%union tokenunion {
tokenptr_t token;
- class_signature_t*class_signature;
- class_signature_list_t*class_signature_list;
+ classinfo_t*classinfo;
+ classinfo_list_t*classinfo_list;
int number_int;
unsigned int number_uint;
typedcode_list_t*value_list;
param_t* param;
param_list_t* param_list;
- writeable_t writeable;
char*string;
}
%token<token> KW_SET "set"
%token<token> KW_STATIC
%token<token> KW_IMPORT "import"
+%token<token> KW_RETURN "return"
%token<token> KW_INTERFACE "interface"
-%token<token> KW_NULL
+%token<token> KW_NULL "null"
%token<token> KW_VAR "var"
%token<token> KW_DYNAMIC
%token<token> KW_OVERRIDE
%token<token> T_STAR '*'
%token<token> T_DOT '.'
+%type <token> X_IDENTIFIER VARCONST
%type <code> CODE
%type <code> CODEPIECE
%type <code> CODEBLOCK MAYBECODE
%type <token> PACKAGE_DECLARATION
%type <token> FUNCTION_DECLARATION
-%type <code> VARIABLE_DECLARATION
+%type <code> VARIABLE_DECLARATION ONE_VARIABLE VARIABLE_LIST
%type <token> CLASS_DECLARATION
%type <token> NAMESPACE_DECLARATION
%type <token> INTERFACE_DECLARATION
%type <code> VOIDEXPRESSION
-%type <value> EXPRESSION
+%type <value> EXPRESSION NONCOMMAEXPRESSION
%type <value> MAYBEEXPRESSION
%type <value> E
-%type <writeable> LH
%type <value> CONSTANT
-%type <code> FOR IF WHILE MAYBEELSE BREAK
+%type <code> FOR IF WHILE MAYBEELSE BREAK RETURN
%type <token> USE_NAMESPACE
-%type <code> ASSIGNMENT FOR_INIT
+%type <code> FOR_INIT
%type <token> IMPORT
-%type <class_signature> MAYBETYPE
+%type <classinfo> MAYBETYPE
%type <token> GETSET
%type <param> PARAM
%type <param_list> PARAM_LIST
%type <param_list> MAYBE_PARAM_LIST
%type <token> MODIFIERS
%type <token> MODIFIER_LIST
-%type <class_signature_list> IMPLEMENTS_LIST
-%type <class_signature> EXTENDS
-%type <class_signature_list> EXTENDS_LIST
-%type <class_signature> PACKAGEANDCLASS
-%type <class_signature_list> PACKAGEANDCLASS_LIST
-%type <token> MULTILEVELIDENTIFIER
-%type <class_signature> TYPE
+%type <classinfo_list> IMPLEMENTS_LIST
+%type <classinfo> EXTENDS
+%type <classinfo_list> EXTENDS_LIST
+%type <classinfo> CLASS PACKAGEANDCLASS QNAME
+%type <classinfo_list> QNAME_LIST
+%type <classinfo> TYPE
%type <token> VAR
//%type <token> VARIABLE
%type <value> VAR_READ
%type <value> NEW
-%type <token> X_IDENTIFIER
+//%type <token> T_IDENTIFIER
%type <token> MODIFIER
%type <token> PACKAGE
%type <value> FUNCTIONCALL
%type <value_list> MAYBE_EXPRESSION_LIST EXPRESSION_LIST MAYBE_PARAM_VALUES
-// precendence: from low to high
+// precedence: from low to high
// http://livedocs.adobe.com/flash/9.0/main/wwhelp/wwhimpl/common/html/wwhelp.htm?context=LiveDocs_Parts&file=00000012.html
%left prec_none
%nonassoc '&'
%nonassoc "!=" "==" "===" "<=" '<' ">=" '>' // TODO: support "a < b < c" syntax?
%nonassoc "is"
+%left prec_belowminus
%left '-'
%left '+'
%left "<<"
%nonassoc "else"
%left '('
+// needed for "return" precedence:
+%nonassoc T_STRING T_REGEXP
+%nonassoc T_INT T_UINT T_BYTE T_SHORT T_FLOAT
+%nonassoc "new" "false" "true" "null"
+
+%left prec_highest
+
%{
a method (like initializing local registers) */
code_t*initcode;
- abc_method_body_t*m;
-
import_list_t*wildcard_imports;
dict_t*imports;
char has_own_imports;
/* class data */
- char*classname;
+ classinfo_t*clsinfo;
abc_class_t*cls;
+ code_t*cls_init;
+ code_t*cls_static_init;
+
+ /* method data */
+ memberinfo_t*minfo;
+ abc_method_body_t*m;
array_t*vars;
int local_var_base;
+ char late_binding;
} state_t;
static state_t* state = 0;
}
char*globalclass=0;
-static void startclass(token_t*modifiers, token_t*name, class_signature_t*extends, class_signature_list_t*implements, char interface)
+static void startclass(token_t*modifiers, token_t*name, classinfo_t*extends, classinfo_list_t*implements, char interface)
{
if(state->cls) {
syntaxerror("inner classes now allowed");
}
new_state();
- state->classname = name->text;
+ char*classname = name->text;
token_list_t*t=0;
- class_signature_list_t*mlist=0;
+ classinfo_list_t*mlist=0;
/*printf("entering class %s\n", name->text);
printf(" modifiers: ");for(t=modifiers->tokens;t;t=t->next) printf("%s ", t->token->text);printf("\n");
if(extends)
printf(" extends: %s.%s\n", extends->package, extends->name);
printf(" implements (%d): ", list_length(implements));
for(mlist=implements;mlist;mlist=mlist->next) {
- printf("%s ", mlist->class_signature?mlist->class_signature->name:0);
+ printf("%s ", mlist->classinfo?mlist->classinfo->name:0);
}
printf("\n");
*/
syntaxerror("public classes only allowed inside a package");
}
- if(registry_findclass(package, state->classname)) {
- syntaxerror("Package \"%s\" already contains a class called \"%s\"", package, state->classname);
+ if(registry_findclass(package, classname)) {
+ syntaxerror("Package \"%s\" already contains a class called \"%s\"", package, classname);
}
- class_signature_t* classname = class_signature_register(access, package, state->classname);
+ state->clsinfo = classinfo_register(access, package, classname);
- MULTINAME(classname2,classname);
+ MULTINAME(classname2,state->clsinfo);
multiname_t*extends2 = sig2mname(extends);
+ /*if(extends) {
+ state->cls_init = abc_getlocal_0(state->cls_init);
+ state->cls_init = abc_constructsuper(state->cls_init, 0);
+ }*/
+
state->cls = abc_class_new(state->file, &classname2, extends2);
if(final) abc_class_final(state->cls);
if(sealed) abc_class_sealed(state->cls);
if(interface) abc_class_interface(state->cls);
for(mlist=implements;mlist;mlist=mlist->next) {
- MULTINAME(m, mlist->class_signature);
+ MULTINAME(m, mlist->classinfo);
abc_class_add_interface(state->cls, &m);
}
abc_method_body_t*m = state->init->method->body;
__ getglobalscope(m);
- class_signature_t*s = extends;
+ classinfo_t*s = extends;
int count=0;
__ getlex2(m, s2);
multiname_destroy(s2);
- __ pushscope(m);
+ __ pushscope(m); count++;
m->code = m->code->prev->prev; // invert
- count++;
}
/* continue appending after last op end */
while(m->code && m->code->next) m->code = m->code->next;
if(extends2) {
__ getlex2(m, extends2);
__ dup(m);
- __ pushscope(m); // we get a Verify Error #1107 if this is not the top scope
+ /* notice: we get a Verify Error #1107 if the top elemnt on the scope
+ stack is not the superclass */
+ __ pushscope(m);count++;
} else {
__ pushnull(m);
+ /* notice: we get a verify error #1107 if the top element on the scope
+ stack is not the global object */
+ __ getlocal_0(m);
+ __ pushscope(m);count++;
}
__ newclass(m,state->cls);
while(count--) {
__ setslot(m, slotindex);
/* flash.display.MovieClip handling */
- if(!globalclass && public && class_signature_equals(registry_getMovieClip(),extends)) {
+ if(!globalclass && public && classinfo_equals(registry_getMovieClip(),extends)) {
if(state->package && state->package[0]) {
- globalclass = concat3str(state->package, ".", state->classname);
+ globalclass = concat3str(state->package, ".", classname);
} else {
- globalclass = strdup(state->classname);
+ globalclass = strdup(classname);
}
}
multiname_destroy(extends2);
static void endclass()
{
- /*printf("leaving class %s\n", state->classname);*/
+ if(state->cls_init) {
+ if(!state->cls->constructor) {
+ abc_method_body_t*m = abc_class_constructor(state->cls, 0, 0);
+ m->code = code_append(m->code, state->cls_init);
+ m->code = abc_returnvoid(m->code);
+ } else {
+ code_t*c = state->cls->constructor->body->code;
+ c = code_append(state->cls_init, c);
+ state->cls->constructor->body->code = c;
+
+ }
+ }
+ if(state->cls_static_init) {
+ if(!state->cls->static_constructor) {
+ abc_method_body_t*m = abc_class_staticconstructor(state->cls, 0, 0);
+ m->code = state->cls_static_init;
+ } else {
+ state->cls->static_constructor->body->code =
+ code_append(state->cls_static_init, state->cls->static_constructor->body->code);
+ }
+ }
+
old_state();
}
static void startfunction(token_t*ns, token_t*mod, token_t*getset, token_t*name,
- param_list_t*params, class_signature_t*type)
+ param_list_t*params, classinfo_t*type)
{
token_list_t*t;
new_state();
state->function = name->text;
- /*printf("entering function %s\n", name->text);
- if(ns)
- printf(" namespace: %s\n", ns->text);
- printf(" getset: %s\n", getset->text);
- printf(" params: ");for(t=params->tokens;t;t=t->next) printf("%s ", t->token->text);printf("\n");
- printf(" mod: ");for(t=mod->tokens;t;t=t->next) printf("%s ", t->token->text);printf("\n");
- if(type)
- printf(" type: %s.%s\n", type->package, type->name);
- print_imports();*/
-
if(state->m) {
syntaxerror("not able to start another method scope");
}
multiname_t*type2 = sig2mname(type);
-
- if(!strcmp(state->classname,name->text)) {
+ if(!strcmp(state->clsinfo->name,name->text)) {
state->m = abc_class_constructor(state->cls, type2, 0);
} else {
+ state->minfo = memberinfo_register(state->clsinfo, name->text, MEMBER_METHOD);
state->m = abc_class_method(state->cls, type2, name->text, 0);
+ state->minfo->slot = state->m->method->trait->slot_id;
}
+ if(getset->type == KW_GET) {
+ state->m->method->trait->kind = TRAIT_GETTER;
+ }
+ if(getset->type == KW_SET) {
+ state->m->method->trait->kind = TRAIT_SETTER;
+ }
+
param_list_t*p;
for(p=params;p;p=p->next) {
multiname_t*m = sig2mname(p->param->type);
for(p=params;p;p=p->next) {
array_append(state->vars, p->param->name, 0);
}
-
- __ getlocal_0(state->m);
- __ pushscope(state->m);
-
- multiname_destroy(type2);
}
-static void endfunction()
+static void endfunction(code_t*body)
{
- /*printf("leaving function %s\n", state->function);*/
- __ returnvoid(state->m);
+ code_t*c = 0;
+ if(state->late_binding) {
+ c = abc_getlocal_0(c);
+ c = abc_pushscope(c);
+ }
+ c = code_append(c, state->initcode);
+ c = code_append(c, body);
+ c = abc_returnvoid(c);
+ if(state->m->code) syntaxerror("internal error");
+ state->m->code = c;
old_state();
}
list->text[l1+l2+l3]=0;
}
-static int find_variable(char*name, class_signature_t**m)
+static int find_variable(char*name, classinfo_t**m)
{
state_list_t* s = state_stack;
while(s) {
}
s = s->next;
}
- syntaxerror("undefined variable: %s", name);
+ return -1;
}
+static int find_variable_safe(char*name, classinfo_t**m)
+{
+ int i = find_variable(name, m);
+ if(i<0)
+ syntaxerror("undefined variable: %s", name);
+ return i;
+}
static char variable_exists(char*name)
{
return array_contains(state->vars, name);
}
-static int new_variable(char*name, class_signature_t*type)
+static int new_variable(char*name, classinfo_t*type)
{
return array_append(state->vars, name, type) + state->local_var_base;
}
+#define TEMPVARNAME "__as3_temp__"
+static int gettempvar()
+{
+ int i = find_variable(TEMPVARNAME, 0);
+ if(i<0) {
+ return new_variable(TEMPVARNAME, 0);
+ } else {
+ return i;
+ }
+}
+
code_t* killvars(code_t*c)
{
int t;
for(t=0;t<state->vars->num;t++) {
- class_signature_t*type = array_getvalue(state->vars, t);
+ classinfo_t*type = array_getvalue(state->vars, t);
//do this always, otherwise register types don't match
//in the verifier when doing nested loops
//if(!TYPE_IS_BUILTIN_SIMPLE(type)) {
return c;
}
-class_signature_t*join_types(class_signature_t*type1, class_signature_t*type2, char op)
-{
- return registry_getanytype(); // FIXME
-}
-char is_subtype_of(class_signature_t*type, class_signature_t*supertype)
+char is_subtype_of(classinfo_t*type, classinfo_t*supertype)
{
return 1; // FIXME
}
c = c->next;
}
}
-code_t*converttype(code_t*c, class_signature_t*from, class_signature_t*to)
+
+classinfo_t*join_types(classinfo_t*type1, classinfo_t*type2, char op)
{
+ return registry_getanytype(); // FIXME
+}
+code_t*converttype(code_t*c, classinfo_t*from, classinfo_t*to)
+{
+ if(from==to)
+ return c;
if(!to) {
/*TODO: can omit this if from is zero? */
return abc_coerce_a(c);
return c;
}
-code_t*defaultvalue(code_t*c, class_signature_t*type)
+code_t*defaultvalue(code_t*c, classinfo_t*type)
{
if(TYPE_IS_INT(type) || TYPE_IS_UINT(type) || TYPE_IS_FLOAT(type)) {
c = abc_pushbyte(c, 0);
return c;
}
+char is_pushundefined(code_t*c)
+{
+ return (c && !c->prev && !c->next && c->opcode == OPCODE_PUSHUNDEFINED);
+}
+
+static code_t* toreadwrite(code_t*in, code_t*middlepart)
+{
+ /* converts this:
+
+ [prefix code] [read instruction]
+
+ to this:
+
+ [prefix code] ([dup]) [read instruction] [setvar] [middlepart] [write instruction] [getvar]
+ */
+
+ if(in->next)
+ syntaxerror("internal error");
+
+ int temp = gettempvar();
+
+ /* 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;
+ }
+
+ /* generate the write instruction, and maybe append a dup to the prefix code */
+ code_t* write = abc_nop(middlepart);
+ 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)
+ syntaxerror("illegal lvalue: can't assign a value to this expression (not a qname)");
+ prefix = abc_dup(prefix); // we need the object, too
+ } else if(r->opcode == OPCODE_GETSLOT) {
+ write->opcode = OPCODE_SETSLOT;
+ write->data[0] = r->data[0];
+ prefix = abc_dup(prefix); // we need the object, too
+ } 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 {
+ code_dump(r, 0, 0, "", stdout);
+ syntaxerror("illegal lvalue: can't assign a value to this expression");
+ }
+ code_t* c = prefix;
+ c = code_append(c, r);
+
+ c = abc_dup(c);
+ c = abc_setlocal(c, temp);
+ c = code_append(c, middlepart);
+ c = abc_getlocal(c, temp);
+ c = abc_kill(c, temp);
+
+ return c;
+}
+
+
%}
CODEPIECE: FOR {$$=$1}
CODEPIECE: WHILE {$$=$1}
CODEPIECE: BREAK {$$=$1}
+CODEPIECE: RETURN {$$=$1}
CODEPIECE: IF {$$=$1}
-CODEPIECE: ASSIGNMENT {$$=$1}
CODEPIECE: NAMESPACE_DECLARATION {/*TODO*/$$=code_new();}
CODEPIECE: FUNCTION_DECLARATION {/*TODO*/$$=code_new();}
CODEPIECE: USE_NAMESPACE {/*TODO*/$$=code_new();}
CODEBLOCK : CODEPIECE ';' {$$=$1;}
CODEBLOCK : CODEPIECE %prec below_semicolon {$$=$1;}
-/* ------------ functions --------------------------- */
-
-FUNCTION_DECLARATION: MODIFIERS "function" GETSET T_IDENTIFIER '(' MAYBE_PARAM_LIST ')'
- MAYBETYPE '{' {startfunction(0,$1,$3,$4,$6,$8)} MAYBECODE '}' {
- if(!state->m) syntaxerror("internal error: undefined function");
- state->initcode = abc_nop(state->initcode);
- state->initcode = abc_nop(state->initcode);
- state->initcode = abc_nop(state->initcode);
- state->m->code = code_append(state->initcode, $11);state->initcode=0;
- endfunction()
-}
-
/* ------------ variables --------------------------- */
-MAYBEEXPRESSION : '=' EXPRESSION {$$=$2;}
+MAYBEEXPRESSION : '=' NONCOMMAEXPRESSION {$$=$2;}
| {$$.c=abc_pushundefined(0);
$$.t=TYPE_ANY;
}
VAR : "const" | "var"
-VARIABLE_DECLARATION : VAR T_IDENTIFIER MAYBETYPE MAYBEEXPRESSION {
+VARIABLE_DECLARATION : VAR VARIABLE_LIST {$$=$2;}
+
+VARIABLE_LIST: ONE_VARIABLE {$$ = $1;}
+VARIABLE_LIST: VARIABLE_LIST ',' ONE_VARIABLE {$$ = code_append($1, $3);}
+
+ONE_VARIABLE: {} T_IDENTIFIER MAYBETYPE MAYBEEXPRESSION
+{
if(variable_exists($2->text))
syntaxerror("Variable %s already defined", $2->text);
}*/
printf("variable %s -> %d (%s)\n", $2->text, index, $4.t?$4.t->name:"");
}
-ASSIGNMENT : T_IDENTIFIER '=' EXPRESSION {
- class_signature_t*type=0;
- int i = find_variable($1->text, &type);
- $$ = $3.c;
- if(!type && $3.t) {
- // convert to "any" type, the register is untyped
- $$ = abc_coerce_a($$);
- } else {
- // TODO: convert ints to strings etc.
- }
- $$ = abc_setlocal($$, i);
-}
/* ------------ control flow ------------------------- */
}
FOR_INIT : {$$=code_new();}
-FOR_INIT : ASSIGNMENT | VARIABLE_DECLARATION | VOIDEXPRESSION
+FOR_INIT : VARIABLE_DECLARATION
+FOR_INIT : VOIDEXPRESSION
FOR : "for" '(' {new_state();} FOR_INIT ';' EXPRESSION ';' VOIDEXPRESSION ')' CODEBLOCK {
$$ = state->initcode;state->initcode=0;
/* ------------ packages and imports ---------------- */
-PACKAGE_DECLARATION : "package" MULTILEVELIDENTIFIER '{' {startpackage($2)} MAYBECODE '}' {endpackage()}
-PACKAGE_DECLARATION : "package" '{' {startpackage(0)} MAYBECODE '}' {endpackage()}
+X_IDENTIFIER: T_IDENTIFIER
+ | "package"
PACKAGE: PACKAGE '.' X_IDENTIFIER {$$ = concat3($1,$2,$3);}
PACKAGE: X_IDENTIFIER {$$=$1;}
-IMPORT : "import" PACKAGE '.' X_IDENTIFIER {
- class_signature_t*c = registry_findclass($2->text, $4->text);
+PACKAGE_DECLARATION : "package" PACKAGE '{' {startpackage($2)} MAYBECODE '}' {endpackage()}
+PACKAGE_DECLARATION : "package" '{' {startpackage(0)} MAYBECODE '}' {endpackage()}
+
+IMPORT : "import" QNAME {
+ classinfo_t*c = $2;
if(!c)
- syntaxerror("Couldn't import %s.%s\n", $2->text, $4->text);
+ syntaxerror("Couldn't import class\n");
state_has_imports();
- dict_put(state->imports, $4->text, c);
+ dict_put(state->imports, c->name, c);
$$=0;
}
IMPORT : "import" PACKAGE '.' '*' {
$$=0;
}
-/* ------------ classes and interfaces -------------- */
+/* ------------ classes and interfaces (header) -------------- */
MODIFIERS : {$$=empty_token();}
MODIFIERS : MODIFIER_LIST {$$=$1}
MODIFIER : KW_PUBLIC | KW_PRIVATE | KW_PROTECTED | KW_STATIC | KW_DYNAMIC | KW_FINAL | KW_OVERRIDE | KW_NATIVE | KW_INTERNAL
EXTENDS : {$$=registry_getobjectclass();}
-EXTENDS : KW_EXTENDS PACKAGEANDCLASS {$$=$2;}
+EXTENDS : KW_EXTENDS QNAME {$$=$2;}
EXTENDS_LIST : {$$=list_new();}
-EXTENDS_LIST : KW_EXTENDS PACKAGEANDCLASS_LIST {$$=$2;}
+EXTENDS_LIST : KW_EXTENDS QNAME_LIST {$$=$2;}
IMPLEMENTS_LIST : {$$=list_new();}
-IMPLEMENTS_LIST : KW_IMPLEMENTS PACKAGEANDCLASS_LIST {$$=$2;}
+IMPLEMENTS_LIST : KW_IMPLEMENTS QNAME_LIST {$$=$2;}
CLASS_DECLARATION : MODIFIERS "class" T_IDENTIFIER
EXTENDS IMPLEMENTS_LIST
'{' {startclass($1,$3,$4,$5, 0);}
MAYBE_DECLARATION_LIST
'}' {endclass();}
+
INTERFACE_DECLARATION : MODIFIERS "interface" T_IDENTIFIER
EXTENDS_LIST
'{' {startclass($1,$3,0,$4,1);}
MAYBE_IDECLARATION_LIST
'}' {endclass();}
-TYPE : PACKAGEANDCLASS {$$=$1;}
- | '*' {$$=registry_getanytype();}
- | "String" {$$=registry_getstringclass();}
- | "int" {$$=registry_getintclass();}
- | "uint" {$$=registry_getuintclass();}
- | "Boolean" {$$=registry_getbooleanclass();}
- | "Number" {$$=registry_getnumberclass();}
+/* ------------ classes and interfaces (body) -------------- */
-MAYBETYPE: ':' TYPE {$$=$2;}
-MAYBETYPE: {$$=0;}
+MAYBE_DECLARATION_LIST :
+MAYBE_DECLARATION_LIST : DECLARATION_LIST
+DECLARATION_LIST : DECLARATION
+DECLARATION_LIST : DECLARATION_LIST DECLARATION
+DECLARATION : ';'
+DECLARATION : SLOT_DECLARATION
+DECLARATION : FUNCTION_DECLARATION
-//FUNCTION_HEADER: NAMESPACE MODIFIERS T_FUNCTION GETSET T_IDENTIFIER '(' PARAMS ')'
-FUNCTION_HEADER: MODIFIERS "function" GETSET T_IDENTIFIER '(' MAYBE_PARAM_LIST ')'
- MAYBETYPE
+VARCONST: "var" | "const"
+SLOT_DECLARATION: MODIFIERS VARCONST T_IDENTIFIER MAYBETYPE MAYBEEXPRESSION {
-NAMESPACE_DECLARATION : MODIFIERS KW_NAMESPACE T_IDENTIFIER
-NAMESPACE_DECLARATION : MODIFIERS KW_NAMESPACE T_IDENTIFIER '=' T_IDENTIFIER
-NAMESPACE_DECLARATION : MODIFIERS KW_NAMESPACE T_IDENTIFIER '=' T_STRING
+ memberinfo_t* info = memberinfo_register(state->clsinfo, $3->text, MEMBER_SLOT);
+ info->type = $4;
-//NAMESPACE : {$$=empty_token();}
-//NAMESPACE : T_IDENTIFIER {$$=$1};
+ trait_t*t=0;
+ if($4) {
+ MULTINAME(m, $4);
+ t=abc_class_slot(state->cls, $3->text, &m);
+ } else {
+ t=abc_class_slot(state->cls, $3->text, 0);
+ }
+ if($2->type==KW_CONST) {
+ t->kind= TRAIT_CONST;
+ }
+ info->slot = t->slot_id;
+ if($5.c && !is_pushundefined($5.c)) {
+ code_t*c = 0;
+ c = abc_getlocal_0(c);
+ c = code_append(c, $5.c);
+ c = converttype(c, $5.t, $4);
+ c = abc_setslot(c, t->slot_id);
+ //c = abc_setproperty(c, $3->text);
+ state->cls_init = code_append(state->cls_init, c);
+ }
+}
-CONSTANT : T_BYTE {$$.c = abc_pushbyte(0, $1);
- //MULTINAME(m, registry_getintclass());
- //$$.c = abc_coerce2($$.c, &m); // FIXME
- $$.t = TYPE_INT;
- }
-CONSTANT : T_SHORT {$$.c = abc_pushshort(0, $1);
- $$.t = TYPE_INT;
- }
-CONSTANT : T_INT {$$.c = abc_pushint(0, $1);
- $$.t = TYPE_INT;
- }
-CONSTANT : T_UINT {$$.c = abc_pushuint(0, $1);
- $$.t = TYPE_UINT;
- }
-CONSTANT : T_FLOAT {$$.c = abc_pushdouble(0, $1);
- $$.t = TYPE_FLOAT;
- }
-CONSTANT : T_STRING {$$.c = abc_pushstring(0, $1);
- $$.t = TYPE_STRING;
- }
-CONSTANT : KW_TRUE {$$.c = abc_pushtrue(0);
- $$.t = TYPE_BOOLEAN;
- }
-CONSTANT : KW_FALSE {$$.c = abc_pushfalse(0);
- $$.t = TYPE_BOOLEAN;
- }
-CONSTANT : KW_NULL {$$.c = abc_pushnull(0);
- $$.t = TYPE_NULL;
- }
+FUNCTION_DECLARATION: MODIFIERS "function" GETSET T_IDENTIFIER '(' MAYBE_PARAM_LIST ')'
+ MAYBETYPE '{' {startfunction(0,$1,$3,$4,$6,$8)} MAYBECODE '}'
+{
+ if(!state->m) syntaxerror("internal error: undefined function");
+ endfunction($11);
+}
-USE_NAMESPACE : "use" "namespace" T_IDENTIFIER
+/* ------------- package + class ids --------------- */
+
+CLASS: T_IDENTIFIER {
+
+ /* try current package */
+ $$ = registry_findclass(state->package, $1->text);
+
+ /* try explicit imports */
+ dictentry_t* e = dict_get_slot(state->imports, $1->text);
+ while(e) {
+ if($$)
+ break;
+ if(!strcmp(e->key, $1->text)) {
+ $$ = (classinfo_t*)e->data;
+ }
+ e = e->next;
+ }
+
+ /* try package.* imports */
+ import_list_t*l = state->wildcard_imports;
+ while(l) {
+ if($$)
+ break;
+ //printf("does package %s contain a class %s?\n", l->import->package, $1->text);
+ $$ = registry_findclass(l->import->package, $1->text);
+ l = l->next;
+ }
+
+ /* try global package */
+ if(!$$) {
+ $$ = registry_findclass("", $1->text);
+ }
+
+ if(!$$) syntaxerror("Could not find class %s\n", $1->text);
+}
+
+PACKAGEANDCLASS : PACKAGE '.' T_IDENTIFIER {
+ $$ = registry_findclass($1->text, $3->text);
+ if(!$$) syntaxerror("Couldn't find class %s.%s\n", $1->text, $3->text);
+}
+
+QNAME: PACKAGEANDCLASS
+ | CLASS
+
+
+/* ----------function calls, constructor calls ------ */
+
+MAYBE_PARAM_VALUES : %prec prec_none {$$=0;}
+MAYBE_PARAM_VALUES : '(' MAYBE_EXPRESSION_LIST ')' {$$=$2}
+
+MAYBE_EXPRESSION_LIST : {$$=0;}
+MAYBE_EXPRESSION_LIST : EXPRESSION_LIST
+EXPRESSION_LIST : NONCOMMAEXPRESSION {$$=list_new();
+ typedcode_t*t = malloc(sizeof(typedcode_t));
+ *t = $1;
+ list_append($$, t);}
+EXPRESSION_LIST : EXPRESSION_LIST ',' NONCOMMAEXPRESSION {$$=$1;
+ typedcode_t*t = malloc(sizeof(typedcode_t));
+ *t = $3;
+ list_append($$, t);}
+
+NEW : "new" CLASS MAYBE_PARAM_VALUES {
+ MULTINAME(m, $2);
+ $$.c = code_new();
+
+ /* TODO: why do we have to *find* our own classes? */
+ $$.c = abc_findpropstrict2($$.c, &m);
+
+ typedcode_list_t*l = $3;
+ int len = 0;
+ while(l) {
+ $$.c = code_append($$.c, l->typedcode->c); // push parameters on stack
+ l = l->next;
+ len ++;
+ }
+ $$.c = abc_constructprop2($$.c, &m, len);
+ $$.t = $2;
+}
+
+/* TODO: use abc_call (for calling local variables),
+ abc_callstatic (for calling own methods)
+ call (for closures)
+*/
+FUNCTIONCALL : E '(' MAYBE_EXPRESSION_LIST ')' {
+ typedcode_list_t*l = $3;
+ int len = 0;
+ code_t*paramcode = 0;
+ while(l) {
+ paramcode = code_append(paramcode, l->typedcode->c); // push parameters on stack
+ l = l->next;
+ len ++;
+ }
+
+ $$.c = $1.c;
+ if($$.c->opcode == OPCODE_GETPROPERTY) {
+ multiname_t*name = multiname_clone($$.c->data[0]);
+ $$.c = code_cutlast($$.c);
+ $$.c = code_append($$.c, paramcode);
+ $$.c = abc_callproperty2($$.c, name, len);
+ } else if($$.c->opcode == OPCODE_GETSLOT) {
+ int slot = (int)(ptroff_t)$$.c->data[0];
+ trait_t*t = abc_class_find_slotid(state->cls,slot);//FIXME
+ if(t->kind!=TRAIT_METHOD) {syntaxerror("not a function");}
+
+ abc_method_t*m = t->method;
+ $$.c = code_cutlast($$.c);
+ $$.c = code_append($$.c, paramcode);
+
+ //$$.c = abc_callmethod($$.c, m, len); //#1051 illegal early access binding
+ $$.c = abc_callproperty2($$.c, t->name, len);
+ } else {
+ int i = find_variable_safe("this", 0);
+ $$.c = abc_getlocal($$.c, i);
+ $$.c = code_append($$.c, paramcode);
+ $$.c = abc_call($$.c, len);
+ }
+ /* TODO: look up the functions's return value */
+ $$.t = TYPE_ANY;
+}
+RETURN: "return" %prec prec_none {
+ $$ = abc_returnvoid(0);
+}
+RETURN: "return" EXPRESSION {
+ $$ = $2.c;
+ $$ = abc_returnvalue($$);
+}
+// ----------------------- expression types -------------------------------------
+
+NONCOMMAEXPRESSION : E %prec prec_belowminus {$$=$1;}
+EXPRESSION : E %prec prec_belowminus {$$ = $1;}
+EXPRESSION : EXPRESSION ',' E %prec prec_belowminus {
+ $$.c = $1.c;
+ $$.c = abc_pop($$.c);
+ $$.c = code_append($$.c,$3.c);
+ $$.t = $3.t;
+}
+VOIDEXPRESSION : EXPRESSION %prec prec_belowminus {$$=abc_pop($1.c);}
-EXPRESSION : E %prec prec_none /*precendence below '-x'*/ {$$ = $1;}
-VOIDEXPRESSION : E %prec prec_none {$$=$1.c;/*calculate and discard*/$$=abc_pop($$);}
+// ----------------------- expression evaluation -------------------------------------
E : CONSTANT
E : VAR_READ %prec T_IDENTIFIER {$$ = $1;}
$$.t = TYPE_BOOLEAN;
}
-E : E "||" E {$$.c = $1.c;
- $$.c=abc_dup($$.c);
+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=abc_pop($$.c);
+ $$.c = abc_pop($$.c);
$$.c = code_append($$.c,$3.c);
+ $$.c = converttype($$.c, $1.t, $$.t);
code_t*label = $$.c = abc_label($$.c);
jmp->branch = label;
- $$.t = join_types($1.t, $3.t, 'O');
}
-E : E "&&" E {$$.c = $1.c;
- $$.c=abc_dup($$.c);
+E : E "&&" E {$$.t = join_types($1.t, $3.t, 'A');
+ $$.c = $1.c;
+ $$.c = converttype($$.c, $1.t, $$.t);
+ $$.c = abc_dup($$.c);
code_t*jmp = $$.c = abc_iffalse($$.c, 0);
- $$.c=abc_pop($$.c);
+ $$.c = abc_pop($$.c);
$$.c = code_append($$.c,$3.c);
+ $$.c = converttype($$.c, $1.t, $$.t);
code_t*label = $$.c = abc_label($$.c);
- jmp->branch = label;
- $$.t = join_types($1.t, $3.t, 'A');
+ jmp->branch = label;
+ }
+
+E : E '.' T_IDENTIFIER
+ {$$.c = $1.c;
+ if($$.t) {
+ //namespace_t ns = {$$.t->access, (char*)$$.t->package};
+ namespace_t ns = {$$.t->access, ""};
+ multiname_t m = {QNAME, &ns, 0, $3->text};
+ $$.c = abc_getproperty2($$.c, &m);
+ /* FIXME: get type of ($1.t).$3 */
+ $$.t = registry_getanytype();
+ } else {
+ namespace_t ns = {ACCESS_PACKAGE, ""};
+ multiname_t m = {QNAME, &ns, 0, $3->text};
+ $$.c = abc_getproperty2($$.c, &m);
+ $$.t = registry_getanytype();
}
+ }
E : '!' E {$$.c=$2.c;
$$.c = abc_not($$.c);
$$.t = join_types($1.t, $3.t, '*');
}
-E : E "as" TYPE
-E : E "is" TYPE
+E : E "as" E
+E : E "is" E
E : '(' E ')' {$$=$2;}
E : '-' E {$$=$2;}
-E : LH "+=" E {$$.c = $1.read;$$.c=code_append($$.c,$3.c);$$.c=abc_add($$.c);
- class_signature_t*type = join_types($1.type, $3.t, '+');
- $$.c=converttype($$.c, type, $1.type);
- $$.c=abc_dup($$.c);$$.c=code_append($$.c,$1.write);
- $$.t = $1.type;
- }
-E : LH "-=" E {$$.c = $1.read;$$.c=code_append($$.c,$3.c);$$.c=abc_add($$.c);
- class_signature_t*type = join_types($1.type, $3.t, '-');
- $$.c=converttype($$.c, type, $1.type);
- $$.c=abc_dup($$.c);$$.c=code_append($$.c,$1.write);
- $$.t = $1.type;
+E : E "+=" E {
+ code_t*c = $3.c;
+ if(TYPE_IS_INT($3.t) || TYPE_IS_UINT($3.t)) {
+ c=abc_add_i(c);
+ } else {
+ c=abc_add(c);
+ }
+ c=converttype(c, join_types($1.t, $3.t, '+'), $1.t);
+
+ $$.c = toreadwrite($1.c, c);
+ $$.t = $1.t;
}
+E : E "-=" E { code_t*c = $3.c;
+ if(TYPE_IS_INT($3.t) || TYPE_IS_UINT($3.t)) {
+ c=abc_subtract_i(c);
+ } else {
+ c=abc_subtract(c);
+ }
+ c=converttype(c, join_types($1.t, $3.t, '-'), $1.t);
+
+ $$.c = toreadwrite($1.c, c);
+ $$.t = $1.t;
+ }
+E : E '=' E { code_t*c = 0;
+ c = abc_pop(c);
+ c = code_append(c, $3.c);
+ c = converttype(c, $3.t, $1.t);
+ $$.c = toreadwrite($1.c, c);
+ $$.t = $1.t;
+ }
// TODO: use inclocal where appropriate
-E : LH "++" {$$.c = $1.read;$$.c=abc_increment($$.c);
- class_signature_t*type = $1.type;
- if(TYPE_IS_INT(type) || TYPE_IS_UINT(type)) type = TYPE_NUMBER;
- $$.c=converttype($$.c, type, $1.type);
- $$.c=abc_dup($$.c);$$.c=code_append($$.c,$1.write);
- $$.t = $1.type;
- }
-E : LH "--" {$$.c = $1.read;$$.c=abc_decrement($$.c);
- class_signature_t*type = $1.type;
- if(TYPE_IS_INT(type) || TYPE_IS_UINT(type)) type = TYPE_NUMBER;
- $$.c=converttype($$.c, 0, $1.type);
- $$.c=abc_dup($$.c);$$.c=code_append($$.c,$1.write);
- $$.t = $1.type;
+E : E "++" { code_t*c = 0;
+ classinfo_t*type = $1.t;
+ if(TYPE_IS_INT(type) || TYPE_IS_UINT(type)) {
+ c=abc_increment_i(c);
+ } else {
+ c=abc_increment(c);
+ type = TYPE_NUMBER;
+ }
+ c=converttype(c, type, $1.t);
+ $$.c = toreadwrite($1.c, c);
+ $$.t = $1.t;
+ }
+E : E "--" { code_t*c = 0;
+ classinfo_t*type = $1.t;
+ if(TYPE_IS_INT(type) || TYPE_IS_UINT(type)) {
+ c=abc_increment_i(c);
+ } else {
+ c=abc_increment(c);
+ type = TYPE_NUMBER;
+ }
+ c=converttype(c, type, $1.t);
+ $$.c = toreadwrite($1.c, c);
+ $$.t = $1.t;
}
-LH: T_IDENTIFIER {
- int i = find_variable($1->text, &$$.type);
- $$.read = abc_getlocal(0, i);
- $$.write = abc_setlocal(0, i);
-}
-
-MAYBE_PARAM_VALUES : %prec prec_none {$$=0;}
-MAYBE_PARAM_VALUES : '(' MAYBE_EXPRESSION_LIST ')' {$$=$2}
+VAR_READ : T_IDENTIFIER {
+ $$.t = 0;
+ $$.c = 0;
+ int i;
+ memberinfo_t*m;
+ if((i = find_variable($1->text, &$$.t)) >= 0) {
+ $$.c = abc_getlocal($$.c, i);
+ } else if((m = registry_findmember(state->clsinfo, $1->text))) {
+ $$.t = m->type;
+ if(m->slot>0) {
+ $$.c = abc_getlocal_0($$.c);
+ $$.c = abc_getslot($$.c, m->slot);
+ } else {
+ $$.c = abc_getlocal_0($$.c);
+ $$.c = abc_getproperty($$.c, $1->text);
+ }
+ } else {
+ warning("Couldn't resolve %s, doing late binding", $1->text);
+ state->late_binding = 1;
-NEW : "new" PACKAGEANDCLASS MAYBE_PARAM_VALUES {
- MULTINAME(m, $2);
- $$.c = code_new();
- $$.c = abc_findpropstrict2($$.c, &m);
- typedcode_list_t*l = $3;
- int len = 0;
- while(l) {
- $$.c = code_append($$.c, l->typedcode->c); // push parameters on stack
- l = l->next;
- len ++;
+ $$.t = 0;
+ $$.c = abc_findpropstrict($$.c, $1->text);
+ $$.c = abc_getproperty($$.c, $1->text);
}
- $$.c = abc_constructprop2($$.c, &m, len);
- $$.t = $2;
}
-FUNCTIONCALL : T_IDENTIFIER '(' MAYBE_EXPRESSION_LIST ')' {
- /* TODO: use abc_call (for calling local variables),
- abc_callstatic (for calling own methods) */
- $$.c = code_new();
- $$.c = abc_findpropstrict($$.c, $1->text);
- typedcode_list_t*l = $3;
- int len = 0;
- while(l) {
- $$.c = code_append($$.c, l->typedcode->c); // push parameters on stack
- l = l->next;
- len ++;
- }
- $$.c = abc_callproperty($$.c, $1->text, len);
- /* TODO: look up the functions's return value */
- $$.t = TYPE_ANY;
-}
-MAYBE_EXPRESSION_LIST : {$$=0;}
-MAYBE_EXPRESSION_LIST : EXPRESSION_LIST
-EXPRESSION_LIST : EXPRESSION {$$=list_new();
- typedcode_t*t = malloc(sizeof(typedcode_t));
- *t = $1;
- list_append($$, t);}
-EXPRESSION_LIST : EXPRESSION_LIST ',' EXPRESSION {$$=$1;
- typedcode_t*t = malloc(sizeof(typedcode_t));
- *t = $3;
- list_append($$, t);}
+// ------------------------------------------------------------------------------
+
+
+TYPE : QNAME {$$=$1;}
+ | '*' {$$=registry_getanytype();}
+ | "String" {$$=registry_getstringclass();}
+ | "int" {$$=registry_getintclass();}
+ | "uint" {$$=registry_getuintclass();}
+ | "Boolean" {$$=registry_getbooleanclass();}
+ | "Number" {$$=registry_getnumberclass();}
+
+MAYBETYPE: ':' TYPE {$$=$2;}
+MAYBETYPE: {$$=0;}
+
+//FUNCTION_HEADER: NAMESPACE MODIFIERS T_FUNCTION GETSET T_IDENTIFIER '(' PARAMS ')'
+FUNCTION_HEADER: MODIFIERS "function" GETSET T_IDENTIFIER '(' MAYBE_PARAM_LIST ')'
+ MAYBETYPE
+
+NAMESPACE_DECLARATION : MODIFIERS KW_NAMESPACE T_IDENTIFIER
+NAMESPACE_DECLARATION : MODIFIERS KW_NAMESPACE T_IDENTIFIER '=' T_IDENTIFIER
+NAMESPACE_DECLARATION : MODIFIERS KW_NAMESPACE T_IDENTIFIER '=' T_STRING
+
+//NAMESPACE : {$$=empty_token();}
+//NAMESPACE : T_IDENTIFIER {$$=$1};
+
+CONSTANT : T_BYTE {$$.c = abc_pushbyte(0, $1);
+ //MULTINAME(m, registry_getintclass());
+ //$$.c = abc_coerce2($$.c, &m); // FIXME
+ $$.t = TYPE_INT;
+ }
+CONSTANT : T_SHORT {$$.c = abc_pushshort(0, $1);
+ $$.t = TYPE_INT;
+ }
+CONSTANT : T_INT {$$.c = abc_pushint(0, $1);
+ $$.t = TYPE_INT;
+ }
+CONSTANT : T_UINT {$$.c = abc_pushuint(0, $1);
+ $$.t = TYPE_UINT;
+ }
+CONSTANT : T_FLOAT {$$.c = abc_pushdouble(0, $1);
+ $$.t = TYPE_FLOAT;
+ }
+CONSTANT : T_STRING {$$.c = abc_pushstring(0, $1);
+ $$.t = TYPE_STRING;
+ }
+CONSTANT : KW_TRUE {$$.c = abc_pushtrue(0);
+ $$.t = TYPE_BOOLEAN;
+ }
+CONSTANT : KW_FALSE {$$.c = abc_pushfalse(0);
+ $$.t = TYPE_BOOLEAN;
+ }
+CONSTANT : KW_NULL {$$.c = abc_pushnull(0);
+ $$.t = TYPE_NULL;
+ }
+
+USE_NAMESPACE : "use" "namespace" T_IDENTIFIER
-VAR_READ : T_IDENTIFIER {
- int i = find_variable($1->text, &$$.t);
- $$.c = abc_getlocal(0, i);
-}
//VARIABLE : T_IDENTIFIER
//VARIABLE : VARIABLE '.' T_IDENTIFIER
//VARIABLE : VARIABLE "::" '[' EXPRESSION ']' // qualified expression
//VARIABLE : VARIABLE '[' EXPRESSION ']' // unqualified expression
-// keywords which also may be identifiers
-X_IDENTIFIER : T_IDENTIFIER | KW_PACKAGE
-
GETSET : "get" {$$=$1;}
| "set" {$$=$1;}
| {$$=empty_token();}
PARAM: T_IDENTIFIER {$$ = malloc(sizeof(param_t));
$$->name=$1->text;$$->type = TYPE_ANY;}
-DECLARATION : VARIABLE_DECLARATION
-DECLARATION : FUNCTION_DECLARATION
-
IDECLARATION : VARIABLE_DECLARATION
IDECLARATION : FUNCTION_DECLARATION
//IDENTIFIER_LIST : T_IDENTIFIER ',' IDENTIFIER_LIST {extend($3,$1);$$=$3;}
//IDENTIFIER_LIST : T_IDENTIFIER {$$=empty_token();extend($$,$1);}
-PACKAGEANDCLASS : T_IDENTIFIER {
-
- /* try current package */
- $$ = registry_findclass(state->package, $1->text);
-
- /* try explicit imports */
- dictentry_t* e = dict_get_slot(state->imports, $1->text);
- while(e) {
- if($$)
- break;
- if(!strcmp(e->key, $1->text)) {
- $$ = (class_signature_t*)e->data;
- }
- e = e->next;
- }
-
- /* try package.* imports */
- import_list_t*l = state->wildcard_imports;
- while(l) {
- if($$)
- break;
- //printf("does package %s contain a class %s?\n", l->import->package, $1->text);
- $$ = registry_findclass(l->import->package, $1->text);
- l = l->next;
- }
-
- /* try global package */
- if(!$$) {
- $$ = registry_findclass("", $1->text);
- }
+QNAME_LIST : QNAME {$$=list_new();list_append($$, $1);}
+QNAME_LIST : QNAME_LIST ',' QNAME {$$=$1;list_append($$,$3);}
- if(!$$) syntaxerror("Could not find class %s\n", $1->text);
-}
-PACKAGEANDCLASS : PACKAGE '.' T_IDENTIFIER {
- $$ = registry_findclass($1->text, $3->text);
- if(!$$) syntaxerror("Couldn't find class %s.%s\n", $1->text, $3->text);
-}
-
-
-MULTILEVELIDENTIFIER : MULTILEVELIDENTIFIER '.' X_IDENTIFIER {$$=$1;extend_s($$, ".", $3)}
-MULTILEVELIDENTIFIER : T_IDENTIFIER {$$=$1;extend($$,$1)};
-
-PACKAGEANDCLASS_LIST : PACKAGEANDCLASS {$$=list_new();list_append($$, $1);}
-PACKAGEANDCLASS_LIST : PACKAGEANDCLASS_LIST ',' PACKAGEANDCLASS {$$=$1;list_append($$,$3);}
-
-MAYBE_DECLARATION_LIST :
-MAYBE_DECLARATION_LIST : DECLARATION_LIST
-DECLARATION_LIST : DECLARATION
-DECLARATION_LIST : DECLARATION_LIST DECLARATION
MAYBE_IDECLARATION_LIST :
MAYBE_IDECLARATION_LIST : IDECLARATION_LIST
git.asbjorn.biz / swftools.git / blobdiff