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2cd2fe3418
In particular, the fake "<module-includes>" buffers all have that same name. Use the buffer itself to provide identity. (We are already deliberately keeping the buffers alive via their source managers.) rdar://problem/19716081 Swift SVN r25200
94 lines
3.0 KiB
C++
94 lines
3.0 KiB
C++
//===--- ClangDiagnosticConsumer.h - Handle Clang diagnostics ---*- 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 - 2015 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 http://swift.org/LICENSE.txt for license information
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// See http://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_CLANG_DIAGNOSTIC_CONSUMER_H
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#define SWIFT_CLANG_DIAGNOSTIC_CONSUMER_H
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#include "swift/ClangImporter/ClangImporter.h"
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#include "clang/Basic/Diagnostic.h"
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#include "clang/Basic/IdentifierTable.h"
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#include "clang/Frontend/TextDiagnosticPrinter.h"
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namespace swift {
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class ClangDiagnosticConsumer : public clang::TextDiagnosticPrinter {
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struct LoadModuleRAII {
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ClangDiagnosticConsumer *Consumer;
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public:
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LoadModuleRAII(ClangDiagnosticConsumer &consumer,
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const clang::IdentifierInfo *import)
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: Consumer(&consumer) {
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assert(import);
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assert(!Consumer->CurrentImport);
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Consumer->CurrentImport = import;
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}
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LoadModuleRAII(LoadModuleRAII &) = delete;
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LoadModuleRAII &operator=(LoadModuleRAII &) = delete;
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LoadModuleRAII(LoadModuleRAII &&other) {
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*this = std::move(other);
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}
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LoadModuleRAII &operator=(LoadModuleRAII &&other) {
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Consumer = other.Consumer;
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other.Consumer = nullptr;
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return *this;
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}
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~LoadModuleRAII() {
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if (Consumer)
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Consumer->CurrentImport = nullptr;
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}
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};
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private:
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friend struct LoadModuleRAII;
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ClangImporter::Implementation &ImporterImpl;
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/// Keeps alive the Clang source managers where diagnostics have been
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/// reported.
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///
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/// This is a bit of a hack, but LLVM's source manager (and by extension
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/// Swift's) does not support buffers going away.
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//
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// This is not using SmallPtrSet or similar because we need the
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// IntrusiveRefCntPtr to stay a ref-counting pointer.
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SmallVector<llvm::IntrusiveRefCntPtr<const clang::SourceManager>, 4>
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sourceManagersWithDiagnostics;
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llvm::DenseMap<const llvm::MemoryBuffer *, unsigned> mirroredBuffers;
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const clang::IdentifierInfo *CurrentImport = nullptr;
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SourceLoc DiagLoc;
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const bool DumpToStderr;
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SourceLoc resolveSourceLocation(const clang::SourceManager &clangSrcMgr,
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clang::SourceLocation clangLoc);
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public:
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ClangDiagnosticConsumer(ClangImporter::Implementation &impl,
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clang::DiagnosticOptions &clangDiagOptions,
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bool dumpToStderr);
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LoadModuleRAII handleImport(const clang::IdentifierInfo *name,
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SourceLoc diagLoc) {
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DiagLoc = diagLoc;
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return LoadModuleRAII(*this, name);
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}
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void HandleDiagnostic(clang::DiagnosticsEngine::Level diagLevel,
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const clang::Diagnostic &info) override;
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};
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} // end namespace swift
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#endif
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