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| 1 | //===-- include/flang/Semantics/attr.h --------------------------*- C++ -*-===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #ifndef FORTRAN_SEMANTICS_ATTR_H_ |
| 10 | #define FORTRAN_SEMANTICS_ATTR_H_ |
| 11 | |
| 12 | #include "flang/Common/enum-set.h" |
| 13 | #include "flang/Common/idioms.h" |
| 14 | #include <cinttypes> |
| 15 | #include <string> |
| 16 | |
| 17 | namespace llvm { |
| 18 | class raw_ostream; |
| 19 | } |
| 20 | |
| 21 | namespace Fortran::semantics { |
| 22 | |
| 23 | // All available attributes. |
| 24 | ENUM_CLASS(Attr, ABSTRACT, ALLOCATABLE, ASYNCHRONOUS, BIND_C, CONTIGUOUS, |
| 25 | DEFERRED, ELEMENTAL, EXTENDS, EXTERNAL, IMPURE, INTENT_IN, INTENT_INOUT, |
| 26 | INTENT_OUT, INTRINSIC, MODULE, NON_OVERRIDABLE, NON_RECURSIVE, NOPASS, |
| 27 | OPTIONAL, PARAMETER, PASS, POINTER, PRIVATE, PROTECTED, PUBLIC, PURE, |
| 28 | RECURSIVE, SAVE, TARGET, VALUE, VOLATILE) |
| 29 | |
| 30 | // Set of attributes |
| 31 | class Attrs : public common::EnumSet<Attr, Attr_enumSize> { |
| 32 | private: |
| 33 | using enumSetType = common::EnumSet<Attr, Attr_enumSize>; |
| 34 | |
| 35 | public: |
| 36 | using enumSetType::enumSetType; |
| 37 | Attrs(const enumSetType &attrs) : enumSetType(attrs) {} |
| 38 | Attrs(enumSetType &&attrs) : enumSetType(std::move(attrs)) {} |
| 39 | constexpr bool HasAny(const Attrs &x) const { return !(*this & x).none(); } |
| 40 | constexpr bool HasAll(const Attrs &x) const { return (~*this & x).none(); } |
| 41 | // Internal error if any of these attributes are not in allowed. |
| 42 | void CheckValid(const Attrs &allowed) const; |
| 43 | |
| 44 | private: |
| 45 | friend llvm::raw_ostream &operator<<(llvm::raw_ostream &, const Attrs &); |
| 46 | }; |
| 47 | |
| 48 | // Return string representation of attr that matches Fortran source. |
| 49 | std::string AttrToString(Attr attr); |
| 50 | |
| 51 | llvm::raw_ostream &operator<<(llvm::raw_ostream &o, Attr attr); |
| 52 | llvm::raw_ostream &operator<<(llvm::raw_ostream &o, const Attrs &attrs); |
| 53 | } // namespace Fortran::semantics |
| 54 | #endif // FORTRAN_SEMANTICS_ATTR_H_ |
| 55 |
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