Esempi in C++ (Cpp) per choose_personality_routine

Esempio n. 1

File: except.c Progetto: crystax/android-toolchain-gcc-4-9

static void
initialize_handler_parm (tree decl, tree exp)
{
  tree init;
  tree init_type;

  /* Make sure we mark the catch param as used, otherwise we'll get a
     warning about an unused ((anonymous)).  */
  TREE_USED (decl) = 1;
  DECL_READ_P (decl) = 1;

  /* Figure out the type that the initializer is.  Pointers are returned
     adjusted by value from __cxa_begin_catch.  Others are returned by
     reference.  */
  init_type = TREE_TYPE (decl);
  if (!POINTER_TYPE_P (init_type))
    init_type = build_reference_type (init_type);

  choose_personality_routine (decl_is_java_type (init_type, 0)
			      ? lang_java : lang_cplusplus);

  /* Since pointers are passed by value, initialize a reference to
     pointer catch parm with the address of the temporary.  */
  if (TREE_CODE (init_type) == REFERENCE_TYPE
      && TYPE_PTR_P (TREE_TYPE (init_type)))
    exp = cp_build_addr_expr (exp, tf_warning_or_error);

  exp = ocp_convert (init_type, exp, CONV_IMPLICIT|CONV_FORCE_TEMP, 0,
		     tf_warning_or_error);

  init = convert_from_reference (exp);

  /* If the constructor for the catch parm exits via an exception, we
     must call terminate.  See eh23.C.  */
  if (TYPE_NEEDS_CONSTRUCTING (TREE_TYPE (decl)))
    {
      /* Generate the copy constructor call directly so we can wrap it.
	 See also expand_default_init.  */
      init = ocp_convert (TREE_TYPE (decl), init,
			  CONV_IMPLICIT|CONV_FORCE_TEMP, 0,
			  tf_warning_or_error);
      /* Force cleanups now to avoid nesting problems with the
	 MUST_NOT_THROW_EXPR.  */
      init = fold_build_cleanup_point_expr (TREE_TYPE (init), init);
      init = build_must_not_throw_expr (init, NULL_TREE);
    }

  decl = pushdecl (decl);

  start_decl_1 (decl, true);
  cp_finish_decl (decl, init, /*init_const_expr_p=*/false, NULL_TREE,
		  LOOKUP_ONLYCONVERTING|DIRECT_BIND);
}

Esempio n. 2

File: except.c Progetto: Fokycnuk/gcc

static void 
initialize_handler_parm (tree decl, tree exp)
{
  tree init;
  tree init_type;

  /* Make sure we mark the catch param as used, otherwise we'll get a
     warning about an unused ((anonymous)).  */
  TREE_USED (decl) = 1;

  /* Figure out the type that the initializer is.  Pointers are returned
     adjusted by value from __cxa_begin_catch.  Others are returned by 
     reference.  */
  init_type = TREE_TYPE (decl);
  if (! TYPE_PTR_P (init_type)
      && TREE_CODE (init_type) != REFERENCE_TYPE)
    init_type = build_reference_type (init_type);

  choose_personality_routine (decl_is_java_type (init_type, 0)
			      ? lang_java : lang_cplusplus);

  /* Since pointers are passed by value, initialize a reference to
     pointer catch parm with the address of the temporary.  */
  if (TREE_CODE (init_type) == REFERENCE_TYPE
      && TYPE_PTR_P (TREE_TYPE (init_type)))
    exp = build_unary_op (ADDR_EXPR, exp, 1);

  exp = ocp_convert (init_type, exp, CONV_IMPLICIT|CONV_FORCE_TEMP, 0);

  init = convert_from_reference (exp);

  /* If the constructor for the catch parm exits via an exception, we
     must call terminate.  See eh23.C.  */
  if (TYPE_NEEDS_CONSTRUCTING (TREE_TYPE (decl)))
    {
      /* Generate the copy constructor call directly so we can wrap it.
	 See also expand_default_init.  */
      init = ocp_convert (TREE_TYPE (decl), init,
			  CONV_IMPLICIT|CONV_FORCE_TEMP, 0);
      init = build1 (MUST_NOT_THROW_EXPR, TREE_TYPE (init), init);
    }

  /* Let `cp_finish_decl' know that this initializer is ok.  */
  DECL_INITIAL (decl) = error_mark_node;
  decl = pushdecl (decl);

  start_decl_1 (decl);
  cp_finish_decl (decl, init, NULL_TREE,
		  LOOKUP_ONLYCONVERTING|DIRECT_BIND);
}