Some more complex example

  • constant
  • C++
  • 23 Feb 2015 
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RemoveWhiteSpaces {

  e.Head ' ' '+' e.Tail = <RemoveWhiteSpaces e.Head '+' e.Tail>;

  e.Head '+' ' ' e.Tail = <RemoveWhiteSpaces e.Head '+' e.Tail>;

  e.Head ' ' '*' e.Tail = <RemoveWhiteSpaces e.Head '*' e.Tail>;

  e.Head '*' ' ' e.Tail = <RemoveWhiteSpaces e.Head '*' e.Tail>;

  e.All = e.All;

}



static refalrts::FnResult RemoveWhiteSpaces(refalrts::Rope<refalrts::Node> arg, refalrts::Iter begin, refalrts::Iter end) {

  refalrts::this_is_generated_function();

  do {

    refalrts::Rope<refalrts::Node> rope_0 = arg;

    size_t rope_0_lshift = 0;

    size_t rope_0_rshift = 0;

    size_t rope_0_lshift_saved = 0;

    size_t rope_0_rshift_saved = 0;

    static refalrts::Node eHead;

    refalrts::use(eHead);

    static refalrts::Node eTail;

    refalrts::use(eTail);

    rope_0_lshift_saved = rope_0_lshift;

    rope_0_rshift_saved = rope_0_rshift;

    for(rope_0_lshift=rope_0_lshift_saved+1; rope_0_lshift<rope_0_rshift; rope_0_lshift++) {

      get_closed_evar(eHead, rope_0, rope_0_lshift_saved, rope_0_lshift);

      std::vector<refalrts::Node> v_0_left_0 = read_vector_left(rope_0, rope_0_lshift, rope_0_rshift, 2);

      if (!char_check( v_0_left_0[0], ' '))

        continue;

      if (!char_check( v_0_left_0[1], '+'))

        continue;

      get_closed_evar( eTail, rope_0, rope_0_lshift, rope_0_rshift);



      refalrts::reset_allocator();

      auto res = refalrts::alloc_node_list(5);

      refalrts::fill_open_call_node(res[0], & RemoveWhiteSpaces, "RemoveWhiteSpaces");

      refalrts::fill_evar_node(res[1], eHead);

      refalrts::fill_char_node(res[2], '+');

      refalrts::fill_evar_node(res[3], eTail);

      refalrts::fill_close_call_node(res[4]);

      refalrts::push_stack( res[4] );

      refalrts::push_stack( res[0] );

      refalrts::splice_to_freelist( begin, end );

      refalrts::insert_sublist( begin, res[0], res[res.size() - 1]);

      return refalrts::cSuccess;

    }

  } while ( 0 );



  do {

    refalrts::Rope<refalrts::Node> rope_0 = arg;

    size_t rope_0_lshift = 0;

    size_t rope_0_rshift = 0;

    size_t rope_0_lshift_saved = 0;

    size_t rope_0_rshift_saved = 0;

    static refalrts::Node eHead;

    refalrts::use(eHead);

    static refalrts::Node eTail;

    refalrts::use(eTail);

    rope_0_lshift_saved = rope_0_lshift;

    rope_0_rshift_saved = rope_0_rshift;

    for(rope_0_lshift=rope_0_lshift_saved+1; rope_0_lshift<rope_0_rshift; rope_0_lshift++) {

      get_closed_evar(eHead, rope_0, rope_0_lshift_saved, rope_0_lshift);

      std::vector<refalrts::Node> v_0_left_0 = read_vector_left(rope_0, rope_0_lshift, rope_0_rshift, 2);

      if (!char_check( v_0_left_0[0], '+'))

        continue;

      if (!char_check( v_0_left_0[1], ' '))

        continue;

      get_closed_evar( eTail, rope_0, rope_0_lshift, rope_0_rshift);



      refalrts::reset_allocator();

      auto res = refalrts::alloc_node_list(5);

      refalrts::fill_open_call_node(res[0], & RemoveWhiteSpaces, "RemoveWhiteSpaces");

      refalrts::fill_evar_node(res[1], eHead);

      refalrts::fill_char_node(res[2], '+');

      refalrts::fill_evar_node(res[3], eTail);

      refalrts::fill_close_call_node(res[4]);

      refalrts::push_stack( res[4] );

      refalrts::push_stack( res[0] );

      refalrts::splice_to_freelist( begin, end );

      refalrts::insert_sublist( begin, res[0], res[res.size() - 1]);

      return refalrts::cSuccess;

    }

  } while ( 0 );



  do {

    refalrts::Rope<refalrts::Node> rope_0 = arg;

    size_t rope_0_lshift = 0;

    size_t rope_0_rshift = 0;

    size_t rope_0_lshift_saved = 0;

    size_t rope_0_rshift_saved = 0;

    static refalrts::Node eHead;

    refalrts::use(eHead);

    static refalrts::Node eTail;

    refalrts::use(eTail);

    rope_0_lshift_saved = rope_0_lshift;

    rope_0_rshift_saved = rope_0_rshift;

    for(rope_0_lshift=rope_0_lshift_saved+1; rope_0_lshift<rope_0_rshift; rope_0_lshift++) {

      get_closed_evar(eHead, rope_0, rope_0_lshift_saved, rope_0_lshift);

      std::vector<refalrts::Node> v_0_left_0 = read_vector_left(rope_0, rope_0_lshift, rope_0_rshift, 2);

      if (!char_check( v_0_left_0[0], ' '))

        continue;

      if (!char_check( v_0_left_0[1], '*'))

        continue;

      get_closed_evar( eTail, rope_0, rope_0_lshift, rope_0_rshift);



      refalrts::reset_allocator();

      auto res = refalrts::alloc_node_list(5);

      refalrts::fill_open_call_node(res[0], & RemoveWhiteSpaces, "RemoveWhiteSpaces");

      refalrts::fill_evar_node(res[1], eHead);

      refalrts::fill_char_node(res[2], '*');

      refalrts::fill_evar_node(res[3], eTail);

      refalrts::fill_close_call_node(res[4]);

      refalrts::push_stack( res[4] );

      refalrts::push_stack( res[0] );

      refalrts::splice_to_freelist( begin, end );

      refalrts::insert_sublist( begin, res[0], res[res.size() - 1]);

      return refalrts::cSuccess;

    }

  } while ( 0 );



  do {

    refalrts::Rope<refalrts::Node> rope_0 = arg;

    size_t rope_0_lshift = 0;

    size_t rope_0_rshift = 0;

    size_t rope_0_lshift_saved = 0;

    size_t rope_0_rshift_saved = 0;

    static refalrts::Node eHead;

    refalrts::use(eHead);

    static refalrts::Node eTail;

    refalrts::use(eTail);

    rope_0_lshift_saved = rope_0_lshift;

    rope_0_rshift_saved = rope_0_rshift;

    for(rope_0_lshift=rope_0_lshift_saved+1; rope_0_lshift<rope_0_rshift; rope_0_lshift++) {

      get_closed_evar(eHead, rope_0, rope_0_lshift_saved, rope_0_lshift);

      std::vector<refalrts::Node> v_0_left_0 = read_vector_left(rope_0, rope_0_lshift, rope_0_rshift, 2);

      if (!char_check( v_0_left_0[0], '*'))

        continue;

      if (!char_check( v_0_left_0[1], ' '))

        continue;

      get_closed_evar( eTail, rope_0, rope_0_lshift, rope_0_rshift);



      refalrts::reset_allocator();

      auto res = refalrts::alloc_node_list(5);

      refalrts::fill_open_call_node(res[0], & RemoveWhiteSpaces, "RemoveWhiteSpaces");

      refalrts::fill_evar_node(res[1], eHead);

      refalrts::fill_char_node(res[2], '*');

      refalrts::fill_evar_node(res[3], eTail);

      refalrts::fill_close_call_node(res[4]);

      refalrts::push_stack( res[4] );

      refalrts::push_stack( res[0] );

      refalrts::splice_to_freelist( begin, end );

      refalrts::insert_sublist( begin, res[0], res[res.size() - 1]);

      return refalrts::cSuccess;

    }

  } while ( 0 );



  do {

    refalrts::Rope<refalrts::Node> rope_0 = arg;

    size_t rope_0_lshift = 0;

    size_t rope_0_rshift = 0;

    size_t rope_0_lshift_saved = 0;

    size_t rope_0_rshift_saved = 0;

    static refalrts::Node eAll;

    refalrts::use(eAll);

    get_closed_evar( eAll, rope_0, rope_0_lshift, rope_0_rshift);



    refalrts::reset_allocator();

    auto res = refalrts::alloc_node_list(1);

    refalrts::fill_evar_node(res[0], eAll);

    refalrts::splice_to_freelist( begin, end );

    refalrts::insert_sublist( begin, res[0], res[res.size() - 1]);

    return refalrts::cSuccess;

  } while ( 0 );



  return refalrts::cRecognitionImpossible;

}
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