methodstate_list_t*innerfunctions;
};
+void methodstate_destroy(methodstate_t*m)
+{
+ dict_destroy(m->unresolved_variables);
+ m->unresolved_variables = 0;
+ list_free(m->innerfunctions);m->innerfunctions=0;
+}
+
typedef struct _state {
struct _state*old;
int level;
state = state->old;
if(as3_pass>1 && leaving->method && leaving->method != state->method && !leaving->method->inner) {
- free(leaving->method);
- leaving->method=0;
+ methodstate_destroy(leaving->method);leaving->method=0;
}
if(as3_pass>1 && leaving->cls && leaving->cls != state->cls) {
free(leaving->cls);
return 0;
}
}
-static variable_t* find_slot(state_t*s, const char*name)
+static variable_t* find_slot(methodstate_t*m, const char*name)
{
- if(s->method && s->method->slots)
- return dict_lookup(s->method->slots, name);
+ if(m && m->slots)
+ return dict_lookup(m->slots, name);
return 0;
}
return state->method->variable_count++;
}
-static variable_t* new_variable2(const char*name, classinfo_t*type, char init, char maybeslot)
+static variable_t* new_variable2(methodstate_t*method, const char*name, classinfo_t*type, char init, char maybeslot)
{
if(maybeslot) {
- variable_t*v = find_slot(state, name);
+ variable_t*v = find_slot(method, name);
if(v) {
alloc_local();
return v;
v->init = v->kill = init;
if(name) {
- if(!state->method->no_variable_scoping)
+ if(!method->no_variable_scoping)
{
- if(dict_contains(state->vars, name))
+ if(dict_contains(state->vars, name)) {
+ *(int*)0=0;
syntaxerror("variable %s already defined", name);
+ }
dict_put(state->vars, name, v);
}
- if(state->method->no_variable_scoping &&
+ if(method->no_variable_scoping &&
as3_pass==2 &&
dict_contains(state->allvars, name))
{
return v;
}
-static int new_variable(const char*name, classinfo_t*type, char init, char maybeslot)
+static int new_variable(methodstate_t*method, const char*name, classinfo_t*type, char init, char maybeslot)
{
- return new_variable2(name, type, init, maybeslot)->index;
+ return new_variable2(method, name, type, init, maybeslot)->index;
}
#define TEMPVARNAME "__as3_temp__"
if(v)
i = v->index;
else
- i = new_variable(TEMPVARNAME, 0, 0, 0);
+ i = new_variable(state->method, TEMPVARNAME, 0, 0, 0);
parserassert(i);
return i;
}
static code_t* add_scope_code(code_t*c, methodstate_t*m, char init)
{
- if(m->uses_slots || (m->late_binding && !m->inner)) { //???? especially inner functions need the pushscope
+ if(m->uses_slots || m->innerfunctions || (m->late_binding && !m->inner)) {
c = abc_getlocal_0(c);
c = abc_pushscope(c);
}
while(l) {
methodstate_t*m = l->methodstate;
- variable_t* v = new_variable2(m->info->name, TYPE_FUNCTION(m->info), 0, 0);
+ variable_t* v = new_variable2(state->method, m->info->name, TYPE_FUNCTION(m->info), 0, 0);
m->var_index = v->index;
if(m->is_a_slot)
m->slot_index = m->is_a_slot;
if(var0) {
int index = -1;
if(m->inner)
- index = new_variable("this", 0, 0, 0);
+ index = new_variable(m, "this", 0, 0, 0);
else if(!m->is_global)
- index = new_variable((flags&FLAG_STATIC)?"class":"this", state->cls?state->cls->info:0, 0, 0);
+ index = new_variable(m, (flags&FLAG_STATIC)?"class":"this", state->cls?state->cls->info:0, 0, 0);
else
- index = new_variable("globalscope", 0, 0, 0);
+ index = new_variable(m, "globalscope", 0, 0, 0);
+ if(index) {
+ DICT_ITERATE_ITEMS(state->vars, char*, name, variable_t*, v) {
+ printf("%s %d\n", name, v->index);
+ }
+ }
parserassert(!index);
}
if(has_params) {
param_list_t*p=0;
for(p=params->list;p;p=p->next) {
- variable_t*v = new_variable2(p->param->name, p->param->type, 0, 1);
+ variable_t*v = new_variable2(m, p->param->name, p->param->type, 0, 1);
v->is_parameter = 1;
}
if(as3_pass==2 && m->need_arguments) {
/* arguments can never be used by an innerfunction (the inner functions
have their own arguments var), so it's ok to not initialize this until
pass 2. (We don't know whether we need it before, anyway) */
- variable_t*v = new_variable2("arguments", TYPE_ARRAY, 0, 0);
+ variable_t*v = new_variable2(m, "arguments", TYPE_ARRAY, 0, 0);
m->need_arguments = v->index;
}
}
state->cls->init = rfx_calloc(sizeof(methodstate_t));
state->cls->static_init = rfx_calloc(sizeof(methodstate_t));
state->cls->static_init->is_static=FLAG_STATIC;
- state->cls->static_init->variable_count=1;
/* notice: we make no effort to initialize the top variable (local0) here,
even though it has special meaning. We just rely on the fact
that pass 1 won't do anything with variables */
if(as3_pass == 2) {
state->cls = dict_lookup(global->token2info, (void*)(ptroff_t)as3_tokencount);
- state->method = state->cls->init;
parserassert(state->cls && state->cls->info);
+ state->method = state->cls->static_init;
+
function_initvars(state->cls->init, 0, 0, 0, 1);
+ state->cls->static_init->variable_count=1;
function_initvars(state->cls->static_init, 0, 0, 0, 0);
if(extends && (extends->flags & FLAG_FINAL))
//parserassert(state->method && state->method->info);
methodstate_t*parent_method = state->method;
+ variable_t*v = 0;
if(as3_pass==1) {
return_type = 0; // not valid in pass 1
+ if(name) {
+ v = new_variable2(parent_method, name, 0, 0, 0);
+ }
}
new_state();
state->method->is_static = parent_method->is_static;
state->method->variable_count = 0;
state->method->abc = rfx_calloc(sizeof(abc_method_t));
+ if(v) {
+ v->is_inner_method = state->method;
+ }
NEW(methodinfo_t,minfo);
minfo->kind = INFOTYPE_METHOD;
}
}
+static void insert_unresolved(methodstate_t*m, dict_t*xvars, dict_t*allvars)
+{
+ parserassert(m->inner);
+ if(m->unresolved_variables) {
+ dict_t*d = m->unresolved_variables;
+ int t;
+ DICT_ITERATE_KEY(d, char*, id) {
+ /* check parent method's variables */
+ variable_t*v;
+ if(dict_contains(allvars, id)) {
+ m->uses_parent_function = 1;
+ state->method->uses_slots = 1;
+ dict_put(xvars, id, 0);
+ }
+ }
+ }
+ methodstate_list_t*ml = m->innerfunctions;
+ while(ml) {
+ insert_unresolved(ml->methodstate, xvars, allvars);
+ ml = ml->next;
+ }
+}
+
static abc_method_t* endfunction(modifiers_t*mod, enum yytokentype getset, char*name,
params_t*params, classinfo_t*return_type, code_t*body)
{
if(as3_pass==1) {
- innerfunctions2vars(state->method);
-
- methodstate_list_t*ml = state->method->innerfunctions;
-
dict_t*xvars = dict_new();
if(state->method->unresolved_variables) {
DICT_ITERATE_KEY(state->method->unresolved_variables, char*, vname) {
- if(dict_contains(state->allvars, vname)) {
- state->method->no_variable_scoping = 1;
- as3_warning("function %s uses forward or outer block variable references (%s): switching into compatiblity mode", name, vname);
- break;
+ if(!state->method->no_variable_scoping && dict_contains(state->allvars, vname)) {
+ variable_t*v = dict_lookup(state->allvars, vname);
+ if(!v->is_inner_method) {
+ state->method->no_variable_scoping = 1;
+ as3_warning("function %s uses forward or outer block variable references (%s): switching into compatiblity mode", name, vname);
+ }
}
}
}
+ methodstate_list_t*ml = state->method->innerfunctions;
while(ml) {
- methodstate_t*m = ml->methodstate;
- parserassert(m->inner);
- if(m->unresolved_variables) {
- dict_t*d = m->unresolved_variables;
- int t;
- DICT_ITERATE_KEY(d, char*, id) {
- /* check parent method's variables */
- variable_t*v;
- if((v=find_variable(state, id))) {
- m->uses_parent_function = 1;
- state->method->uses_slots = 1;
- dict_put(xvars, id, 0);
- }
- }
- dict_destroy(m->unresolved_variables);
- m->unresolved_variables = 0;
- }
+ insert_unresolved(ml->methodstate, xvars, state->allvars);
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) {
+ DICT_ITERATE_ITEMS(state->allvars, char*, name, variable_t*, v) {
if(!name) syntaxerror("internal error");
if(v->index && dict_contains(xvars, name)) {
v->init = v->kill = 0;
ONE_VARIABLE: T_IDENTIFIER MAYBETYPE MAYBEEXPRESSION
{
PASS12
- if(variable_exists($1))
+ if(variable_exists($1))
syntaxerror("Variable %s already defined", $1);
PASS1
- new_variable($1, 0, 1, 0);
+ new_variable(state->method, $1, 0, 1, 0);
PASS2
char slot = 0;
int index = 0;
variable_t*v = 0;
if(state->method->uses_slots) {
- v = find_slot(state, $1);
+ v = find_slot(state->method, $1);
if(v && !v->init) {
// this variable is stored in a slot
v->init = 1;
}
}
if(!v) {
- v = new_variable2($1, $2, 1, 0);
+ v = new_variable2(state->method, $1, $2, 1, 0);
}
$$ = slot?abc_getscopeobject(0, 1):0;
// (I don't see any easy way to revolve this conflict otherwise, as we
// can't touch VAR_READ without upsetting the precedence about "return")
FOR_IN_INIT : "var" T_IDENTIFIER MAYBETYPE {
- PASS1 $$=$2;new_variable($2,0,1,0);
- PASS2 $$=$2;new_variable($2,$3,1,0);
+ PASS1 $$=$2;new_variable(state->method, $2,0,1,0);
+ PASS2 $$=$2;new_variable(state->method, $2,$3,1,0);
}
FOR_IN_INIT : T_IDENTIFIER {
PASS12
$$ = abc_kill($$, it);
$$ = abc_kill($$, array);
+ $$ = var_block($$, state->vars);
PASS12 old_state();
}
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);
+ PASS1 new_variable(state->method, $3, 0, 0, 0);
+ PASS2 new_variable(state->method, $3, $4, 0, 0);
}
'{' MAYBECODE '}' {
namespace_t name_ns = {ACCESS_PACKAGE, ""};
o.t = v->type;
return mkcodenode(o);
}
- if((v = find_slot(state, name))) {
+ if((v = find_slot(state->method, name))) {
o.c = abc_getscopeobject(o.c, 1);
o.c = abc_getslot(o.c, v->index);
o.t = v->type;
git.asbjorn.biz / swftools.git / blobdiff