clang_test.cpp

// clang++ -std=c++1y -stdlib=libc++ clang_test.cpp -lc++abi -lclang

#include <string>
#include <vector>
#include <sstream>
#include <algorithm>
#include <stdexcept>
#include <fstream>
#include <iostream>
#include <array>

#include <clang-c/Index.h>

CXChildVisitResult visit(CXCursor const cursor, CXCursor const parent,
                         CXClientData const)
{
  auto const spell(clang_getCursorSpelling(cursor));
  auto const range(clang_getCursorExtent(cursor));
  auto const start(clang_getRangeStart(range));
  auto const end(clang_getRangeEnd(range));

  CXFile cxfile;
  unsigned start_line{}, start_col{}, start_offset{};
  unsigned end_line{}, end_col{}, end_offset{};
  clang_getSpellingLocation(start, &cxfile, &start_line, &start_col, &start_offset);
  clang_getSpellingLocation(end, &cxfile, &end_line, &end_col, &end_offset);

  std::cout << clang_getCString(spell) << ", ";
  std::cout << start_line << ":" << start_col << " -> "
    << end_line << ":" << end_col << ", ";
  std::cout <<
    clang_getCString(clang_getCursorKindSpelling(clang_getCursorKind(cursor)))
    << ", ";
  std::cout <<
    clang_getCString(clang_getTypeKindSpelling(clang_getCursorType(cursor).kind))
    << ", ";
  std::cout <<
    clang_getCString(clang_getCursorDisplayName(cursor))
    << std::endl;

  return CXChildVisit_Recurse;
}

int main()
{
  char const * const args[]{ "-I/usr/include", "-I.", "-std=c++11" };

  std::string const filename{ "foo.cpp" };
  CXIndex const index{ clang_createIndex(true, true) };
  CXTranslationUnit const tu
  { clang_parseTranslationUnit(index, filename.c_str(),
      args, sizeof(args) / sizeof(char const*), nullptr,
      0, CXTranslationUnit_None) };

  clang_visitChildren(clang_getTranslationUnitCursor(tu), &visit, nullptr);

  clang_disposeTranslationUnit(tu);
  clang_disposeIndex(index);
}