1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1992-2005, 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;
30 with Restrict; use Restrict;
31 with Rident; use Rident;
32 with Sem_Ch8; use Sem_Ch8;
33 with Sinfo; use Sinfo;
34 with Stand; use Stand;
35 with Uintp; use Uintp;
37 package body Sem_Ch2 is
39 -------------------------------
40 -- Analyze_Character_Literal --
41 -------------------------------
43 procedure Analyze_Character_Literal (N : Node_Id) is
45 -- The type is eventually inherited from the context. If expansion
46 -- has already established the proper type, do not modify it.
48 if No (Etype (N)) then
49 Set_Etype (N, Any_Character);
52 Set_Is_Static_Expression (N);
54 if Comes_From_Source (N)
55 and then not In_Character_Range (UI_To_CC (Char_Literal_Value (N)))
57 Check_Restriction (No_Wide_Characters, N);
59 end Analyze_Character_Literal;
61 ------------------------
62 -- Analyze_Identifier --
63 ------------------------
65 procedure Analyze_Identifier (N : Node_Id) is
67 -- Ignore call if prior errors, and identifier has no name, since
68 -- this is the result of some kind of previous error generating a
71 if Chars (N) in Error_Name_Or_No_Name
72 and then Total_Errors_Detected /= 0
78 end Analyze_Identifier;
80 -----------------------------
81 -- Analyze_Integer_Literal --
82 -----------------------------
84 procedure Analyze_Integer_Literal (N : Node_Id) is
86 Set_Etype (N, Universal_Integer);
87 Set_Is_Static_Expression (N);
88 end Analyze_Integer_Literal;
90 --------------------------
91 -- Analyze_Real_Literal --
92 --------------------------
94 procedure Analyze_Real_Literal (N : Node_Id) is
96 Set_Etype (N, Universal_Real);
97 Set_Is_Static_Expression (N);
98 end Analyze_Real_Literal;
100 ----------------------------
101 -- Analyze_String_Literal --
102 ----------------------------
104 procedure Analyze_String_Literal (N : Node_Id) is
106 -- The type is eventually inherited from the context. If expansion
107 -- has already established the proper type, do not modify it.
109 if No (Etype (N)) then
110 Set_Etype (N, Any_String);
113 -- String literals are static in Ada 95. Note that if the subtype
114 -- turns out to be non-static, then the Is_Static_Expression flag
115 -- will be reset in Eval_String_Literal.
117 if Ada_Version >= Ada_95 then
118 Set_Is_Static_Expression (N);
121 if Comes_From_Source (N) and then Has_Wide_Character (N) then
122 Check_Restriction (No_Wide_Characters, N);
124 end Analyze_String_Literal;