+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- S I N F O . C N --
--- --
--- B o d y --
--- --
--- $Revision: 1.1.16.1 $
--- --
--- Copyright (C) 1992-2001 Free Software Foundation, Inc. --
--- --
--- GNAT is free software; you can redistribute it and/or modify it under --
--- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
--- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
--- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
--- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
--- This child package of Sinfo contains some routines that permit in place
--- alteration of existing tree nodes by changing the value in the Nkind
--- field. Since Nkind functions logically in a manner similart to a variant
--- record discriminant part, such alterations cannot be permitted in a
--- general manner, but in some specific cases, the fields of related nodes
--- have been deliberately layed out in a manner that permits such alteration.
--- that determin
-
-with Atree; use Atree;
-
-package body Sinfo.CN is
-
- use Atree.Unchecked_Access;
- -- This package is one of the few packages which is allowed to make direct
- -- references to tree nodes (since it is in the business of providing a
- -- higher level of tree access which other clients are expected to use and
- -- which implements checks).
-
- ------------------------------------------------------------
- -- Change_Character_Literal_To_Defining_Character_Literal --
- ------------------------------------------------------------
-
- procedure Change_Character_Literal_To_Defining_Character_Literal
- (N : in out Node_Id)
- is
- begin
- Set_Nkind (N, N_Defining_Character_Literal);
- N := Extend_Node (N);
- end Change_Character_Literal_To_Defining_Character_Literal;
-
- ------------------------------------
- -- Change_Conversion_To_Unchecked --
- ------------------------------------
-
- procedure Change_Conversion_To_Unchecked (N : Node_Id) is
- begin
- Set_Do_Overflow_Check (N, False);
- Set_Do_Tag_Check (N, False);
- Set_Do_Length_Check (N, False);
- Set_Nkind (N, N_Unchecked_Type_Conversion);
- end Change_Conversion_To_Unchecked;
-
- ----------------------------------------------
- -- Change_Identifier_To_Defining_Identifier --
- ----------------------------------------------
-
- procedure Change_Identifier_To_Defining_Identifier (N : in out Node_Id) is
- begin
- Set_Nkind (N, N_Defining_Identifier);
- N := Extend_Node (N);
- end Change_Identifier_To_Defining_Identifier;
-
- --------------------------------------------------------
- -- Change_Operator_Symbol_To_Defining_Operator_Symbol --
- --------------------------------------------------------
-
- procedure Change_Operator_Symbol_To_Defining_Operator_Symbol
- (N : in out Node_Id)
- is
- begin
- Set_Nkind (N, N_Defining_Operator_Symbol);
- Set_Node2 (N, Empty); -- Clear unused Str2 field
- N := Extend_Node (N);
- end Change_Operator_Symbol_To_Defining_Operator_Symbol;
-
- ----------------------------------------------
- -- Change_Operator_Symbol_To_String_Literal --
- ----------------------------------------------
-
- procedure Change_Operator_Symbol_To_String_Literal (N : Node_Id) is
- begin
- Set_Nkind (N, N_String_Literal);
- Set_Node1 (N, Empty); -- clear Name1 field
- end Change_Operator_Symbol_To_String_Literal;
-
- ------------------------------------------------
- -- Change_Selected_Component_To_Expanded_Name --
- ------------------------------------------------
-
- procedure Change_Selected_Component_To_Expanded_Name (N : Node_Id) is
- begin
- Set_Nkind (N, N_Expanded_Name);
- Set_Chars (N, Chars (Selector_Name (N)));
- end Change_Selected_Component_To_Expanded_Name;
-
-end Sinfo.CN;
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