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"},
653 {0x19, "ifstricteq", "j"},
654 {0x1a, "ifstrictne", "j"},
655 {0x11, "iftrue", "j"},
657 {0x92, "inclocal", "u"},
658 {0xc2, "inclocal_i", "u"},
659 {0x91, "increment", ""},
660 {0xc0, "increment_i", ""},
661 {0x68, "initproperty", "2"},
662 {0xb1, "instanceof", ""},
663 {0xb2, "istype", "2"},
664 {0xb3, "istypelate", ""},
668 {0xae, "lessequals", ""},
669 {0xad, "lessthan", ""},
670 {0x1b, "lookupswitch", "S"},
671 {0xa5, "lshift", ""},
672 {0xa4, "modulo", ""},
673 {0xa2, "multiply", ""},
674 {0xc7, "multiply_i", ""},
675 {0x90, "negate", ""},
676 {0xc4, "negate_i", ""},
677 {0x57, "newactivation", ""},
678 {0x56, "newarray", "u"},
679 {0x5a, "newcatch", "u"}, //index into exception_info
680 {0x58, "newclass", "c"}, //index into class_info
681 {0x40, "newfunction", "u"}, //index into method_info
682 {0x55, "newobject", "u"},
683 {0x1e, "nextname", ""},
684 {0x23, "nextvalue", ""},
688 {0x1d, "popscope", ""},
689 {0x24, "pushbyte", "b"},
690 {0x2f, "pushdouble", "u"}, //index into floats
691 {0x27, "pushfalse", ""},
692 {0x2d, "pushint", "u"}, //index into ints
693 {0x31, "pushnamespace", "u"}, //index into namespace
694 {0x28, "pushnan", ""},
695 {0x20, "pushnull", ""},
696 {0x30, "pushscope", ""},
697 {0x25, "pushshort", "u"},
698 {0x2c, "pushstring", "s"},
699 {0x26, "pushtrue", ""},
700 {0x2e, "pushuint", "u"}, //index into uints
701 {0x21, "pushundefined", ""},
702 {0x1c, "pushwith", ""},
703 {0x48, "returnvalue", ""},
704 {0x47, "returnvoid", ""},
705 {0xa6, "rshift", ""},
706 {0x63, "setlocal", "u"},
707 {0xd4, "setlocal_0", ""},
708 {0xd5, "setlocal_1", ""},
709 {0xd6, "setlocal_2", ""},
710 {0xd7, "setlocal_3", ""},
711 {0x6f, "setglobalshot", "u"},
712 {0x61, "setproperty", "2"},
713 {0x6d, "setslot", "u"},
714 {0x05, "setsuper", "2"},
715 {0xac, "strictequals", ""},
716 {0xa1, "subtract", ""},
717 {0xc6, "subtract_i", ""},
720 {0x95, "typeof", ""},
721 {0xa7, "urshift", ""},
725 int swf_GetU24(TAG*tag)
727 int b1 = swf_GetU8(tag);
728 int b2 = swf_GetU8(tag);
729 int b3 = swf_GetU8(tag);
730 return b3<<16|b2<<8|b1;
732 static int parse_code(TAG*tag, int len, abc_file_t*pool, char*prefix)
734 int end=tag->pos+len;
735 while(tag->pos<end) {
736 U8 opcode = swf_GetU8(tag);
739 for(t=0;t<sizeof(opcodes)/sizeof(opcodes[0]);t++) {
740 if(opcodes[t].opcode == opcode) {
741 printf("%s%s ", prefix, opcodes[t].name);
742 char*p = opcodes[t].params;
748 int n = swf_GetU30(tag);
749 printf("%d params", n);
750 } else if(*p == '2') {
751 const char* m = dict_getstr(pool->multinames, swf_GetU30(tag));
753 } else if(*p == 'm') {
754 int n = swf_GetU30(tag);
755 printf("[method%d]", n);
756 } else if(*p == 'c') {
757 int n = swf_GetU30(tag);
758 printf("[classinfo%d]", n);
759 } else if(*p == 'i') {
760 int n = swf_GetU30(tag);
761 printf("[methodbody%d]", n);
762 } else if(*p == 'u') {
763 int n = swf_GetU30(tag);
765 } else if(*p == 'b') {
766 int b = swf_GetU8(tag);
768 } else if(*p == 'j') {
769 printf("%d", swf_GetU24(tag));
770 } else if(*p == 's') {
771 const char*s = dict_getstr(pool->strings, swf_GetU30(tag));
773 } else if(*p == 'S') {
774 swf_GetU24(tag); //default
775 int num = swf_GetU30(tag)+1;
780 printf("Can't parse opcode param type \"%c\"\n", *p);
791 printf("Can't parse opcode %02x\n", opcode);
797 printf("Read beyond end of ABC Bytecode\n");
803 static void dump_method(const char*prefix, const char*type, const char*name, int nr, abc_file_t*pool)
805 if(nr >= pool->methods->num) {
806 printf("Invalid method number: %d\n", nr);
809 abc_method_t*m = (abc_method_t*)dict_getdata(pool->methods, nr);
810 printf("%s%s %s %s%s\n", prefix, type, dict_getstr(pool->multinames,m->return_type_index), name, m->paramstr);
812 abc_code_t*c = (abc_code_t*)dict_getdata(pool->method_bodies, m->method_body_index);
814 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);
816 swf_SetTagPos(c->tag, 0);
818 sprintf(prefix2, "%s ", prefix);
819 printf("%s{\n", prefix);
820 parse_code(c->tag, c->tag->len, pool,prefix2);
821 printf("%s}\n", prefix);
827 static void parse_metadata(TAG*tag, abc_file_t*pool)
830 int num_metadata = swf_GetU30(tag);
831 DEBUG printf("%d metadata\n");
832 for(t=0;t<num_metadata;t++) {
833 const char*name = dict_getstr(pool->strings, swf_GetU30(tag));
834 int num = swf_GetU30(tag);
836 DEBUG printf(" %s\n", name);
838 const char*key = dict_getstr(pool->strings, swf_GetU30(tag));
839 const char*value = dict_getstr(pool->strings, swf_GetU30(tag));
840 DEBUG printf(" %s=%s\n", key, value);
846 #define TRAIT_METHOD 1
847 #define TRAIT_GETTER 2
848 #define TRAIT_SETTER 3
849 #define TRAIT_CLASS 4
850 #define TRAIT_FUNCTION 5
851 static dict_t* parse_traits(char*prefix, TAG*tag, abc_file_t*pool, char print)
853 int num_traits = swf_GetU30(tag);
854 dict_t*traits = dict_new();
857 DEBUG printf("%d traits\n", num_traits);
859 for(t=0;t<num_traits;t++) {
860 abc_trait_t*trait = malloc(sizeof(abc_trait_t));
861 memset(trait, 0, sizeof(abc_trait_t));
862 dict_append(traits, 0, trait);
863 int name_index = swf_GetU30(tag);
864 const char*name = dict_getstr(pool->multinames, name_index);
865 U8 kind = swf_GetU8(tag);
866 U8 attributes = kind&0xf0;
868 DEBUG printf(" trait %d) %s type=%02x\n", t, name, kind);
869 if(kind == 1 || kind == 2 || kind == 3) { // method / getter / setter
870 int disp_id = swf_GetU30(tag);
871 int nr = swf_GetU30(tag);
872 DEBUG printf(" %smethod %d %d %s\n", prefix, nr, disp_id, ((abc_method_t*)dict_getdata(pool->methods, nr))->paramstr);
873 if(print) dump_method(prefix, kind==1?"method":(kind==2?"getter":"setter"), name, nr, pool);
874 } else if(kind == 5) { // function
875 int slot_id = swf_GetU30(tag);
876 int nr = swf_GetU30(tag);
877 if(print) dump_method(prefix, "function", name, nr, pool);
878 } else if(kind == 4) { // class
879 int slot_id = swf_GetU30(tag);
880 int cls = swf_GetU30(tag);
881 if(print) printf(" %sclass %s %d %d\n", prefix, name, slot_id, cls);
882 } else if(kind == 0 || kind == 6) { // slot, const
883 int slot_id = swf_GetU30(tag);
884 const char*type_name = dict_getstr(pool->multinames, swf_GetU30(tag));
885 int vindex = swf_GetU30(tag);
887 U8 vkind = swf_GetU8(tag);
889 if(print) printf(" %sslot %s %d %s (vindex=%d)\n", prefix, name, slot_id, type_name, vindex);
891 printf(" can't parse trait type %d\n", kind);
894 if(attributes&0x40) {
895 int num = swf_GetU30(tag);
898 swf_GetU30(tag); //index into metadata array
905 void swf_CopyData(TAG*to, TAG*from, int len)
907 unsigned char*data = malloc(len);
908 swf_GetBlock(from, data, len);
909 swf_SetBlock(to, data, len);
913 abc_file_t*abc_file_new()
915 abc_file_t*f = malloc(sizeof(abc_file_t));
916 memset(f, 0, sizeof(abc_file_t));
918 f->ints = dict_new();
919 dict_append(f->ints, 0, (void*)0);
920 f->uints = dict_new();
921 dict_append(f->uints, 0, (void*)0);
922 f->floats = dict_new();
923 dict_append(f->floats, 0, 0);
924 f->strings = dict_new();
925 dict_append(f->strings, "--<UNDEFINED>--", 0);
926 f->namespaces = dict_new();
927 dict_append(f->namespaces, "--<UNDEFINED>--", 0);
928 f->namespace_sets = dict_new();
929 dict_append(f->namespace_sets, "--<UNDEFINED>--", 0);
930 f->sets = dict_new();
931 dict_append(f->sets, "--<UNDEFINED>--", 0);
932 f->multinames = dict_new();
933 dict_append(f->multinames, "--<UNDEFINED>--", 0);
937 f->methods = dict_new();
938 f->classes = dict_new();
939 f->scripts = dict_new();
940 f->method_bodies = dict_new();
945 static char* access2str(int type)
947 if(type==0x08) return "";
948 else if(type==0x16) return "package";
949 else if(type==0x17) return "packageinternal";
950 else if(type==0x18) return "protected";
951 else if(type==0x19) return "explicit";
952 else if(type==0x1A) return "staticprotected";
953 else if(type==0x05) return "private";
954 else return "undefined";
957 void swf_DissassembleABC(TAG*tag)
959 abc_file_t* pool = abc_file_new();
961 swf_SetTagPos(tag, 0);
962 U32 flags = swf_GetU32(tag);
964 DEBUG printf("flags=%08x\n", flags);
965 char*classname = swf_GetString(tag);
966 U32 version = swf_GetU32(tag);
967 if(version!=0x002e0010) {
968 fprintf(stderr, "Warning: unknown AVM2 version %08x\n", version);
971 int num_ints = swf_GetU30(tag);
972 DEBUG printf("%d ints\n", num_ints);
973 for(t=1;t<num_ints;t++) {
974 S32 v = swf_GetU30(tag);
975 DEBUG printf("int %d) %d\n", t, v);
976 dict_append(pool->ints, 0, (void*)v);
979 int num_uints = swf_GetU30(tag);
980 DEBUG printf("%d uints\n", num_uints);
981 for(t=1;t<num_uints;t++) {
982 U32 v = swf_GetS30(tag);
983 DEBUG printf("uint %d) %d\n", t, v);
984 dict_append(pool->uints, 0, (void*)v);
987 int num_floats = swf_GetU30(tag);
988 DEBUG printf("%d floats\n", num_floats);
989 for(t=1;t<num_floats;t++) {
990 double d = swf_GetD64(tag);
991 DEBUG printf("float %d) %f\n", t, d);
992 dict_append(pool->floats, 0, 0);
995 int num_strings = swf_GetU30(tag);
996 DEBUG printf("%d strings\n", num_strings);
997 for(t=1;t<num_strings;t++) {
998 int len = swf_GetU30(tag);
999 char*s = malloc(len+1);
1000 swf_GetBlock(tag, s, len);
1002 dict_append(pool->strings, s, 0);
1003 DEBUG printf("%d) \"%s\"\n", t, pool->strings->d[t].name);
1005 int num_namespaces = swf_GetU30(tag);
1006 DEBUG printf("%d namespaces\n", num_namespaces);
1007 for(t=1;t<num_namespaces;t++) {
1008 U8 type = swf_GetU8(tag);
1009 int namenr = swf_GetU30(tag);
1010 const char*name = dict_getstr(pool->strings, namenr);
1011 dict_append(pool->namespaces, name, (void*)(int)type);
1015 if(type==0x08) printf("Namespace %s\n", name);
1016 else if(type==0x16) printf("PackageNamespace %s\n", name);
1017 else if(type==0x17) printf("PackageInternalNs %s\n", name);
1018 else if(type==0x18) printf("ProtectedNamespace %s\n", name);
1019 else if(type==0x19) printf("ExplicitNamespace %s\n", name);
1020 else if(type==0x1A) printf("StaticProtectedNs %s\n", name);
1021 else if(type==0x05) printf("PrivateNs %s\n", name);
1023 printf("Undefined namespace type\n");
1028 int num_sets = swf_GetU30(tag);
1029 DEBUG printf("%d namespace sets\n", num_namespaces);
1030 for(t=1;t<num_sets;t++) {
1031 int count = swf_GetU30(tag);
1033 const char**name = malloc(sizeof(const char*)*count);
1035 for(s=0;s<count;s++) {
1036 int nsnr = swf_GetU30(tag);
1037 name[s] = dict_getstr(pool->namespaces, nsnr);
1038 l += strlen(name[s])+1;
1040 char*desc = malloc(l+16);
1042 for(s=0;s<count;s++) {
1043 strcat(desc, name[s]);
1047 dict_append(pool->namespace_sets, desc, 0);
1048 DEBUG printf("set %d) %s\n", t, desc);
1051 int num_multinames = swf_GetU30(tag);
1052 DEBUG printf("%d multinames\n", num_multinames);
1053 for(t=1;t<num_multinames;t++) {
1054 U8 type = swf_GetU8(tag);
1056 if(type==0x07 || type==0x0d) {
1057 int nr1 = swf_GetU30(tag);
1058 const char*namespace = dict_getstr(pool->namespaces, nr1);
1059 U8 access = (U8)(int)dict_getdata(pool->namespaces, nr1);
1060 const char*methodname = dict_getstr(pool->strings, swf_GetU30(tag));
1061 DEBUG printf("multiname %d) <%s> %s:%s\n", t, access2str(access), namespace, methodname);
1062 mname = malloc(strlen(namespace)+strlen(methodname)+300);
1063 sprintf(mname, "[%s]\0", access2str(access));
1064 strcat(mname, namespace);
1066 strcat(mname, methodname);
1067 } else if(type==0x0f || type==0x10) {
1068 const char*methodname = dict_getstr(pool->strings, swf_GetU30(tag));
1069 mname = strdup(methodname);
1070 } else if(type==0x11 || type==0x12) {
1072 } else if(type==0x09 || type==0x0e) {
1073 const char*methodname = dict_getstr(pool->strings, swf_GetU30(tag));
1074 const char*namespace = dict_getstr(pool->namespace_sets, swf_GetU30(tag));
1075 DEBUG printf("multiname %d) %s:%s\n", t, namespace, methodname);
1076 mname = malloc(strlen(namespace)+strlen(methodname)+16);
1077 strcpy(mname, namespace);
1079 strcat(mname, methodname);
1080 } else if(type==0x1b || type==0x1c) {
1081 const char*nsset = dict_getstr(pool->namespace_sets, swf_GetU30(tag));
1082 mname = strdup(nsset);
1084 printf("can't parse type %d multinames yet\n", type);
1087 dict_append(pool->multinames, mname, 0);
1091 int num_methods = swf_GetU30(tag);
1092 DEBUG printf("%d methods\n", num_methods);
1093 for(t=0;t<num_methods;t++) {
1094 abc_method_t*m = malloc(sizeof(abc_method_t));
1095 memset(m, 0, sizeof(*m));
1096 m->param_count = swf_GetU30(tag);
1097 m->return_type_index = swf_GetU30(tag);
1100 int params_len = 256;
1101 char* params = malloc(params_len);
1104 for(s=0;s<m->param_count;s++) {
1105 int typenr = swf_GetU30(tag);
1106 if(s < sizeof(m->params)/sizeof(m->params[0]))
1107 m->params[s] = typenr;
1108 const char*type = dict_getstr(pool->multinames, typenr);
1109 while(strlen(type)+strlen(params)>params_len-4) {
1111 params = realloc(params, params_len);
1114 strcat(params, ", ");
1115 strcat(params, type);
1117 strcat(params, ")");
1118 int namenr = swf_GetU30(tag);
1121 m->name = dict_getstr(pool->strings, namenr);
1122 m->paramstr=strdup(params);
1123 free(params);params = 0;
1125 m->flags = swf_GetU8(tag);
1127 DEBUG printf("method %d) %s flags=%02x\n", t, m->paramstr, m->flags);
1130 /* optional parameters */
1131 int num = swf_GetU30(tag);
1133 for(s=0;s<num;s++) {
1134 int val = swf_GetU30(tag);
1135 U8 kind = swf_GetU8(tag); // specifies index type for "val"
1139 printf("can't parse param names yet\n");
1142 dict_append(pool->methods, m->name, m);
1145 parse_metadata(tag, pool);
1147 /* skip classes, and scripts for now, and do the real parsing later */
1148 int num_classes = swf_GetU30(tag);
1149 int classes_pos = tag->pos;
1150 DEBUG printf("%d classes\n", num_classes);
1151 for(t=0;t<num_classes;t++) {
1152 DEBUG printf("class %d\n", t);
1153 swf_GetU30(tag); //classname
1154 swf_GetU30(tag); //supername
1155 U8 flags = swf_GetU8(tag);
1157 swf_GetU30(tag); //protectedNS
1158 int inum = swf_GetU30(tag); //interface count
1160 for(s=0;s<inum;s++) {
1161 const char*interface = dict_getstr(pool->multinames, swf_GetU30(tag));
1162 DEBUG printf(" class %d interface: %s\n", t, interface);
1164 swf_GetU30(tag); //iinit
1165 if(!parse_traits("", tag, pool, 0))
1168 for(t=0;t<num_classes;t++) {
1169 swf_GetU30(tag); //cinit
1170 if(!parse_traits("", tag, pool, 0))
1173 int num_scripts = swf_GetU30(tag);
1174 DEBUG printf("%d scripts\n", num_scripts);
1175 for(t=0;t<num_scripts;t++) {
1176 int init = swf_GetU30(tag);
1177 if(!parse_traits("", tag, pool, 0))
1181 int num_method_bodies = swf_GetU30(tag);
1182 DEBUG printf("%d method bodies\n", num_method_bodies);
1183 for(t=0;t<num_method_bodies;t++) {
1184 int methodnr = swf_GetU30(tag);
1185 if(methodnr >= pool->methods->num) {
1186 printf("Invalid method number: %d\n", methodnr);
1189 abc_method_t*m = (abc_method_t*)dict_getdata(pool->methods, methodnr);
1190 abc_code_t*c = malloc(sizeof(abc_code_t));
1191 memset(c, 0, sizeof(abc_code_t));
1192 c->max_stack = swf_GetU30(tag);
1193 c->local_count = swf_GetU30(tag);
1194 c->init_scope_depth = swf_GetU30(tag);
1195 c->max_scope_depth = swf_GetU30(tag);
1196 int code_length = swf_GetU30(tag);
1198 m->method_body_index = t;
1200 c->tag = swf_InsertTag(0,0);
1202 swf_CopyData(c->tag, tag, code_length);
1204 int exception_count = swf_GetU30(tag);
1206 for(s=0;s<exception_count;s++) {
1207 swf_GetU30(tag); //from
1208 swf_GetU30(tag); //to
1209 swf_GetU30(tag); //target
1210 swf_GetU30(tag); //exc_type
1211 swf_GetU30(tag); //var_name
1213 c->traits = parse_traits("<method body trait>", tag, pool, 1);
1217 DEBUG printf("method_body %d) (method %d), %d bytes of code", t, methodnr, code_length);
1218 int r,l = code_length>32?32:code_length;
1220 DEBUG printf("%02x ", c->tag->data[r]);
1224 dict_append(pool->method_bodies, 0, c);
1226 if(tag->len - tag->pos) {
1227 printf("%d unparsed bytes remaining in ABC block\n", tag->len - tag->pos);
1231 swf_SetTagPos(tag, classes_pos);
1232 for(t=0;t<num_classes;t++) {
1233 abc_class_t*cls = malloc(sizeof(abc_class_t));
1234 memset(cls, 0, sizeof(abc_class_t));
1235 const char* classname = dict_getstr(pool->multinames, swf_GetU30(tag));
1236 const char* supername = dict_getstr(pool->multinames, swf_GetU30(tag));
1237 cls->name = classname;
1238 U8 flags = swf_GetU8(tag);
1241 cls->ns_index = swf_GetU30(tag);
1242 ns = dict_getstr(pool->namespaces, cls->ns_index);
1244 printf("class %s extends %s, %s, flags=%02x\n", classname, supername, ns, flags);
1247 int num_interfaces = swf_GetU30(tag); //interface count
1249 for(s=0;s<num_interfaces;s++) {
1250 swf_GetU30(tag); // multiname index TODO
1252 cls->iinit = swf_GetU30(tag);
1253 dump_method(" ","constructor", classname, cls->iinit, pool);
1254 cls->traits = parse_traits(" ",tag, pool, 1);
1259 dict_append(pool->classes, 0, cls);
1261 for(t=0;t<num_classes;t++) {
1262 int cinit = swf_GetU30(tag);
1263 dump_method(" ","staticconstructor", "", cinit, pool);
1264 if(!parse_traits(" ",tag, pool, 1))
1267 int num_scripts2 = swf_GetU30(tag);
1269 for(t=0;t<num_scripts2;t++) {
1270 int init = swf_GetU30(tag);
1271 dump_method("","initmethod", "init", init, pool);
1272 if(!parse_traits("", tag, pool, 1))
1277 static int registerNameSpace(abc_file_t*file, U8 access, char*name) {
1278 if(access==0) { // autodetect access
1279 char*n = strdup(name);
1281 char*bracket = strchr(n, ']');
1285 name += (bracket-n)+1;
1286 if(!strcmp(a, "")) access=0x16;
1287 else if(!strcmp(a, "package")) access=0x16;
1288 else if(!strcmp(a, "packageinternal")) access=0x17;
1289 else if(!strcmp(a, "protected")) access=0x18;
1290 else if(!strcmp(a, "explicit")) access=0x19;
1291 else if(!strcmp(a, "staticprotected")) access=0x1a;
1292 else if(!strcmp(a, "private")) access=0x05;
1294 fprintf(stderr, "Undefined access level: [%s]\n", a);
1304 for(t=0;t<file->namespaces->num;t++) {
1305 const char*name2 = dict_getstr(file->namespaces, t);
1306 U8 access2 = (U8)(int)dict_getdata(file->namespaces, t);
1307 if(access == access2 && !strcmp(name, name2)) {
1311 dict_update(file->strings, name, 0);
1312 return dict_append(file->namespaces, name, (void*)(int)access);
1314 int abc_RegisterNameSpace(abc_file_t*file, char*name) {
1315 return registerNameSpace(file, 0x08, name);
1317 int abc_RegisterPackageNameSpace(abc_file_t*file, char*name) {
1318 return registerNameSpace(file, 0x16 , name);
1320 int abc_RegisterPackageInternalNameSpace(abc_file_t*file, char*name) {
1321 return registerNameSpace(file, 0x17, name);
1323 int abc_RegisterProtectedNameSpace(abc_file_t*file, char*name) {
1324 return registerNameSpace(file, 0x18, name);
1326 int abc_RegisterExplicitNameSpace(abc_file_t*file, char*name) {
1327 return registerNameSpace(file, 0x19, name);
1329 int abc_RegisterStaticProtectedNameSpace(abc_file_t*file, char*name) {
1330 return registerNameSpace(file, 0x1a, name);
1332 int abc_RegisterPrivateNameSpace(abc_file_t*file, char*name) {
1333 return registerNameSpace(file, 0x05, name);
1335 static int multiname_index(abc_file_t*abc, const char*name2)
1339 int pos = dict_find(abc->multinames, name2);
1344 char*n = strdup(name2);
1345 char*p = strchr(n, ':');
1346 char*namespace=0,*name=0;
1355 abc_multiname_t*m = malloc(sizeof(abc_multiname_t));
1356 m->namespace_index = registerNameSpace(abc, 0, namespace);
1357 m->name_index = dict_append_if_new(abc->strings, name, 0);
1358 return dict_append(abc->multinames, name2, m);
1361 abc_class_t* abc_NewClass(abc_file_t*abc, char*classname, char*superclass) {
1362 abc_class_t* c = malloc(sizeof(abc_class_t));
1363 memset(c, 0, sizeof(abc_class_t));
1364 c->index = dict_append(abc->classes, 0, c);
1366 c->name = strdup(classname);
1367 c->classname_index = multiname_index(abc, classname);
1368 c->superclass_index = multiname_index(abc, superclass);
1369 c->ns_index = abc_RegisterProtectedNameSpace(abc, classname);
1373 c->traits = dict_new();
1377 abc_code_t* add_method(abc_file_t*abc, abc_class_t*cls, char*returntype, char*name, int num_params, va_list va)
1379 /* construct code (method body) object */
1380 abc_code_t* c = malloc(sizeof(abc_code_t));
1381 memset(c, 0, sizeof(abc_code_t));
1382 c->index = dict_append(abc->method_bodies, 0, c);
1383 c->tag = swf_InsertTag(0,0);
1385 c->traits = dict_new();
1387 /* construct method object */
1388 abc_method_t* m = malloc(sizeof(abc_method_t));
1389 memset(m, 0, sizeof(abc_method_t));
1390 m->param_count = num_params;
1391 m->index = dict_append(abc->methods, 0, m);
1393 m->return_type_index = multiname_index(abc, returntype);
1395 m->return_type_index = 0;
1396 if(num_params>sizeof(m->params)/sizeof(m->params[0])) {
1397 fprintf(stderr, "abc: Too many parameters\n");
1401 for(t=0;t<num_params;t++) {
1402 const char*param = va_arg(va, const char*);
1403 m->params[t] = multiname_index(abc, param);
1406 /* crosslink the two objects */
1407 m->method_body_index = c->index;
1413 abc_code_t* abc_AddConstructor(abc_class_t*cls, char*returntype, int num_params, ...)
1416 va_start(va, num_params);
1417 abc_code_t* c = add_method(cls->abc, cls, returntype, 0, num_params, va);
1419 cls->iinit = c->index;
1423 abc_code_t* abc_AddStaticConstructor(abc_class_t*cls, char*returntype, int num_params, ...)
1426 va_start(va, num_params);
1427 abc_code_t* c = add_method(cls->abc, cls, returntype, 0, num_params, va);
1429 cls->cinit = c->index;
1433 abc_trait_t*trait_new(int type, int name_index, int data1, int data2, int vindex, int vkind)
1435 abc_trait_t*trait = malloc(sizeof(abc_trait_t));
1436 memset(trait, 0, sizeof(abc_trait_t));
1438 trait->name_index = name_index;
1439 trait->data1 = data1;
1440 trait->data2 = data2;
1441 trait->vindex = vindex;
1442 trait->vkind = vkind;
1446 abc_code_t* abc_AddMethod(abc_class_t*cls, char*returntype, char*name, int num_params, ...)
1448 abc_file_t*abc = cls->abc;
1450 va_start(va, num_params);
1451 abc_code_t* c = add_method(cls->abc, cls, returntype, name, num_params, va);
1453 dict_append(cls->traits, 0, trait_new(TRAIT_METHOD, multiname_index(abc, name), 0, c->method->index, 0, 0));
1457 void abc_AddSlot(abc_class_t*cls, char*name, int slot, char*multiname)
1459 abc_file_t*abc = cls->abc;
1460 int i = multiname_index(abc, name);
1461 dict_append(cls->traits, 0, trait_new(TRAIT_SLOT, i, slot, multiname_index(abc, multiname), 0, 0));
1464 void abc_code_addClassTrait(abc_code_t*code, char*multiname, int slotid, abc_class_t*cls)
1466 abc_file_t*abc = code->abc;
1467 int i = multiname_index(abc, multiname);
1468 abc_trait_t*trait = trait_new(TRAIT_CLASS, i, slotid, cls->index, 0, 0);
1469 dict_append(code->traits, 0, trait);
1472 abc_code_t* abc_AddInitScript(abc_file_t*abc, char*returntype, int num_params, ...)
1475 va_start(va, num_params);
1476 abc_code_t* c = add_method(abc, 0, returntype, 0, num_params, va);
1477 dict_append(abc->scripts, 0, c);
1482 void swf_SetU30(TAG*tag, U32 u)
1485 swf_SetU8(tag, (u&~0x7f?0x80:0) | (u&0x7F));
1489 void swf_SetU30String(TAG*tag, const char*str)
1491 int l = strlen(str);
1493 swf_SetBlock(tag, (void*)str, l);
1496 static void write_traits(abc_file_t*abc, TAG*tag, dict_t*traits)
1498 swf_SetU30(tag, traits->num);
1501 for(s=0;s<traits->num;s++) {
1502 abc_trait_t*trait = (abc_trait_t*)dict_getdata(traits, s);
1503 swf_SetU30(tag, trait->name_index);
1504 swf_SetU8(tag, trait->type);
1505 swf_SetU30(tag, trait->data1);
1506 swf_SetU30(tag, trait->data2);
1507 if(trait->type == 0) { //slot
1508 swf_SetU30(tag, trait->vindex);
1510 swf_SetU8(tag, trait->vkind);
1516 void swf_WriteABC(TAG*tag, abc_file_t*abc)
1520 swf_SetU16(tag, 0x10);
1521 swf_SetU16(tag, 0x2e);
1522 swf_SetU30(tag, abc->ints->num>1?abc->ints->num:0);
1524 swf_SetU30(tag, abc->uints->num>1?abc->uints->num:0);
1526 swf_SetU30(tag, abc->floats->num>1?abc->floats->num:0);
1528 swf_SetU30(tag, abc->strings->num>1?abc->strings->num:0);
1530 for(t=1;t<abc->strings->num;t++) {
1531 swf_SetU30String(tag, dict_getstr(abc->strings, t));
1533 swf_SetU30(tag, abc->namespaces->num>1?abc->namespaces->num:0);
1534 for(t=1;t<abc->namespaces->num;t++) {
1535 U8 type = (U8)(int)dict_getdata(abc->namespaces, t);
1536 const char*name = dict_getstr(abc->namespaces, t);
1537 int i = dict_find(abc->strings, name);
1539 fprintf(stderr, "Couldn't find namespace \"%s\" in constant pool\n", name);
1542 swf_SetU8(tag, type);
1545 swf_SetU30(tag, abc->sets->num>1?abc->sets->num:0);
1548 swf_SetU30(tag, abc->multinames->num>1?abc->multinames->num:0);
1550 for(t=1;t<abc->multinames->num;t++) {
1551 abc_multiname_t*m = (abc_multiname_t*)dict_getdata(abc->multinames, t);
1552 swf_SetU8(tag, 0x07);
1553 swf_SetU30(tag, m->namespace_index);
1554 swf_SetU30(tag, m->name_index);
1557 swf_SetU30(tag, abc->methods->num);
1558 for(t=0;t<abc->methods->num;t++) {
1559 abc_method_t*m = (abc_method_t*)dict_getdata(abc->methods, t);
1560 swf_SetU30(tag, m->param_count);
1561 swf_SetU30(tag, m->return_type_index);
1563 for(s=0;s<m->param_count;s++) {
1564 swf_SetU30(tag, m->params[s]);
1566 swf_SetU30(tag, 0); // name
1567 swf_SetU8(tag, 0); //flags
1570 swf_SetU30(tag, 0);//metadata
1572 swf_SetU30(tag, abc->classes->num);
1574 for(t=0;t<abc->classes->num;t++) {
1575 abc_class_t*c = (abc_class_t*)dict_getdata(abc->classes, t);
1576 swf_SetU30(tag, c->classname_index);
1577 swf_SetU30(tag, c->superclass_index);
1579 swf_SetU8(tag, 8); // flags
1580 swf_SetU30(tag, c->ns_index);
1582 swf_SetU30(tag, 0); // no interfaces
1584 fprintf(stderr, "Error: Class %s has no constructor\n", c->name);
1587 swf_SetU30(tag, c->iinit);
1588 write_traits(abc, tag, c->traits);
1590 for(t=0;t<abc->classes->num;t++) {
1591 abc_class_t*c = (abc_class_t*)dict_getdata(abc->classes, t);
1593 fprintf(stderr, "Error: Class %s has no constructor\n", c->name);
1596 swf_SetU30(tag, c->cinit);
1597 swf_SetU30(tag, 0); // no traits
1600 swf_SetU30(tag, abc->scripts->num);
1601 for(t=0;t<abc->scripts->num;t++) {
1602 abc_code_t*c = (abc_code_t*)dict_getdata(abc->scripts, t);
1603 swf_SetU30(tag, c->index); //!=t!
1604 write_traits(abc, tag, c->traits);
1607 swf_SetU30(tag, abc->method_bodies->num);
1608 for(t=0;t<abc->method_bodies->num;t++) {
1609 abc_code_t*c = (abc_code_t*)dict_getdata(abc->method_bodies, t);
1610 abc_method_t*m = c->method;
1611 swf_SetU30(tag, m->index);
1612 swf_SetU30(tag, c->max_stack);
1613 swf_SetU30(tag, c->local_count);
1614 swf_SetU30(tag, c->init_scope_depth);
1615 swf_SetU30(tag, c->max_scope_depth);
1616 swf_SetU30(tag, c->tag->len);
1617 swf_SetBlock(tag, c->tag->data, c->tag->len);
1618 swf_SetU30(tag, c->exception_count);
1619 swf_SetU8(tag, 0); // no traits
1623 #include "swfabc_ops.c"
1625 void swf_AddButtonLinks(TAG*tag)
1627 abc_file_t*abc = abc_file_new();
1630 abc_class_t*maintimeline = abc_NewClass(abc, "buttonmitlink_fla:MainTimeline", "flash.display:MovieClip");
1632 c = abc_AddStaticConstructor(maintimeline, 0, 0);
1635 c->init_scope_depth = 9;
1636 c->max_scope_depth = 10;
1641 c = abc_AddMethod(maintimeline, 0, "[packageinternal]buttonmitlink_fla:frame1", 0);
1644 c->init_scope_depth = 10;
1645 c->max_scope_depth = 11;
1650 abc_AddSlot(maintimeline, ":MyButton1", 0, "flash.display:SimpleButton");
1651 abc_AddSlot(maintimeline, ":MyButton2", 0, "flash.display:SimpleButton");
1653 c = abc_AddMethod(maintimeline, ":void", ":gotoPage2", 1, "flash.events:MouseEvent");
1656 c->init_scope_depth = 10;
1657 c->max_scope_depth = 11;
1660 abc_findpropstrict(c, "flash.net:navigateToURL");
1661 abc_findpropstrict(c, "flash.net:URLRequest");
1662 abc_pushstring(c, "http://www.quiss.org");
1663 abc_constructprop(c, "flash.net:URLRequest", 1);
1664 abc_callpropvoid(c, "flash.net:navigateToURL", 1);
1667 c = abc_AddMethod(maintimeline, ":void", ":gotoPage1", 1, "flash.events:MouseEvent");
1670 c->init_scope_depth = 10;
1671 c->max_scope_depth = 11;
1674 abc_findpropstrict(c,"flash.net:navigateToURL");
1675 abc_findpropstrict(c,"flash.net:URLRequest");
1676 abc_pushstring(c,"http://www.google.com/");
1677 abc_constructprop(c,"flash.net:URLRequest", 1);
1678 abc_callpropvoid(c,"flash.net:navigateToURL", 1);
1681 c = abc_AddConstructor(maintimeline, 0, 0);
1684 c->init_scope_depth = 10;
1685 c->max_scope_depth = 11;
1691 abc_constructsuper(c,0);
1692 abc_findpropstrict(c,":addFrameScript");
1693 abc_pushbyte(c,0x00);
1694 abc_getlex(c,"[packageinternal]buttonmitlink_fla:frame1");
1695 abc_callpropvoid(c,":addFrameScript",2);
1697 abc_getlex(c,":MyButton1");
1698 abc_getlex(c,"flash.events:MouseEvent");
1699 abc_getproperty(c, ":CLICK");
1700 abc_getlex(c, ":gotoPage1");
1701 abc_callpropvoid(c, ":addEventListener" ,2);
1703 abc_getlex(c,":MyButton2");
1704 abc_getlex(c,"flash.events:MouseEvent");
1705 abc_getproperty(c, ":CLICK");
1706 abc_getlex(c,":gotoPage2");
1707 abc_callpropvoid(c,":addEventListener",2);
1711 c = abc_AddInitScript(abc, 0, 0);
1714 c->init_scope_depth = 1;
1715 c->max_scope_depth = 9;
1718 abc_getscopeobject(c, 0);
1719 abc_getlex(c,":Object");
1721 abc_getlex(c,"flash.events:EventDispatcher");
1723 abc_getlex(c,"flash.display:DisplayObject");
1725 abc_getlex(c,"flash.display:InteractiveObject");
1727 abc_getlex(c,"flash.display:DisplayObjectContainer");
1729 abc_getlex(c,"flash.display:Sprite");
1731 abc_getlex(c,"flash.display:MovieClip");
1733 abc_getlex(c,"flash.display:MovieClip");
1734 abc_newclass(c,maintimeline);
1742 abc_initproperty(c,"buttonmitlink_fla:MainTimeline");
1745 abc_code_addClassTrait(c, "buttonmitlink_fla:MainTimeline", 1, maintimeline);
1747 swf_WriteABC(tag, abc);