52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
//===-- lib/semantics/attr.cpp --------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "flang/semantics/attr.h"
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#include "flang/common/idioms.h"
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#include <ostream>
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#include <stddef.h>
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namespace Fortran::semantics {
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void Attrs::CheckValid(const Attrs &allowed) const {
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if (!allowed.HasAll(*this)) {
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common::die("invalid attribute");
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}
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}
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std::string AttrToString(Attr attr) {
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switch (attr) {
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case Attr::BIND_C: return "BIND(C)";
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case Attr::INTENT_IN: return "INTENT(IN)";
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case Attr::INTENT_INOUT: return "INTENT(INOUT)";
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case Attr::INTENT_OUT: return "INTENT(OUT)";
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default: return EnumToString(attr);
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}
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}
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std::ostream &operator<<(std::ostream &o, Attr attr) {
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return o << AttrToString(attr);
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}
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std::ostream &operator<<(std::ostream &o, const Attrs &attrs) {
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std::size_t n{attrs.count()};
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std::size_t seen{0};
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for (std::size_t j{0}; seen < n; ++j) {
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Attr attr{static_cast<Attr>(j)};
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if (attrs.test(attr)) {
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if (seen > 0) {
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o << ", ";
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}
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o << attr;
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++seen;
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}
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}
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return o;
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}
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}
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