clang/tools/libclang/Index_Internal.h

   1 //===- CXString.h - Routines for manipulating CXStrings -------------------===//
   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 // This file defines routines for manipulating CXStrings.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_CLANG_TOOLS_LIBCLANG_INDEX_INTERNAL_H
  14 #define LLVM_CLANG_TOOLS_LIBCLANG_INDEX_INTERNAL_H
  15
  16 #include "clang-c/Index.h"
  17
  18 #ifndef __has_feature
  19 #define __has_feature(x) 0
  20 #endif
  21
  22 #if __has_feature(blocks)
  23
  24 #define INVOKE_BLOCK2(block, arg1, arg2) block(arg1, arg2)
  25
  26 #else
  27 // If we are compiled with a compiler that doesn't have native blocks support,
  28 // define and call the block manually.
  29
  30 #define INVOKE_BLOCK2(block, arg1, arg2) block->invoke(block, arg1, arg2)
  31
  32 typedef struct _CXCursorAndRangeVisitorBlock {
  33   void *isa;
  34   int flags;
  35   int reserved;
  36   enum CXVisitorResult (*invoke)(_CXCursorAndRangeVisitorBlock *,
  37                                  CXCursor, CXSourceRange);
  38 } *CXCursorAndRangeVisitorBlock;
  39
  40 #endif // !__has_feature(blocks)
  41
  42 /// The result of comparing two source ranges.
  43 enum RangeComparisonResult {
  44   /// Either the ranges overlap or one of the ranges is invalid.
  45   RangeOverlap,
  46
  47   /// The first range ends before the second range starts.
  48   RangeBefore,
  49
  50   /// The first range starts after the second range ends.
  51   RangeAfter
  52 };
  53
  54 #endif