tree.c

   1 /*      $Id: tree.c,v 1.64 2015/04/02 22:48:18 schwarze Exp $ */
   2 /*
   3  * Copyright (c) 2008, 2009, 2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
   4  * Copyright (c) 2013, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18 #include "config.h"
  19
  20 #include <sys/types.h>
  21
  22 #include <assert.h>
  23 #include <limits.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <time.h>
  27
  28 #include "mandoc.h"
  29 #include "roff.h"
  30 #include "mdoc.h"
  31 #include "man.h"
  32 #include "main.h"
  33
  34 static  void    print_box(const struct eqn_box *, int);
  35 static  void    print_man(const struct roff_node *, int);
  36 static  void    print_mdoc(const struct roff_node *, int);
  37 static  void    print_span(const struct tbl_span *, int);
  38
  39
  40 void
  41 tree_mdoc(void *arg, const struct mdoc *mdoc)
  42 {
  43
  44         print_mdoc(mdoc_node(mdoc)->child, 0);
  45 }
  46
  47 void
  48 tree_man(void *arg, const struct man *man)
  49 {
  50
  51         print_man(man_node(man)->child, 0);
  52 }
  53
  54 static void
  55 print_mdoc(const struct roff_node *n, int indent)
  56 {
  57         const char       *p, *t;
  58         int               i, j;
  59         size_t            argc;
  60         struct mdoc_argv *argv;
  61
  62         if (n == NULL)
  63                 return;
  64
  65         argv = NULL;
  66         argc = 0;
  67         t = p = NULL;
  68
  69         switch (n->type) {
  70         case ROFFT_ROOT:
  71                 t = "root";
  72                 break;
  73         case ROFFT_BLOCK:
  74                 t = "block";
  75                 break;
  76         case ROFFT_HEAD:
  77                 t = "block-head";
  78                 break;
  79         case ROFFT_BODY:
  80                 if (n->end)
  81                         t = "body-end";
  82                 else
  83                         t = "block-body";
  84                 break;
  85         case ROFFT_TAIL:
  86                 t = "block-tail";
  87                 break;
  88         case ROFFT_ELEM:
  89                 t = "elem";
  90                 break;
  91         case ROFFT_TEXT:
  92                 t = "text";
  93                 break;
  94         case ROFFT_TBL:
  95                 break;
  96         case ROFFT_EQN:
  97                 t = "eqn";
  98                 break;
  99         default:
 100                 abort();
 101                 /* NOTREACHED */
 102         }
 103
 104         switch (n->type) {
 105         case ROFFT_TEXT:
 106                 p = n->string;
 107                 break;
 108         case ROFFT_BODY:
 109                 p = mdoc_macronames[n->tok];
 110                 break;
 111         case ROFFT_HEAD:
 112                 p = mdoc_macronames[n->tok];
 113                 break;
 114         case ROFFT_TAIL:
 115                 p = mdoc_macronames[n->tok];
 116                 break;
 117         case ROFFT_ELEM:
 118                 p = mdoc_macronames[n->tok];
 119                 if (n->args) {
 120                         argv = n->args->argv;
 121                         argc = n->args->argc;
 122                 }
 123                 break;
 124         case ROFFT_BLOCK:
 125                 p = mdoc_macronames[n->tok];
 126                 if (n->args) {
 127                         argv = n->args->argv;
 128                         argc = n->args->argc;
 129                 }
 130                 break;
 131         case ROFFT_TBL:
 132                 break;
 133         case ROFFT_EQN:
 134                 p = "EQ";
 135                 break;
 136         case ROFFT_ROOT:
 137                 p = "root";
 138                 break;
 139         default:
 140                 abort();
 141                 /* NOTREACHED */
 142         }
 143
 144         if (n->span) {
 145                 assert(NULL == p && NULL == t);
 146                 print_span(n->span, indent);
 147         } else {
 148                 for (i = 0; i < indent; i++)
 149                         putchar(' ');
 150
 151                 printf("%s (%s)", p, t);
 152
 153                 for (i = 0; i < (int)argc; i++) {
 154                         printf(" -%s", mdoc_argnames[argv[i].arg]);
 155                         if (argv[i].sz > 0)
 156                                 printf(" [");
 157                         for (j = 0; j < (int)argv[i].sz; j++)
 158                                 printf(" [%s]", argv[i].value[j]);
 159                         if (argv[i].sz > 0)
 160                                 printf(" ]");
 161                 }
 162
 163                 putchar(' ');
 164                 if (MDOC_LINE & n->flags)
 165                         putchar('*');
 166                 printf("%d:%d\n", n->line, n->pos + 1);
 167         }
 168
 169         if (n->eqn)
 170                 print_box(n->eqn->root->first, indent + 4);
 171         if (n->child)
 172                 print_mdoc(n->child, indent +
 173                     (n->type == ROFFT_BLOCK ? 2 : 4));
 174         if (n->next)
 175                 print_mdoc(n->next, indent);
 176 }
 177
 178 static void
 179 print_man(const struct roff_node *n, int indent)
 180 {
 181         const char       *p, *t;
 182         int               i;
 183
 184         if (n == NULL)
 185                 return;
 186
 187         t = p = NULL;
 188
 189         switch (n->type) {
 190         case ROFFT_ROOT:
 191                 t = "root";
 192                 break;
 193         case ROFFT_ELEM:
 194                 t = "elem";
 195                 break;
 196         case ROFFT_TEXT:
 197                 t = "text";
 198                 break;
 199         case ROFFT_BLOCK:
 200                 t = "block";
 201                 break;
 202         case ROFFT_HEAD:
 203                 t = "block-head";
 204                 break;
 205         case ROFFT_BODY:
 206                 t = "block-body";
 207                 break;
 208         case ROFFT_TBL:
 209                 break;
 210         case ROFFT_EQN:
 211                 t = "eqn";
 212                 break;
 213         default:
 214                 abort();
 215                 /* NOTREACHED */
 216         }
 217
 218         switch (n->type) {
 219         case ROFFT_TEXT:
 220                 p = n->string;
 221                 break;
 222         case ROFFT_ELEM:
 223                 /* FALLTHROUGH */
 224         case ROFFT_BLOCK:
 225                 /* FALLTHROUGH */
 226         case ROFFT_HEAD:
 227                 /* FALLTHROUGH */
 228         case ROFFT_BODY:
 229                 p = man_macronames[n->tok];
 230                 break;
 231         case ROFFT_ROOT:
 232                 p = "root";
 233                 break;
 234         case ROFFT_TBL:
 235                 break;
 236         case ROFFT_EQN:
 237                 p = "EQ";
 238                 break;
 239         default:
 240                 abort();
 241                 /* NOTREACHED */
 242         }
 243
 244         if (n->span) {
 245                 assert(NULL == p && NULL == t);
 246                 print_span(n->span, indent);
 247         } else {
 248                 for (i = 0; i < indent; i++)
 249                         putchar(' ');
 250                 printf("%s (%s) ", p, t);
 251                 if (MAN_LINE & n->flags)
 252                         putchar('*');
 253                 printf("%d:%d\n", n->line, n->pos + 1);
 254         }
 255
 256         if (n->eqn)
 257                 print_box(n->eqn->root->first, indent + 4);
 258         if (n->child)
 259                 print_man(n->child, indent +
 260                     (n->type == ROFFT_BLOCK ? 2 : 4));
 261         if (n->next)
 262                 print_man(n->next, indent);
 263 }
 264
 265 static void
 266 print_box(const struct eqn_box *ep, int indent)
 267 {
 268         int              i;
 269         const char      *t;
 270
 271         static const char *posnames[] = {
 272             NULL, "sup", "subsup", "sub",
 273             "to", "from", "fromto",
 274             "over", "sqrt", NULL };
 275
 276         if (NULL == ep)
 277                 return;
 278         for (i = 0; i < indent; i++)
 279                 putchar(' ');
 280
 281         t = NULL;
 282         switch (ep->type) {
 283         case EQN_ROOT:
 284                 t = "eqn-root";
 285                 break;
 286         case EQN_LISTONE:
 287         case EQN_LIST:
 288                 t = "eqn-list";
 289                 break;
 290         case EQN_SUBEXPR:
 291                 t = "eqn-expr";
 292                 break;
 293         case EQN_TEXT:
 294                 t = "eqn-text";
 295                 break;
 296         case EQN_PILE:
 297                 t = "eqn-pile";
 298                 break;
 299         case EQN_MATRIX:
 300                 t = "eqn-matrix";
 301                 break;
 302         }
 303
 304         fputs(t, stdout);
 305         if (ep->pos)
 306                 printf(" pos=%s", posnames[ep->pos]);
 307         if (ep->left)
 308                 printf(" left=\"%s\"", ep->left);
 309         if (ep->right)
 310                 printf(" right=\"%s\"", ep->right);
 311         if (ep->top)
 312                 printf(" top=\"%s\"", ep->top);
 313         if (ep->bottom)
 314                 printf(" bottom=\"%s\"", ep->bottom);
 315         if (ep->text)
 316                 printf(" text=\"%s\"", ep->text);
 317         if (ep->font)
 318                 printf(" font=%d", ep->font);
 319         if (ep->size != EQN_DEFSIZE)
 320                 printf(" size=%d", ep->size);
 321         if (ep->expectargs != UINT_MAX && ep->expectargs != ep->args)
 322                 printf(" badargs=%zu(%zu)", ep->args, ep->expectargs);
 323         else if (ep->args)
 324                 printf(" args=%zu", ep->args);
 325         putchar('\n');
 326
 327         print_box(ep->first, indent + 4);
 328         print_box(ep->next, indent);
 329 }
 330
 331 static void
 332 print_span(const struct tbl_span *sp, int indent)
 333 {
 334         const struct tbl_dat *dp;
 335         int              i;
 336
 337         for (i = 0; i < indent; i++)
 338                 putchar(' ');
 339
 340         switch (sp->pos) {
 341         case TBL_SPAN_HORIZ:
 342                 putchar('-');
 343                 return;
 344         case TBL_SPAN_DHORIZ:
 345                 putchar('=');
 346                 return;
 347         default:
 348                 break;
 349         }
 350
 351         for (dp = sp->first; dp; dp = dp->next) {
 352                 switch (dp->pos) {
 353                 case TBL_DATA_HORIZ:
 354                         /* FALLTHROUGH */
 355                 case TBL_DATA_NHORIZ:
 356                         putchar('-');
 357                         continue;
 358                 case TBL_DATA_DHORIZ:
 359                         /* FALLTHROUGH */
 360                 case TBL_DATA_NDHORIZ:
 361                         putchar('=');
 362                         continue;
 363                 default:
 364                         break;
 365                 }
 366                 printf("[\"%s\"", dp->string ? dp->string : "");
 367                 if (dp->spans)
 368                         printf("(%d)", dp->spans);
 369                 if (NULL == dp->layout)
 370                         putchar('*');
 371                 putchar(']');
 372                 putchar(' ');
 373         }
 374
 375         printf("(tbl) %d:1\n", sp->line);
 376 }