251e0196e4
`Semantics::Perform` is mostly a series of calls followed by a check for fatal errors. There is more error checking logic than real code. To make it clearer, change each of the phases it calls to return true on success so that `Perform` can just call them one after the other. Original-commit: flang-compiler/f18@a218cac788 Reviewed-on: https://github.com/flang-compiler/f18/pull/317
79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
// Copyright (c) 2018-2019, NVIDIA CORPORATION. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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 "attr.h"
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#include "resolve-names.h"
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#include "../parser/message.h"
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#include <set>
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#include <sstream>
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#include <string>
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#include <vector>
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namespace Fortran::parser {
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class CharBlock;
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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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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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std::stringstream uses_;
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std::stringstream useExtraAttrs_; // attrs added to used entity
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std::stringstream decls_;
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std::stringstream contains_;
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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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void PutSymbols(const Scope &);
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void PutSymbol(std::stringstream &, 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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std::optional<std::string> FindModFile(
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const SourceName &, const std::string &);
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};
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}
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#endif
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