char stringbuffer[2048];
-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_RegisterStaticProtectedNameSpace(abc_file_t*file, const char*name);
int abc_RegisterPrivateNameSpace(abc_file_t*file, const char*name);
+/* TODO: switch to a datastructure with just values */
+#define NO_KEY ""
-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", "2"},
-{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", "D"},
-{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", ""},
-};
-
-static U8 op2index[256] = {254};
-
-opcode_t* opcode_get(U8 op)
-{
- int t;
- if(op2index[0]==254) {
- memset(op2index, 255, sizeof(op2index));
- for(t=0;t<sizeof(opcodes)/sizeof(opcodes[0]);t++) {
- op2index[opcodes[t].opcode] = t;
- }
- }
- if(op2index[op]!=255)
- return &opcodes[op2index[op]];
- return 0;
-}
-
-abc_code_t*code_parse(TAG*tag, int len, abc_file_t*file, pool_t*pool)
-{
- abc_code_t*head=0;
- abc_code_t*code=0;
- int end=tag->pos+len;
- //printf("-->\n");fflush(stdout);
- while(tag->pos<end) {
- U8 opcode = swf_GetU8(tag);
- opcode_t*op = opcode_get(opcode);
- if(!op) {
- fprintf(stderr, "Can't parse opcode %02x\n", opcode);
- return head;
- }
- //printf("%s\n", op->name);fflush(stdout);
- NEW(abc_code_t,c);
- if(!head) {
- head = code = c;
- } else {
- code->next = c;
- code = c;
- }
-
- c->opcode = opcode;
-
- char*p = op->params;
- int pos = 0;
- while(*p) {
- void*data = 0;
- if(*p == 'n') { // number
- data = (void*)(ptroff_t)swf_GetU30(tag);
- } else if(*p == '2') { //multiname
- data = multiname_clone(pool_lookup_multiname(pool, swf_GetU30(tag)));
- } else if(*p == 'm') { //method
- data = array_getvalue(file->methods, swf_GetU30(tag));
- } else if(*p == 'c') { //classinfo
- data = array_getvalue(file->classes, swf_GetU30(tag));
- } else if(*p == 'i') { //methodbody TODO
- data = array_getvalue(file->method_bodies, swf_GetU30(tag));
- } else if(*p == 'u') { // lookoup TODO
- data = (void*)(ptroff_t)swf_GetU30(tag);
- } else if(*p == 'b') { // byte
- data = (void*)(ptroff_t)swf_GetU8(tag);
- } else if(*p == 'j') { // jump TODO
- data = (void*)(ptroff_t)swf_GetS24(tag);
- } else if(*p == 's') { // string
- data = strdup((char*)pool_lookup_string(pool, swf_GetU30(tag)));
- } else if(*p == 'D') { // debug
- /*type, usually 1*/
- U8 type = swf_GetU8(tag);
- if(type!=1)
- fprintf(stderr, "Unknown debug type: %02x\n", type);
- /*register name*/
- code->params[0] = strdup((char*)pool_lookup_string(pool, swf_GetU30(tag)));
- /*register index*/
- code->params[1] = (void*)(ptroff_t)swf_GetU8(tag);
- /*unused*/
- swf_GetU30(tag);
- } else if(*p == 'S') { // switch statement TODO
- /* I hate these things */
- swf_GetU24(tag); //default
- int num = swf_GetU30(tag)+1;
- int t;
- for(t=0;t<num;t++)
- swf_GetU24(tag);
- data = 0;
- } else {
- printf("Can't parse opcode param type \"%c\"\n", *p);
- return 0;
- }
- if(data)
- code->params[pos++] = data;
- p++;
- }
- }
- return head;
-}
-
-static void code_free(abc_code_t*c)
-{
- while(c) {
- abc_code_t*next = c->next;
- opcode_t*op = opcode_get(c->opcode);
- char*p = op?op->params:"";
- int pos=0;
- while(*p) {
- void*data = c->params[pos];
- if(*p == '2') { //multiname
- multiname_destroy(data);
- } else if(strchr("sD", *p)) {
- free(data);
- }
- c->params[pos]=0;
- p++;pos++;
- }
- memset(c, 0, sizeof(c));
- free(c);
- c = next;
- }
-}
-
-static int code_dump(abc_code_t*c, abc_file_t*file, char*prefix, FILE*fo)
-{
- pool_t*pool = pool_new();
-
- while(c) {
- U8 opcode = c->opcode;
- int t;
- char found = 0;
- opcode_t*op = opcode_get(opcode);
- if(!op) {
- fprintf(stderr, "Can't parse opcode %02x.\n", opcode);
- return 0;
- } else {
- fprintf(fo, "%s%s ", prefix, op->name);
- char*p = op->params;
- char first = 1;
- int pos=0;
- while(*p) {
- void*data = c->params[pos];
- if(pos>0)
- printf(", ");
-
- if(*p == 'n') {
- int n = (ptroff_t)data;
- fprintf(fo, "%d params", n);
- } else if(*p == '2') {
- multiname_t*n = (multiname_t*)data;
- char* m = multiname_to_string(n);
- fprintf(fo, "%s", m);
- free(m);
- } else if(*p == 'm') {
- abc_method_t*m = (abc_method_t*)data;
- fprintf(fo, "[method %s]", m->name);
- } else if(*p == 'c') {
- abc_class_t*cls = (abc_class_t*)data;
- char*classname = multiname_to_string(cls->classname);
- fprintf(fo, "[classinfo %s]", classname);
- free(classname);
- } else if(*p == 'i') {
- abc_method_body_t*b = (abc_method_body_t*)data;
- fprintf(fo, "[methodbody]");
- } else if(*p == 'u') {
- int n = (ptroff_t)data;
- fprintf(fo, "%d", n);
- } else if(*p == 'b') {
- int b = (ptroff_t)data;
- fprintf(fo, "%02x", b);
- } else if(*p == 'j') {
- int n = (ptroff_t)data;
- fprintf(fo, "%d", n);
- } else if(*p == 's') {
- fprintf(fo, "\"%s\"", data);
- } else if(*p == 'D') {
- fprintf(fo, "[register %02x=%s]", (ptroff_t)c->params[1], (char*)c->params[0]);
- } else if(*p == 'S') {
- fprintf(fo, "[switch data]");
- } else {
- fprintf(stderr, "Can't parse opcode param type \"%c\"\n", *p);
- return 0;
- }
- p++;
- pos++;
- first = 0;
- }
- fprintf(fo, "\n");
- }
- c = c->next;
- }
- return 1;
-}
-
-static int opcode_write(TAG*tag, abc_code_t*code, pool_t*pool, abc_file_t*file)
+static void params_dump(FILE*fo, multiname_list_t*l, constant_list_t*o)
{
- opcode_t*c = opcode_get(code->opcode);
- char*p = c->params;
- int pos = 0;
- int len = 0;
-
- if(tag)
- swf_SetU8(tag, code->opcode);
- len++;
-
- while(*p) {
- void*data = code->params[pos++];
- assert(pos<=2);
- if(*p == 'n') { // number
- len += swf_SetU30(tag, (ptroff_t)data);
- } else if(*p == '2') { //multiname
- multiname_t*m = (multiname_t*)data;
- len += swf_SetU30(tag, pool_register_multiname(pool, m));
- } else if(*p == 'm') { //method
- abc_method_t*m = (abc_method_t*)data;
- len += swf_SetU30(tag, m->index);
- } else if(*p == 'c') { //classinfo
- abc_class_t*cls = (abc_class_t*)data;
- len += swf_SetU30(tag, cls->index);
- } else if(*p == 'i') { //methodbody
- abc_method_body_t*m = (abc_method_body_t*)data;
- len += swf_SetU30(tag, m->index);
- } else if(*p == 'u') { // integer
- len += swf_SetU30(tag, (ptroff_t)data);
- } else if(*p == 'b') { // byte
- if(tag)
- swf_SetU8(tag, (ptroff_t)data);
- len++;
- } else if(*p == 'j') { // jump
- len += swf_SetS24(tag, (ptroff_t)data);
- } else if(*p == 's') { // string
- int index = pool_register_string(pool, data);
- len += swf_SetU30(tag, index);
- } else if(*p == 'D') { // debug statement
- if(tag)
- swf_SetU8(tag, 1);
- len++;
- len+=swf_SetU30(tag, pool_register_string(pool,code->params[0]));
- if(tag)
- swf_SetU8(tag, (ptroff_t)code->params[1]);
- len++;
- len+=swf_SetU30(tag, 0);
- } else if(*p == 'S') { // switch statement
- len+=swf_SetU24(tag, 0); //default
- len+=swf_SetU30(tag, 0); //nr-1
- len+=swf_SetU24(tag, 0); //first
- } else {
- printf("Can't parse opcode param type \"%c\"\n", *p);
+ int n = list_length(l);
+ int no = list_length(o);
+ int i = 0;
+
+ fprintf(fo, "(");
+ while(l) {
+ char*s = multiname_tostring(l->multiname);
+ fprintf(fo, s);
+ free(s);
+ if(i>=n-no) {
+ s = constant_tostring(o->constant);
+ fprintf(fo, " = ");
+ fprintf(fo, s);
+ free(s);
+ o = o->next;
}
- p++;
- }
- return len;
-}
-
-
-static char* params_to_string(multiname_list_t*list)
-{
- 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->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;
+ if(l->next)
+ fprintf(fo, ", ");
+ l = l->next;i++;
}
- free(names);
- strcat(params, ")");
- int t;
- return params;
+ fprintf(fo, ")");
}
//#define DEBUG
for(s=0;s<num;s++) {
int i1 = swf_GetU30(tag);
int i2 = swf_GetU30(tag);
- char*key = i1?pool_lookup_string(pool, i1):"";
- char*value = i2?pool_lookup_string(pool, i2):"";
+ const char*key = i1?pool_lookup_string(pool, i1):"";
+ const char*value = i2?pool_lookup_string(pool, i2):"";
DEBUG printf(" %s=%s\n", key, value);
array_append(items, key, strdup(value));
}
f->classes = array_new();
f->scripts = array_new();
f->method_bodies = array_new();
+ f->flags = ABCFILE_LAZY;
return f;
}
-#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, multiname_t*classname, multiname_t*superclass) {
- abc_class_t* c = malloc(sizeof(abc_class_t));
- memset(c, 0, sizeof(abc_class_t));
- c->index = array_append(pool->classes, classname->name, c);
- c->pool = pool;
- c->classname = classname;
- c->superclass = superclass;
+abc_class_t* abc_class_new(abc_file_t*file, multiname_t*classname, multiname_t*superclass) {
+
+ NEW(abc_class_t,c);
+ array_append(file->classes, NO_KEY, c);
+
+ c->file = file;
+ c->classname = multiname_clone(classname);
+ c->superclass = multiname_clone(superclass);
c->flags = 0;
c->constructor = 0;
c->static_constructor = 0;
}
void abc_class_add_interface(abc_class_t*c, multiname_t*interface)
{
- list_append(c->interfaces, interface);
+ list_append(c->interfaces, multiname_clone(interface));
}
-abc_method_body_t* add_method(abc_file_t*pool, abc_class_t*cls, char*returntype, int num_params, va_list va)
+void abc_method_init(abc_method_t*m, abc_file_t*file, multiname_t*returntype, char body)
{
- /* 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 = array_append(pool->method_bodies, 0, c);
- c->pool = pool;
- c->traits = list_new();
- c->code = 0;
-
/* construct method object */
- NEW(abc_method_t,m);
- m->index = array_append(pool->methods, 0, m);
- if(returntype && strcmp(returntype, "void")) {
- m->return_type = multiname_fromstring(returntype);
- } else {
- m->return_type = 0;
+ m->index = array_length(file->methods);
+ array_append(file->methods, NO_KEY, m);
+ m->return_type = returntype;
+
+ if(body) {
+ /* construct code (method body) object */
+ NEW(abc_method_body_t,c);
+ array_append(file->method_bodies, NO_KEY, c);
+ c->index = array_length(file->method_bodies);
+ c->file = file;
+ c->traits = list_new();
+ c->code = 0;
+
+ /* crosslink the two objects */
+ m->body = c;
+ c->method = m;
}
- int t;
- for(t=0;t<num_params;t++) {
- const char*param = va_arg(va, const char*);
- list_append(m->parameters, multiname_fromstring(param));
- }
-
- /* crosslink the two objects */
- m->body = c;
- c->method = m;
-
- return c;
+}
+abc_method_t* abc_method_new(abc_file_t*file, multiname_t*returntype, char body)
+{
+ NEW(abc_method_t,m);
+ abc_method_init(m, file, returntype, body);
+ return m;
}
-abc_method_body_t* abc_class_constructor(abc_class_t*cls, char*returntype, int num_params, ...)
+abc_method_t* abc_class_getconstructor(abc_class_t*cls, multiname_t*returntype)
{
- va_list va;
- va_start(va, num_params);
- abc_method_body_t* c = add_method(cls->pool, cls, returntype, num_params, va);
- va_end(va);
- cls->constructor = c->method;
- return c;
+ if(cls->constructor) {
+ return cls->constructor;
+ }
+ abc_method_t* m = abc_method_new(cls->file, returntype, 1);
+ cls->constructor = m;
+ return m;
}
-abc_method_body_t* abc_class_staticconstructor(abc_class_t*cls, char*returntype, int num_params, ...)
+abc_method_t* abc_class_getstaticconstructor(abc_class_t*cls, multiname_t*returntype)
{
- va_list va;
- va_start(va, num_params);
- abc_method_body_t* c = add_method(cls->pool, cls, returntype, num_params, va);
- va_end(va);
- cls->static_constructor = c->method;
- return c;
+ if(cls->static_constructor) {
+ return cls->static_constructor;
+ }
+ abc_method_t* m = abc_method_new(cls->file, returntype, 1);
+ cls->static_constructor = m;
+ return m;
}
-trait_t*trait_new(int type, multiname_t*name, int data1, int data2, int vindex, int vkind)
+trait_t*trait_new(int type, multiname_t*name, int data1, int data2, constant_t*v)
{
trait_t*trait = malloc(sizeof(trait_t));
memset(trait, 0, sizeof(trait_t));
trait->name = name;
trait->data1 = data1;
trait->data2 = data2;
- trait->vindex = vindex;
- trait->vkind = vkind;
+ trait->value = v;
return trait;
}
-abc_method_body_t* abc_class_method(abc_class_t*cls, char*returntype, char*name, int num_params, ...)
+trait_t*trait_new_member(trait_list_t**traits, multiname_t*type, multiname_t*name,constant_t*v)
{
- 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);
- list_append(cls->traits, trait_new(TRAIT_METHOD, multiname_fromstring(name), 0, c->method->index, 0, 0));
- return c;
+ int kind = TRAIT_SLOT;
+ trait_t*trait = malloc(sizeof(trait_t));
+ memset(trait, 0, sizeof(trait_t));
+ trait->kind = kind&0x0f;
+ trait->attributes = kind&0xf0;
+ trait->name = name;
+ trait->type_name = type;
+
+ trait->slot_id = list_length(*traits)+1;
+ trait_list_t*l = *traits;
+ list_append_(traits, trait);
+ return trait;
+}
+trait_t*trait_new_method(trait_list_t**traits, multiname_t*name, abc_method_t*m)
+{
+ int type = TRAIT_METHOD;
+ trait_t*trait = malloc(sizeof(trait_t));
+ memset(trait, 0, sizeof(trait_t));
+ trait->kind = type&0x0f;
+ trait->attributes = type&0xf0;
+ trait->name = name;
+ trait->method = m;
+
+ /* start assigning traits at position #1.
+ Weird things happen when assigning slot 0- slot 0 and 1 seem
+ to be identical */
+ trait->slot_id = list_length(*traits)+1;
+ list_append_(traits, trait);
+ return trait;
}
-void abc_AddSlot(abc_class_t*cls, char*name, int slot, char*multiname)
+abc_method_t* abc_class_method(abc_class_t*cls, multiname_t*returntype, multiname_t*name)
{
- abc_file_t*pool = cls->pool;
- multiname_t*m = multiname_fromstring(multiname);
- list_append(cls->traits, trait_new(TRAIT_SLOT, m, slot, 0, 0, 0));
+ abc_file_t*file = cls->file;
+ abc_method_t* m = abc_method_new(cls->file, returntype, !(cls->flags&CLASS_INTERFACE));
+ m->trait = trait_new_method(&cls->traits, multiname_clone(name), m);
+ return m;
+}
+abc_method_t* abc_class_staticmethod(abc_class_t*cls, multiname_t*returntype, multiname_t*name)
+{
+ abc_file_t*file = cls->file;
+ abc_method_t* m = abc_method_new(cls->file, returntype, !(cls->flags&CLASS_INTERFACE));
+ m->trait = trait_new_method(&cls->static_traits, multiname_clone(name), m);
+ return m;
+}
+
+trait_t* abc_class_slot(abc_class_t*cls, multiname_t*name, multiname_t*type)
+{
+ abc_file_t*file = cls->file;
+ multiname_t*m_name = multiname_clone(name);
+ multiname_t*m_type = multiname_clone(type);
+ trait_t*t = trait_new_member(&cls->traits, m_type, m_name, 0);
+ return t;
+}
+trait_t* abc_class_staticslot(abc_class_t*cls, multiname_t*name, multiname_t*type)
+{
+ abc_file_t*file = cls->file;
+ multiname_t*m_name = multiname_clone(name);
+ multiname_t*m_type = multiname_clone(type);
+ trait_t*t = trait_new_member(&cls->static_traits, m_type, m_name, 0);
+ return t;
+}
+
+
+trait_t* abc_class_find_slotid(abc_class_t*cls, int slotid)
+{
+ trait_list_t*l;
+ trait_t*t=0;
+ for(l=cls->traits;l;l=l->next) {
+ if(l->trait->slot_id==slotid) {
+ t=l->trait;
+ break;
+ }
+ }
+ return t;
}
void abc_method_body_addClassTrait(abc_method_body_t*code, char*multiname, int slotid, abc_class_t*cls)
{
- abc_file_t*pool = code->pool;
+ abc_file_t*file = code->file;
multiname_t*m = multiname_fromstring(multiname);
- trait_t*trait = trait_new(TRAIT_CLASS, m, slotid, 0, 0, 0);
+ trait_t*trait = trait_new(TRAIT_CLASS, m, slotid, 0, 0);
trait->cls = cls;
list_append(code->traits, 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)
+int abc_initscript_addClassTrait(abc_script_t*script, multiname_t*multiname, abc_class_t*cls)
{
- abc_file_t*pool = script->pool;
- multiname_t*m = multiname_fromstring(multiname);
- trait_t*trait = trait_new(TRAIT_CLASS, m, slotid, 0, 0, 0);
+ abc_file_t*file = script->file;
+ multiname_t*m = multiname_clone(multiname);
+ int slotid = list_length(script->traits)+1;
+ trait_t*trait = trait_new(TRAIT_CLASS, m, slotid, 0, 0);
trait->cls = cls;
list_append(script->traits, trait);
+ return slotid;
}
-abc_script_t* abc_initscript(abc_file_t*pool, char*returntype, int num_params, ...)
+abc_script_t* abc_initscript(abc_file_t*file)
{
- va_list va;
- va_start(va, num_params);
- abc_method_body_t* c = add_method(pool, 0, returntype, num_params, va);
+ abc_method_t*m = abc_method_new(file, 0, 1);
abc_script_t* s = malloc(sizeof(abc_script_t));
- s->method = c->method;
+ s->method = m;
s->traits = list_new();
- s->pool = pool;
- array_append(pool->scripts, 0, s);
- va_end(va);
+ s->file = file;
+ array_append(file->scripts, NO_KEY, s);
return s;
}
-static void dump_traits(FILE*fo, const char*prefix, trait_list_t*traits, abc_file_t*file);
+static void traits_dump(FILE*fo, const char*prefix, trait_list_t*traits, abc_file_t*file, dict_t*methods_seen);
-static void dump_method(FILE*fo, const char*prefix, const char*type, const char*name, abc_method_t*m, abc_file_t*file)
+static void dump_method(FILE*fo, const char*prefix,
+ const char*attr,
+ const char*type,
+ const char*name,
+ abc_method_t*m, abc_file_t*file, dict_t*methods_seen)
{
- const char*return_type = "";
+ if(methods_seen)
+ dict_put(methods_seen, m, 0);
+
+ char*return_type = 0;
if(m->return_type)
- return_type = multiname_to_string(m->return_type);
+ return_type = multiname_tostring(m->return_type);
+ else
+ return_type = strdup("void");
- char*paramstr = params_to_string(m->parameters);
+ fprintf(fo, "%s", prefix);
+ fprintf(fo, "%s %s ", attr, type);
+ fprintf(fo, "%s %s=%s", return_type, name, m->name);
+ params_dump(fo, m->parameters, m->optional_parameters);
+ fprintf(fo, "(%d params, %d optional)\n", list_length(m->parameters), list_length(m->optional_parameters));
- fprintf(fo, "%s%s %s %s=%s %s\n", prefix, type, return_type, name, m->name, paramstr);
+ free(return_type);return_type=0;
abc_method_body_t*c = m->body;
if(!c) {
return;
}
- fprintf(fo, "%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);
+ fprintf(fo, "%s[stack:%d locals:%d scope:%d-%d flags:",
+ prefix, c->old.max_stack, c->old.local_count, c->old.init_scope_depth,
+ c->old.max_scope_depth);
+
+
+ int flags = c->method->flags;
+ if(flags&METHOD_NEED_ARGUMENTS) {fprintf(fo, " need_arguments");flags&=~METHOD_NEED_ARGUMENTS;}
+ if(flags&METHOD_NEED_ACTIVATION) {fprintf(fo, " need_activation");flags&=~METHOD_NEED_ACTIVATION;}
+ if(flags&METHOD_NEED_REST) {fprintf(fo, " need_rest");flags&=~METHOD_NEED_REST;}
+ if(flags&METHOD_HAS_OPTIONAL) {fprintf(fo, " has_optional");flags&=~METHOD_HAS_OPTIONAL;}
+ if(flags&METHOD_SET_DXNS) {fprintf(fo, " set_dxns");flags&=~METHOD_SET_DXNS;}
+ if(flags&METHOD_HAS_PARAM_NAMES) {fprintf(fo, " has_param_names");flags&=~METHOD_HAS_PARAM_NAMES;}
+ if(flags) fprintf(fo, " %02x", flags);
+ fprintf(fo, "]");
+
+ if(m->trait) {
+ fprintf(fo, " slot:%d", m->trait->slot_id);
+ }
+ fprintf(fo, "\n");
+
char prefix2[80];
sprintf(prefix2, "%s ", prefix);
if(c->traits)
- dump_traits(fo, prefix, c->traits, file);
+ traits_dump(fo, prefix, c->traits, file, methods_seen);
fprintf(fo, "%s{\n", prefix);
- code_dump(c->code, file, prefix2, fo);
+ code_dump2(c->code, c->exceptions, file, prefix2, fo);
fprintf(fo, "%s}\n\n", prefix);
}
if(t->trait->kind == TRAIT_SLOT || t->trait->kind == TRAIT_CONST) {
multiname_destroy(t->trait->type_name);
}
+ if(t->trait->value) {
+ constant_free(t->trait->value);t->trait->value = 0;
+ }
free(t->trait);t->trait = 0;
t = t->next;
}
list_free(traits);
}
+
+static char trait_is_method(trait_t*trait)
+{
+ return (trait->kind == TRAIT_METHOD || trait->kind == TRAIT_GETTER ||
+ trait->kind == TRAIT_SETTER || trait->kind == TRAIT_FUNCTION);
+}
static trait_list_t* traits_parse(TAG*tag, pool_t*pool, abc_file_t*file)
{
}
for(t=0;t<num_traits;t++) {
- trait_t*trait = malloc(sizeof(trait_t));
- memset(trait, 0, sizeof(trait_t));
+ NEW(trait_t,trait);
list_append(traits, trait);
trait->name = multiname_clone(pool_lookup_multiname(pool, swf_GetU30(tag))); // always a QName (ns,name)
const char*name = 0;
- DEBUG name = multiname_to_string(trait->name);
+ DEBUG name = multiname_tostring(trait->name);
U8 kind = swf_GetU8(tag);
U8 attributes = kind&0xf0;
kind&=0x0f;
if(kind == TRAIT_METHOD || kind == TRAIT_GETTER || kind == TRAIT_SETTER) { // method / getter / setter
trait->disp_id = swf_GetU30(tag);
trait->method = (abc_method_t*)array_getvalue(file->methods, swf_GetU30(tag));
+ trait->method->trait = trait;
DEBUG printf(" method/getter/setter\n");
} else if(kind == TRAIT_FUNCTION) { // function
trait->slot_id = swf_GetU30(tag);
trait->method = (abc_method_t*)array_getvalue(file->methods, swf_GetU30(tag));
+ trait->method->trait = trait;
} else if(kind == TRAIT_CLASS) { // class
trait->slot_id = swf_GetU30(tag);
trait->cls = (abc_class_t*)array_getvalue(file->classes, swf_GetU30(tag));
DEBUG printf(" class %s %d %d\n", name, trait->slot_id, trait->cls);
} else if(kind == TRAIT_SLOT || kind == TRAIT_CONST) { // 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);
trait->type_name = multiname_clone(pool_lookup_multiname(pool, swf_GetU30(tag)));
- trait->vindex = swf_GetU30(tag);
- if(trait->vindex) {
- trait->vkind = swf_GetU8(tag);
+ int vindex = swf_GetU30(tag);
+ if(vindex) {
+ int vkind = swf_GetU8(tag);
+ trait->value = constant_fromindex(pool, vindex, vkind);
}
- DEBUG printf(" slot %s %d %s (vindex=%d)\n", name, trait->slot_id, trait->type_name->name, trait->vindex);
+ DEBUG printf(" slot %s %d %s (%s)\n", name, trait->slot_id, trait->type_name->name, constant_tostring(trait->value));
} else {
fprintf(stderr, "Can't parse trait type %d\n", kind);
}
}
if(trait->kind == TRAIT_SLOT || trait->kind == TRAIT_CONST) {
- swf_SetU30(tag, trait->vindex);
- if(trait->vindex) {
- swf_SetU8(tag, trait->vkind);
+ int vindex = constant_get_index(pool, trait->value);
+ swf_SetU30(tag, vindex);
+ if(vindex) {
+ swf_SetU8(tag, trait->value->type);
}
}
if(trait->attributes&0x40) {
}
-static void dump_traits(FILE*fo, const char*prefix, trait_list_t*traits, abc_file_t*file)
+static void traits_dump(FILE*fo, const char*prefix, trait_list_t*traits, abc_file_t*file, dict_t*methods_seen)
{
int t;
while(traits) {
trait_t*trait = traits->trait;
- char*name = multiname_to_string(trait->name);
+ char*name = multiname_tostring(trait->name);
U8 kind = trait->kind;
U8 attributes = trait->attributes;
+
+ char a = attributes & (TRAIT_ATTR_OVERRIDE|TRAIT_ATTR_FINAL);
+ char* type = "";
+ if(a==TRAIT_ATTR_FINAL)
+ type = "final ";
+ else if(a==TRAIT_ATTR_OVERRIDE)
+ type = "override ";
+ else if(a==(TRAIT_ATTR_OVERRIDE|TRAIT_ATTR_FINAL))
+ type = "final override ";
+
+ if(attributes&TRAIT_ATTR_METADATA)
+ fprintf(fo, "<metadata>");
+
if(kind == TRAIT_METHOD) {
abc_method_t*m = trait->method;
- dump_method(fo, prefix, "method", name, m, file);
+ dump_method(fo, prefix, type, "method", name, m, file, methods_seen);
} else if(kind == TRAIT_GETTER) {
abc_method_t*m = trait->method;
- dump_method(fo, prefix, "getter", name, m, file);
+ dump_method(fo, prefix, type, "getter", name, m, file, methods_seen);
} else if(kind == TRAIT_SETTER) {
abc_method_t*m = trait->method;
- dump_method(fo, prefix, "setter", name, m, file);
+ dump_method(fo, prefix, type, "setter", name, m, file, methods_seen);
} else if(kind == TRAIT_FUNCTION) { // function
abc_method_t*m = trait->method;
- dump_method(fo, prefix, "function", name, m, file);
+ dump_method(fo, prefix, type, "function", name, m, file, methods_seen);
} else if(kind == TRAIT_CLASS) { // class
abc_class_t*cls = trait->cls;
if(!cls) {
- fprintf(fo, "%sslot %d: class %s=class%d\n", prefix, trait->slot_id, name);
+ fprintf(fo, "%sslot %d: class %s=00000000\n", prefix, trait->slot_id, name);
} else {
fprintf(fo, "%sslot %d: class %s=%s\n", prefix, trait->slot_id, name, cls->classname->name);
}
} else if(kind == TRAIT_SLOT || kind == TRAIT_CONST) { // slot, const
int slot_id = trait->slot_id;
- char*type_name = multiname_to_string(trait->type_name);
- fprintf(fo, "%sslot %s %d %s (vindex=%d)\n", prefix, name, trait->slot_id, type_name, trait->vindex);
+ char*type_name = multiname_tostring(trait->type_name);
+ char*value = constant_tostring(trait->value);
+ fprintf(fo, "%sslot %d: %s %s:%s %s %s\n", prefix, trait->slot_id,
+ kind==TRAIT_CONST?"const":"var", name, type_name,
+ value?"=":"", value?value:"");
+ if(value) free(value);
free(type_name);
} else {
fprintf(fo, "%s can't dump trait type %d\n", prefix, kind);
void* swf_DumpABC(FILE*fo, void*code, char*prefix)
{
abc_file_t* file = (abc_file_t*)code;
-
- if(file->name)
+
+ if(file->name) {
fprintf(fo, "%s#\n", prefix);
fprintf(fo, "%s#name: %s\n", prefix, file->name);
fprintf(fo, "%s#\n", prefix);
+ }
int t;
for(t=0;t<file->metadata->num;t++) {
fprintf(fo, "%s#\n", prefix);
}
+ dict_t*methods_seen = dict_new2(&ptr_type);
for(t=0;t<file->classes->num;t++) {
abc_class_t*cls = (abc_class_t*)array_getvalue(file->classes, t);
char prefix2[80];
if(cls->flags&2) fprintf(fo, "final ");
if(cls->flags&4) fprintf(fo, "interface ");
if(cls->flags&8) {
- char*s = namespace_to_string(cls->protectedNS);
+ char*s = namespace_tostring(cls->protectedNS);
fprintf(fo, "protectedNS(%s) ", s);
free(s);
}
- char*classname = multiname_to_string(cls->classname);
+ char*classname = multiname_tostring(cls->classname);
fprintf(fo, "class %s", classname);
free(classname);
if(cls->superclass) {
- char*supername = multiname_to_string(cls->superclass);
+ char*supername = multiname_tostring(cls->superclass);
fprintf(fo, " extends %s", supername);
free(supername);
multiname_list_t*ilist = cls->interfaces;
if(ilist)
fprintf(fo, " implements");
while(ilist) {
- char*s = multiname_to_string(ilist->multiname);
+ char*s = multiname_tostring(ilist->multiname);
fprintf(fo, " %s", s);
free(s);
ilist = ilist->next;
fprintf(fo, "extra flags=%02x\n", cls->flags&0xf0);
fprintf(fo, "%s{\n", prefix);
- if(cls->static_constructor)
- dump_method(fo, prefix2,"staticconstructor", "", cls->static_constructor, file);
- dump_traits(fo, prefix2, cls->static_constructor_traits, file);
+ dict_put(methods_seen, cls->static_constructor, 0);
+ dict_put(methods_seen, cls->constructor, 0);
+
+ if(cls->static_constructor) {
+ dump_method(fo, prefix2, "", "staticconstructor", "", cls->static_constructor, file, methods_seen);
+ }
+ traits_dump(fo, prefix2, cls->static_traits, file, methods_seen);
- char*n = multiname_to_string(cls->classname);
+ char*n = multiname_tostring(cls->classname);
if(cls->constructor)
- dump_method(fo, prefix2, "constructor", n, cls->constructor, file);
+ dump_method(fo, prefix2, "", "constructor", n, cls->constructor, file, methods_seen);
free(n);
- dump_traits(fo, prefix2,cls->traits, file);
+ traits_dump(fo, prefix2,cls->traits, file, methods_seen);
fprintf(fo, "%s}\n", prefix);
}
fprintf(fo, "%s\n", prefix);
for(t=0;t<file->scripts->num;t++) {
abc_script_t*s = (abc_script_t*)array_getvalue(file->scripts, t);
- dump_method(fo, prefix,"initmethod", "init", s->method, file);
- dump_traits(fo, prefix, s->traits, file);
+ dump_method(fo, prefix, "", "initmethod", "init", s->method, file, methods_seen);
+ traits_dump(fo, prefix, s->traits, file, methods_seen);
+ }
+
+ char extra=0;
+ for(t=0;t<file->methods->num;t++) {
+ abc_method_t*m = (abc_method_t*)array_getvalue(file->methods, t);
+ if(!dict_contains(methods_seen, m)) {
+ if(!extra) {
+ extra=1;
+ fprintf(fo, "\n");
+ fprintf(fo, "%s//internal (non-class non-script) methods:\n", prefix);
+ }
+ char name[18];
+ sprintf(name, "%08x ", m->index);
+ dump_method(fo, prefix, "", "internalmethod", name, m, file, methods_seen);
+ }
}
+ dict_destroy(methods_seen);
+
return file;
}
U32 abcflags = swf_GetU32(tag);
DEBUG printf("flags=%08x\n", abcflags);
char*name= swf_GetString(tag);
- file->name = name?strdup(name):0;
+ file->name = (name&&name[0])?strdup(name):0;
}
U32 version = swf_GetU32(tag);
if(version!=0x002e0010) {
NEW(abc_method_t,m);
int param_count = swf_GetU30(tag);
int return_type_index = swf_GetU30(tag);
- m->return_type = multiname_clone(pool_lookup_multiname(pool, return_type_index));
+ if(return_type_index)
+ m->return_type = multiname_clone(pool_lookup_multiname(pool, return_type_index));
+ else
+ m->return_type = 0;
int s;
for(s=0;s<param_count;s++) {
int type_index = swf_GetU30(tag);
- multiname_t*param = multiname_clone(pool_lookup_multiname(pool, type_index));
- /* type_index might be 0, which probably means "..." (varargs) */
+
+ /* type_index might be 0 ("*") */
+ multiname_t*param = type_index?multiname_clone(pool_lookup_multiname(pool, type_index)):0;
list_append(m->parameters, param);
}
m->flags = swf_GetU8(tag);
- DEBUG printf("method %d) %s flags=%02x\n", t, params_to_string(m->parameters), m->flags);
+ DEBUG printf("method %d) %s ", m->name);
+ DEBUG params_dump(stdout, m->parameters, m->optional_parameters);
+ DEBUG printf("flags=%02x\n", t, m->flags);
if(m->flags&0x08) {
- /* optional parameters */
+ m->optional_parameters = list_new();
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"
+ int vindex = swf_GetU30(tag);
+ U8 vkind = swf_GetU8(tag); // specifies index type for "val"
+ constant_t*c = constant_fromindex(pool, vindex, vkind);
+ list_append(m->optional_parameters, c);
+
}
}
if(m->flags&0x80) {
/* debug information- not used by avm2 */
multiname_list_t*l = m->parameters;
while(l) {
- char*name = pool_lookup_string(pool, swf_GetU30(tag));
+ const char*name = pool_lookup_string(pool, swf_GetU30(tag));
l = l->next;
}
}
- array_append(file->methods, m->name, m);
+ m->index = array_length(file->methods);
+ array_append(file->methods, NO_KEY, m);
}
parse_metadata(tag, file, pool);
abc_class_t*cls = malloc(sizeof(abc_class_t));
memset(cls, 0, sizeof(abc_class_t));
- DEBUG printf("class %d\n", t);
- int name_index = swf_GetU30(tag); //classname
- char*name = pool_lookup_string(pool, name_index);
-
- array_append(file->classes, name, cls);
-
+ swf_GetU30(tag); //classname
swf_GetU30(tag); //supername
+
+ array_append(file->classes, NO_KEY, cls);
+
cls->flags = swf_GetU8(tag);
+ DEBUG printf("class %d %02x\n", t, cls->flags);
if(cls->flags&8)
swf_GetU30(tag); //protectedNS
int s;
DEBUG printf(" class %d interface: %s\n", t, m->name);
}
- swf_GetU30(tag); //iinit
+ int iinit = swf_GetU30(tag); //iinit
+ DEBUG printf("--iinit-->%d\n", iinit);
traits_skip(tag);
}
for(t=0;t<num_classes;t++) {
abc_class_t*cls = (abc_class_t*)array_getvalue(file->classes, t);
int cinit = swf_GetU30(tag);
+ DEBUG printf("--cinit(%d)-->%d\n", t, cinit);
cls->static_constructor = (abc_method_t*)array_getvalue(file->methods, cinit);
traits_skip(tag);
}
abc_method_t*m = (abc_method_t*)array_getvalue(file->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);
+ c->old.max_stack = swf_GetU30(tag);
+ c->old.local_count = swf_GetU30(tag);
+ c->old.init_scope_depth = swf_GetU30(tag);
+ c->old.max_scope_depth = swf_GetU30(tag);
+
+ c->init_scope_depth = c->old.init_scope_depth;
int code_length = swf_GetU30(tag);
c->method = m;
m->body = c;
int pos = tag->pos + code_length;
- c->code = code_parse(tag, code_length, file, pool);
+ codelookup_t*codelookup = 0;
+ c->code = code_parse(tag, code_length, file, pool, &codelookup);
tag->pos = pos;
int exception_count = swf_GetU30(tag);
int s;
+ c->exceptions = list_new();
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
+ abc_exception_t*e = malloc(sizeof(abc_exception_t));
+
+ e->from = code_atposition(codelookup, swf_GetU30(tag));
+ e->to = code_atposition(codelookup, swf_GetU30(tag));
+ e->target = code_atposition(codelookup, swf_GetU30(tag));
+
+ e->exc_type = multiname_clone(pool_lookup_multiname(pool, swf_GetU30(tag)));
+ e->var_name = multiname_clone(pool_lookup_multiname(pool, swf_GetU30(tag)));
+ //e->var_name = pool_lookup_string(pool, swf_GetU30(tag));
+ //if(e->var_name) e->var_name = strdup(e->var_name);
+ list_append(c->exceptions, e);
}
+ codelookup_free(codelookup);
c->traits = traits_parse(tag, pool, file);
- DEBUG printf("method_body %d) (method %d), %d bytes of code", t, methodnr, code_length);
+ DEBUG printf("method_body %d) (method %d), %d bytes of code\n", t, methodnr, code_length);
- array_append(file->method_bodies, m->name, c);
+ array_append(file->method_bodies, NO_KEY, c);
}
if(tag->len - tag->pos) {
- fprintf(stderr, "%d unparsed bytes remaining in ABC block\n", tag->len - tag->pos);
+ fprintf(stderr, "ERROR: %d unparsed bytes remaining in ABC block\n", tag->len - tag->pos);
return 0;
}
int num_interfaces = swf_GetU30(tag); //interface count
int s;
for(s=0;s<num_interfaces;s++) {
- swf_GetU30(tag); // multiname index TODO
+ swf_GetU30(tag);
}
int iinit = swf_GetU30(tag);
cls->constructor = (abc_method_t*)array_getvalue(file->methods, iinit);
abc_class_t*cls = (abc_class_t*)array_getvalue(file->classes, t);
/* SKIP */
swf_GetU30(tag); // cindex
- cls->static_constructor_traits = traits_parse(tag, pool, file);
+ cls->static_traits = traits_parse(tag, pool, file);
}
int num_scripts2 = swf_GetU30(tag);
for(t=0;t<num_scripts2;t++) {
memset(s, 0, sizeof(abc_script_t));
s->method = m;
s->traits = traits_parse(tag, pool, file);
- array_append(file->scripts, "script", s);
- if(!s->traits) {
- fprintf(stderr, "Can't parse script traits\n");
- return 0;
- }
+ array_append(file->scripts, NO_KEY, s);
}
pool_destroy(pool);
return file;
}
-static void code_write(TAG*tag, abc_code_t*code, pool_t*pool, abc_file_t*file)
-{
- int len = 0;
- abc_code_t*c = code;
- while(c) {
- len += opcode_write(0, c, pool, file);
- c = c->next;
- }
- swf_SetU30(tag, len);
- int pos = tag->len;
- c = code;
- while(c) {
- opcode_write(tag, c, pool, file);
- c = c->next;
- }
- assert(tag->len - pos == len);
-}
-
-void swf_WriteABC(TAG*abctag, void*code)
+static pool_t*writeABC(TAG*abctag, void*code, pool_t*pool)
{
abc_file_t*file = (abc_file_t*)code;
- pool_t*pool = pool_new();
+ if(!pool)
+ pool = pool_new();
+ if(!file)
+ file = abc_file_new();
TAG*tmp = swf_InsertTag(0,0);
TAG*tag = tmp;
int t;
+
+ /* add method bodies where needed */
+ for(t=0;t<file->classes->num;t++) {
+ abc_class_t*c = (abc_class_t*)array_getvalue(file->classes, t);
+ if(!c->constructor) {
+ if(!(c->flags&CLASS_INTERFACE)) {
+ NEW(abc_method_t,m);array_append(file->methods, NO_KEY, m);
+ NEW(abc_method_body_t,body);array_append(file->method_bodies, NO_KEY, body);
+ // don't bother to set m->index
+ body->method = m; m->body = body;
+ __ returnvoid(body);
+ c->constructor = m;
+ } else {
+ NEW(abc_method_t,m);array_append(file->methods, NO_KEY, m);
+ c->constructor = m;
+ }
+ }
+ if(!c->static_constructor) {
+ NEW(abc_method_t,m);array_append(file->methods, NO_KEY, m);
+ NEW(abc_method_body_t,body);array_append(file->method_bodies, NO_KEY, body);
+ body->method = m; m->body = body;
+ __ returnvoid(body);
+ c->static_constructor = m;
+ }
+ }
+
swf_SetU30(tag, file->methods->num);
-
/* enumerate classes, methods and method bodies */
for(t=0;t<file->methods->num;t++) {
abc_method_t*m = (abc_method_t*)array_getvalue(file->methods, t);
abc_method_body_t*m = (abc_method_body_t*)array_getvalue(file->method_bodies, t);
m->index = t;
}
-
+
+ /* generate code statistics */
+ for(t=0;t<file->method_bodies->num;t++) {
+ abc_method_body_t*m = (abc_method_body_t*)array_getvalue(file->method_bodies, t);
+ m->stats = code_get_statistics(m->code, m->exceptions);
+ }
+
+ /* level init scope depths: The init scope depth of a method is
+ always as least as high as the init scope depth of it's surrounding
+ class.
+ A method has it's own init_scope_depth if it's an init method
+ (then its init scope depth is zero), or if it's used as a closure.
+
+ Not sure yet what to do with methods which are used at different
+ locations- e.g. the nullmethod is used all over the place.
+ EDIT: flashplayer doesn't allow this anyway- a method can only
+ be used once
+
+ Also, I have the strong suspicion that flash player uses only
+ the difference between max_scope_stack and init_scope_stack, anyway.
+ */
+ for(t=0;t<file->classes->num;t++) {
+ abc_class_t*c = (abc_class_t*)array_getvalue(file->classes, t);
+ trait_list_t*traits = c->traits;
+ if(c->constructor && c->constructor->body &&
+ c->constructor->body->init_scope_depth < c->init_scope_depth) {
+ c->constructor->body->init_scope_depth = c->init_scope_depth;
+ }
+ if(c->static_constructor && c->static_constructor->body &&
+ c->static_constructor->body->init_scope_depth < c->init_scope_depth) {
+ c->static_constructor->body->init_scope_depth = c->init_scope_depth;
+ }
+ while(traits) {
+ trait_t*trait = traits->trait;
+ if(trait_is_method(trait) && trait->method->body) {
+ abc_method_body_t*body = trait->method->body;
+ if(body->init_scope_depth < c->init_scope_depth) {
+ body->init_scope_depth = c->init_scope_depth;
+ }
+ }
+ traits = traits->next;
+ }
+ }
+
for(t=0;t<file->methods->num;t++) {
abc_method_t*m = (abc_method_t*)array_getvalue(file->methods, t);
int n = 0;
swf_SetU30(tag, 0);
}
- swf_SetU8(tag, 0); //flags
+ U8 flags = m->flags&(METHOD_NEED_REST|METHOD_NEED_ARGUMENTS);
+ if(m->optional_parameters)
+ flags |= METHOD_HAS_OPTIONAL;
+ if(m->body) {
+ flags |= m->body->stats->flags;
+ }
+
+ swf_SetU8(tag, flags);
+ if(flags&METHOD_HAS_OPTIONAL) {
+ swf_SetU30(tag, list_length(m->optional_parameters));
+ constant_list_t*l = m->optional_parameters;
+ while(l) {
+ int i = constant_get_index(pool, l->constant);
+ swf_SetU30(tag, i);
+ if(!i) {
+ swf_SetU8(tag, CONSTANT_NULL);
+ } else {
+ swf_SetU8(tag, l->constant->type);
+ }
+ l = l->next;
+ }
+ }
}
/* write metadata */
interface = interface->next;
}
- if(!c->constructor) {
- fprintf(stderr, "Error: Class %s has no constructor\n", c->classname);
- return;
- }
+ assert(c->constructor);
swf_SetU30(tag, c->constructor->index);
+
traits_write(pool, tag, c->traits);
}
for(t=0;t<file->classes->num;t++) {
abc_class_t*c = (abc_class_t*)array_getvalue(file->classes, t);
- if(!c->static_constructor) {
- fprintf(stderr, "Error: Class %s has no static constructor\n", c->classname);
- return;
- }
+ assert(c->static_constructor);
swf_SetU30(tag, c->static_constructor->index);
- traits_write(pool, tag, c->static_constructor_traits);
+
+ traits_write(pool, tag, c->static_traits);
}
swf_SetU30(tag, file->scripts->num);
abc_method_body_t*c = (abc_method_body_t*)array_getvalue(file->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->old.max_stack);
+ //swf_SetU30(tag, c->old.local_count);
+ //swf_SetU30(tag, c->old.init_scope_depth);
+ //swf_SetU30(tag, c->old.max_scope_depth);
+
+ swf_SetU30(tag, c->stats->max_stack);
+ int param_num = list_length(c->method->parameters)+1;
+ if(c->method->flags&METHOD_NEED_REST)
+ param_num++;
+ if(param_num <= c->stats->local_count)
+ swf_SetU30(tag, c->stats->local_count);
+ else
+ swf_SetU30(tag, param_num);
+
swf_SetU30(tag, c->init_scope_depth);
- swf_SetU30(tag, c->max_scope_depth);
+ swf_SetU30(tag, c->stats->max_scope_depth+
+ c->init_scope_depth);
code_write(tag, c->code, pool, file);
- swf_SetU30(tag, c->exception_count);
+ swf_SetU30(tag, list_length(c->exceptions));
+ abc_exception_list_t*l = c->exceptions;
+ while(l) {
+ // warning: assumes "pos" in each code_t is up-to-date
+ swf_SetU30(tag, l->abc_exception->from->pos);
+ swf_SetU30(tag, l->abc_exception->to->pos);
+ swf_SetU30(tag, l->abc_exception->target->pos);
+ swf_SetU30(tag, pool_register_multiname(pool, l->abc_exception->exc_type));
+ swf_SetU30(tag, pool_register_multiname(pool, l->abc_exception->var_name));
+ l = l->next;
+ }
+
traits_write(pool, tag, c->traits);
}
+
+ /* free temporary codestat data again. Notice: If we were to write this
+ file multiple times, this can also be shifted to abc_file_free() */
+ for(t=0;t<file->method_bodies->num;t++) {
+ abc_method_body_t*m = (abc_method_body_t*)array_getvalue(file->method_bodies, t);
+ codestats_free(m->stats);m->stats=0;
+ }
// --- start to write real tag --
tag = abctag;
if(tag->id == ST_DOABC) {
- swf_SetU32(tag, 1); // flags
+ swf_SetU32(tag, file->flags); // flags
swf_SetString(tag, file->name);
}
swf_SetBlock(tag, tmp->data, tmp->len);
swf_DeleteTag(0, tmp);
- pool_destroy(pool);
+ return pool;
}
-void swf_FreeABC(void*code)
+void swf_WriteABC(TAG*abctag, void*code)
{
- abc_file_t*file= (abc_file_t*)code;
+ pool_t*pool = writeABC(abctag, code, 0);
+ pool_optimize(pool);
+ swf_ResetTag(abctag, abctag->id);
+ writeABC(abctag, code, pool);
+ pool_destroy(pool);
+}
+void abc_file_free(abc_file_t*file)
+{
+ if(!file)
+ return;
int t;
- for(t=0;t<file->metadata->num;t++) {
- array_t*items = (array_t*)array_getvalue(file->metadata, t);
- int s;
- for(s=0;s<items->num;s++) {
- free(array_getvalue(items, s));
+ if(file->metadata) {
+ for(t=0;t<file->metadata->num;t++) {
+ array_t*items = (array_t*)array_getvalue(file->metadata, t);
+ int s;
+ for(s=0;s<items->num;s++) {
+ free(array_getvalue(items, s));
+ }
+ array_free(items);
}
- array_free(items);
+ array_free(file->metadata);file->metadata=0;
}
- array_free(file->metadata);
for(t=0;t<file->methods->num;t++) {
abc_method_t*m = (abc_method_t*)array_getvalue(file->methods, t);
param = param->next;
}
list_free(m->parameters);m->parameters=0;
+
+ constant_list_t*opt = m->optional_parameters;
+ while(opt) {
+ constant_free(opt->constant);opt->constant=0;
+ opt = opt->next;
+ }
+ list_free(m->optional_parameters);m->optional_parameters=0;
if(m->name) {
free((void*)m->name);m->name=0;
}
free(m);
}
- array_free(file->methods);
+ array_free(file->methods);file->methods=0;
for(t=0;t<file->classes->num;t++) {
abc_class_t*cls = (abc_class_t*)array_getvalue(file->classes, t);
traits_free(cls->traits);cls->traits=0;
- traits_free(cls->static_constructor_traits);cls->static_constructor_traits=0;
+ traits_free(cls->static_traits);cls->static_traits=0;
if(cls->classname) {
multiname_destroy(cls->classname);
}
free(cls);
}
- array_free(file->classes);
+ array_free(file->classes);file->classes=0;
for(t=0;t<file->scripts->num;t++) {
abc_script_t*s = (abc_script_t*)array_getvalue(file->scripts, t);
traits_free(s->traits);s->traits=0;
free(s);
}
- array_free(file->scripts);
+ array_free(file->scripts);file->scripts=0;
for(t=0;t<file->method_bodies->num;t++) {
abc_method_body_t*body = (abc_method_body_t*)array_getvalue(file->method_bodies, t);
code_free(body->code);body->code=0;
traits_free(body->traits);body->traits=0;
+
+ abc_exception_list_t*ee = body->exceptions;
+ while(ee) {
+ abc_exception_t*e=ee->abc_exception;ee->abc_exception=0;
+ e->from = e->to = e->target = 0;
+ multiname_destroy(e->exc_type);e->exc_type=0;
+ multiname_destroy(e->var_name);e->var_name=0;
+ free(e);
+ ee=ee->next;
+ }
+ list_free(body->exceptions);body->exceptions=0;
+
free(body);
}
- array_free(file->method_bodies);
+ array_free(file->method_bodies);file->method_bodies=0;
if(file->name) {
free((void*)file->name);file->name=0;
free(file);
}
-abc_code_t* add_opcode(abc_code_t*atag, U8 op)
-{
- abc_code_t*tmp = (abc_code_t*)malloc(sizeof(abc_code_t));
- tmp->opcode = op;
- tmp->next = 0;
- if(atag) {
- tmp->prev = atag;
- atag->next = tmp;
- tmp->parent = atag->parent;
- } else {
- tmp->prev = 0;
- tmp->parent = tmp;
- }
- return tmp;
-}
-
-#include "abc_ops.c"
-
-void swf_AddButtonLinks(SWF*swf, char stop_each_frame, char events)
+void swf_FreeABC(void*code)
{
- 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_new2(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;
-
- __ getlocal_0(c);
- __ pushscope(c);
- __ 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;
-
- debugfile(c, "constructor.as");
-
- __ getlocal_0(c);
- __ pushscope(c);
-
- __ getlocal_0(c);
- __ constructsuper(c,0);
-
- __ getlex(c, "[package]flash.system::Security");
- __ pushstring(c, "*");
- __ 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 */
- __ findpropstrict(c,"[package]::addFrameScript");
- __ pushbyte(c,frame);
- __ getlex(c,framename);
- __ 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;
- __ debugfile(f, "framescript.as");
- __ debugline(f, 1);
- __ getlocal_0(f);
- __ pushscope(f);
- }
-
- if(tag->id == ST_DEFINEBUTTON || tag->id == ST_DEFINEBUTTON2) {
- U16 id = swf_GetDefineID(tag);
- sprintf(buttonname, "::button%d", swf_GetDefineID(tag));
- __ getlex(f,buttonname);
- __ getlex(f,"flash.events::MouseEvent");
- __ getproperty(f, "::CLICK");
- sprintf(functionname, "::clickbutton%d", swf_GetDefineID(tag));
- __ getlex(f,functionname);
- __ callpropvoid(f, "::addEventListener" ,2);
-
- if(stop_each_frame) {
- __ findpropstrict(f, "[package]::stop");
- __ 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;
- __ getlocal_0(h);
- __ 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) {
- __ findpropstrict(h,"[package]::gotoAndStop");
- __ pushbyte(h,framenr+1);
- __ callpropvoid(h,"[package]::gotoAndStop", 1);
- } else {
- char framename[80];
- sprintf(framename, "frame%d", framenr);
- __ getlocal_0(h); //this
- __ findpropstrict(h, "[package]flash.events::TextEvent");
- __ pushstring(h, "link");
- __ pushtrue(h);
- __ pushtrue(h);
- __ pushstring(h, framename);
- __ constructprop(h,"[package]flash.events::TextEvent", 4);
- __ callpropvoid(h,"[package]::dispatchEvent", 1);
- }
- } else if(oldaction && oldaction->op == ACTION__GETURL) {
- if(!events) {
- __ findpropstrict(h,"flash.net::navigateToURL");
- __ findpropstrict(h,"flash.net::URLRequest");
- // TODO: target _blank
- __ pushstring(h,oldaction->data); //url
- __ constructprop(h,"flash.net::URLRequest", 1);
- __ callpropvoid(h,"flash.net::navigateToURL", 1);
- } else {
- __ getlocal_0(h); //this
- __ findpropstrict(h, "[package]flash.events::TextEvent");
- __ pushstring(h, "link");
- __ pushtrue(h);
- __ pushtrue(h);
- __ pushstring(h,oldaction->data); //url
- __ constructprop(h,"[package]flash.events::TextEvent", 4);
- __ 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);
- }
- __ returnvoid(h);
- swf_ActionFree(oldaction);
- }
- if(tag->id == ST_SHOWFRAME) {
- if(f) {
- __ returnvoid(f);
- f = 0;
- }
- frame++;
- }
- tag = tag->next;
- }
- if(f) {
- __ returnvoid(f);
- }
- }
- __ 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 = s->method->body;
- c->max_stack = 2;
- c->local_count = 1;
- c->init_scope_depth = 1;
- c->max_scope_depth = 9;
-
- __ getlocal_0(c);
- __ pushscope(c);
- __ getscopeobject(c, 0);
- __ getlex(c,"::Object");
- __ pushscope(c);
- __ getlex(c,"flash.events::EventDispatcher");
- __ pushscope(c);
- __ getlex(c,"flash.display::DisplayObject");
- __ pushscope(c);
- __ getlex(c,"flash.display::InteractiveObject");
- __ pushscope(c);
- __ getlex(c,"flash.display::DisplayObjectContainer");
- __ pushscope(c);
- __ getlex(c,"flash.display::Sprite");
- __ pushscope(c);
- __ getlex(c,"flash.display::MovieClip");
- __ pushscope(c);
- __ getlex(c,"flash.display::MovieClip");
- __ newclass(c,cls);
- __ popscope(c);
- __ popscope(c);
- __ popscope(c);
- __ popscope(c);
- __ popscope(c);
- __ popscope(c);
- __ popscope(c);
- __ initproperty(c,"rfx::MainTimeline");
- __ returnvoid(c);
-
- //abc_method_body_addClassTrait(c, "rfx:MainTimeline", 1, cls);
- abc_initscript_addClassTrait(s, "rfx::MainTimeline", 1, cls);
-
- swf_WriteABC(abctag, file);
+ abc_file_t*file= (abc_file_t*)code;
+ abc_file_free(file);
}