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20cb3e3eb2
Adds a -working-directory option which can be used to modify how relative paths are resolved. It affects all other paths used in driver options (controlled by a new ArgumentIsPath flag on options) as well as the contents of output file maps and auxilliary file paths generated implicitly by the compiler itself. rdar://37713856
93 lines
3.0 KiB
C++
93 lines
3.0 KiB
C++
//===--- OutputFileMap.h - Driver output file map ---------------*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2018 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_DRIVER_OUTPUTFILEMAP_H
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#define SWIFT_DRIVER_OUTPUTFILEMAP_H
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#include "swift/Basic/LLVM.h"
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#include "swift/Driver/Types.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/SourceMgr.h"
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#include "llvm/Support/YAMLParser.h"
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#include <memory>
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#include <string>
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namespace swift {
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namespace driver {
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typedef llvm::DenseMap<types::ID, std::string> TypeToPathMap;
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class OutputFileMap {
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private:
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llvm::StringMap<TypeToPathMap> InputToOutputsMap;
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public:
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OutputFileMap() {}
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~OutputFileMap() = default;
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/// Loads an OutputFileMap from the given \p Path, if possible.
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///
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/// When non-empty, \p workingDirectory is used to resolve relative paths in
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/// the output file map.
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static std::unique_ptr<OutputFileMap>
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loadFromPath(StringRef Path, StringRef workingDirectory);
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static std::unique_ptr<OutputFileMap>
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loadFromBuffer(StringRef Data, StringRef workingDirectory);
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/// Loads an OutputFileMap from the given \p Buffer, taking ownership
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/// of the buffer in the process.
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///
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/// When non-empty, \p workingDirectory is used to resolve relative paths in
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/// the output file map.
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static std::unique_ptr<OutputFileMap>
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loadFromBuffer(std::unique_ptr<llvm::MemoryBuffer> Buffer,
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StringRef workingDirectory);
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/// Get the map of outputs for the given \p Input, if present in the
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/// OutputFileMap. (If not present, returns nullptr.)
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const TypeToPathMap *getOutputMapForInput(StringRef Input) const;
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/// Get a map of outputs for the given \p Input, creating it in
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/// the OutputFileMap if not already present.
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TypeToPathMap &getOrCreateOutputMapForInput(StringRef Input);
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/// Get the map of outputs for a single compile product.
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const TypeToPathMap *getOutputMapForSingleOutput() const;
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/// Get or create the map of outputs for a single compile product.
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TypeToPathMap &getOrCreateOutputMapForSingleOutput();
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/// Dump the OutputFileMap to the given \p os.
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void dump(llvm::raw_ostream &os, bool Sort = false) const;
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private:
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/// \brief Parses the given \p Buffer into the OutputFileMap, taking ownership
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/// of \p Buffer in the process.
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///
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/// When non-empty, \p workingDirectory is used to resolve relative paths in
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/// the output file map.
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///
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/// \returns true on error, false on success
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bool parse(std::unique_ptr<llvm::MemoryBuffer> Buffer,
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StringRef workingDirectory);
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};
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} // end namespace driver
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} // end namespace swift
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#endif
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