1 files changed, 105 insertions, 0 deletions
diff --git a/src/core/expression/RBAIsLowerThanOperator.cpp b/src/core/expression/RBAIsLowerThanOperator.cpp
new file mode 100644
index 0000000..99a7860
--- /dev/null
+++ b/src/core/expression/RBAIsLowerThanOperator.cpp
@@ -0,0 +1,105 @@
+/**
+ * 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.
+ */
+
+/// IsLowerThanOperator class definition file
+
+#include "RBAIsLowerThanOperator.hpp"
+#include "RBAArbitrator.hpp"
+#include "RBAExpressionVisitor.hpp"
+#include "RBALogManager.hpp"
+#include "RBAModelElementType.hpp"
+#include "RBAExpressionType.hpp"
+#include "RBAConstraintInfo.hpp"
+
+namespace rba
+{
+
+void
+RBAIsLowerThanOperator::accept(RBAExpressionVisitor& visitor)
+{
+  visitor.visit(*this);
+}
+
+RBAModelElementType
+RBAIsLowerThanOperator::getModelElementType() const
+{
+  return RBAModelElementType::IsLowerThanOperator;
+}
+
+bool
+RBAIsLowerThanOperator::executeCore(RBAConstraintInfo* info,
+                                    RBAArbitrator* arb) const
+{
+  bool isPassed {false};
+  // Add itself to Constraint hierarchy for coverage
+  LOG_addHierarchy(LOG_getSymbol());
+  RBAConstraintInfo* const leftInfo {info->getChild(0U)};
+  RBAConstraintInfo* const rightInfo {info->getChild(1U)};
+  const std::int32_t lhsVal {getLhsOperand()->getValue(leftInfo, arb)};
+  const std::int32_t rhsVal {getRhsOperand()->getValue(rightInfo, arb)};
+  // If a pre-arbitration exception occurs on either the left side 
+  // or the right side in the reference, throw it higher
+  if ((leftInfo->isExceptionBeforeArbitrate() == true)
+      || (rightInfo->isExceptionBeforeArbitrate() == true)
+      || (lhsVal == -99)
+      || (rhsVal == -99)) {
+    info->setExceptionBeforeArbitrate(true);
+  } else {
+    if (lhsVal < rhsVal) {
+      isPassed = true;
+      info->addTrueAllocatableFromOperand();
+    } else {
+      info->addFalseAllocatableFromOperand();
+    }
+  }
+#ifdef RBA_USE_LOG
+  if (info->isExceptionBeforeArbitrate() == true) {
+    LOG_arbitrateConstraintLogicLogLine(
+        "      [" + LOG_getExpressionText() + "] before arbitrate skip");
+    LOG_coverageConstraintExpressionLog(LOG_getCoverageExpressionText(),
+                                        RBAExecuteResult::SKIP);
+  } else if (isPassed == true) {
+    LOG_arbitrateConstraintLogicLogLine(
+        "      [" + LOG_getExpressionText() + "] true");
+    LOG_coverageConstraintExpressionLog(LOG_getCoverageExpressionText(),
+                                        RBAExecuteResult::TRUE);
+  } else {
+    LOG_arbitrateConstraintLogicLogLine(
+        "      [" + LOG_getExpressionText() + "] false");
+    LOG_coverageConstraintExpressionLog(LOG_getCoverageExpressionText(),
+                                        RBAExecuteResult::FALSE);
+  }
+#endif
+  // Remove itself from Constraint hierarchy for coverage
+  LOG_removeHierarchy();
+  return isPassed;
+}
+
+#ifdef RBA_USE_LOG
+const std::string
+RBAIsLowerThanOperator::getSymbol() const
+{
+  return "<";
+}
+
+RBAExpressionType
+RBAIsLowerThanOperator::getUnderlyingType() const
+{
+  return RBAExpressionType::BOOLEAN;
+}
+#endif
+
+}