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