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09b8af86fb
Using a virutal output backend to capture all the outputs from swift-frontend invocation. This allows redirecting and/or mirroring compiler outputs to multiple location using different OutputBackend. As an example usage for the virtual outputs, teach swift compiler to check its output determinism by running the compiler invocation twice and compare the hash of all its outputs. Virtual output will be used to enable caching in the future.
47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
//===--- Dependencies.h -- Unified header for dependency tracing utilities --===//
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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 - 2020 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_FRONTENDTOOL_DEPENDENCIES_H
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#define SWIFT_FRONTENDTOOL_DEPENDENCIES_H
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namespace llvm {
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namespace vfs {
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class OutputBackend;
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}
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} // namespace llvm
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namespace swift {
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class ASTContext;
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class DependencyTracker;
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class DiagnosticEngine;
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class FrontendOptions;
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class InputFile;
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class ModuleDecl;
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/// Emit the names of the modules imported by \c mainModule.
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bool emitImportedModules(ModuleDecl *mainModule, const FrontendOptions &opts,
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llvm::vfs::OutputBackend &backend);
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bool emitMakeDependenciesIfNeeded(DiagnosticEngine &diags,
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DependencyTracker *depTracker,
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const FrontendOptions &opts,
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const InputFile &input,
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llvm::vfs::OutputBackend &backend);
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bool emitLoadedModuleTraceIfNeeded(ModuleDecl *mainModule,
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DependencyTracker *depTracker,
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const FrontendOptions &opts,
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const InputFile &input);
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} // end namespace swift
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#endif
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