127 lines
4.6 KiB
Ada
127 lines
4.6 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- S E M _ C H 2 --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 1992-2007, 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 3, 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 COPYING3. If not, go to --
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-- http://www.gnu.org/licenses for a complete copy of the license. --
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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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with Atree; use Atree;
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with Errout; use Errout;
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with Namet; use Namet;
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with Opt; use Opt;
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with Restrict; use Restrict;
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with Rident; use Rident;
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with Sem_Ch8; use Sem_Ch8;
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with Sinfo; use Sinfo;
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with Stand; use Stand;
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with Uintp; use Uintp;
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package body Sem_Ch2 is
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-------------------------------
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-- Analyze_Character_Literal --
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-------------------------------
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procedure Analyze_Character_Literal (N : Node_Id) is
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begin
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-- The type is eventually inherited from the context. If expansion
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-- has already established the proper type, do not modify it.
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if No (Etype (N)) then
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Set_Etype (N, Any_Character);
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end if;
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Set_Is_Static_Expression (N);
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if Comes_From_Source (N)
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and then not In_Character_Range (UI_To_CC (Char_Literal_Value (N)))
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then
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Check_Restriction (No_Wide_Characters, N);
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end if;
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end Analyze_Character_Literal;
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------------------------
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-- Analyze_Identifier --
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------------------------
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procedure Analyze_Identifier (N : Node_Id) is
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begin
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-- Ignore call if prior errors, and identifier has no name, since
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-- this is the result of some kind of previous error generating a
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-- junk identifier.
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if Chars (N) in Error_Name_Or_No_Name
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and then Total_Errors_Detected /= 0
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then
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return;
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else
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Find_Direct_Name (N);
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end if;
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end Analyze_Identifier;
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-----------------------------
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-- Analyze_Integer_Literal --
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-----------------------------
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procedure Analyze_Integer_Literal (N : Node_Id) is
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begin
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Set_Etype (N, Universal_Integer);
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Set_Is_Static_Expression (N);
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end Analyze_Integer_Literal;
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--------------------------
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-- Analyze_Real_Literal --
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--------------------------
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procedure Analyze_Real_Literal (N : Node_Id) is
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begin
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Set_Etype (N, Universal_Real);
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Set_Is_Static_Expression (N);
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end Analyze_Real_Literal;
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----------------------------
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-- Analyze_String_Literal --
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----------------------------
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procedure Analyze_String_Literal (N : Node_Id) is
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begin
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-- The type is eventually inherited from the context. If expansion
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-- has already established the proper type, do not modify it.
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if No (Etype (N)) then
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Set_Etype (N, Any_String);
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end if;
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-- String literals are static in Ada 95. Note that if the subtype
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-- turns out to be non-static, then the Is_Static_Expression flag
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-- will be reset in Eval_String_Literal.
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if Ada_Version >= Ada_95 then
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Set_Is_Static_Expression (N);
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end if;
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if Comes_From_Source (N) and then Has_Wide_Character (N) then
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Check_Restriction (No_Wide_Characters, N);
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end if;
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end Analyze_String_Literal;
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end Sem_Ch2;
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