1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1992-2007, Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 2, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
22 -- GNAT was originally developed by the GNAT team at New York University. --
23 -- Extensive contributions were provided by Ada Core Technologies Inc. --
25 ------------------------------------------------------------------------------
27 with Atree; use Atree;
28 with Errout; use Errout;
29 with Namet; use Namet;
31 with Restrict; use Restrict;
32 with Rident; use Rident;
33 with Sem_Ch8; use Sem_Ch8;
34 with Sinfo; use Sinfo;
35 with Stand; use Stand;
36 with Uintp; use Uintp;
38 package body Sem_Ch2 is
40 -------------------------------
41 -- Analyze_Character_Literal --
42 -------------------------------
44 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 (UI_To_CC (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
107 -- The type is eventually inherited from the context. If expansion
108 -- has already established the proper type, do not modify it.
110 if No (Etype (N)) then
111 Set_Etype (N, Any_String);
114 -- String literals are static in Ada 95. Note that if the subtype
115 -- turns out to be non-static, then the Is_Static_Expression flag
116 -- will be reset in Eval_String_Literal.
118 if Ada_Version >= Ada_95 then
119 Set_Is_Static_Expression (N);
122 if Comes_From_Source (N) and then Has_Wide_Character (N) then
123 Check_Restriction (No_Wide_Characters, N);
125 end Analyze_String_Literal;