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97f9e4e367
This works a around search path problems caused by a module existing in both the build/install directory and the source directory. <rdar://problem/35714074>
129 lines
4.3 KiB
C++
129 lines
4.3 KiB
C++
//===--- ClangImporterOptions.h ---------------------------------*- 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 - 2017 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_CLANGIMPORTER_CLANGIMPORTEROPTIONS_H
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#define SWIFT_CLANGIMPORTER_CLANGIMPORTEROPTIONS_H
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#include "llvm/ADT/Hashing.h"
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#include <string>
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#include <vector>
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namespace swift {
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/// Options for controlling the behavior of the Clang importer.
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class ClangImporterOptions {
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public:
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/// The module cache path which the Clang importer should use.
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std::string ModuleCachePath;
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/// Extra arguments which should be passed to the Clang importer.
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std::vector<std::string> ExtraArgs;
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/// A directory for overriding Clang's resource directory.
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std::string OverrideResourceDir;
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/// The target CPU to compile for.
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///
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/// Equivalent to Clang's -mcpu=.
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std::string TargetCPU;
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/// The path to which we should store indexing data, if any.
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std::string IndexStorePath;
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/// The bridging header or PCH that will be imported.
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std::string BridgingHeader;
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/// When automatically generating a precompiled header from the bridging
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/// header, place it in this directory.
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std::string PrecompiledHeaderOutputDir;
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/// The optimizaton setting. This doesn't typically matter for
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/// import, but it can affect Clang's IR generation of static functions.
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std::string Optimization;
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/// Disable validating the persistent PCH.
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bool PCHDisableValidation = false;
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/// \see Mode
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enum class Modes : uint8_t {
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/// Set up Clang for importing modules into Swift and generating IR from
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/// Swift code.
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Normal,
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/// Set up Clang for backend compilation only.
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EmbedBitcode
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};
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/// Controls how Clang is initially set up.
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Modes Mode = Modes::Normal;
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/// When set, preserves more information during import.
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///
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/// Also \em disables some information that is only needed for object file
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/// generation.
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bool DetailedPreprocessingRecord = false;
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/// If true, Clang diagnostics will be dumped to stderr using Clang's
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/// diagnostic printer as well as being passed to Swift's diagnostic engine.
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bool DumpClangDiagnostics = false;
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/// If true, forward declarations will be imported using unavailable types
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/// instead of dropped altogether when possible.
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bool ImportForwardDeclarations = false;
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/// Whether to use the import as member inference system
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///
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/// When importing a global, try to infer whether we can import it as a
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/// member of some type instead. This includes inits, computed properties,
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/// and methods.
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bool InferImportAsMember = false;
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/// If true ignore the swift bridged attribute.
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bool DisableSwiftBridgeAttr = false;
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/// When set, don't validate module system headers. If a header is modified
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/// and this is not set, clang will rebuild the module.
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bool DisableModulesValidateSystemHeaders = false;
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/// When set, don't look for or load adapter modules.
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bool DisableAdapterModules = false;
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/// When set, don't enforce warnings with -Werror.
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bool DebuggerSupport = false;
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/// Return a hash code of any components from these options that should
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/// contribute to a Swift Bridging PCH hash.
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llvm::hash_code getPCHHashComponents() const {
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using llvm::hash_value;
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using llvm::hash_combine;
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auto Code = hash_value(ModuleCachePath);
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// ExtraArgs ignored - already considered in Clang's module hashing.
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Code = hash_combine(Code, OverrideResourceDir);
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Code = hash_combine(Code, TargetCPU);
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Code = hash_combine(Code, BridgingHeader);
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Code = hash_combine(Code, PrecompiledHeaderOutputDir);
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Code = hash_combine(Code, static_cast<uint8_t>(Mode));
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Code = hash_combine(Code, DetailedPreprocessingRecord);
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Code = hash_combine(Code, ImportForwardDeclarations);
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Code = hash_combine(Code, InferImportAsMember);
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Code = hash_combine(Code, DisableSwiftBridgeAttr);
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Code = hash_combine(Code, DisableModulesValidateSystemHeaders);
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Code = hash_combine(Code, DisableAdapterModules);
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return Code;
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}
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};
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} // end namespace swift
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#endif
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