PreprocessorExcludedConditionalDirectiveSkipMapping.h revision 360784 
1//===- PreprocessorExcludedConditionalDirectiveSkipMapping.h - --*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLVM_CLANG_LEX_PREPROCESSOR_EXCLUDED_COND_DIRECTIVE_SKIP_MAPPING_H
10#define LLVM_CLANG_LEX_PREPROCESSOR_EXCLUDED_COND_DIRECTIVE_SKIP_MAPPING_H
11
12#include "clang/Basic/LLVM.h"
13#include "llvm/ADT/DenseMap.h"
14#include "llvm/Support/MemoryBuffer.h"
15
16namespace clang {
17
18/// A mapping from an offset into a buffer to the number of bytes that can be
19/// skipped by the preprocessor when skipping over excluded conditional
20/// directive ranges.
21using PreprocessorSkippedRangeMapping = llvm::DenseMap<unsigned, unsigned>;
22
23/// The datastructure that holds the mapping between the active memory buffers
24/// and the individual skip mappings.
25using ExcludedPreprocessorDirectiveSkipMapping =
26    llvm::DenseMap<const llvm::MemoryBuffer *,
27                   const PreprocessorSkippedRangeMapping *>;
28
29} // end namespace clang
30
31#endif // LLVM_CLANG_LEX_PREPROCESSOR_EXCLUDED_COND_DIRECTIVE_SKIP_MAPPING_H
32