/* TODO: switch to a datastructure with just values */
#define NO_KEY ""
-static char* params_to_string(multiname_list_t*list)
+static char* params_tostring(multiname_list_t*list)
{
multiname_list_t*l;
int n = list_length(list);
n = 0;
int size = 0;
while(l) {
- names[n] = multiname_to_string(l->multiname);
+ names[n] = multiname_tostring(l->multiname);
size += strlen(names[n]) + 2;
n++;l=l->next;
}
f->classes = array_new();
f->scripts = array_new();
f->method_bodies = array_new();
+ f->flags = ABCFILE_LAZY;
return f;
}
list_append(c->interfaces, interface);
}
-abc_method_body_t* add_method(abc_file_t*file, abc_class_t*cls, char*returntype, int num_params, va_list va)
+abc_method_body_t* add_method(abc_file_t*file, abc_class_t*cls, multiname_t*returntype, int num_params, va_list va)
{
/* construct code (method body) object */
NEW(abc_method_body_t,c);
NEW(abc_method_t,m);
array_append(file->methods, NO_KEY, m);
- if(returntype && strcmp(returntype, "void")) {
- m->return_type = multiname_fromstring(returntype);
- } else {
- m->return_type = 0;
- }
+ m->return_type = returntype;
+
int t;
for(t=0;t<num_params;t++) {
const char*param = va_arg(va, const char*);
return c;
}
-abc_method_body_t* abc_class_constructor(abc_class_t*cls, char*returntype, int num_params, ...)
+abc_method_body_t* abc_class_constructor(abc_class_t*cls, multiname_t*returntype, int num_params, ...)
{
va_list va;
va_start(va, num_params);
return c;
}
-abc_method_body_t* abc_class_staticconstructor(abc_class_t*cls, char*returntype, int num_params, ...)
+abc_method_body_t* abc_class_staticconstructor(abc_class_t*cls, multiname_t*returntype, int num_params, ...)
{
va_list va;
va_start(va, num_params);
return trait;
}
-abc_method_body_t* abc_class_method(abc_class_t*cls, char*returntype, char*name, int num_params, ...)
+abc_method_body_t* abc_class_method(abc_class_t*cls, multiname_t*returntype, char*name, int num_params, ...)
{
abc_file_t*file = cls->file;
va_list va;
return slotid;
}
-abc_script_t* abc_initscript(abc_file_t*file, char*returntype, int num_params, ...)
+abc_script_t* abc_initscript(abc_file_t*file, multiname_t*returntype, int num_params, ...)
{
va_list va;
va_start(va, num_params);
{
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);
+ char*paramstr = params_tostring(m->parameters);
fprintf(fo, "%s%s %s %s=%s %s (%d params)\n", prefix, type, return_type, name, m->name, paramstr, list_length(m->parameters));
free(paramstr);paramstr=0;
free(return_type);return_type=0;
return;
}
- fprintf(fo, "%s[stack:%d locals:%d scope:%d-%d flags:%02x]\n", prefix, c->max_stack, c->local_count, c->init_scope_depth, c->max_scope_depth, c->method->flags);
+ 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, "]\n");
+
char prefix2[80];
sprintf(prefix2, "%s ", prefix);
}
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)
{
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;
int vkind = swf_GetU8(tag);
trait->value = constant_fromindex(pool, vindex, vkind);
}
- DEBUG printf(" slot %s %d %s (%s)\n", name, trait->slot_id, trait->type_name->name, constant_to_string(trait->value));
+ 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);
}
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;
if(kind == TRAIT_METHOD) {
}
} 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);
- char*value = constant_to_string(trait->value);
+ 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 ":"", type_name, name,
value?"=":"", value);
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;
if(cls->static_constructor)
dump_method(fo, prefix2,"staticconstructor", "", cls->static_constructor, file);
- traits_dump(fo, prefix2, cls->static_constructor_traits, file);
+ traits_dump(fo, prefix2, cls->static_traits, file);
- 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);
free(n);
traits_dump(fo, prefix2,cls->traits, file);
fprintf(fo, "%s}\n", prefix);
+
}
fprintf(fo, "%s\n", prefix);
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 flags=%02x\n", t, params_tostring(m->parameters), m->flags);
if(m->flags&0x08) {
/* TODO optional parameters */
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;
int s;
c->exceptions = list_new();
for(s=0;s<exception_count;s++) {
- exception_t*e = malloc(sizeof(exception_t));
+ 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));
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++) {
s->method = m;
s->traits = traits_parse(tag, pool, file);
array_append(file->scripts, NO_KEY, s);
- if(!s->traits) {
- fprintf(stderr, "Can't parse script traits\n");
- return 0;
- }
}
pool_destroy(pool);
TAG*tag = tmp;
int t;
- char need_null_method=0;
for(t=0;t<file->classes->num;t++) {
abc_class_t*c = (abc_class_t*)array_getvalue(file->classes, t);
- if(!c->constructor || !c->static_constructor) {
- need_null_method=1;
- break;
+ if(!c->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->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;
}
}
- abc_method_t*nullmethod = 0;
- if(need_null_method) {
- nullmethod = malloc(sizeof(abc_method_t));
- memset(nullmethod, 0, sizeof(abc_method_t));
- /*TODO: might be more efficient to have this at the beginning */
- array_append(file->methods, NO_KEY, nullmethod);
- }
-
+
swf_SetU30(tag, file->methods->num);
/* enumerate classes, methods and method bodies */
for(t=0;t<file->methods->num;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->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->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;
interface = interface->next;
}
- if(!c->constructor) {
- swf_SetU30(tag, nullmethod->index);
- } else {
- swf_SetU30(tag, c->constructor->index);
- }
+ 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) {
- swf_SetU30(tag, nullmethod->index);
- } else {
- swf_SetU30(tag, c->static_constructor->index);
- }
- traits_write(pool, tag, c->static_constructor_traits);
+ assert(c->static_constructor);
+ swf_SetU30(tag, c->static_constructor->index);
+
+ traits_write(pool, tag, c->static_traits);
}
swf_SetU30(tag, file->scripts->num);
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->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);
if(list_length(c->method->parameters)+1 <= c->stats->local_count)
code_write(tag, c->code, pool, file);
swf_SetU30(tag, list_length(c->exceptions));
- exception_list_t*l = 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->exception->from->pos);
- swf_SetU30(tag, l->exception->to->pos);
- swf_SetU30(tag, l->exception->target->pos);
- swf_SetU30(tag, pool_register_multiname(pool, l->exception->exc_type));
- swf_SetU30(tag, pool_register_multiname(pool, l->exception->var_name));
+ 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;
}
tag = abctag;
if(tag->id == ST_DOABC) {
- swf_SetU32(tag, 1); // flags
+ swf_SetU32(tag, file->flags); // flags
swf_SetString(tag, file->name);
}
void abc_file_free(abc_file_t*file)
{
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);
}
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;
- exception_list_t*ee = body->exceptions;
+ abc_exception_list_t*ee = body->exceptions;
while(ee) {
- exception_t*e=ee->exception;ee->exception=0;
+ 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(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;
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;
+ c->old.max_stack = 1;
+ c->old.local_count = 1;
+ c->old.init_scope_depth = 9;
+ c->old.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;
+ c->old.max_stack = 3;
+ c->old.local_count = 1;
+ c->old.init_scope_depth = 10;
+ c->old.max_scope_depth = 11;
debugfile(c, "constructor.as");
__ 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;
+ f->old.max_stack = 3;
+ f->old.local_count = 1;
+ f->old.init_scope_depth = 10;
+ f->old.max_scope_depth = 11;
__ debugfile(f, "framescript.as");
__ debugline(f, 1);
__ getlocal_0(f);
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_class_method(cls, 0, functionname, 1, "flash.events::MouseEvent");
+ h->old.max_stack = 6;
+ h->old.local_count = 2;
+ h->old.init_scope_depth = 10;
+ h->old.max_scope_depth = 11;
__ getlocal_0(h);
__ pushscope(h);
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;
+ c->old.max_stack = 2;
+ c->old.local_count = 1;
+ c->old.init_scope_depth = 1;
+ c->old.max_scope_depth = 9;
__ getlocal_0(c);
__ pushscope(c);