1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
11 -- Copyright (C) 1992-2001, Free Software Foundation, Inc. --
13 -- GNAT is free software; you can redistribute it and/or modify it under --
14 -- terms of the GNU General Public License as published by the Free Soft- --
15 -- ware Foundation; either version 2, or (at your option) any later ver- --
16 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
17 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
18 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
19 -- for more details. You should have received a copy of the GNU General --
20 -- Public License distributed with GNAT; see file COPYING. If not, write --
21 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
22 -- MA 02111-1307, USA. --
24 -- GNAT was originally developed by the GNAT team at New York University. --
25 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
27 ------------------------------------------------------------------------------
29 with Atree; use Atree;
30 with Errout; use Errout;
32 with Restrict; use Restrict;
33 with Sem_Ch8; use Sem_Ch8;
34 with Sinfo; use Sinfo;
35 with Stand; use Stand;
37 package body Sem_Ch2 is
39 -------------------------------
40 -- Analyze_Character_Literal --
41 -------------------------------
43 procedure Analyze_Character_Literal (N : Node_Id) is
46 -- The type is eventually inherited from the context. If expansion
47 -- has already established the proper type, do not modify it.
49 if No (Etype (N)) then
50 Set_Etype (N, Any_Character);
53 Set_Is_Static_Expression (N);
55 if Comes_From_Source (N)
56 and then not In_Character_Range (Char_Literal_Value (N))
58 Check_Restriction (No_Wide_Characters, N);
60 end Analyze_Character_Literal;
62 ------------------------
63 -- Analyze_Identifier --
64 ------------------------
66 procedure Analyze_Identifier (N : Node_Id) is
68 -- Ignore call if prior errors, and identifier has no name, since
69 -- this is the result of some kind of previous error generating a
72 if Chars (N) in Error_Name_Or_No_Name
73 and then Total_Errors_Detected /= 0
79 end Analyze_Identifier;
81 -----------------------------
82 -- Analyze_Integer_Literal --
83 -----------------------------
85 procedure Analyze_Integer_Literal (N : Node_Id) is
87 Set_Etype (N, Universal_Integer);
88 Set_Is_Static_Expression (N);
89 end Analyze_Integer_Literal;
91 --------------------------
92 -- Analyze_Real_Literal --
93 --------------------------
95 procedure Analyze_Real_Literal (N : Node_Id) is
97 Set_Etype (N, Universal_Real);
98 Set_Is_Static_Expression (N);
99 end Analyze_Real_Literal;
101 ----------------------------
102 -- Analyze_String_Literal --
103 ----------------------------
105 procedure Analyze_String_Literal (N : Node_Id) is
108 -- The type is eventually inherited from the context. If expansion
109 -- has already established the proper type, do not modify it.
111 if No (Etype (N)) then
112 Set_Etype (N, Any_String);
115 -- String literals are static in Ada 95. Note that if the subtype
116 -- turns out to be non-static, then the Is_Static_Expression flag
117 -- will be reset in Eval_String_Literal.
120 Set_Is_Static_Expression (N);
123 if Comes_From_Source (N) and then Has_Wide_Character (N) then
124 Check_Restriction (No_Wide_Characters, N);
126 end Analyze_String_Literal;