llvm-project/flang/lib/Common/Fortran-features.cpp

70 lines
1.9 KiB
C++

//===-- lib/Common/Fortran-features.cpp -----------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "flang/Common/Fortran-features.h"
#include "flang/Common/Fortran.h"
#include "flang/Common/idioms.h"
namespace Fortran::common {
std::vector<const char *> LanguageFeatureControl::GetNames(
LogicalOperator opr) const {
std::vector<const char *> result;
result.push_back(AsFortran(opr));
if (opr == LogicalOperator::Neqv && IsEnabled(LanguageFeature::XOROperator)) {
result.push_back(".xor.");
}
if (IsEnabled(LanguageFeature::LogicalAbbreviations)) {
switch (opr) {
SWITCH_COVERS_ALL_CASES
case LogicalOperator::And:
result.push_back(".a.");
break;
case LogicalOperator::Or:
result.push_back(".o.");
break;
case LogicalOperator::Not:
result.push_back(".n.");
break;
case LogicalOperator::Neqv:
if (IsEnabled(LanguageFeature::XOROperator)) {
result.push_back(".x.");
}
break;
case LogicalOperator::Eqv:
break;
}
}
return result;
}
std::vector<const char *> LanguageFeatureControl::GetNames(
RelationalOperator opr) const {
switch (opr) {
SWITCH_COVERS_ALL_CASES
case RelationalOperator::LT:
return {".lt.", "<"};
case RelationalOperator::LE:
return {".le.", "<="};
case RelationalOperator::EQ:
return {".eq.", "=="};
case RelationalOperator::GE:
return {".ge.", ">="};
case RelationalOperator::GT:
return {".gt.", ">"};
case RelationalOperator::NE:
if (IsEnabled(LanguageFeature::AlternativeNE)) {
return {".ne.", "/=", "<>"};
} else {
return {".ne.", "/="};
}
}
}
} // namespace Fortran::common