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 int swf_GetS30(TAG*tag)
381 U8 b = swf_GetU8(tag);
386 s|=0xffffffff<<shift;
394 double swf_GetD64(TAG*tag)
398 b[0] = swf_GetU32(tag);
399 b[1] = swf_GetU32(tag);
404 typedef struct _abc_method {
405 /* from method signature: */
408 int return_type_index;//index into multiname
410 int params[16]; // indexes into multiname
414 int method_body_index;
417 typedef struct _abc_multiname {
422 typedef struct _dict_entry {
427 typedef struct _dict {
435 dict_t*d = malloc(sizeof(dict_t));
436 memset(d, 0, sizeof(dict_t));
439 const char*dict_getstr(dict_t*dict, int nr) {
440 if(nr > dict->num || nr<0) {
441 printf("error: reference to string %d in dict\n");
444 return dict->d[nr].name;
446 char*dict_getdata(dict_t*dict, int nr) {
447 if(nr > dict->num || nr<0) {
448 printf("error: reference to string %d in dict\n");
451 return dict->d[nr].data;
453 int dict_append(dict_t*dict, const char*name, void*data) {
454 while(dict->size <= dict->num) {
457 dict->d = malloc(sizeof(dict_entry_t)*dict->size);
459 dict->d = realloc(dict->d, sizeof(dict_entry_t)*dict->size);
463 dict->d[dict->num].name = strdup(name);
465 dict->d[dict->num].name = 0;
467 dict->d[dict->num].data = data;
470 int dict_find(dict_t*dict, const char*name)
475 for(t=0;t<dict->num;t++) {
476 if(dict->d[t].name && !strcmp(dict->d[t].name,name))
481 int dict_update(dict_t*dict, char*name, void*data) {
482 int pos = dict_find(dict, name);
484 dict->d[pos].data = data;
487 return dict_append(dict, name, data);
489 int dict_append_if_new(dict_t*dict, char*name, void*data) {
490 int pos = dict_find(dict, name);
493 return dict_append(dict, name, data);
496 typedef struct _abc_file_t {
505 dict_t*namespace_sets;
514 dict_t*method_bodies;
517 typedef struct _abc_trait {
526 typedef struct _abc_class {
531 int superclass_index;
538 typedef struct _abc_code {
546 int init_scope_depth;
552 typedef struct _opcode
554 unsigned char opcode;
570 int abc_RegisterNameSpace(abc_file_t*file, char*name);
571 int abc_RegisterPackageNameSpace(abc_file_t*file, char*name);
572 int abc_RegisterPackageInternalNameSpace(abc_file_t*file, char*name);
573 int abc_RegisterProtectedNameSpace(abc_file_t*file, char*name);
574 int abc_RegisterExplicitNameSpace(abc_file_t*file, char*name);
575 int abc_RegisterStaticProtectedNameSpace(abc_file_t*file, char*name);
576 int abc_RegisterPrivateNameSpace(abc_file_t*file, char*name);
582 {0x86, "atype", "2"},
583 {0x87, "astypelate", ""},
584 {0xA8, "bitand", ""},
585 {0x97, "bitnot", ""},
587 {0xaa, "bitxor", ""},
589 {0x43, "callmethod", "mn"},
590 {0x4c, "callproplex", "2n"},
591 {0x46, "callproperty", "2n"},
592 {0x4f, "callpropvoid", "2n"},
593 {0x44, "callstatic", "in"},
594 {0x45, "callsuper", "2n"},
595 {0x4e, "callsupervoid", "2n"},
596 {0x78, "checkfilter", ""},
597 {0x80, "coerce", "m"},
598 {0x82, "coerce_a", ""},
599 {0x85, "coerce_s", ""},
600 {0x42, "construct", "n"},
601 {0x4a, "constructprop", "2n"},
602 {0x49, "constructsuper", "n"},
603 {0x76, "convert_b", ""},
604 {0x73, "convert_i", ""},
605 {0x75, "convert_d", ""},
606 {0x77, "convert_o", ""},
607 {0x74, "convert_u", ""},
608 {0x70, "convert_s", ""},
609 {0xef, "debug", "bsbu"},
610 {0xf1, "debugfile", "s"},
611 {0xf0, "debugline", "u"},
612 {0x94, "declocal", "u"},
613 {0xc3, "declocal_i", "u"},
614 {0x93, "decrement", ""},
615 {0xc1, "decrement_i", ""},
616 {0x6a, "deleteproperty", "2"},
617 {0xa3, "divide", ""},
620 {0x07, "dxnslate", ""},
621 {0xab, "equals", ""},
622 {0x72, "esc_xattr", ""},
623 {0x71, "esc_xelem", ""},
624 {0x5e, "findproperty", "2"},
625 {0x5d, "findpropstrict", "2"},
626 {0x59, "getdescendants", "2"},
627 {0x64, "getglobalscope", ""},
628 {0x6e, "getglobalslot", "u"},
629 {0x60, "getlex", "2"},
630 {0x62, "getlocal", "u"},
631 {0xd0, "getlocal_0", ""},
632 {0xd1, "getlocal_1", ""},
633 {0xd2, "getlocal_2", ""},
634 {0xd3, "getlocal_3", ""},
635 {0x66, "getproperty", "2"},
636 {0x65, "getscopeobject", "u"},
637 {0x6c, "getslot", "u"},
638 {0x04, "getsuper", "2"},
639 {0xaf, "greaterequals", ""},
640 {0x1f, "hasnext", ""},
641 {0x32, "hasnext2", "uu"},
643 {0x12, "iffalse", "j"},
648 {0x0f, "ifnge", "j"},
649 {0x0e, "ifngt", "j"},
650 {0x0d, "ifnle", "j"},
651 {0x0c, "ifnlt", "j"},
654 {0x19, "ifstricteq", "j"},
655 {0x1a, "ifstrictne", "j"},
656 {0x11, "iftrue", "j"},
658 {0x92, "inclocal", "u"},
659 {0xc2, "inclocal_i", "u"},
660 {0x91, "increment", ""},
661 {0xc0, "increment_i", ""},
662 {0x68, "initproperty", "2"},
663 {0xb1, "instanceof", ""},
664 {0xb2, "istype", "2"},
665 {0xb3, "istypelate", ""},
669 {0xae, "lessequals", ""},
670 {0xad, "lessthan", ""},
671 {0x1b, "lookupswitch", "S"},
672 {0xa5, "lshift", ""},
673 {0xa4, "modulo", ""},
674 {0xa2, "multiply", ""},
675 {0xc7, "multiply_i", ""},
676 {0x90, "negate", ""},
677 {0xc4, "negate_i", ""},
678 {0x57, "newactivation", ""},
679 {0x56, "newarray", "u"},
680 {0x5a, "newcatch", "u"}, //index into exception_info
681 {0x58, "newclass", "c"}, //index into class_info
682 {0x40, "newfunction", "u"}, //index into method_info
683 {0x55, "newobject", "u"},
684 {0x1e, "nextname", ""},
685 {0x23, "nextvalue", ""},
689 {0x1d, "popscope", ""},
690 {0x24, "pushbyte", "b"},
691 {0x2f, "pushdouble", "u"}, //index into floats
692 {0x27, "pushtrue", ""},
693 {0x2d, "pushint", "u"}, //index into ints
694 {0x31, "pushnamespace", "u"}, //index into namespace
695 {0x28, "pushnan", ""},
696 {0x20, "pushnull", ""},
697 {0x30, "pushscope", ""},
698 {0x25, "pushshort", "u"},
699 {0x2c, "pushstring", "s"},
700 {0x26, "pushtrue", ""},
701 {0x2e, "pushuint", "u"}, //index into uints
702 {0x21, "pushundefined", ""},
703 {0x1c, "pushwith", ""},
704 {0x48, "returnvalue", ""},
705 {0x47, "returnvoid", ""},
706 {0xa6, "rshift", ""},
707 {0x63, "setlocal", "u"},
708 {0xd4, "setlocal_0", ""},
709 {0xd5, "setlocal_1", ""},
710 {0xd6, "setlocal_2", ""},
711 {0xd7, "setlocal_3", ""},
712 {0x6f, "setglobalshot", "u"},
713 {0x61, "setproperty", "2"},
714 {0x6d, "setslot", "u"},
715 {0x05, "setsuper", "2"},
716 {0xac, "strictequals", ""},
717 {0xa1, "subtract", ""},
718 {0xc6, "subtract_i", ""},
721 {0x95, "typeof", ""},
722 {0xa7, "urshift", ""},
726 int swf_GetU24(TAG*tag)
728 int b1 = swf_GetU8(tag);
729 int b2 = swf_GetU8(tag);
730 int b3 = swf_GetU8(tag);
731 return b3<<16|b2<<8|b1;
733 static int parse_code(TAG*tag, int len, abc_file_t*pool, char*prefix)
735 int end=tag->pos+len;
736 while(tag->pos<end) {
737 U8 opcode = swf_GetU8(tag);
740 for(t=0;t<sizeof(opcodes)/sizeof(opcodes[0]);t++) {
741 if(opcodes[t].opcode == opcode) {
742 printf("%s%s ", prefix, opcodes[t].name);
743 char*p = opcodes[t].params;
749 int n = swf_GetU30(tag);
750 printf("%d params", n);
751 } else if(*p == '2') {
752 const char* m = dict_getstr(pool->multinames, swf_GetU30(tag));
754 } else if(*p == 'm') {
755 int n = swf_GetU30(tag);
756 printf("[method%d]", n);
757 } else if(*p == 'c') {
758 int n = swf_GetU30(tag);
759 printf("[classinfo%d]", n);
760 } else if(*p == 'i') {
761 int n = swf_GetU30(tag);
762 printf("[methodbody%d]", n);
763 } else if(*p == 'u') {
764 int n = swf_GetU30(tag);
766 } else if(*p == 'b') {
767 int b = swf_GetU8(tag);
769 } else if(*p == 'j') {
770 printf("%d", swf_GetU24(tag));
771 } else if(*p == 's') {
772 const char*s = dict_getstr(pool->strings, swf_GetU30(tag));
774 } else if(*p == 'S') {
775 swf_GetU24(tag); //default
776 int num = swf_GetU30(tag)+1;
781 printf("Can't parse opcode param type \"%c\"\n", *p);
792 printf("Can't parse opcode %02x\n", opcode);
798 printf("Read beyond end of ABC Bytecode\n");
804 static void dump_method(const char*prefix, const char*type, const char*name, int nr, abc_file_t*pool)
806 if(nr >= pool->methods->num) {
807 printf("Invalid method number: %d\n", nr);
810 abc_method_t*m = (abc_method_t*)dict_getdata(pool->methods, nr);
811 printf("%s%s %s %s%s\n", prefix, type, dict_getstr(pool->multinames,m->return_type_index), name, m->paramstr);
813 abc_code_t*c = (abc_code_t*)dict_getdata(pool->method_bodies, m->method_body_index);
815 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);
817 swf_SetTagPos(c->tag, 0);
819 sprintf(prefix2, "%s ", prefix);
820 printf("%s{\n", prefix);
821 parse_code(c->tag, c->tag->len, pool,prefix2);
822 printf("%s}\n", prefix);
828 static void parse_metadata(TAG*tag, abc_file_t*pool)
831 int num_metadata = swf_GetU30(tag);
832 DEBUG printf("%d metadata\n");
833 for(t=0;t<num_metadata;t++) {
834 const char*name = dict_getstr(pool->strings, swf_GetU30(tag));
835 int num = swf_GetU30(tag);
837 DEBUG printf(" %s\n", name);
839 const char*key = dict_getstr(pool->strings, swf_GetU30(tag));
840 const char*value = dict_getstr(pool->strings, swf_GetU30(tag));
841 DEBUG printf(" %s=%s\n", key, value);
847 #define TRAIT_METHOD 1
848 #define TRAIT_GETTER 2
849 #define TRAIT_SETTER 3
850 #define TRAIT_CLASS 4
851 #define TRAIT_FUNCTION 5
852 static dict_t* parse_traits(char*prefix, TAG*tag, abc_file_t*pool, char print)
854 int num_traits = swf_GetU30(tag);
855 dict_t*traits = dict_new();
858 DEBUG printf("%d traits\n", num_traits);
860 for(t=0;t<num_traits;t++) {
861 abc_trait_t*trait = malloc(sizeof(abc_trait_t));
862 memset(trait, 0, sizeof(abc_trait_t));
863 dict_append(traits, 0, trait);
864 int name_index = swf_GetU30(tag);
865 const char*name = dict_getstr(pool->multinames, name_index);
866 U8 kind = swf_GetU8(tag);
867 U8 attributes = kind&0xf0;
869 DEBUG printf(" trait %d) %s type=%02x\n", t, name, kind);
870 if(kind == 1 || kind == 2 || kind == 3) { // method / getter / setter
871 int disp_id = swf_GetU30(tag);
872 int nr = swf_GetU30(tag);
873 DEBUG printf(" %smethod %d %d %s\n", prefix, nr, disp_id, ((abc_method_t*)dict_getdata(pool->methods, nr))->paramstr);
874 if(print) dump_method(prefix, kind==1?"method":(kind==2?"getter":"setter"), name, nr, pool);
875 } else if(kind == 5) { // function
876 int slot_id = swf_GetU30(tag);
877 int nr = swf_GetU30(tag);
878 if(print) dump_method(prefix, "function", name, nr, pool);
879 } else if(kind == 4) { // class
880 int slot_id = swf_GetU30(tag);
881 int cls = swf_GetU30(tag);
882 if(print) printf(" %sclass %s %d %d\n", prefix, name, slot_id, cls);
883 } else if(kind == 0 || kind == 6) { // slot, const
884 int slot_id = swf_GetU30(tag);
885 const char*type_name = dict_getstr(pool->multinames, swf_GetU30(tag));
886 int vindex = swf_GetU30(tag);
888 U8 vkind = swf_GetU8(tag);
890 if(print) printf(" %sslot %s %d %s (vindex=%d)\n", prefix, name, slot_id, type_name, vindex);
892 printf(" can't parse trait type %d\n", kind);
895 if(attributes&0x40) {
896 int num = swf_GetU30(tag);
899 swf_GetU30(tag); //index into metadata array
906 void swf_CopyData(TAG*to, TAG*from, int len)
908 unsigned char*data = malloc(len);
909 swf_GetBlock(from, data, len);
910 swf_SetBlock(to, data, len);
914 abc_file_t*abc_file_new()
916 abc_file_t*f = malloc(sizeof(abc_file_t));
917 memset(f, 0, sizeof(abc_file_t));
919 f->ints = dict_new();
920 dict_append(f->ints, 0, (void*)0);
921 f->uints = dict_new();
922 dict_append(f->uints, 0, (void*)0);
923 f->floats = dict_new();
924 dict_append(f->floats, 0, 0);
925 f->strings = dict_new();
926 dict_append(f->strings, "--<UNDEFINED>--", 0);
927 f->namespaces = dict_new();
928 dict_append(f->namespaces, "--<UNDEFINED>--", 0);
929 f->namespace_sets = dict_new();
930 dict_append(f->namespace_sets, "--<UNDEFINED>--", 0);
931 f->sets = dict_new();
932 dict_append(f->sets, "--<UNDEFINED>--", 0);
933 f->multinames = dict_new();
934 dict_append(f->multinames, "--<UNDEFINED>--", 0);
938 f->methods = dict_new();
939 f->classes = dict_new();
940 f->scripts = dict_new();
941 f->method_bodies = dict_new();
946 static char* access2str(int type)
948 if(type==0x08) return "";
949 else if(type==0x16) return "package";
950 else if(type==0x17) return "packageinternal";
951 else if(type==0x18) return "protected";
952 else if(type==0x19) return "explicit";
953 else if(type==0x1A) return "staticprotected";
954 else if(type==0x05) return "private";
955 else return "undefined";
958 void swf_DissassembleABC(TAG*tag)
960 abc_file_t* pool = abc_file_new();
962 swf_SetTagPos(tag, 0);
963 U32 flags = swf_GetU32(tag);
965 DEBUG printf("flags=%08x\n", flags);
966 char*classname = swf_GetString(tag);
967 U32 version = swf_GetU32(tag);
968 if(version!=0x002e0010) {
969 fprintf(stderr, "Warning: unknown AVM2 version %08x\n", version);
972 int num_ints = swf_GetU30(tag);
973 DEBUG printf("%d ints\n", num_ints);
974 for(t=1;t<num_ints;t++) {
975 S32 v = swf_GetU30(tag);
976 DEBUG printf("int %d) %d\n", t, v);
977 dict_append(pool->ints, 0, (void*)v);
980 int num_uints = swf_GetU30(tag);
981 DEBUG printf("%d uints\n", num_uints);
982 for(t=1;t<num_uints;t++) {
983 U32 v = swf_GetS30(tag);
984 DEBUG printf("uint %d) %d\n", t, v);
985 dict_append(pool->uints, 0, (void*)v);
988 int num_floats = swf_GetU30(tag);
989 DEBUG printf("%d floats\n", num_floats);
990 for(t=1;t<num_floats;t++) {
991 double d = swf_GetD64(tag);
992 DEBUG printf("float %d) %f\n", t, d);
993 dict_append(pool->floats, 0, 0);
996 int num_strings = swf_GetU30(tag);
997 DEBUG printf("%d strings\n", num_strings);
998 for(t=1;t<num_strings;t++) {
999 int len = swf_GetU30(tag);
1000 char*s = malloc(len+1);
1001 swf_GetBlock(tag, s, len);
1003 dict_append(pool->strings, s, 0);
1004 DEBUG printf("%d) \"%s\"\n", t, pool->strings->d[t].name);
1006 int num_namespaces = swf_GetU30(tag);
1007 DEBUG printf("%d namespaces\n", num_namespaces);
1008 for(t=1;t<num_namespaces;t++) {
1009 U8 type = swf_GetU8(tag);
1010 int namenr = swf_GetU30(tag);
1011 const char*name = dict_getstr(pool->strings, namenr);
1012 dict_append(pool->namespaces, name, (void*)(int)type);
1016 if(type==0x08) printf("Namespace %s\n", name);
1017 else if(type==0x16) printf("PackageNamespace %s\n", name);
1018 else if(type==0x17) printf("PackageInternalNs %s\n", name);
1019 else if(type==0x18) printf("ProtectedNamespace %s\n", name);
1020 else if(type==0x19) printf("ExplicitNamespace %s\n", name);
1021 else if(type==0x1A) printf("StaticProtectedNs %s\n", name);
1022 else if(type==0x05) printf("PrivateNs %s\n", name);
1024 printf("Undefined namespace type\n");
1029 int num_sets = swf_GetU30(tag);
1030 DEBUG printf("%d namespace sets\n", num_namespaces);
1031 for(t=1;t<num_sets;t++) {
1032 int count = swf_GetU30(tag);
1034 const char**name = malloc(sizeof(const char*)*count);
1036 for(s=0;s<count;s++) {
1037 int nsnr = swf_GetU30(tag);
1038 name[s] = dict_getstr(pool->namespaces, nsnr);
1039 l += strlen(name[s])+1;
1041 char*desc = malloc(l+16);
1043 for(s=0;s<count;s++) {
1044 strcat(desc, name[s]);
1048 dict_append(pool->namespace_sets, desc, 0);
1049 DEBUG printf("set %d) %s\n", t, desc);
1052 int num_multinames = swf_GetU30(tag);
1053 DEBUG printf("%d multinames\n", num_multinames);
1054 for(t=1;t<num_multinames;t++) {
1055 U8 type = swf_GetU8(tag);
1057 if(type==0x07 || type==0x0d) {
1058 int nr1 = swf_GetU30(tag);
1059 const char*namespace = dict_getstr(pool->namespaces, nr1);
1060 U8 access = (U8)(int)dict_getdata(pool->namespaces, nr1);
1061 const char*methodname = dict_getstr(pool->strings, swf_GetU30(tag));
1062 DEBUG printf("multiname %d) <%s> %s:%s\n", t, access2str(access), namespace, methodname);
1063 mname = malloc(strlen(namespace)+strlen(methodname)+300);
1064 sprintf(mname, "[%s]\0", access2str(access));
1065 strcat(mname, namespace);
1067 strcat(mname, methodname);
1068 } else if(type==0x0f || type==0x10) {
1069 const char*methodname = dict_getstr(pool->strings, swf_GetU30(tag));
1070 mname = strdup(methodname);
1071 } else if(type==0x11 || type==0x12) {
1073 } else if(type==0x09 || type==0x0e) {
1074 const char*methodname = dict_getstr(pool->strings, swf_GetU30(tag));
1075 const char*namespace = dict_getstr(pool->namespace_sets, swf_GetU30(tag));
1076 DEBUG printf("multiname %d) %s:%s\n", t, namespace, methodname);
1077 mname = malloc(strlen(namespace)+strlen(methodname)+16);
1078 strcpy(mname, namespace);
1080 strcat(mname, methodname);
1081 } else if(type==0x1b || type==0x1c) {
1082 const char*nsset = dict_getstr(pool->namespace_sets, swf_GetU30(tag));
1083 mname = strdup(nsset);
1085 printf("can't parse type %d multinames yet\n", type);
1088 dict_append(pool->multinames, mname, 0);
1092 int num_methods = swf_GetU30(tag);
1093 DEBUG printf("%d methods\n", num_methods);
1094 for(t=0;t<num_methods;t++) {
1095 abc_method_t*m = malloc(sizeof(abc_method_t));
1096 memset(m, 0, sizeof(*m));
1097 m->param_count = swf_GetU30(tag);
1098 m->return_type_index = swf_GetU30(tag);
1101 int params_len = 256;
1102 char* params = malloc(params_len);
1105 for(s=0;s<m->param_count;s++) {
1106 int typenr = swf_GetU30(tag);
1107 if(s < sizeof(m->params)/sizeof(m->params[0]))
1108 m->params[s] = typenr;
1109 const char*type = dict_getstr(pool->multinames, typenr);
1110 while(strlen(type)+strlen(params)>params_len-4) {
1112 params = realloc(params, params_len);
1115 strcat(params, ", ");
1116 strcat(params, type);
1118 strcat(params, ")");
1119 int namenr = swf_GetU30(tag);
1122 m->name = dict_getstr(pool->strings, namenr);
1123 m->paramstr=strdup(params);
1124 free(params);params = 0;
1126 m->flags = swf_GetU8(tag);
1128 DEBUG printf("method %d) %s flags=%02x\n", t, m->paramstr, m->flags);
1131 /* optional parameters */
1132 int num = swf_GetU30(tag);
1134 for(s=0;s<num;s++) {
1135 int val = swf_GetU30(tag);
1136 U8 kind = swf_GetU8(tag); // specifies index type for "val"
1140 printf("can't parse param names yet\n");
1143 dict_append(pool->methods, m->name, m);
1146 parse_metadata(tag, pool);
1148 /* skip classes, and scripts for now, and do the real parsing later */
1149 int num_classes = swf_GetU30(tag);
1150 int classes_pos = tag->pos;
1151 DEBUG printf("%d classes\n", num_classes);
1152 for(t=0;t<num_classes;t++) {
1153 DEBUG printf("class %d\n", t);
1154 swf_GetU30(tag); //classname
1155 swf_GetU30(tag); //supername
1156 U8 flags = swf_GetU8(tag);
1158 swf_GetU30(tag); //protectedNS
1159 int inum = swf_GetU30(tag); //interface count
1161 for(s=0;s<inum;s++) {
1162 const char*interface = dict_getstr(pool->multinames, swf_GetU30(tag));
1163 DEBUG printf(" class %d interface: %s\n", t, interface);
1165 swf_GetU30(tag); //iinit
1166 if(!parse_traits("", tag, pool, 0))
1169 for(t=0;t<num_classes;t++) {
1170 swf_GetU30(tag); //cinit
1171 if(!parse_traits("", tag, pool, 0))
1174 int num_scripts = swf_GetU30(tag);
1175 DEBUG printf("%d scripts\n", num_scripts);
1176 for(t=0;t<num_scripts;t++) {
1177 int init = swf_GetU30(tag);
1178 if(!parse_traits("", tag, pool, 0))
1182 int num_method_bodies = swf_GetU30(tag);
1183 DEBUG printf("%d method bodies\n", num_method_bodies);
1184 for(t=0;t<num_method_bodies;t++) {
1185 int methodnr = swf_GetU30(tag);
1186 if(methodnr >= pool->methods->num) {
1187 printf("Invalid method number: %d\n", methodnr);
1190 abc_method_t*m = (abc_method_t*)dict_getdata(pool->methods, methodnr);
1191 abc_code_t*c = malloc(sizeof(abc_code_t));
1192 memset(c, 0, sizeof(abc_code_t));
1193 c->max_stack = swf_GetU30(tag);
1194 c->local_count = swf_GetU30(tag);
1195 c->init_scope_depth = swf_GetU30(tag);
1196 c->max_scope_depth = swf_GetU30(tag);
1197 int code_length = swf_GetU30(tag);
1199 m->method_body_index = t;
1201 c->tag = swf_InsertTag(0,0);
1203 swf_CopyData(c->tag, tag, code_length);
1205 int exception_count = swf_GetU30(tag);
1207 for(s=0;s<exception_count;s++) {
1208 swf_GetU30(tag); //from
1209 swf_GetU30(tag); //to
1210 swf_GetU30(tag); //target
1211 swf_GetU30(tag); //exc_type
1212 swf_GetU30(tag); //var_name
1214 c->traits = parse_traits("<method body trait>", tag, pool, 1);
1218 DEBUG printf("method_body %d) (method %d), %d bytes of code", t, methodnr, code_length);
1219 int r,l = code_length>32?32:code_length;
1221 DEBUG printf("%02x ", c->tag->data[r]);
1225 dict_append(pool->method_bodies, 0, c);
1227 if(tag->len - tag->pos) {
1228 printf("%d unparsed bytes remaining in ABC block\n", tag->len - tag->pos);
1232 swf_SetTagPos(tag, classes_pos);
1233 for(t=0;t<num_classes;t++) {
1234 abc_class_t*cls = malloc(sizeof(abc_class_t));
1235 memset(cls, 0, sizeof(abc_class_t));
1236 const char* classname = dict_getstr(pool->multinames, swf_GetU30(tag));
1237 const char* supername = dict_getstr(pool->multinames, swf_GetU30(tag));
1238 cls->name = classname;
1239 U8 flags = swf_GetU8(tag);
1242 cls->ns_index = swf_GetU30(tag);
1243 ns = dict_getstr(pool->namespaces, cls->ns_index);
1245 printf("class %s extends %s, %s, flags=%02x\n", classname, supername, ns, flags);
1248 int num_interfaces = swf_GetU30(tag); //interface count
1250 for(s=0;s<num_interfaces;s++) {
1251 swf_GetU30(tag); // multiname index TODO
1253 cls->iinit = swf_GetU30(tag);
1254 dump_method(" ","constructor", classname, cls->iinit, pool);
1255 cls->traits = parse_traits(" ",tag, pool, 1);
1260 dict_append(pool->classes, 0, cls);
1262 for(t=0;t<num_classes;t++) {
1263 int cinit = swf_GetU30(tag);
1264 dump_method(" ","staticconstructor", "", cinit, pool);
1265 if(!parse_traits(" ",tag, pool, 1))
1268 int num_scripts2 = swf_GetU30(tag);
1270 for(t=0;t<num_scripts2;t++) {
1271 int init = swf_GetU30(tag);
1272 dump_method("","initmethod", "init", init, pool);
1273 if(!parse_traits("", tag, pool, 1))
1278 static int registerNameSpace(abc_file_t*file, U8 access, char*name) {
1279 if(access==0) { // autodetect access
1280 char*n = strdup(name);
1282 char*bracket = strchr(n, ']');
1286 name += (bracket-n)+1;
1287 if(!strcmp(a, "")) access=0x16;
1288 else if(!strcmp(a, "package")) access=0x16;
1289 else if(!strcmp(a, "packageinternal")) access=0x17;
1290 else if(!strcmp(a, "protected")) access=0x18;
1291 else if(!strcmp(a, "explicit")) access=0x19;
1292 else if(!strcmp(a, "staticprotected")) access=0x1a;
1293 else if(!strcmp(a, "private")) access=0x05;
1295 fprintf(stderr, "Undefined access level: [%s]\n", a);
1305 for(t=0;t<file->namespaces->num;t++) {
1306 const char*name2 = dict_getstr(file->namespaces, t);
1307 U8 access2 = (U8)(int)dict_getdata(file->namespaces, t);
1308 if(access == access2 && !strcmp(name, name2)) {
1312 dict_update(file->strings, name, 0);
1313 return dict_append(file->namespaces, name, (void*)(int)access);
1315 int abc_RegisterNameSpace(abc_file_t*file, char*name) {
1316 return registerNameSpace(file, 0x08, name);
1318 int abc_RegisterPackageNameSpace(abc_file_t*file, char*name) {
1319 return registerNameSpace(file, 0x16 , name);
1321 int abc_RegisterPackageInternalNameSpace(abc_file_t*file, char*name) {
1322 return registerNameSpace(file, 0x17, name);
1324 int abc_RegisterProtectedNameSpace(abc_file_t*file, char*name) {
1325 return registerNameSpace(file, 0x18, name);
1327 int abc_RegisterExplicitNameSpace(abc_file_t*file, char*name) {
1328 return registerNameSpace(file, 0x19, name);
1330 int abc_RegisterStaticProtectedNameSpace(abc_file_t*file, char*name) {
1331 return registerNameSpace(file, 0x1a, name);
1333 int abc_RegisterPrivateNameSpace(abc_file_t*file, char*name) {
1334 return registerNameSpace(file, 0x05, name);
1336 static int multiname_index(abc_file_t*abc, const char*name2)
1340 int pos = dict_find(abc->multinames, name2);
1345 char*n = strdup(name2);
1346 char*p = strchr(n, ':');
1347 char*namespace=0,*name=0;
1356 abc_multiname_t*m = malloc(sizeof(abc_multiname_t));
1357 m->namespace_index = registerNameSpace(abc, 0, namespace);
1358 m->name_index = dict_append_if_new(abc->strings, name, 0);
1359 return dict_append(abc->multinames, name2, m);
1362 abc_class_t* abc_NewClass(abc_file_t*abc, char*classname, char*superclass) {
1363 abc_class_t* c = malloc(sizeof(abc_class_t));
1364 memset(c, 0, sizeof(abc_class_t));
1365 c->index = dict_append(abc->classes, 0, c);
1367 c->name = strdup(classname);
1368 c->classname_index = multiname_index(abc, classname);
1369 c->superclass_index = multiname_index(abc, superclass);
1370 c->ns_index = abc_RegisterProtectedNameSpace(abc, classname);
1374 c->traits = dict_new();
1378 abc_code_t* add_method(abc_file_t*abc, abc_class_t*cls, char*returntype, char*name, int num_params, va_list va)
1380 /* construct code (method body) object */
1381 abc_code_t* c = malloc(sizeof(abc_code_t));
1382 memset(c, 0, sizeof(abc_code_t));
1383 c->index = dict_append(abc->method_bodies, 0, c);
1384 c->tag = swf_InsertTag(0,0);
1386 c->traits = dict_new();
1388 /* construct method object */
1389 abc_method_t* m = malloc(sizeof(abc_method_t));
1390 memset(m, 0, sizeof(abc_method_t));
1391 m->param_count = num_params;
1392 m->index = dict_append(abc->methods, 0, m);
1394 m->return_type_index = multiname_index(abc, returntype);
1396 m->return_type_index = 0;
1397 if(num_params>sizeof(m->params)/sizeof(m->params[0])) {
1398 fprintf(stderr, "abc: Too many parameters\n");
1402 for(t=0;t<num_params;t++) {
1403 const char*param = va_arg(va, const char*);
1404 m->params[t] = multiname_index(abc, param);
1407 /* crosslink the two objects */
1408 m->method_body_index = c->index;
1414 abc_code_t* abc_AddConstructor(abc_class_t*cls, char*returntype, int num_params, ...)
1417 va_start(va, num_params);
1418 abc_code_t* c = add_method(cls->abc, cls, returntype, 0, num_params, va);
1420 cls->iinit = c->index;
1424 abc_code_t* abc_AddStaticConstructor(abc_class_t*cls, char*returntype, int num_params, ...)
1427 va_start(va, num_params);
1428 abc_code_t* c = add_method(cls->abc, cls, returntype, 0, num_params, va);
1430 cls->cinit = c->index;
1434 abc_trait_t*trait_new(int type, int name_index, int data1, int data2, int vindex, int vkind)
1436 abc_trait_t*trait = malloc(sizeof(abc_trait_t));
1437 memset(trait, 0, sizeof(abc_trait_t));
1439 trait->name_index = name_index;
1440 trait->data1 = data1;
1441 trait->data2 = data2;
1442 trait->vindex = vindex;
1443 trait->vkind = vkind;
1447 abc_code_t* abc_AddMethod(abc_class_t*cls, char*returntype, char*name, int num_params, ...)
1449 abc_file_t*abc = cls->abc;
1451 va_start(va, num_params);
1452 abc_code_t* c = add_method(cls->abc, cls, returntype, name, num_params, va);
1454 dict_append(cls->traits, 0, trait_new(TRAIT_METHOD, multiname_index(abc, name), 0, c->method->index, 0, 0));
1458 void abc_AddSlot(abc_class_t*cls, char*name, int slot, char*multiname)
1460 abc_file_t*abc = cls->abc;
1461 int i = multiname_index(abc, name);
1462 dict_append(cls->traits, 0, trait_new(TRAIT_SLOT, i, slot, multiname_index(abc, multiname), 0, 0));
1465 void abc_code_addClassTrait(abc_code_t*code, char*multiname, int slotid, abc_class_t*cls)
1467 abc_file_t*abc = code->abc;
1468 int i = multiname_index(abc, multiname);
1469 abc_trait_t*trait = trait_new(TRAIT_CLASS, i, slotid, cls->index, 0, 0);
1470 dict_append(code->traits, 0, trait);
1473 abc_code_t* abc_AddInitScript(abc_file_t*abc, char*returntype, int num_params, ...)
1476 va_start(va, num_params);
1477 abc_code_t* c = add_method(abc, 0, returntype, 0, num_params, va);
1478 dict_append(abc->scripts, 0, c);
1483 void swf_SetU30(TAG*tag, U32 u)
1486 swf_SetU8(tag, (u&~0x7f?0x80:0) | (u&0x7F));
1490 void swf_SetU30String(TAG*tag, const char*str)
1492 int l = strlen(str);
1494 swf_SetBlock(tag, (void*)str, l);
1497 static void write_traits(abc_file_t*abc, TAG*tag, dict_t*traits)
1499 swf_SetU30(tag, traits->num);
1502 for(s=0;s<traits->num;s++) {
1503 abc_trait_t*trait = (abc_trait_t*)dict_getdata(traits, s);
1504 swf_SetU30(tag, trait->name_index);
1505 swf_SetU8(tag, trait->type);
1506 swf_SetU30(tag, trait->data1);
1507 swf_SetU30(tag, trait->data2);
1508 if(trait->type == 0) { //slot
1509 swf_SetU30(tag, trait->vindex);
1511 swf_SetU8(tag, trait->vkind);
1517 void swf_WriteABC(TAG*tag, abc_file_t*abc)
1521 swf_SetU16(tag, 0x10);
1522 swf_SetU16(tag, 0x2e);
1523 swf_SetU30(tag, abc->ints->num>1?abc->ints->num:0);
1525 swf_SetU30(tag, abc->uints->num>1?abc->uints->num:0);
1527 swf_SetU30(tag, abc->floats->num>1?abc->floats->num:0);
1529 swf_SetU30(tag, abc->strings->num>1?abc->strings->num:0);
1531 for(t=1;t<abc->strings->num;t++) {
1532 swf_SetU30String(tag, dict_getstr(abc->strings, t));
1534 swf_SetU30(tag, abc->namespaces->num>1?abc->namespaces->num:0);
1535 for(t=1;t<abc->namespaces->num;t++) {
1536 U8 type = (U8)(int)dict_getdata(abc->namespaces, t);
1537 const char*name = dict_getstr(abc->namespaces, t);
1538 int i = dict_find(abc->strings, name);
1540 fprintf(stderr, "Couldn't find namespace \"%s\" in constant pool\n", name);
1543 swf_SetU8(tag, type);
1546 swf_SetU30(tag, abc->sets->num>1?abc->sets->num:0);
1549 swf_SetU30(tag, abc->multinames->num>1?abc->multinames->num:0);
1551 for(t=1;t<abc->multinames->num;t++) {
1552 abc_multiname_t*m = (abc_multiname_t*)dict_getdata(abc->multinames, t);
1553 swf_SetU8(tag, 0x07);
1554 swf_SetU30(tag, m->namespace_index);
1555 swf_SetU30(tag, m->name_index);
1558 swf_SetU30(tag, abc->methods->num);
1559 for(t=0;t<abc->methods->num;t++) {
1560 abc_method_t*m = (abc_method_t*)dict_getdata(abc->methods, t);
1561 swf_SetU30(tag, m->param_count);
1562 swf_SetU30(tag, m->return_type_index);
1564 for(s=0;s<m->param_count;s++) {
1565 swf_SetU30(tag, m->params[s]);
1567 swf_SetU30(tag, 0); // name
1568 swf_SetU8(tag, 0); //flags
1571 swf_SetU30(tag, 0);//metadata
1573 swf_SetU30(tag, abc->classes->num);
1575 for(t=0;t<abc->classes->num;t++) {
1576 abc_class_t*c = (abc_class_t*)dict_getdata(abc->classes, t);
1577 swf_SetU30(tag, c->classname_index);
1578 swf_SetU30(tag, c->superclass_index);
1580 swf_SetU8(tag, 8); // flags
1581 swf_SetU30(tag, c->ns_index);
1583 swf_SetU30(tag, 0); // no interfaces
1585 fprintf(stderr, "Error: Class %s has no constructor\n", c->name);
1588 swf_SetU30(tag, c->iinit);
1589 write_traits(abc, tag, c->traits);
1591 for(t=0;t<abc->classes->num;t++) {
1592 abc_class_t*c = (abc_class_t*)dict_getdata(abc->classes, t);
1594 fprintf(stderr, "Error: Class %s has no constructor\n", c->name);
1597 swf_SetU30(tag, c->cinit);
1598 swf_SetU30(tag, 0); // no traits
1601 swf_SetU30(tag, abc->scripts->num);
1602 for(t=0;t<abc->scripts->num;t++) {
1603 abc_code_t*c = (abc_code_t*)dict_getdata(abc->scripts, t);
1604 swf_SetU30(tag, c->index); //!=t!
1605 write_traits(abc, tag, c->traits);
1608 swf_SetU30(tag, abc->method_bodies->num);
1609 for(t=0;t<abc->method_bodies->num;t++) {
1610 abc_code_t*c = (abc_code_t*)dict_getdata(abc->method_bodies, t);
1611 abc_method_t*m = c->method;
1612 swf_SetU30(tag, m->index);
1613 swf_SetU30(tag, c->max_stack);
1614 swf_SetU30(tag, c->local_count);
1615 swf_SetU30(tag, c->init_scope_depth);
1616 swf_SetU30(tag, c->max_scope_depth);
1617 swf_SetU30(tag, c->tag->len);
1618 swf_SetBlock(tag, c->tag->data, c->tag->len);
1619 swf_SetU30(tag, c->exception_count);
1620 swf_SetU8(tag, 0); // no traits
1624 #include "swfabc_ops.c"
1626 void swf_AddButtonLinks(TAG*tag)
1628 abc_file_t*abc = abc_file_new();
1631 abc_class_t*maintimeline = abc_NewClass(abc, "buttonmitlink_fla:MainTimeline", "flash.display:MovieClip");
1633 c = abc_AddStaticConstructor(maintimeline, 0, 0);
1636 c->init_scope_depth = 9;
1637 c->max_scope_depth = 10;
1642 c = abc_AddMethod(maintimeline, 0, "[packageinternal]buttonmitlink_fla:frame1", 0);
1645 c->init_scope_depth = 10;
1646 c->max_scope_depth = 11;
1651 abc_AddSlot(maintimeline, ":MyButton1", 0, "flash.display:SimpleButton");
1652 abc_AddSlot(maintimeline, ":MyButton2", 0, "flash.display:SimpleButton");
1654 c = abc_AddMethod(maintimeline, ":void", ":gotoPage2", 1, "flash.events:MouseEvent");
1657 c->init_scope_depth = 10;
1658 c->max_scope_depth = 11;
1661 abc_findpropstrict(c, "flash.net:navigateToURL");
1662 abc_findpropstrict(c, "flash.net:URLRequest");
1663 abc_pushstring(c, "http://www.quiss.org");
1664 abc_constructprop(c, "flash.net:URLRequest", 1);
1665 abc_callpropvoid(c, "flash.net:navigateToURL", 1);
1668 c = abc_AddMethod(maintimeline, ":void", ":gotoPage1", 1, "flash.events:MouseEvent");
1671 c->init_scope_depth = 10;
1672 c->max_scope_depth = 11;
1675 abc_findpropstrict(c,"flash.net:navigateToURL");
1676 abc_findpropstrict(c,"flash.net:URLRequest");
1677 abc_pushstring(c,"http://www.google.com/");
1678 abc_constructprop(c,"flash.net:URLRequest", 1);
1679 abc_callpropvoid(c,"flash.net:navigateToURL", 1);
1682 c = abc_AddConstructor(maintimeline, 0, 0);
1685 c->init_scope_depth = 10;
1686 c->max_scope_depth = 11;
1692 abc_constructsuper(c,0);
1693 abc_findpropstrict(c,":addFrameScript");
1694 abc_pushbyte(c,0x00);
1695 abc_getlex(c,"[packageinternal]buttonmitlink_fla:frame1");
1696 abc_callpropvoid(c,":addFrameScript",2);
1698 abc_getlex(c,":MyButton1");
1699 abc_getlex(c,"flash.events:MouseEvent");
1700 abc_getproperty(c, ":CLICK");
1701 abc_getlex(c, ":gotoPage1");
1702 abc_callpropvoid(c, ":addEventListener" ,2);
1704 abc_getlex(c,":MyButton2");
1705 abc_getlex(c,"flash.events:MouseEvent");
1706 abc_getproperty(c, ":CLICK");
1707 abc_getlex(c,":gotoPage2");
1708 abc_callpropvoid(c,":addEventListener",2);
1712 c = abc_AddInitScript(abc, 0, 0);
1715 c->init_scope_depth = 1;
1716 c->max_scope_depth = 9;
1719 abc_getscopeobject(c, 0);
1720 abc_getlex(c,":Object");
1722 abc_getlex(c,"flash.events:EventDispatcher");
1724 abc_getlex(c,"flash.display:DisplayObject");
1726 abc_getlex(c,"flash.display:InteractiveObject");
1728 abc_getlex(c,"flash.display:DisplayObjectContainer");
1730 abc_getlex(c,"flash.display:Sprite");
1732 abc_getlex(c,"flash.display:MovieClip");
1734 abc_getlex(c,"flash.display:MovieClip");
1735 abc_newclass(c,maintimeline);
1743 abc_initproperty(c,"buttonmitlink_fla:MainTimeline");
1746 abc_code_addClassTrait(c, "buttonmitlink_fla:MainTimeline", 1, maintimeline);
1748 swf_WriteABC(tag, abc);