regexp_t regexp;
modifiers_t flags;
namespace_decl_t* namespace_decl;
+ node_t*node;
struct {
abc_exception_list_t *l;
code_t*finally;
%token<token> T_DIVBY "/="
%token<token> T_MODBY "%="
%token<token> T_MULBY "*="
+%token<token> T_ANDBY "&="
%token<token> T_PLUSBY "+="
%token<token> T_MINUSBY "-="
%token<token> T_XORBY "^="
%type <code> VOIDEXPRESSION
%type <value> EXPRESSION NONCOMMAEXPRESSION
%type <value> MAYBEEXPRESSION
-%type <value> E DELETE
+%type <value> DELETE
+%type <node> E
%type <code> FOR FOR_IN IF WHILE DO_WHILE MAYBEELSE BREAK RETURN CONTINUE TRY
%type <value> INNERFUNCTION
%type <code> USE_NAMESPACE
%type <classinfo> TYPE
//%type <token> VARIABLE
-%type <value> VAR_READ
+%type <value> VAR_READ MEMBER
%type <value> NEW
//%type <token> T_IDENTIFIER
%type <value> FUNCTIONCALL
static namespace_set_t nopackage_namespace_set = {&nl1};
static dict_t*definitions=0;
-void as3_set_definition(const char*c)
+void as3_set_define(const char*c)
{
if(!definitions)
definitions = dict_new();
state->method->late_binding = 1; // init scripts use getglobalscope, so we need a getlocal0/pushscope
} else {
state->method = dict_lookup(global->token2info, (void*)(ptroff_t)as3_tokencount);
+ if(!state->method)
+ syntaxerror("internal error: skewed tokencount");
function_initvars(state->method, 0, 0, 1);
global->init = abc_initscript(global->file);
}
if(!state || state->level!=1) {
syntaxerror("unexpected end of file in pass %d", as3_pass);
}
-
+
if(as3_pass==2) {
+ dict_del(global->file2token2info, current_filename);
+
code_t*header = method_header(state->method);
code_t*c = wrap_function(header, 0, global->init->method->body->code);
global->init->method->body->code = c;
}
#define TEMPVARNAME "__as3_temp__"
-static int gettempvar()
+int gettempvar()
{
variable_t*v = find_variable(state, TEMPVARNAME);
if(v)
}
}
-/* TODO: move this to ast.c */
-#define IS_INT(a) (TYPE_IS_INT((a)) || TYPE_IS_UINT((a)))
#define IS_NUMBER_OR_INT(a) (TYPE_IS_INT((a)) || TYPE_IS_UINT((a)) || TYPE_IS_NUMBER((a)))
-#define BOTH_INT(a,b) (IS_INT(a) && IS_INT(b))
-static classinfo_t*join_types(classinfo_t*type1, classinfo_t*type2, char op)
-{
- if(!type1 || !type2)
- return registry_getanytype();
- if(TYPE_IS_ANY(type1) || TYPE_IS_ANY(type2))
- return registry_getanytype();
-
- if(op=='+') {
- if(IS_NUMBER_OR_INT(type1) && IS_NUMBER_OR_INT(type2)) {
- return TYPE_NUMBER;
- } else {
- return TYPE_ANY;
- }
- }
- if(type1 == type2)
- return type1;
- return registry_getanytype();
-}
-static char is_getlocal(code_t*c)
-{
- if(!c || c->prev || c->next)
- return 0;
- return(c->opcode == OPCODE_GETLOCAL
- || c->opcode == OPCODE_GETLOCAL_0
- || c->opcode == OPCODE_GETLOCAL_1
- || c->opcode == OPCODE_GETLOCAL_2
- || c->opcode == OPCODE_GETLOCAL_3);
-}
-static int getlocalnr(code_t*c)
-{
- if(c->opcode == OPCODE_GETLOCAL) {return (ptroff_t)c->data[0];}
- else if(c->opcode == OPCODE_GETLOCAL_0) {return 0;}
- else if(c->opcode == OPCODE_GETLOCAL_1) {return 1;}
- else if(c->opcode == OPCODE_GETLOCAL_2) {return 2;}
- else if(c->opcode == OPCODE_GETLOCAL_3) {return 3;}
- else syntaxerror("Internal error: opcode %02x is not a getlocal call", c->opcode);
- return 0;
-}
code_t*converttype(code_t*c, classinfo_t*from, classinfo_t*to)
{
if(from==to)
}
-code_t* toreadwrite(code_t*in, code_t*middlepart, char justassign, char readbefore, char pushvalue)
-{
- /* converts this:
-
- [prefix code] [read instruction]
-
- to this:
-
- [prefix code] ([dup]) [read instruction] [middlepart] [setvar] [write instruction] [getvar]
- */
- if(in && in->opcode == OPCODE_COERCE_A) {
- in = code_cutlast(in);
- }
- if(in->next)
- syntaxerror("internal error");
-
- /* chop off read instruction */
- code_t*prefix = in;
- code_t*r = in;
- if(r->prev) {
- prefix = r->prev;r->prev = 0;
- prefix->next=0;
- } else {
- prefix = 0;
- }
-
- char use_temp_var = readbefore;
-
- /* generate the write instruction, and maybe append a dup to the prefix code */
- code_t* write = abc_nop(0);
- if(r->opcode == OPCODE_GETPROPERTY) {
- write->opcode = OPCODE_SETPROPERTY;
- multiname_t*m = (multiname_t*)r->data[0];
- write->data[0] = multiname_clone(m);
- if(m->type == QNAME || m->type == MULTINAME) {
- if(!justassign) {
- prefix = abc_dup(prefix); // we need the object, too
- }
- use_temp_var = 1;
- } else if(m->type == MULTINAMEL) {
- if(!justassign) {
- /* dupping two values on the stack requires 5 operations and one register-
- couldn't adobe just have given us a dup2? */
- int temp = gettempvar();
- prefix = abc_setlocal(prefix, temp);
- prefix = abc_dup(prefix);
- prefix = abc_getlocal(prefix, temp);
- prefix = abc_swap(prefix);
- prefix = abc_getlocal(prefix, temp);
- if(!use_temp_var);
- prefix = abc_kill(prefix, temp);
- }
- use_temp_var = 1;
- } else {
- syntaxerror("illegal lvalue: can't assign a value to this expression (not a qname/multiname)");
- }
- } else if(r->opcode == OPCODE_GETSLOT) {
- write->opcode = OPCODE_SETSLOT;
- write->data[0] = r->data[0];
- if(!justassign) {
- prefix = abc_dup(prefix); // we need the object, too
- }
- use_temp_var = 1;
- } else if(r->opcode == OPCODE_GETLOCAL) {
- write->opcode = OPCODE_SETLOCAL;
- write->data[0] = r->data[0];
- } else if(r->opcode == OPCODE_GETLOCAL_0) {
- write->opcode = OPCODE_SETLOCAL_0;
- } else if(r->opcode == OPCODE_GETLOCAL_1) {
- write->opcode = OPCODE_SETLOCAL_1;
- } else if(r->opcode == OPCODE_GETLOCAL_2) {
- write->opcode = OPCODE_SETLOCAL_2;
- } else if(r->opcode == OPCODE_GETLOCAL_3) {
- write->opcode = OPCODE_SETLOCAL_3;
- } else if(r->opcode == OPCODE_GETSUPER) {
- write->opcode = OPCODE_SETSUPER;
- multiname_t*m = (multiname_t*)r->data[0];
- write->data[0] = multiname_clone(m);
- } else {
- code_dump(r);
- syntaxerror("illegal lvalue: can't assign a value to this expression");
- }
- code_t* c = 0;
-
- int temp = -1;
- if(!justassign) {
- if(use_temp_var) {
- /* with getproperty/getslot, we have to be extra careful not
- to execute the read code twice, as it might have side-effects
- (e.g. if the property is in fact a setter/getter combination)
-
- So read the value, modify it, and write it again,
- using prefix only once and making sure (by using a temporary
- register) that the return value is what we just wrote */
- temp = gettempvar();
- c = code_append(c, prefix);
- c = code_append(c, r);
- if(pushvalue && readbefore) {
- c = abc_dup(c);
- c = abc_setlocal(c, temp);
- }
- c = code_append(c, middlepart);
- if(pushvalue && !readbefore) {
- c = abc_dup(c);
- c = abc_setlocal(c, temp);
- }
- c = code_append(c, write);
- if(pushvalue) {
- c = abc_getlocal(c, temp);
- c = abc_kill(c, temp);
- }
- } else {
- /* if we're allowed to execute the read code twice *and*
- the middlepart doesn't modify the code, things are easier.
- */
- //c = code_append(c, prefix);
- parserassert(!prefix);
- code_t* r2 = 0;
- if(pushvalue) {
- r2 = code_dup(r);
- }
- c = code_append(c, r);
- c = code_append(c, middlepart);
- c = code_append(c, write);
- if(pushvalue) {
- c = code_append(c, r2);
- }
- }
- } else {
- /* even smaller version: overwrite the value without reading
- it out first */
- if(!use_temp_var) {
- if(prefix) {
- c = code_append(c, prefix);
- c = abc_dup(c);
- }
- c = code_append(c, middlepart);
- c = code_append(c, write);
- if(pushvalue) {
- c = code_append(c, r);
- }
- } else {
- code_free(r);r=0;
- temp = gettempvar();
- if(prefix) {
- c = code_append(c, prefix);
- }
- c = code_append(c, middlepart);
- if(pushvalue) {
- c = abc_dup(c);
- c = abc_setlocal(c, temp);
- }
- c = code_append(c, write);
- if(pushvalue) {
- c = abc_getlocal(c, temp);
- c = abc_kill(c, temp);
- }
- }
- }
- return c;
-}
-
char is_break_or_jump(code_t*c)
{
if(!c)
CASE: "case" E ':' MAYBECODE {
$$ = abc_getlocal(0, state->switch_var);
- $$ = code_append($$, $2.c);
+ $$ = code_append($$, node_read($2).c);
code_t*j = $$ = abc_ifne($$, 0);
$$ = code_append($$, $4);
if($$->opcode != OPCODE___BREAK__) {
$$ = $3;
}
SWITCH : T_SWITCH '(' {PASS12 new_state();state->switch_var=alloc_local();} E ')' '{' MAYBE_CASE_LIST '}' {
- $$=$4.c;
+ $$ = node_read($4).c;
$$ = abc_setlocal($$, state->switch_var);
$$ = code_append($$, $7);
XX : %prec new2
NEW : "new" E XX MAYBE_PARAM_VALUES {
- $$.c = $2.c;
+ typedcode_t v = node_read($2);
+ $$.c = v.c;
if($$.c->opcode == OPCODE_COERCE_A) $$.c = code_cutlast($$.c);
code_t*paramcode = $4.cc;
}
$$.t = TYPE_ANY;
- if(TYPE_IS_CLASS($2.t) && $2.t->data) {
- $$.t = $2.t->data;
+ if(TYPE_IS_CLASS(v.t) && v.t->data) {
+ $$.t = v.t->data;
} else {
$$.c = abc_coerce_a($$.c);
$$.t = TYPE_ANY;
call (for closures)
*/
FUNCTIONCALL : E '(' MAYBE_EXPRESSION_LIST ')' {
-
- $$.c = $1.c;
+
+ typedcode_t v = node_read($1);
+ $$.c = v.c;
if($$.c->opcode == OPCODE_COERCE_A) {
$$.c = code_cutlast($$.c);
}
$$.c = abc_call($$.c, $3.number);
}
- if(TYPE_IS_FUNCTION($1.t) && $1.t->data) {
- $$.t = ((methodinfo_t*)($1.t->data))->return_type;
+ if(TYPE_IS_FUNCTION(v.t) && v.t->data) {
+ $$.t = ((methodinfo_t*)(v.t->data))->return_type;
} else {
$$.c = abc_coerce_a($$.c);
$$.t = TYPE_ANY;
}
DELETE: "delete" E {
- $$.c = $2.c;
+ typedcode_t v = node_read($2);
+ $$.c = v.c;
if($$.c->opcode == OPCODE_COERCE_A) {
$$.c = code_cutlast($$.c);
}
$$.c = abc_deleteproperty2($$.c, name);
} else {
$$.c = abc_getlocal_0($$.c);
- MULTINAME_LATE(m, $2.t?$2.t->access:ACCESS_PACKAGE, "");
+ MULTINAME_LATE(m, v.t?v.t->access:ACCESS_PACKAGE, "");
$$.c = abc_deleteproperty2($$.c, &m);
}
$$.t = TYPE_BOOLEAN;
// ----------------------- expression types -------------------------------------
-NONCOMMAEXPRESSION : E %prec below_minus {$$=$1;}
-EXPRESSION : E %prec below_minus {$$ = $1;}
+NONCOMMAEXPRESSION : E %prec below_minus {$$ = node_read($1);}
+EXPRESSION : E %prec below_minus {$$ = node_read($1);}
EXPRESSION : EXPRESSION ',' E %prec below_minus {
$$.c = $1.c;
$$.c = cut_last_push($$.c);
- $$.c = code_append($$.c,$3.c);
- $$.t = $3.t;
-}
-VOIDEXPRESSION : EXPRESSION %prec below_minus {
- $$=cut_last_push($1.c);
-}
-
-// ----------------------- expression evaluation -------------------------------------
-
-E : INNERFUNCTION %prec prec_none {$$ = $1;}
-E : VAR_READ %prec T_IDENTIFIER {$$ = $1;}
-E : NEW {$$ = $1;}
-E : DELETE {$$ = $1;}
-
-E : FUNCTIONCALL
-
-E : CONSTANT {
- node_t*n = mkconstnode($1);
- $$ = node_read(n);
-}
-
-E : T_REGEXP {
- $$.c = 0;
- namespace_t ns = {ACCESS_PACKAGE, ""};
- multiname_t m = {QNAME, &ns, 0, "RegExp"};
- if(!$1.options) {
- $$.c = abc_getlex2($$.c, &m);
- $$.c = abc_pushstring($$.c, $1.pattern);
- $$.c = abc_construct($$.c, 1);
- } else {
- $$.c = abc_getlex2($$.c, &m);
- $$.c = abc_pushstring($$.c, $1.pattern);
- $$.c = abc_pushstring($$.c, $1.options);
- $$.c = abc_construct($$.c, 2);
- }
- $$.t = TYPE_REGEXP;
-}
-
-E : E '<' E {$$.c = code_append($1.c,$3.c);$$.c = abc_greaterequals($$.c);$$.c=abc_not($$.c);
- $$.t = TYPE_BOOLEAN;
- }
-E : E '>' E {$$.c = code_append($1.c,$3.c);$$.c = abc_greaterthan($$.c);
- $$.t = TYPE_BOOLEAN;
- }
-E : E "<=" E {$$.c = code_append($1.c,$3.c);$$.c = abc_greaterthan($$.c);$$.c=abc_not($$.c);
- $$.t = TYPE_BOOLEAN;
- }
-E : E ">=" E {$$.c = code_append($1.c,$3.c);$$.c = abc_greaterequals($$.c);
- $$.t = TYPE_BOOLEAN;
- }
-E : E "==" E {$$.c = code_append($1.c,$3.c);$$.c = abc_equals($$.c);
- $$.t = TYPE_BOOLEAN;
- }
-E : E "===" E {$$.c = code_append($1.c,$3.c);$$.c = abc_strictequals($$.c);
- $$.t = TYPE_BOOLEAN;
- }
-E : E "!==" E {$$.c = code_append($1.c,$3.c);$$.c = abc_strictequals($$.c);$$.c = abc_not($$.c);
- $$.t = TYPE_BOOLEAN;
- }
-E : E "!=" E {$$.c = code_append($1.c,$3.c);$$.c = abc_equals($$.c);$$.c = abc_not($$.c);
- $$.t = TYPE_BOOLEAN;
- }
-
-E : E "||" E {$$.t = join_types($1.t, $3.t, 'O');
- $$.c = $1.c;
- $$.c = converttype($$.c, $1.t, $$.t);
- $$.c = abc_dup($$.c);
- code_t*jmp = $$.c = abc_iftrue($$.c, 0);
- $$.c = cut_last_push($$.c);
- $$.c = code_append($$.c,$3.c);
- $$.c = converttype($$.c, $3.t, $$.t);
- code_t*label = $$.c = abc_label($$.c);
- jmp->branch = label;
- }
-E : E "&&" E {
- $$.t = join_types($1.t, $3.t, 'A');
- /*printf("%08x:\n",$1.t);
- code_dump($1.c, 0, 0, "", stdout);
- printf("%08x:\n",$3.t);
- code_dump($3.c, 0, 0, "", stdout);
- printf("joining %08x and %08x to %08x\n", $1.t, $3.t, $$.t);*/
- $$.c = $1.c;
- $$.c = converttype($$.c, $1.t, $$.t);
- $$.c = abc_dup($$.c);
- code_t*jmp = $$.c = abc_iffalse($$.c, 0);
- $$.c = cut_last_push($$.c);
- $$.c = code_append($$.c,$3.c);
- $$.c = converttype($$.c, $3.t, $$.t);
- code_t*label = $$.c = abc_label($$.c);
- jmp->branch = label;
- }
-
-E : '!' E {$$.c=$2.c;
- $$.c = abc_not($$.c);
- $$.t = TYPE_BOOLEAN;
- }
-
-E : '~' E {$$.c=$2.c;
- $$.c = abc_bitnot($$.c);
- $$.t = TYPE_INT;
- }
-
-E : E '&' E {$$.c = code_append($1.c,$3.c);
- $$.c = abc_bitand($$.c);
- $$.t = TYPE_INT;
- }
-
-E : E '^' E {$$.c = code_append($1.c,$3.c);
- $$.c = abc_bitxor($$.c);
- $$.t = TYPE_INT;
- }
-
-E : E '|' E {$$.c = code_append($1.c,$3.c);
- $$.c = abc_bitor($$.c);
- $$.t = TYPE_INT;
- }
-
-E : E ">>" E {$$.c = code_append($1.c,$3.c);
- $$.c = abc_rshift($$.c);
- $$.t = TYPE_INT;
- }
-E : E ">>>" E {$$.c = code_append($1.c,$3.c);
- $$.c = abc_urshift($$.c);
- $$.t = TYPE_INT;
- }
-E : E "<<" E {$$.c = code_append($1.c,$3.c);
- $$.c = abc_lshift($$.c);
- $$.t = TYPE_INT;
- }
-
-E : E '/' E {$$.c = code_append($1.c,$3.c);
- $$.c = abc_divide($$.c);
- $$.t = TYPE_NUMBER;
- }
-E : E '%' E {$$.c = code_append($1.c,$3.c);
- $$.c = abc_modulo($$.c);
- $$.t = TYPE_NUMBER;
- }
-E : E '+' E {$$.c = code_append($1.c,$3.c);
- if(BOTH_INT($1.t, $3.t)) {
- $$.c = abc_add_i($$.c);
- $$.t = TYPE_INT;
- } else {
- $$.c = abc_add($$.c);
- $$.t = join_types($1.t,$3.t,'+');
- }
- }
-E : E '-' E {$$.c = code_append($1.c,$3.c);
- if(BOTH_INT($1.t,$3.t)) {
- $$.c = abc_subtract_i($$.c);
- $$.t = TYPE_INT;
- } else {
- $$.c = abc_subtract($$.c);
- $$.t = TYPE_NUMBER;
- }
- }
-E : E '*' E {$$.c = code_append($1.c,$3.c);
- if(BOTH_INT($1.t,$3.t)) {
- $$.c = abc_multiply_i($$.c);
- $$.t = TYPE_INT;
- } else {
- $$.c = abc_multiply($$.c);
- $$.t = TYPE_NUMBER;
- }
- }
-
-E : E "in" E {$$.c = code_append($1.c,$3.c);
- $$.c = abc_in($$.c);
- $$.t = TYPE_BOOLEAN;
- }
-
-E : E "as" E {char use_astype=0; // flash player's astype works differently than astypelate
- if(use_astype && TYPE_IS_CLASS($3.t) && $3.t->data) {
- MULTINAME(m, (classinfo_t*)($3.t->data));
- $$.c = abc_astype2($1.c, &m);
- $$.t = $3.t->data;
- } else {
- $$.c = code_append($1.c, $3.c);
- $$.c = abc_astypelate($$.c);
- $$.t = TYPE_ANY;
- }
- }
-
-E : E "instanceof" E
- {$$.c = code_append($1.c, $3.c);
- $$.c = abc_instanceof($$.c);
- $$.t = TYPE_BOOLEAN;
- }
-
-E : E "is" E {$$.c = code_append($1.c, $3.c);
- $$.c = abc_istypelate($$.c);
- $$.t = TYPE_BOOLEAN;
- }
-
-E : "typeof" '(' E ')' {
- $$.c = $3.c;
- $$.c = abc_typeof($$.c);
- $$.t = TYPE_STRING;
- }
-
-E : "void" E {
- $$.c = cut_last_push($2.c);
- $$.c = abc_pushundefined($$.c);
- $$.t = TYPE_ANY;
- }
-
-E : "void" { $$.c = abc_pushundefined(0);
- $$.t = TYPE_ANY;
- }
-
-E : '(' EXPRESSION ')' {$$=$2;} //allow commas in here, too
-
-E : '-' E {
- $$.c = $2.c;
- if(IS_INT($2.t)) {
- $$.c=abc_negate_i($$.c);
- $$.t = TYPE_INT;
- } else {
- $$.c=abc_negate($$.c);
- $$.t = TYPE_NUMBER;
- }
-}
-
-E : E '[' E ']' {
- $$.c = $1.c;
- $$.c = code_append($$.c, $3.c);
-
- MULTINAME_LATE(m, $1.t?$1.t->access:ACCESS_PACKAGE, "");
- $$.c = abc_getproperty2($$.c, &m);
- $$.t = 0; // array elements have unknown type
+ typedcode_t v = node_read($3);
+ $$.c = code_append($$.c,v.c);
+ $$.t = v.t;
}
-
-E : '[' MAYBE_EXPRESSION_LIST ']' {
- $$.c = code_new();
- $$.c = code_append($$.c, $2.cc);
- $$.c = abc_newarray($$.c, $2.number);
- $$.t = registry_getarrayclass();
+VOIDEXPRESSION : E %prec below_minus { $$=node_exec($1); }
+VOIDEXPRESSION : VOIDEXPRESSION ',' E %prec below_minus {
+ $$ = $1;
+ $$ = code_append($$, node_exec($3));
}
MAYBE_EXPRPAIR_LIST : {$$.cc=0;$$.number=0;}
$$.cc = code_append($$.cc, $3.c);
$$.cc = code_append($$.cc, $5.c);
}
-//MAYBECOMMA: ','
-//MAYBECOMMA:
-E : "{ (dictionary)" MAYBE_EXPRPAIR_LIST '}' {
- $$.c = code_new();
- $$.c = code_append($$.c, $2.cc);
- $$.c = abc_newobject($$.c, $2.number/2);
- $$.t = registry_getobjectclass();
-}
-
-E : E "*=" E {
- code_t*c = $3.c;
- if(BOTH_INT($1.t,$3.t)) {
- c=abc_multiply_i(c);
- } else {
- c=abc_multiply(c);
- }
- c=converttype(c, join_types($1.t, $3.t, '*'), $1.t);
- $$.c = toreadwrite($1.c, c, 0, 0, 1);
- $$.t = $1.t;
- }
-
-E : E "%=" E {
- code_t*c = abc_modulo($3.c);
- c=converttype(c, join_types($1.t, $3.t, '%'), $1.t);
- $$.c = toreadwrite($1.c, c, 0, 0, 1);
- $$.t = $1.t;
- }
-E : E "<<=" E {
- code_t*c = abc_lshift($3.c);
- c=converttype(c, join_types($1.t, $3.t, '<'), $1.t);
- $$.c = toreadwrite($1.c, c, 0, 0, 1);
- $$.t = $1.t;
- }
-E : E ">>=" E {
- code_t*c = abc_rshift($3.c);
- c=converttype(c, join_types($1.t, $3.t, '>'), $1.t);
- $$.c = toreadwrite($1.c, c, 0, 0, 1);
- $$.t = $1.t;
- }
-E : E ">>>=" E {
- code_t*c = abc_urshift($3.c);
- c=converttype(c, join_types($1.t, $3.t, 'U'), $1.t);
- $$.c = toreadwrite($1.c, c, 0, 0, 1);
- $$.t = $1.t;
- }
-E : E "/=" E {
- code_t*c = abc_divide($3.c);
- c=converttype(c, join_types($1.t, $3.t, '/'), $1.t);
- $$.c = toreadwrite($1.c, c, 0, 0, 1);
- $$.t = $1.t;
- }
-E : E "|=" E {
- code_t*c = abc_bitor($3.c);
- c=converttype(c, TYPE_INT, $1.t);
- $$.c = toreadwrite($1.c, c, 0, 0, 1);
- $$.t = $1.t;
- }
-E : E "^=" E {
- code_t*c = abc_bitxor($3.c);
- c=converttype(c, TYPE_INT, $1.t);
- $$.c = toreadwrite($1.c, c, 0, 0, 1);
- $$.t = $1.t;
- }
-E : E "+=" E {
- code_t*c = $3.c;
-
- if(TYPE_IS_INT($1.t)) {
- c=abc_add_i(c);
- } else {
- c=abc_add(c);
- c=converttype(c, join_types($1.t, $3.t, '+'), $1.t);
- }
-
- $$.c = toreadwrite($1.c, c, 0, 0, 1);
- $$.t = $1.t;
- }
-E : E "-=" E { code_t*c = $3.c;
- if(TYPE_IS_INT($1.t)) {
- c=abc_subtract_i(c);
- } else {
- c=abc_subtract(c);
- c=converttype(c, join_types($1.t, $3.t, '-'), $1.t);
- }
-
- $$.c = toreadwrite($1.c, c, 0, 0, 1);
- $$.t = $1.t;
- }
-E : E '=' E { code_t*c = 0;
- c = code_append(c, $3.c);
- c = converttype(c, $3.t, $1.t);
- $$.c = toreadwrite($1.c, c, 1, 0, 1);
- $$.t = $1.t;
- }
+// ----------------------- expression evaluation -------------------------------------
-E : E '?' E ':' E %prec below_assignment {
- $$.t = join_types($3.t,$5.t,'?');
- $$.c = $1.c;
- code_t*j1 = $$.c = abc_iffalse($$.c, 0);
- $$.c = code_append($$.c, $3.c);
- $$.c = converttype($$.c, $3.t, $$.t);
- code_t*j2 = $$.c = abc_jump($$.c, 0);
- $$.c = j1->branch = abc_label($$.c);
- $$.c = code_append($$.c, $5.c);
- $$.c = converttype($$.c, $5.t, $$.t);
- $$.c = j2->branch = abc_label($$.c);
- }
+E : INNERFUNCTION %prec prec_none {$$ = mkcodenode($1);}
+E : VAR_READ %prec T_IDENTIFIER {$$ = mkcodenode($1);}
+E : MEMBER %prec '.' {$$ = mkcodenode($1);}
+E : NEW {$$ = mkcodenode($1);}
+E : DELETE {$$ = mkcodenode($1);}
+E : FUNCTIONCALL {$$ = mkcodenode($1);}
-E : E "++" { code_t*c = 0;
- classinfo_t*type = $1.t;
- if(is_getlocal($1.c) && (TYPE_IS_INT($1.t) || TYPE_IS_NUMBER($1.t))) {
- int nr = getlocalnr($1.c);
- code_free($1.c);$1.c=0;
- if(TYPE_IS_INT($1.t)) {
- $$.c = abc_getlocal(0, nr);
- $$.c = abc_inclocal_i($$.c, nr);
- } else if(TYPE_IS_NUMBER($1.t)) {
- $$.c = abc_getlocal(0, nr);
- $$.c = abc_inclocal($$.c, nr);
- } else syntaxerror("internal error");
- } else {
- if(TYPE_IS_INT(type) || TYPE_IS_UINT(type)) {
- c=abc_increment_i(c);
- type = TYPE_INT;
- } else {
- c=abc_increment(c);
- type = TYPE_NUMBER;
- }
- c=converttype(c, type, $1.t);
- $$.c = toreadwrite($1.c, c, 0, 1, 1);
- $$.t = $1.t;
- }
- }
+E : CONSTANT {
+ $$ = mkconstnode($1);
+}
-// TODO: use inclocal, like with ++
-E : E "--" { code_t*c = 0;
- classinfo_t*type = $1.t;
- if(TYPE_IS_INT(type) || TYPE_IS_UINT(type)) {
- c=abc_decrement_i(c);
- type = TYPE_INT;
- } else {
- c=abc_decrement(c);
- type = TYPE_NUMBER;
- }
- c=converttype(c, type, $1.t);
- $$.c = toreadwrite($1.c, c, 0, 1, 1);
- $$.t = $1.t;
- }
+/* regexp */
+E : T_REGEXP {
+ typedcode_t v;
+ v.c = 0;
+ namespace_t ns = {ACCESS_PACKAGE, ""};
+ multiname_t m = {QNAME, &ns, 0, "RegExp"};
+ if(!$1.options) {
+ v.c = abc_getlex2(v.c, &m);
+ v.c = abc_pushstring(v.c, $1.pattern);
+ v.c = abc_construct(v.c, 1);
+ } else {
+ v.c = abc_getlex2(v.c, &m);
+ v.c = abc_pushstring(v.c, $1.pattern);
+ v.c = abc_pushstring(v.c, $1.options);
+ v.c = abc_construct(v.c, 2);
+ }
+ v.t = TYPE_REGEXP;
+ $$ = mkcodenode(v);
+}
-E : "++" %prec plusplus_prefix E { code_t*c = 0;
- classinfo_t*type = $2.t;
- if(TYPE_IS_INT(type) || TYPE_IS_UINT(type)) {
- c=abc_increment_i(c);
- type = TYPE_INT;
- } else {
- c=abc_increment(c);
- type = TYPE_NUMBER;
- }
- c=converttype(c, type, $2.t);
- $$.c = toreadwrite($2.c, c, 0, 0, 1);
- $$.t = $2.t;
- }
+/* array */
+E : '[' MAYBE_EXPRESSION_LIST ']' {
+ typedcode_t v;
+ v.c = code_new();
+ v.c = code_append(v.c, $2.cc);
+ v.c = abc_newarray(v.c, $2.number);
+ v.t = registry_getarrayclass();
+ $$ = mkcodenode(v);
+}
-E : "--" %prec minusminus_prefix E { code_t*c = 0;
- classinfo_t*type = $2.t;
- if(TYPE_IS_INT(type) || TYPE_IS_UINT(type)) {
- c=abc_decrement_i(c);
- type = TYPE_INT;
- } else {
- c=abc_decrement(c);
- type = TYPE_NUMBER;
- }
- c=converttype(c, type, $2.t);
- $$.c = toreadwrite($2.c, c, 0, 0, 1);
- $$.t = $2.t;
- }
+/* dictionary */
+E : "{ (dictionary)" MAYBE_EXPRPAIR_LIST '}' {
+ typedcode_t v;
+ v.c = code_new();
+ v.c = code_append(v.c, $2.cc);
+ v.c = abc_newobject(v.c, $2.number/2);
+ v.t = registry_getobjectclass();
+ $$ = mkcodenode(v);
+}
+
+E : E '<' E {$$ = mknode2(&node_lt,$1,$3);}
+E : E '>' E {$$ = mknode2(&node_gt,$1,$3);}
+E : E "<=" E {$$ = mknode2(&node_le,$1,$3);}
+E : E ">=" E {$$ = mknode2(&node_ge,$1,$3);}
+E : E "==" E {$$ = mknode2(&node_eqeq,$1,$3);}
+E : E "===" E {$$ = mknode2(&node_eqeqeq,$1,$3);}
+E : E "!==" E {$$ = mknode2(&node_noteqeq,$1,$3);}
+E : E "!=" E {$$ = mknode2(&node_noteq,$1,$3);}
+E : E "||" E {$$ = mknode2(&node_oror,$1,$3);}
+E : E "&&" E {$$ = mknode2(&node_andand,$1,$3);}
+E : '!' E {$$ = mknode1(&node_not, $2);}
+E : '~' E {$$ = mknode1(&node_bitnot, $2);}
+E : E '&' E {$$ = mknode2(&node_bitand, $1, $3);}
+E : E '^' E {$$ = mknode2(&node_bitxor, $1, $3);}
+E : E '|' E {$$ = mknode2(&node_bitor, $1, $3);}
+E : E ">>" E {$$ = mknode2(&node_shr, $1, $3);}
+E : E ">>>" E {$$ = mknode2(&node_ushr, $1, $3);}
+E : E "<<" E {$$ = mknode2(&node_shl, $1, $3);}
+E : E '/' E {$$ = mknode2(&node_div, $1, $3);}
+E : E '%' E {$$ = mknode2(&node_mod, $1, $3);}
+E : E '+' E {$$ = mknode2(&node_plus, $1, $3);}
+E : E '-' E {$$ = mknode2(&node_minus, $1, $3);}
+E : E '*' E {$$ = mknode2(&node_multiply, $1, $3);}
+E : E "in" E {$$ = mknode2(&node_in, $1, $3);}
+E : E "as" E {$$ = mknode2(&node_as, $1, $3);}
+E : E "instanceof" E {$$ = mknode2(&node_instanceof, $1, $3);}
+E : E "is" E {$$ = mknode2(&node_is, $1, $3);}
+E : "typeof" '(' E ')' {$$ = mknode1(&node_typeof, $3);}
+E : "void" E {$$ = mknode1(&node_void, $2);}
+E : "void" { $$ = mkconstnode(constant_new_undefined());}
+E : '(' EXPRESSION ')' { /*allow commas in here, too */ $$=mkcodenode($2);}
+E : '-' E {$$ = mknode1(&node_neg, $2);}
+E : E '[' E ']' {$$ = mknode2(&node_arraylookup, $1,$3);}
+E : E "*=" E {$$ = mknode2(&node_muleq, $1, $3);}
+E : E "%=" E {$$ = mknode2(&node_modeq, $1, $3);}
+E : E "<<=" E {$$ = mknode2(&node_shleq, $1, $3);}
+E : E ">>=" E {$$ = mknode2(&node_shreq, $1, $3);}
+E : E ">>>=" E {$$ = mknode2(&node_ushreq, $1, $3);}
+E : E "/=" E { $$ = mknode2(&node_diveq, $1, $3);}
+E : E "|=" E { $$ = mknode2(&node_bitoreq, $1, $3);}
+E : E "^=" E { $$ = mknode2(&node_bitxoreq, $1, $3);}
+E : E "&=" E { $$ = mknode2(&node_bitandeq, $1, $3);}
+E : E "+=" E { $$ = mknode2(&node_pluseq, $1, $3);}
+E : E "-=" E { $$ = mknode2(&node_minuseq, $1, $3);}
+E : E '=' E { $$ = mknode2(&node_assign, $1, $3);}
+E : E '?' E ':' E %prec below_assignment { $$ = mknode3(&node_tenary, $1, $3, $5);}
+
+E : E "++" { $$ = mknode1(&node_rplusplus, $1);}
+E : E "--" { $$ = mknode1(&node_rminusminus, $1);}
+E : "++" %prec plusplus_prefix E {$$ = mknode1(&node_lplusplus, $2); }
+E : "--" %prec minusminus_prefix E {$$ = mknode1(&node_lminusminus, $2); }
E : "super" '.' T_IDENTIFIER
{ if(!state->cls->info)
syntaxerror("super keyword not allowed outside a class");
classinfo_t*t = state->cls->info->superclass;
if(!t) t = TYPE_OBJECT;
-
memberinfo_t*f = findmember_nsset(t, $3, 1);
-
MEMBER_MULTINAME(m, f, $3);
- $$.c = 0;
- $$.c = abc_getlocal_0($$.c);
- $$.c = abc_getsuper2($$.c, &m);
- $$.t = slotinfo_gettype((slotinfo_t*)f);
+ typedcode_t v;
+ v.c = 0;
+ v.c = abc_getlocal_0(v.c);
+ v.c = abc_getsuper2(v.c, &m);
+ v.t = slotinfo_gettype((slotinfo_t*)f);
+ $$ = mkcodenode(v);
}
E : '@' T_IDENTIFIER {
// attribute TODO
- $$.c = abc_pushundefined(0);
- $$.t = 0;
+ $$ = mkdummynode();
as3_warning("ignored @ operator");
}
E : E '.' '@' T_IDENTIFIER {
// child attribute TODO
- $$.c = abc_pushundefined(0);
- $$.t = 0;
+ $$ = mkdummynode();
as3_warning("ignored .@ operator");
}
E : E '.' T_IDENTIFIER "::" T_IDENTIFIER {
// namespace declaration TODO
- $$.c = abc_pushundefined(0);
- $$.t = 0;
+ $$ = mkdummynode();
as3_warning("ignored :: operator");
}
E : E ".." T_IDENTIFIER {
// descendants TODO
- $$.c = abc_pushundefined(0);
- $$.t = 0;
+ $$ = mkdummynode();
as3_warning("ignored .. operator");
}
E : E '.' '(' E ')' {
// filter TODO
- $$.c = abc_pushundefined(0);
- $$.t = 0;
+ $$ = mkdummynode();
as3_warning("ignored .() operator");
}
// as3_warning("ignored ::[] operator");
// }
-
-E : E '.' T_IDENTIFIER {
- $$.c = $1.c;
- classinfo_t*t = $1.t;
+MEMBER : E '.' T_IDENTIFIER {
+ typedcode_t v1 = node_read($1);
+ $$.c = v1.c;
+ classinfo_t*t = v1.t;
char is_static = 0;
if(TYPE_IS_CLASS(t) && t->data) {
t = t->data;
$$.t = slotinfo_gettype((slotinfo_t*)f);
if(!$$.t)
$$.c = abc_coerce_a($$.c);
- } else if($1.c && $1.c->opcode == OPCODE___PUSHPACKAGE__) {
- string_t*package = $1.c->data[0];
+ } else if(v1.c && v1.c->opcode == OPCODE___PUSHPACKAGE__) {
+ string_t*package = v1.c->data[0];
char*package2 = concat3(package->str, ".", $3);
slotinfo_t*a = registry_find(package->str, $3);
$$ = push_class(a);
} else if(dict_contains(state->import_toplevel_packages, package2) ||
registry_ispackage(package2)) {
- $$.c = $1.c;
+ $$.c = v1.c;
$$.c->data[0] = string_new4(package2);
$$.t = 0;
} else {
git.asbjorn.biz / swftools.git / blobdiff