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;
31 // ----------------------- class signature ------------------------------
33 char slotinfo_equals(slotinfo_t*c1, slotinfo_t*c2)
37 /* notice: access right is *not* respected */
38 if(!strcmp(c1->name, c2->name) &&
39 !strcmp(c1->package, c2->package)) {
44 static unsigned int slotinfo_hash(slotinfo_t*c)
46 unsigned int hash = 0;
47 hash = crc32_add_string(hash, c->package);
48 hash = crc32_add_string(hash, c->name);
51 static unsigned int memberinfo_hash(slotinfo_t*c)
53 unsigned int hash = 0;
54 hash = crc32_add_string(hash, c->name);
58 static void* dummy_clone(void*other) {return other;}
59 static void dummy_destroy(slotinfo_t*c) {}
61 type_t slotinfo_type = {
62 hash: (hash_func)slotinfo_hash,
63 equals: (equals_func)slotinfo_equals,
64 dup: (dup_func)dummy_clone, // all signatures are static
65 free: (free_func)dummy_destroy,
67 type_t memberinfo_type = {
68 hash: (hash_func)memberinfo_hash,
69 equals: (equals_func)slotinfo_equals,
70 dup: (dup_func)dummy_clone, // all signatures are static
71 free: (free_func)dummy_destroy,
74 // ----------------------- resolving ----------------------------------
75 slotinfo_t* registry_resolve(slotinfo_t*_s)
77 if(!_s || _s->kind != INFOTYPE_UNRESOLVED)
79 unresolvedinfo_t*s = (unresolvedinfo_t*)_s;
82 return registry_find(s->package, s->name);
84 namespace_list_t*l = s->nsset;
86 slotinfo_t* n = registry_find(l->namespace->name, s->name);
93 static slotinfo_list_t*unresolved = 0;
94 static void schedule_for_resolve(slotinfo_t*s)
96 list_append(unresolved, s);
98 static void resolve_on_slot(slotinfo_t*_member)
100 if(_member->kind == INFOTYPE_VAR) {
101 varinfo_t*member = (varinfo_t*)_member;
102 member->type = (classinfo_t*)registry_resolve((slotinfo_t*)member->type);
103 } else if(_member->kind == INFOTYPE_METHOD) {
104 methodinfo_t*member = (methodinfo_t*)_member;
105 member->return_type = (classinfo_t*)registry_resolve((slotinfo_t*)member->return_type);
106 classinfo_list_t*l = member->params;
108 l->classinfo = (classinfo_t*)registry_resolve((slotinfo_t*)l->classinfo);
111 } else fprintf(stderr, "Internal Error: bad slot %s", _member->name);
113 static void resolve_on_class(slotinfo_t*_cls)
115 classinfo_t*cls = (classinfo_t*)_cls;
116 cls->superclass = (classinfo_t*)registry_resolve((slotinfo_t*)cls->superclass);
118 DICT_ITERATE_DATA(&cls->members,slotinfo_t*,m) {
121 DICT_ITERATE_DATA(&cls->static_members,slotinfo_t*,m2) {
126 while(cls->interfaces[t]) {
127 cls->interfaces[t] = (classinfo_t*)registry_resolve((slotinfo_t*)cls->interfaces[t]);
131 void registry_resolve_all()
134 slotinfo_t*_s = unresolved->slotinfo;
135 if(_s->kind == INFOTYPE_CLASS) {
136 resolve_on_class(_s);
137 } else if(_s->kind == INFOTYPE_METHOD || _s->kind == INFOTYPE_VAR) {
140 fprintf(stderr, "Internal Error: object %s.%s has bad type\n", _s->package, _s->name);
142 slotinfo_list_t*tofree = unresolved;
143 unresolved = unresolved->next;
147 // ------------------------- constructors --------------------------------
149 #define AVERAGE_NUMBER_OF_MEMBERS 8
150 classinfo_t* classinfo_register(int access, const char*package, const char*name, int num_interfaces)
152 classinfo_t*c = rfx_calloc(sizeof(classinfo_t)+(sizeof(classinfo_t*)*(num_interfaces+1)));
153 c->interfaces[0] = 0;
154 c->kind = INFOTYPE_CLASS;
156 c->package = package;
158 dict_put(registry_classes, c, c);
159 dict_init2(&c->members, &memberinfo_type, AVERAGE_NUMBER_OF_MEMBERS);
160 dict_init2(&c->static_members, &memberinfo_type, AVERAGE_NUMBER_OF_MEMBERS);
162 schedule_for_resolve((slotinfo_t*)c);
165 methodinfo_t* methodinfo_register_onclass(classinfo_t*cls, U8 access, const char*ns, const char*name, char is_static)
168 m->kind = INFOTYPE_METHOD;
174 dict_put(&cls->members, m, m);
176 dict_put(&cls->static_members, m, m);
179 varinfo_t* varinfo_register_onclass(classinfo_t*cls, U8 access, const char*ns, const char*name, char is_static)
182 m->kind = INFOTYPE_VAR;
188 dict_put(&cls->members, m, m);
190 dict_put(&cls->static_members, m, m);
193 methodinfo_t* methodinfo_register_global(U8 access, const char*package, const char*name)
195 NEW(methodinfo_t, m);
196 m->kind = INFOTYPE_METHOD;
197 m->flags = FLAG_STATIC;
199 m->package = package;
202 dict_put(registry_classes, m, m);
204 schedule_for_resolve((slotinfo_t*)m);
207 varinfo_t* varinfo_register_global(U8 access, const char*package, const char*name)
210 m->kind = INFOTYPE_VAR;
211 m->flags = FLAG_STATIC;
213 m->package = package;
216 dict_put(registry_classes, m, m);
218 schedule_for_resolve((slotinfo_t*)m);
222 // --------------- builtin classes (from builtin.c) ----------------------
226 if(!registry_classes)
227 registry_classes = builtin_getclasses();
229 slotinfo_t* registry_find(const char*package, const char*name)
231 assert(registry_classes);
233 tmp.package = package;
235 slotinfo_t* c = (slotinfo_t*)dict_lookup(registry_classes, &tmp);
237 printf("%s.%s->%08x (%s.%s)\n", package, name, c, c->package, c->name);*/
240 slotinfo_t* registry_safefind(const char*package, const char*name)
242 slotinfo_t*c = registry_find(package, name);
244 printf("%s.%s\n", package, name);
252 for(t=0;t<registry_classes->hashsize;t++) {
253 dictentry_t*e = registry_classes->slots[t];
255 slotinfo_t*i = (slotinfo_t*)e->key;
256 printf("[%s] %s.%s\n", access2str(i->access), i->package, i->name);
262 memberinfo_t* registry_findmember(classinfo_t*cls, const char*ns, const char*name, char recursive, char is_static)
266 tmp.package = ns?ns:"";
270 return (memberinfo_t*)dict_lookup(&cls->members, &tmp);
272 return (memberinfo_t*)dict_lookup(&cls->static_members, &tmp);
274 /* look at classes directly extended by this class */
278 if(recursive>1) // check *only* superclasses
282 if(s->kind == INFOTYPE_UNRESOLVED)
286 m = (slotinfo_t*)dict_lookup(&s->members, &tmp);
287 if(m) return (memberinfo_t*)m;
289 m = (slotinfo_t*)dict_lookup(&s->static_members, &tmp);
290 if(m) return (memberinfo_t*)m;
294 /* look at interfaces, and parent interfaces */
296 while(cls->interfaces[t]) {
297 classinfo_t*s = cls->interfaces[t];
298 if(s->kind != INFOTYPE_UNRESOLVED) {
301 m = (slotinfo_t*)dict_lookup(&s->members, &tmp);
302 if(m) return (memberinfo_t*)m;
304 m = (slotinfo_t*)dict_lookup(&s->static_members, &tmp);
305 if(m) return (memberinfo_t*)m;
315 memberinfo_t* registry_findmember_nsset(classinfo_t*cls, namespace_list_t*ns, const char*name, char superclasses, char is_static)
319 m = registry_findmember(cls, ns->namespace->name, name, superclasses, is_static);
323 m = registry_findmember(cls, "", name, superclasses, is_static);
325 /* TODO: it maybe would be faster to just store the builtin namespace as "" in
326 builtins.c (update: some members (e.g. XML.length) are present both for
327 "" and "http:...builtin") */
328 m = registry_findmember(cls, "http://adobe.com/AS3/2006/builtin", name, superclasses, is_static);
334 void registry_fill_multiname(multiname_t*m, namespace_t*n, slotinfo_t*c)
338 m->ns->access = c->access;
339 m->ns->name = (char*)c->package;
341 m->namespace_set = 0;
343 multiname_t* classinfo_to_multiname(slotinfo_t*cls)
348 namespace_t ns = {cls->access, (char*)cls->package};
349 return multiname_new(&ns,cls->name);
352 // ----------------------- memberinfo methods ------------------------------
354 /* hacky code to wrap a variable or function into a "type"
355 object, but keep a pointer to the "value" */
356 static dict_t* functionobjects = 0;
357 classinfo_t* slotinfo_asclass(slotinfo_t*f) {
358 if(!functionobjects) {
359 functionobjects = dict_new2(&ptr_type);
361 classinfo_t*c = dict_lookup(functionobjects, f);
366 classinfo_t*c = rfx_calloc(sizeof(classinfo_t)+sizeof(classinfo_t*));
367 c->access = ACCESS_PUBLIC;
369 if(f->kind == INFOTYPE_METHOD) {
370 c->name = "Function";
371 c->superclass = registry_getobjectclass();
372 } else if(f->kind == INFOTYPE_CLASS) {
374 c->superclass = registry_getobjectclass();
375 } else if(f->kind == INFOTYPE_VAR) {
378 c->name = "undefined";
381 dict_init2(&c->members, &memberinfo_type, 1);
382 dict_init2(&c->static_members, &memberinfo_type, 1);
384 dict_put(functionobjects, f, c);
388 classinfo_t* slotinfo_gettype(slotinfo_t*f)
391 if(f->kind == INFOTYPE_METHOD) {
392 return slotinfo_asclass(f);
393 } else if(f->kind == INFOTYPE_VAR) {
394 varinfo_t*v = (varinfo_t*)f;
403 // ----------------------- package handling ---------------------------
404 char registry_ispackage(const char*package)
406 /* crude approximation of "the real thing", but sufficient for now */
407 return !strncmp(package, "flash", 5);
409 // ----------------------- builtin types ------------------------------
411 char registry_isfunctionclass(classinfo_t*c) {
412 return (c && c->package && c->name &&
413 !strcmp(c->package, "") && !strcmp(c->name, "Function"));
415 char registry_isclassclass(classinfo_t*c) {
416 return (c && c->package && c->name &&
417 !strcmp(c->package, "") && !strcmp(c->name, "Class"));
420 classinfo_t* registry_getobjectclass() {
421 static classinfo_t*c = 0;
422 if(!c) c = (classinfo_t*)registry_safefind("", "Object");
425 classinfo_t* registry_getstringclass() {
426 static classinfo_t*c = 0;
427 if(!c) c = (classinfo_t*)registry_safefind("", "String");
430 classinfo_t* registry_getarrayclass() {
431 static classinfo_t*c = 0;
432 if(!c) c = (classinfo_t*)registry_safefind("", "Array");
435 classinfo_t* registry_getintclass() {
436 static classinfo_t*c = 0;
437 if(!c) c = (classinfo_t*)registry_safefind("", "int");
440 classinfo_t* registry_getuintclass() {
441 static classinfo_t*c = 0;
442 if(!c) c = (classinfo_t*)registry_safefind("", "uint");
445 classinfo_t* registry_getbooleanclass() {
446 static classinfo_t*c = 0;
447 if(!c) c = (classinfo_t*)registry_safefind("", "Boolean");
450 classinfo_t* registry_getnumberclass() {
451 static classinfo_t*c = 0;
452 if(!c) c = (classinfo_t*)registry_safefind("", "Number");
455 classinfo_t* registry_getregexpclass() {
456 static classinfo_t*c = 0;
457 if(!c) c = (classinfo_t*)registry_safefind("", "RegExp");
460 classinfo_t* registry_getdateclass() {
461 static classinfo_t*c = 0;
462 if(!c) c = (classinfo_t*)registry_safefind("", "Date");
465 classinfo_t* registry_getxmlclass() {
466 static classinfo_t*c = 0;
467 if(!c) c = (classinfo_t*)registry_safefind("", "XML");
470 classinfo_t* registry_getxmllistclass() {
471 static classinfo_t*c = 0;
472 if(!c) c = (classinfo_t*)registry_safefind("", "XMLList");
475 classinfo_t* registry_getnamespaceclass() {
476 static classinfo_t*c = 0;
477 if(!c) c = (classinfo_t*)registry_safefind("", "Namespace");
480 classinfo_t* registry_getMovieClip() {
481 static classinfo_t*c = 0;
482 if(!c) c = (classinfo_t*)registry_safefind("flash.display", "MovieClip");
486 // ----------------------- builtin dummy types -------------------------
487 classinfo_t nullclass = {
488 INFOTYPE_CLASS,0,0,ACCESS_PACKAGE, "", "null", 0, 0, 0
490 classinfo_t* registry_getnullclass() {
493 classinfo_t voidclass = {
494 INFOTYPE_CLASS,0,0,ACCESS_PACKAGE, "", "void", 0, 0, 0
496 classinfo_t* registry_getvoidclass() {
500 namespace_t access2namespace(U8 access, char*package)
508 char* infotypename(slotinfo_t*s)
510 if(s->kind == INFOTYPE_CLASS) return "class";
511 else if(s->kind == INFOTYPE_VAR) return "var";
512 else if(s->kind == INFOTYPE_METHOD) return "function";
513 else return "object";
516 void slotinfo_dump(slotinfo_t*s)
519 printf("%s %s.%s", infotypename(s), s->package, s->name);
521 printf("%s %s", infotypename(s), s->name);
523 if(s->kind == INFOTYPE_CLASS) {
524 classinfo_t*c = (classinfo_t*)s;
526 else if(s->kind == INFOTYPE_VAR) {
527 varinfo_t*v = (varinfo_t*)s;
528 printf(":%s", v->type?v->type->name:"*");
530 printf("=%s", constant_tostring(v->value));
532 printf(" (slot:%d)", v->slot);
534 else if(s->kind == INFOTYPE_METHOD) {
535 methodinfo_t*m = (methodinfo_t*)s;