bool BasicComparison::compareTypeInstancesCheckedHelper(const TypeInstance &left, const TypeInstance &right) const {
if (!canCompareTypes(left.getType(), right.getType())) {
throw OperationInapplicableToType(*this, 2, &left.getType(), &right.getType());
}
if (left.isNull() || right.isNull()) {
return false;
}
if (left.getType().getSuperTypeID() == Type::kAsciiString) {
ComparisonFunctor<int> comparison_functor;
return comparison_functor(strcmpHelper(left, right), 0);
} else {
const Type *unifier = Type::GetUnifyingType(left.getType(), right.getType());
DEBUG_ASSERT(unifier != NULL);
switch (unifier->getTypeID()) {
case Type::kInt: {
DEBUG_ASSERT(left.supportsNumericInterface());
DEBUG_ASSERT(right.supportsNumericInterface());
ComparisonFunctor<int> comparison_functor;
return comparison_functor(left.numericGetIntValue(), right.numericGetIntValue());
}
case Type::kLong: {
DEBUG_ASSERT(left.supportsNumericInterface());
DEBUG_ASSERT(right.supportsNumericInterface());
ComparisonFunctor<int64_t> comparison_functor;
return comparison_functor(left.numericGetLongValue(), right.numericGetLongValue());
}
case Type::kFloat: {
DEBUG_ASSERT(left.supportsNumericInterface());
DEBUG_ASSERT(right.supportsNumericInterface());
ComparisonFunctor<float> comparison_functor;
return comparison_functor(left.numericGetFloatValue(), right.numericGetFloatValue());
}
case Type::kDouble: {
DEBUG_ASSERT(left.supportsNumericInterface());
DEBUG_ASSERT(right.supportsNumericInterface());
ComparisonFunctor<double> comparison_functor;
return comparison_functor(left.numericGetDoubleValue(), right.numericGetDoubleValue());
}
default:
throw OperationInapplicableToType(*this, 2, &left.getType(), &right.getType());
}
}
}
UncheckedComparator* BasicComparison::makeUncheckedComparatorForTypesHelper(const Type &left,
const Type &right) const {
if (!canCompareTypes(left, right)) {
throw OperationInapplicableToType(*this, 2, &left, &right);
}
if (left.getSuperTypeID() == Type::kAsciiString) {
return makeStringComparatorOuterHelper<StringComparator>(*this, left, right);
} else {
return makeComparatorOuterHelper<NumericComparator>(*this, left, right);
}
}
void ScalarUnaryExpression::initHelper(bool own_children) {
if (operation_.canApplyToType(operand_->getType())) {
if (operand_->hasStaticValue()) {
static_value_ = operation_.applyToChecked(operand_->getStaticValue(),
operand_->getType());
} else {
fast_operator_.reset(operation_.makeUncheckedUnaryOperatorForType(operand_->getType()));
}
} else {
const Type &operand_type = operand_->getType();
if (!own_children) {
operand_.release();
}
throw OperationInapplicableToType(operation_.getName(), 1, operand_type.getName().c_str());
}
}
void ComparisonPredicate::initHelper(bool own_children) {
if (comparison_.canCompareTypes(left_operand_->getType(), right_operand_->getType())) {
if (left_operand_->hasStaticValue() && right_operand_->hasStaticValue()) {
static_result_ = comparison_.compareTypedValuesChecked(left_operand_->getStaticValue(),
left_operand_->getType(),
right_operand_->getStaticValue(),
right_operand_->getType());
} else {
fast_comparator_.reset(comparison_.makeUncheckedComparatorForTypes(left_operand_->getType(),
right_operand_->getType()));
}
} else {
const Type &left_operand_type = left_operand_->getType();
const Type &right_operand_type = right_operand_->getType();
if (!own_children) {
left_operand_.release();
right_operand_.release();
}
throw OperationInapplicableToType(comparison_.getName(),
2,
left_operand_type.getName().c_str(),
right_operand_type.getName().c_str());
}
}
