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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.
*/
/**
* Expression class definition
*/
#include "RBAExpression.hpp"
#include "RBALetStatement.hpp"
#include "RBAConstraintInfo.hpp"
#ifdef RBA_USE_LOG
#include "RBAExpressionType.hpp"
#endif
namespace rba
{
void RBAExpression::addLetStatement(RBALetStatement* const letStatement)
{
letStatements_.push_back(letStatement);
}
void
RBAExpression::accept(RBAExpressionVisitor& visitor)
{
// Not be called because the function of the derived class is called
}
bool
RBAExpression::execute(RBAConstraintInfo* const info, RBAArbitratorImpl * const arb) const
{
info->setExpression(this);
for (RBALetStatement* const& letStatement : letStatements_) {
letStatement->setVariable(arb);
}
const bool result {executeCore(info, arb)};
if (result) {
info->setResult(RBAExecuteResult::TRUE);
} else {
info->setResult(RBAExecuteResult::FALSE);
}
return result;
}
bool
RBAExpression::executeCore(RBAConstraintInfo* info, RBAArbitratorImpl * arb) const
{
// This function is called when an Expression that does not define
// getReferenceObject() in evaluate() is specified.
info->setExceptionBeforeArbitrate(true);
return false;
}
const RBARuleObject*
RBAExpression::getReferenceObject(RBAConstraintInfo* const info,
RBAArbitratorImpl* const arb) const
{
info->setExpression(this);
for (RBALetStatement* const& letStatement : letStatements_) {
letStatement->setVariable(arb);
}
return getReferenceObjectCore(info, arb);
}
const RBARuleObject*
RBAExpression::getReferenceObjectCore(RBAConstraintInfo* info,
RBAArbitratorImpl* arb) const
{
// This function is called when an Expression that does not define
// getReferenceObject() in evaluateObject() is specified.
return nullptr;
}
std::int32_t
RBAExpression::getValue(RBAConstraintInfo* const info, RBAArbitratorImpl * const arb) const
{
info->setExpression(this);
for (RBALetStatement* const& letStatement : letStatements_) {
letStatement->setVariable(arb);
}
return getValueCore(info, arb);
}
const std::vector<RBALetStatement*>&
RBAExpression::getLetStatements() const
{
return letStatements_;
}
std::int32_t
RBAExpression::getValueCore(RBAConstraintInfo* info, RBAArbitratorImpl * arb) const
{
// This function is called when an Expression that does not define
// getValue() in evaluateValue() is specified.
return -99;
}
void
RBAExpression::doAction(RBAConstraintInfo* const info, RBAArbitratorImpl* const arb)
{
info->setExpression(this);
doActionCore(info, arb);
return;
}
void
RBAExpression::doActionCore(RBAConstraintInfo* info, RBAArbitratorImpl* arb)
{
// This function is called when an Expression that does not define
// doAction() in evaluateDoAction() is specified.
return;
}
#ifdef RBA_USE_LOG
const std::string
RBAExpression::getExpressionText() const
{
// Not called because the function of the derived class is called
return "Unsupported operation exception";
}
const std::string
RBAExpression::getCoverageExpressionText() const
{
// Not called because the function of the derived class is called
return "Unsupported operation exception";
}
void
RBAExpression::createHierarchy()
{
// Not called because the function of the derived class is called
}
RBAExpressionType
RBAExpression::getUnderlyingType() const
{
// Not called because the function of the derived class is called
return RBAExpressionType::EXCEPTION;
}
#endif
}
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