forked from OSchip/llvm-project
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
//===-- lib/Parser/misc-parsers.h -------------------------------*- C++ -*-===//
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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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// Parser templates and constexpr parsers shared by multiple
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// per-type parser implementation source files.
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#ifndef FORTRAN_PARSER_MISC_PARSERS_H_
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#define FORTRAN_PARSER_MISC_PARSERS_H_
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#include "basic-parsers.h"
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#include "token-parsers.h"
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#include "type-parsers.h"
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#include "flang/Parser/message.h"
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#include "flang/Parser/parse-tree.h"
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namespace Fortran::parser {
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// R401 xzy-list -> xzy [, xzy]...
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template <typename PA> inline constexpr auto nonemptyList(const PA &p) {
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return nonemptySeparated(p, ","_tok); // p-list
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}
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template <typename PA>
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inline constexpr auto nonemptyList(MessageFixedText error, const PA &p) {
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return withMessage(error, nonemptySeparated(p, ","_tok)); // p-list
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}
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template <typename PA> inline constexpr auto optionalList(const PA &p) {
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return defaulted(nonemptySeparated(p, ","_tok)); // [p-list]
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}
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// R402 xzy-name -> name
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// R516 keyword -> name
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constexpr auto keyword{construct<Keyword>(name)};
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// R1101 block -> [execution-part-construct]...
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constexpr auto block{many(executionPartConstruct)};
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constexpr auto listOfNames{nonemptyList("expected names"_err_en_US, name)};
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constexpr auto star{construct<Star>("*"_tok)};
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constexpr auto allocatable{construct<Allocatable>("ALLOCATABLE"_tok)};
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constexpr auto contiguous{construct<Contiguous>("CONTIGUOUS"_tok)};
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constexpr auto optional{construct<Optional>("OPTIONAL"_tok)};
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constexpr auto pointer{construct<Pointer>("POINTER"_tok)};
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constexpr auto protectedAttr{construct<Protected>("PROTECTED"_tok)};
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constexpr auto save{construct<Save>("SAVE"_tok)};
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} // namespace Fortran::parser
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#endif
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