lib/as3/abc.c

   1 /* abc.c
   2
   3    Routines for handling Flash2 AVM2 ABC Actionscript
   4
   5    Extension module for the rfxswf library.
   6    Part of the swftools package.
   7
   8    Copyright (c) 2008 Matthias Kramm <kramm@quiss.org>
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 2 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
  23
  24 #include <stdarg.h>
  25 #include <assert.h>
  26 #include "../rfxswf.h"
  27 #include "../q.h"
  28 #include "abc.h"
  29
  30 char stringbuffer[2048];
  31
  32 int abc_RegisterNameSpace(abc_file_t*file, const char*name);
  33 int abc_RegisterPackageNameSpace(abc_file_t*file, const char*name);
  34 int abc_RegisterPackageInternalNameSpace(abc_file_t*file, const char*name);
  35 int abc_RegisterProtectedNameSpace(abc_file_t*file, const char*name);
  36 int abc_RegisterExplicitNameSpace(abc_file_t*file, const char*name);
  37 int abc_RegisterStaticProtectedNameSpace(abc_file_t*file, const char*name);
  38 int abc_RegisterPrivateNameSpace(abc_file_t*file, const char*name);
  39
  40 /* TODO: switch to a datastructure with just values */
  41 #define NO_KEY ""
  42
  43 static char* params_to_string(multiname_list_t*list)
  44 {
  45     multiname_list_t*l;
  46     int n;
  47
  48     l = list;
  49     n = 0;
  50     while(list) {
  51         n++;list=list->next;
  52     }
  53
  54     char**names = (char**)malloc(sizeof(char*)*n);
  55
  56     l = list;
  57     n = 0;
  58     int size = 0;
  59     while(list) {
  60         names[n] = multiname_to_string(list->multiname);
  61         size += strlen(names[n]) + 2;
  62         n++;list=list->next;
  63     }
  64
  65     char* params = malloc(size+5);
  66     params[0]='(';
  67     params[1]=0;
  68     l = list;
  69     int s=0;
  70     n = 0;
  71     while(list) {
  72         if(s)
  73             strcat(params, ", ");
  74         strcat(params, names[n]);
  75         free(names[n]);
  76         n++;
  77         s=1;
  78     }
  79     free(names);
  80     strcat(params, ")");
  81     int t;
  82     return params;
  83 }
  84
  85 //#define DEBUG
  86 #define DEBUG if(0)
  87
  88 static void parse_metadata(TAG*tag, abc_file_t*file, pool_t*pool)
  89 {
  90     int t;
  91     int num_metadata = swf_GetU30(tag);
  92
  93     DEBUG printf("%d metadata\n");
  94     for(t=0;t<num_metadata;t++) {
  95         const char*entry_name = pool_lookup_string(pool, swf_GetU30(tag));
  96         int num = swf_GetU30(tag);
  97         int s;
  98         DEBUG printf("  %s\n", entry_name);
  99         array_t*items = array_new();
 100         for(s=0;s<num;s++) {
 101             int i1 = swf_GetU30(tag);
 102             int i2 = swf_GetU30(tag);
 103             char*key = i1?pool_lookup_string(pool, i1):"";
 104             char*value = i2?pool_lookup_string(pool, i2):"";
 105             DEBUG printf("    %s=%s\n", key, value);
 106             array_append(items, key, strdup(value));
 107         }
 108         array_append(file->metadata, entry_name, items);
 109     }
 110 }
 111
 112 void swf_CopyData(TAG*to, TAG*from, int len)
 113 {
 114     unsigned char*data = malloc(len);
 115     swf_GetBlock(from, data, len);
 116     swf_SetBlock(to, data, len);
 117     free(data);
 118 }
 119
 120 abc_file_t*abc_file_new()
 121 {
 122     abc_file_t*f = malloc(sizeof(abc_file_t));
 123     memset(f, 0, sizeof(abc_file_t));
 124     f->metadata = array_new();
 125
 126     f->methods = array_new();
 127     f->classes = array_new();
 128     f->scripts = array_new();
 129     f->method_bodies = array_new();
 130
 131     return f;
 132 }
 133
 134 #define CLASS_SEALED 1
 135 #define CLASS_FINAL 2
 136 #define CLASS_INTERFACE 4
 137 #define CLASS_PROTECTED_NS 8
 138
 139 abc_class_t* abc_class_new(abc_file_t*file, multiname_t*classname, multiname_t*superclass) {
 140
 141     NEW(abc_class_t,c);
 142     array_append(file->classes, NO_KEY, c);
 143
 144     c->file = file;
 145     c->classname = classname;
 146     c->superclass = superclass;
 147     c->flags = 0;
 148     c->constructor = 0;
 149     c->static_constructor = 0;
 150     c->traits = list_new();
 151     return c;
 152 }
 153 abc_class_t* abc_class_new2(abc_file_t*pool, char*classname, char*superclass)
 154 {
 155     return abc_class_new(pool, multiname_fromstring(classname), multiname_fromstring(superclass));
 156 }
 157
 158 void abc_class_sealed(abc_class_t*c)
 159 {
 160     c->flags |= CLASS_SEALED;
 161 }
 162 void abc_class_final(abc_class_t*c)
 163 {
 164     c->flags |= CLASS_FINAL;
 165 }
 166 void abc_class_interface(abc_class_t*c)
 167 {
 168     c->flags |= CLASS_INTERFACE;
 169 }
 170 void abc_class_protectedNS(abc_class_t*c, char*namespace)
 171 {
 172     c->protectedNS = namespace_new_protected(namespace);
 173     c->flags |= CLASS_PROTECTED_NS;
 174 }
 175 void abc_class_add_interface(abc_class_t*c, multiname_t*interface)
 176 {
 177     list_append(c->interfaces, interface);
 178 }
 179
 180 abc_method_body_t* add_method(abc_file_t*file, abc_class_t*cls, char*returntype, int num_params, va_list va)
 181 {
 182     /* construct code (method body) object */
 183     NEW(abc_method_body_t,c);
 184     array_append(file->method_bodies, NO_KEY, c);
 185     c->file = file;
 186     c->traits = list_new();
 187     c->code = 0;
 188
 189     /* construct method object */
 190     NEW(abc_method_t,m);
 191     array_append(file->methods, NO_KEY, m);
 192
 193     if(returntype && strcmp(returntype, "void")) {
 194         m->return_type = multiname_fromstring(returntype);
 195     } else {
 196         m->return_type = 0;
 197     }
 198     int t;
 199     for(t=0;t<num_params;t++) {
 200         const char*param = va_arg(va, const char*);
 201         list_append(m->parameters, multiname_fromstring(param));
 202     }
 203
 204     /* crosslink the two objects */
 205     m->body = c;
 206     c->method = m;
 207
 208     return c;
 209 }
 210
 211 abc_method_body_t* abc_class_constructor(abc_class_t*cls, char*returntype, int num_params, ...)
 212 {
 213     va_list va;
 214     va_start(va, num_params);
 215     abc_method_body_t* c = add_method(cls->file, cls, returntype, num_params, va);
 216     va_end(va);
 217     cls->constructor = c->method;
 218     return c;
 219 }
 220
 221 abc_method_body_t* abc_class_staticconstructor(abc_class_t*cls, char*returntype, int num_params, ...)
 222 {
 223     va_list va;
 224     va_start(va, num_params);
 225     abc_method_body_t* c = add_method(cls->file, cls, returntype, num_params, va);
 226     va_end(va);
 227     cls->static_constructor = c->method;
 228     return c;
 229 }
 230
 231 trait_t*trait_new(int type, multiname_t*name, int data1, int data2, int vindex, int vkind)
 232 {
 233     trait_t*trait = malloc(sizeof(trait_t));
 234     memset(trait, 0, sizeof(trait_t));
 235     trait->kind = type&0x0f;
 236     trait->attributes = type&0xf0;
 237     trait->name = name;
 238     trait->data1 = data1;
 239     trait->data2 = data2;
 240     trait->vindex = vindex;
 241     trait->vkind = vkind;
 242     return trait;
 243 }
 244 trait_t*trait_new_method(multiname_t*name, abc_method_t*m)
 245 {
 246     int type = TRAIT_METHOD;
 247     trait_t*trait = malloc(sizeof(trait_t));
 248     memset(trait, 0, sizeof(trait_t));
 249     trait->kind = type&0x0f;
 250     trait->attributes = type&0xf0;
 251     trait->name = name;
 252     trait->method = m;
 253     return trait;
 254 }
 255
 256 abc_method_body_t* abc_class_method(abc_class_t*cls, char*returntype, char*name, int num_params, ...)
 257 {
 258     abc_file_t*file = cls->file;
 259     va_list va;
 260     va_start(va, num_params);
 261     abc_method_body_t* c = add_method(cls->file, cls, returntype, num_params, va);
 262     va_end(va);
 263     list_append(cls->traits, trait_new_method(multiname_fromstring(name), c->method));
 264     return c;
 265 }
 266
 267 void abc_AddSlot(abc_class_t*cls, char*name, int slot, char*multiname)
 268 {
 269     abc_file_t*file = cls->file;
 270     multiname_t*m = multiname_fromstring(multiname);
 271     list_append(cls->traits, trait_new(TRAIT_SLOT, m, slot, 0, 0, 0));
 272 }
 273
 274 void abc_method_body_addClassTrait(abc_method_body_t*code, char*multiname, int slotid, abc_class_t*cls)
 275 {
 276     abc_file_t*file = code->file;
 277     multiname_t*m = multiname_fromstring(multiname);
 278     trait_t*trait = trait_new(TRAIT_CLASS, m, slotid, 0, 0, 0);
 279     trait->cls = cls;
 280     list_append(code->traits, trait);
 281 }
 282
 283 /* notice: traits of a method (body) belonging to an init script
 284    and traits of the init script are *not* the same thing */
 285 void abc_initscript_addClassTrait(abc_script_t*script, char*multiname, int slotid, abc_class_t*cls)
 286 {
 287     abc_file_t*file = script->file;
 288     multiname_t*m = multiname_fromstring(multiname);
 289     trait_t*trait = trait_new(TRAIT_CLASS, m, slotid, 0, 0, 0);
 290     trait->cls = cls;
 291     list_append(script->traits, trait);
 292 }
 293
 294 abc_script_t* abc_initscript(abc_file_t*file, char*returntype, int num_params, ...)
 295 {
 296     va_list va;
 297     va_start(va, num_params);
 298     abc_method_body_t* c = add_method(file, 0, returntype, num_params, va);
 299     abc_script_t* s = malloc(sizeof(abc_script_t));
 300     s->method = c->method;
 301     s->traits = list_new();
 302     s->file = file;
 303     array_append(file->scripts, NO_KEY, s);
 304     va_end(va);
 305     return s;
 306 }
 307
 308 static void dump_traits(FILE*fo, const char*prefix, trait_list_t*traits, abc_file_t*file);
 309
 310 static void dump_method(FILE*fo, const char*prefix, const char*type, const char*name, abc_method_t*m, abc_file_t*file)
 311 {
 312     char*return_type = 0;
 313     if(m->return_type)
 314         return_type = multiname_to_string(m->return_type);
 315     else
 316         return_type = strdup("void");
 317     char*paramstr = params_to_string(m->parameters);
 318     fprintf(fo, "%s%s %s %s=%s %s\n", prefix, type, return_type, name, m->name, paramstr);
 319     free(paramstr);paramstr=0;
 320     free(return_type);return_type=0;
 321
 322     abc_method_body_t*c = m->body;
 323     if(!c) {
 324         return;
 325     }
 326
 327     fprintf(fo, "%s[%d %d %d %d %d]\n", prefix, c->max_stack, c->local_count, c->init_scope_depth, c->max_scope_depth, list_length(c->exceptions));
 328
 329     char prefix2[80];
 330     sprintf(prefix2, "%s    ", prefix);
 331     if(c->traits)
 332         dump_traits(fo, prefix, c->traits, file);
 333     fprintf(fo, "%s{\n", prefix);
 334     code_dump(c->code, c->exceptions, file, prefix2, fo);
 335     fprintf(fo, "%s}\n\n", prefix);
 336 }
 337
 338 static void traits_free(trait_list_t*traits)
 339 {
 340     trait_list_t*t = traits;
 341     while(t) {
 342         if(t->trait->name) {
 343             multiname_destroy(t->trait->name);t->trait->name = 0;
 344         }
 345         if(t->trait->kind == TRAIT_SLOT || t->trait->kind == TRAIT_CONST) {
 346             multiname_destroy(t->trait->type_name);
 347         }
 348         free(t->trait);t->trait = 0;
 349         t = t->next;
 350     }
 351     list_free(traits);
 352 }
 353
 354 static trait_list_t* traits_parse(TAG*tag, pool_t*pool, abc_file_t*file)
 355 {
 356     int num_traits = swf_GetU30(tag);
 357     trait_list_t*traits = list_new();
 358     int t;
 359     if(num_traits) {
 360         DEBUG printf("%d traits\n", num_traits);
 361     }
 362
 363     for(t=0;t<num_traits;t++) {
 364         trait_t*trait = malloc(sizeof(trait_t));
 365         memset(trait, 0, sizeof(trait_t));
 366         list_append(traits, trait);
 367
 368         trait->name = multiname_clone(pool_lookup_multiname(pool, swf_GetU30(tag))); // always a QName (ns,name)
 369
 370         const char*name = 0;
 371         DEBUG name = multiname_to_string(trait->name);
 372         U8 kind = swf_GetU8(tag);
 373         U8 attributes = kind&0xf0;
 374         kind&=0x0f;
 375         trait->kind = kind;
 376         trait->attributes = attributes;
 377         DEBUG printf("  trait %d) %s type=%02x\n", t, name, kind);
 378         if(kind == TRAIT_METHOD || kind == TRAIT_GETTER || kind == TRAIT_SETTER) { // method / getter / setter
 379             trait->disp_id = swf_GetU30(tag);
 380             trait->method = (abc_method_t*)array_getvalue(file->methods, swf_GetU30(tag));
 381             DEBUG printf("  method/getter/setter\n");
 382         } else if(kind == TRAIT_FUNCTION) { // function
 383             trait->slot_id =  swf_GetU30(tag);
 384             trait->method = (abc_method_t*)array_getvalue(file->methods, swf_GetU30(tag));
 385         } else if(kind == TRAIT_CLASS) { // class
 386             trait->slot_id = swf_GetU30(tag);
 387             trait->cls = (abc_class_t*)array_getvalue(file->classes, swf_GetU30(tag));
 388             DEBUG printf("  class %s %d %d\n", name, trait->slot_id, trait->cls);
 389         } else if(kind == TRAIT_SLOT || kind == TRAIT_CONST) { // slot, const
 390             /* a slot is a variable in a class that is shared amonst all instances
 391                of the same type, but which has a unique location in each object
 392                (in other words, slots are non-static, traits are static)
 393              */
 394             trait->slot_id = swf_GetU30(tag);
 395             trait->type_name = multiname_clone(pool_lookup_multiname(pool, swf_GetU30(tag)));
 396             trait->vindex = swf_GetU30(tag);
 397             if(trait->vindex) {
 398                 trait->vkind = swf_GetU8(tag);
 399             }
 400             DEBUG printf("  slot %s %d %s (vindex=%d)\n", name, trait->slot_id, trait->type_name->name, trait->vindex);
 401         } else {
 402             fprintf(stderr, "Can't parse trait type %d\n", kind);
 403         }
 404         if(attributes&0x40) {
 405             int num = swf_GetU30(tag);
 406             int s;
 407             for(s=0;s<num;s++) {
 408                 swf_GetU30(tag); //index into metadata array
 409             }
 410         }
 411     }
 412     return traits;
 413 }
 414
 415 void traits_skip(TAG*tag)
 416 {
 417     int num_traits = swf_GetU30(tag);
 418     int t;
 419     for(t=0;t<num_traits;t++) {
 420         swf_GetU30(tag);
 421         U8 kind = swf_GetU8(tag);
 422         U8 attributes = kind&0xf0;
 423         kind&=0x0f;
 424         swf_GetU30(tag);
 425         swf_GetU30(tag);
 426         if(kind == TRAIT_SLOT || kind == TRAIT_CONST) {
 427             if(swf_GetU30(tag)) swf_GetU8(tag);
 428         } else if(kind>TRAIT_CONST) {
 429             fprintf(stderr, "Can't parse trait type %d\n", kind);
 430         }
 431         if(attributes&0x40) {
 432             int s, num = swf_GetU30(tag);
 433             for(s=0;s<num;s++) swf_GetU30(tag);
 434         }
 435     }
 436 }
 437
 438
 439 static void traits_write(pool_t*pool, TAG*tag, trait_list_t*traits)
 440 {
 441     if(!traits) {
 442         swf_SetU30(tag, 0);
 443         return;
 444     }
 445     swf_SetU30(tag, list_length(traits));
 446     int s;
 447
 448     while(traits) {
 449         trait_t*trait = traits->trait;
 450
 451         swf_SetU30(tag, pool_register_multiname(pool, trait->name));
 452         swf_SetU8(tag, trait->kind|trait->attributes);
 453
 454         swf_SetU30(tag, trait->data1);
 455
 456         if(trait->kind == TRAIT_CLASS) {
 457             swf_SetU30(tag, trait->cls->index);
 458         } else if(trait->kind == TRAIT_GETTER ||
 459                   trait->kind == TRAIT_SETTER ||
 460                   trait->kind == TRAIT_METHOD) {
 461             swf_SetU30(tag, trait->method->index);
 462         } else if(trait->kind == TRAIT_SLOT ||
 463                   trait->kind == TRAIT_CONST) {
 464             int index = pool_register_multiname(pool, trait->type_name);
 465             swf_SetU30(tag, index);
 466         } else  {
 467             swf_SetU30(tag, trait->data2);
 468         }
 469
 470         if(trait->kind == TRAIT_SLOT || trait->kind == TRAIT_CONST) {
 471             swf_SetU30(tag, trait->vindex);
 472             if(trait->vindex) {
 473                 swf_SetU8(tag, trait->vkind);
 474             }
 475         }
 476         if(trait->attributes&0x40) {
 477             // metadata
 478             swf_SetU30(tag, 0);
 479         }
 480         traits = traits->next;
 481     }
 482 }
 483
 484
 485 static void dump_traits(FILE*fo, const char*prefix, trait_list_t*traits, abc_file_t*file)
 486 {
 487     int t;
 488     while(traits) {
 489         trait_t*trait = traits->trait;
 490         char*name = multiname_to_string(trait->name);
 491         U8 kind = trait->kind;
 492         U8 attributes = trait->attributes;
 493         if(kind == TRAIT_METHOD) {
 494             abc_method_t*m = trait->method;
 495             dump_method(fo, prefix, "method", name, m, file);
 496         } else if(kind == TRAIT_GETTER) {
 497             abc_method_t*m = trait->method;
 498             dump_method(fo, prefix, "getter", name, m, file);
 499         } else if(kind == TRAIT_SETTER) {
 500             abc_method_t*m = trait->method;
 501             dump_method(fo, prefix, "setter", name, m, file);
 502         } else if(kind == TRAIT_FUNCTION) { // function
 503             abc_method_t*m = trait->method;
 504             dump_method(fo, prefix, "function", name, m, file);
 505         } else if(kind == TRAIT_CLASS) { // class
 506             abc_class_t*cls = trait->cls;
 507             if(!cls) {
 508                 fprintf(fo, "%sslot %d: class %s=class%d\n", prefix, trait->slot_id, name);
 509             } else {
 510                 fprintf(fo, "%sslot %d: class %s=%s\n", prefix, trait->slot_id, name, cls->classname->name);
 511             }
 512         } else if(kind == TRAIT_SLOT || kind == TRAIT_CONST) { // slot, const
 513             int slot_id = trait->slot_id;
 514             char*type_name = multiname_to_string(trait->type_name);
 515             fprintf(fo, "%sslot %s %d %s (vindex=%d)\n", prefix, name, trait->slot_id, type_name, trait->vindex);
 516             free(type_name);
 517         } else {
 518             fprintf(fo, "%s    can't dump trait type %d\n", prefix, kind);
 519         }
 520         free(name);
 521         traits=traits->next;
 522     }
 523 }
 524
 525 void* swf_DumpABC(FILE*fo, void*code, char*prefix)
 526 {
 527     abc_file_t* file = (abc_file_t*)code;
 528
 529     if(file->name) {
 530         fprintf(fo, "%s#\n", prefix);
 531         fprintf(fo, "%s#name: %s\n", prefix, file->name);
 532         fprintf(fo, "%s#\n", prefix);
 533     }
 534
 535     int t;
 536     for(t=0;t<file->metadata->num;t++) {
 537         const char*entry_name = array_getkey(file->metadata, t);
 538         fprintf(fo, "%s#Metadata \"%s\":\n", prefix, entry_name);
 539         int s;
 540         array_t*items = (array_t*)array_getvalue(file->metadata, t);
 541         for(s=0;s<items->num;s++) {
 542             fprintf(fo, "%s#  %s=%s\n", prefix, array_getkey(items, s), array_getvalue(items,s));
 543         }
 544         fprintf(fo, "%s#\n", prefix);
 545     }
 546
 547     for(t=0;t<file->classes->num;t++) {
 548         abc_class_t*cls = (abc_class_t*)array_getvalue(file->classes, t);
 549         char prefix2[80];
 550         sprintf(prefix2, "%s    ", prefix);
 551
 552         fprintf(fo, "%s", prefix);
 553         if(cls->flags&1) fprintf(fo, "sealed ");
 554         if(cls->flags&2) fprintf(fo, "final ");
 555         if(cls->flags&4) fprintf(fo, "interface ");
 556         if(cls->flags&8) {
 557             char*s = namespace_to_string(cls->protectedNS);
 558             fprintf(fo, "protectedNS(%s) ", s);
 559             free(s);
 560         }
 561
 562         char*classname = multiname_to_string(cls->classname);
 563         fprintf(fo, "class %s", classname);
 564         free(classname);
 565         if(cls->superclass) {
 566             char*supername = multiname_to_string(cls->superclass);
 567             fprintf(fo, " extends %s", supername);
 568             free(supername);
 569             multiname_list_t*ilist = cls->interfaces;
 570             if(ilist)
 571                 fprintf(fo, " implements");
 572             while(ilist) {
 573                 char*s = multiname_to_string(ilist->multiname);
 574                 fprintf(fo, " %s", s);
 575                 free(s);
 576                 ilist = ilist->next;
 577             }
 578             ilist->next;
 579         }
 580         if(cls->flags&0xf0)
 581             fprintf(fo, "extra flags=%02x\n", cls->flags&0xf0);
 582         fprintf(fo, "%s{\n", prefix);
 583
 584         if(cls->static_constructor)
 585             dump_method(fo, prefix2,"staticconstructor", "", cls->static_constructor, file);
 586         dump_traits(fo, prefix2, cls->static_constructor_traits, file);
 587
 588         char*n = multiname_to_string(cls->classname);
 589         if(cls->constructor)
 590             dump_method(fo, prefix2, "constructor", n, cls->constructor, file);
 591         free(n);
 592         dump_traits(fo, prefix2,cls->traits, file);
 593         fprintf(fo, "%s}\n", prefix);
 594     }
 595     fprintf(fo, "%s\n", prefix);
 596
 597     for(t=0;t<file->scripts->num;t++) {
 598         abc_script_t*s = (abc_script_t*)array_getvalue(file->scripts, t);
 599         dump_method(fo, prefix,"initmethod", "init", s->method, file);
 600         dump_traits(fo, prefix, s->traits, file);
 601     }
 602     return file;
 603 }
 604
 605 void* swf_ReadABC(TAG*tag)
 606 {
 607     abc_file_t* file = abc_file_new();
 608     pool_t*pool = pool_new();
 609
 610     swf_SetTagPos(tag, 0);
 611     int t;
 612     if(tag->id == ST_DOABC) {
 613         U32 abcflags = swf_GetU32(tag);
 614         DEBUG printf("flags=%08x\n", abcflags);
 615         char*name= swf_GetString(tag);
 616         file->name = name?strdup(name):0;
 617     }
 618     U32 version = swf_GetU32(tag);
 619     if(version!=0x002e0010) {
 620         fprintf(stderr, "Warning: unknown AVM2 version %08x\n", version);
 621     }
 622
 623     pool_read(pool, tag);
 624
 625     int num_methods = swf_GetU30(tag);
 626     DEBUG printf("%d methods\n", num_methods);
 627     for(t=0;t<num_methods;t++) {
 628         NEW(abc_method_t,m);
 629         int param_count = swf_GetU30(tag);
 630         int return_type_index = swf_GetU30(tag);
 631         if(return_type_index)
 632             m->return_type = multiname_clone(pool_lookup_multiname(pool, return_type_index));
 633         else
 634             m->return_type = 0;
 635
 636         int s;
 637         for(s=0;s<param_count;s++) {
 638             int type_index = swf_GetU30(tag);
 639
 640             /* type_index might be 0, which probably means "..." (varargs) */
 641             multiname_t*param = type_index?multiname_clone(pool_lookup_multiname(pool, type_index)):0;
 642             list_append(m->parameters, param);
 643         }
 644
 645         int namenr = swf_GetU30(tag);
 646         if(namenr)
 647             m->name = strdup(pool_lookup_string(pool, namenr));
 648         else
 649             m->name = strdup("");
 650
 651         m->flags = swf_GetU8(tag);
 652
 653         DEBUG printf("method %d) %s flags=%02x\n", t, params_to_string(m->parameters), m->flags);
 654
 655         if(m->flags&0x08) {
 656             /* TODO optional parameters */
 657             int num = swf_GetU30(tag);
 658             int s;
 659             for(s=0;s<num;s++) {
 660                 int val = swf_GetU30(tag);
 661                 U8 kind = swf_GetU8(tag); // specifies index type for "val"
 662             }
 663         }
 664         if(m->flags&0x80) {
 665             /* debug information- not used by avm2 */
 666             multiname_list_t*l = m->parameters;
 667             while(l) {
 668                 char*name = pool_lookup_string(pool, swf_GetU30(tag));
 669                 l = l->next;
 670             }
 671         }
 672         array_append(file->methods, NO_KEY, m);
 673     }
 674
 675     parse_metadata(tag, file, pool);
 676
 677     /* skip classes, and scripts for now, and do the real parsing later */
 678     int num_classes = swf_GetU30(tag);
 679     int classes_pos = tag->pos;
 680     DEBUG printf("%d classes\n", num_classes);
 681     for(t=0;t<num_classes;t++) {
 682         abc_class_t*cls = malloc(sizeof(abc_class_t));
 683         memset(cls, 0, sizeof(abc_class_t));
 684
 685         DEBUG printf("class %d\n", t);
 686         swf_GetU30(tag); //classname
 687         swf_GetU30(tag); //supername
 688
 689         array_append(file->classes, NO_KEY, cls);
 690
 691         cls->flags = swf_GetU8(tag);
 692         if(cls->flags&8)
 693             swf_GetU30(tag); //protectedNS
 694         int s;
 695         int inum = swf_GetU30(tag); //interface count
 696         cls->interfaces = 0;
 697         for(s=0;s<inum;s++) {
 698             int interface_index = swf_GetU30(tag);
 699             multiname_t* m = multiname_clone(pool_lookup_multiname(pool, interface_index));
 700             list_append(cls->interfaces, m);
 701             DEBUG printf("  class %d interface: %s\n", t, m->name);
 702         }
 703
 704         swf_GetU30(tag); //iinit
 705         traits_skip(tag);
 706     }
 707     for(t=0;t<num_classes;t++) {
 708         abc_class_t*cls = (abc_class_t*)array_getvalue(file->classes, t);
 709         int cinit = swf_GetU30(tag);
 710         cls->static_constructor = (abc_method_t*)array_getvalue(file->methods, cinit);
 711         traits_skip(tag);
 712     }
 713     int num_scripts = swf_GetU30(tag);
 714     DEBUG printf("%d scripts\n", num_scripts);
 715     for(t=0;t<num_scripts;t++) {
 716         int init = swf_GetU30(tag);
 717         traits_skip(tag);
 718     }
 719
 720     int num_method_bodies = swf_GetU30(tag);
 721     DEBUG printf("%d method bodies\n", num_method_bodies);
 722     for(t=0;t<num_method_bodies;t++) {
 723         int methodnr = swf_GetU30(tag);
 724         if(methodnr >= file->methods->num) {
 725             printf("Invalid method number: %d\n", methodnr);
 726             return 0;
 727         }
 728         abc_method_t*m = (abc_method_t*)array_getvalue(file->methods, methodnr);
 729         abc_method_body_t*c = malloc(sizeof(abc_method_body_t));
 730         memset(c, 0, sizeof(abc_method_body_t));
 731         c->max_stack = swf_GetU30(tag);
 732         c->local_count = swf_GetU30(tag);
 733         c->init_scope_depth = swf_GetU30(tag);
 734         c->max_scope_depth = swf_GetU30(tag);
 735         int code_length = swf_GetU30(tag);
 736
 737         c->method = m;
 738         m->body = c;
 739
 740         int pos = tag->pos + code_length;
 741         codelookup_t*codelookup = 0;
 742         c->code = code_parse(tag, code_length, file, pool, &codelookup);
 743         tag->pos = pos;
 744
 745         int exception_count = swf_GetU30(tag);
 746         int s;
 747         c->exceptions = list_new();
 748         for(s=0;s<exception_count;s++) {
 749             exception_t*e = malloc(sizeof(exception_t));
 750
 751             e->from = code_atposition(codelookup, swf_GetU30(tag));
 752             e->to = code_atposition(codelookup, swf_GetU30(tag));
 753             e->target = code_atposition(codelookup, swf_GetU30(tag));
 754
 755             e->exc_type = multiname_clone(pool_lookup_multiname(pool, swf_GetU30(tag)));
 756             e->var_name = multiname_clone(pool_lookup_multiname(pool, swf_GetU30(tag)));
 757             //e->var_name = pool_lookup_string(pool, swf_GetU30(tag));
 758             //if(e->var_name) e->var_name = strdup(e->var_name);
 759             list_append(c->exceptions, e);
 760         }
 761         codelookup_free(codelookup);
 762         c->traits = traits_parse(tag, pool, file);
 763
 764         DEBUG printf("method_body %d) (method %d), %d bytes of code", t, methodnr, code_length);
 765
 766         array_append(file->method_bodies, NO_KEY, c);
 767     }
 768     if(tag->len - tag->pos) {
 769         fprintf(stderr, "%d unparsed bytes remaining in ABC block\n", tag->len - tag->pos);
 770         return 0;
 771     }
 772
 773     swf_SetTagPos(tag, classes_pos);
 774     for(t=0;t<num_classes;t++) {
 775         abc_class_t*cls = (abc_class_t*)array_getvalue(file->classes, t);
 776
 777         int classname_index = swf_GetU30(tag);
 778         int superclass_index = swf_GetU30(tag);
 779         cls->classname = multiname_clone(pool_lookup_multiname(pool, classname_index));
 780         cls->superclass = multiname_clone(pool_lookup_multiname(pool, superclass_index));
 781         cls->flags = swf_GetU8(tag);
 782         const char*ns = "";
 783         if(cls->flags&8) {
 784             int ns_index = swf_GetU30(tag);
 785             cls->protectedNS = namespace_clone(pool_lookup_namespace(pool, ns_index));
 786         }
 787
 788         int num_interfaces = swf_GetU30(tag); //interface count
 789         int s;
 790         for(s=0;s<num_interfaces;s++) {
 791             swf_GetU30(tag); // multiname index TODO
 792         }
 793         int iinit = swf_GetU30(tag);
 794         cls->constructor = (abc_method_t*)array_getvalue(file->methods, iinit);
 795         cls->traits = traits_parse(tag, pool, file);
 796     }
 797     for(t=0;t<num_classes;t++) {
 798         abc_class_t*cls = (abc_class_t*)array_getvalue(file->classes, t);
 799         /* SKIP */
 800         swf_GetU30(tag); // cindex
 801         cls->static_constructor_traits = traits_parse(tag, pool, file);
 802     }
 803     int num_scripts2 = swf_GetU30(tag);
 804     for(t=0;t<num_scripts2;t++) {
 805         int init = swf_GetU30(tag);
 806         abc_method_t*m = (abc_method_t*)array_getvalue(file->methods, init);
 807
 808         abc_script_t*s = malloc(sizeof(abc_script_t));
 809         memset(s, 0, sizeof(abc_script_t));
 810         s->method = m;
 811         s->traits = traits_parse(tag, pool, file);
 812         array_append(file->scripts, NO_KEY, s);
 813         if(!s->traits) {
 814             fprintf(stderr, "Can't parse script traits\n");
 815             return 0;
 816         }
 817     }
 818
 819     pool_destroy(pool);
 820     return file;
 821 }
 822
 823 void swf_WriteABC(TAG*abctag, void*code)
 824 {
 825     abc_file_t*file = (abc_file_t*)code;
 826     pool_t*pool = pool_new();
 827
 828     TAG*tmp = swf_InsertTag(0,0);
 829     TAG*tag = tmp;
 830     int t;
 831
 832     char need_null_method=0;
 833     for(t=0;t<file->classes->num;t++) {
 834         abc_class_t*c = (abc_class_t*)array_getvalue(file->classes, t);
 835         if(!c->constructor || !c->static_constructor) {
 836             need_null_method=1;
 837             break;
 838         }
 839     }
 840
 841     abc_method_t*nullmethod = 0;
 842     if(need_null_method) {
 843         nullmethod = malloc(sizeof(abc_method_t));
 844         memset(nullmethod, 0, sizeof(abc_method_t));
 845         /*TODO: might be more efficient to have this at the beginning */
 846         array_append(file->methods, NO_KEY, nullmethod);
 847     }
 848
 849     swf_SetU30(tag, file->methods->num);
 850     /* enumerate classes, methods and method bodies */
 851     for(t=0;t<file->methods->num;t++) {
 852         abc_method_t*m = (abc_method_t*)array_getvalue(file->methods, t);
 853         m->index = t;
 854     }
 855     for(t=0;t<file->classes->num;t++) {
 856         abc_class_t*c = (abc_class_t*)array_getvalue(file->classes, t);
 857         c->index = t;
 858     }
 859     for(t=0;t<file->method_bodies->num;t++) {
 860         abc_method_body_t*m = (abc_method_body_t*)array_getvalue(file->method_bodies, t);
 861         m->index = t;
 862         exception_list_t*ee = m->exceptions;
 863         while(ee) {
 864             exception_t*e=ee->exception;ee->exception=0;
 865             e->from = e->to = e->target = 0;
 866             multiname_destroy(e->exc_type);e->exc_type=0;
 867             multiname_destroy(e->var_name);e->var_name=0;
 868             free(e);
 869             ee=ee->next;
 870         }
 871         list_free(m->exceptions);m->exceptions=0;
 872     }
 873
 874     for(t=0;t<file->methods->num;t++) {
 875         abc_method_t*m = (abc_method_t*)array_getvalue(file->methods, t);
 876         int n = 0;
 877         multiname_list_t*l = m->parameters;
 878         int num_params = list_length(m->parameters);
 879         swf_SetU30(tag, num_params);
 880         if(m->return_type)
 881             swf_SetU30(tag, pool_register_multiname(pool, m->return_type));
 882         else
 883             swf_SetU30(tag, 0);
 884         int s;
 885         while(l) {
 886             swf_SetU30(tag, pool_register_multiname(pool, l->multiname));
 887             l = l->next;
 888         }
 889         if(m->name) {
 890             swf_SetU30(tag, pool_register_string(pool, m->name));
 891         } else {
 892             swf_SetU30(tag, 0);
 893         }
 894
 895         swf_SetU8(tag, 0); //flags
 896     }
 897
 898     /* write metadata */
 899     swf_SetU30(tag, file->metadata->num);
 900     for(t=0;t<file->metadata->num;t++) {
 901         const char*entry_name = array_getkey(file->metadata, t);
 902         swf_SetU30(tag, pool_register_string(pool, entry_name));
 903         array_t*items = (array_t*)array_getvalue(file->metadata, t);
 904         swf_SetU30(tag, items->num);
 905         int s;
 906         for(s=0;s<items->num;s++) {
 907             int i1 = pool_register_string(pool, array_getkey(items, s));
 908             int i2 = pool_register_string(pool, array_getvalue(items, s));
 909             swf_SetU30(tag, i1);
 910             swf_SetU30(tag, i2);
 911         }
 912     }
 913
 914     swf_SetU30(tag, file->classes->num);
 915     for(t=0;t<file->classes->num;t++) {
 916         abc_class_t*c = (abc_class_t*)array_getvalue(file->classes, t);
 917
 918         int classname_index = pool_register_multiname(pool, c->classname);
 919         int superclass_index = pool_register_multiname(pool, c->superclass);
 920
 921         swf_SetU30(tag, classname_index);
 922         swf_SetU30(tag, superclass_index);
 923
 924         swf_SetU8(tag, c->flags); // flags
 925         if(c->flags&0x08) {
 926             int ns_index = pool_register_namespace(pool, c->protectedNS);
 927             swf_SetU30(tag, ns_index);
 928         }
 929
 930         swf_SetU30(tag, list_length(c->interfaces));
 931         multiname_list_t*interface= c->interfaces;
 932         while(interface) {
 933             swf_SetU30(tag, pool_register_multiname(pool, interface->multiname));
 934             interface = interface->next;
 935         }
 936
 937         if(!c->constructor) {
 938             swf_SetU30(tag, nullmethod->index);
 939         } else {
 940             swf_SetU30(tag, c->constructor->index);
 941         }
 942         traits_write(pool, tag, c->traits);
 943     }
 944     for(t=0;t<file->classes->num;t++) {
 945         abc_class_t*c = (abc_class_t*)array_getvalue(file->classes, t);
 946         if(!c->static_constructor) {
 947             swf_SetU30(tag, nullmethod->index);
 948         } else {
 949             swf_SetU30(tag, c->static_constructor->index);
 950         }
 951         traits_write(pool, tag, c->static_constructor_traits);
 952     }
 953
 954     swf_SetU30(tag, file->scripts->num);
 955     for(t=0;t<file->scripts->num;t++) {
 956         abc_script_t*s = (abc_script_t*)array_getvalue(file->scripts, t);
 957         swf_SetU30(tag, s->method->index); //!=t!
 958         traits_write(pool, tag, s->traits);
 959     }
 960
 961     swf_SetU30(tag, file->method_bodies->num);
 962     for(t=0;t<file->method_bodies->num;t++) {
 963         abc_method_body_t*c = (abc_method_body_t*)array_getvalue(file->method_bodies, t);
 964         abc_method_t*m = c->method;
 965         swf_SetU30(tag, m->index);
 966         swf_SetU30(tag, c->max_stack);
 967         swf_SetU30(tag, c->local_count);
 968         swf_SetU30(tag, c->init_scope_depth);
 969         swf_SetU30(tag, c->max_scope_depth);
 970
 971         code_write(tag, c->code, pool, file);
 972
 973         swf_SetU30(tag, list_length(c->exceptions));
 974         exception_list_t*l = c->exceptions;
 975         while(l) {
 976             // warning: assumes "pos" in each code_t is up-to-date
 977             swf_SetU30(tag, l->exception->from->pos);
 978             swf_SetU30(tag, l->exception->to->pos);
 979             swf_SetU30(tag, l->exception->target->pos);
 980             swf_SetU30(tag, pool_register_multiname(pool, l->exception->exc_type));
 981             swf_SetU30(tag, pool_register_multiname(pool, l->exception->var_name));
 982             l = l->next;
 983         }
 984
 985         traits_write(pool, tag, c->traits);
 986     }
 987
 988     // --- start to write real tag --
 989
 990     tag = abctag;
 991
 992     if(tag->id == ST_DOABC) {
 993         swf_SetU32(tag, 1); // flags
 994         swf_SetString(tag, file->name);
 995     }
 996
 997     swf_SetU16(tag, 0x10); //version
 998     swf_SetU16(tag, 0x2e);
 999
1000     pool_write(pool, tag);
1001
1002     swf_SetBlock(tag, tmp->data, tmp->len);
1003
1004     swf_DeleteTag(0, tmp);
1005     pool_destroy(pool);
1006 }
1007
1008 void abc_file_free(abc_file_t*file)
1009 {
1010
1011     int t;
1012     for(t=0;t<file->metadata->num;t++) {
1013         array_t*items = (array_t*)array_getvalue(file->metadata, t);
1014         int s;
1015         for(s=0;s<items->num;s++) {
1016             free(array_getvalue(items, s));
1017         }
1018         array_free(items);
1019     }
1020     array_free(file->metadata);
1021
1022     for(t=0;t<file->methods->num;t++) {
1023         abc_method_t*m = (abc_method_t*)array_getvalue(file->methods, t);
1024
1025         multiname_list_t*param = m->parameters;
1026         while(param) {
1027             multiname_destroy(param->multiname);param->multiname=0;
1028             param = param->next;
1029         }
1030         list_free(m->parameters);m->parameters=0;
1031
1032         if(m->name) {
1033             free((void*)m->name);m->name=0;
1034         }
1035         if(m->return_type) {
1036             multiname_destroy(m->return_type);
1037         }
1038         free(m);
1039     }
1040     array_free(file->methods);
1041
1042     for(t=0;t<file->classes->num;t++) {
1043         abc_class_t*cls = (abc_class_t*)array_getvalue(file->classes, t);
1044         traits_free(cls->traits);cls->traits=0;
1045         traits_free(cls->static_constructor_traits);cls->static_constructor_traits=0;
1046
1047         if(cls->classname) {
1048             multiname_destroy(cls->classname);
1049         }
1050         if(cls->superclass) {
1051             multiname_destroy(cls->superclass);
1052         }
1053
1054         multiname_list_t*i = cls->interfaces;
1055         while(i) {
1056             multiname_destroy(i->multiname);i->multiname=0;
1057             i = i->next;
1058         }
1059         list_free(cls->interfaces);cls->interfaces=0;
1060
1061         if(cls->protectedNS) {
1062             namespace_destroy(cls->protectedNS);
1063         }
1064         free(cls);
1065     }
1066     array_free(file->classes);
1067
1068     for(t=0;t<file->scripts->num;t++) {
1069         abc_script_t*s = (abc_script_t*)array_getvalue(file->scripts, t);
1070         traits_free(s->traits);s->traits=0;
1071         free(s);
1072     }
1073     array_free(file->scripts);
1074
1075     for(t=0;t<file->method_bodies->num;t++) {
1076         abc_method_body_t*body = (abc_method_body_t*)array_getvalue(file->method_bodies, t);
1077         code_free(body->code);body->code=0;
1078         traits_free(body->traits);body->traits=0;
1079         free(body);
1080     }
1081     array_free(file->method_bodies);
1082
1083     if(file->name) {
1084         free((void*)file->name);file->name=0;
1085     }
1086
1087     free(file);
1088 }
1089
1090 void swf_FreeABC(void*code)
1091 {
1092     abc_file_t*file= (abc_file_t*)code;
1093     abc_file_free(file);
1094 }
1095
1096 void swf_AddButtonLinks(SWF*swf, char stop_each_frame, char events)
1097 {
1098     int num_frames = 0;
1099     int has_buttons = 0;
1100     TAG*tag=swf->firstTag;
1101     while(tag) {
1102         if(tag->id == ST_SHOWFRAME)
1103             num_frames++;
1104         if(tag->id == ST_DEFINEBUTTON || tag->id == ST_DEFINEBUTTON2)
1105             has_buttons = 1;
1106         tag = tag->next;
1107     }
1108
1109     abc_file_t*file = abc_file_new();
1110     abc_method_body_t*c = 0;
1111
1112     abc_class_t*cls = abc_class_new2(file, "rfx::MainTimeline", "flash.display::MovieClip");
1113     abc_class_protectedNS(cls, "rfx:MainTimeline");
1114
1115     TAG*abctag = swf_InsertTagBefore(swf, swf->firstTag, ST_DOABC);
1116
1117     tag = swf_InsertTag(abctag, ST_SYMBOLCLASS);
1118     swf_SetU16(tag, 1);
1119     swf_SetU16(tag, 0);
1120     swf_SetString(tag, "rfx.MainTimeline");
1121
1122     c = abc_class_staticconstructor(cls, 0, 0);
1123     c->max_stack = 1;
1124     c->local_count = 1;
1125     c->init_scope_depth = 9;
1126     c->max_scope_depth = 10;
1127
1128     __ getlocal_0(c);
1129     __ pushscope(c);
1130     __ returnvoid(c);
1131
1132     c = abc_class_constructor(cls, 0, 0);
1133     c->max_stack = 3;
1134     c->local_count = 1;
1135     c->init_scope_depth = 10;
1136     c->max_scope_depth = 11;
1137
1138     debugfile(c, "constructor.as");
1139
1140     __ getlocal_0(c);
1141     __ pushscope(c);
1142
1143     __ getlocal_0(c);
1144     __ constructsuper(c,0);
1145
1146     __ getlex(c, "[package]flash.system::Security");
1147     __ pushstring(c, "*");
1148     __ callpropvoid(c, "[package]::allowDomain", 1);
1149
1150     if(stop_each_frame || has_buttons) {
1151         int frame = 0;
1152         tag = swf->firstTag;
1153         abc_method_body_t*f = 0; //frame script
1154         while(tag && tag->id!=ST_END) {
1155             char framename[80];
1156             char needs_framescript=0;
1157             char buttonname[80];
1158             char functionname[80];
1159             sprintf(framename, "[packageinternal]rfx::frame%d", frame);
1160
1161             if(!f && (tag->id == ST_DEFINEBUTTON || tag->id == ST_DEFINEBUTTON2 || stop_each_frame)) {
1162                 /* make the contructor add a frame script */
1163                 __ findpropstrict(c,"[package]::addFrameScript");
1164                 __ pushbyte(c,frame);
1165                 __ getlex(c,framename);
1166                 __ callpropvoid(c,"[package]::addFrameScript",2);
1167
1168                 f = abc_class_method(cls, 0, framename, 0);
1169                 f->max_stack = 3;
1170                 f->local_count = 1;
1171                 f->init_scope_depth = 10;
1172                 f->max_scope_depth = 11;
1173                 __ debugfile(f, "framescript.as");
1174                 __ debugline(f, 1);
1175                 __ getlocal_0(f);
1176                 __ pushscope(f);
1177             }
1178
1179             if(tag->id == ST_DEFINEBUTTON || tag->id == ST_DEFINEBUTTON2) {
1180                 U16 id = swf_GetDefineID(tag);
1181                 sprintf(buttonname, "::button%d", swf_GetDefineID(tag));
1182                 __ getlex(f,buttonname);
1183                 __ getlex(f,"flash.events::MouseEvent");
1184                 __ getproperty(f, "::CLICK");
1185                 sprintf(functionname, "::clickbutton%d", swf_GetDefineID(tag));
1186                 __ getlex(f,functionname);
1187                 __ callpropvoid(f, "::addEventListener" ,2);
1188
1189                 if(stop_each_frame) {
1190                     __ findpropstrict(f, "[package]::stop");
1191                     __ callpropvoid(f, "[package]::stop", 0);
1192                 }
1193                 needs_framescript = 1;
1194
1195                 abc_method_body_t*h =
1196                     abc_class_method(cls, "::void", functionname, 1, "flash.events::MouseEvent");
1197                 h->max_stack = 6;
1198                 h->local_count = 2;
1199                 h->init_scope_depth = 10;
1200                 h->max_scope_depth = 11;
1201                 __ getlocal_0(h);
1202                 __ pushscope(h);
1203
1204                 ActionTAG*oldaction = swf_ButtonGetAction(tag);
1205                 if(oldaction && oldaction->op == ACTION__GOTOFRAME) {
1206                     int framenr = GET16(oldaction->data);
1207                     if(framenr>254) {
1208                         fprintf(stderr, "Warning: Couldn't translate jump to frame %d to flash 9 actionscript\n", framenr);
1209                     }
1210                     if(!events) {
1211                         __ findpropstrict(h,"[package]::gotoAndStop");
1212                         __ pushbyte(h,framenr+1);
1213                         __ callpropvoid(h,"[package]::gotoAndStop", 1);
1214                     } else {
1215                         char framename[80];
1216                         sprintf(framename, "frame%d", framenr);
1217                         __ getlocal_0(h); //this
1218                         __ findpropstrict(h, "[package]flash.events::TextEvent");
1219                         __ pushstring(h, "link");
1220                         __ pushtrue(h);
1221                         __ pushtrue(h);
1222                         __ pushstring(h, framename);
1223                         __ constructprop(h,"[package]flash.events::TextEvent", 4);
1224                         __ callpropvoid(h,"[package]::dispatchEvent", 1);
1225                     }
1226                 } else if(oldaction && oldaction->op == ACTION__GETURL) {
1227                     if(!events) {
1228                         __ findpropstrict(h,"flash.net::navigateToURL");
1229                         __ findpropstrict(h,"flash.net::URLRequest");
1230                         // TODO: target _blank
1231                         __ pushstring(h,oldaction->data); //url
1232                         __ constructprop(h,"flash.net::URLRequest", 1);
1233                         __ callpropvoid(h,"flash.net::navigateToURL", 1);
1234                     } else {
1235                         __ getlocal_0(h); //this
1236                         __ findpropstrict(h, "[package]flash.events::TextEvent");
1237                         __ pushstring(h, "link");
1238                         __ pushtrue(h);
1239                         __ pushtrue(h);
1240                         __ pushstring(h,oldaction->data); //url
1241                         __ constructprop(h,"[package]flash.events::TextEvent", 4);
1242                         __ callpropvoid(h,"[package]::dispatchEvent", 1);
1243                     }
1244                 } else if(oldaction) {
1245                     fprintf(stderr, "Warning: Couldn't translate button code of button %d to flash 9 abc action\n", id);
1246                 }
1247                 __ returnvoid(h);
1248                 swf_ActionFree(oldaction);
1249             }
1250             if(tag->id == ST_SHOWFRAME) {
1251                 if(f) {
1252                     __ returnvoid(f);
1253                     f = 0;
1254                 }
1255                 frame++;
1256             }
1257             tag = tag->next;
1258         }
1259         if(f) {
1260             __ returnvoid(f);
1261         }
1262     }
1263     __ returnvoid(c);
1264
1265     tag = swf->firstTag;
1266     while(tag) {
1267         if(tag->id == ST_DEFINEBUTTON || tag->id == ST_DEFINEBUTTON2) {
1268             char buttonname[80];
1269             sprintf(buttonname, "::button%d", swf_GetDefineID(tag));
1270             abc_AddSlot(cls, buttonname, 0, "flash.display::SimpleButton");
1271         }
1272         tag = tag->next;
1273     }
1274
1275
1276     abc_script_t*s = abc_initscript(file, 0, 0);
1277     c = s->method->body;
1278     c->max_stack = 2;
1279     c->local_count = 1;
1280     c->init_scope_depth = 1;
1281     c->max_scope_depth = 9;
1282
1283     __ getlocal_0(c);
1284     __ pushscope(c);
1285     __ getscopeobject(c, 0);
1286     __ getlex(c,"::Object");
1287     __ pushscope(c);
1288     __ getlex(c,"flash.events::EventDispatcher");
1289     __ pushscope(c);
1290     __ getlex(c,"flash.display::DisplayObject");
1291     __ pushscope(c);
1292     __ getlex(c,"flash.display::InteractiveObject");
1293     __ pushscope(c);
1294     __ getlex(c,"flash.display::DisplayObjectContainer");
1295     __ pushscope(c);
1296     __ getlex(c,"flash.display::Sprite");
1297     __ pushscope(c);
1298     __ getlex(c,"flash.display::MovieClip");
1299     __ pushscope(c);
1300     __ getlex(c,"flash.display::MovieClip");
1301     __ newclass(c,cls);
1302     __ popscope(c);
1303     __ popscope(c);
1304     __ popscope(c);
1305     __ popscope(c);
1306     __ popscope(c);
1307     __ popscope(c);
1308     __ popscope(c);
1309     __ initproperty(c,"rfx::MainTimeline");
1310     __ returnvoid(c);
1311
1312     //abc_method_body_addClassTrait(c, "rfx:MainTimeline", 1, cls);
1313     abc_initscript_addClassTrait(s, "rfx::MainTimeline", 1, cls);
1314
1315     swf_WriteABC(abctag, file);
1316 }
1317