70 lines
4.2 KiB
Ada
70 lines
4.2 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- S I N F O . C N --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1992-2001, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 2, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING. If not, write --
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-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
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-- Boston, MA 02110-1301, USA. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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-- This child package of Sinfo contains some routines that permit in place
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-- alteration of existing tree nodes by changing the value in the Nkind
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-- field. Since Nkind functions logically in a manner similar to a variant
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-- record discriminant part, such alterations cannot be permitted in a
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-- general manner, but in some specific cases, the fields of related nodes
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-- have been deliberately laid out in a manner that permits such alteration.
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package Sinfo.CN is
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procedure Change_Identifier_To_Defining_Identifier (N : in out Node_Id);
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-- N must refer to a node of type N_Identifier. This node is modified to
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-- be of type N_Defining_Identifier. The scanner always returns identifiers
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-- as N_Identifier. The parser then uses this routine to change the node
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-- to be a defining identifier where the context demands it. This routine
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-- also allocates the necessary extension node. Note that this procedure
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-- may (but is not required to) change the Id of the node in question.
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procedure Change_Character_Literal_To_Defining_Character_Literal
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(N : in out Node_Id);
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-- Similar processing for a character literal
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procedure Change_Operator_Symbol_To_Defining_Operator_Symbol
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(N : in out Node_Id);
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-- Similar processing for an operator symbol
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procedure Change_Conversion_To_Unchecked (N : Node_Id);
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-- Change checked conversion node to unchecked conversion node, clearing
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-- irrelevant check flags (other fields in the two nodes are identical)
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procedure Change_Operator_Symbol_To_String_Literal (N : Node_Id);
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-- The scanner returns any string that looks like an operator symbol as
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-- a N_Operator_Symbol node. The parser then uses this procedure to change
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-- the node to a normal N_String_Literal node if the context is not one
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-- in which an operator symbol is required. There are some cases where the
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-- parser cannot tell, in which case this transformation happens later on.
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procedure Change_Selected_Component_To_Expanded_Name (N : Node_Id);
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-- The parser always generates Selected_Component nodes. The semantics
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-- modifies these to Expanded_Name nodes where appropriate. Note that
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-- on return the Chars field is set to a copy of the contents of the
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-- Chars field of the Selector_Name field.
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end Sinfo.CN;
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