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*pool, multiname_t*classname, multiname_t*superclass) {
 140
 141     NEW(abc_class_t,c);
 142     array_append(pool->classes, NO_KEY, c);
 143
 144     c->pool = pool;
 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*pool, 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(pool->method_bodies, NO_KEY, c);
 185     c->pool = pool;
 186     c->traits = list_new();
 187     c->code = 0;
 188
 189     /* construct method object */
 190     NEW(abc_method_t,m);
 191     array_append(pool->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->pool, 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->pool, 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*pool = cls->pool;
 259     va_list va;
 260     va_start(va, num_params);
 261     abc_method_body_t* c = add_method(cls->pool, 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*pool = cls->pool;
 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*pool = code->pool;
 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*pool = script->pool;
 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*pool, char*returntype, int num_params, ...)
 295 {
 296     va_list va;
 297     va_start(va, num_params);
 298     abc_method_body_t* c = add_method(pool, 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->pool = pool;
 303     array_append(pool->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     const char*return_type = "void";
 313     if(m->return_type)
 314         return_type = multiname_to_string(m->return_type);
 315
 316     char*paramstr = params_to_string(m->parameters);
 317
 318     fprintf(fo, "%s%s %s %s=%s %s\n", prefix, type, return_type, name, m->name, paramstr);
 319
 320     abc_method_body_t*c = m->body;
 321     if(!c) {
 322         return;
 323     }
 324
 325     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));
 326
 327     char prefix2[80];
 328     sprintf(prefix2, "%s    ", prefix);
 329     if(c->traits)
 330         dump_traits(fo, prefix, c->traits, file);
 331     fprintf(fo, "%s{\n", prefix);
 332     code_dump(c->code, c->exceptions, file, prefix2, fo);
 333     fprintf(fo, "%s}\n\n", prefix);
 334 }
 335
 336 static void traits_free(trait_list_t*traits)
 337 {
 338     trait_list_t*t = traits;
 339     while(t) {
 340         if(t->trait->name) {
 341             multiname_destroy(t->trait->name);t->trait->name = 0;
 342         }
 343         if(t->trait->kind == TRAIT_SLOT || t->trait->kind == TRAIT_CONST) {
 344             multiname_destroy(t->trait->type_name);
 345         }
 346         free(t->trait);t->trait = 0;
 347         t = t->next;
 348     }
 349     list_free(traits);
 350 }
 351
 352 static trait_list_t* traits_parse(TAG*tag, pool_t*pool, abc_file_t*file)
 353 {
 354     int num_traits = swf_GetU30(tag);
 355     trait_list_t*traits = list_new();
 356     int t;
 357     if(num_traits) {
 358         DEBUG printf("%d traits\n", num_traits);
 359     }
 360
 361     for(t=0;t<num_traits;t++) {
 362         trait_t*trait = malloc(sizeof(trait_t));
 363         memset(trait, 0, sizeof(trait_t));
 364         list_append(traits, trait);
 365
 366         trait->name = multiname_clone(pool_lookup_multiname(pool, swf_GetU30(tag))); // always a QName (ns,name)
 367
 368         const char*name = 0;
 369         DEBUG name = multiname_to_string(trait->name);
 370         U8 kind = swf_GetU8(tag);
 371         U8 attributes = kind&0xf0;
 372         kind&=0x0f;
 373         trait->kind = kind;
 374         trait->attributes = attributes;
 375         DEBUG printf("  trait %d) %s type=%02x\n", t, name, kind);
 376         if(kind == TRAIT_METHOD || kind == TRAIT_GETTER || kind == TRAIT_SETTER) { // method / getter / setter
 377             trait->disp_id = swf_GetU30(tag);
 378             trait->method = (abc_method_t*)array_getvalue(file->methods, swf_GetU30(tag));
 379             DEBUG printf("  method/getter/setter\n");
 380         } else if(kind == TRAIT_FUNCTION) { // function
 381             trait->slot_id =  swf_GetU30(tag);
 382             trait->method = (abc_method_t*)array_getvalue(file->methods, swf_GetU30(tag));
 383         } else if(kind == TRAIT_CLASS) { // class
 384             trait->slot_id = swf_GetU30(tag);
 385             trait->cls = (abc_class_t*)array_getvalue(file->classes, swf_GetU30(tag));
 386             DEBUG printf("  class %s %d %d\n", name, trait->slot_id, trait->cls);
 387         } else if(kind == TRAIT_SLOT || kind == TRAIT_CONST) { // slot, const
 388             /* a slot is a variable in a class that is shared amonst all instances
 389                of the same type, but which has a unique location in each object
 390                (in other words, slots are non-static, traits are static)
 391              */
 392             trait->slot_id = swf_GetU30(tag);
 393             trait->type_name = multiname_clone(pool_lookup_multiname(pool, swf_GetU30(tag)));
 394             trait->vindex = swf_GetU30(tag);
 395             if(trait->vindex) {
 396                 trait->vkind = swf_GetU8(tag);
 397             }
 398             DEBUG printf("  slot %s %d %s (vindex=%d)\n", name, trait->slot_id, trait->type_name->name, trait->vindex);
 399         } else {
 400             fprintf(stderr, "Can't parse trait type %d\n", kind);
 401         }
 402         if(attributes&0x40) {
 403             int num = swf_GetU30(tag);
 404             int s;
 405             for(s=0;s<num;s++) {
 406                 swf_GetU30(tag); //index into metadata array
 407             }
 408         }
 409     }
 410     return traits;
 411 }
 412
 413 void traits_skip(TAG*tag)
 414 {
 415     int num_traits = swf_GetU30(tag);
 416     int t;
 417     for(t=0;t<num_traits;t++) {
 418         swf_GetU30(tag);
 419         U8 kind = swf_GetU8(tag);
 420         U8 attributes = kind&0xf0;
 421         kind&=0x0f;
 422         swf_GetU30(tag);
 423         swf_GetU30(tag);
 424         if(kind == TRAIT_SLOT || kind == TRAIT_CONST) {
 425             if(swf_GetU30(tag)) swf_GetU8(tag);
 426         } else if(kind>TRAIT_CONST) {
 427             fprintf(stderr, "Can't parse trait type %d\n", kind);
 428         }
 429         if(attributes&0x40) {
 430             int s, num = swf_GetU30(tag);
 431             for(s=0;s<num;s++) swf_GetU30(tag);
 432         }
 433     }
 434 }
 435
 436
 437 static void traits_write(pool_t*pool, TAG*tag, trait_list_t*traits)
 438 {
 439     if(!traits) {
 440         swf_SetU30(tag, 0);
 441         return;
 442     }
 443     swf_SetU30(tag, list_length(traits));
 444     int s;
 445
 446     while(traits) {
 447         trait_t*trait = traits->trait;
 448
 449         swf_SetU30(tag, pool_register_multiname(pool, trait->name));
 450         swf_SetU8(tag, trait->kind|trait->attributes);
 451
 452         swf_SetU30(tag, trait->data1);
 453
 454         if(trait->kind == TRAIT_CLASS) {
 455             swf_SetU30(tag, trait->cls->index);
 456         } else if(trait->kind == TRAIT_GETTER ||
 457                   trait->kind == TRAIT_SETTER ||
 458                   trait->kind == TRAIT_METHOD) {
 459             swf_SetU30(tag, trait->method->index);
 460         } else if(trait->kind == TRAIT_SLOT ||
 461                   trait->kind == TRAIT_CONST) {
 462             int index = pool_register_multiname(pool, trait->type_name);
 463             swf_SetU30(tag, index);
 464         } else  {
 465             swf_SetU30(tag, trait->data2);
 466         }
 467
 468         if(trait->kind == TRAIT_SLOT || trait->kind == TRAIT_CONST) {
 469             swf_SetU30(tag, trait->vindex);
 470             if(trait->vindex) {
 471                 swf_SetU8(tag, trait->vkind);
 472             }
 473         }
 474         if(trait->attributes&0x40) {
 475             // metadata
 476             swf_SetU30(tag, 0);
 477         }
 478         traits = traits->next;
 479     }
 480 }
 481
 482
 483 static void dump_traits(FILE*fo, const char*prefix, trait_list_t*traits, abc_file_t*file)
 484 {
 485     int t;
 486     while(traits) {
 487         trait_t*trait = traits->trait;
 488         char*name = multiname_to_string(trait->name);
 489         U8 kind = trait->kind;
 490         U8 attributes = trait->attributes;
 491         if(kind == TRAIT_METHOD) {
 492             abc_method_t*m = trait->method;
 493             dump_method(fo, prefix, "method", name, m, file);
 494         } else if(kind == TRAIT_GETTER) {
 495             abc_method_t*m = trait->method;
 496             dump_method(fo, prefix, "getter", name, m, file);
 497         } else if(kind == TRAIT_SETTER) {
 498             abc_method_t*m = trait->method;
 499             dump_method(fo, prefix, "setter", name, m, file);
 500         } else if(kind == TRAIT_FUNCTION) { // function
 501             abc_method_t*m = trait->method;
 502             dump_method(fo, prefix, "function", name, m, file);
 503         } else if(kind == TRAIT_CLASS) { // class
 504             abc_class_t*cls = trait->cls;
 505             if(!cls) {
 506                 fprintf(fo, "%sslot %d: class %s=class%d\n", prefix, trait->slot_id, name);
 507             } else {
 508                 fprintf(fo, "%sslot %d: class %s=%s\n", prefix, trait->slot_id, name, cls->classname->name);
 509             }
 510         } else if(kind == TRAIT_SLOT || kind == TRAIT_CONST) { // slot, const
 511             int slot_id = trait->slot_id;
 512             char*type_name = multiname_to_string(trait->type_name);
 513             fprintf(fo, "%sslot %s %d %s (vindex=%d)\n", prefix, name, trait->slot_id, type_name, trait->vindex);
 514             free(type_name);
 515         } else {
 516             fprintf(fo, "%s    can't dump trait type %d\n", prefix, kind);
 517         }
 518         free(name);
 519         traits=traits->next;
 520     }
 521 }
 522
 523 void* swf_DumpABC(FILE*fo, void*code, char*prefix)
 524 {
 525     abc_file_t* file = (abc_file_t*)code;
 526
 527     if(file->name) {
 528         fprintf(fo, "%s#\n", prefix);
 529         fprintf(fo, "%s#name: %s\n", prefix, file->name);
 530         fprintf(fo, "%s#\n", prefix);
 531     }
 532
 533     int t;
 534     for(t=0;t<file->metadata->num;t++) {
 535         const char*entry_name = array_getkey(file->metadata, t);
 536         fprintf(fo, "%s#Metadata \"%s\":\n", prefix, entry_name);
 537         int s;
 538         array_t*items = (array_t*)array_getvalue(file->metadata, t);
 539         for(s=0;s<items->num;s++) {
 540             fprintf(fo, "%s#  %s=%s\n", prefix, array_getkey(items, s), array_getvalue(items,s));
 541         }
 542         fprintf(fo, "%s#\n", prefix);
 543     }
 544
 545     for(t=0;t<file->classes->num;t++) {
 546         abc_class_t*cls = (abc_class_t*)array_getvalue(file->classes, t);
 547         char prefix2[80];
 548         sprintf(prefix2, "%s    ", prefix);
 549
 550         fprintf(fo, "%s", prefix);
 551         if(cls->flags&1) fprintf(fo, "sealed ");
 552         if(cls->flags&2) fprintf(fo, "final ");
 553         if(cls->flags&4) fprintf(fo, "interface ");
 554         if(cls->flags&8) {
 555             char*s = namespace_to_string(cls->protectedNS);
 556             fprintf(fo, "protectedNS(%s) ", s);
 557             free(s);
 558         }
 559
 560         char*classname = multiname_to_string(cls->classname);
 561         fprintf(fo, "class %s", classname);
 562         free(classname);
 563         if(cls->superclass) {
 564             char*supername = multiname_to_string(cls->superclass);
 565             fprintf(fo, " extends %s", supername);
 566             free(supername);
 567             multiname_list_t*ilist = cls->interfaces;
 568             if(ilist)
 569                 fprintf(fo, " implements");
 570             while(ilist) {
 571                 char*s = multiname_to_string(ilist->multiname);
 572                 fprintf(fo, " %s", s);
 573                 free(s);
 574                 ilist = ilist->next;
 575             }
 576             ilist->next;
 577         }
 578         if(cls->flags&0xf0)
 579             fprintf(fo, "extra flags=%02x\n", cls->flags&0xf0);
 580         fprintf(fo, "%s{\n", prefix);
 581
 582         if(cls->static_constructor)
 583             dump_method(fo, prefix2,"staticconstructor", "", cls->static_constructor, file);
 584         dump_traits(fo, prefix2, cls->static_constructor_traits, file);
 585
 586         char*n = multiname_to_string(cls->classname);
 587         if(cls->constructor)
 588             dump_method(fo, prefix2, "constructor", n, cls->constructor, file);
 589         free(n);
 590         dump_traits(fo, prefix2,cls->traits, file);
 591         fprintf(fo, "%s}\n", prefix);
 592     }
 593     fprintf(fo, "%s\n", prefix);
 594
 595     for(t=0;t<file->scripts->num;t++) {
 596         abc_script_t*s = (abc_script_t*)array_getvalue(file->scripts, t);
 597         dump_method(fo, prefix,"initmethod", "init", s->method, file);
 598         dump_traits(fo, prefix, s->traits, file);
 599     }
 600     return file;
 601 }
 602
 603 void* swf_ReadABC(TAG*tag)
 604 {
 605     abc_file_t* file = abc_file_new();
 606     pool_t*pool = pool_new();
 607
 608     swf_SetTagPos(tag, 0);
 609     int t;
 610     if(tag->id == ST_DOABC) {
 611         U32 abcflags = swf_GetU32(tag);
 612         DEBUG printf("flags=%08x\n", abcflags);
 613         char*name= swf_GetString(tag);
 614         file->name = name?strdup(name):0;
 615     }
 616     U32 version = swf_GetU32(tag);
 617     if(version!=0x002e0010) {
 618         fprintf(stderr, "Warning: unknown AVM2 version %08x\n", version);
 619     }
 620
 621     pool_read(pool, tag);
 622
 623     int num_methods = swf_GetU30(tag);
 624     DEBUG printf("%d methods\n", num_methods);
 625     for(t=0;t<num_methods;t++) {
 626         NEW(abc_method_t,m);
 627         int param_count = swf_GetU30(tag);
 628         int return_type_index = swf_GetU30(tag);
 629         if(return_type_index)
 630             m->return_type = multiname_clone(pool_lookup_multiname(pool, return_type_index));
 631         else
 632             m->return_type = 0;
 633
 634         int s;
 635         for(s=0;s<param_count;s++) {
 636             int type_index = swf_GetU30(tag);
 637
 638             /* type_index might be 0, which probably means "..." (varargs) */
 639             multiname_t*param = type_index?multiname_clone(pool_lookup_multiname(pool, type_index)):0;
 640             list_append(m->parameters, param);
 641         }
 642
 643         int namenr = swf_GetU30(tag);
 644         if(namenr)
 645             m->name = strdup(pool_lookup_string(pool, namenr));
 646         else
 647             m->name = strdup("");
 648
 649         m->flags = swf_GetU8(tag);
 650
 651         DEBUG printf("method %d) %s flags=%02x\n", t, params_to_string(m->parameters), m->flags);
 652
 653         if(m->flags&0x08) {
 654             /* optional parameters */
 655             int num = swf_GetU30(tag);
 656             int s;
 657             for(s=0;s<num;s++) {
 658                 int val = swf_GetU30(tag);
 659                 U8 kind = swf_GetU8(tag); // specifies index type for "val"
 660             }
 661         }
 662         if(m->flags&0x80) {
 663             /* debug information- not used by avm2 */
 664             multiname_list_t*l = m->parameters;
 665             while(l) {
 666                 char*name = pool_lookup_string(pool, swf_GetU30(tag));
 667                 l = l->next;
 668             }
 669         }
 670         array_append(file->methods, NO_KEY, m);
 671     }
 672
 673     parse_metadata(tag, file, pool);
 674
 675     /* skip classes, and scripts for now, and do the real parsing later */
 676     int num_classes = swf_GetU30(tag);
 677     int classes_pos = tag->pos;
 678     DEBUG printf("%d classes\n", num_classes);
 679     for(t=0;t<num_classes;t++) {
 680         abc_class_t*cls = malloc(sizeof(abc_class_t));
 681         memset(cls, 0, sizeof(abc_class_t));
 682
 683         DEBUG printf("class %d\n", t);
 684         swf_GetU30(tag); //classname
 685         swf_GetU30(tag); //supername
 686
 687         array_append(file->classes, NO_KEY, cls);
 688
 689         cls->flags = swf_GetU8(tag);
 690         if(cls->flags&8)
 691             swf_GetU30(tag); //protectedNS
 692         int s;
 693         int inum = swf_GetU30(tag); //interface count
 694         cls->interfaces = 0;
 695         for(s=0;s<inum;s++) {
 696             int interface_index = swf_GetU30(tag);
 697             multiname_t* m = multiname_clone(pool_lookup_multiname(pool, interface_index));
 698             list_append(cls->interfaces, m);
 699             DEBUG printf("  class %d interface: %s\n", t, m->name);
 700         }
 701
 702         swf_GetU30(tag); //iinit
 703         traits_skip(tag);
 704     }
 705     for(t=0;t<num_classes;t++) {
 706         abc_class_t*cls = (abc_class_t*)array_getvalue(file->classes, t);
 707         int cinit = swf_GetU30(tag);
 708         cls->static_constructor = (abc_method_t*)array_getvalue(file->methods, cinit);
 709         traits_skip(tag);
 710     }
 711     int num_scripts = swf_GetU30(tag);
 712     DEBUG printf("%d scripts\n", num_scripts);
 713     for(t=0;t<num_scripts;t++) {
 714         int init = swf_GetU30(tag);
 715         traits_skip(tag);
 716     }
 717
 718     int num_method_bodies = swf_GetU30(tag);
 719     DEBUG printf("%d method bodies\n", num_method_bodies);
 720     for(t=0;t<num_method_bodies;t++) {
 721         int methodnr = swf_GetU30(tag);
 722         if(methodnr >= file->methods->num) {
 723             printf("Invalid method number: %d\n", methodnr);
 724             return 0;
 725         }
 726         abc_method_t*m = (abc_method_t*)array_getvalue(file->methods, methodnr);
 727         abc_method_body_t*c = malloc(sizeof(abc_method_body_t));
 728         memset(c, 0, sizeof(abc_method_body_t));
 729         c->max_stack = swf_GetU30(tag);
 730         c->local_count = swf_GetU30(tag);
 731         c->init_scope_depth = swf_GetU30(tag);
 732         c->max_scope_depth = swf_GetU30(tag);
 733         int code_length = swf_GetU30(tag);
 734
 735         c->method = m;
 736         m->body = c;
 737
 738         int pos = tag->pos + code_length;
 739         codelookup_t*codelookup = 0;
 740         c->code = code_parse(tag, code_length, file, pool, &codelookup);
 741         tag->pos = pos;
 742
 743         int exception_count = swf_GetU30(tag);
 744         int s;
 745         c->exceptions = list_new();
 746         for(s=0;s<exception_count;s++) {
 747             exception_t*e = malloc(sizeof(exception_t));
 748
 749             e->from = code_atposition(codelookup, swf_GetU30(tag));
 750             e->to = code_atposition(codelookup, swf_GetU30(tag));
 751             e->target = code_atposition(codelookup, swf_GetU30(tag));
 752
 753             e->exc_type = multiname_clone(pool_lookup_multiname(pool, swf_GetU30(tag)));
 754             e->var_name = multiname_clone(pool_lookup_multiname(pool, swf_GetU30(tag)));
 755             //e->var_name = pool_lookup_string(pool, swf_GetU30(tag));
 756             //if(e->var_name) e->var_name = strdup(e->var_name);
 757             list_append(c->exceptions, e);
 758         }
 759         codelookup_free(codelookup);
 760         c->traits = traits_parse(tag, pool, file);
 761
 762         DEBUG printf("method_body %d) (method %d), %d bytes of code", t, methodnr, code_length);
 763
 764         array_append(file->method_bodies, NO_KEY, c);
 765     }
 766     if(tag->len - tag->pos) {
 767         fprintf(stderr, "%d unparsed bytes remaining in ABC block\n", tag->len - tag->pos);
 768         return 0;
 769     }
 770
 771     swf_SetTagPos(tag, classes_pos);
 772     for(t=0;t<num_classes;t++) {
 773         abc_class_t*cls = (abc_class_t*)array_getvalue(file->classes, t);
 774
 775         int classname_index = swf_GetU30(tag);
 776         int superclass_index = swf_GetU30(tag);
 777         cls->classname = multiname_clone(pool_lookup_multiname(pool, classname_index));
 778         cls->superclass = multiname_clone(pool_lookup_multiname(pool, superclass_index));
 779         cls->flags = swf_GetU8(tag);
 780         const char*ns = "";
 781         if(cls->flags&8) {
 782             int ns_index = swf_GetU30(tag);
 783             cls->protectedNS = namespace_clone(pool_lookup_namespace(pool, ns_index));
 784         }
 785
 786         int num_interfaces = swf_GetU30(tag); //interface count
 787         int s;
 788         for(s=0;s<num_interfaces;s++) {
 789             swf_GetU30(tag); // multiname index TODO
 790         }
 791         int iinit = swf_GetU30(tag);
 792         cls->constructor = (abc_method_t*)array_getvalue(file->methods, iinit);
 793         cls->traits = traits_parse(tag, pool, file);
 794     }
 795     for(t=0;t<num_classes;t++) {
 796         abc_class_t*cls = (abc_class_t*)array_getvalue(file->classes, t);
 797         /* SKIP */
 798         swf_GetU30(tag); // cindex
 799         cls->static_constructor_traits = traits_parse(tag, pool, file);
 800     }
 801     int num_scripts2 = swf_GetU30(tag);
 802     for(t=0;t<num_scripts2;t++) {
 803         int init = swf_GetU30(tag);
 804         abc_method_t*m = (abc_method_t*)array_getvalue(file->methods, init);
 805
 806         abc_script_t*s = malloc(sizeof(abc_script_t));
 807         memset(s, 0, sizeof(abc_script_t));
 808         s->method = m;
 809         s->traits = traits_parse(tag, pool, file);
 810         array_append(file->scripts, NO_KEY, s);
 811         if(!s->traits) {
 812             fprintf(stderr, "Can't parse script traits\n");
 813             return 0;
 814         }
 815     }
 816
 817     pool_destroy(pool);
 818     return file;
 819 }
 820
 821 void swf_WriteABC(TAG*abctag, void*code)
 822 {
 823     abc_file_t*file = (abc_file_t*)code;
 824     pool_t*pool = pool_new();
 825
 826     TAG*tmp = swf_InsertTag(0,0);
 827     TAG*tag = tmp;
 828     int t;
 829
 830     char need_null_method=0;
 831     for(t=0;t<file->classes->num;t++) {
 832         abc_class_t*c = (abc_class_t*)array_getvalue(file->classes, t);
 833         if(!c->constructor || !c->static_constructor) {
 834             need_null_method=1;
 835             break;
 836         }
 837     }
 838
 839     abc_method_t*nullmethod = 0;
 840     if(need_null_method) {
 841         nullmethod = malloc(sizeof(abc_method_t));
 842         memset(nullmethod, 0, sizeof(abc_method_t));
 843         /*TODO: might be more efficient to have this at the beginning */
 844         array_append(file->methods, NO_KEY, nullmethod);
 845     }
 846
 847     swf_SetU30(tag, file->methods->num);
 848     /* enumerate classes, methods and method bodies */
 849     for(t=0;t<file->methods->num;t++) {
 850         abc_method_t*m = (abc_method_t*)array_getvalue(file->methods, t);
 851         m->index = t;
 852     }
 853     for(t=0;t<file->classes->num;t++) {
 854         abc_class_t*c = (abc_class_t*)array_getvalue(file->classes, t);
 855         c->index = t;
 856     }
 857     for(t=0;t<file->method_bodies->num;t++) {
 858         abc_method_body_t*m = (abc_method_body_t*)array_getvalue(file->method_bodies, t);
 859         m->index = t;
 860         exception_list_t*ee = m->exceptions;
 861         while(ee) {
 862             exception_t*e=ee->exception;ee->exception=0;
 863             e->from = e->to = e->target = 0;
 864             multiname_destroy(e->exc_type);e->exc_type=0;
 865             multiname_destroy(e->var_name);e->var_name=0;
 866             free(e);
 867             ee=ee->next;
 868         }
 869         list_free(m->exceptions);m->exceptions=0;
 870     }
 871
 872     for(t=0;t<file->methods->num;t++) {
 873         abc_method_t*m = (abc_method_t*)array_getvalue(file->methods, t);
 874         int n = 0;
 875         multiname_list_t*l = m->parameters;
 876         int num_params = list_length(m->parameters);
 877         swf_SetU30(tag, num_params);
 878         if(m->return_type)
 879             swf_SetU30(tag, pool_register_multiname(pool, m->return_type));
 880         else
 881             swf_SetU30(tag, 0);
 882         int s;
 883         while(l) {
 884             swf_SetU30(tag, pool_register_multiname(pool, l->multiname));
 885             l = l->next;
 886         }
 887         if(m->name) {
 888             swf_SetU30(tag, pool_register_string(pool, m->name));
 889         } else {
 890             swf_SetU30(tag, 0);
 891         }
 892
 893         swf_SetU8(tag, 0); //flags
 894     }
 895
 896     /* write metadata */
 897     swf_SetU30(tag, file->metadata->num);
 898     for(t=0;t<file->metadata->num;t++) {
 899         const char*entry_name = array_getkey(file->metadata, t);
 900         swf_SetU30(tag, pool_register_string(pool, entry_name));
 901         array_t*items = (array_t*)array_getvalue(file->metadata, t);
 902         swf_SetU30(tag, items->num);
 903         int s;
 904         for(s=0;s<items->num;s++) {
 905             int i1 = pool_register_string(pool, array_getkey(items, s));
 906             int i2 = pool_register_string(pool, array_getvalue(items, s));
 907             swf_SetU30(tag, i1);
 908             swf_SetU30(tag, i2);
 909         }
 910     }
 911
 912     swf_SetU30(tag, file->classes->num);
 913     for(t=0;t<file->classes->num;t++) {
 914         abc_class_t*c = (abc_class_t*)array_getvalue(file->classes, t);
 915
 916         int classname_index = pool_register_multiname(pool, c->classname);
 917         int superclass_index = pool_register_multiname(pool, c->superclass);
 918
 919         swf_SetU30(tag, classname_index);
 920         swf_SetU30(tag, superclass_index);
 921
 922         swf_SetU8(tag, c->flags); // flags
 923         if(c->flags&0x08) {
 924             int ns_index = pool_register_namespace(pool, c->protectedNS);
 925             swf_SetU30(tag, ns_index);
 926         }
 927
 928         swf_SetU30(tag, list_length(c->interfaces));
 929         multiname_list_t*interface= c->interfaces;
 930         while(interface) {
 931             swf_SetU30(tag, pool_register_multiname(pool, interface->multiname));
 932             interface = interface->next;
 933         }
 934
 935         if(!c->constructor) {
 936             swf_SetU30(tag, nullmethod->index);
 937         } else {
 938             swf_SetU30(tag, c->constructor->index);
 939         }
 940         traits_write(pool, tag, c->traits);
 941     }
 942     for(t=0;t<file->classes->num;t++) {
 943         abc_class_t*c = (abc_class_t*)array_getvalue(file->classes, t);
 944         if(!c->static_constructor) {
 945             swf_SetU30(tag, nullmethod->index);
 946         } else {
 947             swf_SetU30(tag, c->static_constructor->index);
 948         }
 949         traits_write(pool, tag, c->static_constructor_traits);
 950     }
 951
 952     swf_SetU30(tag, file->scripts->num);
 953     for(t=0;t<file->scripts->num;t++) {
 954         abc_script_t*s = (abc_script_t*)array_getvalue(file->scripts, t);
 955         swf_SetU30(tag, s->method->index); //!=t!
 956         traits_write(pool, tag, s->traits);
 957     }
 958
 959     swf_SetU30(tag, file->method_bodies->num);
 960     for(t=0;t<file->method_bodies->num;t++) {
 961         abc_method_body_t*c = (abc_method_body_t*)array_getvalue(file->method_bodies, t);
 962         abc_method_t*m = c->method;
 963         swf_SetU30(tag, m->index);
 964         swf_SetU30(tag, c->max_stack);
 965         swf_SetU30(tag, c->local_count);
 966         swf_SetU30(tag, c->init_scope_depth);
 967         swf_SetU30(tag, c->max_scope_depth);
 968
 969         code_write(tag, c->code, pool, file);
 970
 971         swf_SetU30(tag, list_length(c->exceptions));
 972         exception_list_t*l = c->exceptions;
 973         while(l) {
 974             // warning: assumes "pos" in each code_t is up-to-date
 975             swf_SetU30(tag, l->exception->from->pos);
 976             swf_SetU30(tag, l->exception->to->pos);
 977             swf_SetU30(tag, l->exception->target->pos);
 978             swf_SetU30(tag, pool_register_multiname(pool, l->exception->exc_type));
 979             swf_SetU30(tag, pool_register_multiname(pool, l->exception->var_name));
 980             l = l->next;
 981         }
 982
 983         traits_write(pool, tag, c->traits);
 984     }
 985
 986     // --- start to write real tag --
 987
 988     tag = abctag;
 989
 990     if(tag->id == ST_DOABC) {
 991         swf_SetU32(tag, 1); // flags
 992         swf_SetString(tag, file->name);
 993     }
 994
 995     swf_SetU16(tag, 0x10); //version
 996     swf_SetU16(tag, 0x2e);
 997
 998     pool_write(pool, tag);
 999
1000     swf_SetBlock(tag, tmp->data, tmp->len);
1001
1002     swf_DeleteTag(0, tmp);
1003     pool_destroy(pool);
1004 }
1005
1006 void abc_file_free(abc_file_t*file)
1007 {
1008
1009     int t;
1010     for(t=0;t<file->metadata->num;t++) {
1011         array_t*items = (array_t*)array_getvalue(file->metadata, t);
1012         int s;
1013         for(s=0;s<items->num;s++) {
1014             free(array_getvalue(items, s));
1015         }
1016         array_free(items);
1017     }
1018     array_free(file->metadata);
1019
1020     for(t=0;t<file->methods->num;t++) {
1021         abc_method_t*m = (abc_method_t*)array_getvalue(file->methods, t);
1022
1023         multiname_list_t*param = m->parameters;
1024         while(param) {
1025             multiname_destroy(param->multiname);param->multiname=0;
1026             param = param->next;
1027         }
1028         list_free(m->parameters);m->parameters=0;
1029
1030         if(m->name) {
1031             free((void*)m->name);m->name=0;
1032         }
1033         if(m->return_type) {
1034             multiname_destroy(m->return_type);
1035         }
1036         free(m);
1037     }
1038     array_free(file->methods);
1039
1040     for(t=0;t<file->classes->num;t++) {
1041         abc_class_t*cls = (abc_class_t*)array_getvalue(file->classes, t);
1042         traits_free(cls->traits);cls->traits=0;
1043         traits_free(cls->static_constructor_traits);cls->static_constructor_traits=0;
1044
1045         if(cls->classname) {
1046             multiname_destroy(cls->classname);
1047         }
1048         if(cls->superclass) {
1049             multiname_destroy(cls->superclass);
1050         }
1051
1052         multiname_list_t*i = cls->interfaces;
1053         while(i) {
1054             multiname_destroy(i->multiname);i->multiname=0;
1055             i = i->next;
1056         }
1057         list_free(cls->interfaces);cls->interfaces=0;
1058
1059         if(cls->protectedNS) {
1060             namespace_destroy(cls->protectedNS);
1061         }
1062         free(cls);
1063     }
1064     array_free(file->classes);
1065
1066     for(t=0;t<file->scripts->num;t++) {
1067         abc_script_t*s = (abc_script_t*)array_getvalue(file->scripts, t);
1068         traits_free(s->traits);s->traits=0;
1069         free(s);
1070     }
1071     array_free(file->scripts);
1072
1073     for(t=0;t<file->method_bodies->num;t++) {
1074         abc_method_body_t*body = (abc_method_body_t*)array_getvalue(file->method_bodies, t);
1075         code_free(body->code);body->code=0;
1076         traits_free(body->traits);body->traits=0;
1077         free(body);
1078     }
1079     array_free(file->method_bodies);
1080
1081     if(file->name) {
1082         free((void*)file->name);file->name=0;
1083     }
1084
1085     free(file);
1086 }
1087
1088 void swf_FreeABC(void*code)
1089 {
1090     abc_file_t*file= (abc_file_t*)code;
1091     abc_file_free(file);
1092 }
1093
1094 void swf_AddButtonLinks(SWF*swf, char stop_each_frame, char events)
1095 {
1096     int num_frames = 0;
1097     int has_buttons = 0;
1098     TAG*tag=swf->firstTag;
1099     while(tag) {
1100         if(tag->id == ST_SHOWFRAME)
1101             num_frames++;
1102         if(tag->id == ST_DEFINEBUTTON || tag->id == ST_DEFINEBUTTON2)
1103             has_buttons = 1;
1104         tag = tag->next;
1105     }
1106
1107     abc_file_t*file = abc_file_new();
1108     abc_method_body_t*c = 0;
1109
1110     abc_class_t*cls = abc_class_new2(file, "rfx::MainTimeline", "flash.display::MovieClip");
1111     abc_class_protectedNS(cls, "rfx:MainTimeline");
1112
1113     TAG*abctag = swf_InsertTagBefore(swf, swf->firstTag, ST_DOABC);
1114
1115     tag = swf_InsertTag(abctag, ST_SYMBOLCLASS);
1116     swf_SetU16(tag, 1);
1117     swf_SetU16(tag, 0);
1118     swf_SetString(tag, "rfx.MainTimeline");
1119
1120     c = abc_class_staticconstructor(cls, 0, 0);
1121     c->max_stack = 1;
1122     c->local_count = 1;
1123     c->init_scope_depth = 9;
1124     c->max_scope_depth = 10;
1125
1126     __ getlocal_0(c);
1127     __ pushscope(c);
1128     __ returnvoid(c);
1129
1130     c = abc_class_constructor(cls, 0, 0);
1131     c->max_stack = 3;
1132     c->local_count = 1;
1133     c->init_scope_depth = 10;
1134     c->max_scope_depth = 11;
1135
1136     debugfile(c, "constructor.as");
1137
1138     __ getlocal_0(c);
1139     __ pushscope(c);
1140
1141     __ getlocal_0(c);
1142     __ constructsuper(c,0);
1143
1144     __ getlex(c, "[package]flash.system::Security");
1145     __ pushstring(c, "*");
1146     __ callpropvoid(c, "[package]::allowDomain", 1);
1147
1148     if(stop_each_frame || has_buttons) {
1149         int frame = 0;
1150         tag = swf->firstTag;
1151         abc_method_body_t*f = 0; //frame script
1152         while(tag && tag->id!=ST_END) {
1153             char framename[80];
1154             char needs_framescript=0;
1155             char buttonname[80];
1156             char functionname[80];
1157             sprintf(framename, "[packageinternal]rfx::frame%d", frame);
1158
1159             if(!f && (tag->id == ST_DEFINEBUTTON || tag->id == ST_DEFINEBUTTON2 || stop_each_frame)) {
1160                 /* make the contructor add a frame script */
1161                 __ findpropstrict(c,"[package]::addFrameScript");
1162                 __ pushbyte(c,frame);
1163                 __ getlex(c,framename);
1164                 __ callpropvoid(c,"[package]::addFrameScript",2);
1165
1166                 f = abc_class_method(cls, 0, framename, 0);
1167                 f->max_stack = 3;
1168                 f->local_count = 1;
1169                 f->init_scope_depth = 10;
1170                 f->max_scope_depth = 11;
1171                 __ debugfile(f, "framescript.as");
1172                 __ debugline(f, 1);
1173                 __ getlocal_0(f);
1174                 __ pushscope(f);
1175             }
1176
1177             if(tag->id == ST_DEFINEBUTTON || tag->id == ST_DEFINEBUTTON2) {
1178                 U16 id = swf_GetDefineID(tag);
1179                 sprintf(buttonname, "::button%d", swf_GetDefineID(tag));
1180                 __ getlex(f,buttonname);
1181                 __ getlex(f,"flash.events::MouseEvent");
1182                 __ getproperty(f, "::CLICK");
1183                 sprintf(functionname, "::clickbutton%d", swf_GetDefineID(tag));
1184                 __ getlex(f,functionname);
1185                 __ callpropvoid(f, "::addEventListener" ,2);
1186
1187                 if(stop_each_frame) {
1188                     __ findpropstrict(f, "[package]::stop");
1189                     __ callpropvoid(f, "[package]::stop", 0);
1190                 }
1191                 needs_framescript = 1;
1192
1193                 abc_method_body_t*h =
1194                     abc_class_method(cls, "::void", functionname, 1, "flash.events::MouseEvent");
1195                 h->max_stack = 6;
1196                 h->local_count = 2;
1197                 h->init_scope_depth = 10;
1198                 h->max_scope_depth = 11;
1199                 __ getlocal_0(h);
1200                 __ pushscope(h);
1201
1202                 ActionTAG*oldaction = swf_ButtonGetAction(tag);
1203                 if(oldaction && oldaction->op == ACTION__GOTOFRAME) {
1204                     int framenr = GET16(oldaction->data);
1205                     if(framenr>254) {
1206                         fprintf(stderr, "Warning: Couldn't translate jump to frame %d to flash 9 actionscript\n", framenr);
1207                     }
1208                     if(!events) {
1209                         __ findpropstrict(h,"[package]::gotoAndStop");
1210                         __ pushbyte(h,framenr+1);
1211                         __ callpropvoid(h,"[package]::gotoAndStop", 1);
1212                     } else {
1213                         char framename[80];
1214                         sprintf(framename, "frame%d", framenr);
1215                         __ getlocal_0(h); //this
1216                         __ findpropstrict(h, "[package]flash.events::TextEvent");
1217                         __ pushstring(h, "link");
1218                         __ pushtrue(h);
1219                         __ pushtrue(h);
1220                         __ pushstring(h, framename);
1221                         __ constructprop(h,"[package]flash.events::TextEvent", 4);
1222                         __ callpropvoid(h,"[package]::dispatchEvent", 1);
1223                     }
1224                 } else if(oldaction && oldaction->op == ACTION__GETURL) {
1225                     if(!events) {
1226                         __ findpropstrict(h,"flash.net::navigateToURL");
1227                         __ findpropstrict(h,"flash.net::URLRequest");
1228                         // TODO: target _blank
1229                         __ pushstring(h,oldaction->data); //url
1230                         __ constructprop(h,"flash.net::URLRequest", 1);
1231                         __ callpropvoid(h,"flash.net::navigateToURL", 1);
1232                     } else {
1233                         __ getlocal_0(h); //this
1234                         __ findpropstrict(h, "[package]flash.events::TextEvent");
1235                         __ pushstring(h, "link");
1236                         __ pushtrue(h);
1237                         __ pushtrue(h);
1238                         __ pushstring(h,oldaction->data); //url
1239                         __ constructprop(h,"[package]flash.events::TextEvent", 4);
1240                         __ callpropvoid(h,"[package]::dispatchEvent", 1);
1241                     }
1242                 } else if(oldaction) {
1243                     fprintf(stderr, "Warning: Couldn't translate button code of button %d to flash 9 abc action\n", id);
1244                 }
1245                 __ returnvoid(h);
1246                 swf_ActionFree(oldaction);
1247             }
1248             if(tag->id == ST_SHOWFRAME) {
1249                 if(f) {
1250                     __ returnvoid(f);
1251                     f = 0;
1252                 }
1253                 frame++;
1254             }
1255             tag = tag->next;
1256         }
1257         if(f) {
1258             __ returnvoid(f);
1259         }
1260     }
1261     __ returnvoid(c);
1262
1263     tag = swf->firstTag;
1264     while(tag) {
1265         if(tag->id == ST_DEFINEBUTTON || tag->id == ST_DEFINEBUTTON2) {
1266             char buttonname[80];
1267             sprintf(buttonname, "::button%d", swf_GetDefineID(tag));
1268             abc_AddSlot(cls, buttonname, 0, "flash.display::SimpleButton");
1269         }
1270         tag = tag->next;
1271     }
1272
1273
1274     abc_script_t*s = abc_initscript(file, 0, 0);
1275     c = s->method->body;
1276     c->max_stack = 2;
1277     c->local_count = 1;
1278     c->init_scope_depth = 1;
1279     c->max_scope_depth = 9;
1280
1281     __ getlocal_0(c);
1282     __ pushscope(c);
1283     __ getscopeobject(c, 0);
1284     __ getlex(c,"::Object");
1285     __ pushscope(c);
1286     __ getlex(c,"flash.events::EventDispatcher");
1287     __ pushscope(c);
1288     __ getlex(c,"flash.display::DisplayObject");
1289     __ pushscope(c);
1290     __ getlex(c,"flash.display::InteractiveObject");
1291     __ pushscope(c);
1292     __ getlex(c,"flash.display::DisplayObjectContainer");
1293     __ pushscope(c);
1294     __ getlex(c,"flash.display::Sprite");
1295     __ pushscope(c);
1296     __ getlex(c,"flash.display::MovieClip");
1297     __ pushscope(c);
1298     __ getlex(c,"flash.display::MovieClip");
1299     __ newclass(c,cls);
1300     __ popscope(c);
1301     __ popscope(c);
1302     __ popscope(c);
1303     __ popscope(c);
1304     __ popscope(c);
1305     __ popscope(c);
1306     __ popscope(c);
1307     __ initproperty(c,"rfx::MainTimeline");
1308     __ returnvoid(c);
1309
1310     //abc_method_body_addClassTrait(c, "rfx:MainTimeline", 1, cls);
1311     abc_initscript_addClassTrait(s, "rfx::MainTimeline", 1, cls);
1312
1313     swf_WriteABC(abctag, file);
1314 }
1315