File : prj-err.adb
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- P R J . E R R --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 2002-2014, Free Software Foundation, Inc. --
10 -- --
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. --
20 -- --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
23 -- --
24 ------------------------------------------------------------------------------
25
26 with Err_Vars;
27 with Output; use Output;
28 with Stringt; use Stringt;
29
30 package body Prj.Err is
31
32 ---------------
33 -- Post_Scan --
34 ---------------
35
36 procedure Post_Scan is
37 Debug_Tokens : constant Boolean := False;
38
39 begin
40 -- Change operator symbol to literal strings, since that's the way
41 -- we treat all strings in a project file.
42
43 if Token = Tok_Operator_Symbol
44 or else Token = Tok_String_Literal
45 then
46 Token := Tok_String_Literal;
47 String_To_Name_Buffer (String_Literal_Id);
48 Token_Name := Name_Find;
49 end if;
50
51 if Debug_Tokens then
52 Write_Line (Token_Type'Image (Token));
53
54 if Token = Tok_Identifier
55 or else Token = Tok_String_Literal
56 then
57 Write_Line (" " & Get_Name_String (Token_Name));
58 end if;
59 end if;
60 end Post_Scan;
61
62 ---------------
63 -- Error_Msg --
64 ---------------
65
66 procedure Error_Msg
67 (Flags : Processing_Flags;
68 Msg : String;
69 Location : Source_Ptr := No_Location;
70 Project : Project_Id := null)
71 is
72 Real_Location : Source_Ptr := Location;
73
74 begin
75 -- Don't post message if incompleted with's (avoid junk cascaded errors)
76
77 if Flags.Incomplete_Withs then
78 return;
79 end if;
80
81 -- Display the error message in the traces so that it appears in the
82 -- correct location in the traces (otherwise error messages are only
83 -- displayed at the end and it is difficult to see when they were
84 -- triggered)
85
86 if Current_Verbosity = High then
87 Debug_Output ("ERROR: " & Msg);
88 end if;
89
90 -- If location of error is unknown, use the location of the project
91
92 if Real_Location = No_Location
93 and then Project /= null
94 then
95 Real_Location := Project.Location;
96 end if;
97
98 if Real_Location = No_Location then
99
100 -- If still null, we are parsing a project that was created in-memory
101 -- so we shouldn't report errors for projects that the user has no
102 -- access to in any case.
103
104 if Current_Verbosity = High then
105 Debug_Output ("Error in in-memory project, ignored");
106 end if;
107
108 return;
109 end if;
110
111 -- Report the error through Errutil, so that duplicate errors are
112 -- properly removed, messages are sorted, and correctly interpreted,...
113
114 Errutil.Error_Msg (Msg, Real_Location);
115
116 -- Let the application know there was an error
117
118 if Flags.Report_Error /= null then
119 Flags.Report_Error
120 (Project,
121 Is_Warning =>
122 Msg (Msg'First) = '?'
123 or else (Msg (Msg'First) = '<'
124 and then Err_Vars.Error_Msg_Warn)
125 or else (Msg (Msg'First) = '\'
126 and then Msg (Msg'First + 1) = '<'
127 and then Err_Vars.Error_Msg_Warn));
128 end if;
129 end Error_Msg;
130
131 end Prj.Err;