76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
//===--- ASTUnit.h - ASTUnit utility ----------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// ASTUnit utility class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_FRONTEND_ASTUNIT_H
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#define LLVM_CLANG_FRONTEND_ASTUNIT_H
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#include "llvm/ADT/OwningPtr.h"
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#include <string>
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namespace clang {
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class FileManager;
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class FileEntry;
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class SourceManager;
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class DiagnosticClient;
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class Diagnostic;
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class HeaderSearch;
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class TargetInfo;
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class Preprocessor;
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class ASTContext;
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class Decl;
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/// \brief Utility class for loading a ASTContext from a PCH file.
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///
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class ASTUnit {
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llvm::OwningPtr<SourceManager> SourceMgr;
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llvm::OwningPtr<DiagnosticClient> DiagClient;
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llvm::OwningPtr<Diagnostic> Diags;
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llvm::OwningPtr<HeaderSearch> HeaderInfo;
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llvm::OwningPtr<TargetInfo> Target;
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llvm::OwningPtr<Preprocessor> PP;
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llvm::OwningPtr<ASTContext> Ctx;
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ASTUnit(const ASTUnit&); // do not implement
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ASTUnit &operator=(const ASTUnit &); // do not implement
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ASTUnit();
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public:
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~ASTUnit();
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const SourceManager &getSourceManager() const { return *SourceMgr.get(); }
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SourceManager &getSourceManager() { return *SourceMgr.get(); }
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const Preprocessor &getPreprocessor() const { return *PP.get(); }
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Preprocessor &getPreprocessor() { return *PP.get(); }
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const ASTContext &getASTContext() const { return *Ctx.get(); }
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ASTContext &getASTContext() { return *Ctx.get(); }
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/// \brief Create a ASTUnit from a PCH file.
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///
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/// \param Filename PCH filename
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///
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/// \param FileMgr The FileManager to use
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///
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/// \param ErrMsg Error message to report if the PCH file could not be loaded
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///
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/// \returns the initialized ASTUnit or NULL if the PCH failed to load
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static ASTUnit *LoadFromPCHFile(const std::string &Filename,
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FileManager &FileMgr,
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std::string *ErrMsg = 0);
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};
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} // namespace clang
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#endif
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