trait_new_method now takes a trait list as first argument
[swftools.git] / lib / as3 / abc.c
index 04ce699..a4f174d 100644 (file)
@@ -97,8 +97,8 @@ static void parse_metadata(TAG*tag, abc_file_t*file, pool_t*pool)
         for(s=0;s<num;s++) {
             int i1 = swf_GetU30(tag);
             int i2 = swf_GetU30(tag);
-            char*key = i1?pool_lookup_string(pool, i1):"";
-            char*value = i2?pool_lookup_string(pool, i2):"";
+            const char*key = i1?pool_lookup_string(pool, i1):"";
+            const char*value = i2?pool_lookup_string(pool, i2):"";
             DEBUG printf("    %s=%s\n", key, value);
             array_append(items, key, strdup(value));
         }
@@ -170,54 +170,49 @@ void abc_class_add_interface(abc_class_t*c, multiname_t*interface)
     list_append(c->interfaces, multiname_clone(interface));
 }
 
-abc_method_body_t* add_method(abc_file_t*file, abc_class_t*cls, multiname_t*returntype, int num_params, va_list va)
+abc_method_t* abc_method_new(abc_file_t*file, multiname_t*returntype, char body)
 {
-    /* construct code (method body) object */
-    NEW(abc_method_body_t,c);
-    array_append(file->method_bodies, NO_KEY, c);
-    c->index = array_length(file->method_bodies);
-    c->file = file;
-    c->traits = list_new();
-    c->code = 0;
-
     /* construct method object */
     NEW(abc_method_t,m);
     m->index = array_length(file->methods);
     array_append(file->methods, NO_KEY, m);
-
     m->return_type = returntype;
 
-    int t;
-    for(t=0;t<num_params;t++) {
-       const char*param = va_arg(va, const char*);
-       list_append(m->parameters, multiname_fromstring(param));
+    if(body) {
+        /* construct code (method body) object */
+        NEW(abc_method_body_t,c);
+        array_append(file->method_bodies, NO_KEY, c);
+        c->index = array_length(file->method_bodies);
+        c->file = file;
+        c->traits = list_new();
+        c->code = 0;
+
+        /* crosslink the two objects */
+        m->body = c;
+        c->method = m;
     }
 
-    /* crosslink the two objects */
-    m->body = c;
-    c->method = m;
-
-    return c;
+    return m;
 }
 
-abc_method_body_t* abc_class_constructor(abc_class_t*cls, multiname_t*returntype, int num_params, ...) 
+abc_method_t* abc_class_getconstructor(abc_class_t*cls, multiname_t*returntype)
 {
-    va_list va;
-    va_start(va, num_params);
-    abc_method_body_t* c = add_method(cls->file, cls, returntype, num_params, va);
-    va_end(va);
-    cls->constructor = c->method;
-    return c;
+    if(cls->constructor) {
+        return cls->constructor;
+    }
+    abc_method_t* m = abc_method_new(cls->file, returntype, 1);
+    cls->constructor = m;
+    return m;
 }
 
-abc_method_body_t* abc_class_staticconstructor(abc_class_t*cls, multiname_t*returntype, int num_params, ...) 
+abc_method_t* abc_class_getstaticconstructor(abc_class_t*cls, multiname_t*returntype)
 {
-    va_list va;
-    va_start(va, num_params);
-    abc_method_body_t* c = add_method(cls->file, cls, returntype, num_params, va);
-    va_end(va);
-    cls->static_constructor = c->method;
-    return c;
+    if(cls->static_constructor) {
+        return cls->static_constructor;
+    }
+    abc_method_t* m = abc_method_new(cls->file, returntype, 1);
+    cls->static_constructor = m;
+    return m;
 }
 
 trait_t*trait_new(int type, multiname_t*name, int data1, int data2, constant_t*v)
@@ -232,7 +227,7 @@ trait_t*trait_new(int type, multiname_t*name, int data1, int data2, constant_t*v
     trait->value = v;
     return trait;
 }
-trait_t*trait_new_member(multiname_t*type, multiname_t*name,constant_t*v)
+trait_t*trait_new_member(trait_list_t**traits, multiname_t*type, multiname_t*name,constant_t*v)
 {
     int kind = TRAIT_SLOT;
     trait_t*trait = malloc(sizeof(trait_t));
@@ -241,9 +236,12 @@ trait_t*trait_new_member(multiname_t*type, multiname_t*name,constant_t*v)
     trait->attributes = kind&0xf0;
     trait->name = name;
     trait->type_name = type;
+    
+    trait->slot_id = list_length_(traits)+1;
+    list_append_(traits, trait);
     return trait;
 }
-trait_t*trait_new_method(multiname_t*name, abc_method_t*m)
+trait_t*trait_new_method(trait_list_t**traits, multiname_t*name, abc_method_t*m)
 {
     int type = TRAIT_METHOD;
     trait_t*trait = malloc(sizeof(trait_t));
@@ -252,37 +250,48 @@ trait_t*trait_new_method(multiname_t*name, abc_method_t*m)
     trait->attributes = type&0xf0;
     trait->name = name;
     trait->method = m;
+    
+    /* start assigning traits at position #1.
+       Weird things happen when assigning slot 0- slot 0 and 1 seem
+       to be identical */
+    trait->slot_id = list_length_(traits)+1;
+    list_append_(traits, trait);
     return trait;
 }
 
-abc_method_body_t* abc_class_method(abc_class_t*cls, multiname_t*returntype, char*name, int num_params, ...)
+abc_method_t* abc_class_method(abc_class_t*cls, multiname_t*returntype, multiname_t*name)
 {
     abc_file_t*file = cls->file;
-    va_list va;
-    va_start(va, num_params);
-    abc_method_body_t* c = add_method(cls->file, cls, returntype, num_params, va);
-    va_end(va);
-    trait_t*t = trait_new_method(multiname_fromstring(name), c->method);
-    c->method->trait = t;
-    /* start assigning traits at position #1.
-       Weird things happen when assigning slot 0- slot 0 and 1 seem
-       to be identical */
-    t->slot_id = list_length(cls->traits)+1;
-    list_append(cls->traits, t);
-    return c;
+    abc_method_t* m = abc_method_new(cls->file, returntype, !(cls->flags&CLASS_INTERFACE));
+    m->trait = trait_new_method(&cls->traits, multiname_clone(name), m);
+    return m;
+}
+abc_method_t* abc_class_staticmethod(abc_class_t*cls, multiname_t*returntype, multiname_t*name)
+{
+    abc_file_t*file = cls->file;
+    abc_method_t* m = abc_method_new(cls->file, returntype, !(cls->flags&CLASS_INTERFACE));
+    m->trait = trait_new_method(&cls->static_traits, multiname_clone(name), m);
+    return m;
 }
 
-trait_t* abc_class_slot(abc_class_t*cls, char*name, multiname_t*type)
+trait_t* abc_class_slot(abc_class_t*cls, multiname_t*name, multiname_t*type)
+{
+    abc_file_t*file = cls->file;
+    multiname_t*m_name = multiname_clone(name);
+    multiname_t*m_type = multiname_clone(type);
+    trait_t*t = trait_new_member(&cls->traits, m_type, m_name, 0);
+    return t;
+}
+trait_t* abc_class_staticslot(abc_class_t*cls, multiname_t*name, multiname_t*type)
 {
     abc_file_t*file = cls->file;
-    multiname_t*m_name = multiname_fromstring(name);
+    multiname_t*m_name = multiname_clone(name);
     multiname_t*m_type = multiname_clone(type);
-    trait_t*t = trait_new_member(m_type, m_name, 0);
-    t->slot_id = list_length(cls->traits)+1;
-    list_append(cls->traits, t);
+    trait_t*t = trait_new_member(&cls->traits, m_type, m_name, 0);
     return t;
 }
 
+
 trait_t* abc_class_find_slotid(abc_class_t*cls, int slotid)
 {
     trait_list_t*l;
@@ -318,31 +327,38 @@ int abc_initscript_addClassTrait(abc_script_t*script, multiname_t*multiname, abc
     return slotid;
 }
 
-abc_script_t* abc_initscript(abc_file_t*file, multiname_t*returntype, int num_params, ...) 
+abc_script_t* abc_initscript(abc_file_t*file, multiname_t*returntype)
 {
-    va_list va;
-    va_start(va, num_params);
-    abc_method_body_t* c = add_method(file, 0, returntype, num_params, va);
+    abc_method_t*m = abc_method_new(file, returntype, 1);
     abc_script_t* s = malloc(sizeof(abc_script_t));
-    s->method = c->method;
+    s->method = m;
     s->traits = list_new();
     s->file = file;
     array_append(file->scripts, NO_KEY, s);
-    va_end(va);
     return s;
 }
 
-static void traits_dump(FILE*fo, const char*prefix, trait_list_t*traits, abc_file_t*file);
+static void traits_dump(FILE*fo, const char*prefix, trait_list_t*traits, abc_file_t*file, dict_t*methods_seen);
 
-static void dump_method(FILE*fo, const char*prefix, const char*type, const char*name, abc_method_t*m, abc_file_t*file)
+static void dump_method(FILE*fo, const char*prefix, 
+                                 const char*attr, 
+                                 const char*type, 
+                                 const char*name, 
+                                 abc_method_t*m, abc_file_t*file, dict_t*methods_seen)
 {
+    if(methods_seen)
+        dict_put(methods_seen, m, 0);
+
     char*return_type = 0;
     if(m->return_type)
         return_type = multiname_tostring(m->return_type);
     else
         return_type = strdup("void");
     char*paramstr = params_tostring(m->parameters);
-    fprintf(fo, "%s%s %s %s=%s %s (%d params)\n", prefix, type, return_type, name, m->name, paramstr, list_length(m->parameters));
+    fprintf(fo, "%s%s%s %s %s=%s %s (%d params, %d optional)\n", prefix, attr, type, return_type, name, m->name, paramstr, 
+            list_length(m->parameters),
+            list_length(m->optional_parameters)
+            );
     free(paramstr);paramstr=0;
     free(return_type);return_type=0;
 
@@ -375,7 +391,7 @@ static void dump_method(FILE*fo, const char*prefix, const char*type, const char*
     char prefix2[80];
     sprintf(prefix2, "%s    ", prefix);
     if(c->traits)
-        traits_dump(fo, prefix, c->traits, file);
+        traits_dump(fo, prefix, c->traits, file, methods_seen);
     fprintf(fo, "%s{\n", prefix);
     code_dump(c->code, c->exceptions, file, prefix2, fo);
     fprintf(fo, "%s}\n\n", prefix);
@@ -540,7 +556,7 @@ static void traits_write(pool_t*pool, TAG*tag, trait_list_t*traits)
 }
 
 
-static void traits_dump(FILE*fo, const char*prefix, trait_list_t*traits, abc_file_t*file)
+static void traits_dump(FILE*fo, const char*prefix, trait_list_t*traits, abc_file_t*file, dict_t*methods_seen)
 {
     int t;
     while(traits) {
@@ -548,18 +564,31 @@ static void traits_dump(FILE*fo, const char*prefix, trait_list_t*traits, abc_fil
        char*name = multiname_tostring(trait->name);
        U8 kind = trait->kind;
         U8 attributes = trait->attributes;
+
+        char a = attributes & (TRAIT_ATTR_OVERRIDE|TRAIT_ATTR_FINAL);
+        char* type = "";
+        if(a==TRAIT_ATTR_FINAL)
+            type = "final ";
+        else if(a==TRAIT_ATTR_OVERRIDE)
+            type = "override ";
+        else if(a==(TRAIT_ATTR_OVERRIDE|TRAIT_ATTR_FINAL))
+            type = "final override ";
+        
+        if(attributes&TRAIT_ATTR_METADATA)
+            fprintf(fo, "<metadata>");
+
        if(kind == TRAIT_METHOD) {
             abc_method_t*m = trait->method;
-           dump_method(fo, prefix, "method", name, m, file);
+           dump_method(fo, prefix, type, "method", name, m, file, methods_seen);
        } else if(kind == TRAIT_GETTER) {
             abc_method_t*m = trait->method;
-           dump_method(fo, prefix, "getter", name, m, file);
+           dump_method(fo, prefix, type, "getter", name, m, file, methods_seen);
         } else if(kind == TRAIT_SETTER) {
             abc_method_t*m = trait->method;
-           dump_method(fo, prefix, "setter", name, m, file);
+           dump_method(fo, prefix, type, "setter", name, m, file, methods_seen);
        } else if(kind == TRAIT_FUNCTION) { // function
             abc_method_t*m = trait->method;
-           dump_method(fo, prefix, "function", name, m, file);
+           dump_method(fo, prefix, type, "function", name, m, file, methods_seen);
        } else if(kind == TRAIT_CLASS) { // class
             abc_class_t*cls = trait->cls;
             if(!cls) {
@@ -606,6 +635,7 @@ void* swf_DumpABC(FILE*fo, void*code, char*prefix)
         fprintf(fo, "%s#\n", prefix);
     }
 
+    dict_t*methods_seen = dict_new2(&ptr_type);
     for(t=0;t<file->classes->num;t++) {
         abc_class_t*cls = (abc_class_t*)array_getvalue(file->classes, t);
         char prefix2[80];
@@ -643,25 +673,45 @@ void* swf_DumpABC(FILE*fo, void*code, char*prefix)
             fprintf(fo, "extra flags=%02x\n", cls->flags&0xf0);
        fprintf(fo, "%s{\n", prefix);
 
-        if(cls->static_constructor)
-            dump_method(fo, prefix2,"staticconstructor", "", cls->static_constructor, file);
-        traits_dump(fo, prefix2, cls->static_traits, file);
+        dict_put(methods_seen, cls->static_constructor, 0);
+        dict_put(methods_seen, cls->constructor, 0);
+
+        if(cls->static_constructor) {
+            dump_method(fo, prefix2, "", "staticconstructor", "", cls->static_constructor, file, methods_seen);
+        }
+        traits_dump(fo, prefix2, cls->static_traits, file, methods_seen);
        
         char*n = multiname_tostring(cls->classname);
         if(cls->constructor)
-           dump_method(fo, prefix2, "constructor", n, cls->constructor, file);
+           dump_method(fo, prefix2, "", "constructor", n, cls->constructor, file, methods_seen);
         free(n);
-       traits_dump(fo, prefix2,cls->traits, file);
+       traits_dump(fo, prefix2,cls->traits, file, methods_seen);
         fprintf(fo, "%s}\n", prefix);
-
     }
     fprintf(fo, "%s\n", prefix);
 
     for(t=0;t<file->scripts->num;t++) {
         abc_script_t*s = (abc_script_t*)array_getvalue(file->scripts, t);
-        dump_method(fo, prefix,"initmethod", "init", s->method, file);
-        traits_dump(fo, prefix, s->traits, file);
+        dump_method(fo, prefix, "", "initmethod", "init", s->method, file, methods_seen);
+        traits_dump(fo, prefix, s->traits, file, methods_seen);
     }
+    
+    char extra=0;
+    for(t=0;t<file->methods->num;t++) {
+        abc_method_t*m = (abc_method_t*)array_getvalue(file->methods, t);
+        if(!dict_contains(methods_seen, m)) {
+            if(!extra) {
+                extra=1;
+                fprintf(fo, "\n");
+                fprintf(fo, "%s//internal (non-class non-script) methods:\n", prefix);
+            }
+            char name[18];
+            sprintf(name, "%08x ", m);
+            dump_method(fo, prefix, "", "internalmethod", name, m, file, methods_seen);
+        }
+    }
+    dict_destroy(methods_seen);
+
     return file;
 }
 
@@ -730,7 +780,7 @@ void* swf_ReadABC(TAG*tag)
             /* debug information- not used by avm2 */
             multiname_list_t*l = m->parameters;
             while(l) {
-               char*name = pool_lookup_string(pool, swf_GetU30(tag));
+               const char*name = pool_lookup_string(pool, swf_GetU30(tag));
                 l = l->next;
             }
        }
@@ -1281,7 +1331,7 @@ void swf_AddButtonLinks(SWF*swf, char stop_each_frame, char events)
     swf_SetU16(tag, 0);
     swf_SetString(tag, "rfx.MainTimeline");
 
-    c = abc_class_staticconstructor(cls, 0, 0);
+    c = abc_class_getstaticconstructor(cls, 0)->body;
     c->old.max_stack = 1;
     c->old.local_count = 1;
     c->old.init_scope_depth = 9;
@@ -1291,7 +1341,7 @@ void swf_AddButtonLinks(SWF*swf, char stop_each_frame, char events)
     __ pushscope(c);
     __ returnvoid(c);
 
-    c = abc_class_constructor(cls, 0, 0);
+    c = abc_class_getconstructor(cls, 0)->body;
     c->old.max_stack = 3;
     c->old.local_count = 1;
     c->old.init_scope_depth = 10;
@@ -1327,7 +1377,7 @@ void swf_AddButtonLinks(SWF*swf, char stop_each_frame, char events)
                 __ getlex(c,framename);
                 __ callpropvoid(c,"[package]::addFrameScript",2);
 
-                f = abc_class_method(cls, 0, framename, 0);
+                f = abc_class_method(cls, 0, multiname_fromstring(framename))->body;
                 f->old.max_stack = 3;
                 f->old.local_count = 1;
                 f->old.init_scope_depth = 10;
@@ -1355,7 +1405,9 @@ void swf_AddButtonLinks(SWF*swf, char stop_each_frame, char events)
                 needs_framescript = 1;
 
                 abc_method_body_t*h =
-                    abc_class_method(cls, 0, functionname, 1, "flash.events::MouseEvent");
+                    abc_class_method(cls, 0, multiname_fromstring(functionname))->body;
+                list_append(h->method->parameters, multiname_fromstring("flash.events::MouseEvent"));
+
                 h->old.max_stack = 6;
                 h->old.local_count = 2;
                 h->old.init_scope_depth = 10;
@@ -1430,13 +1482,13 @@ void swf_AddButtonLinks(SWF*swf, char stop_each_frame, char events)
             char buttonname[80];
             sprintf(buttonname, "::button%d", swf_GetDefineID(tag));
             multiname_t*s = multiname_fromstring(buttonname);
-            abc_class_slot(cls, buttonname, s);
+            abc_class_slot(cls, multiname_fromstring(buttonname), s);
         }
         tag = tag->next;
     }
 
 
-    abc_script_t*s = abc_initscript(file, 0, 0);
+    abc_script_t*s = abc_initscript(file, 0);
     c = s->method->body;
     c->old.max_stack = 2;
     c->old.local_count = 1;