X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/7fda0bae4e053e7d462d1580eb7580a8427ed0b7..79492f212da2fcaa4ce44d00fc08530e1630d05b:/ObjectiveC/Library.mm?ds=inline diff --git a/ObjectiveC/Library.mm b/ObjectiveC/Library.mm index 53d0611..cb95509 100644 --- a/ObjectiveC/Library.mm +++ b/ObjectiveC/Library.mm @@ -1,21 +1,21 @@ /* Cycript - Optimizing JavaScript Compiler/Runtime - * Copyright (C) 2009-2013 Jay Freeman (saurik) + * Copyright (C) 2009-2014 Jay Freeman (saurik) */ -/* GNU General Public License, Version 3 {{{ */ +/* GNU Affero General Public License, Version 3 {{{ */ /* - * Cycript is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published - * by the Free Software Foundation, either version 3 of the License, - * or (at your option) any later version. - * - * Cycript is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with Cycript. If not, see . + * GNU Affero General Public License for more details. + + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . **/ /* }}} */ @@ -87,6 +87,10 @@ } return value; \ } +#define _oassert(test) \ + if (!(test)) \ + @throw [NSException exceptionWithName:NSInternalInconsistencyException reason:@"_assert(" #test ")" userInfo:nil]; + #ifndef __APPLE__ #define class_getSuperclass GSObjCSuper #define class_getInstanceVariable GSCGetInstanceVariableDefinition @@ -304,8 +308,6 @@ static Class NSCFBoolean_; static Class NSCFType_; static Class NSGenericDeallocHandler_; static Class NSZombie_; - -static std::set banned_; #else static Class NSBoolNumber_; #endif @@ -370,7 +372,7 @@ JSValueRef CYGetClassPrototype(JSContextRef context, Class self, bool meta) { prototype = CYGetClassPrototype(context, class_getSuperclass(self), meta); JSObjectRef object(JSObjectMake(context, _class, NULL)); - JSObjectSetPrototype(context, object, prototype); + CYSetPrototype(context, object, prototype); CYSetProperty(context, cy, name, object); return object; @@ -383,7 +385,7 @@ _finline JSValueRef CYGetClassPrototype(JSContextRef context, Class self) { JSObjectRef Messages::Make(JSContextRef context, Class _class) { JSObjectRef value(JSObjectMake(context, Messages_, new Messages(_class))); if (Class super = class_getSuperclass(_class)) - JSObjectSetPrototype(context, value, Messages::Make(context, super)); + CYSetPrototype(context, value, Messages::Make(context, super)); return value; } @@ -406,7 +408,7 @@ bool CYIsKindOfClass(id object, Class _class) { JSObjectRef Instance::Make(JSContextRef context, id object, Flags flags) { JSObjectRef value(JSObjectMake(context, CYIsKindOfClass(object, NSBlock_) ? FunctionInstance_ : Instance_, new Instance(object, flags))); - JSObjectSetPrototype(context, value, CYGetClassPrototype(context, object_getClass(object))); + CYSetPrototype(context, value, CYGetClassPrototype(context, object_getClass(object))); return value; } @@ -450,7 +452,7 @@ JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) { - (JSType) cy$JSType; - (JSValueRef) cy$toJSON:(NSString *)key inContext:(JSContextRef)context; -- (NSString *) cy$toCYON:(bool)objective; +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects; - (bool) cy$hasProperty:(NSString *)name; - (NSObject *) cy$getProperty:(NSString *)name; @@ -468,31 +470,32 @@ JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) { - (JSValueRef) cy$valueOfInContext:(JSContextRef)context; @end -NSString *CYCastNSCYON(id value, bool objective) { +NSString *CYCastNSCYON(id value, bool objective, std::set &objects) { NSString *string; if (value == nil) string = @"nil"; else { Class _class(object_getClass(value)); - SEL sel(@selector(cy$toCYON:)); + SEL sel(@selector(cy$toCYON:inSet:)); - if (objc_method *toCYON = class_getInstanceMethod(_class, sel)) - string = reinterpret_cast(method_getImplementation(toCYON))(value, sel, objective); + if (class_isMetaClass(_class)) { + const char *name(class_getName(value)); + if (class_isMetaClass(value)) + string = [NSString stringWithFormat:@"object_getClass(%s)", name]; + else + string = [NSString stringWithUTF8String:name]; + } else if (objc_method *toCYON = class_getInstanceMethod(_class, sel)) + string = reinterpret_cast &)>(method_getImplementation(toCYON))(value, sel, objective, objects); else if (objc_method *methodSignatureForSelector = class_getInstanceMethod(_class, @selector(methodSignatureForSelector:))) { if (reinterpret_cast(method_getImplementation(methodSignatureForSelector))(value, @selector(methodSignatureForSelector:), sel) != nil) - string = [value cy$toCYON:objective]; + string = [value cy$toCYON:objective inSet:objects]; else goto fail; } else fail: { if (false); #ifdef __APPLE__ - else if (value == NSZombie_) - string = @"_NSZombie_"; else if (_class == NSZombie_) string = [NSString stringWithFormat:@"<_NSZombie_: %p>", value]; - // XXX: frowny /in/ the pants - else if (banned_.find(value) != banned_.end()) - string = nil; #endif else string = [NSString stringWithFormat:@"%@", value]; @@ -506,6 +509,15 @@ NSString *CYCastNSCYON(id value, bool objective) { return string; } +NSString *CYCastNSCYON(id value, bool objective, std::set *objects) { + if (objects != NULL) + return CYCastNSCYON(value, objective, *objects); + else { + std::set objects; + return CYCastNSCYON(value, objective, objects); + } +} + #ifdef __APPLE__ struct PropertyAttributes { CYPool pool_; @@ -792,7 +804,9 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { return [[self mutableCopy] autorelease]; } -- (NSString *) cy$toCYON:(bool)objective { +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { + _oassert(objects.insert(self).second); + NSMutableString *json([[[NSMutableString alloc] init] autorelease]); [json appendString:@"@["]; @@ -808,7 +822,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { else comma = true; if (object == nil || [object cy$JSType] != kJSTypeUndefined) - [json appendString:CYCastNSCYON(object, true)]; + [json appendString:CYCastNSCYON(object, true, objects)]; else { [json appendString:@","]; comma = false; @@ -881,7 +895,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { return kJSTypeBoolean; } -- (NSString *) cy$toCYON:(bool)objective { +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { NSString *value([self boolValue] ? @"true" : @"false"); return objective ? value : [NSString stringWithFormat:@"@%@", value]; } @@ -900,7 +914,9 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { return [[self mutableCopy] autorelease]; } -- (NSString *) cy$toCYON:(bool)objective { +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { + _oassert(objects.insert(self).second); + NSMutableString *json([[[NSMutableString alloc] init] autorelease]); [json appendString:@"@{"]; @@ -915,10 +931,10 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { [json appendString:@","]; else comma = true; - [json appendString:CYCastNSCYON(key, true)]; + [json appendString:CYCastNSCYON(key, true, objects)]; [json appendString:@":"]; NSObject *object([self objectForKey:key]); - [json appendString:CYCastNSCYON(object, true)]; + [json appendString:CYCastNSCYON(object, true, objects)]; } [json appendString:@"}"]; @@ -1038,7 +1054,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { return kJSTypeNumber; } -- (NSString *) cy$toCYON:(bool)objective { +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { NSString *value([self cy$JSType] != kJSTypeBoolean ? [self stringValue] : [self boolValue] ? @"true" : @"false"); return objective ? value : [NSString stringWithFormat:@"@%@", value]; } @@ -1056,7 +1072,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { return kJSTypeNull; } -- (NSString *) cy$toCYON:(bool)objective { +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { NSString *value(@"null"); return objective ? value : [NSString stringWithFormat:@"@%@", value]; } @@ -1086,8 +1102,8 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { return kJSTypeObject; } -- (NSString *) cy$toCYON:(bool)objective { - return [@"#" stringByAppendingString:[[self description] cy$toCYON:true]]; +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { + return [@"#" stringByAppendingString:[[self description] cy$toCYON:true inSet:objects]]; } - (bool) cy$hasProperty:(NSString *)name { @@ -1124,8 +1140,8 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { /* Bridge: NSProxy {{{ */ @implementation NSProxy (Cycript) -- (NSString *) cy$toCYON:(bool)objective { - return [[self description] cy$toCYON:objective]; +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { + return [[self description] cy$toCYON:objective inSet:objects]; } @end @@ -1133,10 +1149,12 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { /* Bridge: NSSet {{{ */ @implementation NSSet (Cycript) -- (NSString *) cy$toCYON:(bool)objective { +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { + _oassert(objects.insert(self).second); + NSMutableString *json([[[NSMutableString alloc] init] autorelease]); [json appendString:@"[NSSet setWithArray:"]; - [json appendString:CYCastNSCYON([self allObjects], true)]; + [json appendString:CYCastNSCYON([self allObjects], true, objects)]; [json appendString:@"]]"]; return json; } @@ -1154,7 +1172,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { return kJSTypeString; } -- (NSString *) cy$toCYON:(bool)objective { +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { std::ostringstream str; if (!objective) str << '@'; @@ -1203,7 +1221,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { return kJSTypeUndefined; } -- (NSString *) cy$toCYON:(bool)objective { +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { NSString *value(@"undefined"); return value; // XXX: maybe use the below code, adding @undefined? //return objective ? value : [NSString stringWithFormat:@"@%@", value]; @@ -1265,11 +1283,11 @@ JSValueRef CYCastJSValue(JSContextRef context, NSObject *value) { CYPoolTry { [super dealloc]; } CYObjectiveCatch } -- (NSString *) cy$toCYON:(bool)objective { CYObjectiveTry { +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { CYObjectiveTry { CYPool pool; - const char *cyon(CYPoolCCYON(pool, context, object_)); + const char *cyon(CYPoolCCYON(pool, context, object_, objects)); if (cyon == NULL) - return [super cy$toCYON:objective]; + return [super cy$toCYON:objective inSet:objects]; else return [NSString stringWithUTF8String:cyon]; } CYObjectiveCatch } @@ -1307,9 +1325,9 @@ JSValueRef CYCastJSValue(JSContextRef context, NSObject *value) { CYPoolTry { @implementation CYJSArray -- (NSString *) cy$toCYON:(bool)objective { CYObjectiveTry { +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { CYObjectiveTry { CYPool pool; - return [NSString stringWithUTF8String:CYPoolCCYON(pool, context, object_)]; + return [NSString stringWithUTF8String:CYPoolCCYON(pool, context, object_, objects)]; } CYObjectiveCatch } - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry_ { @@ -2081,8 +2099,8 @@ static JSValueRef Internal_getProperty(JSContextRef context, JSObjectRef object, uintptr_t mask((1 << length) - 1); return CYCastJSValue(context, (field >> shift) & mask); } else { - Type_privateData type(pool, ivar_getTypeEncoding(ivar)); - return CYFromFFI(context, type.type_, type.GetFFI(), data); + auto type(new(pool) Type_privateData(ivar_getTypeEncoding(ivar))); + return CYFromFFI(context, type->type_, type->GetFFI(), data); } } @@ -2110,8 +2128,8 @@ static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStr uintptr_t mask((1 << length) - 1); field = field & ~(mask << shift) | (uintptr_t(CYCastDouble(context, value)) & mask) << shift; } else { - Type_privateData type(pool, ivar_getTypeEncoding(ivar)); - CYPoolFFI(&pool, context, type.type_, type.GetFFI(), reinterpret_cast(self) + ivar_getOffset(ivar), value); + auto type(new(pool) Type_privateData(ivar_getTypeEncoding(ivar))); + CYPoolFFI(&pool, context, type->type_, type->GetFFI(), reinterpret_cast(self) + ivar_getOffset(ivar), value); return true; } } @@ -2634,11 +2652,13 @@ static JSValueRef Instance_getProperty_messages(JSContextRef context, JSObjectRe } CYCatch(NULL) } static JSValueRef Instance_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { + std::set *objects(CYCastObjects(context, _this, count, arguments)); + if (!CYJSValueIsNSObject(context, _this)) return NULL; Instance *internal(reinterpret_cast(JSObjectGetPrivate(_this))); - return CYCastJSValue(context, CYJSString(context, CYCastNSCYON(internal->GetValue(), false))); + return CYCastJSValue(context, CYJSString(context, CYCastNSCYON(internal->GetValue(), false, objects))); } CYCatch(NULL) } static JSValueRef Instance_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { @@ -2712,16 +2732,11 @@ static JSValueRef Class_callAsFunction_pointerTo(JSContextRef context, JSObjectR if (!CYIsClass(value)) CYThrow("non-Class object cannot be used as Type"); - // XXX: this is a very silly implementation - - std::ostringstream type; - type << "@\""; - type << class_getName(value); - type << "\""; - - CYPoolTry { - return CYMakeType(context, type.str().c_str()); - } CYPoolCatch(NULL) + sig::Type type; + memset(&type, 0, sizeof(type)); + type.primitive = sig::object_P; + type.name = class_getName(value); + return CYMakeType(context, &type); } CYCatch(NULL) return /*XXX*/ NULL; } static JSValueRef Selector_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { @@ -2825,8 +2840,8 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry { CYPool &pool(CYGetGlobalPool()); - Object_type = new(pool) Type_privateData("@"); - Selector_type = new(pool) Type_privateData(":"); + Object_type = new(pool) Type_privateData(sig::object_P); + Selector_type = new(pool) Type_privateData(sig::selector_P); NSArray_ = objc_getClass("NSArray"); NSBlock_ = objc_getClass("NSBlock"); @@ -2846,12 +2861,6 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry { NSCFType_ = objc_getClass("NSCFType"); NSZombie_ = objc_getClass("_NSZombie_"); - - banned_.insert(Object_); - banned_.insert(objc_getClass("__NSAtom")); - banned_.insert(objc_getClass("__NSGenericDeallocHandler")); - banned_.insert(objc_getClass("NSMessageBuilder")); - banned_.insert(objc_getClass("__NSMessageBuilder")); #else NSBoolNumber_ = objc_getClass("NSBoolNumber"); #endif @@ -2975,12 +2984,14 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry { ObjectiveC_Protocols_ = JSClassCreate(&definition); #ifdef __APPLE__ -// XXX: this is horrible; there has to be a better way to do this -#ifdef __LP64__ - class_addMethod(NSCFType_, @selector(cy$toJSON:inContext:), reinterpret_cast(&NSCFType$cy$toJSON$inContext$), "^{OpaqueJSValue=}32@0:8@16^{OpaqueJSContext=}24"); -#else - class_addMethod(NSCFType_, @selector(cy$toJSON:inContext:), reinterpret_cast(&NSCFType$cy$toJSON$inContext$), "^{OpaqueJSValue=}16@0:4@8^{OpaqueJSContext=}12"); -#endif + class_addMethod(NSCFType_, @selector(cy$toJSON:inContext:), reinterpret_cast(&NSCFType$cy$toJSON$inContext$), + // XXX: this is horrible; there has to be a better way to do this + #ifdef __LP64__ + "^{OpaqueJSValue=}32@0:8@16^{OpaqueJSContext=}24" + #else + "^{OpaqueJSValue=}16@0:4@8^{OpaqueJSContext=}12" + #endif + ); #endif } CYPoolCatch() } @@ -3023,41 +3034,41 @@ void CYObjectiveC_SetupContext(JSContextRef context) { CYPoolTry { JSObjectRef ArrayInstance_prototype(CYCastJSObject(context, CYGetProperty(context, ArrayInstance, prototype_s))); CYSetProperty(context, cy, CYJSString("ArrayInstance_prototype"), ArrayInstance_prototype); JSObjectRef Array_prototype(CYGetCachedObject(context, CYJSString("Array_prototype"))); - JSObjectSetPrototype(context, ArrayInstance_prototype, Array_prototype); + CYSetPrototype(context, ArrayInstance_prototype, Array_prototype); JSObjectRef BooleanInstance(JSObjectMakeConstructor(context, BooleanInstance_, NULL)); JSObjectRef BooleanInstance_prototype(CYCastJSObject(context, CYGetProperty(context, BooleanInstance, prototype_s))); CYSetProperty(context, cy, CYJSString("BooleanInstance_prototype"), BooleanInstance_prototype); JSObjectRef Boolean_prototype(CYGetCachedObject(context, CYJSString("Boolean_prototype"))); - JSObjectSetPrototype(context, BooleanInstance_prototype, Boolean_prototype); + CYSetPrototype(context, BooleanInstance_prototype, Boolean_prototype); JSObjectRef FunctionInstance(JSObjectMakeConstructor(context, FunctionInstance_, NULL)); JSObjectRef FunctionInstance_prototype(CYCastJSObject(context, CYGetProperty(context, FunctionInstance, prototype_s))); CYSetProperty(context, cy, CYJSString("FunctionInstance_prototype"), FunctionInstance_prototype); JSObjectRef Function_prototype(CYGetCachedObject(context, CYJSString("Function_prototype"))); - JSObjectSetPrototype(context, FunctionInstance_prototype, Function_prototype); + CYSetPrototype(context, FunctionInstance_prototype, Function_prototype); JSObjectRef NumberInstance(JSObjectMakeConstructor(context, NumberInstance_, NULL)); JSObjectRef NumberInstance_prototype(CYCastJSObject(context, CYGetProperty(context, NumberInstance, prototype_s))); CYSetProperty(context, cy, CYJSString("NumberInstance_prototype"), NumberInstance_prototype); JSObjectRef Number_prototype(CYGetCachedObject(context, CYJSString("Number_prototype"))); - JSObjectSetPrototype(context, NumberInstance_prototype, Number_prototype); + CYSetPrototype(context, NumberInstance_prototype, Number_prototype); JSObjectRef ObjectInstance(JSObjectMakeConstructor(context, ObjectInstance_, NULL)); JSObjectRef ObjectInstance_prototype(CYCastJSObject(context, CYGetProperty(context, ObjectInstance, prototype_s))); CYSetProperty(context, cy, CYJSString("ObjectInstance_prototype"), ObjectInstance_prototype); JSObjectRef Object_prototype(CYGetCachedObject(context, CYJSString("Object_prototype"))); - JSObjectSetPrototype(context, ObjectInstance_prototype, Object_prototype); + CYSetPrototype(context, ObjectInstance_prototype, Object_prototype); JSObjectRef StringInstance(JSObjectMakeConstructor(context, StringInstance_, NULL)); JSObjectRef StringInstance_prototype(CYCastJSObject(context, CYGetProperty(context, StringInstance, prototype_s))); CYSetProperty(context, cy, CYJSString("StringInstance_prototype"), StringInstance_prototype); JSObjectRef String_prototype(CYGetCachedObject(context, CYJSString("String_prototype"))); - JSObjectSetPrototype(context, StringInstance_prototype, String_prototype); + CYSetPrototype(context, StringInstance_prototype, String_prototype); JSObjectRef Class_prototype(CYCastJSObject(context, CYGetProperty(context, Class, prototype_s))); CYSetProperty(context, cy, CYJSString("Class_prototype"), Class_prototype); - JSObjectSetPrototype(context, Class_prototype, Instance_prototype); + CYSetPrototype(context, Class_prototype, Instance_prototype); CYSetProperty(context, cycript, CYJSString("Instance"), Instance); CYSetProperty(context, cycript, CYJSString("Selector"), Selector); @@ -3072,11 +3083,11 @@ void CYObjectiveC_SetupContext(JSContextRef context) { CYPoolTry { CYSetProperty(context, all, CYJSString("objc_msgSend"), &$objc_msgSend, kJSPropertyAttributeDontEnum); - JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Message, prototype_s)), Function_prototype); - JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Selector, prototype_s)), Function_prototype); + CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Message, prototype_s)), Function_prototype); + CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Selector, prototype_s)), Function_prototype); } CYPoolCatch() } -static CYHooks CYObjectiveCHooks = { +static CYHook CYObjectiveCHook = { &CYObjectiveC_ExecuteStart, &CYObjectiveC_ExecuteEnd, &CYObjectiveC_CallFunction, @@ -3086,13 +3097,7 @@ static CYHooks CYObjectiveCHooks = { &CYObjectiveC_FromFFI, }; -struct CYObjectiveC { - CYObjectiveC() { - hooks_ = &CYObjectiveCHooks; - // XXX: evil magic juju to make this actually take effect on a Mac when compiled with autoconf/libtool doom! - _assert(hooks_ != NULL); - } -} CYObjectiveC; +CYRegisterHook CYObjectiveC(&CYObjectiveCHook); extern "C" void CydgetSetupContext(JSGlobalContextRef context) { CYObjectiveTry_ { CYSetupContext(context);