84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
//===-- lib/Semantics/mod-file.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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#ifndef FORTRAN_SEMANTICS_MOD_FILE_H_
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#define FORTRAN_SEMANTICS_MOD_FILE_H_
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#include "flang/Semantics/attr.h"
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#include "llvm/Support/raw_ostream.h"
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#include <string>
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namespace Fortran::parser {
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class CharBlock;
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class Message;
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class MessageFixedText;
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} // namespace Fortran::parser
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namespace llvm {
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class raw_ostream;
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}
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namespace Fortran::semantics {
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using SourceName = parser::CharBlock;
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class Symbol;
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class Scope;
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class SemanticsContext;
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class ModFileWriter {
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public:
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explicit ModFileWriter(SemanticsContext &context) : context_{context} {}
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bool WriteAll();
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private:
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SemanticsContext &context_;
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// Buffer to use with raw_string_ostream
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std::string usesBuf_;
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std::string useExtraAttrsBuf_;
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std::string declsBuf_;
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std::string containsBuf_;
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llvm::raw_string_ostream uses_{usesBuf_};
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llvm::raw_string_ostream useExtraAttrs_{
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useExtraAttrsBuf_}; // attrs added to used entity
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llvm::raw_string_ostream decls_{declsBuf_};
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llvm::raw_string_ostream contains_{containsBuf_};
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void WriteAll(const Scope &);
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void WriteOne(const Scope &);
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void Write(const Symbol &);
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std::string GetAsString(const Symbol &);
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// Returns true if a derived type with bindings and "contains" was emitted
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bool PutSymbols(const Scope &);
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void PutSymbol(llvm::raw_ostream &, const Symbol &);
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void PutDerivedType(const Symbol &);
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void PutSubprogram(const Symbol &);
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void PutGeneric(const Symbol &);
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void PutUse(const Symbol &);
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void PutUseExtraAttr(Attr, const Symbol &, const Symbol &);
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};
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class ModFileReader {
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public:
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// directories specifies where to search for module files
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ModFileReader(SemanticsContext &context) : context_{context} {}
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// Find and read the module file for a module or submodule.
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// If ancestor is specified, look for a submodule of that module.
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// Return the Scope for that module/submodule or nullptr on error.
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Scope *Read(const SourceName &, Scope *ancestor = nullptr);
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private:
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SemanticsContext &context_;
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parser::Message &Say(const SourceName &, const std::string &,
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parser::MessageFixedText &&, const std::string &);
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};
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} // namespace Fortran::semantics
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#endif
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