forked from OSchip/llvm-project
73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
//===- CXString.h - Routines for manipulating CXStrings -------------------===//
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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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// This file defines routines for manipulating CXStrings.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_CXSTRING_H
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#define LLVM_CLANG_CXSTRING_H
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#include "clang-c/Index.h"
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#include "clang/Basic/LLVM.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/ADT/StringRef.h"
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#include <vector>
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namespace clang {
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namespace cxstring {
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struct CXStringBuf;
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/// \brief Create a CXString object for an NULL string.
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CXString createNull();
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/// \brief Create a CXString object from a C string.
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CXString createCXString(const char *String, bool DupString = false);
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/// \brief Create a CXString object from a StringRef.
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CXString createCXString(StringRef String, bool DupString = true);
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/// \brief Create a CXString object that is backed by a string buffer.
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CXString createCXString(CXStringBuf *buf);
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/// \brief A string pool used for fast allocation/deallocation of strings.
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class CXStringPool {
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public:
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~CXStringPool();
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CXStringBuf *getCXStringBuf(CXTranslationUnit TU);
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private:
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std::vector<CXStringBuf *> Pool;
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friend struct CXStringBuf;
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};
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struct CXStringBuf {
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SmallString<128> Data;
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CXTranslationUnit TU;
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CXStringBuf(CXTranslationUnit TU) : TU(TU) {}
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/// \brief Return this buffer to the pool.
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void dispose();
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};
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CXStringBuf *getCXStringBuf(CXTranslationUnit TU);
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/// \brief Returns true if the CXString data is managed by a pool.
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bool isManagedByPool(CXString str);
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}
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}
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#endif
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