EncodedJSValue JIT_OPERATION operationGetByVal(ExecState* exec, EncodedJSValue encodedBase, EncodedJSValue encodedProperty)
{
VM& vm = exec->vm();
NativeCallFrameTracer tracer(&vm, exec);
JSValue baseValue = JSValue::decode(encodedBase);
JSValue property = JSValue::decode(encodedProperty);
if (LIKELY(baseValue.isCell())) {
JSCell* base = baseValue.asCell();
if (property.isUInt32()) {
return getByVal(exec, base, property.asUInt32());
} else if (property.isDouble()) {
double propertyAsDouble = property.asDouble();
uint32_t propertyAsUInt32 = static_cast<uint32_t>(propertyAsDouble);
if (propertyAsUInt32 == propertyAsDouble)
return getByVal(exec, base, propertyAsUInt32);
} else if (property.isString()) {
Structure& structure = *base->structure(vm);
if (JSCell::canUseFastGetOwnProperty(structure)) {
if (AtomicStringImpl* existingAtomicString = asString(property)->toExistingAtomicString(exec)) {
if (JSValue result = base->fastGetOwnProperty(vm, structure, existingAtomicString))
return JSValue::encode(result);
}
}
}
}
PropertyName propertyName = property.toPropertyKey(exec);
return JSValue::encode(baseValue.get(exec, propertyName));
}
EncodedJSValue DFG_OPERATION operationGetByVal(ExecState* exec, EncodedJSValue encodedBase, EncodedJSValue encodedProperty)
{
JSGlobalData* globalData = &exec->globalData();
NativeCallFrameTracer tracer(globalData, exec);
JSValue baseValue = JSValue::decode(encodedBase);
JSValue property = JSValue::decode(encodedProperty);
if (LIKELY(baseValue.isCell())) {
JSCell* base = baseValue.asCell();
if (property.isUInt32()) {
return getByVal(exec, base, property.asUInt32());
} else if (property.isDouble()) {
double propertyAsDouble = property.asDouble();
uint32_t propertyAsUInt32 = static_cast<uint32_t>(propertyAsDouble);
if (propertyAsUInt32 == propertyAsDouble)
return getByVal(exec, base, propertyAsUInt32);
} else if (property.isString()) {
if (JSValue result = base->fastGetOwnProperty(exec, asString(property)->value(exec)))
return JSValue::encode(result);
}
}
Identifier ident(exec, property.toString(exec)->value(exec));
return JSValue::encode(baseValue.get(exec, ident));
}
