+
+#include <string>
+#include "RBAStateValue.hpp"
+#include "RBAArbitrator.hpp"
+#include "RBAConstraintInfo.hpp"
+#include "RBAContent.hpp"
+#include "RBAContentState.hpp"
+#include "RBAExpressionVisitor.hpp"
+#include "RBALogManager.hpp"
+#include "RBAModelElementType.hpp"
+
+namespace rba
+{
+
+void RBAStateValue::accept(RBAExpressionVisitor& visitor)
+{
+  // RBASceneAllocatableCollector which is the only existing vistor
+  // does not pass this path because it does not accept 
+  // the expression that returns Value.　But, in the future,
+  // another visitor may accept, so implement this.
+  visitor.visit(*this);
+}
+
+RBAModelElementType
+RBAStateValue::getModelElementType() const
+{
+  return RBAModelElementType::StateValue;
+}
+
+std::int32_t
+RBAStateValue::getValueCore(RBAConstraintInfo* info, RBAArbitrator* arb) const
+{
+  std::int32_t result { -99 };
+  const auto leftInfo = info->getChild(0U);
+  const auto r = getLhsOperand()->getReferenceObject(leftInfo, arb);
+  const RBAContent* c { nullptr };
+  const RBAContentState* cs { nullptr };
+  if (leftInfo->isExceptionBeforeArbitrate()) {
+    info->setExceptionBeforeArbitrate(true);
+  } else {
+    if (r != nullptr) {
+      c = dynamic_cast<const RBAContent*>(r->getRawObject());
+      if (c != nullptr) {
+        if (r->isPrevious()) {
+          cs = arb->getResult()->getPreActiveState(c);
+        } else {
+          cs = arb->getResult()->getActiveState(c);
+        }
+        if (cs != nullptr) {
+          result = cs->getContentStatePriority();
+        }
+      }
+    }
+  }
+#ifdef RBA_USE_LOG
+  std::string pre;
+  std::string cName { "NULL" };
+  std::string resultText{ "no Content skip" };
+  if (r != nullptr) {
+    cName = r->getElementName();
+    pre = getPreMsg(r->isPrevious());
+  }
+  if (info->isExceptionBeforeArbitrate()) {
+    resultText = "before arbitrate skip";
+  } else {
+    if (cs != nullptr) {
+      resultText = cs->getElementName() + " : " + std::to_string(result);
+    }
+  }
+  LOG_arbitrateConstraintLogicLogLine(
+      "      "
+      + pre
+      + "Content["
+      + cName
+      + "] state value ["
+      + resultText
+      + "]");
+#endif
+  return result;
+}
+
+#ifdef RBA_USE_LOG
+const std::string
+RBAStateValue::getSymbol() const
+{
+  return ".stateValue()";
+}
+#endif
+
+}