1 #ifndef XDVI_DEBUG_H_
2 #define XDVI_DEBUG_H_
3 
4 /*
5  * Copyright (c) 2002-2013 the xdvik development team
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a copy
8  * of this software and associated documentation files (the "Software"), to
9  * deal in the Software without restriction, including without limitation the
10  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
11  * sell copies of the Software, and to permit persons to whom the Software is
12  * furnished to do so, subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be included in
15  * all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20  * PAUL VOJTA OR ANY OTHER AUTHOR OF THIS SOFTWARE BE LIABLE FOR ANY CLAIM,
21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23  * OTHER DEALINGS IN THE SOFTWARE.
24  *
25  */
26 
27 /* debugging flags and macros */
28 
29 #include "xdvi-config.h"
30 #include "xdvi.h"
31 #include "version.h"
32 
33 #if HAVE_STRINGIZE
34 #ifdef NDEBUG
35 /* for production code, a failed ASSERT(x) just prints out a warning;
36    else it aborts and dumps core.
37 */
38 #define ASSERT(x, y) do {								\
39     if(!(x)) {										\
40 	fprintf(stderr,									\
41 		"************************************************************\n"	\
42 		"XDvi %s: Failed assertion:\n%s:%d: \"%s\": %s\n"			\
43 		"Please report this as a bug to:\n"					\
44 		"http://sourceforge.net/tracker/?group_id=23164&atid=377580\n"		\
45  		"************************************************************\n",	\
46 		XDVI_VERSION_INFO, __FILE__, __LINE__, #x, y);				\
47     } } while (0)
48 #else /* NDEBUG */
49 #define ASSERT(x, y) do {								\
50     if(!(x)) {										\
51 	fprintf(stderr,									\
52 		"\n************************************************************\n"	\
53 		"XDvi %s: Failed assertion:\n%s:%d: \"%s\": %s\n"			\
54 		"Aborting now. Please report this as a bug to:\n"			\
55 		"http://sourceforge.net/tracker/?group_id=23164&atid=377580\n"		\
56 		"If a core dump has been produced, please invoke:\n"			\
57 		"gdb %s core\nThen type \"bt\", "					\
58 		"and include the resulting output in your bug report.\n"		\
59  		"************************************************************\n",	\
60 		XDVI_VERSION_INFO, __FILE__, __LINE__, #x, y, globals.program_name);	\
61 	do_abort();									\
62     } } while (0)
63 #endif /* NDEBUG */
64 #else /* HAVE_STRINGIZE */
65 #define ASSERT(x, y) /* as nothing */
66 #endif
67 
68 /* for temporary debugging statements */
69 /* #define MYDEBUG 1 */
70 #ifdef MYDEBUG
71 # define MYTRACE(X)   do {                          \
72     fprintf(stderr, "%s:%d: ", __FILE__, __LINE__); \
73     fprintf X;                                      \
74     fprintf(stderr, "\n");                          \
75 } while(0)
76 #else
77 # define MYTRACE(X)
78 #endif
79 
80 /* NOTE: keep these in sync with the debug_string_options array in util.c! */
81 #define	DBG_BITMAP		1
82 #define	DBG_DVI			2
83 #define	DBG_PK			4
84 #define	DBG_BATCH		8
85 #define	DBG_EVENT		16
86 #define	DBG_PS			32
87 /* start of kpathsea debugging options */
88 #define	DBG_STAT		64
89 #define	DBG_HASH		128
90 #define	DBG_OPEN		256
91 #define	DBG_PATHS		512
92 #define	DBG_EXPAND		1024
93 #define	DBG_SEARCH		2048
94 #define	DBG_KPATHSEA		4032	/* handy abbrev */
95 /* end of kpathsea debugging options */
96 #define	DBG_HTEX		4096
97 #define DBG_SRC_SPECIALS	8192
98 #define DBG_CLIENT		16384
99 #define DBG_FT			32768
100 #define DBG_FT_VERBOSE		65536	/* not currently used */
101 #define DBG_GUI			131072
102 #define DBG_FIND		262144
103 #define DBG_FILES		524288
104 #define DBG_PTEXFNT             1048576
105 #define	DBG_ALL			(~DBG_BATCH)
106 
107 /* a mapping of numerical options to descriptive strings, defined in util.c */
108 struct debug_string_options {
109     int bitmap;
110     const char *description;
111     const char *help_formatting;
112 };
113 
114 /*
115  */
116 
117 #if 0
118 /* we don't want this defined for NDEBUG, since the tracing macros
119    are pretty useful also for users reporting bugs etc.; so we
120    enable them always.
121 */
122 #define TRACE_HTEX(X)
123 #define TRACE_SRC(X)
124 #define TRACE_CLIENT(X)
125 #define TRACE_FT(X)
126 #define TRACE_FT_VERBOSE(X)
127 #define TRACE_GUI(X)
128 #define TRACE_EVENTS(X)
129 #define TRACE_FIND(X)
130 #define TRACE_FILES(X)
131 
132 #else /* 0 */
133 
134 /*
135  * Note that the argument to these macros is always ((stderr, "...")).
136  * We could also have
137  *    TRACE_SRC(("..."));
138  * and invoke a function, but then gcc (3.1) won't be able to check
139  * inconsistencies between conversion specifiers and arguments any
140  * more, and that's a real killer IMHO.
141  */
142 
143 #define TRACE_HTEX(X)						    \
144     do {							    \
145 	if (globals.debug & DBG_HTEX) {					    \
146 	    fprintf(stderr, "%s:%d: HTEX: ", __FILE__, __LINE__);   \
147 	    fprintf X;						    \
148 	    fprintf(stderr, "\n");				    \
149 	}							    \
150     } while(0)
151 #define TRACE_SRC(X)						    \
152     do {							    \
153 	if (globals.debug & DBG_SRC_SPECIALS) {				    \
154 	    fprintf(stderr, "%s:%d: SRC: ", __FILE__, __LINE__);    \
155 	    fprintf X;						    \
156 	    fprintf(stderr, "\n");				    \
157 	}							    \
158     } while(0)
159 #define TRACE_CLIENT(X)						    \
160     do {							    \
161 	if (globals.debug & DBG_CLIENT) {				    \
162 	    fprintf(stderr, "%s:%d: CLIENT: ", __FILE__, __LINE__); \
163 	    fprintf X;						    \
164 	    fprintf(stderr, "\n");				    \
165 	}							    \
166     } while(0)
167 #define TRACE_FT(X)						    \
168     do {							    \
169 	if (globals.debug & DBG_FT) {					    \
170 	    fprintf(stderr, "%s:%d: FT: ", __FILE__, __LINE__);	    \
171 	    fprintf X;						    \
172 	    fprintf(stderr, "\n");				    \
173 	}							    \
174     } while(0)
175 #define TRACE_FT_VERBOSE(X)					    \
176     do {							    \
177 	if (globals.debug & DBG_FT_VERBOSE) {				    \
178 	    fprintf(stderr, "%s:%d: FT_VERBOSE: ", __FILE__, __LINE__);	    \
179 	    fprintf X;						    \
180 	    fprintf(stderr, "\n");				    \
181 	}							    \
182     } while(0)
183 #define TRACE_GUI(X)						    \
184     do {							    \
185 	if (globals.debug & DBG_GUI) {					    \
186 	    fprintf(stderr, "%s:%d: GUI: ", __FILE__, __LINE__);    \
187 	    fprintf X;						    \
188 	    fprintf(stderr, "\n");				    \
189 	}							    \
190     } while(0)
191 #define TRACE_EVENTS(X)						    \
192     do {							    \
193 	if (globals.debug & DBG_EVENT) {				    \
194 	    fprintf(stderr, "%s:%d: EVENT: ", __FILE__, __LINE__);  \
195 	    fprintf X;						    \
196 	    fprintf(stderr, "\n");				    \
197 	}							    \
198     } while(0)
199 #define TRACE_FIND(X)						    \
200     do {							    \
201 	if (globals.debug & DBG_FIND) {				            \
202 	    fprintf(stderr, "%s:%d: FIND: ", __FILE__, __LINE__);   \
203 	    fprintf X;						    \
204 	    fprintf(stderr, "\n");				    \
205 	}							    \
206     } while(0)
207 
208 #define TRACE_FILES(X)						    \
209     do {							    \
210 	if (globals.debug & DBG_FILES) {				    \
211 	    fprintf(stderr, "%s:%d: FILES: ", __FILE__, __LINE__);  \
212 	    fprintf X;						    \
213 	    fprintf(stderr, "\n");				    \
214 	}							    \
215     } while(0)
216 
217 #endif /* 0 */
218 
219 #endif /* XDVI_DEBUG_H_ */
220