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7b89afbb6e
Allow DependencyScanner to canonicalize path using a prefix map. When option `-scanner-prefix-map` option is used, dependency scanner will remap all the input paths in following: * all the paths in the CAS file system or clang include tree * all the paths related to input on the command-line returned by scanner This allows all the input paths to be canonicalized so cache key can be computed reguardless of the exact on disk path. The sourceFile field is not remapped so build system can track the exact file as on the local file system.
49 lines
1.9 KiB
C++
49 lines
1.9 KiB
C++
//===--- CompileJobCacheKey.h - compile cache key methods -------*- 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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//
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// This file contains declarations of utility methods for creating cache keys
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// for compilation jobs.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_COMPILEJOBCACHEKEY_H
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#define SWIFT_COMPILEJOBCACHEKEY_H
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#include "swift/AST/DiagnosticEngine.h"
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#include "swift/Basic/FileTypes.h"
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/CAS/ObjectStore.h"
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#include "llvm/Support/Error.h"
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namespace swift {
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/// Compute CompileJobBaseKey from swift-frontend command-line arguments.
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/// CompileJobBaseKey represents the core inputs and arguments, and is used as a
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/// base to compute keys for each compiler outputs.
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// TODO: switch to create key from CompilerInvocation after we can canonicalize
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// arguments.
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llvm::Expected<llvm::cas::ObjectRef>
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createCompileJobBaseCacheKey(llvm::cas::ObjectStore &CAS,
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ArrayRef<const char *> Args);
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/// Compute CompileJobKey for the compiler outputs. The key for the output
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/// is computed from the base key for the compilation, the output kind and the
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/// input file path that is associated with this specific output.
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llvm::Expected<llvm::cas::ObjectRef>
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createCompileJobCacheKeyForOutput(llvm::cas::ObjectStore &CAS,
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llvm::cas::ObjectRef BaseKey,
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StringRef ProducingInput,
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file_types::ID OutputType);
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} // namespace swift
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#endif
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