1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1992-2011, 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 3, 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 COPYING3. If not, go to --
19 -- http://www.gnu.org/licenses for a complete copy of the license. --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
24 ------------------------------------------------------------------------------
26 with Atree; use Atree;
27 with Einfo; use Einfo;
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 Sem_Util; use Sem_Util;
35 with Sinfo; use Sinfo;
36 with Stand; use Stand;
37 with Uintp; use Uintp;
39 package body Sem_Ch2 is
41 -------------------------------
42 -- Analyze_Character_Literal --
43 -------------------------------
45 procedure Analyze_Character_Literal (N : Node_Id) is
47 -- The type is eventually inherited from the context. If expansion
48 -- has already established the proper type, do not modify it.
50 if No (Etype (N)) then
51 Set_Etype (N, Any_Character);
54 Set_Is_Static_Expression (N);
56 if Comes_From_Source (N)
57 and then not In_Character_Range (UI_To_CC (Char_Literal_Value (N)))
59 Check_Restriction (No_Wide_Characters, N);
61 end Analyze_Character_Literal;
63 ------------------------
64 -- Analyze_Identifier --
65 ------------------------
67 procedure Analyze_Identifier (N : Node_Id) is
69 -- Ignore call if prior errors, and identifier has no name, since
70 -- this is the result of some kind of previous error generating a
73 if Chars (N) in Error_Name_Or_No_Name
74 and then Total_Errors_Detected /= 0
80 if Present (Entity (N))
81 and then Is_Object (Entity (N))
82 and then not Is_In_ALFA (Entity (N))
84 Mark_Non_ALFA_Subprogram ("object is not in ALFA", N);
87 end Analyze_Identifier;
89 -----------------------------
90 -- Analyze_Integer_Literal --
91 -----------------------------
93 procedure Analyze_Integer_Literal (N : Node_Id) is
95 Set_Etype (N, Universal_Integer);
96 Set_Is_Static_Expression (N);
97 end Analyze_Integer_Literal;
99 --------------------------
100 -- Analyze_Real_Literal --
101 --------------------------
103 procedure Analyze_Real_Literal (N : Node_Id) is
105 Set_Etype (N, Universal_Real);
106 Set_Is_Static_Expression (N);
107 end Analyze_Real_Literal;
109 ----------------------------
110 -- Analyze_String_Literal --
111 ----------------------------
113 procedure Analyze_String_Literal (N : Node_Id) is
115 -- The type is eventually inherited from the context. If expansion
116 -- has already established the proper type, do not modify it.
118 if No (Etype (N)) then
119 Set_Etype (N, Any_String);
122 -- String literals are static in Ada 95. Note that if the subtype
123 -- turns out to be non-static, then the Is_Static_Expression flag
124 -- will be reset in Eval_String_Literal.
126 if Ada_Version >= Ada_95 then
127 Set_Is_Static_Expression (N);
130 if Comes_From_Source (N) and then Has_Wide_Character (N) then
131 Check_Restriction (No_Wide_Characters, N);
133 end Analyze_String_Literal;