Mercurial > ~dholland > hg > tradcpp > index.cgi
annotate place.c @ 127:a0a86380456e
fix for #if handling:
Don't eval the control expression of the first #if of a block when
already in a false block; it might not be valid. Reported by
Baptiste Daroussin.
| author | David A. Holland |
|---|---|
| date | Wed, 12 Jun 2013 10:52:56 -0400 |
| parents | 05d67dd74e1f |
| children | 26ee741196d1 |
| rev | line source |
|---|---|
| 30 | 1 /*- |
| 2 * Copyright (c) 2010 The NetBSD Foundation, Inc. | |
| 3 * All rights reserved. | |
| 4 * | |
| 5 * This code is derived from software contributed to The NetBSD Foundation | |
| 6 * by David A. Holland. | |
| 7 * | |
| 8 * Redistribution and use in source and binary forms, with or without | |
| 9 * modification, are permitted provided that the following conditions | |
| 10 * are met: | |
| 11 * 1. Redistributions of source code must retain the above copyright | |
| 12 * notice, this list of conditions and the following disclaimer. | |
| 13 * 2. Redistributions in binary form must reproduce the above copyright | |
| 14 * notice, this list of conditions and the following disclaimer in the | |
| 15 * documentation and/or other materials provided with the distribution. | |
| 16 * | |
| 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS | |
| 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | |
| 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS | |
| 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 27 * POSSIBILITY OF SUCH DAMAGE. | |
| 28 */ | |
| 29 | |
| 8 | 30 #include <assert.h> |
| 31 #include <stdarg.h> | |
| 32 #include <stdio.h> | |
| 33 #include <stdlib.h> | |
| 112 | 34 #include <string.h> |
| 8 | 35 |
| 36 #include "utils.h" | |
| 10 | 37 #include "array.h" |
| 8 | 38 #include "place.h" |
| 39 | |
| 13 | 40 struct placefile { |
| 10 | 41 struct place includedfrom; |
| 112 | 42 char *dir; |
| 10 | 43 char *name; |
| 28 | 44 int depth; |
| 10 | 45 bool fromsystemdir; |
| 46 }; | |
| 107 | 47 DECLARRAY(placefile, static UNUSED); |
|
47
2e25e55dba6b
Fix inline usage as per the version in dholland-make2.
David A. Holland
parents:
39
diff
changeset
|
48 DEFARRAY(placefile, static); |
| 10 | 49 |
| 13 | 50 static struct placefilearray placefiles; |
| 10 | 51 static bool overall_failure; |
| 52 | |
| 53 //////////////////////////////////////////////////////////// | |
| 54 // seenfiles | |
| 55 | |
| 56 static | |
| 13 | 57 struct placefile * |
| 58 placefile_create(const struct place *from, const char *name, | |
| 59 bool fromsystemdir) | |
| 10 | 60 { |
| 13 | 61 struct placefile *pf; |
| 112 | 62 const char *s; |
| 63 size_t len; | |
| 10 | 64 |
| 13 | 65 pf = domalloc(sizeof(*pf)); |
| 66 pf->includedfrom = *from; | |
| 112 | 67 |
| 68 s = strrchr(name, '/'); | |
| 69 len = (s == NULL) ? 0 : s - name; | |
| 70 pf->dir = dostrndup(name, len); | |
| 71 | |
| 13 | 72 pf->name = dostrdup(name); |
| 73 pf->fromsystemdir = fromsystemdir; | |
| 112 | 74 |
| 28 | 75 if (from->file != NULL) { |
| 76 pf->depth = from->file->depth + 1; | |
| 77 } else { | |
| 78 pf->depth = 1; | |
| 79 } | |
| 13 | 80 return pf; |
| 10 | 81 } |
| 82 | |
| 83 static | |
| 84 void | |
| 13 | 85 placefile_destroy(struct placefile *pf) |
| 10 | 86 { |
|
39
337110e7240a
Pass the size to free; it makes debug checking easier.
David A. Holland
parents:
38
diff
changeset
|
87 dostrfree(pf->name); |
|
337110e7240a
Pass the size to free; it makes debug checking easier.
David A. Holland
parents:
38
diff
changeset
|
88 dofree(pf, sizeof(*pf)); |
| 10 | 89 } |
| 90 | |
| 13 | 91 DESTROYALL_ARRAY(placefile, ); |
| 10 | 92 |
| 112 | 93 const char * |
| 94 place_getparsedir(const struct place *place) | |
| 95 { | |
| 96 if (place->file == NULL) { | |
| 97 return "."; | |
| 98 } | |
| 99 return place->file->dir; | |
| 100 } | |
| 101 | |
| 13 | 102 const struct placefile * |
| 103 place_addfile(const struct place *place, const char *file, bool issystem) | |
| 10 | 104 { |
| 13 | 105 struct placefile *pf; |
| 10 | 106 |
| 13 | 107 pf = placefile_create(place, file, issystem); |
| 108 placefilearray_add(&placefiles, pf, NULL); | |
|
114
05d67dd74e1f
Reduce the maximum include depth from 128 to 120.
David A. Holland
parents:
112
diff
changeset
|
109 if (pf->depth > 120) { |
| 28 | 110 complain(place, "Maximum include nesting depth exceeded"); |
| 111 die(); | |
| 112 } | |
| 13 | 113 return pf; |
| 10 | 114 } |
| 115 | |
| 116 //////////////////////////////////////////////////////////// | |
| 117 // places | |
| 118 | |
| 8 | 119 void |
| 120 place_setnowhere(struct place *p) | |
| 121 { | |
| 12 | 122 p->type = P_NOWHERE; |
| 8 | 123 p->file = NULL; |
| 12 | 124 p->line = 0; |
| 8 | 125 p->column = 0; |
| 126 } | |
| 127 | |
| 128 void | |
| 129 place_setbuiltin(struct place *p, unsigned num) | |
| 130 { | |
| 12 | 131 p->type = P_BUILTIN; |
| 8 | 132 p->file = NULL; |
| 12 | 133 p->line = num; |
| 134 p->column = 1; | |
| 8 | 135 } |
| 136 | |
| 137 void | |
| 14 | 138 place_setcommandline(struct place *p, unsigned line, unsigned column) |
| 8 | 139 { |
| 14 | 140 p->type = P_COMMANDLINE; |
| 8 | 141 p->file = NULL; |
| 14 | 142 p->line = line; |
| 8 | 143 p->column = column; |
| 144 } | |
| 145 | |
| 14 | 146 void |
| 147 place_setfilestart(struct place *p, const struct placefile *pf) | |
| 148 { | |
| 28 | 149 p->type = P_FILE; |
| 14 | 150 p->file = pf; |
| 151 p->line = 1; | |
| 152 p->column = 1; | |
| 153 } | |
| 154 | |
| 8 | 155 static |
| 12 | 156 const char * |
| 157 place_getname(const struct place *p) | |
| 8 | 158 { |
| 12 | 159 switch (p->type) { |
| 160 case P_NOWHERE: return "<nowhere>"; | |
| 161 case P_BUILTIN: return "<built-in>"; | |
| 162 case P_COMMANDLINE: return "<command-line>"; | |
| 163 case P_FILE: return p->file->name; | |
| 8 | 164 } |
| 12 | 165 assert(0); |
| 166 return NULL; | |
| 8 | 167 } |
| 168 | |
| 169 static | |
| 170 void | |
| 171 place_printfrom(const struct place *p) | |
| 172 { | |
| 173 const struct place *from; | |
| 174 | |
|
95
1c0575f7dd46
Don't crash printing the commandline place.
David A. Holland
parents:
47
diff
changeset
|
175 if (p->file == NULL) { |
|
1c0575f7dd46
Don't crash printing the commandline place.
David A. Holland
parents:
47
diff
changeset
|
176 return; |
|
1c0575f7dd46
Don't crash printing the commandline place.
David A. Holland
parents:
47
diff
changeset
|
177 } |
| 10 | 178 from = &p->file->includedfrom; |
| 12 | 179 if (from->type != P_NOWHERE) { |
| 8 | 180 place_printfrom(from); |
| 12 | 181 fprintf(stderr, "In file included from %s:%u:%u:\n", |
| 182 place_getname(from), from->line, from->column); | |
| 8 | 183 } |
| 184 } | |
| 185 | |
| 10 | 186 //////////////////////////////////////////////////////////// |
| 187 // complaints | |
| 188 | |
| 8 | 189 void |
| 190 complain(const struct place *p, const char *fmt, ...) | |
| 191 { | |
| 192 va_list ap; | |
| 193 | |
| 12 | 194 place_printfrom(p); |
| 195 fprintf(stderr, "%s:%u:%u: ", place_getname(p), p->line, p->column); | |
| 8 | 196 va_start(ap, fmt); |
| 197 vfprintf(stderr, fmt, ap); | |
| 198 va_end(ap); | |
| 199 fprintf(stderr, "\n"); | |
| 200 } | |
| 201 | |
| 202 void | |
| 203 complain_fail(void) | |
| 204 { | |
| 205 overall_failure = true; | |
| 206 } | |
| 207 | |
| 208 bool | |
| 209 complain_failed(void) | |
| 210 { | |
| 211 return overall_failure; | |
| 212 } | |
| 213 | |
| 10 | 214 //////////////////////////////////////////////////////////// |
| 215 // module init and cleanup | |
| 216 | |
| 217 void | |
| 218 place_init(void) | |
| 219 { | |
| 13 | 220 placefilearray_init(&placefiles); |
| 10 | 221 } |
| 222 | |
| 223 void | |
| 224 place_cleanup(void) | |
| 225 { | |
| 13 | 226 placefilearray_destroyall(&placefiles); |
| 227 placefilearray_cleanup(&placefiles); | |
| 10 | 228 } |