From 57ecdfcd6a36c0686beb384c29ea61255a2725e3 Mon Sep 17 00:00:00 2001 From: kramm Date: Mon, 20 Oct 2008 13:56:42 +0000 Subject: [PATCH] moved from ../modules/ --- lib/as3/abc.c | 1786 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ lib/as3/abc.h | 185 ++++++ 2 files changed, 1971 insertions(+) create mode 100644 lib/as3/abc.c create mode 100644 lib/as3/abc.h diff --git a/lib/as3/abc.c b/lib/as3/abc.c new file mode 100644 index 0000000..766fb25 --- /dev/null +++ b/lib/as3/abc.c @@ -0,0 +1,1786 @@ +/* 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 + + 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 +#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;tnum;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;tnum;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)<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->posmultinames, 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;tpos!=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;tstrings, swf_GetU30(tag)); + int num = swf_GetU30(tag); + int s; + DEBUG printf(" %s\n", name); + for(s=0;sstrings, 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;tname_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;snum; + int t; + for(t=0;tmultinames, 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, "----", 0); + f->namespaces = dict_new(); + dict_append(f->namespaces, "----", 0); + f->namespace_sets = dict_new(); + dict_append(f->namespace_sets, "----", 0); + f->sets = dict_new(); + dict_append(f->sets, "----", 0); + f->multinames = dict_new(); + dict_append(f->multinames, "----", 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;tparameters, 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;snum;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;tints, 0, (void*)(ptroff_t)v); + } + + int num_uints = swf_GetU30(tag); + DEBUG printf("%d uints\n", num_uints); + for(t=1;tuints, 0, (void*)(ptroff_t)v); + } + + int num_floats = swf_GetU30(tag); + DEBUG printf("%d floats\n", num_floats); + for(t=1;tfloats, 0, 0); + } + + int num_strings = swf_GetU30(tag); + DEBUG printf("%d strings\n", num_strings); + for(t=1;tstrings, 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;tstrings, 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;tnamespaces, nsnr); + l += strlen(name[s])+1; + } + char*desc = malloc(l+16); + strcpy(desc, "{"); + for(s=0;snamespace_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;ttype = 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;treturn_type = multiname_lookup(pool, return_type_index); + m->index = t; + + int s; + for(s=0;sparameters, 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;sflags&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;tclasses, 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;smultinames, 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;tclasses, 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= 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;straits = 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;rtag->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;tclasses, 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;siinit = 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;tmethods, 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;tmethods->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;tclasses->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;tclasses->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;tscripts->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;tmethod_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;tmultinames->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;tnamespaces->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;tstrings->num;t++) { + swf_SetU30String(tag, dict_getstr(pool->strings, t)); + } + swf_SetU30(tag, pool->namespaces->num>1?pool->namespaces->num:0); + for(t=1;tnamespaces->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;tmultinames->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); +} + diff --git a/lib/as3/abc.h b/lib/as3/abc.h new file mode 100644 index 0000000..e13e06d --- /dev/null +++ b/lib/as3/abc.h @@ -0,0 +1,185 @@ +/* abc.h + + Routines for handling Flash2 AVM2 ABC Actionscript (header file) + + 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 */ + +#ifndef __swfabc_h__ +#define __swfabc_h__ + +#define DECLARE(x) struct _##x;typedef struct _##x x##_t; +#define DECLARE_LIST(x) \ +struct _##x##_list { \ + struct _##x* x; \ + struct _##x##_list*next; \ +}; \ +typedef struct _##x##_list x##_list_t; \ + +DECLARE(abc_file); +DECLARE(abc_method_body); +DECLARE(abc_interface); +DECLARE(abc_multiname); +DECLARE(abc_namespace); + +DECLARE_LIST(abc_multiname); + +typedef struct _abc_method { + abc_multiname_t*return_type; + abc_multiname_list_t*parameters; + const char*name; + U8 flags; + + int index; + int method_body_index; +} abc_method_t; + +typedef enum multiname_type +{QNAME=0x07, + QNAMEA=0x0D, + RTQNAME=0x0F, + RTQNAMEA=0x10, + RTQNAMEL=0x11, + RTQNAMELA=0x12, + MULTINAME=0x09, + MULTINAMEA=0x0E, + MULTINAMEL=0x1B, + MULTINAMELA=0x1C +} multiname_type_t; + +struct _abc_namespace { + U8 access; + char*name; +}; + +struct _abc_multiname { + multiname_type_t type; + abc_namespace_t*ns; + const char*namespace_set_name; // FIXME should be a struct + const char*name; +}; + +typedef struct _dict_entry { + const char*name; + void*data; +} dict_entry_t; + +typedef struct _dict { + int num; + int size; + dict_entry_t*d; +} dict_t; + +struct _abc_file { + + // contant_pool + + dict_t*ints; + dict_t*uints; + dict_t*floats; + dict_t*strings; + dict_t*namespaces; + dict_t*namespace_sets; + dict_t*sets; + dict_t*multinames; + + // abc_file + + dict_t*methods; + dict_t*classes; + dict_t*scripts; + dict_t*method_bodies; +}; + +abc_file_t*abc_file_new(); + +typedef struct _abc_trait { + unsigned char type; + int name_index; + + union { + int disp_id; + int slot_id; + int data1; + }; + union { + int nr; + int cls; + int type_index; + int data2; + }; + int vindex; + int vkind; +} abc_trait_t; + +typedef struct _abc_class { + int index; + abc_file_t*pool; + + const char*classname; + const char*superclass; + const char*protectedNS; + + abc_multiname_list_t*interfaces; + + int iinit; + U8 flags; + + int static_constructor_index; + dict_t*static_constructor_traits; + + dict_t*traits; +} abc_class_t; + +abc_class_t* abc_class_new(abc_file_t*pool, char*classname, char*superclass); +void abc_class_sealed(abc_class_t*c); +void abc_class_final(abc_class_t*c); +void abc_class_interface(abc_class_t*c); +void abc_class_protectedNS(abc_class_t*c, char*namespace); + +abc_method_body_t* abc_class_staticconstructor(abc_class_t*cls, char*returntype, int num_params, ...); +abc_method_body_t* abc_class_constructor(abc_class_t*cls, char*returntype, int num_params, ...); +abc_method_body_t* abc_class_method(abc_class_t*cls, char*returntype, char*name, int num_params, ...); + +struct _abc_method_body { + int index; + abc_file_t*pool; + //abc_class_t*cls; + abc_method_t*method; + TAG*tag; + int max_stack; + int local_count; + int init_scope_depth; + int max_scope_depth; + int exception_count; + dict_t*traits; +}; + +typedef struct _abc_label { +} abc_label_t; + +typedef struct _abc_script { + abc_method_t*method; + abc_file_t*pool; + dict_t*traits; +} abc_script_t; + +abc_script_t* abc_initscript(abc_file_t*pool, char*returntype, int num_params, ...); + +#endif -- 1.7.10.4