| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- S I N F O . C N -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- Copyright (C) 1992-2006, 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, 51 Franklin Street, Fifth Floor, -- |
| -- Boston, MA 02110-1301, 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 similar 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; |
