src/vcg.c

   1 /* VCG description handler for Bison.
   2
   3    Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
   4
   5    This file is part of Bison, the GNU Compiler Compiler.
   6
   7    Bison is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2, or (at your option)
  10    any later version.
  11
  12    Bison is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with Bison; see the file COPYING.  If not, write to
  19    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 #include "system.h"
  23
  24 #include <quotearg.h>
  25
  26 #include "vcg.h"
  27 #include "vcg_defaults.h"
  28
  29 /* Return an unambiguous printable representated, for NAME, suitable
  30    for C strings.  Use slot 2 since the user may use slots 0 and 1.
  31    */
  32
  33 static char const *
  34 quote (char const *name)
  35 {
  36   return quotearg_n_style (2, c_quoting_style, name);
  37 }
  38
  39
  40 /* Initialize a graph with the default values. */
  41 void
  42 new_graph (graph *g)
  43 {
  44   g->title = G_TITLE;
  45   g->label = G_LABEL;
  46
  47   g->infos[0] = G_INFOS1;
  48   g->infos[1] = G_INFOS2;
  49   g->infos[2] = G_INFOS3;
  50
  51   g->color = G_COLOR;
  52   g->textcolor = G_TEXTCOLOR;
  53   g->bordercolor = G_BORDERCOLOR;
  54
  55   g->width = G_WIDTH;
  56   g->height = G_HEIGHT;
  57   g->borderwidth = G_BORDERWIDTH;
  58   g->x = G_X;
  59   g->y = G_Y;
  60   g->folding = G_FOLDING;
  61   g->shrink = G_SHRINK;
  62   g->expand = G_EXPAND;
  63
  64   g->textmode = G_TEXTMODE;
  65   g->shape = G_SHAPE;
  66
  67   g->vertical_order = G_VERTICAL_ORDER;
  68   g->horizontal_order = G_HORIZONTAL_ORDER;
  69
  70   g->xmax = G_XMAX; /* Not output. */
  71   g->ymax = G_YMAX; /* Not output. */
  72
  73   g->xbase = G_XBASE;
  74   g->ybase = G_YBASE;
  75
  76   g->xspace = G_XSPACE;
  77   g->yspace = G_YSPACE;
  78   g->xlspace = G_XLSPACE; /* Not output. */
  79
  80   g->xraster = G_XRASTER;
  81   g->yraster = G_YRASTER;
  82   g->xlraster = G_XLRASTER;
  83
  84   g->hidden = G_HIDDEN; /* No default value. */
  85
  86   g->classname = G_CLASSNAME; /* No class name association. */
  87
  88   g->layoutalgorithm = G_LAYOUTALGORITHM;
  89   g->layout_downfactor = G_LAYOUT_DOWNFACTOR;
  90   g->layout_upfactor = G_LAYOUT_UPFACTOR;
  91   g->layout_nearfactor = G_LAYOUT_NEARFACTOR;
  92   g->layout_splinefactor = G_LAYOUT_SPLINEFACTOR;
  93
  94   g->late_edge_labels = G_LATE_EDGE_LABELS;
  95   g->display_edge_labels = G_DISPLAY_EDGE_LABELS;
  96   g->dirty_edge_labels = G_DIRTY_EDGE_LABELS;
  97   g->finetuning = G_FINETUNING;
  98   g->ignore_singles = G_IGNORE_SINGLES;
  99   g->priority_phase = G_PRIORITY_PHASE;
 100   g->manhattan_edges = G_MANHATTAN_EDGES;
 101   g->smanhattan_edges = G_SMANHATTAN_EDGES;
 102   g->near_edges = G_NEAR_EDGES;
 103
 104   g->orientation = G_ORIENTATION;
 105   g->node_alignment = G_NODE_ALIGNMENT;
 106   g->port_sharing = G_PORT_SHARING;
 107   g->arrow_mode = G_ARROW_MODE;
 108   g->treefactor = G_TREEFACTOR;
 109   g->spreadlevel = G_SPREADLEVEL;
 110   g->crossing_weight = G_CROSSING_WEIGHT;
 111   g->crossing_phase2 = G_CROSSING_PHASE2;
 112   g->crossing_optimization = G_CROSSING_OPTIMIZATION;
 113   g->view = G_VIEW;
 114
 115   g->edges = G_EDGES;
 116   g->nodes = G_NODES;
 117   g->splines = G_SPLINES;
 118
 119   g->bmax = G_BMAX;
 120   g->cmin = G_CMIN;
 121   g->cmax = G_CMAX;
 122   g->pmin = G_PMIN;
 123   g->pmax = G_PMAX;
 124   g->rmin = G_RMIN;
 125   g->rmax = G_RMAX;
 126   g->smax = G_SMAX;
 127
 128   g->node_list = G_NODE_LIST;
 129   g->edge_list = G_EDGE_LIST;
 130
 131   new_edge (&g->edge);
 132   new_node (&g->node);
 133 }
 134
 135 /* Initialize a node with the default values. */
 136 void
 137 new_node (node *n)
 138 {
 139   n->title = N_TITLE;
 140   n->label = N_LABEL;
 141
 142   n->locx = N_LOCX; /* Default unspcified. */
 143   n->locy = N_LOCY; /* Default unspcified. */
 144
 145   n->vertical_order = N_VERTICAL_ORDER; /* Default unspcified. */
 146   n->horizontal_order = N_HORIZONTAL_ORDER;     /* Default unspcified. */
 147
 148   n->width = N_WIDTH; /* We assume that we can't define it now. */
 149   n->height = N_HEIGHT; /* Also. */
 150
 151   n->shrink = N_SHRINK;
 152   n->expand = N_EXPAND;
 153
 154   n->folding = N_FOLDING; /* No explicit default value. */
 155
 156   n->shape = N_SHAPE;
 157   n->textmode = N_TEXTMODE;
 158   n->borderwidth = N_BORDERWIDTH;
 159
 160   n->color = N_COLOR;
 161   n->textcolor = N_TEXTCOLOR;
 162   n->bordercolor = N_BORDERCOLOR;
 163
 164   n->infos[0] = N_INFOS1;
 165   n->infos[1] = N_INFOS2;
 166   n->infos[2] = N_INFOS3;
 167
 168   n->next = N_NEXT;
 169 }
 170
 171 /* Initialize an edge with the default values. */
 172 void
 173 new_edge (edge *e)
 174 {
 175   e->type = E_EDGE_TYPE;
 176
 177   e->sourcename = E_SOURCENAME;
 178   e->targetname = E_TARGETNAME;
 179   e->label = E_LABEL;
 180
 181   e->linestyle = E_LINESTYLE;
 182   e->thickness = E_THICKNESS;
 183
 184   e->class = E_CLASS;
 185
 186   e->color = E_COLOR;
 187   e->textcolor = E_TEXTCOLOR;
 188   e->arrowcolor = E_ARROWCOLOR;
 189   e->backarrowcolor = E_BACKARROWCOLOR;
 190
 191   e->arrowsize = E_ARROWSIZE;
 192   e->backarrowsize = E_BACKARROWSIZE;
 193   e->arrowstyle = E_ARROWSTYLE;
 194
 195   e->backarrowstyle = E_BACKARROWSTYLE;
 196
 197   e->priority = E_PRIORITY;
 198
 199   e->anchor = E_ANCHOR;
 200
 201   e->horizontal_order = E_HORIZONTAL_ORDER;
 202
 203   e->next = E_NEXT;
 204 }
 205
 206 /*----------------------------------------------.
 207 | Get functions.                                |
 208 | Return string corresponding to an enum value. |
 209 `----------------------------------------------*/
 210
 211 static const char *
 212 get_color_str (enum color color)
 213 {
 214   switch (color)
 215     {
 216     case white:         return "white";
 217     case blue:          return "blue";
 218     case red:           return "red";
 219     case green:         return "green";
 220     case yellow:        return "yellow";
 221     case magenta:       return "magenta";
 222     case cyan:          return "cyan";
 223     case darkgrey:      return "darkgrey";
 224     case darkblue:      return "darkblue";
 225     case darkred:       return "darkred";
 226     case darkgreen:     return "darkgreen";
 227     case darkyellow:    return "darkyellow";
 228     case darkmagenta:   return "darkmagenta";
 229     case darkcyan:      return "darkcyan";
 230     case gold:          return "gold";
 231     case lightgrey:     return "lightgrey";
 232     case lightblue:     return "lightblue";
 233     case lightred:      return "lightred";
 234     case lightgreen:    return "lightgreen";
 235     case lightyellow:   return "lightyellow";
 236     case lightmagenta:  return "lightmagenta";
 237     case lightcyan:     return "lightcyan";
 238     case lilac:         return "lilac";
 239     case turquoise:     return "turquoise";
 240     case aquamarine:    return "aquamarine";
 241     case khaki:         return "khaki";
 242     case purple:        return "purple";
 243     case yellowgreen:   return "yellowgreen";
 244     case pink:          return "pink";
 245     case orange:        return "orange";
 246     case orchid:        return "orchid";
 247     case black:         return "black";
 248     default:            abort (); return NULL;
 249     }
 250 }
 251
 252 static const char *
 253 get_textmode_str (enum textmode textmode)
 254 {
 255   switch (textmode)
 256     {
 257     case centered:      return "center";
 258     case left_justify:  return "left_justify";
 259     case right_justify: return "right_justify";
 260     default:            abort (); return NULL;
 261     }
 262 }
 263
 264 static const char *
 265 get_shape_str (enum shape shape)
 266 {
 267   switch (shape)
 268     {
 269     case box:           return "box";
 270     case rhomb:         return "rhomb";
 271     case ellipse:       return "ellipse";
 272     case triangle:      return "triangle";
 273     default:            abort (); return NULL;
 274     }
 275 }
 276
 277 static const char *
 278 get_layoutalgorithm_str (enum layoutalgorithm layoutalgorithm)
 279 {
 280   switch (layoutalgorithm)
 281     {
 282     case normal:        return "normal";
 283     case maxdepth:      return "maxdepth";
 284     case mindepth:      return "mindepth";
 285     case maxdepthslow:  return "maxdepthslow";
 286     case mindepthslow:  return "mindepthslow";
 287     case maxdegree:     return "maxdegree";
 288     case mindegree:     return "mindegree";
 289     case maxindegree:   return "maxindegree";
 290     case minindegree:   return "minindegree";
 291     case maxoutdegree:  return "maxoutdegree";
 292     case minoutdegree:  return "minoutdegree";
 293     case minbackward:   return "minbackward";
 294     case dfs:           return "dfs";
 295     case tree:          return "tree";
 296     default:            abort (); return NULL;
 297     }
 298 }
 299
 300 static const char *
 301 get_decision_str (enum decision decision)
 302 {
 303   switch (decision)
 304     {
 305     case no:    return "no";
 306     case yes:   return "yes";
 307     default:    abort (); return NULL;
 308     }
 309 }
 310
 311 static const char *
 312 get_orientation_str (enum orientation orientation)
 313 {
 314   switch (orientation)
 315     {
 316     case top_to_bottom: return "top_to_bottom";
 317     case bottom_to_top: return "bottom_to_top";
 318     case left_to_right: return "left_to_right";
 319     case right_to_left: return "right_to_left";
 320     default:            abort (); return NULL;
 321     }
 322 }
 323
 324 static const char *
 325 get_node_alignment_str (enum alignment alignment)
 326 {
 327   switch (alignment)
 328     {
 329     case center:        return "center";
 330     case top:           return "top";
 331     case bottom:        return "bottom";
 332     default:            abort (); return NULL;
 333     }
 334 }
 335
 336 static const char *
 337 get_arrow_mode_str (enum arrow_mode arrow_mode)
 338 {
 339   switch (arrow_mode)
 340     {
 341     case fixed:         return "fixed";
 342     case free_a:        return "free";
 343     default:            abort (); return NULL;
 344     }
 345 }
 346
 347 static const char *
 348 get_crossing_type_str (enum crossing_type crossing_type)
 349 {
 350   switch (crossing_type)
 351     {
 352     case bary:          return "bary";
 353     case median:        return "median";
 354     case barymedian:    return "barymedian";
 355     case medianbary:    return "medianbary";
 356     default:            abort (); return NULL;
 357     }
 358 }
 359
 360 static const char *
 361 get_view_str (enum view view)
 362 {
 363   switch (view)
 364     {
 365     case normal_view:   return "normal_view";
 366     case cfish:         return "cfish";
 367     case pfish:         return "pfish";
 368     case fcfish:        return "fcfish";
 369     case fpfish:        return "fpfish";
 370     default:            abort (); return NULL;
 371     }
 372 }
 373
 374 static const char *
 375 get_linestyle_str (enum linestyle linestyle)
 376 {
 377   switch (linestyle)
 378     {
 379     case continuous:    return "continuous";
 380     case dashed:        return "dashed";
 381     case dotted:        return "dotted";
 382     case invisible:     return "invisible";
 383     default:            abort (); return NULL;
 384     }
 385 }
 386
 387 static const char *
 388 get_arrowstyle_str (enum arrowstyle arrowstyle)
 389 {
 390   switch (arrowstyle)
 391     {
 392     case solid: return "solid";
 393     case line:  return "line";
 394     case none:  return "none";
 395     default:    abort (); return NULL;
 396     }
 397 }
 398
 399 /*------------------------------.
 400 | Add functions.                |
 401 | Edge and nodes into a graph.  |
 402 `------------------------------*/
 403
 404 void
 405 add_node (graph *g, node *n)
 406 {
 407   n->next = g->node_list;
 408   g->node_list = n;
 409 }
 410
 411 void
 412 add_edge (graph *g, edge *e)
 413 {
 414   e->next = g->edge_list;
 415   g->edge_list = e;
 416 }
 417
 418 void
 419 add_classname (graph *g, int val, const char *name)
 420 {
 421   struct classname *classname;
 422
 423   MALLOC (classname, 1);
 424   classname->no = val;
 425   classname->name = name;
 426   classname->next = g->classname;
 427   g->classname = classname;
 428 }
 429
 430 void
 431 add_infoname (graph *g, int integer, const char *str)
 432 {
 433   struct infoname *infoname;
 434
 435   MALLOC (infoname, 1);
 436   infoname->integer = integer;
 437   infoname->chars = str;
 438   infoname->next = g->infoname;
 439   g->infoname = infoname;
 440 }
 441
 442 /* Build a colorentry struct and add it to the list.  */
 443 void
 444 add_colorentry (graph *g, int color_idx, int red_cp,
 445                 int green_cp, int blue_cp)
 446 {
 447   struct colorentry *ce;
 448
 449   MALLOC (ce, 1);
 450   ce->color_index = color_idx;
 451   ce->red_cp = red_cp;
 452   ce->green_cp = green_cp;
 453   ce->blue_cp = blue_cp;
 454   ce->next = g->colorentry;
 455   g->colorentry = ce;
 456 }
 457
 458 /*-------------------------------------.
 459 | Open and close functions (formatted) |
 460 `-------------------------------------*/
 461
 462 void
 463 open_edge (edge *e, FILE *fout)
 464 {
 465   switch (e->type)
 466     {
 467     case normal_edge:
 468       fputs ("\tedge: {\n", fout);
 469       break;
 470     case back_edge:
 471       fputs ("\tbackedge: {\n", fout);
 472       break;
 473     case near_edge:
 474       fputs ("\tnearedge: {\n", fout);
 475       break;
 476     case bent_near_edge:
 477       fputs ("\tbentnearedge: {\n", fout);
 478       break;
 479     default:
 480       fputs ("\tedge: {\n", fout);
 481     }
 482 }
 483
 484 void
 485 close_edge (FILE *fout)
 486 {
 487   fputs ("\t}\n", fout);
 488 }
 489
 490 void
 491 open_node (FILE *fout)
 492 {
 493   fputs ("\tnode: {\n", fout);
 494 }
 495
 496 void
 497 close_node (FILE *fout)
 498 {
 499   fputs ("\t}\n", fout);
 500 }
 501
 502 void
 503 open_graph (FILE *fout)
 504 {
 505   fputs ("graph: {\n", fout);
 506 }
 507
 508 void
 509 close_graph (graph *g, FILE *fout)
 510 {
 511   fputc ('\n', fout);
 512
 513   /* FIXME: Unallocate nodes and edges if required.  */
 514   {
 515     node *n;
 516
 517     for (n = g->node_list; n; n = n->next)
 518       {
 519         open_node (fout);
 520         output_node (n, fout);
 521         close_node (fout);
 522       }
 523   }
 524
 525   fputc ('\n', fout);
 526
 527   {
 528     edge *e;
 529
 530     for (e = g->edge_list; e; e = e->next)
 531       {
 532         open_edge (e, fout);
 533         output_edge (e, fout);
 534         close_edge (fout);
 535       }
 536   }
 537
 538   fputs ("}\n", fout);
 539 }
 540
 541 /*-------------------------------------------.
 542 | Output functions (formatted) in file FOUT  |
 543 `-------------------------------------------*/
 544
 545 void
 546 output_node (node *n, FILE *fout)
 547 {
 548   if (n->title != N_TITLE)
 549     fprintf (fout, "\t\ttitle:\t%s\n", quote (n->title));
 550   if (n->label != N_LABEL)
 551     fprintf (fout, "\t\tlabel:\t%s\n", quote (n->label));
 552
 553   if ((n->locx != N_LOCX) && (n->locy != N_LOCY))
 554     fprintf (fout, "\t\tloc { x: %d  y: %d }\t\n", n->locx, n->locy);
 555
 556   if (n->vertical_order != N_VERTICAL_ORDER)
 557     fprintf (fout, "\t\tvertical_order:\t%d\n", n->vertical_order);
 558   if (n->horizontal_order != N_HORIZONTAL_ORDER)
 559     fprintf (fout, "\t\thorizontal_order:\t%d\n", n->horizontal_order);
 560
 561   if (n->width != N_WIDTH)
 562     fprintf (fout, "\t\twidth:\t%d\n", n->width);
 563   if (n->height != N_HEIGHT)
 564     fprintf (fout, "\t\theight:\t%d\n", n->height);
 565
 566   if (n->shrink != N_SHRINK)
 567     fprintf (fout, "\t\tshrink:\t%d\n", n->shrink);
 568   if (n->expand != N_EXPAND)
 569     fprintf (fout, "\t\texpand:\t%d\n", n->expand);
 570
 571   if (n->folding != N_FOLDING)
 572     fprintf (fout, "\t\tfolding:\t%d\n", n->folding);
 573
 574   if (n->textmode != N_TEXTMODE)
 575     fprintf (fout, "\t\ttextmode:\t%s\n",
 576              get_textmode_str (n->textmode));
 577
 578   if (n->shape != N_SHAPE)
 579     fprintf (fout, "\t\tshape:\t%s\n", get_shape_str (n->shape));
 580
 581   if (n->borderwidth != N_BORDERWIDTH)
 582     fprintf (fout, "\t\tborderwidth:\t%d\n", n->borderwidth);
 583
 584   if (n->color != N_COLOR)
 585     fprintf (fout, "\t\tcolor:\t%s\n", get_color_str (n->color));
 586   if (n->textcolor != N_TEXTCOLOR)
 587     fprintf (fout, "\t\ttextcolor:\t%s\n",
 588              get_color_str (n->textcolor));
 589   if (n->bordercolor != N_BORDERCOLOR)
 590     fprintf (fout, "\t\tbordercolor:\t%s\n",
 591              get_color_str (n->bordercolor));
 592
 593   {
 594     int i;
 595     for (i = 0; i < 3; ++i)
 596       if (n->infos[i])
 597         fprintf (fout, "\t\tinfo%d:\t%s\n",
 598                  i, quote (n->infos[i]));
 599   }
 600 }
 601
 602 void
 603 output_edge (edge *e, FILE *fout)
 604 {
 605   /* FIXME: SOURCENAME and TARGETNAME are mandatory
 606      so it has to be fatal not to give these informations.  */
 607   if (e->sourcename != E_SOURCENAME)
 608     fprintf (fout, "\t\tsourcename:\t%s\n", quote (e->sourcename));
 609   if (e->targetname != E_TARGETNAME)
 610     fprintf (fout, "\t\ttargetname:\t%s\n", quote (e->targetname));
 611
 612   if (e->label != E_LABEL)
 613     fprintf (fout, "\t\tlabel:\t%s\n", quote (e->label));
 614
 615   if (e->linestyle != E_LINESTYLE)
 616     fprintf (fout, "\t\tlinestyle:\t%s\n",
 617              quote (get_linestyle_str (e->linestyle)));
 618
 619   if (e->thickness != E_THICKNESS)
 620     fprintf (fout, "\t\tthickness:\t%d\n", e->thickness);
 621   if (e->class != E_CLASS)
 622     fprintf (fout, "\t\tclass:\t%d\n", e->class);
 623
 624   if (e->color != E_COLOR)
 625     fprintf (fout, "\t\tcolor:\t%s\n", get_color_str (e->color));
 626   if (e->color != E_TEXTCOLOR)
 627     fprintf (fout, "\t\ttextcolor:\t%s\n",
 628              get_color_str (e->textcolor));
 629   if (e->arrowcolor != E_ARROWCOLOR)
 630     fprintf (fout, "\t\tarrowcolor:\t%s\n",
 631              get_color_str (e->arrowcolor));
 632   if (e->backarrowcolor != E_BACKARROWCOLOR)
 633     fprintf (fout, "\t\tbackarrowcolor:\t%s\n",
 634              get_color_str (e->backarrowcolor));
 635
 636   if (e->arrowsize != E_ARROWSIZE)
 637     fprintf (fout, "\t\tarrowsize:\t%d\n", e->arrowsize);
 638   if (e->backarrowsize != E_BACKARROWSIZE)
 639     fprintf (fout, "\t\tbackarrowsize:\t%d\n", e->backarrowsize);
 640
 641   if (e->arrowstyle != E_ARROWSTYLE)
 642     fprintf (fout, "\t\tarrowstyle:\t%s\n",
 643              get_arrowstyle_str (e->arrowstyle));
 644   if (e->backarrowstyle != E_BACKARROWSTYLE)
 645     fprintf (fout, "\t\tbackarrowstyle:\t%s\n",
 646              get_arrowstyle_str (e->backarrowstyle));
 647
 648   if (e->priority != E_PRIORITY)
 649     fprintf (fout, "\t\tpriority:\t%d\n", e->priority);
 650   if (e->anchor != E_ANCHOR)
 651     fprintf (fout, "\t\tanchor:\t%d\n", e->anchor);
 652   if (e->horizontal_order != E_HORIZONTAL_ORDER)
 653     fprintf (fout, "\t\thorizontal_order:\t%d\n", e->horizontal_order);
 654 }
 655
 656 void
 657 output_graph (graph *g, FILE *fout)
 658 {
 659   if (g->title)
 660     fprintf (fout, "\ttitle:\t%s\n", quote (g->title));
 661   if (g->label)
 662     fprintf (fout, "\tlabel:\t%s\n", quote (g->label));
 663
 664   {
 665     int i;
 666     for (i = 0; i < 3; ++i)
 667       if (g->infos[i])
 668         fprintf (fout, "\tinfo%d:\t%s\n", i, quote (g->infos[i]));
 669   }
 670
 671   if (g->color != G_COLOR)
 672     fprintf (fout, "\tcolor:\t%s\n", get_color_str (g->color));
 673   if (g->textcolor != G_TEXTCOLOR)
 674     fprintf (fout, "\ttextcolor:\t%s\n", get_color_str (g->textcolor));
 675   if (g->bordercolor != G_BORDERCOLOR)
 676     fprintf (fout, "\tbordercolor:\t%s\n",
 677              get_color_str (g->bordercolor));
 678
 679   if (g->width != G_WIDTH)
 680     fprintf (fout, "\twidth:\t%d\n", g->width);
 681   if (g->height != G_HEIGHT)
 682     fprintf (fout, "\theight:\t%d\n", g->height);
 683   if (g->borderwidth != G_BORDERWIDTH)
 684     fprintf (fout, "\tborderwidth:\t%d\n", g->borderwidth);
 685
 686   if (g->x != G_X)
 687     fprintf (fout, "\tx:\t%d\n", g->x);
 688   if (g->y != G_Y)
 689     fprintf (fout, "\ty:\t%d\n", g->y);
 690
 691   if (g->folding != G_FOLDING)
 692     fprintf (fout, "\tfolding:\t%d\n", g->folding);
 693
 694   if (g->shrink != G_SHRINK)
 695     fprintf (fout, "\tshrink:\t%d\n", g->shrink);
 696   if (g->expand != G_EXPAND)
 697     fprintf (fout, "\texpand:\t%d\n", g->expand);
 698
 699   if (g->textmode != G_TEXTMODE)
 700     fprintf (fout, "\ttextmode:\t%s\n",
 701              get_textmode_str (g->textmode));
 702
 703   if (g->shape != G_SHAPE)
 704     fprintf (fout, "\tshape:\t%s\n", get_shape_str (g->shape));
 705
 706   if (g->vertical_order != G_VERTICAL_ORDER)
 707     fprintf (fout, "\tvertical_order:\t%d\n", g->vertical_order);
 708   if (g->horizontal_order != G_HORIZONTAL_ORDER)
 709     fprintf (fout, "\thorizontal_order:\t%d\n", g->horizontal_order);
 710
 711   if (g->xmax != G_XMAX)
 712     fprintf (fout, "\txmax:\t%d\n", g->xmax);
 713   if (g->ymax != G_YMAX)
 714     fprintf (fout, "\tymax:\t%d\n", g->ymax);
 715
 716   if (g->xbase != G_XBASE)
 717     fprintf (fout, "\txbase:\t%d\n", g->xbase);
 718   if (g->ybase != G_YBASE)
 719     fprintf (fout, "\tybase:\t%d\n", g->ybase);
 720
 721   if (g->xspace != G_XSPACE)
 722     fprintf (fout, "\txspace:\t%d\n", g->xspace);
 723   if (g->yspace != G_YSPACE)
 724     fprintf (fout, "\tyspace:\t%d\n", g->yspace);
 725   if (g->xlspace != G_XLSPACE)
 726     fprintf (fout, "\txlspace:\t%d\n", g->xlspace);
 727
 728   if (g->xraster != G_XRASTER)
 729     fprintf (fout, "\txraster:\t%d\n", g->xraster);
 730   if (g->yraster != G_YRASTER)
 731     fprintf (fout, "\tyraster:\t%d\n", g->yraster);
 732   if (g->xlraster != G_XLRASTER)
 733     fprintf (fout, "\txlraster:\t%d\n", g->xlraster);
 734
 735   if (g->hidden != G_HIDDEN)
 736     fprintf (fout, "\thidden:\t%d\n", g->hidden);
 737
 738   /* FIXME: Unallocate struct list if required.
 739      Maybe with a little function.  */
 740   if (g->classname != G_CLASSNAME)
 741     {
 742       struct classname *ite;
 743
 744       for (ite = g->classname; ite; ite = ite->next)
 745         fprintf (fout, "\tclassname %d :\t%s\n", ite->no, ite->name);
 746     }
 747
 748   if (g->infoname != G_INFONAME)
 749     {
 750       struct infoname *ite;
 751
 752       for (ite = g->infoname; ite; ite = ite->next)
 753         fprintf (fout, "\tinfoname %d :\t%s\n", ite->integer, ite->chars);
 754     }
 755
 756   if (g->colorentry != G_COLORENTRY)
 757     {
 758       struct colorentry *ite;
 759
 760       for (ite = g->colorentry; ite; ite = ite->next)
 761         {
 762           fprintf (fout, "\tcolorentry %d :\t%d %d %d\n",
 763                    ite->color_index,
 764                    ite->red_cp,
 765                    ite->green_cp,
 766                    ite->blue_cp);
 767         }
 768     }
 769
 770   if (g->layoutalgorithm != G_LAYOUTALGORITHM)
 771     fprintf (fout, "\tlayoutalgorithm:\t%s\n",
 772              get_layoutalgorithm_str (g->layoutalgorithm));
 773
 774   if (g->layout_downfactor != G_LAYOUT_DOWNFACTOR)
 775     fprintf (fout, "\tlayout_downfactor:\t%d\n", g->layout_downfactor);
 776   if (g->layout_upfactor != G_LAYOUT_UPFACTOR)
 777     fprintf (fout, "\tlayout_upfactor:\t%d\n", g->layout_upfactor);
 778   if (g->layout_nearfactor != G_LAYOUT_NEARFACTOR)
 779     fprintf (fout, "\tlayout_nearfactor:\t%d\n", g->layout_nearfactor);
 780   if (g->layout_splinefactor != G_LAYOUT_SPLINEFACTOR)
 781     fprintf (fout, "\tlayout_splinefactor:\t%d\n",
 782              g->layout_splinefactor);
 783
 784   if (g->late_edge_labels != G_LATE_EDGE_LABELS)
 785     fprintf (fout, "\tlate_edge_labels:\t%s\n",
 786              get_decision_str (g->late_edge_labels));
 787   if (g->display_edge_labels != G_DISPLAY_EDGE_LABELS)
 788     fprintf (fout, "\tdisplay_edge_labels:\t%s\n",
 789              get_decision_str (g->display_edge_labels));
 790   if (g->dirty_edge_labels != G_DIRTY_EDGE_LABELS)
 791     fprintf (fout, "\tdirty_edge_labels:\t%s\n",
 792              get_decision_str (g->dirty_edge_labels));
 793   if (g->finetuning != G_FINETUNING)
 794     fprintf (fout, "\tfinetuning:\t%s\n",
 795              get_decision_str (g->finetuning));
 796   if (g->ignore_singles != G_IGNORE_SINGLES)
 797     fprintf (fout, "\tignore_singles:\t%s\n",
 798              get_decision_str (g->ignore_singles));
 799   if (g->priority_phase != G_PRIORITY_PHASE)
 800     fprintf (fout, "\tpriority_phase:\t%s\n",
 801              get_decision_str (g->priority_phase));
 802   if (g->manhattan_edges != G_MANHATTAN_EDGES)
 803     fprintf (fout,
 804              "\tmanhattan_edges:\t%s\n",
 805              get_decision_str (g->manhattan_edges));
 806   if (g->smanhattan_edges != G_SMANHATTAN_EDGES)
 807     fprintf (fout,
 808              "\tsmanhattan_edges:\t%s\n",
 809              get_decision_str (g->smanhattan_edges));
 810   if (g->near_edges != G_NEAR_EDGES)
 811     fprintf (fout, "\tnear_edges:\t%s\n",
 812              get_decision_str (g->near_edges));
 813
 814   if (g->orientation != G_ORIENTATION)
 815     fprintf (fout, "\torientation:\t%s\n",
 816              get_orientation_str (g->orientation));
 817
 818   if (g->node_alignment != G_NODE_ALIGNMENT)
 819     fprintf (fout, "\tnode_alignment:\t%s\n",
 820              get_node_alignment_str (g->node_alignment));
 821
 822   if (g->port_sharing != G_PORT_SHARING)
 823     fprintf (fout, "\tport_sharing:\t%s\n",
 824              get_decision_str (g->port_sharing));
 825
 826   if (g->arrow_mode != G_ARROW_MODE)
 827     fprintf (fout, "\tarrow_mode:\t%s\n",
 828              get_arrow_mode_str (g->arrow_mode));
 829
 830   if (g->treefactor != G_TREEFACTOR)
 831     fprintf (fout, "\ttreefactor:\t%f\n", g->treefactor);
 832   if (g->spreadlevel != G_SPREADLEVEL)
 833     fprintf (fout, "\tspreadlevel:\t%d\n", g->spreadlevel);
 834
 835   if (g->crossing_weight != G_CROSSING_WEIGHT)
 836     fprintf (fout, "\tcrossing_weight:\t%s\n",
 837              get_crossing_type_str (g->crossing_weight));
 838   if (g->crossing_phase2 != G_CROSSING_PHASE2)
 839     fprintf (fout, "\tcrossing_phase2:\t%s\n",
 840              get_decision_str (g->crossing_phase2));
 841   if (g->crossing_optimization != G_CROSSING_OPTIMIZATION)
 842     fprintf (fout, "\tcrossing_optimization:\t%s\n",
 843              get_decision_str (g->crossing_optimization));
 844
 845   if (g->view != G_VIEW)
 846     fprintf (fout, "\tview:\t%s\n", get_view_str (g->view));
 847
 848   if (g->edges != G_EDGES)
 849     fprintf (fout, "\tedges:\t%s\n", get_decision_str (g->edges));
 850
 851   if (g->nodes != G_NODES)
 852     fprintf (fout,"\tnodes:\t%s\n", get_decision_str (g->nodes));
 853
 854   if (g->splines != G_SPLINES)
 855     fprintf (fout, "\tsplines:\t%s\n", get_decision_str (g->splines));
 856
 857   if (g->bmax != G_BMAX)
 858     fprintf (fout, "\tbmax:\t%d\n", g->bmax);
 859   if (g->cmin != G_CMIN)
 860     fprintf (fout, "\tcmin:\t%d\n", g->cmin);
 861   if (g->cmax != G_CMAX)
 862     fprintf (fout, "\tcmax:\t%d\n", g->cmax);
 863   if (g->pmin != G_PMIN)
 864     fprintf (fout, "\tpmin:\t%d\n", g->pmin);
 865   if (g->pmax != G_PMAX)
 866     fprintf (fout, "\tpmax:\t%d\n", g->pmax);
 867   if (g->rmin != G_RMIN)
 868     fprintf (fout, "\trmin:\t%d\n", g->rmin);
 869   if (g->rmax != G_RMAX)
 870     fprintf (fout, "\trmax:\t%d\n", g->rmax);
 871   if (g->smax != G_SMAX)
 872     fprintf (fout, "\tsmax:\t%d\n", g->smax);
 873 }