src/main.c

   1 /* GOB C Preprocessor
   2  * Copyright (C) 1999 the Free Software Foundation.
   3  *
   4  * Author: George Lebl
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the  Free Software
  18  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19  * USA.
  20  */
  21
  22 #include "config.h"
  23 #include <glib.h>
  24 #include <popt.h>
  25 #include <time.h>
  26 #include <stdio.h>
  27 #include <string.h>
  28
  29 #include "tree.h"
  30 #include "parse.h"
  31 #include "out.h"
  32
  33 char *filename = "stdin";
  34
  35 int yyparse(void);
  36
  37 extern int yydebug;
  38 extern FILE * yyin;
  39 extern Node *class;
  40 extern GList *nodes;
  41
  42 char *filebase;
  43 static char *funcbase;
  44 static char *pfuncbase;
  45 static char *macrobase;
  46 static char *macrois;
  47 static char *typebase;
  48 static char *ptypebase;
  49
  50 static int signals = 0;
  51 static int arguments = 0;
  52 static int overrides = 0;
  53
  54 FILE *out;
  55 FILE *outh;
  56
  57 int exit_on_warn = FALSE;
  58
  59 static void
  60 print_error(int is_warn, char *error,int line)
  61 {
  62         char *w;
  63         if(is_warn)
  64                 w = "Warning:";
  65         else
  66                 w = "Error:";
  67         if(line>0)
  68                 fprintf(stderr,"%s:%d: %s %s\n",filename,line,w,error);
  69         else
  70                 fprintf(stderr,"%s: %s %s\n",filename,w,error);
  71         if(!is_warn || exit_on_warn)
  72                 exit(1);
  73 }
  74
  75 static char *
  76 remove_sep(char *base)
  77 {
  78         char *p;
  79         char *s = g_strdup(base);
  80         while((p=strchr(s,':')))
  81                 strcpy(p,p+1);
  82         return s;
  83 }
  84
  85 static char *
  86 replace_sep(char *base, char r)
  87 {
  88         char *p;
  89         char *s = g_strdup(base);
  90         while((p=strchr(s,':')))
  91                 *p = r;
  92         if(*s == r) {
  93                 p = g_strdup(s+1);
  94                 g_free(s);
  95                 return p;
  96         }
  97         return s;
  98 }
  99
 100 /*separate the namespace part and then replace rest of
 101   separators with r*/
 102 static void
 103 separns_replace_sep(char *base, char **ns, char **name, char r)
 104 {
 105         char *p;
 106         char *s = g_strdup(base);
 107         *ns = NULL;
 108         if((p=strchr(s,':')) && p!=s) {
 109                 *p = '\0';
 110                 *ns = g_strdup(s);
 111                 p = g_strdup(p+1);
 112                 g_free(s);
 113                 s = p;
 114         }
 115         while((p=strchr(s,':')))
 116                 *p = r;
 117         if(*s == r) {
 118                 *name = g_strdup(s+1);
 119                 g_free(s);
 120         } else
 121                 *name = s;
 122 }
 123
 124 static char *
 125 make_is_macro(char *base)
 126 {
 127         char *s1,*s2;
 128         char *s;
 129
 130         separns_replace_sep(base,&s1,&s2,'_');
 131         if(s1)
 132                 s = g_strconcat(s1,"_IS_",s2,NULL);
 133         else
 134                 s = g_strconcat("IS_",s2,NULL);
 135
 136         g_strup(s);
 137
 138         g_free(s1);
 139         g_free(s2);
 140
 141         return s;
 142 }
 143
 144 static void
 145 make_bases(void)
 146 {
 147         filebase = replace_sep(((Class *)class)->otype,'-');
 148         g_strdown(filebase);
 149
 150         funcbase = replace_sep(((Class *)class)->otype,'_');
 151         g_strdown(funcbase);
 152
 153         pfuncbase = replace_sep(((Class *)class)->ptype,'_');
 154         g_strdown(pfuncbase);
 155
 156         macrobase = replace_sep(((Class *)class)->otype,'_');
 157         g_strup(macrobase);
 158
 159         macrois = make_is_macro(((Class *)class)->otype);
 160
 161         typebase = remove_sep(((Class *)class)->otype);
 162
 163         ptypebase = remove_sep(((Class *)class)->ptype);
 164 }
 165
 166 static void
 167 def_methods(Class *c)
 168 {
 169         GList *li;
 170
 171         out_printf(out,"\n");
 172         for(li=c->nodes;li;li=g_list_next(li)) {
 173                 Node *node = li->data;
 174                 if(node->type == METHOD_NODE) {
 175                         Method *m = (Method *)node;
 176
 177                         if(m->scope == INIT_METHOD ||
 178                            m->scope == CLASS_INIT_METHOD ||
 179                            m->scope == OVERRIDE_METHOD)
 180                                 continue;
 181
 182                         out_printf(out,"#define %s %s_%s\n",m->id,funcbase,m->id);
 183                 }
 184         }
 185         out_printf(out,"\n");
 186 }
 187
 188 static void
 189 undef_methods(Class *c)
 190 {
 191         GList *li;
 192
 193         out_printf(out,"\n");
 194         for(li=c->nodes;li;li=g_list_next(li)) {
 195                 Node *node = li->data;
 196                 if(node->type == METHOD_NODE) {
 197                         Method *m = (Method *)node;
 198
 199                         if(m->scope == INIT_METHOD ||
 200                            m->scope == CLASS_INIT_METHOD ||
 201                            m->scope == OVERRIDE_METHOD)
 202                                 continue;
 203
 204                         out_printf(out,"#undef %s\n",m->id);
 205                 }
 206         }
 207         out_printf(out,"\n");
 208 }
 209
 210 static void
 211 print_type(FILE *fp, Type *t)
 212 {
 213         char *s;
 214         int i;
 215         s = remove_sep(t->name);
 216         out_printf(fp,"%s ",s);
 217         g_free(s);
 218
 219         for(i=0;i<t->stars;i++)
 220                 out_printf(fp,"*");
 221 }
 222
 223 static void
 224 put_variable(Variable *v)
 225 {
 226         out_printf(outh,"\t");
 227         if(v->scope == PRIVATE_SCOPE)
 228                 out_printf(outh,"/* private */ ");
 229         print_type(outh,v->vtype);
 230
 231         out_printf(outh,"%s;\n",v->id);
 232 }
 233
 234 static void
 235 print_method(FILE *fp, char *typeprefix, char *nameprefix,
 236              char *namepostfix,char *postfix, Method *m)
 237 {
 238         GList *li;
 239
 240         out_printf(fp,"%s",typeprefix);
 241         print_type(fp,m->mtype);
 242         out_printf(fp,"%s%s_%s%s(",
 243                 nameprefix,funcbase,m->id,namepostfix);
 244
 245         if(m->args) {
 246                 for(li=m->args;li;li=g_list_next(li)) {
 247                         FuncArg *arg = li->data;
 248                         print_type(fp,arg->atype);
 249                         if(li->next)
 250                                 out_printf(fp,"%s, ",arg->name);
 251                         else
 252                                 out_printf(fp,"%s",arg->name);
 253
 254                 }
 255         } else {
 256                 out_printf(fp,"void");
 257         }
 258         out_printf(fp,")%s\n",postfix);
 259 }
 260
 261 static void
 262 put_vs_method(Method *m)
 263 {
 264         if(m->scope != SIGNAL_LAST_METHOD &&
 265            m->scope != SIGNAL_FIRST_METHOD &&
 266            m->scope != VIRTUAL_METHOD)
 267                 return;
 268
 269         print_method(outh,"\t","(* ",") ",";",m);
 270 }
 271
 272 static void
 273 put_pub_method(Method *m)
 274 {
 275         if(m->scope == PRIVATE_SCOPE ||
 276            m->scope == OVERRIDE_METHOD ||
 277            m->scope == INIT_METHOD ||
 278            m->scope == CLASS_INIT_METHOD)
 279                 return;
 280
 281         print_method(outh,"","\t","\t",";",m);
 282 }
 283
 284 static void
 285 put_priv_method_prot(Method *m)
 286 {
 287         if(m->scope == PUBLIC_SCOPE)
 288                 return;
 289
 290         if(m->scope == SIGNAL_LAST_METHOD ||
 291            m->scope == SIGNAL_FIRST_METHOD ||
 292            m->scope == VIRTUAL_METHOD) {
 293                 if(!m->cbuf)
 294                         return;
 295                 print_method(out,"static ","_real_"," ",";",m);
 296         } else {
 297                 print_method(out,"static ",""," ",";",m);
 298         }
 299 }
 300
 301 static GList *
 302 make_init_args(Class *cl, char *name, int is_class)
 303 {
 304         Node *node;
 305         Node *type;
 306         char *tn;
 307
 308         if(is_class)
 309                 tn = g_strconcat(cl->otype,":Class",NULL);
 310         else
 311                 tn = g_strdup(cl->otype);
 312
 313         type = new_type(1,tn);
 314         node = new_funcarg((Type *)type,name,NULL);
 315         return g_list_prepend(NULL, node);
 316 }
 317
 318 static void
 319 make_inits(Class *cl)
 320 {
 321         int got_class_init = FALSE;
 322         int got_init = FALSE;
 323         GList *li;
 324         Node *node;
 325         for(li=cl->nodes;li;li=g_list_next(li)) {
 326                 Node *n = li->data;
 327                 if(n->type == METHOD_NODE) {
 328                         Method *m = (Method *)n;
 329                         if(m->scope == INIT_METHOD) {
 330                                 if(got_init)
 331                                         print_error(FALSE,"init defined more then once",m->line_no);
 332                                 got_init = TRUE;
 333                         } else if(m->scope == CLASS_INIT_METHOD) {
 334                                 if(got_class_init)
 335                                         print_error(FALSE,"class_init defined more then once",m->line_no);
 336                                 got_class_init = TRUE;
 337                         }
 338                 }
 339         }
 340         if(!got_class_init) {
 341                 node = new_method(CLASS_INIT_METHOD,
 342                                   (Type *)new_type(0,g_strdup("void")),
 343                                   NULL,NULL,g_strdup("class_init"),
 344                                   make_init_args(cl,g_strdup("c"),TRUE),
 345                                   NULL, NULL,0,0);
 346                 cl->nodes = g_list_prepend(cl->nodes,node);
 347         }
 348         if(!got_init) {
 349                 node = new_method(INIT_METHOD,
 350                                   (Type *)new_type(0,g_strdup("void")),
 351                                   NULL,NULL,g_strdup("init"),
 352                                   make_init_args(cl,g_strdup("o"),FALSE),
 353                                   NULL, NULL,0,0);
 354                 cl->nodes = g_list_prepend(cl->nodes,node);
 355         }
 356 }
 357
 358 static GHashTable *marsh = NULL;
 359
 360 static void
 361 add_signal_prots(Method *m)
 362 {
 363         GList *li;
 364         static int sig = 1;
 365         char *s;
 366
 367         if(m->scope != SIGNAL_LAST_METHOD &&
 368            m->scope != SIGNAL_FIRST_METHOD)
 369                 return;
 370
 371         if(!marsh)
 372                 marsh = g_hash_table_new(NULL,NULL);
 373
 374         if(strcmp(m->gtktypes->data,"NONE")==0 &&
 375            strcmp(m->gtktypes->next->data,"NONE")==0)
 376                 return;
 377
 378         s = g_strdup_printf("__Sig%d",sig++);
 379
 380         g_hash_table_insert(marsh,m,s);
 381
 382         out_printf(out,"\ntypedef ");
 383         print_type(out,m->mtype);
 384
 385         out_printf(out,"(*%s) (",s);
 386
 387         for(li=m->args;li;li=g_list_next(li)) {
 388                 FuncArg *arg = li->data;
 389                 print_type(out,arg->atype);
 390                 out_printf(out,", ");
 391         }
 392         out_printf(out,"gpointer);\n");
 393
 394         out_printf(out,"\nstatic void\n"
 395                 "marshal_%s (GtkObject * object,\n"
 396                 "\tGtkSignalFunc func,\n"
 397                 "\tgpointer func_data,\n"
 398                 "\tGtkArg * args)\n"
 399                 "{\n",s);
 400
 401         if(strcmp(m->gtktypes->data,"NONE")==0) {
 402                 int i;
 403                 out_printf(out, "\t%s rfunc;\n\n"
 404                         "\trfunc = (%s)func;\n\n"
 405                         "\t(*rfunc)((%s *)object",s,s,typebase);
 406                 if(strcmp(m->gtktypes->next->data,"NONE")!=0) {
 407                         for(i=0,li=m->gtktypes->next;li;
 408                             i++,li=g_list_next(li)) {
 409                                 out_printf(out, ",\n\t\tGTK_VALUE_%s(args[%d])",
 410                                         (char *)li->data,i);
 411                         }
 412                 }
 413                 out_printf(out, ",\n\t\tfunc_data);\n}\n\n");
 414         } else {
 415                 int i;
 416                 out_printf(out, "\t%s rfunc;\n\t",s);
 417                 print_type(out,m->mtype);
 418                 out_printf(out, " *retval;\n\n"
 419                         "\trfunc = (%s)func;\n\n"
 420                         "\tretval = GTK_RETLOC_%s(args[%d]);\n\n"
 421                         "\t*retval = (*rfunc)((%s *)object",
 422                         s,(char *)m->gtktypes->data,
 423                         g_list_length(m->gtktypes)-1,typebase);
 424                 if(strcmp(m->gtktypes->next->data,"NONE")!=0) {
 425                         for(i=0,li=m->gtktypes->next;li;
 426                             i++,li=g_list_next(li)) {
 427                                 out_printf(out, ",\n\t\tGTK_VALUE_%s(args[%d])",
 428                                         (char *)li->data,i);
 429                         }
 430                 }
 431                 out_printf(out, ",\n\t\tfunc_data);\n}\n\n");
 432         }
 433
 434 }
 435
 436 static void
 437 add_enums(Class *c)
 438 {
 439         GList *li;
 440         out_printf(out,"\n");
 441         if(signals>0) {
 442                 out_printf(out,"enum {\n");
 443                 for(li=c->nodes;li;li=g_list_next(li)) {
 444                         Node *n = li->data;
 445                         if(n->type == METHOD_NODE) {
 446                                 Method *m = (Method *)n;
 447                                 if(m->scope == SIGNAL_LAST_METHOD ||
 448                                    m->scope == SIGNAL_FIRST_METHOD) {
 449                                         char *s = g_strdup(m->id);
 450                                         g_strup(s);
 451                                         out_printf(out,"\t%s_SIGNAL,\n",s);
 452                                         g_free(s);
 453                                 }
 454                         }
 455                 }
 456                 out_printf(out,"\tLAST_SIGNAL\n};\n\n");
 457         }
 458         if(arguments>0) {
 459                 out_printf(out,"enum {\n\tARG_0,\n");
 460                 for(li=c->nodes;li;li=g_list_next(li)) {
 461                         Node *n = li->data;
 462                         if(n->type == ARGUMENT_NODE) {
 463                                 Argument *a = (Argument *)n;
 464                                 char *s = g_strdup(a->name);
 465                                 g_strup(s);
 466                                 out_printf(out,"\tARG_%s,\n",s);
 467                                 g_free(s);
 468                         }
 469                 }
 470                 out_printf(out, "};\n\n");
 471         }
 472
 473         if(signals>0)
 474                 out_printf(out,
 475                            "static guint object_signals[LAST_SIGNAL] = {0};\n\n");
 476
 477         out_printf(out, "static %sClass *parent_class = NULL;\n\n",ptypebase);
 478 }
 479
 480 static void
 481 add_get_type(void)
 482 {
 483         out_printf(out, "guint\n"
 484                 "%s_get_type (void)\n"
 485                 "{\n"
 486                 "\tstatic guint type = 0;\n\n"
 487                 "\tif (!type) {\n"
 488                 "\t\tstatic const GtkTypeInfo info = {\n"
 489                 "\t\t\t\"%s\",\n"
 490                 "\t\t\tsizeof (%s),\n"
 491                 "\t\t\tsizeof (%sClass),\n"
 492                 "\t\t\t(GtkClassInitFunc) %s_class_init,\n"
 493                 "\t\t\t(GtkObjectInitFunc) %s_init,\n"
 494                 "\t\t\t/* reserved_1 */ NULL,\n"
 495                 "\t\t\t/* reserved_2 */ NULL,\n"
 496                 "\t\t\t(GtkClassInitFunc) NULL,\n"
 497                 "\t\t};\n\n"
 498                 "\t\ttype = gtk_type_unique (%s_get_type(), &info);\n"
 499                 "\t}\n\n"
 500                 "\treturn type;\n"
 501                 "}\n\n",
 502                 funcbase,typebase,typebase,typebase,
 503                 funcbase,funcbase,pfuncbase);
 504 }
 505
 506 static void
 507 add_overrides(Class *c, char *oname)
 508 {
 509         GList *li;
 510         GHashTable *done;
 511         char *s;
 512
 513         done = g_hash_table_new(g_str_hash,g_str_equal);
 514         s = g_strdup("GtkObject"); /* This was already done */
 515         g_hash_table_insert(done,s,s);
 516         for(li=c->nodes;li;li=g_list_next(li)) {
 517                 Node *n = li->data;
 518                 char *f;
 519                 Method *m;
 520                 if(n->type != METHOD_NODE ||
 521                    ((Method *)n)->scope != OVERRIDE_METHOD)
 522                         continue;
 523                 m = (Method *)n;
 524
 525                 s = remove_sep(m->otype);
 526
 527                 if(g_hash_table_lookup(done,s)) {
 528                         g_free(s);
 529                         continue;
 530                 }
 531                 g_hash_table_insert(done,s,s);
 532
 533                 f = replace_sep(m->otype,'_');
 534                 g_strdown(f);
 535
 536                 out_printf(out,"\t%sClass *%s_class = (%sClass *)%s;\n",
 537                         s,f,s,oname);
 538
 539                 g_free(f);
 540         }
 541         g_hash_table_foreach(done,(GHFunc)g_free,NULL);
 542         g_hash_table_destroy(done);
 543 }
 544
 545 static void
 546 add_signals(Class *c)
 547 {
 548         GList *li;
 549
 550         out_printf(out,"\n");
 551         for(li=c->nodes;li;li=g_list_next(li)) {
 552                 Node *n = li->data;
 553                 Method *m;
 554                 char *mar;
 555                 char *sig;
 556                 int is_none;
 557                 if(n->type != METHOD_NODE ||
 558                    (((Method *)n)->scope != SIGNAL_FIRST_METHOD &&
 559                     ((Method *)n)->scope != SIGNAL_LAST_METHOD))
 560                         continue;
 561
 562                 m = (Method *)n;
 563
 564                 if(g_hash_table_lookup(marsh,m))
 565                         mar = g_strconcat("marshal_",
 566                                           (char *)g_hash_table_lookup(marsh,m),
 567                                           NULL);
 568                 else
 569                         mar = g_strdup("gtk_signal_default_marshaller");
 570
 571                 is_none = (strcmp(m->gtktypes->next->data,"NONE")==0);
 572
 573                 sig = g_strdup(m->id);
 574                 g_strup(sig);
 575                 out_printf(out,"\tobject_signals[%s_SIGNAL] =\n"
 576                         "\t\tgtk_signal_new (\"%s\",\n"
 577                         "\t\t\tGTK_RUN_%s,\n"
 578                         "\t\t\tgtk_object_class->type,\n"
 579                         "\t\t\tGTK_SIGNAL_OFFSET (%sClass, %s),\n"
 580                         "\t\t\t%s,\n"
 581                         "\t\t\tGTK_TYPE_%s, %d",
 582                         sig,m->id,
 583                         m->scope==SIGNAL_LAST_METHOD?"LAST":"FIRST",
 584                         typebase,m->id,mar,(char *)m->gtktypes->data,
 585                         is_none?0:g_list_length(m->gtktypes->next));
 586                 g_free(mar);
 587                 g_free(sig);
 588
 589                 if(!is_none) {
 590                         GList *l;
 591                         for(l=m->gtktypes->next;l;l=g_list_next(l))
 592                                 out_printf(out,",\n\t\t\tGTK_TYPE_%s",
 593                                         (char *)l->data);
 594                 }
 595
 596                 out_printf(out,");\n");
 597         }
 598         out_printf(out,"\tgtk_object_class_add_signals (gtk_object_class,\n"
 599                 "\t\tobject_signals, LAST_SIGNAL);\n\n");
 600 }
 601
 602 static void
 603 set_def_handlers(Class *c, char *oname)
 604 {
 605         GList *li;
 606
 607         out_printf(out,"\n");
 608         for(li=c->nodes;li;li=g_list_next(li)) {
 609                 Node *n = li->data;
 610                 Method *m;
 611                 if(n->type != METHOD_NODE ||
 612                    (((Method *)n)->scope != SIGNAL_FIRST_METHOD &&
 613                     ((Method *)n)->scope != SIGNAL_LAST_METHOD &&
 614                     ((Method *)n)->scope != VIRTUAL_METHOD &&
 615                     ((Method *)n)->scope != OVERRIDE_METHOD))
 616                         continue;
 617
 618                 m = (Method *)n;
 619
 620                 if(m->scope == OVERRIDE_METHOD) {
 621                         char *s;
 622                         s = replace_sep(m->otype,'_');
 623                         g_strdown(s);
 624                         out_printf(out,"\t%s_class->%s = %s_%s;\n",
 625                                 s,m->id,funcbase,m->id);
 626                 } else {
 627                         if(m->cbuf)
 628                                 out_printf(out,"\t%s->%s = _real_%s_%s;\n",
 629                                         oname,m->id,funcbase,m->id);
 630                         else
 631                                 out_printf(out,"\t%s->%s = NULL;\n",
 632                                         oname,m->id);
 633                 }
 634         }
 635 }
 636
 637 static void
 638 make_arguments(Class *c)
 639 {
 640         GList *li;
 641
 642         out_printf(out,"\n");
 643         for(li=c->nodes;li;li=g_list_next(li)) {
 644                 Node *n = li->data;
 645                 Argument *a;
 646                 GString *flags;
 647                 GList *l;
 648                 char *s;
 649                 if(n->type != ARGUMENT_NODE)
 650                         continue;
 651
 652                 a = (Argument *)n;
 653
 654                 if(a->get && a->set)
 655                         flags = g_string_new("GTK_ARG_READWRITE");
 656                 else if(a->get)
 657                         flags = g_string_new("GTK_ARG_READABLE");
 658                 else
 659                         flags = g_string_new("GTK_ARG_WRITABLE");
 660
 661                 for(l=a->flags;l;l=g_list_next(l))
 662                         g_string_sprintfa(flags," | GTK_ARG_%s",(char *)l->data);
 663
 664                 s = g_strdup(a->name);
 665                 g_strup(s);
 666                 out_printf(out,"\tgtk_object_add_arg_type(\"%s::%s\",\n"
 667                         "\t\tGTK_TYPE_%s,\n"
 668                         "\t\t%s,\n"
 669                         "\t\tARG_%s);\n",
 670                         typebase,a->name,a->gtktype,flags->str,s);
 671                 g_free(s);
 672                 g_string_free(flags,TRUE);
 673         }
 674
 675         out_printf(out,
 676                    "\n\tgtk_object_class->set_arg = __object_set_arg;\n"
 677                    "\tgtk_object_class->get_arg = __object_get_arg;\n");
 678 }
 679
 680 static void
 681 add_inits(Class *c)
 682 {
 683         GList *li;
 684         for(li=c->nodes;li;li=g_list_next(li)) {
 685                 Node *n = li->data;
 686                 Method *m;
 687                 if(n->type != METHOD_NODE)
 688                         continue;
 689                 m = (Method *)n;
 690                 if(m->scope == INIT_METHOD) {
 691                         if(m->line_no>0)
 692                                 out_addline_infile(out,m->line_no);
 693                         print_method(out,"static ","\n"," ","",m);
 694                         if(m->line_no>0)
 695                                 out_addline_outfile(out);
 696                         out_printf(out,"{\n");
 697                 } else if(m->scope == CLASS_INIT_METHOD) {
 698                         if(m->line_no>0)
 699                                 out_addline_infile(out,m->line_no);
 700                         print_method(out,"static ","\n"," ","",m);
 701                         if(m->line_no>0)
 702                                 out_addline_outfile(out);
 703                         out_printf(out,"{\n");
 704                         if(signals>0 ||
 705                            arguments>0 ||
 706                            overrides>0)
 707                                 out_printf(out,
 708                                            "\tGtkObjectClass *"
 709                                            "gtk_object_class = "
 710                                            "(GtkObjectClass*) %s;\n",
 711                                            ((FuncArg *)m->args->data)->name);
 712
 713                         if(overrides>0)
 714                                 add_overrides(c,
 715                                               ((FuncArg *)m->args->data)->name);
 716
 717                         out_printf(out,"\n\tparent_class = "
 718                                 "gtk_type_class (%s_get_type ());\n",
 719                                 pfuncbase);
 720
 721                         if(signals>0)
 722                                 add_signals(c);
 723
 724                         set_def_handlers(c, ((FuncArg *)m->args->data)->name);
 725
 726                         if(arguments>0)
 727                                 make_arguments(c);
 728                 } else
 729                         continue;
 730
 731                 if(m->cbuf) {
 732                         out_printf(out," {\n");
 733                         out_addline_infile(out,m->ccode_line);
 734                         out_printf(out,"%s\n",m->cbuf->str);
 735                         out_addline_outfile(out);
 736                         out_printf(out," }\n",m->cbuf->str);
 737                 } else {
 738                         out_printf(out,"return;\n");
 739                 }
 740                 out_printf(out,"}\n");
 741         }
 742 }
 743
 744 static void
 745 add_getset_arg(Class *c, int is_set)
 746 {
 747         GList *li;
 748         out_printf(out,"\nstatic void\n"
 749                 "__object_%s_arg (GtkObject *object,\n"
 750                 "\tGtkArg *arg,\n"
 751                 "\tguint arg_id)\n"
 752                 "{\n"
 753                 "\t%s *this;\n\n"
 754                 "\tthis = %s (object);\n\n"
 755                 "\tswitch (arg_id) {\n",
 756                 is_set?"set":"get",typebase,macrobase);
 757
 758         for(li=c->nodes;li;li=g_list_next(li)) {
 759                 Node *n = li->data;
 760                 Argument *a;
 761                 char *s;
 762                 GString *cbuf;
 763                 int line_no;
 764                 if(n->type != ARGUMENT_NODE)
 765                         continue;
 766                 a = (Argument *)n;
 767                 if(is_set) {
 768                         cbuf = a->set;
 769                         line_no = a->set_line;
 770                 } else {
 771                         cbuf = a->get;
 772                         line_no = a->get_line;
 773                 }
 774                 if(!cbuf)
 775                         continue;
 776                 s = g_strdup(a->name);
 777                 g_strup(s);
 778                 out_printf(out,"\tcase ARG_%s:\n"
 779                         "#define ARG (GTK_VALUE_%s(*arg))\n"
 780                         "\t\t{\n",
 781                         s,a->gtktype);
 782                 g_free(s);
 783                 out_addline_infile(out,line_no);
 784                 out_printf(out,"%s\n",cbuf->str);
 785                 out_addline_outfile(out);
 786                 out_printf(out,"\t\t}\n\t\tbreak;\n"
 787                         "#undef ARG\n");
 788         }
 789         out_printf(out,"\tdefault:\n\t\tbreak;\n\t}\n}\n");
 790 }
 791
 792 static void
 793 print_checks(Method *m, FuncArg *fa)
 794 {
 795         GList *li;
 796         int is_void;
 797         is_void = (strcmp(m->mtype->name,"void")==0 &&
 798                    m->mtype->stars == 0);
 799
 800         for(li=fa->checks;li;li=g_list_next(li)) {
 801                 Check *ch = li->data;
 802                 char *s;
 803                 if(is_void)
 804                         out_printf(out,"\tg_return_if_fail (");
 805                 else
 806                         out_printf(out,"\tg_return_val_if_fail (");
 807                 switch(ch->chtype) {
 808                 case NULL_CHECK:
 809                         out_printf(out,"%s != NULL",fa->name);
 810                         break;
 811                 case TYPE_CHECK:
 812                         s = make_is_macro(fa->atype->name);
 813                         out_printf(out,"%s (%s)",s,fa->name);
 814                         g_free(s);
 815                         break;
 816                 case LT_CHECK:
 817                         out_printf(out,"%s < %s",fa->name,ch->number);
 818                         break;
 819                 case GT_CHECK:
 820                         out_printf(out,"%s > %s",fa->name,ch->number);
 821                         break;
 822                 case LE_CHECK:
 823                         out_printf(out,"%s <= %s",fa->name,ch->number);
 824                         break;
 825                 case GE_CHECK:
 826                         out_printf(out,"%s >= %s",fa->name,ch->number);
 827                         break;
 828                 case EQ_CHECK:
 829                         out_printf(out,"%s == %s",fa->name,ch->number);
 830                         break;
 831                 case NE_CHECK:
 832                         out_printf(out,"%s != %s",fa->name,ch->number);
 833                         break;
 834                 }
 835                 if(is_void)
 836                         out_printf(out,");\n");
 837                 else {
 838                         out_printf(out,", (");
 839                         print_type(out,m->mtype);
 840                         out_printf(out,")%s);\n",
 841                                 m->onerror?m->onerror:"0");
 842                 }
 843         }
 844 }
 845
 846 static void
 847 print_preconditions(Method *m)
 848 {
 849         GList *li;
 850
 851         for(li=m->args;li;li=g_list_next(li)) {
 852                 FuncArg *fa = li->data;
 853                 if(fa->checks)
 854                         print_checks(m,fa);
 855         }
 856 }
 857
 858 static void
 859 print_method_body(Method *m, int pre)
 860 {
 861         out_printf(out,"{\n");
 862         if(pre) {
 863                 print_preconditions(m);
 864                 out_printf(out,"\t{\n");
 865         }
 866
 867         out_addline_infile(out,m->ccode_line);
 868         out_printf(out,"\t\t%s\n",m->cbuf->str);
 869         out_addline_outfile(out);
 870
 871         if(pre)
 872                 out_printf(out,"\t}\n");
 873         out_printf(out,"}\n");
 874 }
 875
 876 static void
 877 put_method(Method *m)
 878 {
 879         char *s;
 880         out_printf(out,"\n");
 881         switch(m->scope) {
 882         case PUBLIC_SCOPE:
 883                 out_addline_infile(out,m->line_no);
 884                 print_method(out,"","\n"," ","",m);
 885                 print_method_body(m,TRUE);
 886                 break;
 887         case PRIVATE_SCOPE:
 888                 out_addline_infile(out,m->line_no);
 889                 print_method(out,"static ","\n"," ","",m);
 890                 print_method_body(m,TRUE);
 891                 break;
 892         case SIGNAL_FIRST_METHOD:
 893         case SIGNAL_LAST_METHOD:
 894                 out_addline_infile(out,m->line_no);
 895                 print_method(out,"","\n"," ","",m);
 896                 out_addline_outfile(out);
 897                 out_printf(out,"{\n");
 898                 s = g_strdup(m->id);
 899                 g_strup(s);
 900                 if(strcmp(m->mtype->name,"void")==0 &&
 901                    m->mtype->stars==0) {
 902                         GList *li;
 903                         print_preconditions(m);
 904                         out_printf(out,"\tgtk_signal_emit (GTK_OBJECT (this),\n"
 905                                 "\t\tobject_signals[%s_SIGNAL]",s);
 906                         for(li=m->args->next;li;li=g_list_next(li)) {
 907                                 FuncArg *fa = li->data;
 908                                 out_printf(out,",\n\t\t%s",fa->name);
 909                         }
 910                         out_printf(out,");\n}\n");
 911                 } else {
 912                         GList *li;
 913                         out_printf(out,"\t");
 914                         print_type(out,m->mtype);
 915                         out_printf(out,"return_val;\n");
 916                         print_preconditions(m);
 917                         out_printf(out,"\tgtk_signal_emit (GTK_OBJECT (this),\n"
 918                                 "\t\tobject_signals[%s_SIGNAL]",s);
 919                         for(li=m->args->next;li;li=g_list_next(li)) {
 920                                 FuncArg *fa = li->data;
 921                                 out_printf(out,",\n\t\t%s",fa->name);
 922                         }
 923                         out_printf(out,",\n\t\t&return_val);\n"
 924                                 "\treturn return_val;\n}\n");
 925                 }
 926
 927                 if(!m->cbuf)
 928                         break;
 929                 out_addline_infile(out,m->line_no);
 930                 print_method(out,"static ","\n_real_"," ","",m);
 931                 print_method_body(m,FALSE);
 932                 break;
 933         case VIRTUAL_METHOD:
 934                 out_addline_infile(out,m->line_no);
 935                 print_method(out,"","\n"," ","",m);
 936                 out_addline_outfile(out);
 937                 out_printf(out,"{\n"
 938                         "\t%sClass *class;\n",typebase);
 939                 print_preconditions(m);
 940                 out_printf(out,"\tclass = %s_CLASS(GTK_OBJECT(this)->klass);\n\n"
 941                         "\tif(class->%s)\n",
 942                         macrobase,m->id);
 943                 if(strcmp(m->mtype->name,"void")==0 &&
 944                    m->mtype->stars==0) {
 945                         GList *li;
 946                         out_printf(out,"\t\t(*class->%s)(this",m->id);
 947                         for(li=m->args->next;li;li=g_list_next(li)) {
 948                                 FuncArg *fa = li->data;
 949                                 out_printf(out,",%s",fa->name);
 950                         }
 951                         out_printf(out,");\n}\n");
 952                 } else {
 953                         GList *li;
 954                         out_printf(out,"\t\treturn (*class->%s)(this",m->id);
 955                         for(li=m->args->next;li;li=g_list_next(li)) {
 956                                 FuncArg *fa = li->data;
 957                                 out_printf(out,",%s",fa->name);
 958                         }
 959                         out_printf(out,");\n"
 960                                 "\telse\n"
 961                                 "\t\treturn (");
 962                         print_type(out,m->mtype);
 963                         out_printf(out,")(%s);\n}\n",
 964                                 m->onerror?m->onerror:"0");
 965                 }
 966
 967                 if(!m->cbuf)
 968                         break;
 969                 out_addline_infile(out,m->line_no);
 970                 print_method(out,"static ","\n_real_"," ","",m);
 971                 print_method_body(m,FALSE);
 972                 break;
 973         case OVERRIDE_METHOD:
 974                 out_addline_infile(out,m->line_no);
 975                 print_method(out,"static ","\n"," ","",m);
 976                 print_method_body(m,TRUE);
 977                 break;
 978         default:
 979                 break;
 980         }
 981 }
 982
 983 static int
 984 count_signals(Class *c)
 985 {
 986         int num = 0;
 987         GList *l;
 988         for(l=c->nodes;l;l=g_list_next(l)) {
 989                 Node *n = l->data;
 990                 if(n->type == METHOD_NODE) {
 991                         Method *m = (Method *)n;
 992                         if(m->scope == SIGNAL_LAST_METHOD ||
 993                            m->scope == SIGNAL_FIRST_METHOD)
 994                                 num++;
 995                 }
 996         }
 997         return num;
 998 }
 999
1000 static int
1001 count_arguments(Class *c)
1002 {
1003         int num = 0;
1004         GList *li;
1005
1006         for(li=c->nodes;li;li=g_list_next(li)) {
1007                 Node *n = li->data;
1008                 if(n->type == ARGUMENT_NODE)
1009                         num ++;
1010         }
1011         return num;
1012 }
1013
1014 static int
1015 count_overrides(Class *c)
1016 {
1017         int num = 0;
1018         GList *l;
1019         for(l=c->nodes;l;l=g_list_next(l)) {
1020                 Node *n = l->data;
1021                 if(n->type == METHOD_NODE) {
1022                         Method *m = (Method *)n;
1023                         if(m->scope == OVERRIDE_METHOD)
1024                                 num++;
1025                 }
1026         }
1027         return num;
1028 }
1029
1030
1031 static void
1032 open_files(void)
1033 {
1034         char *outfile,*outfileh;
1035
1036         outfile = g_strconcat(filebase,".c",NULL);
1037         outfileh = g_strconcat(filebase,".h",NULL);
1038
1039         out = fopen(outfile,"w");
1040         if(!out) {
1041                 g_error("Cannot open outfile: %s",outfile);
1042         }
1043         outh = fopen(outfileh,"w");
1044         if(!outh) {
1045                 g_error("Cannot open outfile: %s",outfileh);
1046         }
1047 }
1048
1049 static void
1050 generate_outfiles(void)
1051 {
1052         char *p;
1053         GList *li;
1054         time_t curtime;
1055
1056         time(&curtime);
1057         out_printf(outh,"/* Generated by GOB (v%s) on %s"
1058                "   (do not edit directly) */\n\n",VERSION,ctime(&curtime));
1059         out_printf(out,"/* Generated by GOB (v%s) on %s"
1060                "   (do not edit directly) */\n\n",VERSION,ctime(&curtime));
1061
1062         p = replace_sep(((Class *)class)->otype,'_');
1063         g_strup(p);
1064         out_printf(outh,"#ifndef __%s_H__\n#define __%s_H__\n\n"
1065                 "#include <gtk/gtk.h>\n\n",p,p);
1066         g_free(p);
1067
1068         out_printf(outh,"#ifdef __cplusplus\n"
1069                 "extern \"C\" {\n"
1070                 "#endif /* __cplusplus */\n\n");
1071
1072         out_printf(out,"#include \"%s.h\"\n\n",filebase);
1073
1074         for(li=nodes;li;li=g_list_next(li)) {
1075                 Node *node = li->data;
1076                 if(node->type == CCODE_NODE) {
1077                         CCode *cc = (CCode *)node;
1078                         FILE *fp;
1079                         if(cc->header)
1080                                 fp = outh;
1081                         else {
1082                                 fp = out;
1083                                 out_addline_infile(fp,cc->line_no);
1084                         }
1085                         out_printf(fp,"\n%s\n",cc->cbuf->str);
1086                         if(!cc->header)
1087                                 out_addline_outfile(fp);
1088                 } else if(node->type == CLASS_NODE) {
1089                         GList *l;
1090                         Class *c = (Class *)class;
1091                         char *otype,*ptype;
1092
1093                         signals = count_signals(c);
1094                         arguments = count_arguments(c);
1095                         overrides = count_overrides(c);
1096
1097                         out_printf(outh,"\n#define %s(obj)\t"
1098                                 "GTK_CHECK_CAST((obj),%s_get_type(),%s)\n",
1099                                 macrobase,funcbase,typebase);
1100                         out_printf(outh,"#define %s_CLASS(klass)\t"
1101                                 "GTK_CHECK_CLASS_CAST((klass),%s_get_type(),%sClass)\n",
1102                                 macrobase,funcbase,typebase);
1103                         out_printf(outh,"#define %s(obj)\t"
1104                                 "GTK_CHECK_TYPE((obj), %s_get_type ())\n\n",
1105                                 macrois,funcbase);
1106
1107                         otype = remove_sep(c->otype);
1108                         ptype = remove_sep(c->ptype);
1109                         out_printf(outh,"\ntypedef struct _%s %s;\n",otype,otype);
1110                         out_printf(outh,"struct _%s {\n\t%s __parent__;\n",
1111                                    otype,ptype);
1112                         for(l=c->nodes;l;l=g_list_next(l)) {
1113                                 Node *n = l->data;
1114                                 if(n->type == VARIABLE_NODE)
1115                                         put_variable((Variable *)n);
1116                         }
1117                         out_printf(outh,"};\n");
1118
1119                         out_printf(outh,"\ntypedef struct _%sClass %sClass;\n",
1120                                 otype,otype);
1121                         out_printf(outh,
1122                                 "struct _%sClass {\n\t%sClass __parent__;\n",
1123                                 otype,ptype);
1124                         for(l=c->nodes;l;l=g_list_next(l)) {
1125                                 Node *n = l->data;
1126                                 if(n->type == METHOD_NODE)
1127                                         put_vs_method((Method *)n);
1128                         }
1129                         out_printf(outh,"};\n\n");
1130
1131                         out_printf(outh,"guint\t%s_get_type\t(void);\n",funcbase);
1132
1133                         if(arguments>0) {
1134                                 out_printf(out,"static void __object_set_arg "
1135                                            "(GtkObject *object, GtkArg *arg, "
1136                                            "guint arg_id);\n"
1137                                            "static void __object_get_arg "
1138                                            "(GtkObject *object, GtkArg *arg, "
1139                                            "guint arg_id);\n");
1140                         }
1141
1142                         for(l=c->nodes;l;l=g_list_next(l)) {
1143                                 Node *n = l->data;
1144                                 if(n->type == METHOD_NODE) {
1145                                         put_pub_method((Method *)n);
1146                                         put_priv_method_prot((Method *)n);
1147                                 }
1148                         }
1149
1150                         if(signals>0) {
1151                                 for(l=c->nodes;l;l=g_list_next(l)) {
1152                                         Node *n = l->data;
1153                                         if(n->type == METHOD_NODE) {
1154                                                 add_signal_prots((Method *)n);
1155                                         }
1156                                 }
1157                         }
1158
1159                         add_enums(c);
1160
1161                         add_get_type();
1162
1163                         def_methods(c);
1164
1165                         out_printf(out,"#define GET_NEW (gtk_type_new(%s_get_type()))\n",
1166                                 funcbase);
1167
1168                         add_inits(c);
1169
1170                         if(arguments>0) {
1171                                 add_getset_arg(c, TRUE);
1172                                 add_getset_arg(c, FALSE);
1173                         }
1174
1175                         for(l=c->nodes;l;l=g_list_next(l)) {
1176                                 Node *n = l->data;
1177                                 if(n->type == METHOD_NODE) {
1178                                         put_method((Method *)n);
1179                                 }
1180                         }
1181
1182                         out_printf(out,"#undef GET_NEW\n");
1183
1184                         undef_methods(c);
1185
1186                         g_free(otype);
1187                         g_free(ptype);
1188                 } else
1189                         g_assert_not_reached();
1190         }
1191
1192         out_printf(outh,"\n#ifdef __cplusplus\n"
1193                 "}\n"
1194                 "#endif /* __cplusplus */\n\n"
1195                 "#endif");
1196 }
1197
1198 static void
1199 usage(poptContext optCon, int exitcode, char *error, char *addl)
1200 {
1201         poptPrintUsage(optCon, stderr, 0);
1202         if (error) fprintf(stderr, "%s: %s", error, addl);
1203         exit(exitcode);
1204 }
1205
1206
1207 int
1208 main(int argc, char *argv[])
1209 {
1210         int c;
1211         poptContext optCon;
1212
1213         struct poptOption optionsTable[] = {
1214                 { "exit-on-warn", 'w', 0, &exit_on_warn, 0,
1215                          "exit on warnings" },
1216                 POPT_AUTOHELP
1217                 { NULL, 0, 0, NULL, 0 }
1218         };
1219
1220         optCon = poptGetContext(NULL, argc, argv, optionsTable, 0);
1221         poptSetOtherOptionHelp(optCon, "[OPTIONS]* [filename]");
1222
1223         while ((c = poptGetNextOpt(optCon)) >= 0)
1224                 ;
1225
1226         filename = poptGetArg(optCon);
1227         if(!(poptPeekArg(optCon) == NULL))
1228                 usage(optCon, 1, "Specify only one file",
1229                       ".e.g., filename.gob");
1230
1231         if (c < -1) {
1232                 /* an error occurred during option processing */
1233                 fprintf(stderr, "%s: %s\n",
1234                         poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
1235                         poptStrerror(c));
1236                 return 1;
1237         }
1238
1239         if(filename) {
1240                 yyin = fopen(filename,"r");
1241                 if(!yyin) {
1242                         fprintf(stderr,"Error: can't open file '%s'\n",
1243                                 filename);
1244                         exit(1);
1245                 }
1246         } else
1247                 filename = "stdin";
1248
1249         /*yydebug = 1;*/
1250         if(yyparse()!=0)
1251                 g_error("Parsing errors, quitting");
1252         if(!class)
1253                 print_error(FALSE," no class defined",0);
1254
1255         make_bases();
1256
1257         make_inits((Class *)class);
1258
1259         open_files();
1260
1261         generate_outfiles();
1262
1263         fclose(out);
1264         fclose(outh);
1265
1266         poptFreeContext(optCon);
1267         return 0;
1268 }