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c0feea1da3
For reproducers in LLDB, we need to collect module dependency
information coming from the clang importer. However, we cannot override
the dependency collector, like we do in LLDB, because its interface is
completely hidden in the clang importer. The solution is to pass the
FileCollector through the DependencyTracker.
(cherry picked from commit c624a87bd5)
59 lines
2.2 KiB
C++
59 lines
2.2 KiB
C++
//===--- ModuleLoader.cpp - Swift Language Module Implementation ----------===//
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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 implements the ModuleLoader class and/or any helpers.
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//
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//===----------------------------------------------------------------------===//
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#include "swift/AST/ModuleLoader.h"
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#include "clang/Frontend/Utils.h"
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#include "swift/ClangImporter/ClangImporter.h"
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namespace llvm {
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class FileCollector;
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}
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namespace swift {
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DependencyTracker::DependencyTracker(
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bool TrackSystemDeps, std::shared_ptr<llvm::FileCollector> FileCollector)
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// NB: The ClangImporter believes it's responsible for the construction of
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// this instance, and it static_cast<>s the instance pointer to its own
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// subclass based on that belief. If you change this to be some other
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// instance, you will need to change ClangImporter's code to handle the
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// difference.
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: clangCollector(ClangImporter::createDependencyCollector(TrackSystemDeps,
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FileCollector)) {}
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void
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DependencyTracker::addDependency(StringRef File, bool IsSystem) {
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// DependencyTracker exposes an interface that (intentionally) does not talk
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// about clang at all, nor about missing deps. It does expose an IsSystem
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// dimension, which we accept and pass along to the clang DependencyCollector.
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// along to the clang DependencyCollector.
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clangCollector->maybeAddDependency(File, /*FromModule=*/false,
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IsSystem, /*IsModuleFile=*/false,
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/*IsMissing=*/false);
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}
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ArrayRef<std::string>
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DependencyTracker::getDependencies() const {
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return clangCollector->getDependencies();
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}
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std::shared_ptr<clang::DependencyCollector>
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DependencyTracker::getClangCollector() {
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return clangCollector;
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}
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} // namespace swift
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