6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
//===--- ScratchBuffer.h - Scratch space for forming tokens -----*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the ScratchBuffer interface.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_LEX_SCRATCHBUFFER_H
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#define LLVM_CLANG_LEX_SCRATCHBUFFER_H
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#include "clang/Basic/SourceLocation.h"
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namespace clang {
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class SourceManager;
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/// ScratchBuffer - This class exposes a simple interface for the dynamic
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/// construction of tokens. This is used for builtin macros (e.g. __LINE__) as
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/// well as token pasting, etc.
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class ScratchBuffer {
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SourceManager &SourceMgr;
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char *CurBuffer;
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SourceLocation BufferStartLoc;
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unsigned BytesUsed;
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public:
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ScratchBuffer(SourceManager &SM);
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/// getToken - Splat the specified text into a temporary MemoryBuffer and
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/// return a SourceLocation that refers to the token. This is just like the
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/// previous method, but returns a location that indicates the physloc of the
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/// token.
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SourceLocation getToken(const char *Buf, unsigned Len, const char *&DestPtr);
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private:
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void AllocScratchBuffer(unsigned RequestLen);
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};
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} // end namespace clang
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#endif
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