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)
78 if(s->kind == INFOTYPE_CLASS) {
79 classinfo_t*c=(classinfo_t*)s;
80 if(c->assets) c->assets->used = 1;
81 } else if(s->kind == INFOTYPE_METHOD) {
82 methodinfo_t*m=(methodinfo_t*)s;
84 registry_use((slotinfo_t*)m->parent);
86 } else if(s->kind == INFOTYPE_VAR) {
87 varinfo_t*v=(varinfo_t*)s;
89 registry_use((slotinfo_t*)v->parent);
93 void registry_add_asset(asset_bundle_t*bundle)
95 list_append(assets, bundle);
97 asset_bundle_list_t*registry_getassets()
101 // ----------------------- resolving ----------------------------------
102 slotinfo_t* registry_resolve(slotinfo_t*_s)
104 if(!_s || _s->kind != INFOTYPE_UNRESOLVED)
106 unresolvedinfo_t*s = (unresolvedinfo_t*)_s;
109 return registry_find(s->package, s->name);
111 namespace_list_t*l = s->nsset;
113 slotinfo_t* n = registry_find(l->namespace->name, s->name);
120 static slotinfo_list_t*unresolved = 0;
121 static void schedule_for_resolve(slotinfo_t*s)
123 list_append(unresolved, s);
125 static void resolve_on_slot(slotinfo_t*_member)
127 if(_member->kind == INFOTYPE_VAR) {
128 varinfo_t*member = (varinfo_t*)_member;
129 member->type = (classinfo_t*)registry_resolve((slotinfo_t*)member->type);
130 } else if(_member->kind == INFOTYPE_METHOD) {
131 methodinfo_t*member = (methodinfo_t*)_member;
132 member->return_type = (classinfo_t*)registry_resolve((slotinfo_t*)member->return_type);
133 classinfo_list_t*l = member->params;
135 l->classinfo = (classinfo_t*)registry_resolve((slotinfo_t*)l->classinfo);
138 } else fprintf(stderr, "Internal Error: bad slot %s", _member->name);
140 static void resolve_on_class(slotinfo_t*_cls)
142 classinfo_t*cls = (classinfo_t*)_cls;
143 cls->superclass = (classinfo_t*)registry_resolve((slotinfo_t*)cls->superclass);
145 DICT_ITERATE_DATA(&cls->members,slotinfo_t*,m) {
148 DICT_ITERATE_DATA(&cls->static_members,slotinfo_t*,m2) {
153 while(cls->interfaces[t]) {
154 cls->interfaces[t] = (classinfo_t*)registry_resolve((slotinfo_t*)cls->interfaces[t]);
158 void registry_resolve_all()
161 slotinfo_t*_s = unresolved->slotinfo;
162 if(_s->kind == INFOTYPE_CLASS) {
163 resolve_on_class(_s);
164 } else if(_s->kind == INFOTYPE_METHOD || _s->kind == INFOTYPE_VAR) {
167 fprintf(stderr, "Internal Error: object %s.%s has bad type\n", _s->package, _s->name);
169 slotinfo_list_t*tofree = unresolved;
170 unresolved = unresolved->next;
174 // ------------------------- constructors --------------------------------
176 #define AVERAGE_NUMBER_OF_MEMBERS 8
177 classinfo_t* classinfo_register(int access, const char*package, const char*name, int num_interfaces)
179 classinfo_t*c = rfx_calloc(sizeof(classinfo_t)+(sizeof(classinfo_t*)*(num_interfaces+1)));
180 c->interfaces[0] = 0;
181 c->kind = INFOTYPE_CLASS;
183 c->package = package;
185 dict_put(registry_classes, c, c);
186 dict_init2(&c->members, &memberinfo_type, AVERAGE_NUMBER_OF_MEMBERS);
187 dict_init2(&c->static_members, &memberinfo_type, AVERAGE_NUMBER_OF_MEMBERS);
189 schedule_for_resolve((slotinfo_t*)c);
192 methodinfo_t* methodinfo_register_onclass(classinfo_t*cls, U8 access, const char*ns, const char*name, char is_static)
195 m->kind = INFOTYPE_METHOD;
201 dict_put(&cls->members, m, m);
203 dict_put(&cls->static_members, m, m);
206 varinfo_t* varinfo_register_onclass(classinfo_t*cls, U8 access, const char*ns, const char*name, char is_static)
209 m->kind = INFOTYPE_VAR;
215 dict_put(&cls->members, m, m);
217 dict_put(&cls->static_members, m, m);
220 methodinfo_t* methodinfo_register_global(U8 access, const char*package, const char*name)
222 NEW(methodinfo_t, m);
223 m->kind = INFOTYPE_METHOD;
224 m->flags = FLAG_STATIC;
226 m->package = package;
229 dict_put(registry_classes, m, m);
231 schedule_for_resolve((slotinfo_t*)m);
234 varinfo_t* varinfo_register_global(U8 access, const char*package, const char*name)
237 m->kind = INFOTYPE_VAR;
238 m->flags = FLAG_STATIC;
240 m->package = package;
243 dict_put(registry_classes, m, m);
245 schedule_for_resolve((slotinfo_t*)m);
249 // --------------- builtin classes (from builtin.c) ----------------------
253 if(!registry_classes)
254 registry_classes = builtin_getclasses();
256 slotinfo_t* registry_find(const char*package, const char*name)
258 assert(registry_classes);
260 tmp.package = package;
262 slotinfo_t* c = (slotinfo_t*)dict_lookup(registry_classes, &tmp);
264 printf("%s.%s->%08x (%s.%s)\n", package, name, c, c->package, c->name);*/
267 slotinfo_t* registry_safefind(const char*package, const char*name)
269 slotinfo_t*c = registry_find(package, name);
271 printf("%s.%s\n", package, name);
279 for(t=0;t<registry_classes->hashsize;t++) {
280 dictentry_t*e = registry_classes->slots[t];
282 slotinfo_t*i = (slotinfo_t*)e->key;
283 printf("[%s] %s.%s\n", access2str(i->access), i->package, i->name);
289 memberinfo_t* registry_findmember(classinfo_t*cls, const char*ns, const char*name, char recursive, char is_static)
293 tmp.package = ns?ns:"";
297 return (memberinfo_t*)dict_lookup(&cls->members, &tmp);
299 return (memberinfo_t*)dict_lookup(&cls->static_members, &tmp);
301 /* look at classes directly extended by this class */
305 if(recursive>1) // check *only* superclasses
309 if(s->kind == INFOTYPE_UNRESOLVED)
313 m = (slotinfo_t*)dict_lookup(&s->members, &tmp);
314 if(m) return (memberinfo_t*)m;
316 m = (slotinfo_t*)dict_lookup(&s->static_members, &tmp);
317 if(m) return (memberinfo_t*)m;
321 /* look at interfaces, and parent interfaces */
323 while(cls->interfaces[t]) {
324 classinfo_t*s = cls->interfaces[t];
325 if(s->kind != INFOTYPE_UNRESOLVED) {
328 m = (slotinfo_t*)dict_lookup(&s->members, &tmp);
329 if(m) return (memberinfo_t*)m;
331 m = (slotinfo_t*)dict_lookup(&s->static_members, &tmp);
332 if(m) return (memberinfo_t*)m;
342 memberinfo_t* registry_findmember_nsset(classinfo_t*cls, namespace_list_t*ns, const char*name, char superclasses, char is_static)
346 m = registry_findmember(cls, ns->namespace->name, name, superclasses, is_static);
350 m = registry_findmember(cls, "", name, superclasses, is_static);
352 /* TODO: it maybe would be faster to just store the builtin namespace as "" in
353 builtins.c (update: some members (e.g. XML.length) are present both for
354 "" and "http:...builtin") */
355 m = registry_findmember(cls, "http://adobe.com/AS3/2006/builtin", name, superclasses, is_static);
361 void registry_fill_multiname(multiname_t*m, namespace_t*n, slotinfo_t*c)
365 m->ns->access = c->access;
366 m->ns->name = (char*)c->package;
368 m->namespace_set = 0;
370 multiname_t* classinfo_to_multiname(slotinfo_t*cls)
375 namespace_t ns = {cls->access, (char*)cls->package};
376 return multiname_new(&ns,cls->name);
379 // ----------------------- memberinfo methods ------------------------------
381 /* hacky code to wrap a variable or function into a "type"
382 object, but keep a pointer to the "value" */
383 static dict_t* functionobjects = 0;
384 classinfo_t* slotinfo_asclass(slotinfo_t*f) {
385 if(!functionobjects) {
386 functionobjects = dict_new2(&ptr_type);
388 classinfo_t*c = dict_lookup(functionobjects, f);
393 classinfo_t*c = rfx_calloc(sizeof(classinfo_t)+sizeof(classinfo_t*));
394 c->access = ACCESS_PUBLIC;
396 if(f->kind == INFOTYPE_METHOD) {
397 c->name = "Function";
398 c->superclass = registry_getobjectclass();
399 } else if(f->kind == INFOTYPE_CLASS) {
401 c->superclass = registry_getobjectclass();
402 } else if(f->kind == INFOTYPE_VAR) {
405 c->name = "undefined";
408 dict_init2(&c->members, &memberinfo_type, 1);
409 dict_init2(&c->static_members, &memberinfo_type, 1);
411 dict_put(functionobjects, f, c);
415 classinfo_t* slotinfo_gettype(slotinfo_t*f)
418 if(f->kind == INFOTYPE_METHOD) {
419 return slotinfo_asclass(f);
420 } else if(f->kind == INFOTYPE_VAR) {
421 varinfo_t*v = (varinfo_t*)f;
430 // ----------------------- package handling ---------------------------
431 char registry_ispackage(const char*package)
433 /* crude approximation of "the real thing", but sufficient for now */
434 return !strncmp(package, "flash", 5);
436 // ----------------------- builtin types ------------------------------
438 char registry_isfunctionclass(classinfo_t*c) {
439 return (c && c->package && c->name &&
440 !strcmp(c->package, "") && !strcmp(c->name, "Function"));
442 char registry_isclassclass(classinfo_t*c) {
443 return (c && c->package && c->name &&
444 !strcmp(c->package, "") && !strcmp(c->name, "Class"));
447 classinfo_t* registry_getobjectclass() {
448 static classinfo_t*c = 0;
449 if(!c) c = (classinfo_t*)registry_safefind("", "Object");
452 classinfo_t* registry_getstringclass() {
453 static classinfo_t*c = 0;
454 if(!c) c = (classinfo_t*)registry_safefind("", "String");
457 classinfo_t* registry_getarrayclass() {
458 static classinfo_t*c = 0;
459 if(!c) c = (classinfo_t*)registry_safefind("", "Array");
462 classinfo_t* registry_getintclass() {
463 static classinfo_t*c = 0;
464 if(!c) c = (classinfo_t*)registry_safefind("", "int");
467 classinfo_t* registry_getuintclass() {
468 static classinfo_t*c = 0;
469 if(!c) c = (classinfo_t*)registry_safefind("", "uint");
472 classinfo_t* registry_getbooleanclass() {
473 static classinfo_t*c = 0;
474 if(!c) c = (classinfo_t*)registry_safefind("", "Boolean");
477 classinfo_t* registry_getnumberclass() {
478 static classinfo_t*c = 0;
479 if(!c) c = (classinfo_t*)registry_safefind("", "Number");
482 classinfo_t* registry_getregexpclass() {
483 static classinfo_t*c = 0;
484 if(!c) c = (classinfo_t*)registry_safefind("", "RegExp");
487 classinfo_t* registry_getdateclass() {
488 static classinfo_t*c = 0;
489 if(!c) c = (classinfo_t*)registry_safefind("", "Date");
492 classinfo_t* registry_getxmlclass() {
493 static classinfo_t*c = 0;
494 if(!c) c = (classinfo_t*)registry_safefind("", "XML");
497 classinfo_t* registry_getxmllistclass() {
498 static classinfo_t*c = 0;
499 if(!c) c = (classinfo_t*)registry_safefind("", "XMLList");
502 classinfo_t* registry_getnamespaceclass() {
503 static classinfo_t*c = 0;
504 if(!c) c = (classinfo_t*)registry_safefind("", "Namespace");
507 classinfo_t* registry_getMovieClip() {
508 static classinfo_t*c = 0;
509 if(!c) c = (classinfo_t*)registry_safefind("flash.display", "MovieClip");
513 // ----------------------- builtin dummy types -------------------------
514 classinfo_t nullclass = {
515 INFOTYPE_CLASS,0,0,ACCESS_PACKAGE, "", "null", 0, 0, 0
517 classinfo_t* registry_getnullclass() {
520 classinfo_t voidclass = {
521 INFOTYPE_CLASS,0,0,ACCESS_PACKAGE, "", "void", 0, 0, 0
523 classinfo_t* registry_getvoidclass() {
527 namespace_t access2namespace(U8 access, char*package)
535 char* infotypename(slotinfo_t*s)
537 if(s->kind == INFOTYPE_CLASS) return "class";
538 else if(s->kind == INFOTYPE_VAR) return "var";
539 else if(s->kind == INFOTYPE_METHOD) return "function";
540 else return "object";
543 void slotinfo_dump(slotinfo_t*s)
546 printf("%s %s.%s", infotypename(s), s->package, s->name);
548 printf("%s %s", infotypename(s), s->name);
550 if(s->kind == INFOTYPE_CLASS) {
551 classinfo_t*c = (classinfo_t*)s;
553 else if(s->kind == INFOTYPE_VAR) {
554 varinfo_t*v = (varinfo_t*)s;
555 printf(":%s", v->type?v->type->name:"*");
557 printf("=%s", constant_tostring(v->value));
559 printf(" (slot:%d)", v->slot);
561 else if(s->kind == INFOTYPE_METHOD) {
562 methodinfo_t*m = (methodinfo_t*)s;