X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/8493347dd9711848398e2d667080110a376be96d..8b8a64c5f9b3e638ee850b3a8a09803328fa7603:/ObjectiveC/Library.mm diff --git a/ObjectiveC/Library.mm b/ObjectiveC/Library.mm index 7ac3bb0..24ff4ce 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 . **/ /* }}} */ @@ -40,6 +40,7 @@ #include #endif +#include "Code.hpp" #include "Error.hpp" #include "JavaScript.hpp" #include "String.hpp" @@ -86,6 +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 @@ -129,6 +134,8 @@ static void (*$objc_setAssociatedObject)(id object, void *key, id value, objc_As static id (*$objc_getAssociatedObject)(id object, void *key); static void (*$objc_removeAssociatedObjects)(id object); +@class NSBlock; + struct BlockLiteral { Class isa; int flags; @@ -301,8 +308,6 @@ static Class NSCFBoolean_; static Class NSCFType_; static Class NSGenericDeallocHandler_; static Class NSZombie_; - -static std::set banned_; #else static Class NSBoolNumber_; #endif @@ -367,7 +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; @@ -380,7 +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; } @@ -394,14 +399,21 @@ JSObjectRef Super::Make(JSContextRef context, id object, Class _class) { return value; } } +bool CYIsKindOfClass(id object, Class _class) { + for (Class isa(object_getClass(object)); isa != NULL; isa = class_getSuperclass(isa)) + if (isa == _class) + return true; + return false; +} + JSObjectRef Instance::Make(JSContextRef context, id object, Flags flags) { - JSObjectRef value(JSObjectMake(context, Instance_, new Instance(object, flags))); - JSObjectSetPrototype(context, value, CYGetClassPrototype(context, object_getClass(object))); + JSObjectRef value(JSObjectMake(context, CYIsKindOfClass(object, NSBlock_) ? FunctionInstance_ : Instance_, new Instance(object, flags))); + CYSetPrototype(context, value, CYGetClassPrototype(context, object_getClass(object))); return value; } Instance::~Instance() { - if ((flags_ & Transient) == 0) + if ((flags_ & Permanent) == 0) [GetValue() release]; } @@ -417,11 +429,11 @@ struct Message_privateData : } }; -JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) { +JSObjectRef CYMakeInstance(JSContextRef context, id object, bool permanent) { Instance::Flags flags; - if (transient) - flags = Instance::Transient; + if (permanent) + flags = Instance::Permanent; else { flags = Instance::None; object = [object retain]; @@ -440,7 +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$getProperty:(NSString *)name; @@ -458,31 +470,32 @@ JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) { - (JSValueRef) cy$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]; @@ -496,6 +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_; @@ -641,7 +663,7 @@ struct PropertyAttributes { /* }}} */ _finline bool CYJSValueIsNSObject(JSContextRef context, JSValueRef value) { - return JSValueIsObjectOfClass(context, value, Instance_); + return JSValueIsObjectOfClass(context, value, Instance_) || JSValueIsObjectOfClass(context, value, FunctionInstance_); } _finline bool CYJSValueIsInstanceOfCachedConstructor(JSContextRef context, JSValueRef value, JSStringRef cache) { @@ -671,7 +693,7 @@ static void BlockClosure_(ffi_cif *cif, void *result, void **arguments, void *ar CYExecuteClosure(cif, result, arguments, arg, &BlockAdapter_); } -NSObject *CYMakeBlock(JSContextRef context, JSObjectRef function, sig::Signature &signature) { +NSBlock *CYMakeBlock(JSContextRef context, JSObjectRef function, sig::Signature &signature) { _assert(__NSMallocBlock__ != Nil); BlockLiteral *literal(reinterpret_cast(malloc(sizeof(BlockLiteral)))); @@ -690,7 +712,7 @@ NSObject *CYMakeBlock(JSContextRef context, JSObjectRef function, sig::Signature descriptor->d_.two_.dispose_helper = &CYDisposeBlock; descriptor->d_.three_.signature = sig::Unparse(*descriptor->internal_->pool_, &signature); - return reinterpret_cast(literal); + return reinterpret_cast(literal); } NSObject *CYCastNSObject(CYPool *pool, JSContextRef context, JSObjectRef object) { @@ -782,7 +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:@"@["]; @@ -798,7 +822,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { else comma = true; if (object == nil || [object cy$JSType] != kJSTypeUndefined) - [json appendString:CYCastNSCYON(object, true)]; + [json appendString:CYCastNSCYON(object, true, objects)]; else { [json appendString:@","]; comma = false; @@ -871,7 +895,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { return kJSTypeBoolean; } -- (NSString *) cy$toCYON:(bool)objective { +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { NSString *value([self boolValue] ? @"true" : @"false"); return objective ? value : [NSString stringWithFormat:@"@%@", value]; } @@ -890,7 +914,9 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { return [[self mutableCopy] autorelease]; } -- (NSString *) cy$toCYON:(bool)objective { +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { + _oassert(objects.insert(self).second); + NSMutableString *json([[[NSMutableString alloc] init] autorelease]); [json appendString:@"@{"]; @@ -905,10 +931,10 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { [json appendString:@","]; else comma = true; - [json appendString:CYCastNSCYON(key, true)]; + [json appendString:CYCastNSCYON(key, true, objects)]; [json appendString:@":"]; NSObject *object([self objectForKey:key]); - [json appendString:CYCastNSCYON(object, true)]; + [json appendString:CYCastNSCYON(object, true, objects)]; } [json appendString:@"}"]; @@ -1028,7 +1054,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { return kJSTypeNumber; } -- (NSString *) cy$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]; } @@ -1046,7 +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]; } @@ -1076,8 +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$hasProperty:(NSString *)name { @@ -1114,8 +1140,8 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { /* Bridge: NSProxy {{{ */ @implementation NSProxy (Cycript) -- (NSString *) cy$toCYON:(bool)objective { - return [[self description] cy$toCYON:objective]; +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { + return [[self description] cy$toCYON:objective inSet:objects]; } @end @@ -1123,10 +1149,12 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { /* Bridge: NSSet {{{ */ @implementation NSSet (Cycript) -- (NSString *) cy$toCYON:(bool)objective { +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { + _oassert(objects.insert(self).second); + NSMutableString *json([[[NSMutableString alloc] init] autorelease]); [json appendString:@"[NSSet setWithArray:"]; - [json appendString:CYCastNSCYON([self allObjects], true)]; + [json appendString:CYCastNSCYON([self allObjects], true, objects)]; [json appendString:@"]]"]; return json; } @@ -1144,7 +1172,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { return kJSTypeString; } -- (NSString *) cy$toCYON:(bool)objective { +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { std::ostringstream str; if (!objective) str << '@'; @@ -1193,7 +1221,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) { return kJSTypeUndefined; } -- (NSString *) cy$toCYON:(bool)objective { +- (NSString *) cy$toCYON:(bool)objective inSet:(std::set &)objects { NSString *value(@"undefined"); return value; // XXX: maybe use the below code, adding @undefined? //return objective ? value : [NSString stringWithFormat:@"@%@", value]; @@ -1255,11 +1283,11 @@ JSValueRef CYCastJSValue(JSContextRef context, NSObject *value) { CYPoolTry { [super dealloc]; } CYObjectiveCatch } -- (NSString *) cy$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$toCYON:objective inSet:objects]; else return [NSString stringWithUTF8String:cyon]; } CYObjectiveCatch } @@ -1297,9 +1325,9 @@ JSValueRef CYCastJSValue(JSContextRef context, NSObject *value) { CYPoolTry { @implementation CYJSArray -- (NSString *) cy$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_ { @@ -1460,8 +1488,10 @@ static SEL CYCastSEL(JSContextRef context, JSValueRef value) { if (JSValueIsObjectOfClass(context, value, Selector_)) { Selector_privateData *internal(reinterpret_cast(JSObjectGetPrivate((JSObjectRef) value))); return reinterpret_cast(internal->value_); - } else - return CYCastPointer(context, value); + } else { + CYPool pool; + return sel_registerName(CYPoolCString(pool, context, value)); + } } void *CYObjectiveC_ExecuteStart(JSContextRef context) { CYSadTry { @@ -1486,30 +1516,49 @@ static void CYObjectiveC_CallFunction(JSContextRef context, ffi_cif *cif, void ( ffi_call(cif, function, value, values); } CYSadCatch() } -static bool CYObjectiveC_PoolFFI(CYPool *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) { CYSadTry { - // XXX: assigning to an indirect id * works for return values, but not for properties and fields +static NSBlock *CYCastNSBlock(CYPool &pool, JSContextRef context, JSValueRef value, sig::Signature *signature) { + if (JSValueIsNull(context, value)) + return nil; + JSObjectRef object(CYCastJSObject(context, value)); - switch (type->primitive) { - case sig::block_P: { - _assert(type->data.signature.count != 0); - sig::Signature signature; - sig::Copy(*pool, signature, type->data.signature); + if (JSValueIsObjectOfClass(context, object, FunctionInstance_)) + return reinterpret_cast(JSObjectGetPrivate(object))->GetValue(); + + if (JSValueIsObjectOfClass(context, object, Instance_)) { + _assert(reinterpret_cast(JSObjectGetPrivate(object))->GetValue() == nil); + return nil; + } + + _assert(JSObjectIsFunction(context, object)); + + _assert(signature != NULL); + _assert(signature->count != 0); + + sig::Signature modified; + modified.count = signature->count + 1; + modified.elements = new(pool) sig::Element[modified.count]; - sig::Element *elements(new(*pool) sig::Element[++signature.count]); - elements[0] = signature.elements[0]; - memcpy(elements + 2, signature.elements + 1, sizeof(sig::Element) * (signature.count - 2)); - signature.elements = elements; + modified.elements[0] = signature->elements[0]; + memcpy(modified.elements + 2, signature->elements + 1, sizeof(sig::Element) * (signature->count - 1)); - elements[1].name = NULL; - elements[1].type = new(*pool) sig::Type(); - elements[1].offset = _not(size_t); + modified.elements[1].name = NULL; + modified.elements[1].type = new(pool) sig::Type(); + modified.elements[1].offset = _not(size_t); - memset(elements[1].type, 0, sizeof(sig::Type)); - elements[1].type->primitive = sig::object_P; + memset(modified.elements[1].type, 0, sizeof(sig::Type)); + modified.elements[1].type->primitive = sig::object_P; - JSObjectRef function(CYCastJSObject(context, value)); - *reinterpret_cast(data) = CYMakeBlock(context, function, signature); - } break; + return CYMakeBlock(context, object, modified); +} + +static bool CYObjectiveC_PoolFFI(CYPool *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) { CYSadTry { + // XXX: assigning to an indirect id * works for return values, but not for properties and fields + + switch (type->primitive) { + case sig::block_P: + // XXX: this function might not handle the idea of a null pool + *reinterpret_cast(data) = CYCastNSBlock(*pool, context, value, &type->data.signature); + break; case sig::object_P: case sig::typename_P: @@ -1572,24 +1621,6 @@ static bool CYImplements(id object, Class _class, SEL selector, bool devoid = fa return false; } -static const char *CYPoolTypeEncoding(CYPool &pool, JSContextRef context, SEL sel, objc_method *method) { - if (method != NULL) - return method_getTypeEncoding(method); - - const char *name(sel_getName(sel)); - size_t length(strlen(name)); - - char keyed[length + 2]; - keyed[0] = '6'; - keyed[length + 1] = '\0'; - memcpy(keyed + 1, name, length); - - if (CYBridgeEntry *entry = CYBridgeHash(keyed, length + 1)) - return entry->value_; - - return NULL; -} - static JSValueRef MessageAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function) { JSObjectRef _this(CYCastJSObject(context, values[0])); return CYCallAsFunction(context, function, _this, count - 2, values + 2); @@ -1648,11 +1679,8 @@ static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStr CYPool pool; const char *name(CYPoolCString(pool, context, property)); - SEL sel(sel_registerName(name)); - objc_method *method(class_getInstanceMethod(_class, sel)); - const char *type; IMP imp; @@ -1660,10 +1688,29 @@ static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStr Message_privateData *message(reinterpret_cast(JSObjectGetPrivate((JSObjectRef) value))); type = sig::Unparse(pool, &message->signature_); imp = reinterpret_cast(message->GetValue()); - } else { - type = CYPoolTypeEncoding(pool, context, sel, method); + } else if (objc_method *method = class_getInstanceMethod(_class, sel)) { + type = method_getTypeEncoding(method); imp = CYMakeMessage(context, value, type); - } + } else _assert(false); + + objc_method *method(NULL); +#if OBJC_API_VERSION >= 2 + unsigned int size; + objc_method **methods(class_copyMethodList(_class, &size)); + for (size_t i(0); i != size; ++i) + if (sel_isEqual(method_getName(methods[i]), sel)) { + method = methods[i]; + break; + } + free(methods); +#else + for (objc_method_list *methods(_class->methods); methods != NULL; methods = methods->method_next) + for (int i(0); i != methods->method_count; ++i) + if (sel_isEqual(method_getName(&methods->method_list[i]), sel)) { + method = &methods->method_list[i]; + break; + } +#endif if (method != NULL) method_setImplementation(method, imp); @@ -1927,42 +1974,37 @@ static JSObjectRef Instance_callAsConstructor(JSContextRef context, JSObjectRef return value; } CYCatch(NULL) } -static JSValueRef Instance_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { - Instance *internal(reinterpret_cast(JSObjectGetPrivate(object))); - id self(internal->GetValue()); - - if (![self isKindOfClass:NSBlock_]) - CYThrow("non-NSBlock object is not a function"); - // XXX: replace above logic with the following assertion - //_assert([self isKindOfClass:NSBlock_]); - // to do this, make it so FunctionInstance_ is the class of blocks - // to do /that/, generalize the various "is exactly Instance_" checks - // then, move Instance_callAsFunction to only be on FunctionInstance - +static const char *CYBlockEncoding(NSBlock *self) { BlockLiteral *literal(reinterpret_cast(self)); + if ((literal->flags & BLOCK_HAS_SIGNATURE) == 0) + return NULL; + uint8_t *descriptor(reinterpret_cast(literal->descriptor)); + descriptor += sizeof(BlockDescriptor1); + if ((literal->flags & BLOCK_HAS_COPY_DISPOSE) != 0) + descriptor += sizeof(BlockDescriptor2); + BlockDescriptor3 *descriptor3(reinterpret_cast(descriptor)); + return descriptor3->signature; +} - if ((literal->flags & BLOCK_HAS_SIGNATURE) != 0) { - uint8_t *descriptor(reinterpret_cast(literal->descriptor)); - descriptor += sizeof(BlockDescriptor1); - if ((literal->flags & BLOCK_HAS_COPY_DISPOSE) != 0) - descriptor += sizeof(BlockDescriptor2); - BlockDescriptor3 *descriptor3(reinterpret_cast(descriptor)); +static JSValueRef FunctionInstance_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { + Instance *internal(reinterpret_cast(JSObjectGetPrivate(object))); + id self(internal->GetValue()); - if (const char *type = descriptor3->signature) { - CYPool pool; + if (const char *encoding = CYBlockEncoding(self)) { + CYPool pool; - void *setup[1]; - setup[0] = &self; + void *setup[1]; + setup[0] = &self; - sig::Signature signature; - sig::Parse(pool, &signature, type, &Structor_); + sig::Signature signature; + sig::Parse(pool, &signature, encoding, &Structor_); - ffi_cif cif; - sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif); + ffi_cif cif; + sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif); - void (*function)() = reinterpret_cast(literal->invoke); - return CYCallFunction(pool, context, 1, setup, count, arguments, false, &signature, &cif, function); - } + BlockLiteral *literal(reinterpret_cast(self)); + void (*function)() = reinterpret_cast(literal->invoke); + return CYCallFunction(pool, context, 1, setup, count, arguments, false, &signature, &cif, function); } if (count != 0) @@ -2024,6 +2066,7 @@ static void CYBitField(unsigned &length, unsigned &shift, id self, Ivar ivar, co break; else if (ivar_getOffset(ivars[i]) == offset) { const char *encoding(ivar_getTypeEncoding(ivars[i])); + _assert(encoding != NULL); _assert(encoding[0] == 'b'); shift += CYCastDouble(encoding + 1); } @@ -2047,6 +2090,7 @@ static JSValueRef Internal_getProperty(JSContextRef context, JSObjectRef object, void *data(reinterpret_cast(self) + offset); const char *encoding(ivar_getTypeEncoding(ivar)); + _assert(encoding != NULL); if (encoding[0] == 'b') { unsigned length, shift; CYBitField(length, shift, self, ivar, encoding, offset); @@ -2055,8 +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); } } @@ -2075,6 +2119,7 @@ static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStr void *data(reinterpret_cast(self) + offset); const char *encoding(ivar_getTypeEncoding(ivar)); + _assert(encoding != NULL); if (encoding[0] == 'b') { unsigned length, shift; CYBitField(length, shift, self, ivar, encoding, offset); @@ -2083,8 +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; } } @@ -2124,6 +2169,11 @@ static JSValueRef Internal_callAsFunction_$cya(JSContextRef context, JSObjectRef return internal->GetOwner(); } CYCatch(NULL) } +static bool ObjectiveC_Classes_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) { + CYPool pool; + return objc_getClass(CYPoolCString(pool, context, property)) != Nil; +} + static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry { CYPool pool; NSString *name(CYCastNSString(&pool, context, property)); @@ -2303,8 +2353,14 @@ static void choose_(task_t task, void *baton, unsigned type, vm_range_t *ranges, if (result == choice->query_.end()) continue; - // XXX: if (size < class_getInstanceSize(*result)) - if ((class_getInstanceSize(*result) + 15) / 16 * 16 != size) + size_t needed(class_getInstanceSize(*result)); + // XXX: if (size < needed) + + size_t boundary(496); +#ifdef __LP64__ + boundary *= 2; +#endif + if (needed <= boundary && (needed + 15) / 16 * 16 != size || needed > boundary && (needed + 511) / 512 * 512 != size) continue; CYArrayPush(context, choice->results_, CYCastJSValue(context, reinterpret_cast(data))); } @@ -2562,6 +2618,18 @@ static JSValueRef CYValue_callAsFunction_$cya(JSContextRef context, JSObjectRef return CYMakePointer(context, &internal->value_, _not(size_t), type, ffi, object); } CYCatch(NULL) } +static JSValueRef FunctionInstance_getProperty_type(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry { + Instance *internal(reinterpret_cast(JSObjectGetPrivate(object))); + const char *encoding(CYBlockEncoding(internal->GetValue())); + if (encoding == NULL) + return CYJSNull(context); + // XXX: this should be stored on a FunctionInstance private value subclass + CYPool pool; + sig::Signature signature; + sig::Parse(pool, &signature, encoding, &Structor_); + return CYMakeType(context, &signature); +} CYCatch(NULL) } + static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry { Instance *internal(reinterpret_cast(JSObjectGetPrivate(object))); return Instance::Make(context, (id) object_getClass(internal->GetValue())); @@ -2584,11 +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 { @@ -2662,16 +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 { @@ -2701,15 +2766,9 @@ static JSValueRef Selector_callAsFunction_type(JSContextRef context, JSObjectRef Selector_privateData *internal(reinterpret_cast(JSObjectGetPrivate(_this))); SEL sel(internal->GetValue()); - objc_method *method; - if (Class _class = CYCastClass(pool, context, arguments[0])) - method = class_getInstanceMethod(_class, sel); - else - method = NULL; - - const char *encoding(CYPoolTypeEncoding(pool, context, sel, method)); - if (encoding == NULL) - return CYJSNull(context); + Class _class(_require(CYCastClass(pool, context, arguments[0]))); + objc_method *method(_require(class_getInstanceMethod(_class, sel))); + const char *encoding(method_getTypeEncoding(method)); sig::Signature signature; sig::Parse(pool, &signature, encoding, &Structor_); @@ -2721,6 +2780,7 @@ static JSStaticValue Selector_staticValues[2] = { {NULL, NULL, NULL, 0} }; +// XXX: this is sadly duplicated in FunctionInstance_staticValues static JSStaticValue Instance_staticValues[5] = { {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, {"messages", &Instance_getProperty_messages, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, @@ -2729,6 +2789,16 @@ static JSStaticValue Instance_staticValues[5] = { {NULL, NULL, NULL, 0} }; +static JSStaticValue FunctionInstance_staticValues[6] = { + {"type", &FunctionInstance_getProperty_type, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, + // XXX: this is sadly a duplicate of Instance_staticValues + {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, + {"messages", &Instance_getProperty_messages, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, + {"prototype", &Instance_getProperty_prototype, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, + {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, + {NULL, NULL, NULL, 0} +}; + static JSStaticFunction Instance_staticFunctions[7] = { {"$cya", &CYValue_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, {"toCYON", &Instance_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, @@ -2770,8 +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"); @@ -2791,12 +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 @@ -2813,7 +2877,6 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry { definition.deleteProperty = &Instance_deleteProperty; definition.getPropertyNames = &Instance_getPropertyNames; definition.callAsConstructor = &Instance_callAsConstructor; - definition.callAsFunction = &Instance_callAsFunction; definition.hasInstance = &Instance_hasInstance; definition.finalize = &CYFinalize; Instance_ = JSClassCreate(&definition); @@ -2824,9 +2887,6 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry { definition.className = "BooleanInstance"; BooleanInstance_ = JSClassCreate(&definition); - definition.className = "FunctionInstance"; - FunctionInstance_ = JSClassCreate(&definition); - definition.className = "NumberInstance"; NumberInstance_ = JSClassCreate(&definition); @@ -2836,6 +2896,11 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry { definition.className = "StringInstance"; StringInstance_ = JSClassCreate(&definition); + definition.className = "FunctionInstance"; + definition.staticValues = FunctionInstance_staticValues; + definition.callAsFunction = &FunctionInstance_callAsFunction; + FunctionInstance_ = JSClassCreate(&definition); + definition = kJSClassDefinitionEmpty; definition.className = "Class"; definition.staticFunctions = Class_staticFunctions; @@ -2887,6 +2952,7 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry { definition = kJSClassDefinitionEmpty; definition.className = "ObjectiveC::Classes"; + definition.hasProperty = &ObjectiveC_Classes_hasProperty; definition.getProperty = &ObjectiveC_Classes_getProperty; definition.getPropertyNames = &ObjectiveC_Classes_getPropertyNames; ObjectiveC_Classes_ = JSClassCreate(&definition); @@ -2918,12 +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() } @@ -2966,41 +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); @@ -3015,11 +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, @@ -3029,13 +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); @@ -3045,7 +3107,8 @@ extern "C" void CydgetMemoryParse(const uint16_t **data, size_t *size) { try { CYPool pool; CYUTF8String utf8(CYPoolUTF8String(pool, CYUTF16String(*data, *size))); - utf8 = CYPoolCode(pool, utf8); + CYStream stream(utf8.data, utf8.data + utf8.size); + utf8 = CYPoolCode(pool, stream); CYUTF16String utf16(CYPoolUTF16String(pool, CYUTF8String(utf8.data, utf8.size))); size_t bytes(utf16.size * sizeof(uint16_t));