ref: 598de57d76b9b3ff421d1d737eca0b88e0d020a3
dir: /jsobject.c/
#include "jsi.h"
#include "jsvalue.h"
#include "jsbuiltin.h"
static void jsB_new_Object(js_State *J, unsigned int argc)
{
if (argc == 0 || js_isundefined(J, 1) || js_isnull(J, 1))
js_newobject(J);
else
js_pushobject(J, js_toobject(J, 1));
}
static void jsB_Object(js_State *J, unsigned int argc)
{
if (argc == 0 || js_isundefined(J, 1) || js_isnull(J, 1))
js_newobject(J);
else
js_pushobject(J, js_toobject(J, 1));
}
static void Op_toString(js_State *J, unsigned int argc)
{
js_Object *self = js_toobject(J, 0);
switch (self->type) {
case JS_COBJECT: js_pushliteral(J, "[object Object]"); break;
case JS_CARRAY: js_pushliteral(J, "[object Array]"); break;
case JS_CFUNCTION: js_pushliteral(J, "[object Function]"); break;
case JS_CSCRIPT: js_pushliteral(J, "[object Function]"); break;
case JS_CCFUNCTION: js_pushliteral(J, "[object Function]"); break;
case JS_CERROR: js_pushliteral(J, "[object Error]"); break;
case JS_CBOOLEAN: js_pushliteral(J, "[object Boolean]"); break;
case JS_CNUMBER: js_pushliteral(J, "[object Number]"); break;
case JS_CSTRING: js_pushliteral(J, "[object String]"); break;
case JS_CREGEXP: js_pushliteral(J, "[object RegExp]"); break;
case JS_CDATE: js_pushliteral(J, "[object Date]"); break;
case JS_CMATH: js_pushliteral(J, "[object Math]"); break;
case JS_CJSON: js_pushliteral(J, "[object JSON]"); break;
case JS_CITERATOR: js_pushliteral(J, "[Iterator]"); break;
case JS_CUSERDATA:
js_pushliteral(J, "[object ");
js_pushliteral(J, self->u.user.tag);
js_concat(J);
js_pushliteral(J, "]");
js_concat(J);
break;
}
}
static void Op_valueOf(js_State *J, unsigned int argc)
{
js_copy(J, 0);
}
static void Op_hasOwnProperty(js_State *J, unsigned int argc)
{
js_Object *self = js_toobject(J, 0);
const char *name = js_tostring(J, 1);
js_Property *ref = jsV_getownproperty(J, self, name);
js_pushboolean(J, ref != NULL);
}
static void Op_isPrototypeOf(js_State *J, unsigned int argc)
{
js_Object *self = js_toobject(J, 0);
if (js_isobject(J, 1)) {
js_Object *V = js_toobject(J, 1);
do {
V = V->prototype;
if (V == self) {
js_pushboolean(J, 1);
return;
}
} while (V);
}
js_pushboolean(J, 0);
}
static void Op_propertyIsEnumerable(js_State *J, unsigned int argc)
{
js_Object *self = js_toobject(J, 0);
const char *name = js_tostring(J, 1);
js_Property *ref = jsV_getownproperty(J, self, name);
js_pushboolean(J, ref && !(ref->atts & JS_DONTENUM));
}
static void O_getPrototypeOf(js_State *J, unsigned int argc)
{
js_Object *obj;
if (!js_isobject(J, 1))
js_typeerror(J, "not an object");
obj = js_toobject(J, 1);
if (obj->prototype)
js_pushobject(J, obj->prototype);
else
js_pushnull(J);
}
static void O_getOwnPropertyDescriptor(js_State *J, unsigned int argc)
{
js_Object *obj;
js_Property *ref;
if (!js_isobject(J, 1))
js_typeerror(J, "not an object");
obj = js_toobject(J, 1);
ref = jsV_getproperty(J, obj, js_tostring(J, 2));
if (!ref)
js_pushundefined(J);
else {
js_newobject(J);
if (!ref->getter && !ref->setter) {
js_pushvalue(J, ref->value);
js_setproperty(J, -2, "value");
js_pushboolean(J, !(ref->atts & JS_READONLY));
js_setproperty(J, -2, "writable");
} else {
if (ref->getter)
js_pushobject(J, ref->getter);
else
js_pushundefined(J);
js_setproperty(J, -2, "get");
if (ref->setter)
js_pushobject(J, ref->setter);
else
js_pushundefined(J);
js_setproperty(J, -2, "set");
}
js_pushboolean(J, !(ref->atts & JS_DONTENUM));
js_setproperty(J, -2, "enumerable");
js_pushboolean(J, !(ref->atts & JS_DONTCONF));
js_setproperty(J, -2, "configurable");
}
}
static void O_getOwnPropertyNames(js_State *J, unsigned int argc)
{
js_Object *obj;
js_Property *ref;
unsigned int k;
int i;
if (!js_isobject(J, 1))
js_typeerror(J, "not an object");
obj = js_toobject(J, 1);
js_newarray(J);
i = 0;
for (ref = obj->head; ref; ref = ref->next) {
js_pushliteral(J, ref->name);
js_setindex(J, -2, i++);
}
if (obj->type == JS_CARRAY) {
js_pushliteral(J, "length");
js_setindex(J, -2, i++);
}
if (obj->type == JS_CSTRING) {
js_pushliteral(J, "length");
js_setindex(J, -2, i++);
for (k = 0; k < obj->u.s.length; ++k) {
js_pushnumber(J, k);
js_setindex(J, -2, i++);
}
}
if (obj->type == JS_CREGEXP) {
js_pushliteral(J, "source");
js_setindex(J, -2, i++);
js_pushliteral(J, "global");
js_setindex(J, -2, i++);
js_pushliteral(J, "ignoreCase");
js_setindex(J, -2, i++);
js_pushliteral(J, "multiline");
js_setindex(J, -2, i++);
js_pushliteral(J, "lastIndex");
js_setindex(J, -2, i++);
}
}
static void ToPropertyDescriptor(js_State *J, js_Object *obj, const char *name, js_Object *desc)
{
int haswritable = 0;
int hasvalue = 0;
int enumerable = 0;
int configurable = 0;
int writable = 0;
int atts = 0;
js_pushobject(J, obj);
js_pushobject(J, desc);
if (js_hasproperty(J, -1, "writable")) {
haswritable = 1;
writable = js_toboolean(J, -1);
js_pop(J, 1);
}
if (js_hasproperty(J, -1, "enumerable")) {
enumerable = js_toboolean(J, -1);
js_pop(J, 1);
}
if (js_hasproperty(J, -1, "configurable")) {
configurable = js_toboolean(J, -1);
js_pop(J, 1);
}
if (js_hasproperty(J, -1, "value")) {
hasvalue = 1;
js_setproperty(J, -3, name);
}
if (!writable) atts |= JS_READONLY;
if (!enumerable) atts |= JS_DONTENUM;
if (!configurable) atts |= JS_DONTCONF;
if (js_hasproperty(J, -1, "get")) {
if (haswritable || hasvalue)
js_typeerror(J, "value/writable and get/set attributes are exclusive");
} else {
js_pushundefined(J);
}
if (js_hasproperty(J, -2, "set")) {
if (haswritable || hasvalue)
js_typeerror(J, "value/writable and get/set attributes are exclusive");
} else {
js_pushundefined(J);
}
js_defaccessor(J, -4, name, atts);
js_pop(J, 2);
}
static void O_defineProperty(js_State *J, unsigned int argc)
{
if (!js_isobject(J, 1)) js_typeerror(J, "not an object");
if (!js_isobject(J, 3)) js_typeerror(J, "not an object");
ToPropertyDescriptor(J, js_toobject(J, 1), js_tostring(J, 2), js_toobject(J, 3));
js_copy(J, 1);
}
static void O_defineProperties(js_State *J, unsigned int argc)
{
js_Object *props;
js_Property *ref;
if (!js_isobject(J, 1)) js_typeerror(J, "not an object");
if (!js_isobject(J, 2)) js_typeerror(J, "not an object");
props = js_toobject(J, 2);
for (ref = props->head; ref; ref = ref->next) {
if (!(ref->atts & JS_DONTENUM)) {
js_pushvalue(J, ref->value);
ToPropertyDescriptor(J, js_toobject(J, 1), ref->name, js_toobject(J, -1));
js_pop(J, 1);
}
}
js_copy(J, 1);
}
static void O_create(js_State *J, unsigned int argc)
{
js_Object *obj;
js_Object *proto;
js_Object *props;
js_Property *ref;
if (js_isobject(J, 1))
proto = js_toobject(J, 1);
else if (js_isnull(J, 1))
proto = NULL;
else
js_typeerror(J, "not an object or null");
obj = jsV_newobject(J, JS_COBJECT, proto);
js_pushobject(J, obj);
if (js_isdefined(J, 2)) {
if (!js_isobject(J, 2)) js_typeerror(J, "not an object");
props = js_toobject(J, 2);
for (ref = props->head; ref; ref = ref->next) {
if (!(ref->atts & JS_DONTENUM)) {
if (ref->value.type != JS_TOBJECT) js_typeerror(J, "not an object");
ToPropertyDescriptor(J, obj, ref->name, ref->value.u.object);
}
}
}
}
static void O_keys(js_State *J, unsigned int argc)
{
js_Object *obj;
js_Property *ref;
unsigned int k;
int i;
if (!js_isobject(J, 1))
js_typeerror(J, "not an object");
obj = js_toobject(J, 1);
js_newarray(J);
i = 0;
for (ref = obj->head; ref; ref = ref->next) {
if (!(ref->atts & JS_DONTENUM)) {
js_pushliteral(J, ref->name);
js_setindex(J, -2, i++);
}
}
if (obj->type == JS_CSTRING) {
for (k = 0; k < obj->u.s.length; ++k) {
js_pushnumber(J, k);
js_setindex(J, -2, i++);
}
}
}
static void O_preventExtensions(js_State *J, unsigned int argc)
{
if (!js_isobject(J, 1))
js_typeerror(J, "not an object");
js_toobject(J, 1)->extensible = 0;
js_copy(J, 1);
}
static void O_isExtensible(js_State *J, unsigned int argc)
{
if (!js_isobject(J, 1))
js_typeerror(J, "not an object");
js_pushboolean(J, js_toobject(J, 1)->extensible);
}
static void O_seal(js_State *J, unsigned int argc)
{
js_Object *obj;
js_Property *ref;
if (!js_isobject(J, 1))
js_typeerror(J, "not an object");
obj = js_toobject(J, 1);
obj->extensible = 0;
for (ref = obj->head; ref; ref = ref->next)
ref->atts |= JS_DONTCONF;
js_copy(J, 1);
}
static void O_isSealed(js_State *J, unsigned int argc)
{
js_Object *obj;
js_Property *ref;
if (!js_isobject(J, 1))
js_typeerror(J, "not an object");
obj = js_toobject(J, 1);
if (obj->extensible) {
js_pushboolean(J, 0);
return;
}
for (ref = obj->head; ref; ref = ref->next) {
if (!(ref->atts & JS_DONTCONF)) {
js_pushboolean(J, 0);
return;
}
}
js_pushboolean(J, 1);
}
static void O_freeze(js_State *J, unsigned int argc)
{
js_Object *obj;
js_Property *ref;
if (!js_isobject(J, 1))
js_typeerror(J, "not an object");
obj = js_toobject(J, 1);
obj->extensible = 0;
for (ref = obj->head; ref; ref = ref->next)
ref->atts |= JS_READONLY | JS_DONTCONF;
js_copy(J, 1);
}
static void O_isFrozen(js_State *J, unsigned int argc)
{
js_Object *obj;
js_Property *ref;
if (!js_isobject(J, 1))
js_typeerror(J, "not an object");
obj = js_toobject(J, 1);
if (obj->extensible) {
js_pushboolean(J, 0);
return;
}
for (ref = obj->head; ref; ref = ref->next) {
if (!(ref->atts & (JS_READONLY | JS_DONTCONF))) {
js_pushboolean(J, 0);
return;
}
}
js_pushboolean(J, 1);
}
void jsB_initobject(js_State *J)
{
js_pushobject(J, J->Object_prototype);
{
jsB_propf(J, "toString", Op_toString, 0);
jsB_propf(J, "toLocaleString", Op_toString, 0);
jsB_propf(J, "valueOf", Op_valueOf, 0);
jsB_propf(J, "hasOwnProperty", Op_hasOwnProperty, 1);
jsB_propf(J, "isPrototypeOf", Op_isPrototypeOf, 1);
jsB_propf(J, "propertyIsEnumerable", Op_propertyIsEnumerable, 1);
}
js_newcconstructor(J, jsB_Object, jsB_new_Object, 1);
{
/* ES5 */
jsB_propf(J, "getPrototypeOf", O_getPrototypeOf, 1);
jsB_propf(J, "getOwnPropertyDescriptor", O_getOwnPropertyDescriptor, 2);
jsB_propf(J, "getOwnPropertyNames", O_getOwnPropertyNames, 1);
jsB_propf(J, "create", O_create, 2);
jsB_propf(J, "defineProperty", O_defineProperty, 3);
jsB_propf(J, "defineProperties", O_defineProperties, 2);
jsB_propf(J, "seal", O_seal, 1);
jsB_propf(J, "freeze", O_freeze, 1);
jsB_propf(J, "preventExtensions", O_preventExtensions, 1);
jsB_propf(J, "isSealed", O_isSealed, 1);
jsB_propf(J, "isFrozen", O_isFrozen, 1);
jsB_propf(J, "isExtensible", O_isExtensible, 1);
jsB_propf(J, "keys", O_keys, 1);
}
js_defglobal(J, "Object", JS_DONTENUM);
}