1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 1997-9, 2000, 2006, 2010, 2011, 2014 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 #include "libpspp/compiler.h"
27 /* What kind of message is this? */
30 MSG_C_GENERAL, /* General info. */
31 MSG_C_SYNTAX, /* Messages that relate to syntax files. */
32 MSG_C_DATA, /* Messages that relate to data files. */
36 /* How important a condition is it? */
45 const char *msg_severity_to_string (enum msg_severity);
47 /* Combination of a category and a severity for convenience. */
50 ME, MW, MN, /* General error/warning/note. */
51 SE, SW, SN, /* Script error/warning/note. */
52 DE, DW, DN, /* Data-file error/note. */
56 static inline enum msg_category
57 msg_class_to_category (enum msg_class class)
62 static inline enum msg_severity
63 msg_class_to_severity (enum msg_class class)
68 static inline enum msg_class
69 msg_class_from_category_and_severity (enum msg_category category,
70 enum msg_severity severity)
72 return category * 3 + severity;
77 int line; /* 1-based line number, or 0 if none. */
78 int column; /* 1-based column number, or 0 if none. */
83 const char *file_name; /* Interned file name, or NULL. */
84 struct lex_source *src;
85 struct msg_point p[2];
88 void msg_location_uninit (struct msg_location *);
89 void msg_location_destroy (struct msg_location *);
90 struct msg_location *msg_location_dup (const struct msg_location *);
92 void msg_location_merge (struct msg_location **, const struct msg_location *);
94 bool msg_location_is_empty (const struct msg_location *);
95 void msg_location_format (const struct msg_location *, struct string *);
99 struct msg_location *location;
103 void msg_stack_destroy (struct msg_stack *);
104 struct msg_stack *msg_stack_dup (const struct msg_stack *);
109 enum msg_category category; /* Message category. */
110 enum msg_severity severity; /* Message severity. */
111 struct msg_location *location; /* Code location. */
112 struct msg_stack **stack;
114 char *command_name; /* Name of erroneous command, or NULL. */
115 char *text; /* Error text. */
118 /* Initialization. */
119 void msg_set_handler (void (*handler) (const struct msg *, void *lexer),
122 /* Working with messages. */
123 struct msg *msg_dup (const struct msg *);
124 void msg_destroy(struct msg *);
125 char *msg_to_string (const struct msg *);
127 /* Emitting messages. */
128 void vmsg (enum msg_class, const struct msg_location *,
129 const char *format, va_list args)
130 PRINTF_FORMAT (3, 0);
131 void msg (enum msg_class, const char *format, ...)
132 PRINTF_FORMAT (2, 3);
133 void msg_at (enum msg_class, const struct msg_location *,
134 const char *format, ...)
135 PRINTF_FORMAT (3, 4);
136 void msg_emit (struct msg *);
138 void msg_error (int errnum, const char *format, ...)
139 PRINTF_FORMAT (2, 3);
142 /* Enable and disable messages. */
143 void msg_enable (void);
144 void msg_disable (void);
147 bool msg_ui_too_many_errors (void);
148 void msg_ui_reset_counts (void);
149 bool msg_ui_any_errors (void);
150 void msg_ui_disable_warnings (bool);
153 /* Used in panic situations only. */
154 const char * prepare_diagnostic_information (void);
155 const char * prepare_fatal_error_message (void);
156 void request_bug_report (const char *msg);
159 #endif /* message.h */