3 Routines for handling Flash2 AVM2 ABC Actionscript
5 Extension module for the rfxswf library.
6 Part of the swftools package.
8 Copyright (c) 2007 Alessandro Molina
9 Copyright (c) 2007,2008 Matthias Kramm <kramm@quiss.org>
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
26 #include "../rfxswf.h"
28 static unsigned AVM2_uint32toU30(unsigned val, char * out)
33 out[len++] = (val&~0x7f?0x80:0) | (val & 0x7F);
40 void AVM2_InsertStops(SWF*swf)
45 unsigned frame_nums = 0;
47 /* Count number of pages to set up stop callback for every frame */
50 if (t->id == ST_SHOWFRAME) ++frame_nums;
54 TAG * classCall = swf_InsertTagBefore(swf, swf->firstTag, ST_SYMBOLCLASS);
55 swf_SetU16(classCall, 1); // number of symbols
56 swf_SetU16(classCall, 0); // object id
57 swf_SetString(classCall, "stop_fla:MainTimeline"); // class to associate with the symbol
59 //0x52 is the Flash9 equivalent to DoAction
60 char init_pool[322] = {
61 0x01,0x00,0x00,0x00, /* Flag Parameter to ST_DOABC (1 = lazy load)*/
62 0x00, /* 0 terminated class name */
63 0x10,0x00,0x2e,0x00, /* ABC file magic number (minor version, major version) */
64 0x00, /* zero integers */
65 0x00, /* zero unsigned integers */
66 0x00, /* zero doubles */
68 0x11, /* 16 strings (+1) */
69 0x08, 's','t','o','p','_','f','l','a',
70 0x0c, 'M','a','i','n','T','i','m','e','l','i','n','e',
71 0x0d, 'f','l','a','s','h','.','d','i','s','p','l','a','y',
72 0x09, 'M','o','v','i','e','C','l','i','p',
73 0x15, 's','t','o','p','_','f','l','a',':','M','a','i','n','T','i','m','e','l','i','n','e',
74 0x06, 'd','o','s','t','o','p',
75 0x00, // Empty string: ref. to the global namespace
76 0x04, 's','t','o','p',
77 0x0e, 'a','d','d','F','r','a','m','e','S','c','r','i','p','t',
78 0x06, 'O','b','j','e','c','t',
79 0x0c, 'f','l','a','s','h','.','e','v','e','n','t','s',
80 0x0f, 'E','v','e','n','t','D','i','s','p','a','t','c','h','e','r',
81 0x0d, 'D','i','s','p','l','a','y','O','b','j','e','c','t',
82 0x11, 'I','n','t','e','r','a','c','t','i','v','e','O','b','j','e','c','t',
83 0x16, 'D','i','s','p','l','a','y','O','b','j','e','c','t','C','o','n','t','a','i','n','e','r',
84 0x06, 'S','p','r','i','t','e',
86 0x07, /* 6 namespaces (+1) */
87 0x16,0x01, /* kind: CONSTANT_PackageNamespace, ref. to: stop_fla */
88 0x16,0x03, /* kind: CONSTANT_PackageNamespace, ref. to: flash.display */
89 0x18,0x05, /* kind: CONSTANT_ProtectedNamespace, ref. to: stop_fla:MainTimeline */
90 0x17,0x01, /* kind: CONSTANT_PackageInternalNs, ref. to: MainTimeline */
91 0x16,0x07, /* kind: CONSTANT_PackageNamespace, ref. to the global namespace */
92 0x16,0x0b, /* kind: CONSTANT_PackageNamespace, ref. to: flash.events */
94 0x00, /* zero namespace sets */
96 0x0c, /* 11 MultiNames (+1) */
97 /* 1st value: Multiname kind (0x07 = Qualified Name, a multiname with 1 namespace, refers to a method)
98 2nd value: refers to namespace name index in the namespace table
99 3rd value: refers to method name index in the string table */
100 0x07,0x01,0x02, /* stop_fla:MainTimeLine */
101 0x07,0x02,0x04, /* flash.display:MovieClip */
102 0x07,0x04,0x06, /* <4th namespace>:dostop */
103 0x07,0x05,0x08, /* <global>:stop */
104 0x07,0x05,0x09, /* <global>:addFrameScript */
105 0x07,0x05,0x0a, /* <global>:Object */
106 0x07,0x06,0x0c, /* flash.events:EventDispatcher */
107 0x07,0x02,0x0d, /* flash.display:DisplayObject */
108 0x07,0x02,0x0e, /* flash.display:InteractiveObject */
109 0x07,0x02,0x0f, /* flash.display:DisplayObjectContainer */
110 0x07,0x02,0x10, /* flash.display:Sprite */
112 0x04, /* 4 Methods */
114 0x00,0x00,0x00,0x00, /* No params (nor params types), no return type, no method name, flags */
115 0x00,0x00,0x00,0x00, /* No params (nor params types), no return type, no method name, flags */
116 0x00,0x00,0x00,0x00, /* No params (nor params types), no return type, no method name, flags */
117 0x00,0x00,0x00,0x00, /* No params (nor params types), no return type, no method name, flags */
119 0x00, /* Zero Metadata */
122 0x01, /* Name: ref. to multiname no. 1 (MainTimeline) */
123 0x02, /* Super_name (base class): ref. to multiname no. 2 (flash.display) */
124 0x08, /* Flags: 0x08 value indicates that it uses its protected namespace (and make next field exists) */
125 0x03, /* Ref. to namespace no. 3 (MainTimeline, protected namespace for this class) */
126 0x00, /* No. of interfaces: there are no interfaces (nor interface definition) */
127 0x02, /* Initializer index: ref. to method no. 2 */
128 0x01, /* No. of traits */
130 0x03, /* Name: ref. to multiname no. 3 (stop) */
131 0x01, /* 0000: no attributes (nor metadata in the next subsection);
132 then 1: type is Trait_Method */
133 /* Trait_method section */
134 0x00, /* NO optimization for virtual calls */
135 0x01, /* Ref. to method no. 1 */
136 /* HERE FOLLOW THE CLASS DATA */
137 0x00, /* Ref. to method no. 0 as static initializer for this class */
138 0x00, /* No. of traits for this class (no ones) */
141 0x03, /* Ref. to method no. 3, invoked prior to any other code in the script */
142 0x01, /* No. of traits */
144 0x01, /* Name: ref. to multiname no. 1 (flash.display:MovieClip) */
145 0x04, /* 0000: no attributes (nor metadata in the next subsection);
146 then 4: type is Trait_Class*/
147 /* Trait_class section */
148 0x01, /* Slot ID where the trait resides */
149 0x00, /* Class index (there is only one class)*/
151 0x04, /* Method body count: there are 4 method bodies */
152 /* HERE FOLLOW THE METHOD BODY DATA */
153 0x00, /* Method index, ref. to method no. 0 */
154 0x01, /* Max stack slots the method can use */
155 0x01, /* No. of registers +1 the method can use: this one cannot use registers */
156 0x09,0x0a, /* Min and max scope depth the method can access*/
157 0x03, /* Code length (in bytes) */
158 /* The actual method code:
159 this is the function stop_fla::MainTimeline$cinit()*/
161 0x00, /* No. of exceptions (no exceptions) */
162 0x00, /* No. of traits (no traits) */
164 0x01, /* Method index, ref. to method no. 1 */
165 0x01, /* Max stack slots the method can use */
166 0x01, /* No. of registers +1 the method can use: this one cannot use registers */
167 0x0a,0x0b, /* Min and max scope depth the method can access*/
168 0x08, /* Code length (in bytes) */
169 /* The actual method code:
170 this is the function stop_fla::dostop(),
171 the one that actually executes the stop() */
172 0xd0,0x30,0x5d,0x04,0x4f,0x04,0x00,0x47,
173 0x00, /* No. of exceptions (no exceptions) */
174 0x00, /* No. of traits (no traits) */
177 /* Header of stop_fla::MainTimeline() method */
178 char constructor_header[5] = {
179 0x02, /* Method index, ref. to method no. 2 */
180 0x03, /* Max stack slots the method can use */
181 0x01, /* No. of registers +1 the method can use: this one cannot use registers */
182 0x0a,0x0b /* Min and max scope depth the method can access*/
185 char constructor_first[5] = {
186 /* The actual method code:
187 This is the function stop_fla::MainTimeline()
188 Does: calls the super constructor for class #0 (MainTimeline),
189 then puts on the stack the object, namespace and name of the arguments
190 needed by the addFrameScripts, then calls the addFrameScripts
192 0xd0, /* getlocal0 */
193 0x30, /* pushscope */
194 0xd0, /* getlocal0 */
195 0x49, /* constructsuper */
199 char constructor_frame_register[10] = {
200 0x5d, /* findpropstrict */
201 0x05, /* 'addFrameScript' */
202 0x25, /* pushshort */
203 0x00, /* frame number for pushshort */
204 0x02, /* NOP (hack to write u30 value of frame number when > 127) */
206 0x03, /* 'stop_fla::dostop' */
207 0x4f, /* callpropvoid */
208 0x05, /* 'addFrameScript' */
212 char constructor_return[3] = {
213 0x47, /* returnvoid */
214 0x00, /* No. of exceptions (no exceptions) */
215 0x00, /* No. of traits (no traits) */
218 char script_init_pool[47] = {
219 0x03, /* Method index, ref. to method no. 3 */
220 0x02, /* Max stack slots the method can use */
221 0x01, /* No. of registers +1 the method can use: this one cannot use registers */
222 0x01,0x09, /* Min and max scope depth the method can access*/
223 0x27, /* Code length (in bytes) */
224 /* The actual method code:
225 this is the function script0$init() */
226 0xd0,0x30,0x65,0x00,0x60,0x06,0x30,0x60,0x07,0x30,0x60,0x08,0x30,0x60,0x09,0x30,0x60,0x0a,0x30,0x60,
227 0x0b,0x30,0x60,0x02,0x30,0x60,0x02,0x58,0x00,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x68,0x01,0x47,
228 0x00, /* No. of exceptions (no exceptions) */
229 0x00 /* No. of traits (no traits) */
231 /* END OF THE ABCFILE (Actionscript Byte Code) */
233 char code_len[5] = {0, };
234 unsigned clen_len = AVM2_uint32toU30((6 + sizeof(constructor_frame_register) * frame_nums), code_len);
235 unsigned i, offset = 0;
237 TAG *classInit = swf_InsertTagBefore(swf, swf->firstTag, ST_DOABC);
239 /* Copy the environment Initialization code */
240 swf_SetBlock(classInit, (U8*)init_pool,sizeof(init_pool));
241 /* Copy Constructor Method header */
242 swf_SetBlock(classInit, (U8*)constructor_header, sizeof(constructor_header));
243 /* Add Code block size (u30) to the method header */
244 swf_SetBlock(classInit, (U8*)code_len, clen_len);
246 /* Copy Constructor Method body first part */
247 swf_SetBlock(classInit, (U8*)constructor_first, sizeof(constructor_first));
249 /* Register the callback for every frame */
250 for (i = 0; i < frame_nums; ++i) {
251 AVM2_uint32toU30(i,constructor_frame_register + 3); // Write current frame number
252 swf_SetBlock(classInit, (U8*)constructor_frame_register, sizeof(constructor_frame_register));
255 /* Copy Constructor method body ending, just a return */
256 swf_SetBlock(classInit, (U8*)constructor_return, sizeof(constructor_return));
258 /* Copy the script init code */
259 swf_SetBlock(classInit, (U8*)script_init_pool, sizeof(script_init_pool));
262 void AVM2_InsertButtonLink(SWF*swf)
264 unsigned char displayEventCode[] = {
265 // button.dispatchEvent(new Event("pdflinkdown"),true,true)
267 0x01, 0x00, 0x00, 0x00, //flags
269 0x10, 0x00, 0x2e, 0x00, //version
274 0x17, 'e','v','e','n','t','_','o','h','n','e','_','l','i','s','t','e','n','e','r','_','f','l','a',
275 0x0c, 'M','a','i','n','t','i','m','e','l','i','n','e',
276 0x0d, 'f','l','a','s','h','.','d','i','s','p','l','a','y',
277 0x09, 'M','o','v','i','e','c','l','i','p',
278 0x24, 'e','v','e','n','t','_','o','h','n','e','_','l','i','s','t','e','n','e','r','_','f','l','a',':','M','a','i','n','t','i','m','e','l','i','n','e',
280 0x06, 'b','u','t','t','o','n',
281 0x06, 'f','r','a','m','e','1',
282 0x0c, 'f','l','a','s','h','.','e','v','e','n','t','s',
283 0x05, 'E','v','e','n','t',
284 0x0b, 'p','d','f','l','i','n','k','d','o','w','n',
285 0x0d, 'd','i','s','p','a','t','c','h','E','v','e','n','t',
286 0x0e, 'a','d','d','F','r','a','m','e','S','c','r','i','p','t',
287 0x06, 'O','b','j','e','c','t',
288 0x0f, 'E','v','e','n','t','d','i','s','p','a','t','c','h','e','r',
289 0x0d, 'D','i','s','p','l','a','y','O','b','j','e','c','t',
290 0x11, 'I','n','t','e','r','a','c','t','i','v','e','O','b','j','e','c','t',
291 0x16, 'D','i','s','p','l','a','y','O','b','j','e','c','t','C','o','n','t','a','i','n','e','r',
292 0x06, 'S','p','r','i','t','e',
294 0x07, // 6 namespaces
302 0x00, //zero namespace sets
304 0x0e, //13 multinames
320 0x00, 0x00, 0x00, 0x00,
321 0x00, 0x00, 0x00, 0x00,
322 0x00, 0x00, 0x00, 0x00,
323 0x00, 0x00, 0x00, 0x00,
325 0x00, // zero metadata
328 0x01, 0x02, 0x08, 0x03, 0x00, 0x02,
330 0x03, 0x00, // name, slot
332 0x04, 0x01, // name, method,
334 0x00, // ref to method 0 (initializer)
338 0x03, 0x01, 0x01, 0x04, 0x01, 0x00,
340 0x04, // 4 method bodies
342 0x00, 0x01, 0x01, 0x09, 0x0a,
343 0x03, 0xd0, 0x30, 0x47, // code
346 0x01, 0x05, 0x01, 0x0a, 0x0b,
347 0x11, 0xd0, 0x30, 0x60, 0x03, 0x5d, 0x05, 0x2c, 0x0b, 0x26, 0x26, 0x4a, 0x05, 0x03, 0x4f, 0x06, 0x01, 0x47, // code
350 0x02, 0x03, 0x01, 0x0a, 0x0b,
351 0x0f, 0xd0, 0x30, 0xd0, 0x49, 0x00, 0x5d, 0x07, 0x24, 0x00, 0x60, 0x04, 0x4f, 0x07, 0x02, 0x47, // code
354 0x03, 0x02, 0x01, 0x01, 0x09,
355 0x27, 0xd0, 0x30, 0x65, 0x00, 0x60, 0x08, 0x30, 0x60, 0x09, 0x30, 0x60, 0x0a, 0x30, 0x60, 0x0b, //code
356 0x30, 0x60, 0x0c, 0x30, 0x60, 0x0d, 0x30, 0x60, 0x02, 0x30, 0x60, 0x02, 0x58, 0x00, 0x1d, 0x1d,
357 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x68, 0x01, 0x47,
362 int swf_GetU30(TAG*tag)
367 U8 b = swf_GetU8(tag);
376 typedef struct _abc_method {
377 /* from method signature: */
380 int return_type_index;//index into multiname
382 int params[16]; // indexes into multiname
386 int method_body_index;
389 typedef struct _abc_multiname {
394 typedef struct _dict_entry {
399 typedef struct _dict {
407 dict_t*d = malloc(sizeof(dict_t));
408 memset(d, 0, sizeof(dict_t));
411 const char*dict_getstr(dict_t*dict, int nr) {
412 if(nr > dict->num || nr<0) {
413 printf("error: reference to string %d in dict\n");
416 return dict->d[nr].name;
418 char*dict_getdata(dict_t*dict, int nr) {
419 if(nr > dict->num || nr<0) {
420 printf("error: reference to string %d in dict\n");
423 return dict->d[nr].data;
425 int dict_append(dict_t*dict, const char*name, void*data) {
426 while(dict->size <= dict->num) {
429 dict->d = malloc(sizeof(dict_entry_t)*dict->size);
431 dict->d = realloc(dict->d, sizeof(dict_entry_t)*dict->size);
435 dict->d[dict->num].name = strdup(name);
437 dict->d[dict->num].name = 0;
439 dict->d[dict->num].data = data;
442 int dict_find(dict_t*dict, const char*name)
447 for(t=0;t<dict->num;t++) {
448 if(dict->d[t].name && !strcmp(dict->d[t].name,name))
453 int dict_update(dict_t*dict, char*name, void*data) {
454 int pos = dict_find(dict, name);
456 dict->d[pos].data = data;
459 return dict_append(dict, name, data);
461 int dict_append_if_new(dict_t*dict, char*name, void*data) {
462 int pos = dict_find(dict, name);
465 return dict_append(dict, name, data);
468 typedef struct _abc_file_t {
485 dict_t*method_bodies;
488 typedef struct _abc_trait {
497 typedef struct _abc_class {
502 int superclass_index;
509 typedef struct _abc_code {
517 int init_scope_depth;
523 typedef struct _opcode
525 unsigned char opcode;
540 int abc_RegisterNameSpace(abc_file_t*file, char*name);
541 int abc_RegisterPackageNameSpace(abc_file_t*file, char*name);
542 int abc_RegisterPackageInternalNameSpace(abc_file_t*file, char*name);
543 int abc_RegisterProtectedNameSpace(abc_file_t*file, char*name);
544 int abc_RegisterExplicitNameSpace(abc_file_t*file, char*name);
545 int abc_RegisterStaticProtectedNameSpace(abc_file_t*file, char*name);
546 int abc_RegisterPrivateNameSpace(abc_file_t*file, char*name);
552 {0x86, "atype", "2"},
553 {0x87, "astypelate", ""},
554 {0xA8, "bitand", ""},
555 {0x97, "bitnot", ""},
557 {0xaa, "bitxor", ""},
559 {0x43, "callmethod", "mn"},
560 {0x4c, "callproplex", "2n"},
561 {0x4f, "callpropvoid", "2n"},
562 {0x44, "callstatic", "in"},
563 {0x45, "callsuper", "2n"},
564 {0x4e, "callsupervoid", "2n"},
565 {0x78, "checkfilter", ""},
566 {0x80, "coerce", "m"},
567 {0x82, "coerce_a", ""},
568 {0x85, "coerce_s", ""},
569 {0x42, "construct", "n"},
570 {0x4a, "constructprop", "2n"},
571 {0x49, "constructsuper", "n"},
572 {0x76, "convert_b", ""},
573 {0x73, "convert_i", ""},
574 {0x75, "convert_d", ""},
575 {0x77, "convert_o", ""},
576 {0x74, "convert_u", ""},
577 {0x70, "convert_s", ""},
578 {0xd0, "getlocal_0", ""},
579 {0xd1, "getlocal_1", ""},
580 {0xd2, "getlocal_2", ""},
581 {0xd3, "getlocal_3", ""},
582 {0x30, "pushscope", ""},
583 {0x47, "returnvoid", ""},
584 {0x5d, "findpropstrict", "2"},
585 {0x60, "getlex", "2"},
586 {0x65, "getscopeobject", "u"},
587 {0x2c, "pushstring", "s"},
588 {0x66, "getproperty", "2"},
589 {0x24, "pushbyte", "b"},
590 {0x58, "newclass", "c"},
591 {0x1d, "popscope", ""},
592 {0x68, "initproperty", "2"},
593 {0x26, "pushtrue", ""},
594 {0x25, "pushshort", "u"},
598 static int parse_code(TAG*tag, int len, abc_file_t*pool, char*prefix)
600 int end=tag->pos+len;
601 while(tag->pos<end) {
602 U8 opcode = swf_GetU8(tag);
605 for(t=0;t<sizeof(opcodes)/sizeof(opcodes[0]);t++) {
606 if(opcodes[t].opcode == opcode) {
607 printf("%s%s ", prefix, opcodes[t].name);
608 char*p = opcodes[t].params;
614 int n = swf_GetU30(tag);
615 printf("%d params", n);
616 } else if(*p == '2') {
617 const char* m = dict_getstr(pool->multinames, swf_GetU30(tag));
619 } else if(*p == 'm') {
620 int n = swf_GetU30(tag);
621 printf("[method%d]", n);
622 } else if(*p == 'c') {
623 int n = swf_GetU30(tag);
624 printf("[classinfo%d]", n);
625 } else if(*p == 'i') {
626 int n = swf_GetU30(tag);
627 printf("[methodbody%d]", n);
628 } else if(*p == 'u') {
629 int n = swf_GetU30(tag);
631 } else if(*p == 'b') {
632 int b = swf_GetU8(tag);
634 } else if(*p == 's') {
635 const char*s = dict_getstr(pool->strings, swf_GetU30(tag));
646 printf("Can't parse opcode %02x\n", opcode);
652 printf("Read beyond end of ABC Bytecode\n");
658 static void dump_method(const char*prefix, const char*type, const char*name, int nr, abc_file_t*pool)
660 if(nr >= pool->methods->num) {
661 printf("Invalid method number: %d\n", nr);
664 abc_method_t*m = (abc_method_t*)dict_getdata(pool->methods, nr);
665 printf("%s%s %s %s%s\n", prefix, type, dict_getstr(pool->multinames,m->return_type_index), name, m->paramstr);
667 abc_code_t*c = (abc_code_t*)dict_getdata(pool->method_bodies, m->method_body_index);
669 printf("%s[%d %d %d %d %d]\n", prefix, c->max_stack, c->local_count, c->init_scope_depth, c->max_scope_depth, c->exception_count);
671 swf_SetTagPos(c->tag, 0);
673 sprintf(prefix2, "%s ", prefix);
674 printf("%s{\n", prefix);
675 parse_code(c->tag, c->tag->len, pool,prefix2);
676 printf("%s}\n", prefix);
683 #define TRAIT_METHOD 1
684 #define TRAIT_GETTER 2
685 #define TRAIT_SETTER 3
686 #define TRAIT_CLASS 4
687 #define TRAIT_FUNCTION 5
688 static dict_t* parse_traits(char*prefix, TAG*tag, abc_file_t*pool, char print)
690 int num_traits = swf_GetU30(tag);
691 dict_t*traits = dict_new();
693 for(t=0;t<num_traits;t++) {
694 abc_trait_t*trait = malloc(sizeof(abc_trait_t));
695 memset(trait, 0, sizeof(abc_trait_t));
696 dict_append(traits, 0, trait);
697 int name_index = swf_GetU30(tag);
698 const char*name = dict_getstr(pool->multinames, name_index);
699 U8 kind = swf_GetU8(tag);
700 DEBUG printf("trait %d) %s type=%02x\n", t, name, kind);
701 if(kind == 1 || kind == 2 || kind == 3) { // method / getter / setter
702 int disp_id = swf_GetU30(tag);
703 int nr = swf_GetU30(tag);
704 DEBUG printf("%smethod %d %d %s\n", prefix, nr, disp_id, ((abc_method_t*)dict_getdata(pool->methods, nr))->paramstr);
705 if(print) dump_method(prefix, kind==1?"method":(kind==2?"getter":"setter"), name, nr, pool);
706 } else if(kind == 5) { // function
707 int slot_id = swf_GetU30(tag);
708 int nr = swf_GetU30(tag);
709 if(print) dump_method(prefix, "function", name, nr, pool);
710 } else if(kind == 4) { // class
711 int slot_id = swf_GetU30(tag);
712 int cls = swf_GetU30(tag);
713 if(print) printf("%sclass %s %d %d\n", prefix, name, slot_id, cls);
714 } else if(kind == 0) { // slot
715 int slot_id = swf_GetU30(tag);
716 const char*type_name = dict_getstr(pool->multinames, swf_GetU30(tag));
717 int vindex = swf_GetU30(tag);
719 U8 vkind = swf_GetU8(tag);
721 if(print) printf("%sslot %s %d %s (vindex=%d)\n", prefix, name, slot_id, type_name, vindex);
723 printf(" can't parse trait type %d\n", kind);
730 void swf_CopyData(TAG*to, TAG*from, int len)
732 unsigned char*data = malloc(len);
733 swf_GetBlock(from, data, len);
734 swf_SetBlock(to, data, len);
738 abc_file_t*abc_file_new()
740 abc_file_t*f = malloc(sizeof(abc_file_t));
741 memset(f, 0, sizeof(abc_file_t));
743 f->ints = dict_new();
744 f->ints = dict_new();
745 f->uints = dict_new();
746 f->floats = dict_new();
747 f->strings = dict_new();
748 dict_append(f->strings, "--<UNDEFINED>--", 0);
749 f->namespaces = dict_new();
750 dict_append(f->namespaces, "--<UNDEFINED>--", 0);
751 f->sets = dict_new();
752 dict_append(f->sets, "--<UNDEFINED>--", 0);
753 f->multinames = dict_new();
754 dict_append(f->multinames, "--<UNDEFINED>--", 0);
758 f->methods = dict_new();
759 f->classes = dict_new();
760 f->scripts = dict_new();
761 f->method_bodies = dict_new();
766 static char* access2str(int type)
768 if(type==0x08) return "";
769 else if(type==0x16) return "package";
770 else if(type==0x17) return "packageinternal";
771 else if(type==0x18) return "protected";
772 else if(type==0x19) return "explicit";
773 else if(type==0x1A) return "staticprotected";
774 else if(type==0x05) return "private";
775 else return "undefined";
778 void swf_DissassembleABC(TAG*tag)
780 abc_file_t* pool = abc_file_new();
782 swf_SetTagPos(tag, 0);
783 U32 flags = swf_GetU32(tag);
784 DEBUG printf("flags=%08x\n", flags);
785 char*classname = swf_GetString(tag);
786 U32 version = swf_GetU32(tag);
788 pool->ints->num = swf_GetU30(tag)-1;
789 if(pool->ints->num>0) {
790 printf("can't parse ints yet\n");
793 pool->uints->num = swf_GetU30(tag)-1;
794 if(pool->uints->num>0) {
795 printf("can't parse uints yet\n");
798 pool->floats->num = swf_GetU30(tag)-1;
799 if(pool->floats->num>0) {
800 printf("can't parse floats yet\n");
803 int num_strings = swf_GetU30(tag);
805 DEBUG printf("%d strings\n", num_strings);
806 for(t=1;t<num_strings;t++) {
807 int len = swf_GetU30(tag);
808 char*s = malloc(len+1);
809 swf_GetBlock(tag, s, len);
811 dict_append(pool->strings, s, 0);
812 DEBUG printf("%d) \"%s\"\n", t, pool->strings->d[t].name);
814 int num_namespaces = swf_GetU30(tag);
815 DEBUG printf("%d namespaces\n", num_namespaces);
816 for(t=1;t<num_namespaces;t++) {
817 U8 type = swf_GetU8(tag);
818 int namenr = swf_GetU30(tag);
819 const char*name = dict_getstr(pool->strings, namenr);
820 dict_append(pool->namespaces, name, (void*)(int)type);
824 if(type==0x08) printf("Namespace %s\n", name);
825 else if(type==0x16) printf("PackageNamespace %s\n", name);
826 else if(type==0x17) printf("PackageInternalNs %s\n", name);
827 else if(type==0x18) printf("ProtectedNamespace %s\n", name);
828 else if(type==0x19) printf("ExplicitNamespace %s\n", name);
829 else if(type==0x1A) printf("StaticProtectedNs %s\n", name);
830 else if(type==0x05) printf("PrivateNs %s\n", name);
832 printf("Undefined namespace type\n");
837 int num_sets = swf_GetU30(tag);
839 printf("can't parse namespace sets yet\n");
842 int num_multinames = swf_GetU30(tag);
843 for(t=1;t<num_multinames;t++) {
844 U8 type = swf_GetU8(tag);
846 if(type==0x07 || type==0x0d) {
847 int nr1 = swf_GetU30(tag);
848 const char*namespace = dict_getstr(pool->namespaces, nr1);
849 U8 access = (U8)(int)dict_getdata(pool->namespaces, nr1);
850 const char*methodname = dict_getstr(pool->strings, swf_GetU30(tag));
851 DEBUG printf("multiname %d) <%s> %s:%s\n", t, access2str(access), namespace, methodname);
852 mname = malloc(strlen(namespace)+strlen(methodname)+300);
853 sprintf(mname, "[%s]\0", access2str(access));
854 strcat(mname, namespace);
856 strcat(mname, methodname);
857 } else if(type==0x0f || type==0x10) {
858 const char*methodname = dict_getstr(pool->strings, swf_GetU30(tag));
859 mname = strdup(methodname);
860 } else if(type==0x11 || type==0x12) {
862 } else if(type==0x09 || type==0x0e || type==0x1b || type==0x1c) {
863 printf("no support for namespace sets yet\n", type);
866 printf("can't parse type %d multinames yet\n", type);
869 dict_append(pool->multinames, mname, 0);
873 int num_methods = swf_GetU30(tag);
874 for(t=0;t<num_methods;t++) {
875 abc_method_t*m = malloc(sizeof(abc_method_t));
876 memset(m, 0, sizeof(*m));
877 m->param_count = swf_GetU30(tag);
878 m->return_type_index = swf_GetU30(tag);
884 for(s=0;s<m->param_count;s++) {
886 strcat(params, ", ");
887 int typenr = swf_GetU30(tag);
888 if(s < sizeof(m->params)/sizeof(m->params[0]))
889 m->params[s] = typenr;
890 const char*type = dict_getstr(pool->multinames, typenr);
891 strcat(params, type);
894 int namenr = swf_GetU30(tag);
897 m->name = dict_getstr(pool->strings, namenr);
898 m->paramstr=strdup(params);
899 DEBUG printf("method %d) %s\n", t, m->paramstr);
901 m->flags = swf_GetU8(tag);
903 printf("can't parse optional or params names yet\n");
906 dict_append(pool->methods, m->name, m);
908 int num_metadata = swf_GetU30(tag);
909 for(t=0;t<num_metadata;t++) {
910 printf("can't parse metadata yet\n");
914 /* skip classes, and scripts for now, and do the real parsing later */
915 int num_classes = swf_GetU30(tag);
916 int classes_pos = tag->pos;
917 DEBUG printf("%d classes\n", num_classes);
918 for(t=0;t<num_classes;t++) {
921 U8 flags = swf_GetU8(tag);
926 if(!parse_traits("", tag, pool, 0))
929 for(t=0;t<num_classes;t++) {
931 if(!parse_traits("", tag, pool, 0))
934 int num_scripts = swf_GetU30(tag);
935 DEBUG printf("%d scripts\n", num_scripts);
936 for(t=0;t<num_scripts;t++) {
937 int init = swf_GetU30(tag);
938 if(!parse_traits("", tag, pool, 0))
942 int num_method_bodies = swf_GetU30(tag);
943 DEBUG printf("%d method bodies\n", num_method_bodies);
944 for(t=0;t<num_method_bodies;t++) {
945 int methodnr = swf_GetU30(tag);
946 if(methodnr >= pool->methods->num) {
947 printf("Invalid method number: %d\n", methodnr);
950 abc_method_t*m = (abc_method_t*)dict_getdata(pool->methods, methodnr);
951 abc_code_t*c = malloc(sizeof(abc_code_t));
952 memset(c, 0, sizeof(abc_code_t));
953 c->max_stack = swf_GetU30(tag);
954 c->local_count = swf_GetU30(tag);
955 c->init_scope_depth = swf_GetU30(tag);
956 c->max_scope_depth = swf_GetU30(tag);
957 int code_length = swf_GetU30(tag);
959 m->method_body_index = t;
961 c->tag = swf_InsertTag(0,0);
963 swf_CopyData(c->tag, tag, code_length);
965 int exception_count = swf_GetU30(tag);
966 c->traits = parse_traits("<method body trait>", tag, pool, 1);
970 DEBUG printf("method_body %d) (method %d), %d bytes of code", t, methodnr, code_length);
971 int r,l = code_length>32?32:code_length;
973 DEBUG printf("%02x ", c->tag->data[r]);
977 dict_append(pool->method_bodies, 0, c);
979 if(tag->len - tag->pos) {
980 printf("%d unparsed bytes remaining in ABC block\n", tag->len - tag->pos);
984 swf_SetTagPos(tag, classes_pos);
985 for(t=0;t<num_classes;t++) {
986 abc_class_t*cls = malloc(sizeof(abc_class_t));
987 memset(cls, 0, sizeof(abc_class_t));
988 const char* classname = dict_getstr(pool->multinames, swf_GetU30(tag));
989 const char* supername = dict_getstr(pool->multinames, swf_GetU30(tag));
990 cls->name = classname;
991 U8 flags = swf_GetU8(tag);
994 cls->ns_index = swf_GetU30(tag);
995 ns = dict_getstr(pool->namespaces, cls->ns_index);
997 printf("class %s extends %s, %s, flags=%02x\n", classname, supername, ns, flags);
999 int num_interfaces = swf_GetU30(tag);
1000 if(num_interfaces>0) {
1001 printf("can't parse interfaces yet\n");
1004 cls->iinit = swf_GetU30(tag);
1005 dump_method(" ","constructor", classname, cls->iinit, pool);
1006 cls->traits = parse_traits(" ",tag, pool, 1);
1011 dict_append(pool->classes, 0, cls);
1013 for(t=0;t<num_classes;t++) {
1014 int cinit = swf_GetU30(tag);
1015 dump_method(" ","staticconstructor", "", cinit, pool);
1016 if(!parse_traits(" ",tag, pool, 1))
1019 int num_scripts2 = swf_GetU30(tag);
1021 for(t=0;t<num_scripts2;t++) {
1022 int init = swf_GetU30(tag);
1023 dump_method("","initmethod", "init", init, pool);
1024 if(!parse_traits("", tag, pool, 1))
1029 static int registerNameSpace(abc_file_t*file, U8 access, char*name) {
1030 if(access==0) { // autodetect access
1031 char*n = strdup(name);
1033 char*bracket = strchr(n, ']');
1037 name += (bracket-n)+1;
1038 if(!strcmp(a, "")) access=0x16;
1039 else if(!strcmp(a, "package")) access=0x16;
1040 else if(!strcmp(a, "packageinternal")) access=0x17;
1041 else if(!strcmp(a, "protected")) access=0x18;
1042 else if(!strcmp(a, "explicit")) access=0x19;
1043 else if(!strcmp(a, "staticprotected")) access=0x1a;
1044 else if(!strcmp(a, "private")) access=0x05;
1046 fprintf(stderr, "Undefined access level: [%s]\n", a);
1056 for(t=0;t<file->namespaces->num;t++) {
1057 const char*name2 = dict_getstr(file->namespaces, t);
1058 U8 access2 = (U8)(int)dict_getdata(file->namespaces, t);
1059 if(access == access2 && !strcmp(name, name2)) {
1063 dict_update(file->strings, name, 0);
1064 return dict_append(file->namespaces, name, (void*)(int)access);
1066 int abc_RegisterNameSpace(abc_file_t*file, char*name) {
1067 return registerNameSpace(file, 0x08, name);
1069 int abc_RegisterPackageNameSpace(abc_file_t*file, char*name) {
1070 return registerNameSpace(file, 0x16 , name);
1072 int abc_RegisterPackageInternalNameSpace(abc_file_t*file, char*name) {
1073 return registerNameSpace(file, 0x17, name);
1075 int abc_RegisterProtectedNameSpace(abc_file_t*file, char*name) {
1076 return registerNameSpace(file, 0x18, name);
1078 int abc_RegisterExplicitNameSpace(abc_file_t*file, char*name) {
1079 return registerNameSpace(file, 0x19, name);
1081 int abc_RegisterStaticProtectedNameSpace(abc_file_t*file, char*name) {
1082 return registerNameSpace(file, 0x1a, name);
1084 int abc_RegisterPrivateNameSpace(abc_file_t*file, char*name) {
1085 return registerNameSpace(file, 0x05, name);
1087 static int multiname_index(abc_file_t*abc, const char*name2)
1091 int pos = dict_find(abc->multinames, name2);
1096 char*n = strdup(name2);
1097 char*p = strchr(n, ':');
1098 char*namespace=0,*name=0;
1107 abc_multiname_t*m = malloc(sizeof(abc_multiname_t));
1108 m->namespace_index = registerNameSpace(abc, 0, namespace);
1109 m->name_index = dict_append_if_new(abc->strings, name, 0);
1110 return dict_append(abc->multinames, name2, m);
1113 abc_class_t* abc_NewClass(abc_file_t*abc, char*classname, char*superclass) {
1114 abc_class_t* c = malloc(sizeof(abc_class_t));
1115 memset(c, 0, sizeof(abc_class_t));
1116 c->index = dict_append(abc->classes, 0, c);
1118 c->name = strdup(classname);
1119 c->classname_index = multiname_index(abc, classname);
1120 c->superclass_index = multiname_index(abc, superclass);
1121 c->ns_index = abc_RegisterProtectedNameSpace(abc, classname);
1125 c->traits = dict_new();
1129 abc_code_t* add_method(abc_file_t*abc, abc_class_t*cls, char*returntype, char*name, int num_params, va_list va)
1131 /* construct code (method body) object */
1132 abc_code_t* c = malloc(sizeof(abc_code_t));
1133 memset(c, 0, sizeof(abc_code_t));
1134 c->index = dict_append(abc->method_bodies, 0, c);
1135 c->tag = swf_InsertTag(0,0);
1137 c->traits = dict_new();
1139 /* construct method object */
1140 abc_method_t* m = malloc(sizeof(abc_method_t));
1141 memset(m, 0, sizeof(abc_method_t));
1142 m->param_count = num_params;
1143 m->index = dict_append(abc->methods, 0, m);
1145 m->return_type_index = multiname_index(abc, returntype);
1147 m->return_type_index = 0;
1148 if(num_params>sizeof(m->params)/sizeof(m->params[0])) {
1149 fprintf(stderr, "abc: Too many parameters\n");
1153 for(t=0;t<num_params;t++) {
1154 const char*param = va_arg(va, const char*);
1155 m->params[t] = multiname_index(abc, param);
1158 /* crosslink the two objects */
1159 m->method_body_index = c->index;
1165 abc_code_t* abc_AddConstructor(abc_class_t*cls, char*returntype, int num_params, ...)
1168 va_start(va, num_params);
1169 abc_code_t* c = add_method(cls->abc, cls, returntype, 0, num_params, va);
1171 cls->iinit = c->index;
1175 abc_code_t* abc_AddStaticConstructor(abc_class_t*cls, char*returntype, int num_params, ...)
1178 va_start(va, num_params);
1179 abc_code_t* c = add_method(cls->abc, cls, returntype, 0, num_params, va);
1181 cls->cinit = c->index;
1185 abc_trait_t*trait_new(int type, int name_index, int data1, int data2, int vindex, int vkind)
1187 abc_trait_t*trait = malloc(sizeof(abc_trait_t));
1188 memset(trait, 0, sizeof(abc_trait_t));
1190 trait->name_index = name_index;
1191 trait->data1 = data1;
1192 trait->data2 = data2;
1193 trait->vindex = vindex;
1194 trait->vkind = vkind;
1198 abc_code_t* abc_AddMethod(abc_class_t*cls, char*returntype, char*name, int num_params, ...)
1200 abc_file_t*abc = cls->abc;
1202 va_start(va, num_params);
1203 abc_code_t* c = add_method(cls->abc, cls, returntype, name, num_params, va);
1205 dict_append(cls->traits, 0, trait_new(TRAIT_METHOD, multiname_index(abc, name), 0, c->method->index, 0, 0));
1209 void abc_AddSlot(abc_class_t*cls, char*name, int slot, char*multiname)
1211 abc_file_t*abc = cls->abc;
1212 int i = multiname_index(abc, name);
1213 dict_append(cls->traits, 0, trait_new(TRAIT_SLOT, i, slot, multiname_index(abc, multiname), 0, 0));
1216 void abc_code_addClassTrait(abc_code_t*code, char*multiname, int slotid, abc_class_t*cls)
1218 abc_file_t*abc = code->abc;
1219 int i = multiname_index(abc, multiname);
1220 abc_trait_t*trait = trait_new(TRAIT_CLASS, i, slotid, cls->index, 0, 0);
1221 dict_append(code->traits, 0, trait);
1224 abc_code_t* abc_AddInitScript(abc_file_t*abc, char*returntype, int num_params, ...)
1227 va_start(va, num_params);
1228 abc_code_t* c = add_method(abc, 0, returntype, 0, num_params, va);
1229 dict_append(abc->scripts, 0, c);
1234 void swf_SetU30(TAG*tag, U32 u)
1237 swf_SetU8(tag, (u&~0x7f?0x80:0) | (u&0x7F));
1241 void swf_SetU30String(TAG*tag, const char*str)
1243 int l = strlen(str);
1245 swf_SetBlock(tag, (void*)str, l);
1248 static void write_traits(abc_file_t*abc, TAG*tag, dict_t*traits)
1250 swf_SetU30(tag, traits->num);
1253 for(s=0;s<traits->num;s++) {
1254 abc_trait_t*trait = (abc_trait_t*)dict_getdata(traits, s);
1255 swf_SetU30(tag, trait->name_index);
1256 swf_SetU8(tag, trait->type);
1257 swf_SetU30(tag, trait->data1);
1258 swf_SetU30(tag, trait->data2);
1259 if(trait->type == 0) { //slot
1260 swf_SetU30(tag, trait->vindex);
1262 swf_SetU8(tag, trait->vkind);
1268 void swf_WriteABC(TAG*tag, abc_file_t*abc)
1272 swf_SetU16(tag, 0x10);
1273 swf_SetU16(tag, 0x2e);
1274 swf_SetU30(tag, abc->ints->num>1?abc->ints->num:0);
1276 swf_SetU30(tag, abc->uints->num>1?abc->uints->num:0);
1278 swf_SetU30(tag, abc->floats->num>1?abc->floats->num:0);
1280 swf_SetU30(tag, abc->strings->num>1?abc->strings->num:0);
1282 for(t=1;t<abc->strings->num;t++) {
1283 swf_SetU30String(tag, dict_getstr(abc->strings, t));
1285 swf_SetU30(tag, abc->namespaces->num>1?abc->namespaces->num:0);
1286 for(t=1;t<abc->namespaces->num;t++) {
1287 U8 type = (U8)(int)dict_getdata(abc->namespaces, t);
1288 const char*name = dict_getstr(abc->namespaces, t);
1289 int i = dict_find(abc->strings, name);
1291 fprintf(stderr, "Couldn't find namespace \"%s\" in constant pool\n", name);
1294 swf_SetU8(tag, type);
1297 swf_SetU30(tag, abc->sets->num>1?abc->sets->num:0);
1300 swf_SetU30(tag, abc->multinames->num>1?abc->multinames->num:0);
1302 for(t=1;t<abc->multinames->num;t++) {
1303 abc_multiname_t*m = (abc_multiname_t*)dict_getdata(abc->multinames, t);
1304 swf_SetU8(tag, 0x07);
1305 swf_SetU30(tag, m->namespace_index);
1306 swf_SetU30(tag, m->name_index);
1309 swf_SetU30(tag, abc->methods->num);
1310 for(t=0;t<abc->methods->num;t++) {
1311 abc_method_t*m = (abc_method_t*)dict_getdata(abc->methods, t);
1312 swf_SetU30(tag, m->param_count);
1313 swf_SetU30(tag, m->return_type_index);
1315 for(s=0;s<m->param_count;s++) {
1316 swf_SetU30(tag, m->params[s]);
1318 swf_SetU30(tag, 0); // name
1319 swf_SetU8(tag, 0); //flags
1322 swf_SetU30(tag, 0);//metadata
1324 swf_SetU30(tag, abc->classes->num);
1326 for(t=0;t<abc->classes->num;t++) {
1327 abc_class_t*c = (abc_class_t*)dict_getdata(abc->classes, t);
1328 swf_SetU30(tag, c->classname_index);
1329 swf_SetU30(tag, c->superclass_index);
1331 swf_SetU8(tag, 8); // flags
1332 swf_SetU30(tag, c->ns_index);
1334 swf_SetU30(tag, 0); // no interfaces
1336 fprintf(stderr, "Error: Class %s has no constructor\n", c->name);
1339 swf_SetU30(tag, c->iinit);
1340 write_traits(abc, tag, c->traits);
1342 for(t=0;t<abc->classes->num;t++) {
1343 abc_class_t*c = (abc_class_t*)dict_getdata(abc->classes, t);
1345 fprintf(stderr, "Error: Class %s has no constructor\n", c->name);
1348 swf_SetU30(tag, c->cinit);
1349 swf_SetU30(tag, 0); // no traits
1352 swf_SetU30(tag, abc->scripts->num);
1353 for(t=0;t<abc->scripts->num;t++) {
1354 abc_code_t*c = (abc_code_t*)dict_getdata(abc->scripts, t);
1355 swf_SetU30(tag, c->index); //!=t!
1356 write_traits(abc, tag, c->traits);
1359 swf_SetU30(tag, abc->method_bodies->num);
1360 for(t=0;t<abc->method_bodies->num;t++) {
1361 abc_code_t*c = (abc_code_t*)dict_getdata(abc->method_bodies, t);
1362 abc_method_t*m = c->method;
1363 swf_SetU30(tag, m->index);
1364 swf_SetU30(tag, c->max_stack);
1365 swf_SetU30(tag, c->local_count);
1366 swf_SetU30(tag, c->init_scope_depth);
1367 swf_SetU30(tag, c->max_scope_depth);
1368 swf_SetU30(tag, c->tag->len);
1369 swf_SetBlock(tag, c->tag->data, c->tag->len);
1370 swf_SetU30(tag, c->exception_count);
1371 swf_SetU8(tag, 0); // no traits
1375 #include "swfabc_ops.c"
1377 void swf_AddButtonLinks(TAG*tag)
1379 abc_file_t*abc = abc_file_new();
1382 abc_class_t*maintimeline = abc_NewClass(abc, "buttonmitlink_fla:MainTimeline", "flash.display:MovieClip");
1384 c = abc_AddStaticConstructor(maintimeline, 0, 0);
1387 c->init_scope_depth = 9;
1388 c->max_scope_depth = 10;
1393 c = abc_AddMethod(maintimeline, 0, "[packageinternal]buttonmitlink_fla:frame1", 0);
1396 c->init_scope_depth = 10;
1397 c->max_scope_depth = 11;
1402 abc_AddSlot(maintimeline, ":MyButton1", 0, "flash.display:SimpleButton");
1403 abc_AddSlot(maintimeline, ":MyButton2", 0, "flash.display:SimpleButton");
1405 c = abc_AddMethod(maintimeline, ":void", ":gotoPage2", 1, "flash.events:MouseEvent");
1408 c->init_scope_depth = 10;
1409 c->max_scope_depth = 11;
1412 abc_findpropstrict(c, "flash.net:navigateToURL");
1413 abc_findpropstrict(c, "flash.net:URLRequest");
1414 abc_pushstring(c, "http://www.quiss.org");
1415 abc_constructprop(c, "flash.net:URLRequest", 1);
1416 abc_callpropvoid(c, "flash.net:navigateToURL", 1);
1419 c = abc_AddMethod(maintimeline, ":void", ":gotoPage1", 1, "flash.events:MouseEvent");
1422 c->init_scope_depth = 10;
1423 c->max_scope_depth = 11;
1426 abc_findpropstrict(c,"flash.net:navigateToURL");
1427 abc_findpropstrict(c,"flash.net:URLRequest");
1428 abc_pushstring(c,"http://www.google.com/");
1429 abc_constructprop(c,"flash.net:URLRequest", 1);
1430 abc_callpropvoid(c,"flash.net:navigateToURL", 1);
1433 c = abc_AddConstructor(maintimeline, 0, 0);
1436 c->init_scope_depth = 10;
1437 c->max_scope_depth = 11;
1443 abc_constructsuper(c,0);
1444 abc_findpropstrict(c,":addFrameScript");
1445 abc_pushbyte(c,0x00);
1446 abc_getlex(c,"[packageinternal]buttonmitlink_fla:frame1");
1447 abc_callpropvoid(c,":addFrameScript",2);
1449 abc_getlex(c,":MyButton1");
1450 abc_getlex(c,"flash.events:MouseEvent");
1451 abc_getproperty(c, ":CLICK");
1452 abc_getlex(c, ":gotoPage1");
1453 abc_callpropvoid(c, ":addEventListener" ,2);
1455 abc_getlex(c,":MyButton2");
1456 abc_getlex(c,"flash.events:MouseEvent");
1457 abc_getproperty(c, ":CLICK");
1458 abc_getlex(c,":gotoPage2");
1459 abc_callpropvoid(c,":addEventListener",2);
1463 c = abc_AddInitScript(abc, 0, 0);
1466 c->init_scope_depth = 1;
1467 c->max_scope_depth = 9;
1470 abc_getscopeobject(c, 0);
1471 abc_getlex(c,":Object");
1473 abc_getlex(c,"flash.events:EventDispatcher");
1475 abc_getlex(c,"flash.display:DisplayObject");
1477 abc_getlex(c,"flash.display:InteractiveObject");
1479 abc_getlex(c,"flash.display:DisplayObjectContainer");
1481 abc_getlex(c,"flash.display:Sprite");
1483 abc_getlex(c,"flash.display:MovieClip");
1485 abc_getlex(c,"flash.display:MovieClip");
1486 abc_newclass(c,maintimeline);
1494 abc_initproperty(c,"buttonmitlink_fla:MainTimeline");
1497 abc_code_addClassTrait(c, "buttonmitlink_fla:MainTimeline", 1, maintimeline);
1499 swf_WriteABC(tag, abc);