X-Git-Url: http://git.asbjorn.biz/?p=swftools.git;a=blobdiff_plain;f=lib%2Fas3%2Fregistry.c;h=5c947e5ad6a2673e3e353890b55dc2da5531cc31;hp=5a688bd75671999ae9e7ef5b98c9514737e28649;hb=b6ebc39257e2814f08a17d8c179c3991c16053ba;hpb=207d9e7c1d108915492ec59cfc3376b30e016b78 diff --git a/lib/as3/registry.c b/lib/as3/registry.c index 5a688bd..5c947e5 100644 --- a/lib/as3/registry.c +++ b/lib/as3/registry.c @@ -1,84 +1,594 @@ +/* registry.c + + Routines for compiling Flash2 AVM2 ABC Actionscript + + Extension module for the rfxswf library. + Part of the swftools package. + + Copyright (c) 2008 Matthias Kramm + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +#include #include "pool.h" #include "registry.h" +#include "builtin.h" -static namespace_t static_empty_ns = { - ACCESS_PACKAGE, "" -}; -static namespace_t static_flash_display_ns = { - ACCESS_PACKAGE, "flash.display" -}; -static multiname_t static_object_class = { - QNAME, &static_empty_ns, 0, "Object" -}; -static multiname_t static_anytype_class = { - QNAME, &static_empty_ns, 0, 0 -}; -static multiname_t static_string_class = { - QNAME, &static_empty_ns, 0, "String" -}; -static multiname_t static_boolean_class = { - QNAME, &static_empty_ns, 0, "Boolean" -}; -static multiname_t static_number_class = { - QNAME, &static_empty_ns, 0, "Number" -}; -static multiname_t static_int_class = { - QNAME, &static_empty_ns, 0, "int" -}; -static multiname_t static_uint_class = { - QNAME, &static_empty_ns, 0, "uint" +dict_t*registry_classes=0; +asset_bundle_list_t*assets=0; + +// ----------------------- class signature ------------------------------ + +char slotinfo_equals(slotinfo_t*c1, slotinfo_t*c2) +{ + if(!!c1 != !!c2) + return 0; + /* notice: access right is *not* respected */ + if(!strcmp(c1->name, c2->name) && + !strcmp(c1->package, c2->package)) { + return 1; + } + return 0; +} +static unsigned int slotinfo_hash(slotinfo_t*c) +{ + unsigned int hash = 0; + hash = crc32_add_string(hash, c->package); + hash = crc32_add_string(hash, c->name); + return hash; +} +static unsigned int memberinfo_hash(slotinfo_t*c) +{ + unsigned int hash = 0; + hash = crc32_add_string(hash, c->name); + return hash; +} + +static void* dummy_clone(void*other) {return other;} +static void dummy_destroy(slotinfo_t*c) {} + +type_t slotinfo_type = { + hash: (hash_func)slotinfo_hash, + equals: (equals_func)slotinfo_equals, + dup: (dup_func)dummy_clone, // all signatures are static + free: (free_func)dummy_destroy, }; -static multiname_t static_movieclip_class = { - QNAME, &static_flash_display_ns, 0, "MovieClip" +type_t memberinfo_type = { + hash: (hash_func)memberinfo_hash, + equals: (equals_func)slotinfo_equals, + dup: (dup_func)dummy_clone, // all signatures are static + free: (free_func)dummy_destroy, }; -multiname_t* registry_getobjectclass() {return &static_object_class;} -multiname_t* registry_getanytype() {return &static_anytype_class;} -multiname_t* registry_getstringclass() {return &static_string_class;} -multiname_t* registry_getintclass() {return &static_int_class;} -multiname_t* registry_getuintclass() {return &static_uint_class;} -multiname_t* registry_getbooleanclass() {return &static_boolean_class;} -multiname_t* registry_getnumberclass() {return &static_number_class;} -multiname_t* registry_getMovieClip() {return &static_movieclip_class;} +// ----------------------- assets ------------------------------------- +static void use_asset(asset_bundle_t*a) +{ + a->used = 1; + asset_bundle_list_t*l = a->dependencies; + while(l) { + if(!l->asset_bundle->used) { + use_asset(l->asset_bundle); + } + l = l->next; + } +} +void registry_use(slotinfo_t*s) +{ + if(!s) return; + if(!(s->flags&FLAG_USED)) { + s->flags |= FLAG_USED; + if(s->kind == INFOTYPE_CLASS) { + classinfo_t*c=(classinfo_t*)s; + if(c->assets) { + use_asset(c->assets); + } + int t=0; + while(c->interfaces[t]) { + registry_use((slotinfo_t*)c->interfaces[t]); + t++; + } + while(c->superclass) { + c = c->superclass; + registry_use((slotinfo_t*)c); + } + } else if(s->kind == INFOTYPE_METHOD) { + methodinfo_t*m=(methodinfo_t*)s; + if(m->parent) { + registry_use((slotinfo_t*)m->parent); + } + } else if(s->kind == INFOTYPE_VAR) { + varinfo_t*v=(varinfo_t*)s; + if(v->parent) { + registry_use((slotinfo_t*)v->parent); + } + } + } +} +void registry_add_asset(asset_bundle_t*bundle) +{ + list_append(assets, bundle); +} +asset_bundle_list_t*registry_getassets() +{ + return assets; +} +// ----------------------- resolving ---------------------------------- +slotinfo_t* registry_resolve(slotinfo_t*_s) +{ + if(!_s || _s->kind != INFOTYPE_UNRESOLVED) + return _s; + unresolvedinfo_t*s = (unresolvedinfo_t*)_s; + + if(s->package) + return registry_find(s->package, s->name); + + namespace_list_t*l = s->nsset; + while(l) { + slotinfo_t* n = registry_find(l->namespace->name, s->name); + if(n) return n; + l = l->next; + } + return 0; +} + +static slotinfo_list_t*unresolved = 0; +static void schedule_for_resolve(slotinfo_t*s) +{ + list_append(unresolved, s); +} +static void resolve_on_slot(slotinfo_t*_member) +{ + if(_member->kind == INFOTYPE_VAR) { + varinfo_t*member = (varinfo_t*)_member; + member->type = (classinfo_t*)registry_resolve((slotinfo_t*)member->type); + } else if(_member->kind == INFOTYPE_METHOD) { + methodinfo_t*member = (methodinfo_t*)_member; + member->return_type = (classinfo_t*)registry_resolve((slotinfo_t*)member->return_type); + classinfo_list_t*l = member->params; + while(l) { + l->classinfo = (classinfo_t*)registry_resolve((slotinfo_t*)l->classinfo); + l = l->next; + } + } else fprintf(stderr, "Internal Error: bad slot %s", _member->name); +} +static void resolve_on_class(slotinfo_t*_cls) +{ + classinfo_t*cls = (classinfo_t*)_cls; + cls->superclass = (classinfo_t*)registry_resolve((slotinfo_t*)cls->superclass); + + DICT_ITERATE_DATA(&cls->members,slotinfo_t*,m) { + resolve_on_slot(m); + } + DICT_ITERATE_DATA(&cls->static_members,slotinfo_t*,m2) { + resolve_on_slot(m2); + } + + int t=0; + while(cls->interfaces[t]) { + cls->interfaces[t] = (classinfo_t*)registry_resolve((slotinfo_t*)cls->interfaces[t]); + t++; + } +} +void registry_resolve_all() +{ + while(unresolved) { + slotinfo_t*_s = unresolved->slotinfo; + if(_s->kind == INFOTYPE_CLASS) { + resolve_on_class(_s); + } else if(_s->kind == INFOTYPE_METHOD || _s->kind == INFOTYPE_VAR) { + resolve_on_slot(_s); + } else { + fprintf(stderr, "Internal Error: object %s.%s has bad type\n", _s->package, _s->name); + } + slotinfo_list_t*tofree = unresolved; + unresolved = unresolved->next; + free(tofree); + } +} +// ------------------------- constructors -------------------------------- + +#define AVERAGE_NUMBER_OF_MEMBERS 8 +classinfo_t* classinfo_register(int access, const char*package, const char*name, int num_interfaces) +{ + classinfo_t*c = rfx_calloc(sizeof(classinfo_t)+(sizeof(classinfo_t*)*(num_interfaces+1))); + c->interfaces[0] = 0; + c->kind = INFOTYPE_CLASS; + c->access = access; + c->package = package; + c->name = name; + dict_put(registry_classes, c, c); + dict_init2(&c->members, &memberinfo_type, AVERAGE_NUMBER_OF_MEMBERS); + dict_init2(&c->static_members, &memberinfo_type, AVERAGE_NUMBER_OF_MEMBERS); + + schedule_for_resolve((slotinfo_t*)c); + return c; +} +methodinfo_t* methodinfo_register_onclass(classinfo_t*cls, U8 access, const char*ns, const char*name, char is_static) +{ + NEW(methodinfo_t,m); + m->kind = INFOTYPE_METHOD; + m->access = access; + m->name = name; + m->package = ns; + m->parent = cls; + if(!is_static) + dict_put(&cls->members, m, m); + else + dict_put(&cls->static_members, m, m); + return m; +} +varinfo_t* varinfo_register_onclass(classinfo_t*cls, U8 access, const char*ns, const char*name, char is_static) +{ + NEW(varinfo_t,m); + m->kind = INFOTYPE_VAR; + m->access = access; + m->name = name; + m->package = ns; + m->parent = cls; + if(!is_static) + dict_put(&cls->members, m, m); + else + dict_put(&cls->static_members, m, m); + return m; +} +methodinfo_t* methodinfo_register_global(U8 access, const char*package, const char*name) +{ + NEW(methodinfo_t, m); + m->kind = INFOTYPE_METHOD; + m->flags = FLAG_STATIC; + m->access = access; + m->package = package; + m->name = name; + m->parent = 0; + dict_put(registry_classes, m, m); + + schedule_for_resolve((slotinfo_t*)m); + return m; +} +varinfo_t* varinfo_register_global(U8 access, const char*package, const char*name) +{ + NEW(varinfo_t, m); + m->kind = INFOTYPE_VAR; + m->flags = FLAG_STATIC; + m->access = access; + m->package = package; + m->name = name; + m->parent = 0; + dict_put(registry_classes, m, m); + + schedule_for_resolve((slotinfo_t*)m); + return m; +} + +// --------------- builtin classes (from builtin.c) ---------------------- + +void registry_init() +{ + if(!registry_classes) + registry_classes = builtin_getclasses(); +} +slotinfo_t* registry_find(const char*package, const char*name) +{ + assert(registry_classes); + slotinfo_t tmp; + tmp.package = package; + tmp.name = name; + slotinfo_t* c = (slotinfo_t*)dict_lookup(registry_classes, &tmp); + /*if(c) + printf("%s.%s->%08x (%s.%s)\n", package, name, c, c->package, c->name);*/ + return c; +} +slotinfo_t* registry_safefind(const char*package, const char*name) +{ + slotinfo_t*c = registry_find(package, name); + if(!c) { + printf("%s.%s\n", package, name); + } + assert(c); + return c; +} +void registry_dump() +{ + int t; + for(t=0;thashsize;t++) { + dictentry_t*e = registry_classes->slots[t]; + while(e) { + slotinfo_t*i = (slotinfo_t*)e->key; + printf("[%s] %s.%s\n", access2str(i->access), i->package, i->name); + e = e->next; + } + } +} + +memberinfo_t* registry_findmember(classinfo_t*cls, const char*ns, const char*name, char recursive, char is_static) +{ + memberinfo_t tmp; + tmp.name = name; + tmp.package = ns?ns:""; + + if(!recursive) { + if(!is_static) + return (memberinfo_t*)dict_lookup(&cls->members, &tmp); + else + return (memberinfo_t*)dict_lookup(&cls->static_members, &tmp); + } + /* look at classes directly extended by this class */ + slotinfo_t*m = 0; + classinfo_t*s = cls; + + if(recursive>1) // check *only* superclasses + s = s->superclass; + + while(s) { + if(s->kind == INFOTYPE_UNRESOLVED) + break; + + if(!is_static) { + m = (slotinfo_t*)dict_lookup(&s->members, &tmp); + if(m) return (memberinfo_t*)m; + } + m = (slotinfo_t*)dict_lookup(&s->static_members, &tmp); + if(m) return (memberinfo_t*)m; + s = s->superclass; + } + /* look at interfaces, and parent interfaces */ + int t=0; + while(cls->interfaces[t]) { + classinfo_t*s = cls->interfaces[t]; + if(s->kind != INFOTYPE_UNRESOLVED) { + while(s) { + if(!is_static) { + m = (slotinfo_t*)dict_lookup(&s->members, &tmp); + if(m) return (memberinfo_t*)m; + } + m = (slotinfo_t*)dict_lookup(&s->static_members, &tmp); + if(m) return (memberinfo_t*)m; -multiname_t* registry_findclass(const char*package, const char*name) + s = s->superclass; + } + } + t++; + } + return 0; +} + +memberinfo_t* registry_findmember_nsset(classinfo_t*cls, namespace_list_t*ns, const char*name, char superclasses, char is_static) { + memberinfo_t*m = 0; + while(ns) { + m = registry_findmember(cls, ns->namespace->name, name, superclasses, is_static); + if(m) return m; + ns = ns->next; + } + m = registry_findmember(cls, "", name, superclasses, is_static); + if(m) return m; + /* TODO: it maybe would be faster to just store the builtin namespace as "" in + builtins.c (update: some members (e.g. XML.length) are present both for + "" and "http:...builtin") */ + m = registry_findmember(cls, "http://adobe.com/AS3/2006/builtin", name, superclasses, is_static); + if(m) return m; + return 0; +} + + +void registry_fill_multiname(multiname_t*m, namespace_t*n, slotinfo_t*c) +{ + m->type = QNAME; + m->ns = n; + m->ns->access = c->access; + m->ns->name = (char*)c->package; + m->name = c->name; + m->namespace_set = 0; +} +multiname_t* classinfo_to_multiname(slotinfo_t*cls) +{ + if(!cls) + return 0; multiname_t*m=0; - if(!package) { - m = multiname_new(0, name); + namespace_t ns = {cls->access, (char*)cls->package}; + return multiname_new(&ns,cls->name); +} + +// ----------------------- memberinfo methods ------------------------------ + +/* hacky code to wrap a variable or function into a "type" + object, but keep a pointer to the "value" */ +static dict_t* functionobjects = 0; +classinfo_t* slotinfo_asclass(slotinfo_t*f) { + if(!functionobjects) { + functionobjects = dict_new2(&ptr_type); } else { - namespace_t*ns = 0; + classinfo_t*c = dict_lookup(functionobjects, f); + if(c) + return c; + } - /* things in the "flash" package are usually public */ - if(!strncmp(package, "flash", 5)) - ns =namespace_new_package(package); - else - ns = namespace_new_packageinternal(package); + classinfo_t*c = rfx_calloc(sizeof(classinfo_t)+sizeof(classinfo_t*)); + c->access = ACCESS_PUBLIC; + c->package = ""; + if(f->kind == INFOTYPE_METHOD) { + c->name = "Function"; + c->superclass = registry_getobjectclass(); + } else if(f->kind == INFOTYPE_CLASS) { + c->name = "Class"; + c->superclass = registry_getobjectclass(); + } else if(f->kind == INFOTYPE_VAR) { + c->name = "Object"; + } else { + c->name = "undefined"; + } + + dict_init2(&c->members, &memberinfo_type, 1); + dict_init2(&c->static_members, &memberinfo_type, 1); + c->data = f; + dict_put(functionobjects, f, c); + return c; +} - m = multiname_new(ns,name); - namespace_destroy(ns); +classinfo_t* slotinfo_gettype(slotinfo_t*f) +{ + if(f) { + if(f->kind == INFOTYPE_METHOD) { + return slotinfo_asclass(f); + } else if(f->kind == INFOTYPE_VAR) { + varinfo_t*v = (varinfo_t*)f; + return v->type; + } else + return 0; + } else { + return TYPE_ANY; } - return m; } -multiname_t* registry_getsuperclass(multiname_t*m) + +// ----------------------- package handling --------------------------- +char registry_ispackage(const char*package) { - if(!m->name) - return 0; - if(!strcmp(m->name, "Object")) - return 0; + /* crude approximation of "the real thing", but sufficient for now */ + return !strncmp(package, "flash", 5); +} +// ----------------------- builtin types ------------------------------ - else if(!strcmp(m->name, "MovieClip")) - return multiname_fromstring("[package]flash.display::Sprite"); - else if(!strcmp(m->name, "Sprite")) - return multiname_fromstring("[package]flash.display::DisplayObjectContainer"); - else if(!strcmp(m->name, "DisplayObjectContainer")) - return multiname_fromstring("[package]flash.display::InteractiveObject"); - else if(!strcmp(m->name, "InteractiveObject")) - return multiname_fromstring("[package]flash.display::DisplayObject"); - else if(!strcmp(m->name, "DisplayObject")) - return multiname_fromstring("[package]flash.events::EventDispatcher"); - else - return &static_object_class; +char registry_isfunctionclass(classinfo_t*c) { + return (c && c->package && c->name && + !strcmp(c->package, "") && !strcmp(c->name, "Function")); +} +char registry_isclassclass(classinfo_t*c) { + return (c && c->package && c->name && + !strcmp(c->package, "") && !strcmp(c->name, "Class")); +} + +classinfo_t* registry_getobjectclass() { + static classinfo_t*c = 0; + if(!c) c = (classinfo_t*)registry_safefind("", "Object"); + return c; +} +classinfo_t* registry_getstringclass() { + static classinfo_t*c = 0; + if(!c) c = (classinfo_t*)registry_safefind("", "String"); + return c; +} +classinfo_t* registry_getarrayclass() { + static classinfo_t*c = 0; + if(!c) c = (classinfo_t*)registry_safefind("", "Array"); + return c; +} +classinfo_t* registry_getintclass() { + static classinfo_t*c = 0; + if(!c) c = (classinfo_t*)registry_safefind("", "int"); + return c; +} +classinfo_t* registry_getuintclass() { + static classinfo_t*c = 0; + if(!c) c = (classinfo_t*)registry_safefind("", "uint"); + return c; +} +classinfo_t* registry_getbooleanclass() { + static classinfo_t*c = 0; + if(!c) c = (classinfo_t*)registry_safefind("", "Boolean"); + return c; +} +classinfo_t* registry_getnumberclass() { + static classinfo_t*c = 0; + if(!c) c = (classinfo_t*)registry_safefind("", "Number"); + return c; +} +classinfo_t* registry_getregexpclass() { + static classinfo_t*c = 0; + if(!c) c = (classinfo_t*)registry_safefind("", "RegExp"); + return c; +} +classinfo_t* registry_getdateclass() { + static classinfo_t*c = 0; + if(!c) c = (classinfo_t*)registry_safefind("", "Date"); + return c; +} +classinfo_t* registry_getxmlclass() { + static classinfo_t*c = 0; + if(!c) c = (classinfo_t*)registry_safefind("", "XML"); + return c; +} +classinfo_t* registry_getxmllistclass() { + static classinfo_t*c = 0; + if(!c) c = (classinfo_t*)registry_safefind("", "XMLList"); + return c; +} +classinfo_t* registry_getnamespaceclass() { + static classinfo_t*c = 0; + if(!c) c = (classinfo_t*)registry_safefind("", "Namespace"); + return c; +} +classinfo_t* registry_getMovieClip() { + static classinfo_t*c = 0; + if(!c) c = (classinfo_t*)registry_safefind("flash.display", "MovieClip"); + return c; +} + +// ----------------------- builtin dummy types ------------------------- +classinfo_t nullclass = { + INFOTYPE_CLASS,0,0,ACCESS_PACKAGE, "", "null", 0, 0, 0 +}; +classinfo_t* registry_getnullclass() { + return &nullclass; +} +classinfo_t voidclass = { + INFOTYPE_CLASS,0,0,ACCESS_PACKAGE, "", "void", 0, 0, 0 +}; +classinfo_t* registry_getvoidclass() { + return &voidclass; +} + +namespace_t access2namespace(U8 access, char*package) +{ + namespace_t ns; + ns.access = access; + ns.name = package; + return ns; +} + +char* infotypename(slotinfo_t*s) +{ + if(s->kind == INFOTYPE_CLASS) return "class"; + else if(s->kind == INFOTYPE_VAR) return "var"; + else if(s->kind == INFOTYPE_METHOD) return "function"; + else return "object"; +} + +void slotinfo_dump(slotinfo_t*s) +{ + if(s->package[0]) { + printf("%s %s.%s", infotypename(s), s->package, s->name); + } else { + printf("%s %s", infotypename(s), s->name); + } + if(s->kind == INFOTYPE_CLASS) { + classinfo_t*c = (classinfo_t*)s; + } + else if(s->kind == INFOTYPE_VAR) { + varinfo_t*v = (varinfo_t*)s; + printf(":%s", v->type?v->type->name:"*"); + if(v->value) + printf("=%s", constant_tostring(v->value)); + if(v->slot) + printf(" (slot:%d)", v->slot); + } + else if(s->kind == INFOTYPE_METHOD) { + methodinfo_t*m = (methodinfo_t*)s; + } + else { + } + printf("\n"); }