include/clang/Lex/PreprocessorExcludedConditionalDirectiveSkipMapping.h

   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
  16 namespace 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.
  21 using PreprocessorSkippedRangeMapping = llvm::DenseMap<unsigned, unsigned>;
  22
  23 /// The datastructure that holds the mapping between the active memory buffers
  24 /// and the individual skip mappings.
  25 using 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