3 Routines for compiling Flash2 AVM2 ABC Actionscript
5 Extension module for the rfxswf library.
6 Part of the swftools package.
8 Copyright (c) 2008 Matthias Kramm <kramm@quiss.org>
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
29 dict_t*registry_classes=0;
30 asset_bundle_list_t*assets=0;
32 // ----------------------- class signature ------------------------------
34 char slotinfo_equals(slotinfo_t*c1, slotinfo_t*c2)
38 /* notice: access right is *not* respected */
39 if(!strcmp(c1->name, c2->name) &&
40 !strcmp(c1->package, c2->package)) {
45 static unsigned int slotinfo_hash(slotinfo_t*c)
47 unsigned int hash = 0;
48 hash = crc32_add_string(hash, c->package);
49 hash = crc32_add_string(hash, c->name);
52 static unsigned int memberinfo_hash(slotinfo_t*c)
54 unsigned int hash = 0;
55 hash = crc32_add_string(hash, c->name);
59 static void* dummy_clone(void*other) {return other;}
60 static void dummy_destroy(slotinfo_t*c) {}
62 type_t slotinfo_type = {
63 hash: (hash_func)slotinfo_hash,
64 equals: (equals_func)slotinfo_equals,
65 dup: (dup_func)dummy_clone, // all signatures are static
66 free: (free_func)dummy_destroy,
68 type_t memberinfo_type = {
69 hash: (hash_func)memberinfo_hash,
70 equals: (equals_func)slotinfo_equals,
71 dup: (dup_func)dummy_clone, // all signatures are static
72 free: (free_func)dummy_destroy,
75 // ----------------------- assets -------------------------------------
76 void registry_use(slotinfo_t*s)
79 if(!(s->flags&FLAG_USED)) {
80 s->flags |= FLAG_USED;
81 if(s->kind == INFOTYPE_CLASS) {
82 classinfo_t*c=(classinfo_t*)s;
83 if(c->assets) c->assets->used = 1;
85 while(c->interfaces[t]) {
86 registry_use((slotinfo_t*)c->interfaces[t]);
89 while(c->superclass) {
91 registry_use((slotinfo_t*)c);
93 } else if(s->kind == INFOTYPE_METHOD) {
94 methodinfo_t*m=(methodinfo_t*)s;
96 registry_use((slotinfo_t*)m->parent);
98 } else if(s->kind == INFOTYPE_VAR) {
99 varinfo_t*v=(varinfo_t*)s;
101 registry_use((slotinfo_t*)v->parent);
106 void registry_add_asset(asset_bundle_t*bundle)
108 list_append(assets, bundle);
110 asset_bundle_list_t*registry_getassets()
114 // ----------------------- resolving ----------------------------------
115 slotinfo_t* registry_resolve(slotinfo_t*_s)
117 if(!_s || _s->kind != INFOTYPE_UNRESOLVED)
119 unresolvedinfo_t*s = (unresolvedinfo_t*)_s;
122 return registry_find(s->package, s->name);
124 namespace_list_t*l = s->nsset;
126 slotinfo_t* n = registry_find(l->namespace->name, s->name);
133 static slotinfo_list_t*unresolved = 0;
134 static void schedule_for_resolve(slotinfo_t*s)
136 list_append(unresolved, s);
138 static void resolve_on_slot(slotinfo_t*_member)
140 if(_member->kind == INFOTYPE_VAR) {
141 varinfo_t*member = (varinfo_t*)_member;
142 member->type = (classinfo_t*)registry_resolve((slotinfo_t*)member->type);
143 } else if(_member->kind == INFOTYPE_METHOD) {
144 methodinfo_t*member = (methodinfo_t*)_member;
145 member->return_type = (classinfo_t*)registry_resolve((slotinfo_t*)member->return_type);
146 classinfo_list_t*l = member->params;
148 l->classinfo = (classinfo_t*)registry_resolve((slotinfo_t*)l->classinfo);
151 } else fprintf(stderr, "Internal Error: bad slot %s", _member->name);
153 static void resolve_on_class(slotinfo_t*_cls)
155 classinfo_t*cls = (classinfo_t*)_cls;
156 cls->superclass = (classinfo_t*)registry_resolve((slotinfo_t*)cls->superclass);
158 DICT_ITERATE_DATA(&cls->members,slotinfo_t*,m) {
161 DICT_ITERATE_DATA(&cls->static_members,slotinfo_t*,m2) {
166 while(cls->interfaces[t]) {
167 cls->interfaces[t] = (classinfo_t*)registry_resolve((slotinfo_t*)cls->interfaces[t]);
171 void registry_resolve_all()
174 slotinfo_t*_s = unresolved->slotinfo;
175 if(_s->kind == INFOTYPE_CLASS) {
176 resolve_on_class(_s);
177 } else if(_s->kind == INFOTYPE_METHOD || _s->kind == INFOTYPE_VAR) {
180 fprintf(stderr, "Internal Error: object %s.%s has bad type\n", _s->package, _s->name);
182 slotinfo_list_t*tofree = unresolved;
183 unresolved = unresolved->next;
187 // ------------------------- constructors --------------------------------
189 #define AVERAGE_NUMBER_OF_MEMBERS 8
190 classinfo_t* classinfo_register(int access, const char*package, const char*name, int num_interfaces)
192 classinfo_t*c = rfx_calloc(sizeof(classinfo_t)+(sizeof(classinfo_t*)*(num_interfaces+1)));
193 c->interfaces[0] = 0;
194 c->kind = INFOTYPE_CLASS;
196 c->package = package;
198 dict_put(registry_classes, c, c);
199 dict_init2(&c->members, &memberinfo_type, AVERAGE_NUMBER_OF_MEMBERS);
200 dict_init2(&c->static_members, &memberinfo_type, AVERAGE_NUMBER_OF_MEMBERS);
202 schedule_for_resolve((slotinfo_t*)c);
205 methodinfo_t* methodinfo_register_onclass(classinfo_t*cls, U8 access, const char*ns, const char*name, char is_static)
208 m->kind = INFOTYPE_METHOD;
214 dict_put(&cls->members, m, m);
216 dict_put(&cls->static_members, m, m);
219 varinfo_t* varinfo_register_onclass(classinfo_t*cls, U8 access, const char*ns, const char*name, char is_static)
222 m->kind = INFOTYPE_VAR;
228 dict_put(&cls->members, m, m);
230 dict_put(&cls->static_members, m, m);
233 methodinfo_t* methodinfo_register_global(U8 access, const char*package, const char*name)
235 NEW(methodinfo_t, m);
236 m->kind = INFOTYPE_METHOD;
237 m->flags = FLAG_STATIC;
239 m->package = package;
242 dict_put(registry_classes, m, m);
244 schedule_for_resolve((slotinfo_t*)m);
247 varinfo_t* varinfo_register_global(U8 access, const char*package, const char*name)
250 m->kind = INFOTYPE_VAR;
251 m->flags = FLAG_STATIC;
253 m->package = package;
256 dict_put(registry_classes, m, m);
258 schedule_for_resolve((slotinfo_t*)m);
262 // --------------- builtin classes (from builtin.c) ----------------------
266 if(!registry_classes)
267 registry_classes = builtin_getclasses();
269 slotinfo_t* registry_find(const char*package, const char*name)
271 assert(registry_classes);
273 tmp.package = package;
275 slotinfo_t* c = (slotinfo_t*)dict_lookup(registry_classes, &tmp);
277 printf("%s.%s->%08x (%s.%s)\n", package, name, c, c->package, c->name);*/
280 slotinfo_t* registry_safefind(const char*package, const char*name)
282 slotinfo_t*c = registry_find(package, name);
284 printf("%s.%s\n", package, name);
292 for(t=0;t<registry_classes->hashsize;t++) {
293 dictentry_t*e = registry_classes->slots[t];
295 slotinfo_t*i = (slotinfo_t*)e->key;
296 printf("[%s] %s.%s\n", access2str(i->access), i->package, i->name);
302 memberinfo_t* registry_findmember(classinfo_t*cls, const char*ns, const char*name, char recursive, char is_static)
306 tmp.package = ns?ns:"";
310 return (memberinfo_t*)dict_lookup(&cls->members, &tmp);
312 return (memberinfo_t*)dict_lookup(&cls->static_members, &tmp);
314 /* look at classes directly extended by this class */
318 if(recursive>1) // check *only* superclasses
322 if(s->kind == INFOTYPE_UNRESOLVED)
326 m = (slotinfo_t*)dict_lookup(&s->members, &tmp);
327 if(m) return (memberinfo_t*)m;
329 m = (slotinfo_t*)dict_lookup(&s->static_members, &tmp);
330 if(m) return (memberinfo_t*)m;
334 /* look at interfaces, and parent interfaces */
336 while(cls->interfaces[t]) {
337 classinfo_t*s = cls->interfaces[t];
338 if(s->kind != INFOTYPE_UNRESOLVED) {
341 m = (slotinfo_t*)dict_lookup(&s->members, &tmp);
342 if(m) return (memberinfo_t*)m;
344 m = (slotinfo_t*)dict_lookup(&s->static_members, &tmp);
345 if(m) return (memberinfo_t*)m;
355 memberinfo_t* registry_findmember_nsset(classinfo_t*cls, namespace_list_t*ns, const char*name, char superclasses, char is_static)
359 m = registry_findmember(cls, ns->namespace->name, name, superclasses, is_static);
363 m = registry_findmember(cls, "", name, superclasses, is_static);
365 /* TODO: it maybe would be faster to just store the builtin namespace as "" in
366 builtins.c (update: some members (e.g. XML.length) are present both for
367 "" and "http:...builtin") */
368 m = registry_findmember(cls, "http://adobe.com/AS3/2006/builtin", name, superclasses, is_static);
374 void registry_fill_multiname(multiname_t*m, namespace_t*n, slotinfo_t*c)
378 m->ns->access = c->access;
379 m->ns->name = (char*)c->package;
381 m->namespace_set = 0;
383 multiname_t* classinfo_to_multiname(slotinfo_t*cls)
388 namespace_t ns = {cls->access, (char*)cls->package};
389 return multiname_new(&ns,cls->name);
392 // ----------------------- memberinfo methods ------------------------------
394 /* hacky code to wrap a variable or function into a "type"
395 object, but keep a pointer to the "value" */
396 static dict_t* functionobjects = 0;
397 classinfo_t* slotinfo_asclass(slotinfo_t*f) {
398 if(!functionobjects) {
399 functionobjects = dict_new2(&ptr_type);
401 classinfo_t*c = dict_lookup(functionobjects, f);
406 classinfo_t*c = rfx_calloc(sizeof(classinfo_t)+sizeof(classinfo_t*));
407 c->access = ACCESS_PUBLIC;
409 if(f->kind == INFOTYPE_METHOD) {
410 c->name = "Function";
411 c->superclass = registry_getobjectclass();
412 } else if(f->kind == INFOTYPE_CLASS) {
414 c->superclass = registry_getobjectclass();
415 } else if(f->kind == INFOTYPE_VAR) {
418 c->name = "undefined";
421 dict_init2(&c->members, &memberinfo_type, 1);
422 dict_init2(&c->static_members, &memberinfo_type, 1);
424 dict_put(functionobjects, f, c);
428 classinfo_t* slotinfo_gettype(slotinfo_t*f)
431 if(f->kind == INFOTYPE_METHOD) {
432 return slotinfo_asclass(f);
433 } else if(f->kind == INFOTYPE_VAR) {
434 varinfo_t*v = (varinfo_t*)f;
443 // ----------------------- package handling ---------------------------
444 char registry_ispackage(const char*package)
446 /* crude approximation of "the real thing", but sufficient for now */
447 return !strncmp(package, "flash", 5);
449 // ----------------------- builtin types ------------------------------
451 char registry_isfunctionclass(classinfo_t*c) {
452 return (c && c->package && c->name &&
453 !strcmp(c->package, "") && !strcmp(c->name, "Function"));
455 char registry_isclassclass(classinfo_t*c) {
456 return (c && c->package && c->name &&
457 !strcmp(c->package, "") && !strcmp(c->name, "Class"));
460 classinfo_t* registry_getobjectclass() {
461 static classinfo_t*c = 0;
462 if(!c) c = (classinfo_t*)registry_safefind("", "Object");
465 classinfo_t* registry_getstringclass() {
466 static classinfo_t*c = 0;
467 if(!c) c = (classinfo_t*)registry_safefind("", "String");
470 classinfo_t* registry_getarrayclass() {
471 static classinfo_t*c = 0;
472 if(!c) c = (classinfo_t*)registry_safefind("", "Array");
475 classinfo_t* registry_getintclass() {
476 static classinfo_t*c = 0;
477 if(!c) c = (classinfo_t*)registry_safefind("", "int");
480 classinfo_t* registry_getuintclass() {
481 static classinfo_t*c = 0;
482 if(!c) c = (classinfo_t*)registry_safefind("", "uint");
485 classinfo_t* registry_getbooleanclass() {
486 static classinfo_t*c = 0;
487 if(!c) c = (classinfo_t*)registry_safefind("", "Boolean");
490 classinfo_t* registry_getnumberclass() {
491 static classinfo_t*c = 0;
492 if(!c) c = (classinfo_t*)registry_safefind("", "Number");
495 classinfo_t* registry_getregexpclass() {
496 static classinfo_t*c = 0;
497 if(!c) c = (classinfo_t*)registry_safefind("", "RegExp");
500 classinfo_t* registry_getdateclass() {
501 static classinfo_t*c = 0;
502 if(!c) c = (classinfo_t*)registry_safefind("", "Date");
505 classinfo_t* registry_getxmlclass() {
506 static classinfo_t*c = 0;
507 if(!c) c = (classinfo_t*)registry_safefind("", "XML");
510 classinfo_t* registry_getxmllistclass() {
511 static classinfo_t*c = 0;
512 if(!c) c = (classinfo_t*)registry_safefind("", "XMLList");
515 classinfo_t* registry_getnamespaceclass() {
516 static classinfo_t*c = 0;
517 if(!c) c = (classinfo_t*)registry_safefind("", "Namespace");
520 classinfo_t* registry_getMovieClip() {
521 static classinfo_t*c = 0;
522 if(!c) c = (classinfo_t*)registry_safefind("flash.display", "MovieClip");
526 // ----------------------- builtin dummy types -------------------------
527 classinfo_t nullclass = {
528 INFOTYPE_CLASS,0,0,ACCESS_PACKAGE, "", "null", 0, 0, 0
530 classinfo_t* registry_getnullclass() {
533 classinfo_t voidclass = {
534 INFOTYPE_CLASS,0,0,ACCESS_PACKAGE, "", "void", 0, 0, 0
536 classinfo_t* registry_getvoidclass() {
540 namespace_t access2namespace(U8 access, char*package)
548 char* infotypename(slotinfo_t*s)
550 if(s->kind == INFOTYPE_CLASS) return "class";
551 else if(s->kind == INFOTYPE_VAR) return "var";
552 else if(s->kind == INFOTYPE_METHOD) return "function";
553 else return "object";
556 void slotinfo_dump(slotinfo_t*s)
559 printf("%s %s.%s", infotypename(s), s->package, s->name);
561 printf("%s %s", infotypename(s), s->name);
563 if(s->kind == INFOTYPE_CLASS) {
564 classinfo_t*c = (classinfo_t*)s;
566 else if(s->kind == INFOTYPE_VAR) {
567 varinfo_t*v = (varinfo_t*)s;
568 printf(":%s", v->type?v->type->name:"*");
570 printf("=%s", constant_tostring(v->value));
572 printf(" (slot:%d)", v->slot);
574 else if(s->kind == INFOTYPE_METHOD) {
575 methodinfo_t*m = (methodinfo_t*)s;