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//===-- lib/Semantics/attr.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/Semantics/attr.h"
#include "flang/Common/idioms.h"
#include "llvm/Support/raw_ostream.h"
#include <stddef.h>
namespace Fortran::semantics {
void Attrs::CheckValid(const Attrs &allowed) const {
if (!allowed.HasAll(*this)) {
common::die("invalid attribute");
}
}
std::string AttrToString(Attr attr) {
switch (attr) {
case Attr::BIND_C:
return "BIND(C)";
case Attr::INTENT_IN:
return "INTENT(IN)";
case Attr::INTENT_INOUT:
return "INTENT(INOUT)";
case Attr::INTENT_OUT:
return "INTENT(OUT)";
default:
return std::string{EnumToString(attr)};
}
}
llvm::raw_ostream &operator<<(llvm::raw_ostream &o, Attr attr) {
return o << AttrToString(attr);
}
llvm::raw_ostream &operator<<(llvm::raw_ostream &o, const Attrs &attrs) {
std::size_t n{attrs.count()};
std::size_t seen{0};
for (std::size_t j{0}; seen < n; ++j) {
Attr attr{static_cast<Attr>(j)};
if (attrs.test(attr)) {
if (seen > 0) {
o << ", ";
}
o << attr;
++seen;
}
}
return o;
}
} // namespace Fortran::semantics
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