--- /dev/null
+/* abc.c
+
+ Routines for handling 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 <stdarg.h>
+#include <assert.h>
+#include "../rfxswf.h"
+#include "abc.h"
+
+char stringbuffer[2048];
+
+dict_t* dict_new() {
+ dict_t*d = malloc(sizeof(dict_t));
+ memset(d, 0, sizeof(dict_t));
+ return d;
+}
+
+void dict_free(dict_t*dict) {
+ if(dict->d)
+ free(dict->d);dict->d = 0;
+ free(dict);
+}
+
+const char*dict_getstr(dict_t*dict, int nr) {
+ if(nr > dict->num || nr<0) {
+ printf("error: reference to string %d in dict\n");
+ return 0;
+ }
+ return dict->d[nr].name;
+}
+char*dict_getdata(dict_t*dict, int nr) {
+ if(nr > dict->num || nr<0) {
+ printf("error: reference to string %d in dict\n");
+ return 0;
+ }
+ return dict->d[nr].data;
+}
+int dict_append(dict_t*dict, const char*name, void*data) {
+ while(dict->size <= dict->num) {
+ dict->size += 64;
+ if(!dict->d) {
+ dict->d = malloc(sizeof(dict_entry_t)*dict->size);
+ } else {
+ dict->d = realloc(dict->d, sizeof(dict_entry_t)*dict->size);
+ }
+ }
+ if(name) {
+ dict->d[dict->num].name = strdup(name);
+ } else {
+ dict->d[dict->num].name = 0;
+ }
+ dict->d[dict->num].data = data;
+ return dict->num++;
+}
+int dict_find(dict_t*dict, const char*name)
+{
+ if(!name)
+ name = "";
+ int t;
+ for(t=0;t<dict->num;t++) {
+ if(dict->d[t].name && !strcmp(dict->d[t].name,name))
+ return t;
+ }
+ return -1;
+}
+int dict_find2(dict_t*dict, const char*name, void*data)
+{
+ if(!name)
+ name = "";
+ int t;
+ for(t=0;t<dict->num;t++) {
+ if(dict->d[t].name && !strcmp(dict->d[t].name,name) && dict->d[t].data == data)
+ return t;
+ }
+ return -1;
+}
+int dict_update(dict_t*dict, const char*name, void*data) {
+ int pos = dict_find(dict, name);
+ if(pos>=0) {
+ dict->d[pos].data = data;
+ return pos;
+ }
+ return dict_append(dict, name, data);
+}
+int dict_append_if_new(dict_t*dict, const char*name, void*data) {
+ int pos = dict_find(dict, name);
+ if(pos>=0)
+ return pos;
+ return dict_append(dict, name, data);
+}
+int dict_append_if_new2(dict_t*dict, const char*name, void*data) {
+ int pos = dict_find2(dict, name, data);
+ if(pos>=0)
+ return pos;
+ return dict_append(dict, name, data);
+}
+
+typedef struct _commonlist {
+ void*entry;
+ struct _commonlist*next;
+ struct _commonlist*last[0];
+} commonlist_t;
+
+int list_length(void*_list)
+{
+ commonlist_t*l = (commonlist_t*)_list;
+ int n=0;
+ while(l) {
+ l = l->next;
+ n++;
+ }
+ return n;
+}
+void list_append(void*_list, void*entry)
+{
+ commonlist_t**list = (commonlist_t**)_list;
+ commonlist_t* n = 0;
+ if(!*list) {
+ n = malloc(sizeof(commonlist_t)+sizeof(commonlist_t*));
+ *list = n;
+ } else {
+ n = malloc(sizeof(commonlist_t));
+ (*list)->last[0]->next = n;
+ }
+ n->next = 0;
+ n->entry = entry;
+ (*list)->last[0] = n;
+}
+
+int swf_GetU30(TAG*tag)
+{
+ U32 shift = 0;
+ U32 s = 0;
+ while(1) {
+ U8 b = swf_GetU8(tag);
+ s|=(b&127)<<shift;
+ shift+=7;
+ if(!(b&128))
+ break;
+ }
+ return s;
+}
+
+int swf_GetS30(TAG*tag)
+{
+ U32 shift = 0;
+ U32 s = 0;
+ while(1) {
+ U8 b = swf_GetU8(tag);
+ s|=(b&127)<<shift;
+ shift+=7;
+ if(!(b&128)) {
+ if(b&64) {
+ s|=0xffffffff<<shift;
+ }
+ break;
+ }
+ }
+ return s;
+}
+
+double swf_GetD64(TAG*tag)
+{
+ double value = *(double*)&tag->data[tag->pos];
+ swf_GetU32(tag);
+ swf_GetU32(tag);
+ return value;
+}
+
+
+typedef struct _opcode
+{
+ unsigned char opcode;
+ char*name;
+ char*params;
+} opcode_t;
+
+/* 2 = multiname
+ m = method
+ n = number of params
+ i = method info
+ b = byte
+ s = short
+ c = class
+ s = string
+ S = switch
+*/
+
+int abc_RegisterNameSpace(abc_file_t*file, const char*name);
+int abc_RegisterPackageNameSpace(abc_file_t*file, const char*name);
+int abc_RegisterPackageInternalNameSpace(abc_file_t*file, const char*name);
+int abc_RegisterProtectedNameSpace(abc_file_t*file, const char*name);
+int abc_RegisterExplicitNameSpace(abc_file_t*file, const char*name);
+int abc_RegisterStaticProtectedNameSpace(abc_file_t*file, const char*name);
+int abc_RegisterPrivateNameSpace(abc_file_t*file, const char*name);
+
+
+opcode_t opcodes[]={
+{0xa0, "add", ""},
+{0xc5, "add_i", ""},
+{0x86, "atype", "2"},
+{0x87, "astypelate", ""},
+{0xA8, "bitand", ""},
+{0x97, "bitnot", ""},
+{0xa9, "bitor", ""},
+{0xaa, "bitxor", ""},
+{0x41, "call", "n"},
+{0x43, "callmethod", "mn"},
+{0x4c, "callproplex", "2n"},
+{0x46, "callproperty", "2n"},
+{0x4f, "callpropvoid", "2n"},
+{0x44, "callstatic", "in"},
+{0x45, "callsuper", "2n"},
+{0x4e, "callsupervoid", "2n"},
+{0x78, "checkfilter", ""},
+{0x80, "coerce", "m"},
+{0x82, "coerce_a", ""},
+{0x85, "coerce_s", ""},
+{0x42, "construct", "n"},
+{0x4a, "constructprop", "2n"},
+{0x49, "constructsuper", "n"},
+{0x76, "convert_b", ""},
+{0x73, "convert_i", ""},
+{0x75, "convert_d", ""},
+{0x77, "convert_o", ""},
+{0x74, "convert_u", ""},
+{0x70, "convert_s", ""},
+{0xef, "debug", "bsbu"},
+{0xf1, "debugfile", "s"},
+{0xf0, "debugline", "u"},
+{0x94, "declocal", "u"},
+{0xc3, "declocal_i", "u"},
+{0x93, "decrement", ""},
+{0xc1, "decrement_i", ""},
+{0x6a, "deleteproperty", "2"},
+{0xa3, "divide", ""},
+{0x2a, "dup", ""},
+{0x06, "dxns", "s"},
+{0x07, "dxnslate", ""},
+{0xab, "equals", ""},
+{0x72, "esc_xattr", ""},
+{0x71, "esc_xelem", ""},
+{0x5e, "findproperty", "2"},
+{0x5d, "findpropstrict", "2"},
+{0x59, "getdescendants", "2"},
+{0x64, "getglobalscope", ""},
+{0x6e, "getglobalslot", "u"},
+{0x60, "getlex", "2"},
+{0x62, "getlocal", "u"},
+{0xd0, "getlocal_0", ""},
+{0xd1, "getlocal_1", ""},
+{0xd2, "getlocal_2", ""},
+{0xd3, "getlocal_3", ""},
+{0x66, "getproperty", "2"},
+{0x65, "getscopeobject", "u"},
+{0x6c, "getslot", "u"},
+{0x04, "getsuper", "2"},
+{0xaf, "greaterequals", ""},
+{0x1f, "hasnext", ""},
+{0x32, "hasnext2", "uu"},
+{0x13, "ifeq", "j"},
+{0x12, "iffalse", "j"},
+{0x18, "ifge", "j"},
+{0x17, "ifgt", "j"},
+{0x16, "ifle", "j"},
+{0x15, "iflt", "j"},
+{0x0f, "ifnge", "j"},
+{0x0e, "ifngt", "j"},
+{0x0d, "ifnle", "j"},
+{0x0c, "ifnlt", "j"},
+{0x14, "ifne", "j"},
+{0x19, "ifstricteq", "j"},
+{0x1a, "ifstrictne", "j"},
+{0x11, "iftrue", "j"},
+{0xb4, "in", ""},
+{0x92, "inclocal", "u"},
+{0xc2, "inclocal_i", "u"},
+{0x91, "increment", ""},
+{0xc0, "increment_i", ""},
+{0x68, "initproperty", "2"},
+{0xb1, "instanceof", ""},
+{0xb2, "istype", "2"},
+{0xb3, "istypelate", ""},
+{0x10, "jump", "j"},
+{0x08, "kill", "u"},
+{0x09, "label", ""},
+{0xae, "lessequals", ""},
+{0xad, "lessthan", ""},
+{0x1b, "lookupswitch", "S"},
+{0xa5, "lshift", ""},
+{0xa4, "modulo", ""},
+{0xa2, "multiply", ""},
+{0xc7, "multiply_i", ""},
+{0x90, "negate", ""},
+{0xc4, "negate_i", ""},
+{0x57, "newactivation", ""},
+{0x56, "newarray", "u"},
+{0x5a, "newcatch", "u"}, //index into exception_info
+{0x58, "newclass", "c"}, //index into class_info
+{0x40, "newfunction", "u"}, //index into method_info
+{0x55, "newobject", "u"},
+{0x1e, "nextname", ""},
+{0x23, "nextvalue", ""},
+{0x02, "nop", ""},
+{0x96, "not", ""},
+{0x29, "pop", ""},
+{0x1d, "popscope", ""},
+{0x24, "pushbyte", "b"},
+{0x2f, "pushdouble", "u"}, //index into floats
+{0x27, "pushfalse", ""},
+{0x2d, "pushint", "u"}, //index into ints
+{0x31, "pushnamespace", "u"}, //index into namespace
+{0x28, "pushnan", ""},
+{0x20, "pushnull", ""},
+{0x30, "pushscope", ""},
+{0x25, "pushshort", "u"},
+{0x2c, "pushstring", "s"},
+{0x26, "pushtrue", ""},
+{0x2e, "pushuint", "u"}, //index into uints
+{0x21, "pushundefined", ""},
+{0x1c, "pushwith", ""},
+{0x48, "returnvalue", ""},
+{0x47, "returnvoid", ""},
+{0xa6, "rshift", ""},
+{0x63, "setlocal", "u"},
+{0xd4, "setlocal_0", ""},
+{0xd5, "setlocal_1", ""},
+{0xd6, "setlocal_2", ""},
+{0xd7, "setlocal_3", ""},
+{0x6f, "setglobalshot", "u"},
+{0x61, "setproperty", "2"},
+{0x6d, "setslot", "u"},
+{0x05, "setsuper", "2"},
+{0xac, "strictequals", ""},
+{0xa1, "subtract", ""},
+{0xc6, "subtract_i", ""},
+{0x2b, "swap", ""},
+{0x03, "throw", ""},
+{0x95, "typeof", ""},
+{0xa7, "urshift", ""},
+{0xb0, "xxx", ""},
+};
+
+int swf_GetU24(TAG*tag)
+{
+ int b1 = swf_GetU8(tag);
+ int b2 = swf_GetU8(tag);
+ int b3 = swf_GetU8(tag);
+ return b3<<16|b2<<8|b1;
+}
+int swf_GetS24(TAG*tag)
+{
+ int b1 = swf_GetU8(tag);
+ int b2 = swf_GetU8(tag);
+ int b3 = swf_GetU8(tag);
+ if(b3&0x80) {
+ return -1-((b3<<16|b2<<8|b1)^0xffffff);
+ } else {
+ return b3<<16|b2<<8|b1;
+ }
+}
+static int parse_code(TAG*tag, int len, abc_file_t*pool, char*prefix)
+{
+ int end=tag->pos+len;
+ while(tag->pos<end) {
+ U8 opcode = swf_GetU8(tag);
+ int t;
+ char found = 0;
+ for(t=0;t<sizeof(opcodes)/sizeof(opcodes[0]);t++) {
+ if(opcodes[t].opcode == opcode) {
+ printf("%s%s ", prefix, opcodes[t].name);
+ char*p = opcodes[t].params;
+ char first = 1;
+ while(*p) {
+ if(!first)
+ printf(", ");
+ if(*p == 'n') {
+ int n = swf_GetU30(tag);
+ printf("%d params", n);
+ } else if(*p == '2') {
+ const char* m = dict_getstr(pool->multinames, swf_GetU30(tag));
+ printf("%s", m);
+ } else if(*p == 'm') {
+ int n = swf_GetU30(tag);
+ printf("[method%d]", n);
+ } else if(*p == 'c') {
+ int n = swf_GetU30(tag);
+ abc_class_t*cls = (abc_class_t*)dict_getdata(pool->classes, n);
+ printf("[classinfo%d %s]", n, cls->classname);
+ } else if(*p == 'i') {
+ int n = swf_GetU30(tag);
+ printf("[methodbody%d]", n);
+ } else if(*p == 'u') {
+ int n = swf_GetU30(tag);
+ printf("%d", n);
+ } else if(*p == 'b') {
+ int b = swf_GetU8(tag);
+ printf("%02x", b);
+ } else if(*p == 'j') {
+ printf("%d", swf_GetS24(tag));
+ } else if(*p == 's') {
+ const char*s = dict_getstr(pool->strings, swf_GetU30(tag));
+ printf("\"%s\"", s);
+ } else if(*p == 'S') {
+ swf_GetU24(tag); //default
+ int num = swf_GetU30(tag)+1;
+ int t;
+ for(t=0;t<num;t++)
+ swf_GetU24(tag);
+ } else {
+ printf("Can't parse opcode param type \"%c\"\n", *p);
+ return 0;
+ }
+ p++;
+ first = 0;
+ }
+ found = 1;
+ break;
+ }
+ }
+ if(!found) {
+ printf("Can't parse opcode %02x\n", opcode);
+ return 0;
+ }
+ printf("\n");
+ }
+ if(tag->pos!=end) {
+ printf("Read beyond end of ABC Bytecode\n");
+ return 0;
+ }
+ return 1;
+}
+
+static char* access2str(int type)
+{
+ if(type==0x08) return "";
+ else if(type==0x16) return "package";
+ else if(type==0x17) return "packageinternal";
+ else if(type==0x18) return "protected";
+ else if(type==0x19) return "explicit";
+ else if(type==0x1A) return "staticprotected";
+ else if(type==0x05) return "private";
+ else return "undefined";
+}
+
+
+char* multiname_to_string(abc_multiname_t*m)
+{
+ char*mname = 0;
+ if(m->type==0x07 || m->type==0x0d) {
+ mname = malloc(strlen(m->ns->name)+strlen(m->name)+32);
+ sprintf(mname, "<%s>\0", access2str(m->ns->access));
+ strcat(mname, m->ns->name);
+ strcat(mname, "::");
+ strcat(mname, m->name);
+ } else if(m->type==0x0f || m->type==0x10) {
+ mname = strdup(m->name);
+ } else if(m->type==0x11 || m->type==0x12) {
+ mname = strdup("");
+ } else if(m->type==0x09 || m->type==0x0e) {
+ mname = malloc(strlen(m->namespace_set_name)+strlen(m->name)+16);
+ strcpy(mname, m->namespace_set_name);
+ strcat(mname, "::");
+ strcat(mname, m->name);
+ } else if(m->type==0x1b || m->type==0x1c) {
+ mname = strdup(m->namespace_set_name);
+ }
+ return mname;
+}
+
+
+static void dump_traits(const char*prefix, dict_t*traits, abc_file_t*pool);
+
+static char* params_to_string(abc_multiname_list_t*list)
+{
+ abc_multiname_list_t*l;
+ int n;
+
+ l = list;
+ n = 0;
+ while(list) {
+ n++;list=list->next;
+ }
+
+ char**names = (char**)malloc(sizeof(char*)*n);
+
+ l = list;
+ n = 0;
+ int size = 0;
+ while(list) {
+ names[n] = multiname_to_string(list->abc_multiname);
+ size += strlen(names[n]) + 2;
+ n++;list=list->next;
+ }
+
+ char* params = malloc(size+5);
+ params[0]='(';
+ params[1]=0;
+ l = list;
+ int s=0;
+ n = 0;
+ while(list) {
+ if(s)
+ strcat(params, ", ");
+ strcat(params, names[n]);
+ free(names[n]);
+ n++;
+ s=1;
+ }
+ free(names);
+ strcat(params, ")");
+ int t;
+ return params;
+}
+
+static void dump_method(const char*prefix, const char*type, const char*name, int nr, abc_file_t*pool)
+{
+ if(nr >= pool->methods->num) {
+ printf("Invalid method number: %d\n", nr);
+ return;
+ }
+ abc_method_t*m = (abc_method_t*)dict_getdata(pool->methods, nr);
+
+ const char*return_type = "";
+ if(m->return_type)
+ return_type = multiname_to_string(m->return_type);
+
+ char*paramstr = params_to_string(m->parameters);
+
+ printf("%s%s %s %s=%s %s\n", prefix, type, return_type, name, m->name, paramstr);
+
+ abc_method_body_t*c = (abc_method_body_t*)dict_getdata(pool->method_bodies, m->method_body_index);
+
+ printf("%s[%d %d %d %d %d]\n", prefix, c->max_stack, c->local_count, c->init_scope_depth, c->max_scope_depth, c->exception_count);
+
+ swf_SetTagPos(c->tag, 0);
+ char prefix2[80];
+ sprintf(prefix2, "%s ", prefix);
+ if(c->traits)
+ dump_traits(prefix, c->traits, pool);
+ printf("%s{\n", prefix);
+ parse_code(c->tag, c->tag->len, pool,prefix2);
+ printf("%s}\n\n", prefix);
+}
+
+//#define DEBUG
+#define DEBUG if(0)
+
+static void parse_metadata(TAG*tag, abc_file_t*pool)
+{
+ int t;
+ int num_metadata = swf_GetU30(tag);
+ DEBUG printf("%d metadata\n");
+ for(t=0;t<num_metadata;t++) {
+ const char*name = dict_getstr(pool->strings, swf_GetU30(tag));
+ int num = swf_GetU30(tag);
+ int s;
+ DEBUG printf(" %s\n", name);
+ for(s=0;s<num;s++) {
+ const char*key = dict_getstr(pool->strings, swf_GetU30(tag));
+ const char*value = dict_getstr(pool->strings, swf_GetU30(tag));
+ DEBUG printf(" %s=%s\n", key, value);
+ }
+ }
+}
+
+#define TRAIT_SLOT 0
+#define TRAIT_METHOD 1
+#define TRAIT_GETTER 2
+#define TRAIT_SETTER 3
+#define TRAIT_CLASS 4
+#define TRAIT_FUNCTION 5
+#define TRAIT_CONST 6
+
+static dict_t* traits_parse(TAG*tag, abc_file_t*pool)
+{
+ int num_traits = swf_GetU30(tag);
+ dict_t*traits = dict_new();
+ int t;
+ if(num_traits) {
+ DEBUG printf("%d traits\n", num_traits);
+ }
+
+ for(t=0;t<num_traits;t++) {
+ abc_trait_t*trait = malloc(sizeof(abc_trait_t));
+ memset(trait, 0, sizeof(abc_trait_t));
+ dict_append(traits, 0, trait);
+ trait->name_index = swf_GetU30(tag);
+ const char*name = dict_getstr(pool->multinames, trait->name_index);
+ U8 kind = trait->type = swf_GetU8(tag);
+ U8 attributes = kind&0xf0;
+ kind&=0x0f;
+ DEBUG printf(" trait %d) %s type=%02x\n", t, name, kind);
+ if(kind == 1 || kind == 2 || kind == 3) { // method / getter / setter
+ trait->disp_id = swf_GetU30(tag);
+ trait->nr = swf_GetU30(tag);
+ DEBUG printf(" method/getter/setter\n");
+ } else if(kind == 5) { // function
+ trait->slot_id = swf_GetU30(tag);
+ trait->nr = swf_GetU30(tag);
+ } else if(kind == 4) { // class
+ trait->slot_id = swf_GetU30(tag);
+ trait->cls = swf_GetU30(tag);
+ DEBUG printf(" class %s %d %d\n", name, trait->slot_id, trait->cls);
+ } else if(kind == 0 || kind == 6) { // slot, const
+ /* a slot is a variable in a class that is shared amonst all instances
+ of the same type, but which has a unique location in each object
+ (in other words, slots are non-static, traits are static)
+ */
+ trait->slot_id = swf_GetU30(tag);
+ const char*type_name = dict_getstr(pool->multinames, swf_GetU30(tag));
+ trait->vindex = swf_GetU30(tag);
+ if(trait->vindex) {
+ trait->vkind = swf_GetU8(tag);
+ }
+ DEBUG printf(" slot %s %d %s (vindex=%d)\n", name, trait->slot_id, type_name, trait->vindex);
+ } else {
+ printf(" can't parse trait type %d\n", kind);
+ return 0;
+ }
+ if(attributes&0x40) {
+ int num = swf_GetU30(tag);
+ int s;
+ for(s=0;s<num;s++) {
+ swf_GetU30(tag); //index into metadata array
+ }
+ }
+ }
+ return traits;
+}
+
+static void dump_traits(const char*prefix, dict_t*traits, abc_file_t*pool)
+{
+ int num_traits = traits->num;
+ int t;
+ for(t=0;t<num_traits;t++) {
+ abc_trait_t*trait = (abc_trait_t*)dict_getdata(traits, t);
+ const char*name = dict_getstr(pool->multinames, trait->name_index);
+ U8 kind = trait->type;
+ U8 attributes = kind&0xf0;
+ kind&=0x0f;
+ if(kind == TRAIT_METHOD) {
+ dump_method(prefix, "method", name, trait->nr, pool);
+ } else if(kind == TRAIT_GETTER) {
+ dump_method(prefix, "getter", name, trait->nr, pool);
+ } else if(kind == TRAIT_SETTER) {
+ dump_method(prefix, "setter", name, trait->nr, pool);
+ } else if(kind == TRAIT_FUNCTION) { // function
+ dump_method(prefix, "function", name, trait->nr, pool);
+ } else if(kind == TRAIT_CLASS) { // class
+ abc_class_t*cls = (abc_class_t*)dict_getdata(pool->classes, trait->cls);
+ if(!cls) {
+ printf("%sslot %d: class %s=class%d %d\n", prefix, trait->slot_id, name, trait->cls);
+ } else {
+ printf("%sslot %d: class %s=%s\n", prefix, trait->slot_id, name, cls->classname);
+ }
+ } else if(kind == TRAIT_SLOT || kind == TRAIT_CONST) { // slot, const
+ int slot_id = trait->slot_id;
+ const char*type_name = dict_getstr(pool->multinames, trait->type_index);
+ printf("%sslot %s %d %s (vindex=%d)\n", prefix, name, trait->slot_id, type_name, trait->vindex);
+ } else {
+ printf(" can't dump trait type %d\n", kind);
+ }
+ }
+}
+
+void swf_CopyData(TAG*to, TAG*from, int len)
+{
+ unsigned char*data = malloc(len);
+ swf_GetBlock(from, data, len);
+ swf_SetBlock(to, data, len);
+ free(data);
+}
+
+abc_file_t*abc_file_new()
+{
+ abc_file_t*f = malloc(sizeof(abc_file_t));
+ memset(f, 0, sizeof(abc_file_t));
+
+ f->ints = dict_new();
+ dict_append(f->ints, 0, (void*)(ptroff_t)0);
+ f->uints = dict_new();
+ dict_append(f->uints, 0, (void*)(ptroff_t)0);
+ f->floats = dict_new();
+ dict_append(f->floats, 0, 0);
+ f->strings = dict_new();
+ dict_append(f->strings, "--<UNDEFINED_STRING>--", 0);
+ f->namespaces = dict_new();
+ dict_append(f->namespaces, "--<UNDEFINED_NAMESPACE>--", 0);
+ f->namespace_sets = dict_new();
+ dict_append(f->namespace_sets, "--<UNDEFINED_NSSET>--", 0);
+ f->sets = dict_new();
+ dict_append(f->sets, "--<UNDEFINED_SET>--", 0);
+ f->multinames = dict_new();
+ dict_append(f->multinames, "--<UNDEFINED_MULTINAME>--", 0);
+
+ // abc_file
+
+ f->methods = dict_new();
+ f->classes = dict_new();
+ f->scripts = dict_new();
+ f->method_bodies = dict_new();
+
+ return f;
+}
+
+static abc_namespace_t* namespace_new(U8 access, const char*name)
+{
+ abc_namespace_t*ns = malloc(sizeof(abc_namespace_t));
+ memset(ns, 0, sizeof(abc_namespace_t));
+
+ if(access==0) { // autodetect access
+ char*n = strdup(name);
+ if(n[0] == '[') {
+ char*bracket = strchr(n, ']');
+ if(bracket) {
+ *bracket = 0;
+ char*a = n+1;
+ name += (bracket-n)+1;
+ if(!strcmp(a, "")) access=0x16;
+ else if(!strcmp(a, "package")) access=0x16;
+ else if(!strcmp(a, "packageinternal")) access=0x17;
+ else if(!strcmp(a, "protected")) access=0x18;
+ else if(!strcmp(a, "explicit")) access=0x19;
+ else if(!strcmp(a, "staticprotected")) access=0x1a;
+ else if(!strcmp(a, "private")) access=0x05;
+ else {
+ fprintf(stderr, "Undefined access level: [%s]\n", a);
+ return 0;
+ }
+ }
+ } else {
+ access = 0x16;
+ }
+ free(n);
+ }
+ ns->access = access;
+ ns->name = strdup(name);
+ return ns;
+}
+abc_namespace_t* abc_namespace(abc_file_t*file, const char*name) {
+ return namespace_new(0x08, name);
+}
+abc_namespace_t* abc_packagenamespace(abc_file_t*file, const char*name) {
+ return namespace_new(0x16 , name);
+}
+abc_namespace_t* abc_packageinternalnamespace(abc_file_t*file, const char*name) {
+ return namespace_new(0x17, name);
+}
+abc_namespace_t* abc_protectednamespace(abc_file_t*file, const char*name) {
+ return namespace_new(0x18, name);
+}
+abc_namespace_t* abc_explicitnamespace(abc_file_t*file, const char*name) {
+ return namespace_new(0x19, name);
+}
+abc_namespace_t* abc_staticprotectednamespace(abc_file_t*file, const char*name) {
+ return namespace_new(0x1a, name);
+}
+abc_namespace_t* abc_privatenamespace(abc_file_t*file, const char*name) {
+ return namespace_new(0x05, name);
+}
+
+static int multiname_index(abc_file_t*pool, const char*name2)
+{
+ if(!name2)
+ name2 = "::";
+ int pos = dict_find(pool->multinames, name2);
+ if(pos>=0)
+ return pos;
+
+ char*n = strdup(name2);
+ char*p = strstr(n, "::");
+ char*namespace=0,*name=0;
+ if(!p) {
+ if(strchr(n, ':')) {
+ fprintf(stderr, "Error: single ':' in name\n");
+ }
+ namespace = "";
+ name = n;
+ } else {
+ *p = 0;
+ namespace = n;
+ name = p+2;
+ if(strchr(namespace, ':')) {
+ fprintf(stderr, "Error: single ':' in namespace\n");
+ }
+ if(strchr(name, ':')) {
+ fprintf(stderr, "Error: single ':' in qualified name\n");
+ }
+ }
+
+ abc_multiname_t*m = malloc(sizeof(abc_multiname_t));
+ memset(m, 0, sizeof(abc_multiname_t));
+
+ m->type = QNAME;
+ m->namespace_set_name = 0;
+ m->ns = namespace_new(0, namespace);
+ m->name = name;
+ return dict_append(pool->multinames, name2, m);
+}
+static abc_multiname_t* multiname_fromstring(abc_file_t*pool, const char*name)
+{
+ int i = multiname_index(pool, name);
+ return (abc_multiname_t*)dict_getdata(pool->multinames, i);
+}
+
+
+#define CLASS_SEALED 1
+#define CLASS_FINAL 2
+#define CLASS_INTERFACE 4
+#define CLASS_PROTECTED_NS 8
+
+abc_class_t* abc_class_new(abc_file_t*pool, char*classname, char*superclass) {
+ abc_class_t* c = malloc(sizeof(abc_class_t));
+ memset(c, 0, sizeof(abc_class_t));
+ c->index = dict_append(pool->classes, 0, c);
+ c->pool = pool;
+ c->classname = strdup(classname);
+ c->superclass = superclass?strdup(superclass):0;
+ c->flags = 0;
+ c->iinit = -1;
+ c->static_constructor_index = -1;
+ c->traits = dict_new();
+ return c;
+}
+
+void abc_class_sealed(abc_class_t*c)
+{
+ c->flags |= CLASS_SEALED;
+}
+void abc_class_final(abc_class_t*c)
+{
+ c->flags |= CLASS_FINAL;
+}
+void abc_class_interface(abc_class_t*c)
+{
+ c->flags |= CLASS_INTERFACE;
+}
+void abc_class_protectedNS(abc_class_t*c, char*namespace)
+{
+ c->protectedNS = namespace;
+ c->flags |= CLASS_PROTECTED_NS;
+}
+
+abc_method_body_t* add_method(abc_file_t*pool, abc_class_t*cls, char*returntype, int num_params, va_list va)
+{
+ /* construct code (method body) object */
+ abc_method_body_t* c = malloc(sizeof(abc_method_body_t));
+ memset(c, 0, sizeof(abc_method_body_t));
+ c->index = dict_append(pool->method_bodies, 0, c);
+ c->tag = swf_InsertTag(0,0);
+ c->pool = pool;
+ c->traits = dict_new();
+
+ /* construct method object */
+ abc_method_t* m = malloc(sizeof(abc_method_t));
+ memset(m, 0, sizeof(abc_method_t));
+ m->index = dict_append(pool->methods, 0, m);
+ if(returntype && strcmp(returntype, "void")) {
+ m->return_type = multiname_fromstring(pool, returntype);
+ } else {
+ m->return_type = 0;
+ }
+ int t;
+ for(t=0;t<num_params;t++) {
+ const char*param = va_arg(va, const char*);
+ list_append(&m->parameters, multiname_fromstring(pool, param));
+ }
+
+ /* crosslink the two objects */
+ m->method_body_index = c->index;
+ c->method = m;
+
+ return c;
+}
+
+abc_method_body_t* abc_class_constructor(abc_class_t*cls, char*returntype, int num_params, ...)
+{
+ va_list va;
+ va_start(va, num_params);
+ abc_method_body_t* c = add_method(cls->pool, cls, returntype, num_params, va);
+ va_end(va);
+ cls->iinit = c->index;
+ return c;
+}
+
+abc_method_body_t* abc_class_staticconstructor(abc_class_t*cls, char*returntype, int num_params, ...)
+{
+ va_list va;
+ va_start(va, num_params);
+ abc_method_body_t* c = add_method(cls->pool, cls, returntype, num_params, va);
+ va_end(va);
+ cls->static_constructor_index = c->index;
+ return c;
+}
+
+abc_trait_t*trait_new(int type, int name_index, int data1, int data2, int vindex, int vkind)
+{
+ abc_trait_t*trait = malloc(sizeof(abc_trait_t));
+ memset(trait, 0, sizeof(abc_trait_t));
+ trait->type = type;
+ trait->name_index = name_index;
+ trait->data1 = data1;
+ trait->data2 = data2;
+ trait->vindex = vindex;
+ trait->vkind = vkind;
+ return trait;
+}
+
+abc_method_body_t* abc_class_method(abc_class_t*cls, char*returntype, char*name, int num_params, ...)
+{
+ abc_file_t*pool = cls->pool;
+ va_list va;
+ va_start(va, num_params);
+ abc_method_body_t* c = add_method(cls->pool, cls, returntype, num_params, va);
+ va_end(va);
+ dict_append(cls->traits, 0, trait_new(TRAIT_METHOD, multiname_index(pool, name), 0, c->method->index, 0, 0));
+ return c;
+}
+
+void abc_AddSlot(abc_class_t*cls, char*name, int slot, char*multiname)
+{
+ abc_file_t*pool = cls->pool;
+ int i = multiname_index(pool, name);
+ dict_append(cls->traits, 0, trait_new(TRAIT_SLOT, i, slot, multiname_index(pool, multiname), 0, 0));
+}
+
+void abc_method_body_addClassTrait(abc_method_body_t*code, char*multiname, int slotid, abc_class_t*cls)
+{
+ abc_file_t*pool = code->pool;
+ int i = multiname_index(pool, multiname);
+ abc_trait_t*trait = trait_new(TRAIT_CLASS, i, slotid, cls->index, 0, 0);
+ dict_append(code->traits, 0, trait);
+}
+
+/* notice: traits of a method (body) belonging to an init script
+ and traits of the init script are *not* the same thing */
+void abc_initscript_addClassTrait(abc_script_t*script, char*multiname, int slotid, abc_class_t*cls)
+{
+ abc_file_t*pool = script->pool;
+ int i = multiname_index(pool, multiname);
+ abc_trait_t*trait = trait_new(TRAIT_CLASS, i, slotid, cls->index, 0, 0);
+ dict_append(script->traits, 0, trait);
+}
+
+abc_script_t* abc_initscript(abc_file_t*pool, char*returntype, int num_params, ...)
+{
+ va_list va;
+ va_start(va, num_params);
+ abc_method_body_t* c = add_method(pool, 0, returntype, num_params, va);
+ abc_script_t* s = malloc(sizeof(abc_script_t));
+ s->method = c->method;
+ s->traits = dict_new();
+ s->pool = pool;
+ dict_append(pool->scripts, 0, s);
+ va_end(va);
+ return s;
+}
+
+void swf_SetU30(TAG*tag, U32 u)
+{
+ do {
+ swf_SetU8(tag, (u&~0x7f?0x80:0) | (u&0x7F));
+ u>>=7;
+ } while(u);
+}
+void swf_SetU30String(TAG*tag, const char*str)
+{
+ int l = strlen(str);
+ swf_SetU30(tag, l);
+ swf_SetBlock(tag, (void*)str, l);
+}
+
+static void write_traits(abc_file_t*pool, TAG*tag, dict_t*traits)
+{
+ if(!traits) {
+ swf_SetU30(tag, 0);
+ return;
+ }
+ swf_SetU30(tag, traits->num);
+ int s;
+
+ for(s=0;s<traits->num;s++) {
+ abc_trait_t*trait = (abc_trait_t*)dict_getdata(traits, s);
+ swf_SetU30(tag, trait->name_index);
+ swf_SetU8(tag, trait->type);
+ swf_SetU30(tag, trait->data1);
+ swf_SetU30(tag, trait->data2);
+ if(trait->type == 0) { //slot
+ swf_SetU30(tag, trait->vindex);
+ if(trait->vindex) {
+ swf_SetU8(tag, trait->vkind);
+ }
+ }
+ }
+}
+
+int register_multiname(abc_file_t*pool, abc_multiname_t*n)
+{
+ if(!n)
+ return 0;
+ /* FIXME: might create duplicates */
+ return dict_append_if_new2(pool->multinames, n->name, n);
+}
+
+int register_namespace(abc_file_t*pool, abc_namespace_t*ns)
+{
+ /* FIXME: might create duplicates */
+ return dict_append_if_new2(pool->namespaces, ns->name, ns);
+}
+
+static inline abc_multiname_t*multiname_lookup(abc_file_t*pool, int i)
+{
+ return (abc_multiname_t*)dict_getdata(pool->multinames, i);
+}
+
+void* swf_ReadABC(TAG*tag)
+{
+ abc_file_t* pool = abc_file_new();
+
+ swf_SetTagPos(tag, 0);
+ int t;
+ if(tag->id == ST_DOABC) {
+ U32 abcflags = swf_GetU32(tag);
+ DEBUG printf("flags=%08x\n", abcflags);
+ char*name= swf_GetString(tag);
+ if(*name)
+ printf("#name: %s\n", name);
+ }
+ U32 version = swf_GetU32(tag);
+ if(version!=0x002e0010) {
+ fprintf(stderr, "Warning: unknown AVM2 version %08x\n", version);
+ }
+
+ int num_ints = swf_GetU30(tag);
+ DEBUG printf("%d ints\n", num_ints);
+ for(t=1;t<num_ints;t++) {
+ S32 v = swf_GetU30(tag);
+ DEBUG printf("int %d) %d\n", t, v);
+ dict_append(pool->ints, 0, (void*)(ptroff_t)v);
+ }
+
+ int num_uints = swf_GetU30(tag);
+ DEBUG printf("%d uints\n", num_uints);
+ for(t=1;t<num_uints;t++) {
+ U32 v = swf_GetS30(tag);
+ DEBUG printf("uint %d) %d\n", t, v);
+ dict_append(pool->uints, 0, (void*)(ptroff_t)v);
+ }
+
+ int num_floats = swf_GetU30(tag);
+ DEBUG printf("%d floats\n", num_floats);
+ for(t=1;t<num_floats;t++) {
+ double d = swf_GetD64(tag);
+ DEBUG printf("float %d) %f\n", t, d);
+ dict_append(pool->floats, 0, 0);
+ }
+
+ int num_strings = swf_GetU30(tag);
+ DEBUG printf("%d strings\n", num_strings);
+ for(t=1;t<num_strings;t++) {
+ int len = swf_GetU30(tag);
+ char*s = malloc(len+1);
+ swf_GetBlock(tag, s, len);
+ s[len] = 0;
+ dict_append(pool->strings, s, 0);
+ DEBUG printf("%d) \"%s\"\n", t, pool->strings->d[t].name);
+ }
+ int num_namespaces = swf_GetU30(tag);
+ DEBUG printf("%d namespaces\n", num_namespaces);
+ for(t=1;t<num_namespaces;t++) {
+ U8 type = swf_GetU8(tag);
+ int namenr = swf_GetU30(tag);
+ const char*name = dict_getstr(pool->strings, namenr);
+ abc_namespace_t*ns = malloc(sizeof(abc_namespace_t));
+ memset(ns, 0, sizeof(abc_namespace_t));
+ ns->access = type;
+ ns->name = strdup(name);
+ dict_append(pool->namespaces, name, ns);
+ int w = 0;
+ DEBUG w=1;
+ if(w) {
+ if(type==0x08) printf("Namespace %s\n", name);
+ else if(type==0x16) printf("PackageNamespace %s\n", name);
+ else if(type==0x17) printf("PackageInternalNs %s\n", name);
+ else if(type==0x18) printf("ProtectedNamespace %s\n", name);
+ else if(type==0x19) printf("ExplicitNamespace %s\n", name);
+ else if(type==0x1A) printf("StaticProtectedNs %s\n", name);
+ else if(type==0x05) printf("PrivateNs %s\n", name);
+ else {
+ printf("Undefined namespace type\n");
+ return 0;
+ }
+ }
+ }
+ int num_sets = swf_GetU30(tag);
+ DEBUG printf("%d namespace sets\n", num_sets);
+ for(t=1;t<num_sets;t++) {
+ int count = swf_GetU30(tag);
+ int s;
+ const char**name = malloc(sizeof(const char*)*count);
+ int l = 0;
+ for(s=0;s<count;s++) {
+ int nsnr = swf_GetU30(tag);
+ name[s] = dict_getstr(pool->namespaces, nsnr);
+ l += strlen(name[s])+1;
+ }
+ char*desc = malloc(l+16);
+ strcpy(desc, "{");
+ for(s=0;s<count;s++) {
+ strcat(desc, name[s]);
+ strcat(desc, ",");
+ }
+ strcat(desc, "}");
+ dict_append(pool->namespace_sets, desc, 0);
+ DEBUG printf("set %d) %s\n", t, desc);
+ }
+
+ int num_multinames = swf_GetU30(tag);
+ DEBUG printf("%d multinames\n", num_multinames);
+ for(t=1;t<num_multinames;t++) {
+ abc_multiname_t*m = malloc(sizeof(abc_multiname_t));
+ memset(m, 0, sizeof(abc_multiname_t));
+
+ m->type = swf_GetU8(tag);
+
+ if(m->type==0x07 || m->type==0x0d) {
+ int nr1 = swf_GetU30(tag);
+ m->ns = (abc_namespace_t*)dict_getdata(pool->namespaces, nr1);
+ int name_index = swf_GetU30(tag);
+ m->name = dict_getstr(pool->strings, name_index);
+ } else if(m->type==0x0f || m->type==0x10) {
+ int name_index = swf_GetU30(tag);
+ m->name = dict_getstr(pool->strings, name_index);
+ } else if(m->type==0x11 || m->type==0x12) {
+ } else if(m->type==0x09 || m->type==0x0e) {
+ int name_index = swf_GetU30(tag);
+ int namespace_set_index = swf_GetU30(tag);
+ m->name = dict_getstr(pool->strings, name_index);
+ m->namespace_set_name = dict_getstr(pool->namespace_sets, namespace_set_index);
+ } else if(m->type==0x1b || m->type==0x1c) {
+ int namespace_set_index = swf_GetU30(tag);
+ m->namespace_set_name = dict_getstr(pool->namespace_sets, namespace_set_index);
+ } else {
+ printf("can't parse type %d multinames yet\n", m->type);
+ return 0;
+ }
+ char*mname = multiname_to_string(m);
+ DEBUG printf("multiname %d) %s\n", t, mname);
+ dict_append(pool->multinames, mname, m);
+ free(mname);
+ }
+
+ int num_methods = swf_GetU30(tag);
+ DEBUG printf("%d methods\n", num_methods);
+ for(t=0;t<num_methods;t++) {
+ abc_method_t*m = malloc(sizeof(abc_method_t));
+ memset(m, 0, sizeof(*m));
+ int param_count = swf_GetU30(tag);
+ int return_type_index = swf_GetU30(tag);
+ m->return_type = multiname_lookup(pool, return_type_index);
+ m->index = t;
+
+ int s;
+ for(s=0;s<param_count;s++) {
+ int type_index = swf_GetU30(tag);
+ list_append(&m->parameters, multiname_lookup(pool, type_index));
+ }
+
+ int namenr = swf_GetU30(tag);
+ m->name = "";
+ if(namenr)
+ m->name = dict_getstr(pool->strings, namenr);
+
+ m->flags = swf_GetU8(tag);
+
+ DEBUG printf("method %d) %s flags=%02x\n", t, params_to_string(m->parameters), m->flags);
+
+ if(m->flags&0x08) {
+ /* optional parameters */
+ int num = swf_GetU30(tag);
+ int s;
+ for(s=0;s<num;s++) {
+ int val = swf_GetU30(tag);
+ U8 kind = swf_GetU8(tag); // specifies index type for "val"
+ }
+ }
+ if(m->flags&0x80) {
+ /* debug information- not used by avm2 */
+ abc_multiname_list_t*l = m->parameters;
+ while(l) {
+ m->name = dict_getstr(pool->strings, swf_GetU30(tag));
+ l = l->next;
+ }
+ }
+ dict_append(pool->methods, m->name, m);
+ }
+
+ parse_metadata(tag, pool);
+
+ /* skip classes, and scripts for now, and do the real parsing later */
+ int num_classes = swf_GetU30(tag);
+ int classes_pos = tag->pos;
+ DEBUG printf("%d classes\n", num_classes);
+ for(t=0;t<num_classes;t++) {
+ abc_class_t*cls = malloc(sizeof(abc_class_t));
+ memset(cls, 0, sizeof(abc_class_t));
+ dict_append(pool->classes, 0, cls);
+
+ DEBUG printf("class %d\n", t);
+ swf_GetU30(tag); //classname
+ swf_GetU30(tag); //supername
+ cls->flags = swf_GetU8(tag);
+ if(cls->flags&8)
+ swf_GetU30(tag); //protectedNS
+ int s;
+ int inum = swf_GetU30(tag); //interface count
+ abc_multiname_list_t*list = 0;
+ for(s=0;s<inum;s++) {
+ int interface_index = swf_GetU30(tag);
+ const char*interface = dict_getstr(pool->multinames, interface_index);
+ abc_multiname_t* m = (abc_multiname_t*)dict_getdata(pool->multinames, interface_index);
+ list_append(&list, m);
+ DEBUG printf(" class %d interface: %s\n", t, interface);
+ }
+
+ cls->iinit = swf_GetU30(tag);
+ cls->traits = traits_parse(tag, pool);
+ }
+ for(t=0;t<num_classes;t++) {
+ abc_class_t*cls = (abc_class_t*)dict_getdata(pool->classes, t);
+ cls->static_constructor_index = swf_GetU30(tag); // cinit
+ cls->static_constructor_traits = traits_parse(tag, pool);
+ }
+ int num_scripts = swf_GetU30(tag);
+ DEBUG printf("%d scripts\n", num_scripts);
+ for(t=0;t<num_scripts;t++) {
+ int init = swf_GetU30(tag);
+ dict_t*traits = traits_parse(tag, pool); //TODO: store
+ }
+
+ int num_method_bodies = swf_GetU30(tag);
+ DEBUG printf("%d method bodies\n", num_method_bodies);
+ for(t=0;t<num_method_bodies;t++) {
+ int methodnr = swf_GetU30(tag);
+ if(methodnr >= pool->methods->num) {
+ printf("Invalid method number: %d\n", methodnr);
+ return 0;
+ }
+ abc_method_t*m = (abc_method_t*)dict_getdata(pool->methods, methodnr);
+ abc_method_body_t*c = malloc(sizeof(abc_method_body_t));
+ memset(c, 0, sizeof(abc_method_body_t));
+ c->max_stack = swf_GetU30(tag);
+ c->local_count = swf_GetU30(tag);
+ c->init_scope_depth = swf_GetU30(tag);
+ c->max_scope_depth = swf_GetU30(tag);
+ int code_length = swf_GetU30(tag);
+ c->method = m;
+ m->method_body_index = t;
+
+ c->tag = swf_InsertTag(0,0);
+
+ swf_CopyData(c->tag, tag, code_length);
+
+ int exception_count = swf_GetU30(tag);
+ int s;
+ for(s=0;s<exception_count;s++) {
+ swf_GetU30(tag); //from
+ swf_GetU30(tag); //to
+ swf_GetU30(tag); //target
+ swf_GetU30(tag); //exc_type
+ swf_GetU30(tag); //var_name
+ }
+ c->traits = traits_parse(tag, pool);
+ if(!c->traits) {
+ fprintf(stderr, "Can't parse code traits\n");
+ return 0;
+ }
+ DEBUG printf("method_body %d) (method %d), %d bytes of code", t, methodnr, code_length);
+ int r,l = code_length>32?32:code_length;
+ for(r=0;r<l;r++) {
+ DEBUG printf("%02x ", c->tag->data[r]);
+ }
+ DEBUG printf("\n");
+
+ dict_append(pool->method_bodies, 0, c);
+ }
+ if(tag->len - tag->pos) {
+ fprintf(stderr, "%d unparsed bytes remaining in ABC block\n", tag->len - tag->pos);
+ return 0;
+ }
+
+ swf_SetTagPos(tag, classes_pos);
+ for(t=0;t<num_classes;t++) {
+ abc_class_t*cls = (abc_class_t*)dict_getdata(pool->classes, t);
+
+ int classname_index = swf_GetU30(tag);
+ int superclass_index = swf_GetU30(tag);
+ cls->classname = dict_getstr(pool->multinames, classname_index);
+ cls->superclass = dict_getstr(pool->multinames, superclass_index);
+ cls->flags = swf_GetU8(tag);
+ const char*ns = "";
+ if(cls->flags&8) {
+ int ns_index = swf_GetU30(tag);
+ cls->protectedNS = dict_getstr(pool->namespaces, ns_index);
+ }
+
+ if(cls->flags&1) printf("sealed ");
+ if(cls->flags&2) printf("final ");
+ if(cls->flags&4) printf("interface ");
+ if(cls->flags&8) {
+ printf("protectedNS<%s> ", cls->protectedNS);
+ }
+
+ printf("class %s", cls->classname);
+ if(cls->superclass && cls->superclass[0]) {
+ printf(" extends %s", cls->superclass);
+ abc_multiname_list_t*ilist = cls->interfaces;
+ if(ilist)
+ printf(" implements");
+ while(ilist) {
+ char*s = multiname_to_string(ilist->abc_multiname);
+ printf(" %d", s);
+ free(s);
+ ilist = ilist->next;
+ }
+ ilist->next;
+
+ }
+ if(cls->flags&0xf0)
+ printf("extra flags=%02x\n", cls->flags&0xf0);
+ printf("{\n");
+
+ dump_method(" ","staticconstructor", "", cls->static_constructor_index, pool);
+ dump_traits(" ", cls->static_constructor_traits, pool);
+
+ int num_interfaces = swf_GetU30(tag); //interface count
+ int s;
+ for(s=0;s<num_interfaces;s++) {
+ swf_GetU30(tag); // multiname index TODO
+ }
+ cls->iinit = swf_GetU30(tag);
+ dump_method(" ","constructor", cls->classname, cls->iinit, pool);
+ cls->traits = traits_parse(tag, pool);
+ if(!cls->traits) {
+ fprintf(stderr, "Can't parse class traits\n");
+ return 0;
+ }
+ dump_traits(" ",cls->traits, pool);
+
+ printf("}\n");
+ }
+ for(t=0;t<num_classes;t++) {
+ /* SKIP */
+ swf_GetU30(tag); // cindex
+ traits_parse(tag, pool); // TODO: free
+ }
+ int num_scripts2 = swf_GetU30(tag);
+ printf("\n");
+ for(t=0;t<num_scripts2;t++) {
+ int init = swf_GetU30(tag);
+ abc_method_t*m = (abc_method_t*)dict_getdata(pool->methods, init);
+
+ abc_script_t*s = malloc(sizeof(abc_script_t));
+ memset(s, 0, sizeof(abc_script_t));
+ s->method = m;
+ s->traits = traits_parse(tag, pool);
+ dict_append(pool->scripts, 0, s);
+ if(!s->traits) {
+ fprintf(stderr, "Can't parse script traits\n");
+ return 0;
+ }
+ dump_method("","initmethod", "init", init, pool);
+ dump_traits("", s->traits, pool);
+ }
+ return pool;
+}
+
+void swf_WriteABC(TAG*abctag, void*code)
+{
+ abc_file_t*pool = (abc_file_t*)code;
+
+ TAG*tmp = swf_InsertTag(0,0);
+ TAG*tag = tmp;
+ int t;
+
+ swf_SetU30(tag, pool->methods->num);
+ for(t=0;t<pool->methods->num;t++) {
+ abc_method_t*m = (abc_method_t*)dict_getdata(pool->methods, t);
+ int n = 0;
+ abc_multiname_list_t*l = m->parameters;
+ swf_SetU30(tag, list_length(m->parameters));
+ swf_SetU30(tag, register_multiname(pool, m->return_type));
+ int s;
+ while(l) {
+ swf_SetU30(tag, register_multiname(pool, l->abc_multiname));
+ l = l->next;
+ }
+ swf_SetU30(tag, 0); // name
+ swf_SetU8(tag, 0); //flags
+ }
+
+ swf_SetU30(tag, 0);//metadata
+
+ swf_SetU30(tag, pool->classes->num);
+
+ for(t=0;t<pool->classes->num;t++) {
+ abc_class_t*c = (abc_class_t*)dict_getdata(pool->classes, t);
+
+ int classname_index = multiname_index(pool, c->classname);
+ int superclass_index = multiname_index(pool, c->superclass);
+
+ swf_SetU30(tag, classname_index);
+ swf_SetU30(tag, superclass_index);
+
+ swf_SetU8(tag, c->flags); // flags
+ if(c->flags&0x08) {
+ abc_namespace_t*ns = abc_protectednamespace(pool, c->protectedNS);
+ int ns_index = register_namespace(pool, ns);
+ swf_SetU30(tag, ns_index);
+ }
+
+ swf_SetU30(tag, 0); // no interfaces
+ if(c->iinit<0) {
+ fprintf(stderr, "Error: Class %s has no constructor\n", c->classname);
+ return;
+ }
+ swf_SetU30(tag, c->iinit);
+ write_traits(pool, tag, c->traits);
+ }
+ for(t=0;t<pool->classes->num;t++) {
+ abc_class_t*c = (abc_class_t*)dict_getdata(pool->classes, t);
+ if(c->static_constructor_index<0) {
+ fprintf(stderr, "Error: Class %s has no static constructor\n", c->classname);
+ return;
+ }
+ swf_SetU30(tag, c->static_constructor_index);
+ write_traits(pool, tag, c->static_constructor_traits);
+ }
+
+ swf_SetU30(tag, pool->scripts->num);
+ for(t=0;t<pool->scripts->num;t++) {
+ abc_script_t*s = (abc_script_t*)dict_getdata(pool->scripts, t);
+ swf_SetU30(tag, s->method->index); //!=t!
+ write_traits(pool, tag, s->traits);
+ }
+
+ swf_SetU30(tag, pool->method_bodies->num);
+ for(t=0;t<pool->method_bodies->num;t++) {
+ abc_method_body_t*c = (abc_method_body_t*)dict_getdata(pool->method_bodies, t);
+ abc_method_t*m = c->method;
+ swf_SetU30(tag, m->index);
+ swf_SetU30(tag, c->max_stack);
+ swf_SetU30(tag, c->local_count);
+ swf_SetU30(tag, c->init_scope_depth);
+ swf_SetU30(tag, c->max_scope_depth);
+ swf_SetU30(tag, c->tag->len);
+ swf_SetBlock(tag, c->tag->data, c->tag->len);
+ swf_SetU30(tag, c->exception_count);
+ write_traits(pool, tag, c->traits);
+ }
+
+ // --- start to write real tag --
+
+ tag = abctag;
+
+ for(t=1;t<pool->multinames->num;t++) {
+ abc_multiname_t*m = (abc_multiname_t*)dict_getdata(pool->multinames, t);
+ if(m->ns) {
+ register_namespace(pool, m->ns);
+ }
+ if(m->namespace_set_name) {
+ // FIXME
+ }
+ if(m->name)
+ dict_append_if_new(pool->strings, m->name, 0);
+ }
+ for(t=1;t<pool->namespaces->num;t++) {
+ char*namespace_name = (char*)dict_getstr(pool->namespaces, t);
+ dict_append_if_new(pool->strings, namespace_name, 0);
+ }
+
+ swf_SetU32(tag, 1); // flags
+ swf_SetU8(tag, 0); //classname
+
+ swf_SetU16(tag, 0x10); //version
+ swf_SetU16(tag, 0x2e);
+
+ swf_SetU30(tag, pool->ints->num>1?pool->ints->num:0);
+ // ...
+ swf_SetU30(tag, pool->uints->num>1?pool->uints->num:0);
+ // ...
+ swf_SetU30(tag, pool->floats->num>1?pool->floats->num:0);
+ // ...
+ swf_SetU30(tag, pool->strings->num>1?pool->strings->num:0);
+ for(t=1;t<pool->strings->num;t++) {
+ swf_SetU30String(tag, dict_getstr(pool->strings, t));
+ }
+ swf_SetU30(tag, pool->namespaces->num>1?pool->namespaces->num:0);
+ for(t=1;t<pool->namespaces->num;t++) {
+ abc_namespace_t*ns= (abc_namespace_t*)dict_getdata(pool->namespaces, t);
+ const char*name = ns->name;
+ int i = dict_find(pool->strings, name);
+ if(i<0) {
+ fprintf(stderr, "Couldn't find namespace \"%s\" in constant pool\n", name);
+ return;
+ }
+ swf_SetU8(tag, ns->access);
+ swf_SetU30(tag, i);
+ }
+ swf_SetU30(tag, pool->sets->num>1?pool->sets->num:0);
+ // ...
+
+ swf_SetU30(tag, pool->multinames->num>1?pool->multinames->num:0);
+ // ...
+ for(t=1;t<pool->multinames->num;t++) {
+ abc_multiname_t*m = (abc_multiname_t*)dict_getdata(pool->multinames, t);
+ swf_SetU8(tag, m->type);
+
+ if(m->ns) {
+ assert(m->type==0x07 || m->type==0x0d);
+ /* fixme: might find wrong version */
+ int i = dict_find2(pool->namespaces, m->ns->name, (void*)(ptroff_t)m->ns);
+ if(i<0) fprintf(stderr, "internal error: unregistered namespace %02x %s %s\n", m->ns->access, access2str(m->ns->access), m->ns->name);
+ swf_SetU30(tag, i);
+ }
+ if(m->namespace_set_name) {
+ assert(m->type==0x09 || m->type==0x0e || m->type==0x1c || m->type==0x1b);
+ int i = dict_find(pool->namespace_sets, m->namespace_set_name);
+ if(i<0) fprintf(stderr, "internal error: unregistered namespace set\n");
+ swf_SetU30(tag, i);
+ }
+ if(m->name) {
+ assert(m->type==0x09 || m->type==0x0e || m->type==0x07 || m->type==0x0d || m->type==0x0f || m->type==0x10);
+ int i = dict_find(pool->strings, m->name);
+ if(i<0) fprintf(stderr, "internal error: unregistered name\n");
+ swf_SetU30(tag, i);
+ }
+ }
+
+ swf_SetBlock(tag, tmp->data, tmp->len);
+
+ swf_DeleteTag(0, tmp);
+}
+
+#include "swfabc_ops.c"
+
+void swf_AddButtonLinks(SWF*swf, char stop_each_frame, char events)
+{
+ int num_frames = 0;
+ int has_buttons = 0;
+ TAG*tag=swf->firstTag;
+ while(tag) {
+ if(tag->id == ST_SHOWFRAME)
+ num_frames++;
+ if(tag->id == ST_DEFINEBUTTON || tag->id == ST_DEFINEBUTTON2)
+ has_buttons = 1;
+ tag = tag->next;
+ }
+
+ abc_file_t*file = abc_file_new();
+ abc_method_body_t*c = 0;
+
+ abc_class_t*cls = abc_class_new(file, "rfx::MainTimeline", "flash.display::MovieClip");
+ abc_class_protectedNS(cls, "rfx:MainTimeline");
+
+ TAG*abctag = swf_InsertTagBefore(swf, swf->firstTag, ST_DOABC);
+
+ tag = swf_InsertTag(abctag, ST_SYMBOLCLASS);
+ swf_SetU16(tag, 1);
+ swf_SetU16(tag, 0);
+ swf_SetString(tag, "rfx.MainTimeline");
+
+ c = abc_class_staticconstructor(cls, 0, 0);
+ c->max_stack = 1;
+ c->local_count = 1;
+ c->init_scope_depth = 9;
+ c->max_scope_depth = 10;
+
+ abc_getlocal_0(c);
+ abc_pushscope(c);
+ abc_returnvoid(c);
+
+ c = abc_class_constructor(cls, 0, 0);
+ c->max_stack = 3;
+ c->local_count = 1;
+ c->init_scope_depth = 10;
+ c->max_scope_depth = 11;
+
+ abc_debugfile(c, "constructor.as");
+
+ abc_getlocal_0(c);
+ abc_pushscope(c);
+
+ abc_getlocal_0(c);
+ abc_constructsuper(c,0);
+
+ abc_getlex(c, "[package]flash.system::Security");
+ abc_pushstring(c, "*");
+ abc_callpropvoid(c, "[package]::allowDomain", 1);
+
+ if(stop_each_frame || has_buttons) {
+ int frame = 0;
+ tag = swf->firstTag;
+ abc_method_body_t*f = 0; //frame script
+ while(tag && tag->id!=ST_END) {
+ char framename[80];
+ char needs_framescript=0;
+ char buttonname[80];
+ char functionname[80];
+ sprintf(framename, "[packageinternal]rfx::frame%d", frame);
+
+ if(!f && (tag->id == ST_DEFINEBUTTON || tag->id == ST_DEFINEBUTTON2 || stop_each_frame)) {
+ /* make the contructor add a frame script */
+ abc_findpropstrict(c,"[package]::addFrameScript");
+ abc_pushbyte(c,frame);
+ abc_getlex(c,framename);
+ abc_callpropvoid(c,"[package]::addFrameScript",2);
+
+ f = abc_class_method(cls, 0, framename, 0);
+ f->max_stack = 3;
+ f->local_count = 1;
+ f->init_scope_depth = 10;
+ f->max_scope_depth = 11;
+ abc_debugfile(f, "framescript.as");
+ abc_debugline(f, 1);
+ abc_getlocal_0(f);
+ abc_pushscope(f);
+ }
+
+ if(tag->id == ST_DEFINEBUTTON || tag->id == ST_DEFINEBUTTON2) {
+ U16 id = swf_GetDefineID(tag);
+ sprintf(buttonname, "::button%d", swf_GetDefineID(tag));
+ abc_getlex(f,buttonname);
+ abc_getlex(f,"flash.events::MouseEvent");
+ abc_getproperty(f, "::CLICK");
+ sprintf(functionname, "::clickbutton%d", swf_GetDefineID(tag));
+ abc_getlex(f,functionname);
+ abc_callpropvoid(f, "::addEventListener" ,2);
+
+ if(stop_each_frame) {
+ abc_findpropstrict(f, "[package]::stop");
+ abc_callpropvoid(f, "[package]::stop", 0);
+ }
+ needs_framescript = 1;
+
+ abc_method_body_t*h =
+ abc_class_method(cls, "::void", functionname, 1, "flash.events::MouseEvent");
+ h->max_stack = 6;
+ h->local_count = 2;
+ h->init_scope_depth = 10;
+ h->max_scope_depth = 11;
+ abc_getlocal_0(h);
+ abc_pushscope(h);
+
+ ActionTAG*oldaction = swf_ButtonGetAction(tag);
+ if(oldaction && oldaction->op == ACTION__GOTOFRAME) {
+ int framenr = GET16(oldaction->data);
+ if(framenr>254) {
+ fprintf(stderr, "Warning: Couldn't translate jump to frame %d to flash 9 actionscript\n", framenr);
+ }
+ if(!events) {
+ abc_findpropstrict(h,"[package]::gotoAndStop");
+ abc_pushbyte(h,framenr+1);
+ abc_callpropvoid(h,"[package]::gotoAndStop", 1);
+ } else {
+ char framename[80];
+ sprintf(framename, "frame%d", framenr);
+ abc_getlocal_0(h); //this
+ abc_findpropstrict(h, "[package]flash.events::TextEvent");
+ abc_pushstring(h, "link");
+ abc_pushtrue(h);
+ abc_pushtrue(h);
+ abc_pushstring(h, framename);
+ abc_constructprop(h,"[package]flash.events::TextEvent", 4);
+ abc_callpropvoid(h,"[package]::dispatchEvent", 1);
+ }
+ } else if(oldaction && oldaction->op == ACTION__GETURL) {
+ if(!events) {
+ abc_findpropstrict(h,"flash.net::navigateToURL");
+ abc_findpropstrict(h,"flash.net::URLRequest");
+ abc_pushstring(h,oldaction->data); //url
+ abc_constructprop(h,"flash.net::URLRequest", 1);
+ abc_callpropvoid(h,"flash.net::navigateToURL", 1);
+ } else {
+ abc_getlocal_0(h); //this
+ abc_findpropstrict(h, "[package]flash.events::TextEvent");
+ abc_pushstring(h, "link");
+ abc_pushtrue(h);
+ abc_pushtrue(h);
+ abc_pushstring(h,oldaction->data); //url
+ abc_constructprop(h,"[package]flash.events::TextEvent", 4);
+ abc_callpropvoid(h,"[package]::dispatchEvent", 1);
+ }
+ } else if(oldaction) {
+ fprintf(stderr, "Warning: Couldn't translate button code of button %d to flash 9 abc action\n", id);
+ }
+ abc_returnvoid(h);
+ swf_ActionFree(oldaction);
+ }
+ if(tag->id == ST_SHOWFRAME) {
+ if(f) {
+ abc_returnvoid(f);
+ f = 0;
+ }
+ frame++;
+ }
+ tag = tag->next;
+ }
+ if(f) {
+ abc_returnvoid(f);
+ }
+ }
+ abc_returnvoid(c);
+
+ tag = swf->firstTag;
+ while(tag) {
+ if(tag->id == ST_DEFINEBUTTON || tag->id == ST_DEFINEBUTTON2) {
+ char buttonname[80];
+ sprintf(buttonname, "::button%d", swf_GetDefineID(tag));
+ abc_AddSlot(cls, buttonname, 0, "flash.display::SimpleButton");
+ }
+ tag = tag->next;
+ }
+
+
+ abc_script_t*s = abc_initscript(file, 0, 0);
+ c = (abc_method_body_t*)dict_getdata(file->method_bodies, s->method->method_body_index);
+ c->max_stack = 2;
+ c->local_count = 1;
+ c->init_scope_depth = 1;
+ c->max_scope_depth = 9;
+ abc_getlocal_0(c);
+ abc_pushscope(c);
+ abc_getscopeobject(c, 0);
+ abc_getlex(c,"::Object");
+ abc_pushscope(c);
+ abc_getlex(c,"flash.events::EventDispatcher");
+ abc_pushscope(c);
+ abc_getlex(c,"flash.display::DisplayObject");
+ abc_pushscope(c);
+ abc_getlex(c,"flash.display::InteractiveObject");
+ abc_pushscope(c);
+ abc_getlex(c,"flash.display::DisplayObjectContainer");
+ abc_pushscope(c);
+ abc_getlex(c,"flash.display::Sprite");
+ abc_pushscope(c);
+ abc_getlex(c,"flash.display::MovieClip");
+ abc_pushscope(c);
+ abc_getlex(c,"flash.display::MovieClip");
+ abc_newclass(c,cls);
+ abc_popscope(c);
+ abc_popscope(c);
+ abc_popscope(c);
+ abc_popscope(c);
+ abc_popscope(c);
+ abc_popscope(c);
+ abc_popscope(c);
+ abc_initproperty(c,"rfx::MainTimeline");
+ abc_returnvoid(c);
+
+ //abc_method_body_addClassTrait(c, "rfx:MainTimeline", 1, cls);
+ abc_initscript_addClassTrait(s, "rfx::MainTimeline", 1, cls);
+
+ swf_WriteABC(abctag, file);
+}
+
git.asbjorn.biz / swftools.git / commitdiff