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 <glib.h>
  23 #include <popt.h>
  24 #include <time.h>
  25 #include <stdio.h>
  26 #include <string.h>
  27
  28 #include "tree.h"
  29 #include "y.tab.h"
  30
  31 #ifndef VERSION
  32 #define VERSION "0.0.1"
  33 #endif
  34
  35 char *filename = "stdin";
  36
  37 int yyparse(void);
  38
  39 extern int yydebug;
  40 extern FILE * yyin;
  41 extern Node *class;
  42 extern GList *nodes;
  43
  44 static char *filebase;
  45 static char *funcbase;
  46 static char *pfuncbase;
  47 static char *macrobase;
  48 static char *macrois;
  49 static char *typebase;
  50 static char *ptypebase;
  51
  52 static FILE *out;
  53 static FILE *outh;
  54
  55 int exit_on_warn = FALSE;
  56
  57 static void
  58 print_error(int is_warn, char *error,int line)
  59 {
  60         char *w;
  61         if(is_warn)
  62                 w = "Warning:";
  63         else
  64                 w = "Error:";
  65         if(line>0)
  66                 fprintf(stderr,"%s:%d: %s %s\n",filename,line,w,error);
  67         else
  68                 fprintf(stderr,"%s: %s %s\n",filename,w,error);
  69         if(!is_warn || exit_on_warn)
  70                 exit(1);
  71 }
  72
  73 static char *
  74 remove_sep(char *base)
  75 {
  76         char *p;
  77         char *s = g_strdup(base);
  78         while((p=strchr(s,':')))
  79                 strcpy(p,p+1);
  80         return s;
  81 }
  82
  83 static char *
  84 replace_sep(char *base, char r)
  85 {
  86         char *p;
  87         char *s = g_strdup(base);
  88         while((p=strchr(s,':')))
  89                 *p = r;
  90         if(*s == r) {
  91                 p = g_strdup(s+1);
  92                 g_free(s);
  93                 return p;
  94         }
  95         return s;
  96 }
  97
  98 /*separate the namespace part and then replace rest of
  99   separators with r*/
 100 static void
 101 separns_replace_sep(char *base, char **ns, char **name, char r)
 102 {
 103         char *p;
 104         char *s = g_strdup(base);
 105         *ns = NULL;
 106         if((p=strchr(s,':')) && p!=s) {
 107                 *p = '\0';
 108                 *ns = g_strdup(s);
 109                 p = g_strdup(p+1);
 110                 g_free(s);
 111                 s = p;
 112         }
 113         while((p=strchr(s,':')))
 114                 *p = r;
 115         if(*s == r) {
 116                 *name = g_strdup(s+1);
 117                 g_free(s);
 118         } else
 119                 *name = s;
 120 }
 121
 122 static char *
 123 make_is_macro(char *base)
 124 {
 125         char *s1,*s2;
 126         char *s;
 127
 128         separns_replace_sep(base,&s1,&s2,'_');
 129         if(s1)
 130                 s = g_strconcat(s1,"_IS_",s2,NULL);
 131         else
 132                 s = g_strconcat("IS_",s2,NULL);
 133
 134         g_strup(s);
 135
 136         g_free(s1);
 137         g_free(s2);
 138
 139         return s;
 140 }
 141
 142 static void
 143 make_bases(void)
 144 {
 145         filebase = replace_sep(((Class *)class)->otype,'-');
 146         g_strdown(filebase);
 147
 148         funcbase = replace_sep(((Class *)class)->otype,'_');
 149         g_strdown(funcbase);
 150
 151         pfuncbase = replace_sep(((Class *)class)->ptype,'_');
 152         g_strdown(pfuncbase);
 153
 154         macrobase = replace_sep(((Class *)class)->otype,'_');
 155         g_strup(macrobase);
 156
 157         macrois = make_is_macro(((Class *)class)->otype);
 158
 159         typebase = remove_sep(((Class *)class)->otype);
 160
 161         ptypebase = remove_sep(((Class *)class)->ptype);
 162 }
 163
 164 static void
 165 def_methods(Class *c)
 166 {
 167         GList *li;
 168
 169         fprintf(out,"\n");
 170         for(li=c->nodes;li;li=g_list_next(li)) {
 171                 Node *node = li->data;
 172                 if(node->type == METHOD_NODE) {
 173                         Method *m = (Method *)node;
 174
 175                         if(m->scope == INIT_METHOD ||
 176                            m->scope == CLASS_INIT_METHOD ||
 177                            m->scope == OVERRIDE_METHOD)
 178                                 continue;
 179
 180                         fprintf(out,"#define %s %s_%s\n",m->id,funcbase,m->id);
 181                 }
 182         }
 183         fprintf(out,"\n");
 184 }
 185
 186 static void
 187 undef_methods(Class *c)
 188 {
 189         GList *li;
 190
 191         fprintf(out,"\n");
 192         for(li=c->nodes;li;li=g_list_next(li)) {
 193                 Node *node = li->data;
 194                 if(node->type == METHOD_NODE) {
 195                         Method *m = (Method *)node;
 196
 197                         if(m->scope == INIT_METHOD ||
 198                            m->scope == CLASS_INIT_METHOD ||
 199                            m->scope == OVERRIDE_METHOD)
 200                                 continue;
 201
 202                         fprintf(out,"#undef %s\n",m->id);
 203                 }
 204         }
 205         fprintf(out,"\n");
 206 }
 207
 208 static void
 209 print_type(FILE *fp, Type *t)
 210 {
 211         char *s;
 212         int i;
 213         s = remove_sep(t->name);
 214         fprintf(fp,"%s ",s);
 215         g_free(s);
 216
 217         for(i=0;i<t->stars;i++)
 218                 fprintf(fp,"*");
 219 }
 220
 221 static void
 222 put_variable(Variable *v)
 223 {
 224         fprintf(outh,"\t");
 225         if(v->scope == PRIVATE_SCOPE)
 226                 fprintf(outh,"/* private */ ");
 227         print_type(outh,v->vtype);
 228
 229         fprintf(outh,"%s;\n",v->id);
 230 }
 231
 232 static void
 233 print_method(FILE *fp, char *typeprefix, char *nameprefix,
 234              char *namepostfix,char *postfix, Method *m)
 235 {
 236         GList *li;
 237
 238         fprintf(fp,"%s",typeprefix);
 239         print_type(fp,m->mtype);
 240         fprintf(fp,"%s%s_%s%s(",
 241                 nameprefix,funcbase,m->id,namepostfix);
 242
 243         for(li=m->args;li;li=g_list_next(li)) {
 244                 FuncArg *arg = li->data;
 245                 print_type(fp,arg->atype);
 246                 if(li->next)
 247                         fprintf(fp,"%s, ",arg->name);
 248                 else
 249                         fprintf(fp,"%s",arg->name);
 250
 251         }
 252         fprintf(fp,")%s\n",postfix);
 253 }
 254
 255 static void
 256 put_vs_method(Method *m)
 257 {
 258         if(m->scope != SIGNAL_LAST_METHOD &&
 259            m->scope != SIGNAL_FIRST_METHOD &&
 260            m->scope != VIRTUAL_METHOD)
 261                 return;
 262
 263         print_method(outh,"\t","(* ",") ",";",m);
 264 }
 265
 266 static void
 267 put_pub_method(Method *m)
 268 {
 269         if(m->scope == PRIVATE_SCOPE ||
 270            m->scope == OVERRIDE_METHOD ||
 271            m->scope == INIT_METHOD ||
 272            m->scope == CLASS_INIT_METHOD)
 273                 return;
 274
 275         print_method(outh,"\t","","\t",";",m);
 276 }
 277
 278 static void
 279 put_priv_method_prot(Method *m)
 280 {
 281         if(m->scope == PUBLIC_SCOPE)
 282                 return;
 283
 284         if(m->scope == SIGNAL_LAST_METHOD ||
 285            m->scope == SIGNAL_FIRST_METHOD ||
 286            m->scope == VIRTUAL_METHOD) {
 287                 if(!m->cbuf)
 288                         return;
 289                 print_method(out,"static ","_real_"," ",";",m);
 290         } else {
 291                 print_method(out,"static ",""," ",";",m);
 292         }
 293 }
 294
 295 static GList *
 296 make_init_args(Class *cl, char *name, int is_class)
 297 {
 298         Node *node;
 299         Node *type;
 300         char *tn;
 301
 302         if(is_class)
 303                 tn = g_strconcat(cl->otype,":Class",NULL);
 304         else
 305                 tn = g_strdup(cl->otype);
 306
 307         type = new_type(1,tn);
 308         node = new_funcarg((Type *)type,name,NULL);
 309         return g_list_prepend(NULL, node);
 310 }
 311
 312 static void
 313 make_inits(Class *cl)
 314 {
 315         int got_class_init = FALSE;
 316         int got_init = FALSE;
 317         GList *li;
 318         Node *node;
 319         for(li=cl->nodes;li;li=g_list_next(li)) {
 320                 Node *n = li->data;
 321                 if(n->type == METHOD_NODE) {
 322                         Method *m = (Method *)n;
 323                         if(m->scope == INIT_METHOD) {
 324                                 if(got_init)
 325                                         print_error(FALSE,"init defined more then once",m->line_no);
 326                                 got_init = TRUE;
 327                         } else if(m->scope == CLASS_INIT_METHOD) {
 328                                 if(got_class_init)
 329                                         print_error(FALSE,"class_init defined more then once",m->line_no);
 330                                 got_class_init = TRUE;
 331                         }
 332                 }
 333         }
 334         if(!got_class_init) {
 335                 node = new_method(CLASS_INIT_METHOD,
 336                                   (Type *)new_type(0,g_strdup("void")),
 337                                   NULL,NULL,g_strdup("class_init"),
 338                                   make_init_args(cl,g_strdup("c"),TRUE),
 339                                   NULL, NULL,0);
 340                 cl->nodes = g_list_prepend(cl->nodes,node);
 341         }
 342         if(!got_init) {
 343                 node = new_method(INIT_METHOD,
 344                                   (Type *)new_type(0,g_strdup("void")),
 345                                   NULL,NULL,g_strdup("init"),
 346                                   make_init_args(cl,g_strdup("o"),FALSE),
 347                                   NULL, NULL,0);
 348                 cl->nodes = g_list_prepend(cl->nodes,node);
 349         }
 350 }
 351
 352 static GHashTable *marsh = NULL;
 353
 354 static void
 355 add_signal_prots(Method *m)
 356 {
 357         GList *li;
 358         static int sig = 1;
 359         char *s;
 360
 361         if(m->scope != SIGNAL_LAST_METHOD &&
 362            m->scope != SIGNAL_FIRST_METHOD)
 363                 return;
 364
 365         if(!marsh)
 366                 marsh = g_hash_table_new(NULL,NULL);
 367
 368         if(strcmp(m->gtktypes->data,"NONE")==0 &&
 369            strcmp(m->gtktypes->next->data,"NONE")==0)
 370                 return;
 371
 372         s = g_strdup_printf("__Sig%d",sig++);
 373
 374         g_hash_table_insert(marsh,m,s);
 375
 376         fprintf(out,"\ntypedef ");
 377         print_type(out,m->mtype);
 378
 379         fprintf(out,"(*%s) (",s);
 380
 381         for(li=m->args;li;li=g_list_next(li)) {
 382                 FuncArg *arg = li->data;
 383                 print_type(out,arg->atype);
 384                 fprintf(out,", ");
 385         }
 386         fprintf(out,"gpointer);\n");
 387
 388         fprintf(out,"\nstatic void\n"
 389                 "marshal_%s (GtkObject * object,\n"
 390                 "\tGtkSignalFunc func,\n"
 391                 "\tgpointer func_data,\n"
 392                 "\tGtkArg * args)\n"
 393                 "{\n",s);
 394
 395         if(strcmp(m->gtktypes->data,"NONE")==0) {
 396                 int i;
 397                 fprintf(out, "\t%s rfunc;\n\n"
 398                         "\trfunc = (%s)func;\n\n"
 399                         "\t(*rfunc)((%s *)object",s,s,typebase);
 400                 if(strcmp(m->gtktypes->next->data,"NONE")!=0) {
 401                         for(i=0,li=m->gtktypes->next;li;
 402                             i++,li=g_list_next(li)) {
 403                                 fprintf(out, ",\n\t\tGTK_VALUE_%s(args[%d])",
 404                                         (char *)li->data,i);
 405                         }
 406                 }
 407                 fprintf(out, ",\n\t\tfunc_data);\n}\n\n");
 408         } else {
 409                 int i;
 410                 fprintf(out, "\t%s rfunc;\n\t",s);
 411                 print_type(out,m->mtype);
 412                 fprintf(out, " *retval;\n\n"
 413                         "\trfunc = (%s)func;\n\n"
 414                         "\tretval = GTK_RETLOC_%s(args[%d]);\n\n"
 415                         "\t*retval = (*rfunc)((%s *)object",
 416                         s,(char *)m->gtktypes->data,
 417                         g_list_length(m->gtktypes)-1,typebase);
 418                 if(strcmp(m->gtktypes->next->data,"NONE")!=0) {
 419                         for(i=0,li=m->gtktypes->next;li;
 420                             i++,li=g_list_next(li)) {
 421                                 fprintf(out, ",\n\t\tGTK_VALUE_%s(args[%d])",
 422                                         (char *)li->data,i);
 423                         }
 424                 }
 425                 fprintf(out, ",\n\t\tfunc_data);\n}\n\n");
 426         }
 427
 428 }
 429
 430 static void
 431 add_enums(Class *c)
 432 {
 433         GList *li;
 434         fprintf(out,"\nenum {\n");
 435         for(li=c->nodes;li;li=g_list_next(li)) {
 436                 Node *n = li->data;
 437                 if(n->type == METHOD_NODE) {
 438                         Method *m = (Method *)n;
 439                         if(m->scope == SIGNAL_LAST_METHOD ||
 440                            m->scope == SIGNAL_FIRST_METHOD) {
 441                                 char *s = g_strdup(m->id);
 442                                 g_strup(s);
 443                                 fprintf(out,"\t%s_SIGNAL,\n",s);
 444                                 g_free(s);
 445                         }
 446                 }
 447         }
 448         fprintf(out,"\tLAST_SIGNAL\n"
 449                 "};\n\n"
 450                 "enum {\n"
 451                 "\tARG_0,\n");
 452         for(li=c->nodes;li;li=g_list_next(li)) {
 453                 Node *n = li->data;
 454                 if(n->type == ARGUMENT_NODE) {
 455                         Argument *a = (Argument *)n;
 456                         char *s = g_strdup(a->name);
 457                         g_strup(s);
 458                         fprintf(out,"\tARG_%s,\n",s);
 459                         g_free(s);
 460                 }
 461         }
 462         fprintf(out, "};\n\n"
 463                 "static guint object_signals[LAST_SIGNAL] = {0};\n\n"
 464                 "static %sClass *parent_class = NULL;\n\n",ptypebase);
 465 }
 466
 467 static void
 468 add_get_type(void)
 469 {
 470         fprintf(out, "guint\n"
 471                 "%s_get_type (void)\n"
 472                 "{\n"
 473                 "\tstatic guint type = 0;\n\n"
 474                 "\tif (!type) {\n"
 475                 "\t\tstatic const GtkTypeInfo info = {\n"
 476                 "\t\t\t\"%s\",\n"
 477                 "\t\t\tsizeof (%s),\n"
 478                 "\t\t\tsizeof (%sClass),\n"
 479                 "\t\t\t(GtkClassInitFunc) %s_class_init,\n"
 480                 "\t\t\t(GtkObjectInitFunc) %s_init,\n"
 481                 "\t\t\t/* reserved_1 */ NULL,\n"
 482                 "\t\t\t/* reserved_2 */ NULL,\n"
 483                 "\t\t\t(GtkClassInitFunc) NULL,\n"
 484                 "\t\t};\n\n"
 485                 "\t\ttype = gtk_type_unique (%s_get_type(), &info);\n"
 486                 "\t}\n\n"
 487                 "\treturn type;\n"
 488                 "}\n\n",
 489                 funcbase,typebase,typebase,typebase,
 490                 funcbase,funcbase,pfuncbase);
 491 }
 492
 493 static void
 494 add_overrides(Class *c, char *oname)
 495 {
 496         GList *li;
 497         GHashTable *done;
 498         char *s;
 499
 500         done = g_hash_table_new(g_str_hash,g_str_equal);
 501         s = g_strdup("GtkObject"); /* This was already done */
 502         g_hash_table_insert(done,s,s);
 503         for(li=c->nodes;li;li=g_list_next(li)) {
 504                 Node *n = li->data;
 505                 char *f;
 506                 Method *m;
 507                 if(n->type != METHOD_NODE ||
 508                    ((Method *)n)->scope != OVERRIDE_METHOD)
 509                         continue;
 510                 m = (Method *)n;
 511
 512                 s = remove_sep(m->otype);
 513
 514                 if(g_hash_table_lookup(done,s)) {
 515                         g_free(s);
 516                         continue;
 517                 }
 518                 g_hash_table_insert(done,s,s);
 519
 520                 f = replace_sep(m->otype,'_');
 521                 g_strdown(f);
 522
 523                 fprintf(out,"\t%sClass *%s_class = (%sClass *)%s;\n",
 524                         s,f,s,oname);
 525
 526                 g_free(f);
 527         }
 528         g_hash_table_foreach(done,(GHFunc)g_free,NULL);
 529         g_hash_table_destroy(done);
 530 }
 531
 532 static void
 533 add_signals(Class *c)
 534 {
 535         GList *li;
 536
 537         fprintf(out,"\n");
 538         for(li=c->nodes;li;li=g_list_next(li)) {
 539                 Node *n = li->data;
 540                 Method *m;
 541                 char *mar;
 542                 char *sig;
 543                 int is_none;
 544                 if(n->type != METHOD_NODE ||
 545                    (((Method *)n)->scope != SIGNAL_FIRST_METHOD &&
 546                     ((Method *)n)->scope != SIGNAL_LAST_METHOD))
 547                         continue;
 548
 549                 m = (Method *)n;
 550
 551                 if(g_hash_table_lookup(marsh,m))
 552                         mar = g_strconcat("marshal_",
 553                                           (char *)g_hash_table_lookup(marsh,m),
 554                                           NULL);
 555                 else
 556                         mar = g_strdup("gtk_signal_default_marshaller");
 557
 558                 is_none = (strcmp(m->gtktypes->next->data,"NONE")==0);
 559
 560                 sig = g_strdup(m->id);
 561                 g_strup(sig);
 562                 fprintf(out,"\tobject_signals[%s_SIGNAL] =\n"
 563                         "\t\tgtk_signal_new (\"%s\",\n"
 564                         "\t\t\tGTK_RUN_%s,\n"
 565                         "\t\t\tgtk_object_class->type,\n"
 566                         "\t\t\tGTK_SIGNAL_OFFSET (%sClass, %s),\n"
 567                         "\t\t\t%s,\n"
 568                         "\t\t\tGTK_TYPE_%s, %d",
 569                         sig,m->id,
 570                         m->scope==SIGNAL_LAST_METHOD?"LAST":"FIRST",
 571                         typebase,m->id,mar,(char *)m->gtktypes->data,
 572                         is_none?0:g_list_length(m->gtktypes->next));
 573                 g_free(mar);
 574                 g_free(sig);
 575
 576                 if(!is_none) {
 577                         GList *l;
 578                         for(l=m->gtktypes->next;l;l=g_list_next(l))
 579                                 fprintf(out,",\n\t\t\tGTK_TYPE_%s",
 580                                         (char *)l->data);
 581                 }
 582
 583                 fprintf(out,");\n");
 584         }
 585         fprintf(out,"\tgtk_object_class_add_signals (gtk_object_class,\n"
 586                 "\t\tobject_signals, LAST_SIGNAL);\n\n");
 587 }
 588
 589 static void
 590 set_def_handlers(Class *c, char *oname)
 591 {
 592         GList *li;
 593
 594         fprintf(out,"\n");
 595         for(li=c->nodes;li;li=g_list_next(li)) {
 596                 Node *n = li->data;
 597                 Method *m;
 598                 if(n->type != METHOD_NODE ||
 599                    (((Method *)n)->scope != SIGNAL_FIRST_METHOD &&
 600                     ((Method *)n)->scope != SIGNAL_LAST_METHOD &&
 601                     ((Method *)n)->scope != VIRTUAL_METHOD &&
 602                     ((Method *)n)->scope != OVERRIDE_METHOD))
 603                         continue;
 604
 605                 m = (Method *)n;
 606
 607                 if(m->scope == OVERRIDE_METHOD) {
 608                         char *s;
 609                         s = replace_sep(m->otype,'_');
 610                         g_strdown(s);
 611                         fprintf(out,"\t%s_class->%s = %s_%s;\n",
 612                                 s,m->id,funcbase,m->id);
 613                 } else {
 614                         if(m->cbuf)
 615                                 fprintf(out,"\t%s->%s = _real_%s_%s;\n",
 616                                         oname,m->id,funcbase,m->id);
 617                         else
 618                                 fprintf(out,"\t%s->%s = NULL;\n",
 619                                         oname,m->id);
 620                 }
 621         }
 622 }
 623
 624 static void
 625 make_arguments(Class *c)
 626 {
 627         GList *li;
 628
 629         fprintf(out,"\n");
 630         for(li=c->nodes;li;li=g_list_next(li)) {
 631                 Node *n = li->data;
 632                 Argument *a;
 633                 GString *flags;
 634                 GList *l;
 635                 char *s;
 636                 if(n->type != ARGUMENT_NODE)
 637                         continue;
 638
 639                 a = (Argument *)n;
 640
 641                 if(a->get && a->set)
 642                         flags = g_string_new("GTK_ARG_READWRITE");
 643                 else if(a->get)
 644                         flags = g_string_new("GTK_ARG_READABLE");
 645                 else
 646                         flags = g_string_new("GTK_ARG_WRITABLE");
 647
 648                 for(l=a->flags;l;l=g_list_next(l))
 649                         g_string_sprintfa(flags," | GTK_ARG_%s",(char *)l->data);
 650
 651                 s = g_strdup(a->name);
 652                 g_strup(s);
 653                 fprintf(out,"\tgtk_object_add_arg_type(\"%s::%s\",\n"
 654                         "\t\tGTK_TYPE_%s,\n"
 655                         "\t\t%s,\n"
 656                         "\t\tARG_%s);\n",
 657                         typebase,a->name,a->gtktype,flags->str,s);
 658                 g_free(s);
 659                 g_string_free(flags,TRUE);
 660         }
 661
 662         fprintf(out,"\n\tgtk_object_class->set_arg = __object_set_arg;\n"
 663                 "\tgtk_object_class->get_arg = __object_get_arg;\n");
 664 }
 665
 666 static void
 667 add_inits(Class *c)
 668 {
 669         GList *li;
 670         for(li=c->nodes;li;li=g_list_next(li)) {
 671                 Node *n = li->data;
 672                 Method *m;
 673                 if(n->type != METHOD_NODE)
 674                         continue;
 675                 m = (Method *)n;
 676                 if(m->scope == INIT_METHOD) {
 677                         print_method(out,"static ","\n"," ","",m);
 678                         if(m->cbuf)
 679                                 fprintf(out,"{\n%s\n}\n\n",m->cbuf->str);
 680                         else
 681                                 fprintf(out,"{\n\treturn;\n}\n\n");
 682                 } else if(m->scope == CLASS_INIT_METHOD) {
 683                         print_method(out,"static ","\n"," ","",m);
 684                         fprintf(out,"{\n"
 685                                 "\tGtkObjectClass *gtk_object_class = "
 686                                 "(GtkObjectClass*) %s;\n",
 687                                 ((FuncArg *)m->args->data)->name);
 688
 689                         add_overrides(c, ((FuncArg *)m->args->data)->name);
 690
 691                         fprintf(out,"\n\tparent_class = "
 692                                 "gtk_type_class (%s_get_type ());\n",
 693                                 pfuncbase);
 694
 695                         add_signals(c);
 696
 697                         set_def_handlers(c, ((FuncArg *)m->args->data)->name);
 698
 699                         make_arguments(c);
 700
 701                         if(m->cbuf)
 702                                 fprintf(out," {\n%s\n }\n",m->cbuf->str);
 703                         fprintf(out,"}\n");
 704                 }
 705         }
 706 }
 707
 708 static void
 709 add_getset_arg(Class *c, int is_set)
 710 {
 711         GList *li;
 712         fprintf(out,"\nstatic void\n"
 713                 "__object_%s_arg (GtkObject *object,\n"
 714                 "\tGtkArg *arg,\n"
 715                 "\tguint arg_id)\n"
 716                 "{\n"
 717                 "\t%s *this;\n\n"
 718                 "\tthis = %s (object);\n\n"
 719                 "\tswitch (arg_id) {\n",
 720                 is_set?"set":"get",typebase,macrobase);
 721
 722         for(li=c->nodes;li;li=g_list_next(li)) {
 723                 Node *n = li->data;
 724                 Argument *a;
 725                 char *s;
 726                 if(n->type != ARGUMENT_NODE)
 727                         continue;
 728                 a = (Argument *)n;
 729                 if((is_set && !a->set) ||
 730                    (!is_set && !a->get))
 731                         continue;
 732                 s = g_strdup(a->name);
 733                 g_strup(s);
 734                 fprintf(out,"\tcase ARG_%s:\n"
 735                         "#define ARG (GTK_VALUE_%s(*arg))\n"
 736                         "\t\t{\n%s\n\t\t}\n\t\tbreak;\n"
 737                         "#undef ARG\n",
 738                         s,a->gtktype,a->set->str);
 739                 g_free(s);
 740         }
 741         fprintf(out,"\tdefault:\n\t\tbreak;\n\t}\n}\n");
 742 }
 743
 744 static void
 745 print_checks(Method *m, FuncArg *fa)
 746 {
 747         GList *li;
 748         int is_void;
 749         is_void = (strcmp(m->mtype->name,"void")==0 &&
 750                    m->mtype->stars == 0);
 751
 752         for(li=fa->checks;li;li=g_list_next(li)) {
 753                 Check *ch = li->data;
 754                 char *s;
 755                 if(is_void)
 756                         fprintf(out,"\tg_return_if_fail (");
 757                 else
 758                         fprintf(out,"\tg_return_val_if_fail (");
 759                 switch(ch->chtype) {
 760                 case NULL_CHECK:
 761                         fprintf(out,"%s != NULL",fa->name);
 762                         break;
 763                 case TYPE_CHECK:
 764                         s = make_is_macro(fa->atype->name);
 765                         fprintf(out,"%s (%s)",s,fa->name);
 766                         g_free(s);
 767                         break;
 768                 case LT_CHECK:
 769                         fprintf(out,"%s < %s",fa->name,ch->number);
 770                         break;
 771                 case GT_CHECK:
 772                         fprintf(out,"%s > %s",fa->name,ch->number);
 773                         break;
 774                 case LE_CHECK:
 775                         fprintf(out,"%s <= %s",fa->name,ch->number);
 776                         break;
 777                 case GE_CHECK:
 778                         fprintf(out,"%s >= %s",fa->name,ch->number);
 779                         break;
 780                 case EQ_CHECK:
 781                         fprintf(out,"%s == %s",fa->name,ch->number);
 782                         break;
 783                 case NE_CHECK:
 784                         fprintf(out,"%s != %s",fa->name,ch->number);
 785                         break;
 786                 }
 787                 if(is_void)
 788                         fprintf(out,");\n");
 789                 else {
 790                         fprintf(out,", (");
 791                         print_type(out,m->mtype);
 792                         fprintf(out,")%s);\n",
 793                                 m->onerror?m->onerror:"0");
 794                 }
 795         }
 796 }
 797
 798 static void
 799 print_preconditions(Method *m)
 800 {
 801         GList *li;
 802
 803         for(li=m->args;li;li=g_list_next(li)) {
 804                 FuncArg *fa = li->data;
 805                 if(fa->checks)
 806                         print_checks(m,fa);
 807         }
 808 }
 809
 810 static void
 811 print_method_body(Method *m, int pre)
 812 {
 813         fprintf(out,"{\n");
 814         if(pre) {
 815                 print_preconditions(m);
 816                 fprintf(out,"\t{\n");
 817         }
 818
 819         fprintf(out,"\t\t%s\n",m->cbuf->str);
 820
 821         if(pre)
 822                 fprintf(out,"\t}\n");
 823         fprintf(out,"}\n");
 824 }
 825
 826 static void
 827 put_method(Method *m)
 828 {
 829         char *s;
 830         fprintf(out,"\n");
 831         if(strcmp(m->id,"new")==0) {
 832                 fprintf(out,"#define GET_NEW (gtk_type_new(%s_get_type()))\n",
 833                         funcbase);
 834         }
 835         switch(m->scope) {
 836         case PUBLIC_SCOPE:
 837                 print_method(out,"","\n"," ","",m);
 838                 print_method_body(m,TRUE);
 839                 break;
 840         case PRIVATE_SCOPE:
 841                 print_method(out,"static ","\n"," ","",m);
 842                 print_method_body(m,TRUE);
 843                 break;
 844         case SIGNAL_FIRST_METHOD:
 845         case SIGNAL_LAST_METHOD:
 846                 print_method(out,"","\n"," ","",m);
 847                 fprintf(out,"{\n");
 848                 s = g_strdup(m->id);
 849                 g_strup(s);
 850                 if(strcmp(m->mtype->name,"void")==0 &&
 851                    m->mtype->stars==0) {
 852                         GList *li;
 853                         print_preconditions(m);
 854                         fprintf(out,"\tgtk_signal_emit (GTK_OBJECT (this),\n"
 855                                 "\t\tobject_signals[%s_SIGNAL]",s);
 856                         for(li=m->args->next;li;li=g_list_next(li)) {
 857                                 FuncArg *fa = li->data;
 858                                 fprintf(out,",\n\t\t%s",fa->name);
 859                         }
 860                         fprintf(out,");\n}\n");
 861                 } else {
 862                         GList *li;
 863                         fprintf(out,"\t");
 864                         print_type(out,m->mtype);
 865                         fprintf(out,"return_val;\n");
 866                         print_preconditions(m);
 867                         fprintf(out,"\tgtk_signal_emit (GTK_OBJECT (this),\n"
 868                                 "\t\tobject_signals[%s_SIGNAL]",s);
 869                         for(li=m->args->next;li;li=g_list_next(li)) {
 870                                 FuncArg *fa = li->data;
 871                                 fprintf(out,",\n\t\t%s",fa->name);
 872                         }
 873                         fprintf(out,",\n\t\t&return_val);\n"
 874                                 "\treturn return_val;\n}\n");
 875                 }
 876
 877                 if(!m->cbuf)
 878                         break;
 879                 print_method(out,"static ","\n_real_"," ","",m);
 880                 print_method_body(m,FALSE);
 881                 break;
 882         case VIRTUAL_METHOD:
 883                 print_method(out,"","\n"," ","",m);
 884                 fprintf(out,"{\n"
 885                         "\t%sClass *class;\n",typebase);
 886                 print_preconditions(m);
 887                 fprintf(out,"\tclass = %s_CLASS(GTK_OBJECT(this)->klass);\n\n"
 888                         "\tif(class->%s)\n",
 889                         macrobase,m->id);
 890                 if(strcmp(m->mtype->name,"void")==0 &&
 891                    m->mtype->stars==0) {
 892                         GList *li;
 893                         fprintf(out,"\t\t(*class->%s)(this",m->id);
 894                         for(li=m->args->next;li;li=g_list_next(li)) {
 895                                 FuncArg *fa = li->data;
 896                                 fprintf(out,",%s",fa->name);
 897                         }
 898                         fprintf(out,");\n}\n");
 899                 } else {
 900                         GList *li;
 901                         fprintf(out,"\t\treturn (*class->%s)(this",m->id);
 902                         for(li=m->args->next;li;li=g_list_next(li)) {
 903                                 FuncArg *fa = li->data;
 904                                 fprintf(out,",%s",fa->name);
 905                         }
 906                         fprintf(out,");\n"
 907                                 "\telse\n"
 908                                 "\t\treturn (");
 909                         print_type(out,m->mtype);
 910                         fprintf(out,")(%s);\n}\n",
 911                                 m->onerror?m->onerror:"0");
 912                 }
 913
 914                 if(!m->cbuf)
 915                         break;
 916                 print_method(out,"static ","\n_real_"," ","",m);
 917                 print_method_body(m,FALSE);
 918                 break;
 919         case OVERRIDE_METHOD:
 920                 print_method(out,"static ","\n"," ","",m);
 921                 print_method_body(m,TRUE);
 922                 break;
 923         default:
 924                 break;
 925         }
 926         if(strcmp(m->id,"new")==0)
 927                 fprintf(out,"#undef GET_NEW\n");
 928 }
 929
 930 static void
 931 open_files(void)
 932 {
 933         char *outfile,*outfileh;
 934
 935         outfile = g_strconcat(filebase,".c",NULL);
 936         outfileh = g_strconcat(filebase,".h",NULL);
 937
 938         out = fopen(outfile,"w");
 939         if(!out) {
 940                 g_error("Cannot open outfile: %s",outfile);
 941         }
 942         outh = fopen(outfileh,"w");
 943         if(!outh) {
 944                 g_error("Cannot open outfile: %s",outfileh);
 945         }
 946 }
 947
 948 static void
 949 generate_outfiles(void)
 950 {
 951         char *p;
 952         GList *li;
 953         time_t curtime;
 954
 955         time(&curtime);
 956         fprintf(outh,"/* Generated by GOB (v%s) on %s"
 957                "   (do not edit directly) */\n\n",VERSION,ctime(&curtime));
 958         fprintf(out,"/* Generated by GOB (v%s) on %s"
 959                "   (do not edit directly) */\n\n",VERSION,ctime(&curtime));
 960
 961         p = replace_sep(((Class *)class)->otype,'_');
 962         g_strup(p);
 963         fprintf(outh,"#ifndef __%s_H__\n#define __%s_H__\n\n"
 964                 "#include <gtk/gtk.h>\n\n",p,p);
 965         g_free(p);
 966
 967         fprintf(outh,"#ifdef __cplusplus\n"
 968                 "extern \"C\" {\n"
 969                 "#endif /* __cplusplus */\n\n");
 970
 971         fprintf(out,"#include \"%s.h\"\n\n",filebase);
 972
 973         for(li=nodes;li;li=g_list_next(li)) {
 974                 Node *node = li->data;
 975                 if(node->type == CCODE_NODE) {
 976                         CCode *cc = (CCode *)node;
 977                         FILE *fp;
 978                         if(cc->header)
 979                                 fp = outh;
 980                         else
 981                                 fp = out;
 982                         fprintf(fp,"\n%s\n",cc->cbuf->str);
 983                 } else if(node->type == CLASS_NODE) {
 984                         GList *l;
 985                         Class *c = (Class *)class;
 986                         char *otype,*ptype;
 987
 988                         fprintf(outh,"\n#define %s(obj)\t"
 989                                 "GTK_CHECK_CAST((obj),%s_get_type(),%s)\n",
 990                                 macrobase,funcbase,typebase);
 991                         fprintf(outh,"#define %s_CLASS(klass)\t"
 992                                 "GTK_CHECK_CLASS_CAST((klass),%s_get_type(),%sClass)\n",
 993                                 macrobase,funcbase,typebase);
 994                         fprintf(outh,"#define %s(obj)\t"
 995                                 "GTK_CHECK_TYPE((obj), %s_get_type ())\n\n",
 996                                 macrois,funcbase);
 997
 998                         otype = remove_sep(c->otype);
 999                         ptype = remove_sep(c->ptype);
1000                         fprintf(outh,"\ntypedef struct _%s %s;\n",otype,otype);
1001                         fprintf(outh,"struct _%s {\n\t%s __parent__;\n",
1002                                 otype,ptype);
1003                         for(l=c->nodes;l;l=g_list_next(l)) {
1004                                 Node *n = l->data;
1005                                 if(n->type == VARIABLE_NODE)
1006                                         put_variable((Variable *)n);
1007                         }
1008                         fprintf(outh,"};\n");
1009
1010                         fprintf(outh,"\ntypedef struct _%sClass %sClass;\n",
1011                                 otype,otype);
1012                         fprintf(outh,
1013                                 "struct _%sClass {\n\t%sClass __parent__;\n",
1014                                 otype,ptype);
1015                         for(l=c->nodes;l;l=g_list_next(l)) {
1016                                 Node *n = l->data;
1017                                 if(n->type == METHOD_NODE)
1018                                         put_vs_method((Method *)n);
1019                         }
1020                         fprintf(outh,"};\n\n");
1021
1022                         fprintf(outh,"guint\t%s_get_type\t(void);\n",funcbase);
1023
1024                         fprintf(out,"static void __object_set_arg "
1025                                 "(GtkObject *object, GtkArg *arg, "
1026                                 "guint arg_id);\n"
1027                                 "static void __object_get_arg "
1028                                 "(GtkObject *object, GtkArg *arg, "
1029                                 "guint arg_id);\n");
1030
1031                         for(l=c->nodes;l;l=g_list_next(l)) {
1032                                 Node *n = l->data;
1033                                 if(n->type == METHOD_NODE) {
1034                                         put_pub_method((Method *)n);
1035                                         put_priv_method_prot((Method *)n);
1036                                 }
1037                         }
1038
1039                         for(l=c->nodes;l;l=g_list_next(l)) {
1040                                 Node *n = l->data;
1041                                 if(n->type == METHOD_NODE) {
1042                                         add_signal_prots((Method *)n);
1043                                 }
1044                         }
1045
1046                         add_enums(c);
1047
1048                         add_get_type();
1049
1050                         def_methods(c);
1051
1052                         add_inits(c);
1053
1054                         add_getset_arg(c, TRUE);
1055                         add_getset_arg(c, FALSE);
1056
1057                         for(l=c->nodes;l;l=g_list_next(l)) {
1058                                 Node *n = l->data;
1059                                 if(n->type == METHOD_NODE) {
1060                                         put_method((Method *)n);
1061                                 }
1062                         }
1063
1064                         undef_methods(c);
1065
1066                         g_free(otype);
1067                         g_free(ptype);
1068                 } else
1069                         g_assert_not_reached();
1070         }
1071
1072         fprintf(outh,"\n#ifdef __cplusplus\n"
1073                 "}\n"
1074                 "#endif /* __cplusplus */\n\n"
1075                 "#endif");
1076 }
1077
1078 static void
1079 usage(poptContext optCon, int exitcode, char *error, char *addl)
1080 {
1081         poptPrintUsage(optCon, stderr, 0);
1082         if (error) fprintf(stderr, "%s: %s", error, addl);
1083         exit(exitcode);
1084 }
1085
1086
1087 int
1088 main(int argc, char *argv[])
1089 {
1090         int c;
1091         poptContext optCon;
1092
1093         struct poptOption optionsTable[] = {
1094                 { "exit-on-warn", 'w', 0, &exit_on_warn, 0,
1095                          "exit on warnings" },
1096                 POPT_AUTOHELP
1097                 { NULL, 0, 0, NULL, 0 }
1098         };
1099
1100         optCon = poptGetContext(NULL, argc, argv, optionsTable, 0);
1101         poptSetOtherOptionHelp(optCon, "[OPTIONS]* [filename]");
1102
1103         while ((c = poptGetNextOpt(optCon)) >= 0)
1104                 ;
1105
1106         filename = poptGetArg(optCon);
1107         if(!(poptPeekArg(optCon) == NULL))
1108                 usage(optCon, 1, "Specify only one file",
1109                       ".e.g., filename.gob");
1110
1111         if (c < -1) {
1112                 /* an error occurred during option processing */
1113                 fprintf(stderr, "%s: %s\n",
1114                         poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
1115                         poptStrerror(c));
1116                 return 1;
1117         }
1118
1119         if(filename) {
1120                 yyin = fopen(filename,"r");
1121                 if(!yyin) {
1122                         fprintf(stderr,"Error: can't open file '%s'\n",
1123                                 filename);
1124                         exit(1);
1125                 }
1126         } else
1127                 filename = "stdin";
1128
1129         /*yydebug = 1;*/
1130         if(yyparse()!=0)
1131                 g_error("Parsing errors, quitting");
1132         if(!class)
1133                 print_error(FALSE," no class defined",0);
1134
1135         make_bases();
1136
1137         make_inits((Class *)class);
1138
1139         open_files();
1140
1141         generate_outfiles();
1142
1143         fclose(out);
1144         fclose(outh);
1145
1146         poptFreeContext(optCon);
1147         return 0;
1148 }