+/* 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 <kramm@quiss.org>
+
+ 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 <assert.h>
#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;t<registry_classes->hashsize;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");
}
git.asbjorn.biz / swftools.git / blobdiff