char inner;
char uses_parent_function;
+ int uses_slots;
+ dict_t*slots;
+
abc_method_t*abc;
int var_index; // for inner methods
+ char is_a_slot; // for inner methods
code_t*header;
abc_exception_list_t*exceptions;
multiname_t m;\
namespace_t m##_ns;\
if(f) { \
- m##_ns.access = (f)->access; \
+ m##_ns.access = ((slotinfo_t*)(f))->access; \
m##_ns.name = ""; \
m.type = QNAME; \
m.ns = &m##_ns; \
m.namespace_set = 0; \
- m.name = f->name; \
+ m.name = ((slotinfo_t*)(f))->name; \
} else { \
m.type = MULTINAME; \
m.ns =0; \
state->has_own_imports = 0;
state->vars = dict_new();
state->old = oldstate;
+ state->new_vars = 0;
}
static void state_has_imports()
{
int index;
classinfo_t*type;
char init;
- methodstate_t*method;
+ methodstate_t*is_inner_method;
} variable_t;
static variable_t* find_variable(state_t*s, char*name)
{
while(s) {
variable_t*v = 0;
- if(s->method)
- v = dict_lookup(s->vars, name);
- if(v) {
- return v;
- }
- if(s->new_vars)
- break;
+ v = dict_lookup(s->vars, name);
+ if(v) return v;
+ if(s->new_vars) break;
s = s->old;
}
return 0;
-}
+}
+static variable_t* find_slot(state_t*s, const char*name)
+{
+ if(s->method && s->method->slots)
+ return dict_lookup(s->method->slots, name);
+ return 0;
+}
+
static variable_t* find_variable_safe(state_t*s, char*name)
{
variable_t* v = find_variable(s, name);
return dict_contains(state->vars, name);
}
code_t*defaultvalue(code_t*c, classinfo_t*type);
-static int new_variable(const char*name, classinfo_t*type, char init)
+
+static variable_t* new_variable2(const char*name, classinfo_t*type, char init, char maybeslot)
{
+ if(maybeslot) {
+ variable_t*v = find_slot(state, name);
+ if(v)
+ return v;
+ }
+
NEW(variable_t, v);
- v->index = state->method->variable_count;
+ v->index = state->method->variable_count++;
v->type = type;
v->init = init;
- v->method = state->method;
dict_put(state->vars, name, v);
- return state->method->variable_count++;
+ return v;
}
+static int new_variable(const char*name, classinfo_t*type, char init, char maybeslot)
+{
+ return new_variable2(name, type, init, maybeslot)->index;
+}
+
#define TEMPVARNAME "__as3_temp__"
static int gettempvar()
{
variable_t*v = find_variable(state, TEMPVARNAME);
if(v)
return v->index;
- return new_variable(TEMPVARNAME, 0, 0);
+ return new_variable(TEMPVARNAME, 0, 0, 0);
}
code_t* var_block(code_t*body)
static code_t* method_header(methodstate_t*m)
{
code_t*c = 0;
- if(m->late_binding && !m->inner) {
+ if(m->uses_slots || (m->late_binding && !m->inner)) {
c = abc_getlocal_0(c);
c = abc_pushscope(c);
}
- /*if(m->innerfunctions) {
+ if(m->uses_slots) {
c = abc_newactivation(c);
c = abc_pushscope(c);
- }*/
+ }
methodstate_list_t*l = m->innerfunctions;
while(l) {
parserassert(l->methodstate->abc);
- c = abc_newfunction(c, l->methodstate->abc);
- c = abc_setlocal(c, l->methodstate->var_index);
+ if(m->uses_slots && l->methodstate->is_a_slot) {
+ c = abc_getscopeobject(c, 1);
+ c = abc_newfunction(c, l->methodstate->abc);
+ c = abc_dup(c);
+ c = abc_setlocal(c, l->methodstate->var_index);
+ c = abc_setslot(c, l->methodstate->var_index);
+ } else {
+ c = abc_newfunction(c, l->methodstate->abc);
+ c = abc_setlocal(c, l->methodstate->var_index);
+ }
free(l->methodstate);l->methodstate=0;
l = l->next;
}
if(var0) {
int index = -1;
if(m->inner)
- index = new_variable("this", 0, 0);
+ index = new_variable("this", 0, 0, 0);
else if(!m->is_global)
- index = new_variable((flags&FLAG_STATIC)?"class":"this", state->cls?state->cls->info:0, 0);
+ index = new_variable((flags&FLAG_STATIC)?"class":"this", state->cls?state->cls->info:0, 0, 0);
else
- index = new_variable("globalscope", 0, 0);
+ index = new_variable("globalscope", 0, 0, 0);
if(index)
*(int*)0=0;
parserassert(!index);
}
+ if(m->uses_slots) {
+ /* as variables and slots share the same number, make sure
+ that those variable indices are reserved */
+ m->variable_count = m->uses_slots;
+ }
if(params) {
param_list_t*p=0;
for(p=params->list;p;p=p->next) {
- new_variable(p->param->name, p->param->type, 0);
+ new_variable(p->param->name, p->param->type, 0, 1);
}
}
methodstate_list_t*l = m->innerfunctions;
while(l) {
methodstate_t*m = l->methodstate;
- m->var_index = new_variable(m->info->name, TYPE_FUNCTION(m->info), 0);
+ variable_t* v = new_variable2(m->info->name, TYPE_FUNCTION(m->info), 0, 1);
+ m->var_index = v->index;
+ v->is_inner_method = m;
l = l->next;
}
}
syntaxerror("not able to start another method scope");
}
new_state();
+ state->new_vars = 1;
if(as3_pass == 1) {
state->method = rfx_calloc(sizeof(methodstate_t));
function_initvars(state->method, 0, 0, 0);
methodstate_list_t*ml = state->method->innerfunctions;
+ dict_t*xvars = dict_new();
while(ml) {
methodstate_t*m = ml->methodstate;
parserassert(m->inner);
/* check parent method's variables */
if(find_variable(state, l->key)) {
m->uses_parent_function = 1;
- break;
+ state->method->uses_slots = 1;
+ dict_put(xvars, l->key, 0);
}
l = l->next;
}
}
ml = ml->next;
}
+ if(state->method->uses_slots) {
+ state->method->slots = dict_new();
+ int i = 1;
+ DICT_ITERATE_ITEMS(state->vars, char*, name, variable_t*, v) {
+ if(v->index && dict_contains(xvars, name)) {
+ v->init = 0;
+ v->index = i++;
+ if(v->is_inner_method) {
+ v->is_inner_method->is_a_slot = 1;
+ }
+ //v->type = 0;
+ dict_put(state->method->slots, name, v);
+ }
+ }
+ state->method->uses_slots = i;
+ dict_destroy(state->vars);state->vars = 0;
+ }
+ dict_destroy(xvars);
+
old_state();
return 0;
}
if(as3_pass==2) {
- if(state->method->uses_parent_function){
+ /*if(state->method->uses_parent_function){
syntaxerror("accessing variables of parent function from inner functions not supported yet");
- }
+ }*/
abc_method_t*f = 0;
syntaxerror("non-optional parameter not allowed after optional parameters");
}
}
+ if(state->method->slots) {
+ DICT_ITERATE_ITEMS(state->method->slots, char*, name, variable_t*, v) {
+ if(v->index) {
+ multiname_t*mname = multiname_new(namespace_new(ACCESS_PACKAGE, ""), name);
+ multiname_t*type = sig2mname(v->type);
+ trait_t*t = trait_new_member(&f->body->traits, type, mname, 0);
+ t->slot_id = v->index;
+ }
+ }
+ }
+
check_code_for_break(body);
if(f->body) {
if(variable_exists($1))
syntaxerror("Variable %s already defined", $1);
PASS1
- new_variable($1, $2, 1);
+ new_variable($1, 0, 1, 0);
PASS2
if(!is_subtype_of($3.t, $2)) {
syntaxerror("Can't convert %s to %s", $3.t->name,
$2->name);
}
- int index = new_variable($1, $2, 1);
+
+ char slot = 0;
+ int index = 0;
+ if(state->method->uses_slots) {
+ variable_t* v = find_slot(state, $1);
+ if(v && !v->init) {
+ // this variable is stored in a slot
+ v->init = 1;
+ v->type = $2;
+ slot = 1;
+ index = v->index;
+ }
+ }
+ if(!index) {
+ index = new_variable($1, $2, 1, 0);
+ }
+
+ $$ = slot?abc_getscopeobject(0, 1):0;
if($2) {
if($3.c->prev || $3.c->opcode != OPCODE_PUSHUNDEFINED) {
- $$ = $3.c;
+ $$ = code_append($$, $3.c);
$$ = converttype($$, $3.t, $2);
- $$ = abc_setlocal($$, index);
} else {
code_free($3.c);
- $$ = defaultvalue(0, $2);
- $$ = abc_setlocal($$, index);
+ $$ = defaultvalue($$, $2);
}
} else {
if($3.c->prev || $3.c->opcode != OPCODE_PUSHUNDEFINED) {
- $$ = $3.c;
+ $$ = code_append($$, $3.c);
$$ = abc_coerce_a($$);
- $$ = abc_setlocal($$, index);
} else {
+ // don't do anything
code_free($3.c);
- $$ = code_new();
+ code_free($$);
+ $$ = 0;
+ break;
}
}
-
- /* that's the default for a local register, anyway
- else {
- state->method->initcode = abc_pushundefined(state->method->initcode);
- state->method->initcode = abc_setlocal(state->method->initcode, index);
- }*/
- //printf("variable %s -> %d (%s)\n", $2->text, index, $4.t?$4.t->name:"");
+ if(slot) {
+ $$ = abc_setslot($$, index);
+ } else {
+ $$ = abc_setlocal($$, index);
+ }
}
/* ------------ control flow ------------------------- */
// (I don't see any easy way to revolve this conflict otherwise, as we
// can't touch VAR_READ without upsetting the precedence about "return")
FOR_IN_INIT : "var" T_IDENTIFIER MAYBETYPE {
- PASS12
- $$=$2;new_variable($2,$3,1);
+ PASS1 $$=$2;new_variable($2,0,1,0);
+ PASS2 $$=$2;new_variable($2,$3,1,0);
}
FOR_IN_INIT : T_IDENTIFIER {
PASS12
FOR_IN : FOR_START FOR_IN_INIT "in" EXPRESSION ')' CODEBLOCK {
variable_t*var = find_variable(state, $2);
char*tmp1name = concat2($2, "__tmp1__");
- int it = new_variable(tmp1name, TYPE_INT, 0);
+ int it = new_variable(tmp1name, TYPE_INT, 0, 0);
char*tmp2name = concat2($2, "__array__");
- int array = new_variable(tmp1name, 0, 0);
+ int array = new_variable(tmp1name, 0, 0, 0);
$$ = code_new();
$$ = code_append($$, $4.c);
/* ------------ try / catch /finally ---------------- */
-CATCH: "catch" '(' T_IDENTIFIER MAYBETYPE ')' {PASS12 new_state();state->exception_name=$3;new_variable($3, $4, 0);}
+CATCH: "catch" '(' T_IDENTIFIER MAYBETYPE ')' {PASS12 new_state();
+ state->exception_name=$3;
+ PASS1 new_variable($3, 0, 0, 0);
+ PASS2 new_variable($3, $4, 0, 0);
+ }
'{' MAYBECODE '}' {
namespace_t name_ns = {ACCESS_PACKAGE, ""};
multiname_t name = {QNAME, &name_ns, 0, $3};
int tmp;
if($6.finally)
- tmp = new_variable("__finally__", 0, 0);
+ tmp = new_variable("__finally__", 0, 0, 0);
abc_exception_list_t*l = $6.l;
int count=0;
PASS2
$$->value = $2;
}
-GETSET : "get" {$$=$1;}
- | "set" {$$=$1;}
- | {$$=0;}
+GETSET : "get"
+ | "set"
+ | {PASS12 $$=0;}
FUNCTION_DECLARATION: MAYBE_MODIFIERS "function" GETSET T_IDENTIFIER '(' MAYBE_PARAM_LIST ')'
MAYBETYPE '{' {PASS12 startfunction(0,$1,$3,$4,&$6,$8);} MAYBECODE '}'
multiname_destroy(name);
} else if($$.c->opcode == OPCODE_GETSLOT) {
int slot = (int)(ptroff_t)$$.c->data[0];
- trait_t*t = abc_class_find_slotid(state->cls->abc,slot);//FIXME
+ trait_t*t = traits_find_slotid(state->cls->abc->traits,slot);//FIXME
multiname_t*name = t->name;
$$.c = code_cutlast($$.c);
$$.c = code_append($$.c, paramcode);
$$.c = code_append($$.c, paramcode);
$$.c = abc_callproperty2($$.c, name, $3.len);
multiname_destroy(name);
- } else if($$.c->opcode == OPCODE_GETSLOT) {
+ } else if($$.c->opcode == OPCODE_GETSLOT && $$.c->prev->opcode != OPCODE_GETSCOPEOBJECT) {
int slot = (int)(ptroff_t)$$.c->data[0];
- trait_t*t = abc_class_find_slotid(state->cls->abc,slot);//FIXME
+ trait_t*t = traits_find_slotid(state->cls->abc->traits,slot);
if(t->kind!=TRAIT_METHOD) {
//ok: flash allows to assign closures to members.
}
$$.c->opcode = OPCODE_DELETEPROPERTY;
} else if($$.c->opcode == OPCODE_GETSLOT) {
int slot = (int)(ptroff_t)$$.c->data[0];
- multiname_t*name = abc_class_find_slotid(state->cls->abc,slot)->name;
+ multiname_t*name = traits_find_slotid(state->cls->abc->traits,slot)->name;
$$.c = code_cutlast($$.c);
$$.c = abc_deleteproperty2($$.c, name);
} else {
$$.t = v->type;
break;
}
+ if((v = find_slot(state, $1))) {
+ $$.c = abc_getscopeobject($$.c, 1);
+ $$.c = abc_getslot($$.c, v->index);
+ $$.t = v->type;
+ break;
+ }
int i_am_static = (state->method && state->method->info)?(state->method->info->flags&FLAG_STATIC):FLAG_STATIC;
git.asbjorn.biz / swftools.git / blobdiff