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Adding __proto__ getters and setter.

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rogerl%netscape.com 2003-05-08 16:09:47 +00:00
parent 26e84c6e93
commit d06c1ebcbc
1 changed files with 38 additions and 2 deletions
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40
js2/src/js2metadata.cpp
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@ -3741,6 +3741,27 @@ static const uint8 urlCharType[256] =
}
}
static js2val Object_underbarProtoGet(JS2Metadata *meta, const js2val thisValue, js2val /* argv */ [], uint32 /* argc */)
{
ASSERT(JS2VAL_IS_OBJECT(thisValue));
JS2Object *obj = JS2VAL_TO_OBJECT(thisValue);
if (obj->kind == SimpleInstanceKind)
return (checked_cast<SimpleInstance *>(obj))->super;
else
return JS2VAL_UNDEFINED;
}
static js2val Object_underbarProtoSet(JS2Metadata *meta, const js2val thisValue, js2val *argv, uint32 argc)
{
ASSERT(JS2VAL_IS_OBJECT(thisValue));
JS2Object *obj = JS2VAL_TO_OBJECT(thisValue);
if ((argc > 0) && (obj->kind == SimpleInstanceKind)) {
(checked_cast<SimpleInstance *>(obj))->super = argv[0];
return argv[0];
}
return JS2VAL_UNDEFINED;
}
static js2val Object_valueOf(JS2Metadata *meta, const js2val thisValue, js2val /* argv */ [], uint32 /* argc */)
{
return thisValue;
@ -3808,7 +3829,8 @@ bool nullClass_BracketDelete(JS2Metadata *meta, js2val base, JS2Class *limit, Mu
// A 'forbidden' member, used to mark hidden bindings
forbiddenMember = new LocalMember(Member::ForbiddenMember, true);
Variable *v;
Variable *v;
FunctionInstance *fInst = NULL;
// XXX Built-in Attributes... XXX
/*
@ -3860,8 +3882,22 @@ XXX see EvalAttributeExpression, where identifiers are being handled for now...
addGlobalObjectFunction("version", GlobalObject_version, 1);
// Add __proto__ as a getter instance member to Object
Multiname mn(&world.identifiers["__proto__"], publicNamespace);
fInst = new FunctionInstance(this, functionClass->prototype, functionClass);
fInst->fWrap = new FunctionWrapper(true, new ParameterFrame(JS2VAL_VOID, true), Object_underbarProtoGet, env);
fInst->fWrap->length = 0;
InstanceGetter *g = new InstanceGetter(&mn, fInst, objectClass, true, true);
defineInstanceMember(objectClass, &cxt, mn.name, *mn.nsList, Attribute::NoOverride, false, g, 0);
fInst = new FunctionInstance(this, functionClass->prototype, functionClass);
fInst->fWrap = new FunctionWrapper(true, new ParameterFrame(JS2VAL_VOID, true), Object_underbarProtoSet, env);
fInst->fWrap->length = 0;
InstanceSetter *s = new InstanceSetter(&mn, fInst, objectClass, true, true);
defineInstanceMember(objectClass, &cxt, mn.name, *mn.nsList, Attribute::NoOverride, false, g, 0);
// Adding 'toString' to the Object.prototype XXX Or make this a static class member?
FunctionInstance *fInst = new FunctionInstance(this, functionClass->prototype, functionClass);
fInst = new FunctionInstance(this, functionClass->prototype, functionClass);
fInst->fWrap = new FunctionWrapper(true, new ParameterFrame(JS2VAL_VOID, true), Object_toString, env);
fInst->fWrap->length = 0;
createDynamicProperty(JS2VAL_TO_OBJECT(objectClass->prototype), engine->toString_StringAtom, OBJECT_TO_JS2VAL(fInst), ReadAccess, true, false);