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-rw-r--r--tools/libclang/SimpleFormatContext.h75
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diff --git a/tools/libclang/SimpleFormatContext.h b/tools/libclang/SimpleFormatContext.h
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-//===--- SimpleFormatContext.h ----------------------------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-/// \file
-///
-/// \brief Defines a utility class for use of clang-format in libclang
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_SIMPLE_FORM_CONTEXT_H
-#define LLVM_CLANG_SIMPLE_FORM_CONTEXT_H
-
-#include "clang/Basic/Diagnostic.h"
-#include "clang/Basic/DiagnosticOptions.h"
-#include "clang/Basic/FileManager.h"
-#include "clang/Basic/LangOptions.h"
-#include "clang/Basic/SourceManager.h"
-#include "clang/Rewrite/Core/Rewriter.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/raw_ostream.h"
-
-namespace clang {
-
-/// \brief A small class to be used by libclang clients to format
-/// a declaration string in memory. This object is instantiated once
-/// and used each time a formatting is needed.
-class SimpleFormatContext {
-public:
- SimpleFormatContext(LangOptions Options)
- : DiagOpts(new DiagnosticOptions()),
- Diagnostics(new DiagnosticsEngine(new DiagnosticIDs,
- DiagOpts.getPtr())),
- Files((FileSystemOptions())),
- Sources(*Diagnostics, Files),
- Rewrite(Sources, Options) {
- Diagnostics->setClient(new IgnoringDiagConsumer, true);
- }
-
- ~SimpleFormatContext() { }
-
- FileID createInMemoryFile(StringRef Name, StringRef Content) {
- const llvm::MemoryBuffer *Source =
- llvm::MemoryBuffer::getMemBuffer(Content);
- const FileEntry *Entry =
- Files.getVirtualFile(Name, Source->getBufferSize(), 0);
- Sources.overrideFileContents(Entry, Source, true);
- assert(Entry != NULL);
- return Sources.createFileID(Entry, SourceLocation(), SrcMgr::C_User);
- }
-
- std::string getRewrittenText(FileID ID) {
- std::string Result;
- llvm::raw_string_ostream OS(Result);
- Rewrite.getEditBuffer(ID).write(OS);
- OS.flush();
- return Result;
- }
-
- IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts;
- IntrusiveRefCntPtr<DiagnosticsEngine> Diagnostics;
- FileManager Files;
- SourceManager Sources;
- Rewriter Rewrite;
-};
-
-} // end namespace clang
-
-#endif
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