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//===- FrontendOptions.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/Frontend/FrontendOptions.h"
#include "flang/Evaluate/expression.h"
using namespace Fortran::frontend;
bool Fortran::frontend::isFixedFormSuffix(llvm::StringRef suffix) {
// Note: Keep this list in-sync with flang/test/lit.cfg.py
return suffix == "f77" || suffix == "f" || suffix == "F" || suffix == "ff" ||
suffix == "for" || suffix == "FOR" || suffix == "fpp" || suffix == "FPP";
}
bool Fortran::frontend::isFreeFormSuffix(llvm::StringRef suffix) {
// Note: Keep this list in-sync with flang/test/lit.cfg.py
// TODO: Add Cuda Fortan files (i.e. `*.cuf` and `*.CUF`).
return suffix == "f90" || suffix == "F90" || suffix == "ff90" ||
suffix == "f95" || suffix == "F95" || suffix == "ff95" ||
suffix == "f03" || suffix == "F03" || suffix == "f08" ||
suffix == "F08" || suffix == "f18" || suffix == "F18";
}
bool Fortran::frontend::mustBePreprocessed(llvm::StringRef suffix) {
return suffix == "F" || suffix == "FOR" || suffix == "fpp" ||
suffix == "FPP" || suffix == "F90" || suffix == "F95" ||
suffix == "F03" || suffix == "F08" || suffix == "F18";
}
// TODO: This is a copy of `asFortran` from f18.cpp and is added here for
// compatiblity. It doesn't really belong here, but I couldn't find a better
// place. We should decide whether to add it to the Evaluate or Parse/Unparse
// APIs or some dedicated utility library in the driver.
Fortran::parser::AnalyzedObjectsAsFortran
Fortran::frontend::getBasicAsFortran() {
return Fortran::parser::AnalyzedObjectsAsFortran{
[](llvm::raw_ostream &o, const Fortran::evaluate::GenericExprWrapper &x) {
if (x.v) {
x.v->AsFortran(o);
} else {
o << "(bad expression)";
}
},
[](llvm::raw_ostream &o,
const Fortran::evaluate::GenericAssignmentWrapper &x) {
if (x.v) {
x.v->AsFortran(o);
} else {
o << "(bad assignment)";
}
},
[](llvm::raw_ostream &o, const Fortran::evaluate::ProcedureRef &x) {
x.AsFortran(o << "CALL ");
},
};
}
InputKind FrontendOptions::GetInputKindForExtension(llvm::StringRef extension) {
if (isFixedFormSuffix(extension) || isFreeFormSuffix(extension)) {
return Language::Fortran;
}
return Language::Unknown;
}
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