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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/* Declaration for error-reporting function for Bison.
Copyright (C) 2000-2002, 2006, 2009-2013 Free Software Foundation,
Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT 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
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef COMPLAIN_H_
# define COMPLAIN_H_ 1
# include "location.h"
/* Sub-messages indent. */
# define SUB_INDENT (4)
/*-------------.
| --warnings. |
`-------------*/
/** The bits assigned to each warning type. */
typedef enum
{
warning_midrule_values, /**< Unset or unused midrule values. */
warning_yacc, /**< POSIXME. */
warning_conflicts_sr, /**< S/R conflicts. */
warning_conflicts_rr, /**< R/R conflicts. */
warning_empty_rule, /**< Implicitly empty rules. */
warning_deprecated, /**< Obsolete constructs. */
warning_precedence, /**< Useless precedence and associativity. */
warning_other, /**< All other warnings. */
warnings_size /**< The number of warnings. Must be last. */
} warning_bit;
/** Whether -Werror was set. */
extern bool warnings_are_errors;
/** Decode a single argument from -W.
*
* \param arg the subarguments to decode.
* If null, then activate all the flags.
* \param no length of the potential "no-" prefix.
* Can be 0 or 3. If 3, negate the action of the subargument.
* \param err length of a potential "error=".
* Can be 0 or 6. If 6, treat the subargument as a CATEGORY.
*
* If VALUE != 0 then KEY sets flags and no-KEY clears them.
* If VALUE == 0 then KEY clears all flags from \c all and no-KEY sets all
* flags from \c all. Thus no-none = all and no-all = none.
*/
void warning_argmatch (char const *arg, size_t no, size_t err);
/** Decode a comma-separated list of arguments from -W.
*
* \param args comma separated list of effective subarguments to decode.
* If 0, then activate all the flags.
*/
void warnings_argmatch (char *args);
/*-----------.
| complain. |
`-----------*/
/** Initialize this module. */
void complain_init (void);
typedef enum
{
/**< Issue no warnings. */
Wnone = 0,
Wmidrule_values = 1 << warning_midrule_values,
Wyacc = 1 << warning_yacc,
Wconflicts_sr = 1 << warning_conflicts_sr,
Wconflicts_rr = 1 << warning_conflicts_rr,
Wdeprecated = 1 << warning_deprecated,
Wempty_rule = 1 << warning_empty_rule,
Wprecedence = 1 << warning_precedence,
Wother = 1 << warning_other,
Werror = 1 << 10, /** This bit is no longer used. */
complaint = 1 << 11, /**< All complaints. */
fatal = 1 << 12, /**< All fatal errors. */
silent = 1 << 13, /**< Do not display the warning type. */
no_caret = 1 << 14, /**< Do not display caret location. */
/**< All above warnings. */
Weverything = ~complaint & ~fatal & ~silent,
Wall = Weverything & ~Wyacc
} warnings;
/** Whether the warnings of \a flags are all unset.
(Never enabled, never disabled). */
bool warning_is_unset (warnings flags);
/** Make a complaint, with maybe a location. */
void complain (location const *loc, warnings flags, char const *message, ...)
__attribute__ ((__format__ (__printf__, 3, 4)));
/** Likewise, but with an \a argc/argv interface. */
void complain_args (location const *loc, warnings w, unsigned *indent,
int argc, char *arg[]);
/** Make a complaint with location and some indentation. */
void complain_indent (location const *loc, warnings flags, unsigned *indent,
char const *message, ...)
__attribute__ ((__format__ (__printf__, 4, 5)));
/** Report an obsolete syntax, suggest the updated one. */
void deprecated_directive (location const *loc,
char const *obsolete, char const *updated);
/** Report a repeated directive for a rule. */
void duplicate_directive (char const *directive,
location first, location second);
/** Warnings treated as errors shouldn't stop the execution as regular
errors should (because due to their nature, it is safe to go
on). Thus, there are three possible execution statuses. */
typedef enum
{
status_none, /**< No diagnostic issued so far. */
status_warning_as_error, /**< A warning was issued (but no error). */
status_complaint /**< An error was issued. */
} err_status;
/** Whether an error was reported. */
extern err_status complaint_status;
#endif /* !COMPLAIN_H_ */
|
