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