1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S E M _ C H 2 --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2001, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
-- MA 02111-1307, USA. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
with Atree; use Atree;
with Errout; use Errout;
with Opt; use Opt;
with Restrict; use Restrict;
with Sem_Ch8; use Sem_Ch8;
with Sinfo; use Sinfo;
with Stand; use Stand;
package body Sem_Ch2 is
-------------------------------
-- Analyze_Character_Literal --
-------------------------------
procedure Analyze_Character_Literal (N : Node_Id) is
begin
-- The type is eventually inherited from the context. If expansion
-- has already established the proper type, do not modify it.
if No (Etype (N)) then
Set_Etype (N, Any_Character);
end if;
Set_Is_Static_Expression (N);
if Comes_From_Source (N)
and then not In_Character_Range (Char_Literal_Value (N))
then
Check_Restriction (No_Wide_Characters, N);
end if;
end Analyze_Character_Literal;
------------------------
-- Analyze_Identifier --
------------------------
procedure Analyze_Identifier (N : Node_Id) is
begin
-- Ignore call if prior errors, and identifier has no name, since
-- this is the result of some kind of previous error generating a
-- junk identifier.
if Chars (N) in Error_Name_Or_No_Name
and then Total_Errors_Detected /= 0
then
return;
else
Find_Direct_Name (N);
end if;
end Analyze_Identifier;
-----------------------------
-- Analyze_Integer_Literal --
-----------------------------
procedure Analyze_Integer_Literal (N : Node_Id) is
begin
Set_Etype (N, Universal_Integer);
Set_Is_Static_Expression (N);
end Analyze_Integer_Literal;
--------------------------
-- Analyze_Real_Literal --
--------------------------
procedure Analyze_Real_Literal (N : Node_Id) is
begin
Set_Etype (N, Universal_Real);
Set_Is_Static_Expression (N);
end Analyze_Real_Literal;
----------------------------
-- Analyze_String_Literal --
----------------------------
procedure Analyze_String_Literal (N : Node_Id) is
begin
-- The type is eventually inherited from the context. If expansion
-- has already established the proper type, do not modify it.
if No (Etype (N)) then
Set_Etype (N, Any_String);
end if;
-- String literals are static in Ada 95. Note that if the subtype
-- turns out to be non-static, then the Is_Static_Expression flag
-- will be reset in Eval_String_Literal.
if Ada_95 then
Set_Is_Static_Expression (N);
end if;
if Comes_From_Source (N) and then Has_Wide_Character (N) then
Check_Restriction (No_Wide_Characters, N);
end if;
end Analyze_String_Literal;
end Sem_Ch2;
|
