1 files changed, 44 insertions, 0 deletions
diff --git a/clang-r353983/include/clang/Lex/ScratchBuffer.h b/clang-r353983/include/clang/Lex/ScratchBuffer.h
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+++ b/clang-r353983/include/clang/Lex/ScratchBuffer.h
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+//===--- ScratchBuffer.h - Scratch space for forming tokens -----*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file defines the ScratchBuffer interface.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_LEX_SCRATCHBUFFER_H
+#define LLVM_CLANG_LEX_SCRATCHBUFFER_H
+
+#include "clang/Basic/SourceLocation.h"
+
+namespace clang {
+  class SourceManager;
+
+/// ScratchBuffer - This class exposes a simple interface for the dynamic
+/// construction of tokens.  This is used for builtin macros (e.g. __LINE__) as
+/// well as token pasting, etc.
+class ScratchBuffer {
+  SourceManager &SourceMgr;
+  char *CurBuffer;
+  SourceLocation BufferStartLoc;
+  unsigned BytesUsed;
+public:
+  ScratchBuffer(SourceManager &SM);
+
+  /// getToken - Splat the specified text into a temporary MemoryBuffer and
+  /// return a SourceLocation that refers to the token.  This is just like the
+  /// previous method, but returns a location that indicates the physloc of the
+  /// token.
+  SourceLocation getToken(const char *Buf, unsigned Len, const char *&DestPtr);
+
+private:
+  void AllocScratchBuffer(unsigned RequestLen);
+};
+
+} // end namespace clang
+
+#endif