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  1. #include <iostream>
  2. #include <clang-c/Index.h>
  3.  
  4. template<typename T, void F(T)> struct manager
  5. {
  6.     T  t;
  7.     manager(T t) : t(t) {}
  8.     operator T () {return t;}
  9.     ~manager() {F(t);}
  10. };
  11.  
  12. int main()
  13. {
  14.     manager<CXIndex, clang_disposeIndex> managed_index(clang_createIndex(0, 0));
  15.     CXIndex index = managed_index;
  16.     if (!index)
  17.     {
  18.         std::cerr << "failed creating index" << std::endl;
  19.         return 1;
  20.     }
  21.  
  22.     manager<CXTranslationUnit, clang_disposeTranslationUnit> managed_mickey(
  23.             clang_parseTranslationUnit(
  24.                 index,
  25.                 "mickey.cpp",
  26.                 nullptr,
  27.                 0,
  28.                 0,
  29.                 0,
  30.                 CXTranslationUnit_PrecompiledPreamble));
  31.     CXTranslationUnit mickey = managed_mickey;
  32.     if (!mickey)
  33.     {
  34.         std::cerr << "mickey parsing failed" << std::endl;
  35.         return 1;
  36.     }
  37.  
  38.     clang_reparseTranslationUnit(mickey, 0, nullptr, 0);
  39.  
  40.     manager<CXTranslationUnit, clang_disposeTranslationUnit> managed_minnie(
  41.             clang_parseTranslationUnit(
  42.                 index,
  43.                 "minnie.cpp",
  44.                 nullptr,
  45.                 0,
  46.                 0,
  47.                 0,
  48.                 CXTranslationUnit_PrecompiledPreamble));
  49.     CXTranslationUnit minnie = managed_minnie;
  50.     if (!minnie)
  51.     {
  52.         std::cerr << "minnie parsing failed" << std::endl;
  53.         return 1;
  54.     }
  55.  
  56.     clang_reparseTranslationUnit(minnie, 0, nullptr, 0);
  57.  
  58.     CXFile file; 
  59.     unsigned line;
  60.     unsigned column;
  61.     unsigned offset;
  62.  
  63.     CXFile mickey_file = clang_getFile(mickey, "mickey.cpp");
  64.     CXSourceLocation mickey_location = clang_getLocation(mickey, mickey_file, 5, 5);
  65.     CXCursor mickey_cursor = clang_getCursor(mickey, mickey_location);
  66.     CXType mickey_type = clang_getCursorType(mickey_cursor);
  67.     CXCursor mickey_decl_cursor = clang_getTypeDeclaration(mickey_type);
  68.     CXSourceLocation mickey_decl_location = clang_getCursorLocation(mickey_decl_cursor);
  69.     clang_getExpansionLocation(mickey_decl_location, &file, &line, &column, &offset);
  70.     CXString mickey_decl_file_name = clang_getFileName(file);
  71.     const char *mickey_decl_cstr_file_name = clang_getCString(mickey_decl_file_name);
  72.  
  73.     std::cout << "beginning" << std::endl;
  74.     std::cout << mickey_decl_cstr_file_name << " " << line << " " << column << " " << offset << std::endl;
  75.  
  76.     return 0;
  77. }
  78.  
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https://ideone.com/N5kfSh
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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