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->long_straight_phase = G_LONG_STRAIGHT_PHASE;
 100   g->priority_phase = G_PRIORITY_PHASE;
 101   g->manhattan_edges = G_MANHATTAN_EDGES;
 102   g->smanhattan_edges = G_SMANHATTAN_EDGES;
 103   g->near_edges = G_NEAR_EDGES;
 104
 105   g->orientation = G_ORIENTATION;
 106   g->node_alignment = G_NODE_ALIGNMENT;
 107   g->port_sharing = G_PORT_SHARING;
 108   g->arrow_mode = G_ARROW_MODE;
 109   g->treefactor = G_TREEFACTOR;
 110   g->spreadlevel = G_SPREADLEVEL;
 111   g->crossing_weight = G_CROSSING_WEIGHT;
 112   g->crossing_phase2 = G_CROSSING_PHASE2;
 113   g->crossing_optimization = G_CROSSING_OPTIMIZATION;
 114   g->view = G_VIEW;
 115
 116   g->edges = G_EDGES;
 117   g->nodes = G_NODES;
 118   g->splines = G_SPLINES;
 119
 120   g->bmax = G_BMAX;
 121   g->cmin = G_CMIN;
 122   g->cmax = G_CMAX;
 123   g->pmin = G_PMIN;
 124   g->pmax = G_PMAX;
 125   g->rmin = G_RMIN;
 126   g->rmax = G_RMAX;
 127   g->smax = G_SMAX;
 128
 129   g->node_list = G_NODE_LIST;
 130   g->edge_list = G_EDGE_LIST;
 131
 132   new_edge (&g->edge);
 133   new_node (&g->node);
 134 }
 135
 136 /* Initialize a node with the default values. */
 137 void
 138 new_node (node *n)
 139 {
 140   n->title = N_TITLE;
 141   n->label = N_LABEL;
 142
 143   n->locx = N_LOCX; /* Default unspcified. */
 144   n->locy = N_LOCY; /* Default unspcified. */
 145
 146   n->vertical_order = N_VERTICAL_ORDER; /* Default unspcified. */
 147   n->horizontal_order = N_HORIZONTAL_ORDER;     /* Default unspcified. */
 148
 149   n->width = N_WIDTH; /* We assume that we can't define it now. */
 150   n->height = N_HEIGHT; /* Also. */
 151
 152   n->shrink = N_SHRINK;
 153   n->expand = N_EXPAND;
 154
 155   n->folding = N_FOLDING; /* No explicit default value. */
 156
 157   n->shape = N_SHAPE;
 158   n->textmode = N_TEXTMODE;
 159   n->borderwidth = N_BORDERWIDTH;
 160
 161   n->color = N_COLOR;
 162   n->textcolor = N_TEXTCOLOR;
 163   n->bordercolor = N_BORDERCOLOR;
 164
 165   n->infos[0] = N_INFOS1;
 166   n->infos[1] = N_INFOS2;
 167   n->infos[2] = N_INFOS3;
 168
 169   n->next = N_NEXT;
 170 }
 171
 172 /* Initialize an edge with the default values. */
 173 void
 174 new_edge (edge *e)
 175 {
 176   e->type = E_EDGE_TYPE;
 177
 178   e->sourcename = E_SOURCENAME;
 179   e->targetname = E_TARGETNAME;
 180   e->label = E_LABEL;
 181
 182   e->linestyle = E_LINESTYLE;
 183   e->thickness = E_THICKNESS;
 184
 185   e->class = E_CLASS;
 186
 187   e->color = E_COLOR;
 188   e->textcolor = E_TEXTCOLOR;
 189   e->arrowcolor = E_ARROWCOLOR;
 190   e->backarrowcolor = E_BACKARROWCOLOR;
 191
 192   e->arrowsize = E_ARROWSIZE;
 193   e->backarrowsize = E_BACKARROWSIZE;
 194   e->arrowstyle = E_ARROWSTYLE;
 195
 196   e->backarrowstyle = E_BACKARROWSTYLE;
 197
 198   e->priority = E_PRIORITY;
 199
 200   e->anchor = E_ANCHOR;
 201
 202   e->horizontal_order = E_HORIZONTAL_ORDER;
 203
 204   e->next = E_NEXT;
 205 }
 206
 207 /*----------------------------------------------.
 208 | Get functions.                                |
 209 | Return string corresponding to an enum value. |
 210 `----------------------------------------------*/
 211
 212 static const char *
 213 get_color_str (enum color color)
 214 {
 215   switch (color)
 216     {
 217     case white:         return "white";
 218     case blue:          return "blue";
 219     case red:           return "red";
 220     case green:         return "green";
 221     case yellow:        return "yellow";
 222     case magenta:       return "magenta";
 223     case cyan:          return "cyan";
 224     case darkgrey:      return "darkgrey";
 225     case darkblue:      return "darkblue";
 226     case darkred:       return "darkred";
 227     case darkgreen:     return "darkgreen";
 228     case darkyellow:    return "darkyellow";
 229     case darkmagenta:   return "darkmagenta";
 230     case darkcyan:      return "darkcyan";
 231     case gold:          return "gold";
 232     case lightgrey:     return "lightgrey";
 233     case lightblue:     return "lightblue";
 234     case lightred:      return "lightred";
 235     case lightgreen:    return "lightgreen";
 236     case lightyellow:   return "lightyellow";
 237     case lightmagenta:  return "lightmagenta";
 238     case lightcyan:     return "lightcyan";
 239     case lilac:         return "lilac";
 240     case turquoise:     return "turquoise";
 241     case aquamarine:    return "aquamarine";
 242     case khaki:         return "khaki";
 243     case purple:        return "purple";
 244     case yellowgreen:   return "yellowgreen";
 245     case pink:          return "pink";
 246     case orange:        return "orange";
 247     case orchid:        return "orchid";
 248     case black:         return "black";
 249     default:            abort (); return NULL;
 250     }
 251 }
 252
 253 static const char *
 254 get_textmode_str (enum textmode textmode)
 255 {
 256   switch (textmode)
 257     {
 258     case centered:      return "center";
 259     case left_justify:  return "left_justify";
 260     case right_justify: return "right_justify";
 261     default:            abort (); return NULL;
 262     }
 263 }
 264
 265 static const char *
 266 get_shape_str (enum shape shape)
 267 {
 268   switch (shape)
 269     {
 270     case box:           return "box";
 271     case rhomb:         return "rhomb";
 272     case ellipse:       return "ellipse";
 273     case triangle:      return "triangle";
 274     default:            abort (); return NULL;
 275     }
 276 }
 277
 278 static const char *
 279 get_layoutalgorithm_str (enum layoutalgorithm layoutalgorithm)
 280 {
 281   switch (layoutalgorithm)
 282     {
 283     case normal:        return "normal";
 284     case maxdepth:      return "maxdepth";
 285     case mindepth:      return "mindepth";
 286     case maxdepthslow:  return "maxdepthslow";
 287     case mindepthslow:  return "mindepthslow";
 288     case maxdegree:     return "maxdegree";
 289     case mindegree:     return "mindegree";
 290     case maxindegree:   return "maxindegree";
 291     case minindegree:   return "minindegree";
 292     case maxoutdegree:  return "maxoutdegree";
 293     case minoutdegree:  return "minoutdegree";
 294     case minbackward:   return "minbackward";
 295     case dfs:           return "dfs";
 296     case tree:          return "tree";
 297     default:            abort (); return NULL;
 298     }
 299 }
 300
 301 static const char *
 302 get_decision_str (enum decision decision)
 303 {
 304   switch (decision)
 305     {
 306     case no:    return "no";
 307     case yes:   return "yes";
 308     default:    abort (); return NULL;
 309     }
 310 }
 311
 312 static const char *
 313 get_orientation_str (enum orientation orientation)
 314 {
 315   switch (orientation)
 316     {
 317     case top_to_bottom: return "top_to_bottom";
 318     case bottom_to_top: return "bottom_to_top";
 319     case left_to_right: return "left_to_right";
 320     case right_to_left: return "right_to_left";
 321     default:            abort (); return NULL;
 322     }
 323 }
 324
 325 static const char *
 326 get_node_alignment_str (enum alignment alignment)
 327 {
 328   switch (alignment)
 329     {
 330     case center:        return "center";
 331     case top:           return "top";
 332     case bottom:        return "bottom";
 333     default:            abort (); return NULL;
 334     }
 335 }
 336
 337 static const char *
 338 get_arrow_mode_str (enum arrow_mode arrow_mode)
 339 {
 340   switch (arrow_mode)
 341     {
 342     case fixed:         return "fixed";
 343     case free_a:        return "free";
 344     default:            abort (); return NULL;
 345     }
 346 }
 347
 348 static const char *
 349 get_crossing_type_str (enum crossing_type crossing_type)
 350 {
 351   switch (crossing_type)
 352     {
 353     case bary:          return "bary";
 354     case median:        return "median";
 355     case barymedian:    return "barymedian";
 356     case medianbary:    return "medianbary";
 357     default:            abort (); return NULL;
 358     }
 359 }
 360
 361 static const char *
 362 get_view_str (enum view view)
 363 {
 364   switch (view)
 365     {
 366     case normal_view:   return "normal_view";
 367     case cfish:         return "cfish";
 368     case pfish:         return "pfish";
 369     case fcfish:        return "fcfish";
 370     case fpfish:        return "fpfish";
 371     default:            abort (); return NULL;
 372     }
 373 }
 374
 375 static const char *
 376 get_linestyle_str (enum linestyle linestyle)
 377 {
 378   switch (linestyle)
 379     {
 380     case continuous:    return "continuous";
 381     case dashed:        return "dashed";
 382     case dotted:        return "dotted";
 383     case invisible:     return "invisible";
 384     default:            abort (); return NULL;
 385     }
 386 }
 387
 388 static const char *
 389 get_arrowstyle_str (enum arrowstyle arrowstyle)
 390 {
 391   switch (arrowstyle)
 392     {
 393     case solid: return "solid";
 394     case line:  return "line";
 395     case none:  return "none";
 396     default:    abort (); return NULL;
 397     }
 398 }
 399
 400 /*------------------------------.
 401 | Add functions.                |
 402 | Edge and nodes into a graph.  |
 403 `------------------------------*/
 404
 405 void
 406 add_node (graph *g, node *n)
 407 {
 408   n->next = g->node_list;
 409   g->node_list = n;
 410 }
 411
 412 void
 413 add_edge (graph *g, edge *e)
 414 {
 415   e->next = g->edge_list;
 416   g->edge_list = e;
 417 }
 418
 419 void
 420 add_classname (graph *g, int val, const char *name)
 421 {
 422   struct classname *classname;
 423
 424   MALLOC (classname, 1);
 425   classname->no = val;
 426   classname->name = name;
 427   classname->next = g->classname;
 428   g->classname = classname;
 429 }
 430
 431 void
 432 add_infoname (graph *g, int integer, const char *str)
 433 {
 434   struct infoname *infoname;
 435
 436   MALLOC (infoname, 1);
 437   infoname->integer = integer;
 438   infoname->chars = str;
 439   infoname->next = g->infoname;
 440   g->infoname = infoname;
 441 }
 442
 443 /* Build a colorentry struct and add it to the list.  */
 444 void
 445 add_colorentry (graph *g, int color_idx, int red_cp,
 446                 int green_cp, int blue_cp)
 447 {
 448   struct colorentry *ce;
 449
 450   MALLOC (ce, 1);
 451   ce->color_index = color_idx;
 452   ce->red_cp = red_cp;
 453   ce->green_cp = green_cp;
 454   ce->blue_cp = blue_cp;
 455   ce->next = g->colorentry;
 456   g->colorentry = ce;
 457 }
 458
 459 /*-------------------------------------.
 460 | Open and close functions (formatted) |
 461 `-------------------------------------*/
 462
 463 void
 464 open_edge (edge *e, FILE *fout)
 465 {
 466   switch (e->type)
 467     {
 468     case normal_edge:
 469       fputs ("\tedge: {\n", fout);
 470       break;
 471     case back_edge:
 472       fputs ("\tbackedge: {\n", fout);
 473       break;
 474     case near_edge:
 475       fputs ("\tnearedge: {\n", fout);
 476       break;
 477     case bent_near_edge:
 478       fputs ("\tbentnearedge: {\n", fout);
 479       break;
 480     default:
 481       fputs ("\tedge: {\n", fout);
 482     }
 483 }
 484
 485 void
 486 close_edge (FILE *fout)
 487 {
 488   fputs ("\t}\n", fout);
 489 }
 490
 491 void
 492 open_node (FILE *fout)
 493 {
 494   fputs ("\tnode: {\n", fout);
 495 }
 496
 497 void
 498 close_node (FILE *fout)
 499 {
 500   fputs ("\t}\n", fout);
 501 }
 502
 503 void
 504 open_graph (FILE *fout)
 505 {
 506   fputs ("graph: {\n", fout);
 507 }
 508
 509 void
 510 close_graph (graph *g, FILE *fout)
 511 {
 512   fputc ('\n', fout);
 513
 514   /* FIXME: Unallocate nodes and edges if required.  */
 515   {
 516     node *n;
 517
 518     for (n = g->node_list; n; n = n->next)
 519       {
 520         open_node (fout);
 521         output_node (n, fout);
 522         close_node (fout);
 523       }
 524   }
 525
 526   fputc ('\n', fout);
 527
 528   {
 529     edge *e;
 530
 531     for (e = g->edge_list; e; e = e->next)
 532       {
 533         open_edge (e, fout);
 534         output_edge (e, fout);
 535         close_edge (fout);
 536       }
 537   }
 538
 539   fputs ("}\n", fout);
 540 }
 541
 542 /*-------------------------------------------.
 543 | Output functions (formatted) in file FOUT  |
 544 `-------------------------------------------*/
 545
 546 void
 547 output_node (node *n, FILE *fout)
 548 {
 549   if (n->title != N_TITLE)
 550     fprintf (fout, "\t\ttitle:\t%s\n", quote (n->title));
 551   if (n->label != N_LABEL)
 552     fprintf (fout, "\t\tlabel:\t%s\n", quote (n->label));
 553
 554   if ((n->locx != N_LOCX) && (n->locy != N_LOCY))
 555     fprintf (fout, "\t\tloc { x: %d  y: %d }\t\n", n->locx, n->locy);
 556
 557   if (n->vertical_order != N_VERTICAL_ORDER)
 558     fprintf (fout, "\t\tvertical_order:\t%d\n", n->vertical_order);
 559   if (n->horizontal_order != N_HORIZONTAL_ORDER)
 560     fprintf (fout, "\t\thorizontal_order:\t%d\n", n->horizontal_order);
 561
 562   if (n->width != N_WIDTH)
 563     fprintf (fout, "\t\twidth:\t%d\n", n->width);
 564   if (n->height != N_HEIGHT)
 565     fprintf (fout, "\t\theight:\t%d\n", n->height);
 566
 567   if (n->shrink != N_SHRINK)
 568     fprintf (fout, "\t\tshrink:\t%d\n", n->shrink);
 569   if (n->expand != N_EXPAND)
 570     fprintf (fout, "\t\texpand:\t%d\n", n->expand);
 571
 572   if (n->folding != N_FOLDING)
 573     fprintf (fout, "\t\tfolding:\t%d\n", n->folding);
 574
 575   if (n->textmode != N_TEXTMODE)
 576     fprintf (fout, "\t\ttextmode:\t%s\n",
 577              get_textmode_str (n->textmode));
 578
 579   if (n->shape != N_SHAPE)
 580     fprintf (fout, "\t\tshape:\t%s\n", get_shape_str (n->shape));
 581
 582   if (n->borderwidth != N_BORDERWIDTH)
 583     fprintf (fout, "\t\tborderwidth:\t%d\n", n->borderwidth);
 584
 585   if (n->color != N_COLOR)
 586     fprintf (fout, "\t\tcolor:\t%s\n", get_color_str (n->color));
 587   if (n->textcolor != N_TEXTCOLOR)
 588     fprintf (fout, "\t\ttextcolor:\t%s\n",
 589              get_color_str (n->textcolor));
 590   if (n->bordercolor != N_BORDERCOLOR)
 591     fprintf (fout, "\t\tbordercolor:\t%s\n",
 592              get_color_str (n->bordercolor));
 593
 594   {
 595     int i;
 596     for (i = 0; i < 3; ++i)
 597       if (n->infos[i])
 598         fprintf (fout, "\t\tinfo%d:\t%s\n",
 599                  i, quote (n->infos[i]));
 600   }
 601 }
 602
 603 void
 604 output_edge (edge *e, FILE *fout)
 605 {
 606   /* FIXME: SOURCENAME and TARGETNAME are mandatory
 607      so it has to be fatal not to give these informations.  */
 608   if (e->sourcename != E_SOURCENAME)
 609     fprintf (fout, "\t\tsourcename:\t%s\n", quote (e->sourcename));
 610   if (e->targetname != E_TARGETNAME)
 611     fprintf (fout, "\t\ttargetname:\t%s\n", quote (e->targetname));
 612
 613   if (e->label != E_LABEL)
 614     fprintf (fout, "\t\tlabel:\t%s\n", quote (e->label));
 615
 616   if (e->linestyle != E_LINESTYLE)
 617     fprintf (fout, "\t\tlinestyle:\t%s\n",
 618              quote (get_linestyle_str (e->linestyle)));
 619
 620   if (e->thickness != E_THICKNESS)
 621     fprintf (fout, "\t\tthickness:\t%d\n", e->thickness);
 622   if (e->class != E_CLASS)
 623     fprintf (fout, "\t\tclass:\t%d\n", e->class);
 624
 625   if (e->color != E_COLOR)
 626     fprintf (fout, "\t\tcolor:\t%s\n", get_color_str (e->color));
 627   if (e->color != E_TEXTCOLOR)
 628     fprintf (fout, "\t\ttextcolor:\t%s\n",
 629              get_color_str (e->textcolor));
 630   if (e->arrowcolor != E_ARROWCOLOR)
 631     fprintf (fout, "\t\tarrowcolor:\t%s\n",
 632              get_color_str (e->arrowcolor));
 633   if (e->backarrowcolor != E_BACKARROWCOLOR)
 634     fprintf (fout, "\t\tbackarrowcolor:\t%s\n",
 635              get_color_str (e->backarrowcolor));
 636
 637   if (e->arrowsize != E_ARROWSIZE)
 638     fprintf (fout, "\t\tarrowsize:\t%d\n", e->arrowsize);
 639   if (e->backarrowsize != E_BACKARROWSIZE)
 640     fprintf (fout, "\t\tbackarrowsize:\t%d\n", e->backarrowsize);
 641
 642   if (e->arrowstyle != E_ARROWSTYLE)
 643     fprintf (fout, "\t\tarrowstyle:\t%s\n",
 644              get_arrowstyle_str (e->arrowstyle));
 645   if (e->backarrowstyle != E_BACKARROWSTYLE)
 646     fprintf (fout, "\t\tbackarrowstyle:\t%s\n",
 647              get_arrowstyle_str (e->backarrowstyle));
 648
 649   if (e->priority != E_PRIORITY)
 650     fprintf (fout, "\t\tpriority:\t%d\n", e->priority);
 651   if (e->anchor != E_ANCHOR)
 652     fprintf (fout, "\t\tanchor:\t%d\n", e->anchor);
 653   if (e->horizontal_order != E_HORIZONTAL_ORDER)
 654     fprintf (fout, "\t\thorizontal_order:\t%d\n", e->horizontal_order);
 655 }
 656
 657 void
 658 output_graph (graph *g, FILE *fout)
 659 {
 660   if (g->title)
 661     fprintf (fout, "\ttitle:\t%s\n", quote (g->title));
 662   if (g->label)
 663     fprintf (fout, "\tlabel:\t%s\n", quote (g->label));
 664
 665   {
 666     int i;
 667     for (i = 0; i < 3; ++i)
 668       if (g->infos[i])
 669         fprintf (fout, "\tinfo%d:\t%s\n", i, quote (g->infos[i]));
 670   }
 671
 672   if (g->color != G_COLOR)
 673     fprintf (fout, "\tcolor:\t%s\n", get_color_str (g->color));
 674   if (g->textcolor != G_TEXTCOLOR)
 675     fprintf (fout, "\ttextcolor:\t%s\n", get_color_str (g->textcolor));
 676   if (g->bordercolor != G_BORDERCOLOR)
 677     fprintf (fout, "\tbordercolor:\t%s\n",
 678              get_color_str (g->bordercolor));
 679
 680   if (g->width != G_WIDTH)
 681     fprintf (fout, "\twidth:\t%d\n", g->width);
 682   if (g->height != G_HEIGHT)
 683     fprintf (fout, "\theight:\t%d\n", g->height);
 684   if (g->borderwidth != G_BORDERWIDTH)
 685     fprintf (fout, "\tborderwidth:\t%d\n", g->borderwidth);
 686
 687   if (g->x != G_X)
 688     fprintf (fout, "\tx:\t%d\n", g->x);
 689   if (g->y != G_Y)
 690     fprintf (fout, "\ty:\t%d\n", g->y);
 691
 692   if (g->folding != G_FOLDING)
 693     fprintf (fout, "\tfolding:\t%d\n", g->folding);
 694
 695   if (g->shrink != G_SHRINK)
 696     fprintf (fout, "\tshrink:\t%d\n", g->shrink);
 697   if (g->expand != G_EXPAND)
 698     fprintf (fout, "\texpand:\t%d\n", g->expand);
 699
 700   if (g->textmode != G_TEXTMODE)
 701     fprintf (fout, "\ttextmode:\t%s\n",
 702              get_textmode_str (g->textmode));
 703
 704   if (g->shape != G_SHAPE)
 705     fprintf (fout, "\tshape:\t%s\n", get_shape_str (g->shape));
 706
 707   if (g->vertical_order != G_VERTICAL_ORDER)
 708     fprintf (fout, "\tvertical_order:\t%d\n", g->vertical_order);
 709   if (g->horizontal_order != G_HORIZONTAL_ORDER)
 710     fprintf (fout, "\thorizontal_order:\t%d\n", g->horizontal_order);
 711
 712   if (g->xmax != G_XMAX)
 713     fprintf (fout, "\txmax:\t%d\n", g->xmax);
 714   if (g->ymax != G_YMAX)
 715     fprintf (fout, "\tymax:\t%d\n", g->ymax);
 716
 717   if (g->xbase != G_XBASE)
 718     fprintf (fout, "\txbase:\t%d\n", g->xbase);
 719   if (g->ybase != G_YBASE)
 720     fprintf (fout, "\tybase:\t%d\n", g->ybase);
 721
 722   if (g->xspace != G_XSPACE)
 723     fprintf (fout, "\txspace:\t%d\n", g->xspace);
 724   if (g->yspace != G_YSPACE)
 725     fprintf (fout, "\tyspace:\t%d\n", g->yspace);
 726   if (g->xlspace != G_XLSPACE)
 727     fprintf (fout, "\txlspace:\t%d\n", g->xlspace);
 728
 729   if (g->xraster != G_XRASTER)
 730     fprintf (fout, "\txraster:\t%d\n", g->xraster);
 731   if (g->yraster != G_YRASTER)
 732     fprintf (fout, "\tyraster:\t%d\n", g->yraster);
 733   if (g->xlraster != G_XLRASTER)
 734     fprintf (fout, "\txlraster:\t%d\n", g->xlraster);
 735
 736   if (g->hidden != G_HIDDEN)
 737     fprintf (fout, "\thidden:\t%d\n", g->hidden);
 738
 739   /* FIXME: Unallocate struct list if required.
 740      Maybe with a little function.  */
 741   if (g->classname != G_CLASSNAME)
 742     {
 743       struct classname *ite;
 744
 745       for (ite = g->classname; ite; ite = ite->next)
 746         fprintf (fout, "\tclassname %d :\t%s\n", ite->no, ite->name);
 747     }
 748
 749   if (g->infoname != G_INFONAME)
 750     {
 751       struct infoname *ite;
 752
 753       for (ite = g->infoname; ite; ite = ite->next)
 754         fprintf (fout, "\tinfoname %d :\t%s\n", ite->integer, ite->chars);
 755     }
 756
 757   if (g->colorentry != G_COLORENTRY)
 758     {
 759       struct colorentry *ite;
 760
 761       for (ite = g->colorentry; ite; ite = ite->next)
 762         {
 763           fprintf (fout, "\tcolorentry %d :\t%d %d %d\n",
 764                    ite->color_index,
 765                    ite->red_cp,
 766                    ite->green_cp,
 767                    ite->blue_cp);
 768         }
 769     }
 770
 771   if (g->layoutalgorithm != G_LAYOUTALGORITHM)
 772     fprintf (fout, "\tlayoutalgorithm:\t%s\n",
 773              get_layoutalgorithm_str (g->layoutalgorithm));
 774
 775   if (g->layout_downfactor != G_LAYOUT_DOWNFACTOR)
 776     fprintf (fout, "\tlayout_downfactor:\t%d\n", g->layout_downfactor);
 777   if (g->layout_upfactor != G_LAYOUT_UPFACTOR)
 778     fprintf (fout, "\tlayout_upfactor:\t%d\n", g->layout_upfactor);
 779   if (g->layout_nearfactor != G_LAYOUT_NEARFACTOR)
 780     fprintf (fout, "\tlayout_nearfactor:\t%d\n", g->layout_nearfactor);
 781   if (g->layout_splinefactor != G_LAYOUT_SPLINEFACTOR)
 782     fprintf (fout, "\tlayout_splinefactor:\t%d\n",
 783              g->layout_splinefactor);
 784
 785   if (g->late_edge_labels != G_LATE_EDGE_LABELS)
 786     fprintf (fout, "\tlate_edge_labels:\t%s\n",
 787              get_decision_str (g->late_edge_labels));
 788   if (g->display_edge_labels != G_DISPLAY_EDGE_LABELS)
 789     fprintf (fout, "\tdisplay_edge_labels:\t%s\n",
 790              get_decision_str (g->display_edge_labels));
 791   if (g->dirty_edge_labels != G_DIRTY_EDGE_LABELS)
 792     fprintf (fout, "\tdirty_edge_labels:\t%s\n",
 793              get_decision_str (g->dirty_edge_labels));
 794   if (g->finetuning != G_FINETUNING)
 795     fprintf (fout, "\tfinetuning:\t%s\n",
 796              get_decision_str (g->finetuning));
 797   if (g->ignore_singles != G_IGNORE_SINGLES)
 798     fprintf (fout, "\tignore_singles:\t%s\n",
 799              get_decision_str (g->ignore_singles));
 800   if (g->long_straight_phase != G_LONG_STRAIGHT_PHASE)
 801     fprintf (fout, "\tlong_straight_phase:\t%s\n",
 802              get_decision_str (g->long_straight_phase));
 803   if (g->priority_phase != G_PRIORITY_PHASE)
 804     fprintf (fout, "\tpriority_phase:\t%s\n",
 805              get_decision_str (g->priority_phase));
 806   if (g->manhattan_edges != G_MANHATTAN_EDGES)
 807     fprintf (fout,
 808              "\tmanhattan_edges:\t%s\n",
 809              get_decision_str (g->manhattan_edges));
 810   if (g->smanhattan_edges != G_SMANHATTAN_EDGES)
 811     fprintf (fout,
 812              "\tsmanhattan_edges:\t%s\n",
 813              get_decision_str (g->smanhattan_edges));
 814   if (g->near_edges != G_NEAR_EDGES)
 815     fprintf (fout, "\tnear_edges:\t%s\n",
 816              get_decision_str (g->near_edges));
 817
 818   if (g->orientation != G_ORIENTATION)
 819     fprintf (fout, "\torientation:\t%s\n",
 820              get_orientation_str (g->orientation));
 821
 822   if (g->node_alignment != G_NODE_ALIGNMENT)
 823     fprintf (fout, "\tnode_alignment:\t%s\n",
 824              get_node_alignment_str (g->node_alignment));
 825
 826   if (g->port_sharing != G_PORT_SHARING)
 827     fprintf (fout, "\tport_sharing:\t%s\n",
 828              get_decision_str (g->port_sharing));
 829
 830   if (g->arrow_mode != G_ARROW_MODE)
 831     fprintf (fout, "\tarrow_mode:\t%s\n",
 832              get_arrow_mode_str (g->arrow_mode));
 833
 834   if (g->treefactor != G_TREEFACTOR)
 835     fprintf (fout, "\ttreefactor:\t%f\n", g->treefactor);
 836   if (g->spreadlevel != G_SPREADLEVEL)
 837     fprintf (fout, "\tspreadlevel:\t%d\n", g->spreadlevel);
 838
 839   if (g->crossing_weight != G_CROSSING_WEIGHT)
 840     fprintf (fout, "\tcrossing_weight:\t%s\n",
 841              get_crossing_type_str (g->crossing_weight));
 842   if (g->crossing_phase2 != G_CROSSING_PHASE2)
 843     fprintf (fout, "\tcrossing_phase2:\t%s\n",
 844              get_decision_str (g->crossing_phase2));
 845   if (g->crossing_optimization != G_CROSSING_OPTIMIZATION)
 846     fprintf (fout, "\tcrossing_optimization:\t%s\n",
 847              get_decision_str (g->crossing_optimization));
 848
 849   if (g->view != G_VIEW)
 850     fprintf (fout, "\tview:\t%s\n", get_view_str (g->view));
 851
 852   if (g->edges != G_EDGES)
 853     fprintf (fout, "\tedges:\t%s\n", get_decision_str (g->edges));
 854
 855   if (g->nodes != G_NODES)
 856     fprintf (fout,"\tnodes:\t%s\n", get_decision_str (g->nodes));
 857
 858   if (g->splines != G_SPLINES)
 859     fprintf (fout, "\tsplines:\t%s\n", get_decision_str (g->splines));
 860
 861   if (g->bmax != G_BMAX)
 862     fprintf (fout, "\tbmax:\t%d\n", g->bmax);
 863   if (g->cmin != G_CMIN)
 864     fprintf (fout, "\tcmin:\t%d\n", g->cmin);
 865   if (g->cmax != G_CMAX)
 866     fprintf (fout, "\tcmax:\t%d\n", g->cmax);
 867   if (g->pmin != G_PMIN)
 868     fprintf (fout, "\tpmin:\t%d\n", g->pmin);
 869   if (g->pmax != G_PMAX)
 870     fprintf (fout, "\tpmax:\t%d\n", g->pmax);
 871   if (g->rmin != G_RMIN)
 872     fprintf (fout, "\trmin:\t%d\n", g->rmin);
 873   if (g->rmax != G_RMAX)
 874     fprintf (fout, "\trmax:\t%d\n", g->rmax);
 875   if (g->smax != G_SMAX)
 876     fprintf (fout, "\tsmax:\t%d\n", g->smax);
 877 }