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 static void use_asset(asset_bundle_t*a)
79 asset_bundle_list_t*l = a->dependencies;
81 if(!l->asset_bundle->used) {
82 use_asset(l->asset_bundle);
87 void registry_use(slotinfo_t*s)
90 if(!(s->flags&FLAG_USED)) {
91 s->flags |= FLAG_USED;
92 if(s->kind == INFOTYPE_CLASS) {
93 classinfo_t*c=(classinfo_t*)s;
98 while(c->interfaces[t]) {
99 registry_use((slotinfo_t*)c->interfaces[t]);
102 while(c->superclass) {
104 registry_use((slotinfo_t*)c);
106 } else if(s->kind == INFOTYPE_METHOD) {
107 methodinfo_t*m=(methodinfo_t*)s;
109 registry_use((slotinfo_t*)m->parent);
111 } else if(s->kind == INFOTYPE_VAR) {
112 varinfo_t*v=(varinfo_t*)s;
114 registry_use((slotinfo_t*)v->parent);
119 void registry_add_asset(asset_bundle_t*bundle)
121 list_append(assets, bundle);
123 asset_bundle_list_t*registry_getassets()
127 // ----------------------- resolving ----------------------------------
128 slotinfo_t* registry_resolve(slotinfo_t*_s)
130 if(!_s || _s->kind != INFOTYPE_UNRESOLVED)
132 unresolvedinfo_t*s = (unresolvedinfo_t*)_s;
135 return registry_find(s->package, s->name);
137 namespace_list_t*l = s->nsset;
139 slotinfo_t* n = registry_find(l->namespace->name, s->name);
146 static slotinfo_list_t*unresolved = 0;
147 static void schedule_for_resolve(slotinfo_t*s)
149 list_append(unresolved, s);
151 static void resolve_on_slot(slotinfo_t*_member)
153 if(_member->kind == INFOTYPE_VAR) {
154 varinfo_t*member = (varinfo_t*)_member;
155 member->type = (classinfo_t*)registry_resolve((slotinfo_t*)member->type);
156 } else if(_member->kind == INFOTYPE_METHOD) {
157 methodinfo_t*member = (methodinfo_t*)_member;
158 member->return_type = (classinfo_t*)registry_resolve((slotinfo_t*)member->return_type);
159 classinfo_list_t*l = member->params;
161 l->classinfo = (classinfo_t*)registry_resolve((slotinfo_t*)l->classinfo);
164 } else fprintf(stderr, "Internal Error: bad slot %s", _member->name);
166 static void resolve_on_class(slotinfo_t*_cls)
168 classinfo_t*cls = (classinfo_t*)_cls;
169 cls->superclass = (classinfo_t*)registry_resolve((slotinfo_t*)cls->superclass);
171 DICT_ITERATE_DATA(&cls->members,slotinfo_t*,m) {
174 DICT_ITERATE_DATA(&cls->static_members,slotinfo_t*,m2) {
179 while(cls->interfaces[t]) {
180 cls->interfaces[t] = (classinfo_t*)registry_resolve((slotinfo_t*)cls->interfaces[t]);
184 void registry_resolve_all()
187 slotinfo_t*_s = unresolved->slotinfo;
188 if(_s->kind == INFOTYPE_CLASS) {
189 resolve_on_class(_s);
190 } else if(_s->kind == INFOTYPE_METHOD || _s->kind == INFOTYPE_VAR) {
193 fprintf(stderr, "Internal Error: object %s.%s has bad type\n", _s->package, _s->name);
195 slotinfo_list_t*tofree = unresolved;
196 unresolved = unresolved->next;
200 // ------------------------- constructors --------------------------------
202 #define AVERAGE_NUMBER_OF_MEMBERS 8
203 classinfo_t* classinfo_register(int access, const char*package, const char*name, int num_interfaces)
205 classinfo_t*c = rfx_calloc(sizeof(classinfo_t)+(sizeof(classinfo_t*)*(num_interfaces+1)));
206 c->interfaces[0] = 0;
207 c->kind = INFOTYPE_CLASS;
209 c->package = package;
211 dict_put(registry_classes, c, c);
212 dict_init2(&c->members, &memberinfo_type, AVERAGE_NUMBER_OF_MEMBERS);
213 dict_init2(&c->static_members, &memberinfo_type, AVERAGE_NUMBER_OF_MEMBERS);
215 schedule_for_resolve((slotinfo_t*)c);
218 methodinfo_t* methodinfo_register_onclass(classinfo_t*cls, U8 access, const char*ns, const char*name, char is_static)
221 m->kind = INFOTYPE_METHOD;
227 dict_put(&cls->members, m, m);
229 dict_put(&cls->static_members, m, m);
232 varinfo_t* varinfo_register_onclass(classinfo_t*cls, U8 access, const char*ns, const char*name, char is_static)
235 m->kind = INFOTYPE_VAR;
241 dict_put(&cls->members, m, m);
243 dict_put(&cls->static_members, m, m);
246 methodinfo_t* methodinfo_register_global(U8 access, const char*package, const char*name)
248 NEW(methodinfo_t, m);
249 m->kind = INFOTYPE_METHOD;
250 m->flags = FLAG_STATIC;
252 m->package = package;
255 dict_put(registry_classes, m, m);
257 schedule_for_resolve((slotinfo_t*)m);
260 varinfo_t* varinfo_register_global(U8 access, const char*package, const char*name)
263 m->kind = INFOTYPE_VAR;
264 m->flags = FLAG_STATIC;
266 m->package = package;
269 dict_put(registry_classes, m, m);
271 schedule_for_resolve((slotinfo_t*)m);
275 // --------------- builtin classes (from builtin.c) ----------------------
279 if(!registry_classes)
280 registry_classes = builtin_getclasses();
282 slotinfo_t* registry_find(const char*package, const char*name)
284 assert(registry_classes);
286 tmp.package = package;
288 slotinfo_t* c = (slotinfo_t*)dict_lookup(registry_classes, &tmp);
290 printf("%s.%s->%08x (%s.%s)\n", package, name, c, c->package, c->name);*/
293 slotinfo_t* registry_safefind(const char*package, const char*name)
295 slotinfo_t*c = registry_find(package, name);
297 printf("%s.%s\n", package, name);
305 for(t=0;t<registry_classes->hashsize;t++) {
306 dictentry_t*e = registry_classes->slots[t];
308 slotinfo_t*i = (slotinfo_t*)e->key;
309 printf("[%s] %s.%s\n", access2str(i->access), i->package, i->name);
315 memberinfo_t* registry_findmember(classinfo_t*cls, const char*ns, const char*name, char recursive, char is_static)
319 tmp.package = ns?ns:"";
323 return (memberinfo_t*)dict_lookup(&cls->members, &tmp);
325 return (memberinfo_t*)dict_lookup(&cls->static_members, &tmp);
327 /* look at classes directly extended by this class */
331 if(recursive>1) // check *only* superclasses
335 if(s->kind == INFOTYPE_UNRESOLVED)
339 m = (slotinfo_t*)dict_lookup(&s->members, &tmp);
340 if(m) return (memberinfo_t*)m;
342 m = (slotinfo_t*)dict_lookup(&s->static_members, &tmp);
343 if(m) return (memberinfo_t*)m;
347 /* look at interfaces, and parent interfaces */
349 while(cls->interfaces[t]) {
350 classinfo_t*s = cls->interfaces[t];
351 if(s->kind != INFOTYPE_UNRESOLVED) {
354 m = (slotinfo_t*)dict_lookup(&s->members, &tmp);
355 if(m) return (memberinfo_t*)m;
357 m = (slotinfo_t*)dict_lookup(&s->static_members, &tmp);
358 if(m) return (memberinfo_t*)m;
368 memberinfo_t* registry_findmember_nsset(classinfo_t*cls, namespace_list_t*ns, const char*name, char superclasses, char is_static)
372 m = registry_findmember(cls, ns->namespace->name, name, superclasses, is_static);
376 m = registry_findmember(cls, "", name, superclasses, is_static);
378 /* TODO: it maybe would be faster to just store the builtin namespace as "" in
379 builtins.c (update: some members (e.g. XML.length) are present both for
380 "" and "http:...builtin") */
381 m = registry_findmember(cls, "http://adobe.com/AS3/2006/builtin", name, superclasses, is_static);
387 void registry_fill_multiname(multiname_t*m, namespace_t*n, slotinfo_t*c)
391 m->ns->access = c->access;
392 m->ns->name = (char*)c->package;
394 m->namespace_set = 0;
396 multiname_t* classinfo_to_multiname(slotinfo_t*cls)
401 namespace_t ns = {cls->access, (char*)cls->package};
402 return multiname_new(&ns,cls->name);
405 // ----------------------- memberinfo methods ------------------------------
407 /* hacky code to wrap a variable or function into a "type"
408 object, but keep a pointer to the "value" */
409 static dict_t* functionobjects = 0;
410 classinfo_t* slotinfo_asclass(slotinfo_t*f) {
411 if(!functionobjects) {
412 functionobjects = dict_new2(&ptr_type);
414 classinfo_t*c = dict_lookup(functionobjects, f);
419 classinfo_t*c = rfx_calloc(sizeof(classinfo_t)+sizeof(classinfo_t*));
420 c->access = ACCESS_PUBLIC;
422 if(f->kind == INFOTYPE_METHOD) {
423 c->name = "Function";
424 c->superclass = registry_getobjectclass();
425 } else if(f->kind == INFOTYPE_CLASS) {
427 c->superclass = registry_getobjectclass();
428 } else if(f->kind == INFOTYPE_VAR) {
431 c->name = "undefined";
434 dict_init2(&c->members, &memberinfo_type, 1);
435 dict_init2(&c->static_members, &memberinfo_type, 1);
437 dict_put(functionobjects, f, c);
441 classinfo_t* slotinfo_gettype(slotinfo_t*f)
444 if(f->kind == INFOTYPE_METHOD) {
445 return slotinfo_asclass(f);
446 } else if(f->kind == INFOTYPE_VAR) {
447 varinfo_t*v = (varinfo_t*)f;
456 // ----------------------- package handling ---------------------------
457 char registry_ispackage(const char*package)
459 /* crude approximation of "the real thing", but sufficient for now */
460 return !strncmp(package, "flash", 5);
462 // ----------------------- builtin types ------------------------------
464 char registry_isfunctionclass(classinfo_t*c) {
465 return (c && c->package && c->name &&
466 !strcmp(c->package, "") && !strcmp(c->name, "Function"));
468 char registry_isclassclass(classinfo_t*c) {
469 return (c && c->package && c->name &&
470 !strcmp(c->package, "") && !strcmp(c->name, "Class"));
473 classinfo_t* registry_getobjectclass() {
474 static classinfo_t*c = 0;
475 if(!c) c = (classinfo_t*)registry_safefind("", "Object");
478 classinfo_t* registry_getstringclass() {
479 static classinfo_t*c = 0;
480 if(!c) c = (classinfo_t*)registry_safefind("", "String");
483 classinfo_t* registry_getarrayclass() {
484 static classinfo_t*c = 0;
485 if(!c) c = (classinfo_t*)registry_safefind("", "Array");
488 classinfo_t* registry_getintclass() {
489 static classinfo_t*c = 0;
490 if(!c) c = (classinfo_t*)registry_safefind("", "int");
493 classinfo_t* registry_getuintclass() {
494 static classinfo_t*c = 0;
495 if(!c) c = (classinfo_t*)registry_safefind("", "uint");
498 classinfo_t* registry_getbooleanclass() {
499 static classinfo_t*c = 0;
500 if(!c) c = (classinfo_t*)registry_safefind("", "Boolean");
503 classinfo_t* registry_getnumberclass() {
504 static classinfo_t*c = 0;
505 if(!c) c = (classinfo_t*)registry_safefind("", "Number");
508 classinfo_t* registry_getregexpclass() {
509 static classinfo_t*c = 0;
510 if(!c) c = (classinfo_t*)registry_safefind("", "RegExp");
513 classinfo_t* registry_getdateclass() {
514 static classinfo_t*c = 0;
515 if(!c) c = (classinfo_t*)registry_safefind("", "Date");
518 classinfo_t* registry_getxmlclass() {
519 static classinfo_t*c = 0;
520 if(!c) c = (classinfo_t*)registry_safefind("", "XML");
523 classinfo_t* registry_getxmllistclass() {
524 static classinfo_t*c = 0;
525 if(!c) c = (classinfo_t*)registry_safefind("", "XMLList");
528 classinfo_t* registry_getnamespaceclass() {
529 static classinfo_t*c = 0;
530 if(!c) c = (classinfo_t*)registry_safefind("", "Namespace");
533 classinfo_t* registry_getMovieClip() {
534 static classinfo_t*c = 0;
535 if(!c) c = (classinfo_t*)registry_safefind("flash.display", "MovieClip");
539 // ----------------------- builtin dummy types -------------------------
540 classinfo_t nullclass = {
541 INFOTYPE_CLASS,0,0,ACCESS_PACKAGE, "", "null", 0, 0, 0
543 classinfo_t* registry_getnullclass() {
546 classinfo_t voidclass = {
547 INFOTYPE_CLASS,0,0,ACCESS_PACKAGE, "", "void", 0, 0, 0
549 classinfo_t* registry_getvoidclass() {
553 namespace_t access2namespace(U8 access, char*package)
561 char* infotypename(slotinfo_t*s)
563 if(s->kind == INFOTYPE_CLASS) return "class";
564 else if(s->kind == INFOTYPE_VAR) return "var";
565 else if(s->kind == INFOTYPE_METHOD) return "function";
566 else return "object";
569 void slotinfo_dump(slotinfo_t*s)
572 printf("%s %s.%s", infotypename(s), s->package, s->name);
574 printf("%s %s", infotypename(s), s->name);
576 if(s->kind == INFOTYPE_CLASS) {
577 classinfo_t*c = (classinfo_t*)s;
579 else if(s->kind == INFOTYPE_VAR) {
580 varinfo_t*v = (varinfo_t*)s;
581 printf(":%s", v->type?v->type->name:"*");
583 printf("=%s", constant_tostring(v->value));
585 printf(" (slot:%d)", v->slot);
587 else if(s->kind == INFOTYPE_METHOD) {
588 methodinfo_t*m = (methodinfo_t*)s;