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1 #if defined(__APPLE__) && defined(__arm__)
2 #include <substrate.h>
3 #else
4 #include <objc/objc-api.h>
5 #endif
6
7 #include "ObjectiveC/Internal.hpp"
8
9 #ifdef __APPLE__
10 #include "Struct.hpp"
11 #endif
12
13 #include <Foundation/Foundation.h>
14
15 #include <objc/Protocol.h>
16
17 #include "cycript.hpp"
18
19 #include "ObjectiveC/Internal.hpp"
20
21 #ifdef __APPLE__
22 #include <CoreFoundation/CoreFoundation.h>
23 #include <JavaScriptCore/JSStringRefCF.h>
24 #include <WebKit/WebScriptObject.h>
25 #endif
26
27 #include "Error.hpp"
28 #include "JavaScript.hpp"
29 #include "String.hpp"
30
31 #include <cmath>
32 #include <map>
33
34 #define CYObjectiveTry_(context) { \
35 JSContextRef context_(context); \
36 try
37 #define CYObjectiveTry { \
38 try
39 #define CYObjectiveCatch \
40 catch (const CYException &error) { \
41 @throw CYCastNSObject(NULL, context_, error.CastJSValue(context_)); \
42 } \
43 }
44
45 #define CYPoolTry { \
46 id _saved(nil); \
47 NSAutoreleasePool *_pool([[NSAutoreleasePool alloc] init]); \
48 @try
49 #define CYPoolCatch(value) \
50 @catch (NSException *error) { \
51 _saved = [error retain]; \
52 throw CYJSError(context, CYCastJSValue(context, error)); \
53 return value; \
54 } @finally { \
55 [_pool release]; \
56 if (_saved != nil) \
57 [_saved autorelease]; \
58 } \
59 }
60
61 #ifndef __APPLE__
62 #define class_getSuperclass GSObjCSuper
63 #define class_getInstanceVariable GSCGetInstanceVariableDefinition
64 #define class_getName GSNameFromClass
65
66 #define class_removeMethods(cls, list) GSRemoveMethodList(cls, list, YES)
67
68 #define ivar_getName(ivar) ((ivar)->ivar_name)
69 #define ivar_getOffset(ivar) ((ivar)->ivar_offset)
70 #define ivar_getTypeEncoding(ivar) ((ivar)->ivar_type)
71
72 #define method_getName(method) ((method)->method_name)
73 #define method_getImplementation(method) ((method)->method_imp)
74 #define method_getTypeEncoding(method) ((method)->method_types)
75 #define method_setImplementation(method, imp) ((void) ((method)->method_imp = (imp)))
76
77 #undef objc_getClass
78 #define objc_getClass GSClassFromName
79
80 #define objc_getProtocol GSProtocolFromName
81
82 #define object_getClass GSObjCClass
83
84 #define object_getInstanceVariable(object, name, value) ({ \
85 objc_ivar *ivar(class_getInstanceVariable(object_getClass(object), name)); \
86 if (ivar != NULL) \
87 GSObjCGetVariable(object, ivar_getOffset(ivar), sizeof(void *), value); \
88 ivar; \
89 })
90
91 #define object_setIvar(object, ivar, value) ({ \
92 void *data = (value); \
93 GSObjCSetVariable(object, ivar_getOffset(ivar), sizeof(void *), &data); \
94 })
95
96 #define protocol_getName(protocol) [(protocol) name]
97 #endif
98
99 JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, Class super, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception);
100
101 extern sqlite3 *Bridge_;
102
103 /* Objective-C Pool Release {{{ */
104 apr_status_t CYPoolRelease_(void *data) {
105 id object(reinterpret_cast<id>(data));
106 [object release];
107 return APR_SUCCESS;
108 }
109
110 id CYPoolRelease_(apr_pool_t *pool, id object) {
111 if (object == nil)
112 return nil;
113 else if (pool == NULL)
114 return [object autorelease];
115 else {
116 apr_pool_cleanup_register(pool, object, &CYPoolRelease_, &apr_pool_cleanup_null);
117 return object;
118 }
119 }
120
121 template <typename Type_>
122 Type_ CYPoolRelease(apr_pool_t *pool, Type_ object) {
123 return (Type_) CYPoolRelease_(pool, (id) object);
124 }
125 /* }}} */
126 /* Objective-C Strings {{{ */
127 const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, NSString *value) {
128 if (pool == NULL)
129 return [value UTF8String];
130 else {
131 size_t size([value maximumLengthOfBytesUsingEncoding:NSUTF8StringEncoding] + 1);
132 char *string(new(pool) char[size]);
133 if (![value getCString:string maxLength:size encoding:NSUTF8StringEncoding])
134 throw CYJSError(context, "[NSString getCString:maxLength:encoding:] == NO");
135 return string;
136 }
137 }
138
139 JSStringRef CYCopyJSString(JSContextRef context, NSString *value) {
140 #ifdef __APPLE__
141 return JSStringCreateWithCFString(reinterpret_cast<CFStringRef>(value));
142 #else
143 CYPool pool;
144 return CYCopyJSString(CYPoolCString(pool, context, value));
145 #endif
146 }
147
148 JSStringRef CYCopyJSString(JSContextRef context, NSObject *value) {
149 if (value == nil)
150 return NULL;
151 // XXX: this definition scares me; is anyone using this?!
152 NSString *string([value description]);
153 return CYCopyJSString(context, string);
154 }
155
156 NSString *CYCopyNSString(const CYUTF8String &value) {
157 #ifdef __APPLE__
158 return (NSString *) CFStringCreateWithBytes(kCFAllocatorDefault, reinterpret_cast<const UInt8 *>(value.data), value.size, kCFStringEncodingUTF8, true);
159 #else
160 return [[NSString alloc] initWithBytes:value.data length:value.size encoding:NSUTF8StringEncoding];
161 #endif
162 }
163
164 NSString *CYCopyNSString(JSContextRef context, JSStringRef value) {
165 #ifdef __APPLE__
166 return (NSString *) JSStringCopyCFString(kCFAllocatorDefault, value);
167 #else
168 CYPool pool;
169 return CYCopyNSString(CYPoolUTF8String(pool, context, value));
170 #endif
171 }
172
173 NSString *CYCopyNSString(JSContextRef context, JSValueRef value) {
174 return CYCopyNSString(context, CYJSString(context, value));
175 }
176
177 NSString *CYCastNSString(apr_pool_t *pool, const CYUTF8String &value) {
178 return CYPoolRelease(pool, CYCopyNSString(value));
179 }
180
181 NSString *CYCastNSString(apr_pool_t *pool, SEL sel) {
182 const char *name(sel_getName(sel));
183 return CYPoolRelease(pool, CYCopyNSString(CYUTF8String(name, strlen(name))));
184 }
185
186 NSString *CYCastNSString(apr_pool_t *pool, JSContextRef context, JSStringRef value) {
187 return CYPoolRelease(pool, CYCopyNSString(context, value));
188 }
189
190 CYUTF8String CYCastUTF8String(NSString *value) {
191 NSData *data([value dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:NO]);
192 return CYUTF8String(reinterpret_cast<const char *>([data bytes]), [data length]);
193 }
194 /* }}} */
195
196 JSValueRef CYCastJSValue(JSContextRef context, NSObject *value);
197
198 void CYThrow(JSContextRef context, NSException *error, JSValueRef *exception) {
199 if (exception == NULL)
200 throw error;
201 *exception = CYCastJSValue(context, error);
202 }
203
204 size_t CYGetIndex(NSString *value) {
205 return CYGetIndex(CYCastUTF8String(value));
206 }
207
208 bool CYGetOffset(apr_pool_t *pool, JSContextRef context, NSString *value, ssize_t &index) {
209 return CYGetOffset(CYPoolCString(pool, context, value), index);
210 }
211
212 static JSClassRef Instance_;
213 static JSClassRef Internal_;
214 static JSClassRef Message_;
215 static JSClassRef Messages_;
216 static JSClassRef Selector_;
217 static JSClassRef Super_;
218
219 static JSClassRef ObjectiveC_Classes_;
220 static JSClassRef ObjectiveC_Protocols_;
221
222 #ifdef __APPLE__
223 static JSClassRef ObjectiveC_Image_Classes_;
224 static JSClassRef ObjectiveC_Images_;
225 #endif
226
227 static JSObjectRef Instance_prototype_;
228
229 #ifdef __APPLE__
230 static Class NSCFBoolean_;
231 static Class NSCFType_;
232 static Class NSMessageBuilder_;
233 static Class NSZombie_;
234 #else
235 static Class NSBoolNumber_;
236 #endif
237
238 static Class NSArray_;
239 static Class NSDictionary_;
240 static Class Object_;
241
242 static Type_privateData *Object_type;
243 static Type_privateData *Selector_type;
244
245 Type_privateData *Instance::GetType() const {
246 return Object_type;
247 }
248
249 Type_privateData *Selector_privateData::GetType() const {
250 return Selector_type;
251 }
252
253 // XXX: trick this out with associated objects!
254 JSValueRef CYGetClassPrototype(JSContextRef context, id self) {
255 if (self == nil)
256 return Instance_prototype_;
257
258 // XXX: I need to think through multi-context
259 typedef std::map<id, JSValueRef> CacheMap;
260 static CacheMap cache_;
261
262 JSValueRef &value(cache_[self]);
263 if (value != NULL)
264 return value;
265
266 JSClassRef _class(NULL);
267 JSValueRef prototype;
268
269 if (self == NSArray_)
270 prototype = Array_prototype_;
271 else if (self == NSDictionary_)
272 prototype = Object_prototype_;
273 else
274 prototype = CYGetClassPrototype(context, class_getSuperclass(self));
275
276 JSObjectRef object(JSObjectMake(context, _class, NULL));
277 JSObjectSetPrototype(context, object, prototype);
278
279 JSValueProtect(context, object);
280 value = object;
281 return object;
282 }
283
284 JSObjectRef Messages::Make(JSContextRef context, Class _class, bool array) {
285 JSObjectRef value(JSObjectMake(context, Messages_, new Messages(_class)));
286 if (_class == NSArray_)
287 array = true;
288 if (Class super = class_getSuperclass(_class))
289 JSObjectSetPrototype(context, value, Messages::Make(context, super, array));
290 /*else if (array)
291 JSObjectSetPrototype(context, value, Array_prototype_);*/
292 return value;
293 }
294
295 JSObjectRef Internal::Make(JSContextRef context, id object, JSObjectRef owner) {
296 return JSObjectMake(context, Internal_, new Internal(object, context, owner));
297 }
298
299 namespace cy {
300 JSObjectRef Super::Make(JSContextRef context, id object, Class _class) {
301 JSObjectRef value(JSObjectMake(context, Super_, new Super(object, _class)));
302 return value;
303 } }
304
305 JSObjectRef Instance::Make(JSContextRef context, id object, Flags flags) {
306 JSObjectRef value(JSObjectMake(context, Instance_, new Instance(object, flags)));
307 JSObjectSetPrototype(context, value, CYGetClassPrototype(context, object_getClass(object)));
308 return value;
309 }
310
311 Instance::~Instance() {
312 if ((flags_ & Transient) == 0)
313 // XXX: does this handle background threads correctly?
314 // XXX: this simply does not work on the console because I'm stupid
315 [GetValue() performSelector:@selector(release) withObject:nil afterDelay:0];
316 }
317
318 struct Message_privateData :
319 cy::Functor
320 {
321 SEL sel_;
322
323 Message_privateData(SEL sel, const char *type, IMP value = NULL) :
324 cy::Functor(type, reinterpret_cast<void (*)()>(value)),
325 sel_(sel)
326 {
327 }
328 };
329
330 JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) {
331 Instance::Flags flags;
332
333 if (transient)
334 flags = Instance::Transient;
335 else {
336 flags = Instance::None;
337 object = [object retain];
338 }
339
340 return Instance::Make(context, object, flags);
341 }
342
343 @interface NSMethodSignature (Cycript)
344 - (NSString *) _typeString;
345 @end
346
347 @interface NSObject (Cycript)
348
349 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
350 - (JSType) cy$JSType;
351
352 - (NSObject *) cy$toJSON:(NSString *)key;
353 - (NSString *) cy$toCYON;
354 - (NSString *) cy$toKey;
355
356 - (bool) cy$hasProperty:(NSString *)name;
357 - (NSObject *) cy$getProperty:(NSString *)name;
358 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value;
359 - (bool) cy$deleteProperty:(NSString *)name;
360 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context;
361
362 @end
363
364 @protocol Cycript
365 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
366 @end
367
368 NSString *CYCastNSCYON(id value) {
369 NSString *string;
370
371 if (value == nil)
372 string = @"nil";
373 else {
374 Class _class(object_getClass(value));
375 SEL sel(@selector(cy$toCYON));
376
377 if (objc_method *toCYON = class_getInstanceMethod(_class, sel))
378 string = reinterpret_cast<NSString *(*)(id, SEL)>(method_getImplementation(toCYON))(value, sel);
379 else if (objc_method *methodSignatureForSelector = class_getInstanceMethod(_class, @selector(methodSignatureForSelector:))) {
380 if (reinterpret_cast<NSMethodSignature *(*)(id, SEL, SEL)>(method_getImplementation(methodSignatureForSelector))(value, @selector(methodSignatureForSelector:), sel) != nil)
381 string = [value cy$toCYON];
382 else goto fail;
383 } else fail: {
384 if (false);
385 #ifdef __APPLE__
386 else if (value == NSZombie_)
387 string = @"_NSZombie_";
388 else if (_class == NSZombie_)
389 string = [NSString stringWithFormat:@"<_NSZombie_: %p>", value];
390 // XXX: frowny /in/ the pants
391 else if (value == NSMessageBuilder_ || value == Object_)
392 string = nil;
393 #endif
394 else
395 string = [NSString stringWithFormat:@"%@", value];
396 }
397
398 // XXX: frowny pants
399 if (string == nil)
400 string = @"undefined";
401 }
402
403 return string;
404 }
405
406 #ifdef __APPLE__
407 struct PropertyAttributes {
408 CYPool pool_;
409
410 const char *name;
411
412 const char *variable;
413
414 const char *getter_;
415 const char *setter_;
416
417 bool readonly;
418 bool copy;
419 bool retain;
420 bool nonatomic;
421 bool dynamic;
422 bool weak;
423 bool garbage;
424
425 PropertyAttributes(objc_property_t property) :
426 variable(NULL),
427 getter_(NULL),
428 setter_(NULL),
429 readonly(false),
430 copy(false),
431 retain(false),
432 nonatomic(false),
433 dynamic(false),
434 weak(false),
435 garbage(false)
436 {
437 name = property_getName(property);
438 const char *attributes(property_getAttributes(property));
439
440 for (char *state, *token(apr_strtok(apr_pstrdup(pool_, attributes), ",", &state)); token != NULL; token = apr_strtok(NULL, ",", &state)) {
441 switch (*token) {
442 case 'R': readonly = true; break;
443 case 'C': copy = true; break;
444 case '&': retain = true; break;
445 case 'N': nonatomic = true; break;
446 case 'G': getter_ = token + 1; break;
447 case 'S': setter_ = token + 1; break;
448 case 'V': variable = token + 1; break;
449 }
450 }
451
452 /*if (variable == NULL) {
453 variable = property_getName(property);
454 size_t size(strlen(variable));
455 char *name(new(pool_) char[size + 2]);
456 name[0] = '_';
457 memcpy(name + 1, variable, size);
458 name[size + 1] = '\0';
459 variable = name;
460 }*/
461 }
462
463 const char *Getter() {
464 if (getter_ == NULL)
465 getter_ = apr_pstrdup(pool_, name);
466 return getter_;
467 }
468
469 const char *Setter() {
470 if (setter_ == NULL && !readonly) {
471 size_t length(strlen(name));
472
473 char *temp(new(pool_) char[length + 5]);
474 temp[0] = 's';
475 temp[1] = 'e';
476 temp[2] = 't';
477
478 if (length != 0) {
479 temp[3] = toupper(name[0]);
480 memcpy(temp + 4, name + 1, length - 1);
481 }
482
483 temp[length + 3] = ':';
484 temp[length + 4] = '\0';
485 setter_ = temp;
486 }
487
488 return setter_;
489 }
490
491 };
492 #endif
493
494 #ifdef __APPLE__
495 NSObject *NSCFType$cy$toJSON(id self, SEL sel, NSString *key) {
496 return [(NSString *) CFCopyDescription((CFTypeRef) self) autorelease];
497 }
498 #endif
499
500 #ifndef __APPLE__
501 @interface CYWebUndefined : NSObject {
502 }
503
504 + (CYWebUndefined *) undefined;
505
506 @end
507
508 @implementation CYWebUndefined
509
510 + (CYWebUndefined *) undefined {
511 static CYWebUndefined *instance_([[CYWebUndefined alloc] init]);
512 return instance_;
513 }
514
515 @end
516
517 #define WebUndefined CYWebUndefined
518 #endif
519
520 /* Bridge: CYJSObject {{{ */
521 @interface CYJSObject : NSMutableDictionary {
522 JSObjectRef object_;
523 JSContextRef context_;
524 }
525
526 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
527
528 - (NSObject *) cy$toJSON:(NSString *)key;
529
530 - (NSUInteger) count;
531 - (id) objectForKey:(id)key;
532 - (NSEnumerator *) keyEnumerator;
533 - (void) setObject:(id)object forKey:(id)key;
534 - (void) removeObjectForKey:(id)key;
535
536 @end
537 /* }}} */
538 /* Bridge: CYJSArray {{{ */
539 @interface CYJSArray : NSMutableArray {
540 JSObjectRef object_;
541 JSContextRef context_;
542 }
543
544 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
545
546 - (NSUInteger) count;
547 - (id) objectAtIndex:(NSUInteger)index;
548
549 - (void) addObject:(id)anObject;
550 - (void) insertObject:(id)anObject atIndex:(NSUInteger)index;
551 - (void) removeLastObject;
552 - (void) removeObjectAtIndex:(NSUInteger)index;
553 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)anObject;
554
555 @end
556 /* }}} */
557
558 NSObject *CYCastNSObject_(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
559 JSValueRef exception(NULL);
560 bool array(JSValueIsInstanceOfConstructor(context, object, Array_, &exception));
561 CYThrow(context, exception);
562 id value(array ? [CYJSArray alloc] : [CYJSObject alloc]);
563 return CYPoolRelease(pool, [value initWithJSObject:object inContext:context]);
564 }
565
566 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
567 if (!JSValueIsObjectOfClass(context, object, Instance_))
568 return CYCastNSObject_(pool, context, object);
569 else {
570 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
571 return internal->GetValue();
572 }
573 }
574
575 NSNumber *CYCopyNSNumber(JSContextRef context, JSValueRef value) {
576 return [[NSNumber alloc] initWithDouble:CYCastDouble(context, value)];
577 }
578
579 #ifndef __APPLE__
580 @interface NSBoolNumber : NSNumber {
581 }
582 @end
583 #endif
584
585 id CYNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value, bool cast) {
586 id object;
587 bool copy;
588
589 switch (JSType type = JSValueGetType(context, value)) {
590 case kJSTypeUndefined:
591 object = [WebUndefined undefined];
592 copy = false;
593 break;
594
595 case kJSTypeNull:
596 return NULL;
597 break;
598
599 case kJSTypeBoolean:
600 #ifdef __APPLE__
601 object = (id) (CYCastBool(context, value) ? kCFBooleanTrue : kCFBooleanFalse);
602 copy = false;
603 #else
604 object = [[NSBoolNumber alloc] initWithBool:CYCastBool(context, value)];
605 copy = true;
606 #endif
607 break;
608
609 case kJSTypeNumber:
610 object = CYCopyNSNumber(context, value);
611 copy = true;
612 break;
613
614 case kJSTypeString:
615 object = CYCopyNSString(context, value);
616 copy = true;
617 break;
618
619 case kJSTypeObject:
620 // XXX: this might could be more efficient
621 object = CYCastNSObject(pool, context, (JSObjectRef) value);
622 copy = false;
623 break;
624
625 default:
626 throw CYJSError(context, "JSValueGetType() == 0x%x", type);
627 break;
628 }
629
630 if (cast != copy)
631 return object;
632 else if (copy)
633 return CYPoolRelease(pool, object);
634 else
635 return [object retain];
636 }
637
638 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
639 return CYNSObject(pool, context, value, true);
640 }
641
642 NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
643 return CYNSObject(pool, context, value, false);
644 }
645
646 /* Bridge: NSArray {{{ */
647 @implementation NSArray (Cycript)
648
649 - (NSString *) cy$toCYON {
650 NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
651 [json appendString:@"["];
652
653 bool comma(false);
654 #ifdef __APPLE__
655 for (id object in self) {
656 #else
657 for (size_t index(0), count([self count]); index != count; ++index) {
658 id object([self objectAtIndex:index]);
659 #endif
660 if (comma)
661 [json appendString:@","];
662 else
663 comma = true;
664 if (object == nil || [object cy$JSType] != kJSTypeUndefined)
665 [json appendString:CYCastNSCYON(object)];
666 else {
667 [json appendString:@","];
668 comma = false;
669 }
670 }
671
672 [json appendString:@"]"];
673 return json;
674 }
675
676 - (bool) cy$hasProperty:(NSString *)name {
677 if ([name isEqualToString:@"length"])
678 return true;
679
680 size_t index(CYGetIndex(name));
681 if (index == _not(size_t) || index >= [self count])
682 return [super cy$hasProperty:name];
683 else
684 return true;
685 }
686
687 - (NSObject *) cy$getProperty:(NSString *)name {
688 if ([name isEqualToString:@"length"]) {
689 NSUInteger count([self count]);
690 #ifdef __APPLE__
691 return [NSNumber numberWithUnsignedInteger:count];
692 #else
693 return [NSNumber numberWithUnsignedInt:count];
694 #endif
695 }
696
697 size_t index(CYGetIndex(name));
698 if (index == _not(size_t) || index >= [self count])
699 return [super cy$getProperty:name];
700 else
701 return [self objectAtIndex:index];
702 }
703
704 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
705 [super cy$getPropertyNames:names inContext:context];
706
707 for (size_t index(0), count([self count]); index != count; ++index) {
708 id object([self objectAtIndex:index]);
709 if (object == nil || [object cy$JSType] != kJSTypeUndefined) {
710 char name[32];
711 sprintf(name, "%zu", index);
712 JSPropertyNameAccumulatorAddName(names, CYJSString(name));
713 }
714 }
715 }
716
717 @end
718 /* }}} */
719 /* Bridge: NSBoolNumber {{{ */
720 #ifndef __APPLE__
721 @implementation NSBoolNumber (Cycript)
722
723 - (JSType) cy$JSType {
724 return kJSTypeBoolean;
725 }
726
727 - (NSObject *) cy$toJSON:(NSString *)key {
728 return self;
729 }
730
731 - (NSString *) cy$toCYON {
732 return [self boolValue] ? @"true" : @"false";
733 }
734
735 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
736 return CYCastJSValue(context, (bool) [self boolValue]);
737 } CYObjectiveCatch }
738
739 @end
740 #endif
741 /* }}} */
742 /* Bridge: NSDictionary {{{ */
743 @implementation NSDictionary (Cycript)
744
745 - (NSString *) cy$toCYON {
746 NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
747 [json appendString:@"{"];
748
749 bool comma(false);
750 #ifdef __APPLE__
751 for (id key in self) {
752 #else
753 NSEnumerator *keys([self keyEnumerator]);
754 while (id key = [keys nextObject]) {
755 #endif
756 if (comma)
757 [json appendString:@","];
758 else
759 comma = true;
760 [json appendString:[key cy$toKey]];
761 [json appendString:@":"];
762 NSObject *object([self objectForKey:key]);
763 [json appendString:CYCastNSCYON(object)];
764 }
765
766 [json appendString:@"}"];
767 return json;
768 }
769
770 - (bool) cy$hasProperty:(NSString *)name {
771 return [self objectForKey:name] != nil;
772 }
773
774 - (NSObject *) cy$getProperty:(NSString *)name {
775 return [self objectForKey:name];
776 }
777
778 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
779 [super cy$getPropertyNames:names inContext:context];
780
781 #ifdef __APPLE__
782 for (NSString *key in self) {
783 #else
784 NSEnumerator *keys([self keyEnumerator]);
785 while (NSString *key = [keys nextObject]) {
786 #endif
787 JSPropertyNameAccumulatorAddName(names, CYJSString(context, key));
788 }
789 }
790
791 @end
792 /* }}} */
793 /* Bridge: NSMutableArray {{{ */
794 @implementation NSMutableArray (Cycript)
795
796 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
797 if ([name isEqualToString:@"length"]) {
798 // XXX: is this not intelligent?
799 NSNumber *number(reinterpret_cast<NSNumber *>(value));
800 #ifdef __APPLE__
801 NSUInteger size([number unsignedIntegerValue]);
802 #else
803 NSUInteger size([number unsignedIntValue]);
804 #endif
805 NSUInteger count([self count]);
806 if (size < count)
807 [self removeObjectsInRange:NSMakeRange(size, count - size)];
808 else if (size != count) {
809 WebUndefined *undefined([WebUndefined undefined]);
810 for (size_t i(count); i != size; ++i)
811 [self addObject:undefined];
812 }
813 return true;
814 }
815
816 size_t index(CYGetIndex(name));
817 if (index == _not(size_t))
818 return [super cy$setProperty:name to:value];
819
820 id object(value ?: [NSNull null]);
821
822 size_t count([self count]);
823 if (index < count)
824 [self replaceObjectAtIndex:index withObject:object];
825 else {
826 if (index != count) {
827 WebUndefined *undefined([WebUndefined undefined]);
828 for (size_t i(count); i != index; ++i)
829 [self addObject:undefined];
830 }
831
832 [self addObject:object];
833 }
834
835 return true;
836 }
837
838 - (bool) cy$deleteProperty:(NSString *)name {
839 size_t index(CYGetIndex(name));
840 if (index == _not(size_t) || index >= [self count])
841 return [super cy$deleteProperty:name];
842 [self replaceObjectAtIndex:index withObject:[WebUndefined undefined]];
843 return true;
844 }
845
846 @end
847 /* }}} */
848 /* Bridge: NSMutableDictionary {{{ */
849 @implementation NSMutableDictionary (Cycript)
850
851 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
852 [self setObject:(value ?: [NSNull null]) forKey:name];
853 return true;
854 }
855
856 - (bool) cy$deleteProperty:(NSString *)name {
857 if ([self objectForKey:name] == nil)
858 return false;
859 else {
860 [self removeObjectForKey:name];
861 return true;
862 }
863 }
864
865 @end
866 /* }}} */
867 /* Bridge: NSNumber {{{ */
868 @implementation NSNumber (Cycript)
869
870 - (JSType) cy$JSType {
871 #ifdef __APPLE__
872 // XXX: this just seems stupid
873 if ([self class] == NSCFBoolean_)
874 return kJSTypeBoolean;
875 #endif
876 return kJSTypeNumber;
877 }
878
879 - (NSObject *) cy$toJSON:(NSString *)key {
880 return self;
881 }
882
883 - (NSString *) cy$toCYON {
884 return [self cy$JSType] != kJSTypeBoolean ? [self stringValue] : [self boolValue] ? @"true" : @"false";
885 }
886
887 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
888 return [self cy$JSType] != kJSTypeBoolean ? CYCastJSValue(context, [self doubleValue]) : CYCastJSValue(context, [self boolValue]);
889 } CYObjectiveCatch }
890
891 @end
892 /* }}} */
893 /* Bridge: NSNull {{{ */
894 @implementation NSNull (Cycript)
895
896 - (JSType) cy$JSType {
897 return kJSTypeNull;
898 }
899
900 - (NSObject *) cy$toJSON:(NSString *)key {
901 return self;
902 }
903
904 - (NSString *) cy$toCYON {
905 return @"null";
906 }
907
908 @end
909 /* }}} */
910 /* Bridge: NSObject {{{ */
911 @implementation NSObject (Cycript)
912
913 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
914 return CYMakeInstance(context, self, false);
915 } CYObjectiveCatch }
916
917 - (JSType) cy$JSType {
918 return kJSTypeObject;
919 }
920
921 - (NSObject *) cy$toJSON:(NSString *)key {
922 return [self description];
923 }
924
925 - (NSString *) cy$toCYON {
926 return [[self cy$toJSON:@""] cy$toCYON];
927 }
928
929 - (NSString *) cy$toKey {
930 return [self cy$toCYON];
931 }
932
933 - (bool) cy$hasProperty:(NSString *)name {
934 return false;
935 }
936
937 - (NSObject *) cy$getProperty:(NSString *)name {
938 return nil;
939 }
940
941 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
942 return false;
943 }
944
945 - (bool) cy$deleteProperty:(NSString *)name {
946 return false;
947 }
948
949 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
950 }
951
952 @end
953 /* }}} */
954 /* Bridge: NSProxy {{{ */
955 @implementation NSProxy (Cycript)
956
957 - (NSObject *) cy$toJSON:(NSString *)key {
958 return [self description];
959 }
960
961 - (NSString *) cy$toCYON {
962 return [[self cy$toJSON:@""] cy$toCYON];
963 }
964
965 @end
966 /* }}} */
967 /* Bridge: NSString {{{ */
968 @implementation NSString (Cycript)
969
970 - (JSType) cy$JSType {
971 return kJSTypeString;
972 }
973
974 - (NSObject *) cy$toJSON:(NSString *)key {
975 return self;
976 }
977
978 - (NSString *) cy$toCYON {
979 std::ostringstream str;
980 CYUTF8String string(CYCastUTF8String(self));
981 CYStringify(str, string.data, string.size);
982 std::string value(str.str());
983 return CYCastNSString(NULL, CYUTF8String(value.c_str(), value.size()));
984 }
985
986 - (NSString *) cy$toKey {
987 if (CYIsKey(CYCastUTF8String(self)))
988 return self;
989 return [self cy$toCYON];
990 }
991
992 @end
993 /* }}} */
994 /* Bridge: WebUndefined {{{ */
995 @implementation WebUndefined (Cycript)
996
997 - (JSType) cy$JSType {
998 return kJSTypeUndefined;
999 }
1000
1001 - (NSObject *) cy$toJSON:(NSString *)key {
1002 return self;
1003 }
1004
1005 - (NSString *) cy$toCYON {
1006 return @"undefined";
1007 }
1008
1009 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
1010 return CYJSUndefined(context);
1011 } CYObjectiveCatch }
1012
1013 @end
1014 /* }}} */
1015
1016 static bool CYIsClass(id self) {
1017 #ifdef __APPLE__
1018 // XXX: this is a lame object_isClass
1019 return class_getInstanceMethod(object_getClass(self), @selector(alloc)) != NULL;
1020 #else
1021 return GSObjCIsClass(self);
1022 #endif
1023 }
1024
1025 Class CYCastClass(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1026 id self(CYCastNSObject(pool, context, value));
1027 if (CYIsClass(self))
1028 return (Class) self;
1029 throw CYJSError(context, "got something that is not a Class");
1030 return NULL;
1031 }
1032
1033 NSArray *CYCastNSArray(JSContextRef context, JSPropertyNameArrayRef names) {
1034 CYPool pool;
1035 size_t size(JSPropertyNameArrayGetCount(names));
1036 NSMutableArray *array([NSMutableArray arrayWithCapacity:size]);
1037 for (size_t index(0); index != size; ++index)
1038 [array addObject:CYCastNSString(pool, context, JSPropertyNameArrayGetNameAtIndex(names, index))];
1039 return array;
1040 }
1041
1042 JSValueRef CYCastJSValue(JSContextRef context, NSObject *value) { CYPoolTry {
1043 if (value == nil)
1044 return CYJSNull(context);
1045 else if ([value respondsToSelector:@selector(cy$JSValueInContext:)])
1046 return [value cy$JSValueInContext:context];
1047 else
1048 return CYMakeInstance(context, value, false);
1049 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1050
1051 @implementation CYJSObject
1052
1053 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry {
1054 if ((self = [super init]) != nil) {
1055 object_ = object;
1056 context_ = CYGetJSContext(context);
1057 //XXX:JSGlobalContextRetain(context_);
1058 JSValueProtect(context_, object_);
1059 } return self;
1060 } CYObjectiveCatch }
1061
1062 - (void) dealloc { CYObjectiveTry {
1063 JSValueUnprotect(context_, object_);
1064 //XXX:JSGlobalContextRelease(context_);
1065 [super dealloc];
1066 } CYObjectiveCatch }
1067
1068 - (NSObject *) cy$toJSON:(NSString *)key { CYObjectiveTry {
1069 JSValueRef toJSON(CYGetProperty(context_, object_, toJSON_));
1070 if (!CYIsCallable(context_, toJSON))
1071 return [super cy$toJSON:key];
1072 else {
1073 JSValueRef arguments[1] = {CYCastJSValue(context_, key)};
1074 JSValueRef value(CYCallAsFunction(context_, (JSObjectRef) toJSON, object_, 1, arguments));
1075 // XXX: do I really want an NSNull here?!
1076 return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1077 }
1078 } CYObjectiveCatch }
1079
1080 - (NSString *) cy$toCYON { CYObjectiveTry {
1081 CYPool pool;
1082 JSValueRef exception(NULL);
1083 const char *cyon(CYPoolCCYON(pool, context_, object_));
1084 CYThrow(context_, exception);
1085 if (cyon == NULL)
1086 return [super cy$toCYON];
1087 else
1088 return [NSString stringWithUTF8String:cyon];
1089 } CYObjectiveCatch }
1090
1091 - (NSUInteger) count { CYObjectiveTry {
1092 JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1093 size_t size(JSPropertyNameArrayGetCount(names));
1094 JSPropertyNameArrayRelease(names);
1095 return size;
1096 } CYObjectiveCatch }
1097
1098 - (id) objectForKey:(id)key { CYObjectiveTry {
1099 // XXX: are NSDictionary keys always NSString *?
1100 JSValueRef value(CYGetProperty(context_, object_, CYJSString(context_, (NSString *) key)));
1101 if (JSValueIsUndefined(context_, value))
1102 return nil;
1103 return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1104 } CYObjectiveCatch }
1105
1106 - (NSEnumerator *) keyEnumerator { CYObjectiveTry {
1107 JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1108 NSEnumerator *enumerator([CYCastNSArray(context_, names) objectEnumerator]);
1109 JSPropertyNameArrayRelease(names);
1110 return enumerator;
1111 } CYObjectiveCatch }
1112
1113 - (void) setObject:(id)object forKey:(id)key { CYObjectiveTry {
1114 // XXX: are NSDictionary keys always NSString *?
1115 CYSetProperty(context_, object_, CYJSString(context_, (NSString *) key), CYCastJSValue(context_, (NSString *) object));
1116 } CYObjectiveCatch }
1117
1118 - (void) removeObjectForKey:(id)key { CYObjectiveTry {
1119 JSValueRef exception(NULL);
1120 // XXX: are NSDictionary keys always NSString *?
1121 (void) JSObjectDeleteProperty(context_, object_, CYJSString(context_, (NSString *) key), &exception);
1122 CYThrow(context_, exception);
1123 } CYObjectiveCatch }
1124
1125 @end
1126
1127 @implementation CYJSArray
1128
1129 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry {
1130 if ((self = [super init]) != nil) {
1131 object_ = object;
1132 context_ = CYGetJSContext(context);
1133 //XXX:JSGlobalContextRetain(context_);
1134 JSValueProtect(context_, object_);
1135 } return self;
1136 } CYObjectiveCatch }
1137
1138 - (void) dealloc { CYObjectiveTry {
1139 JSValueUnprotect(context_, object_);
1140 //XXX:JSGlobalContextRelease(context_);
1141 [super dealloc];
1142 } CYObjectiveCatch }
1143
1144 - (NSUInteger) count { CYObjectiveTry {
1145 return CYCastDouble(context_, CYGetProperty(context_, object_, length_));
1146 } CYObjectiveCatch }
1147
1148 - (id) objectAtIndex:(NSUInteger)index { CYObjectiveTry {
1149 size_t bounds([self count]);
1150 if (index >= bounds)
1151 @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray objectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1152 JSValueRef exception(NULL);
1153 JSValueRef value(JSObjectGetPropertyAtIndex(context_, object_, index, &exception));
1154 CYThrow(context_, exception);
1155 return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1156 } CYObjectiveCatch }
1157
1158 - (void) addObject:(id)object { CYObjectiveTry {
1159 JSValueRef exception(NULL);
1160 JSValueRef arguments[1];
1161 arguments[0] = CYCastJSValue(context_, (NSObject *) object);
1162 JSObjectCallAsFunction(context_, Array_push_, object_, 1, arguments, &exception);
1163 CYThrow(context_, exception);
1164 } CYObjectiveCatch }
1165
1166 - (void) insertObject:(id)object atIndex:(NSUInteger)index { CYObjectiveTry {
1167 size_t bounds([self count] + 1);
1168 if (index >= bounds)
1169 @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray insertObject:atIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1170 JSValueRef exception(NULL);
1171 JSValueRef arguments[3];
1172 arguments[0] = CYCastJSValue(context_, index);
1173 arguments[1] = CYCastJSValue(context_, 0);
1174 arguments[2] = CYCastJSValue(context_, (NSObject *) object);
1175 JSObjectCallAsFunction(context_, Array_splice_, object_, 3, arguments, &exception);
1176 CYThrow(context_, exception);
1177 } CYObjectiveCatch }
1178
1179 - (void) removeLastObject { CYObjectiveTry {
1180 JSValueRef exception(NULL);
1181 JSObjectCallAsFunction(context_, Array_pop_, object_, 0, NULL, &exception);
1182 CYThrow(context_, exception);
1183 } CYObjectiveCatch }
1184
1185 - (void) removeObjectAtIndex:(NSUInteger)index { CYObjectiveTry {
1186 size_t bounds([self count]);
1187 if (index >= bounds)
1188 @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray removeObjectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1189 JSValueRef exception(NULL);
1190 JSValueRef arguments[2];
1191 arguments[0] = CYCastJSValue(context_, index);
1192 arguments[1] = CYCastJSValue(context_, 1);
1193 JSObjectCallAsFunction(context_, Array_splice_, object_, 2, arguments, &exception);
1194 CYThrow(context_, exception);
1195 } CYObjectiveCatch }
1196
1197 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)object { CYObjectiveTry {
1198 size_t bounds([self count]);
1199 if (index >= bounds)
1200 @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray replaceObjectAtIndex:withObject:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1201 CYSetProperty(context_, object_, index, CYCastJSValue(context_, (NSObject *) object));
1202 } CYObjectiveCatch }
1203
1204 @end
1205
1206 // XXX: use objc_getAssociatedObject and objc_setAssociatedObject on 10.6
1207 struct CYInternal :
1208 CYData
1209 {
1210 JSObjectRef object_;
1211
1212 CYInternal() :
1213 object_(NULL)
1214 {
1215 }
1216
1217 ~CYInternal() {
1218 // XXX: delete object_? ;(
1219 }
1220
1221 static CYInternal *Get(id self) {
1222 CYInternal *internal(NULL);
1223 if (object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal)) == NULL) {
1224 // XXX: do something epic? ;P
1225 }
1226
1227 return internal;
1228 }
1229
1230 static CYInternal *Set(id self) {
1231 CYInternal *internal(NULL);
1232 if (objc_ivar *ivar = object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal))) {
1233 if (internal == NULL) {
1234 internal = new CYInternal();
1235 object_setIvar(self, ivar, reinterpret_cast<id>(internal));
1236 }
1237 } else {
1238 // XXX: do something epic? ;P
1239 }
1240
1241 return internal;
1242 }
1243
1244 bool HasProperty(JSContextRef context, JSStringRef name) {
1245 if (object_ == NULL)
1246 return false;
1247 return JSObjectHasProperty(context, object_, name);
1248 }
1249
1250 JSValueRef GetProperty(JSContextRef context, JSStringRef name) {
1251 if (object_ == NULL)
1252 return NULL;
1253 return CYGetProperty(context, object_, name);
1254 }
1255
1256 void SetProperty(JSContextRef context, JSStringRef name, JSValueRef value) {
1257 if (object_ == NULL)
1258 object_ = JSObjectMake(context, NULL, NULL);
1259 CYSetProperty(context, object_, name, value);
1260 }
1261 };
1262
1263 static JSObjectRef CYMakeSelector(JSContextRef context, SEL sel) {
1264 Selector_privateData *internal(new Selector_privateData(sel));
1265 return JSObjectMake(context, Selector_, internal);
1266 }
1267
1268 static SEL CYCastSEL(JSContextRef context, JSValueRef value) {
1269 if (JSValueIsObjectOfClass(context, value, Selector_)) {
1270 Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
1271 return reinterpret_cast<SEL>(internal->value_);
1272 } else
1273 return CYCastPointer<SEL>(context, value);
1274 }
1275
1276 void *CYObjectiveC_ExecuteStart(JSContextRef context) {
1277 // XXX: deal with exceptions!
1278 return (void *) [[NSAutoreleasePool alloc] init];
1279 }
1280
1281 void CYObjectiveC_ExecuteEnd(JSContextRef context, void *handle) {
1282 // XXX: deal with exceptions!
1283 return [(NSAutoreleasePool *) handle release];
1284 }
1285
1286 JSValueRef CYObjectiveC_RuntimeProperty(JSContextRef context, CYUTF8String name) { CYPoolTry {
1287 if (name == "nil")
1288 return Instance::Make(context, nil);
1289 if (Class _class = objc_getClass(name.data))
1290 return CYMakeInstance(context, _class, true);
1291 return NULL;
1292 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1293
1294 static void CYObjectiveC_CallFunction(JSContextRef context, ffi_cif *cif, void (*function)(), uint8_t *value, void **values) { @try {
1295 ffi_call(cif, function, value, values);
1296 } @catch (NSException *error ) {
1297 throw CYJSError(context, CYCastJSValue(context, error));
1298 } }
1299
1300 static bool CYObjectiveC_PoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) { CYPoolTry {
1301 switch (type->primitive) {
1302 case sig::object_P:
1303 case sig::typename_P:
1304 *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
1305 break;
1306
1307 case sig::selector_P:
1308 *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
1309 break;
1310
1311 default:
1312 return false;
1313 }
1314
1315 return true;
1316 } CYPoolCatch(false) return /*XXX*/ NULL; }
1317
1318 static JSValueRef CYObjectiveC_FromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) { CYPoolTry {
1319 switch (type->primitive) {
1320 case sig::object_P:
1321 if (NSObject *object = *reinterpret_cast<NSObject **>(data)) {
1322 JSValueRef value(CYCastJSValue(context, object));
1323 if (initialize)
1324 [object release];
1325 return value;
1326 } else goto null;
1327
1328 case sig::typename_P:
1329 return CYMakeInstance(context, *reinterpret_cast<Class *>(data), true);
1330
1331 case sig::selector_P:
1332 if (SEL sel = *reinterpret_cast<SEL *>(data))
1333 return CYMakeSelector(context, sel);
1334 else goto null;
1335
1336 null:
1337 return CYJSNull(context);
1338 default:
1339 return NULL;
1340 }
1341 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1342
1343 static bool CYImplements(id object, Class _class, SEL selector, bool devoid) {
1344 if (objc_method *method = class_getInstanceMethod(_class, selector)) {
1345 if (!devoid)
1346 return true;
1347 #if OBJC_API_VERSION >= 2
1348 char type[16];
1349 method_getReturnType(method, type, sizeof(type));
1350 #else
1351 const char *type(method_getTypeEncoding(method));
1352 #endif
1353 if (type[0] != 'v')
1354 return true;
1355 }
1356
1357 // XXX: possibly use a more "awesome" check?
1358 return false;
1359 }
1360
1361 static const char *CYPoolTypeEncoding(apr_pool_t *pool, JSContextRef context, SEL sel, objc_method *method) {
1362 if (method != NULL)
1363 return method_getTypeEncoding(method);
1364
1365 const char *name(sel_getName(sel));
1366
1367 sqlite3_stmt *statement;
1368
1369 _sqlcall(sqlite3_prepare(Bridge_,
1370 "select "
1371 "\"bridge\".\"value\" "
1372 "from \"bridge\" "
1373 "where"
1374 " \"bridge\".\"mode\" = -1 and"
1375 " \"bridge\".\"name\" = ?"
1376 " limit 1"
1377 , -1, &statement, NULL));
1378
1379 _trace();
1380 _sqlcall(sqlite3_bind_text(statement, 1, name, -1, SQLITE_STATIC));
1381
1382 const char *value;
1383 if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE) {
1384 _trace();
1385 value = NULL;}
1386 else {
1387 _trace();
1388 value = sqlite3_column_pooled(pool, statement, 0);
1389 }
1390
1391 _sqlcall(sqlite3_finalize(statement));
1392
1393 if (value != NULL)
1394 return value;
1395 _trace();
1396 return NULL;
1397 }
1398
1399 static void MessageClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
1400 Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
1401
1402 JSContextRef context(internal->context_);
1403
1404 size_t count(internal->cif_.nargs);
1405 JSValueRef values[count];
1406
1407 for (size_t index(0); index != count; ++index)
1408 values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
1409
1410 JSObjectRef _this(CYCastJSObject(context, values[0]));
1411
1412 JSValueRef value(CYCallAsFunction(context, internal->function_, _this, count - 2, values + 2));
1413 CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
1414 }
1415
1416 static JSObjectRef CYMakeMessage(JSContextRef context, SEL sel, IMP imp, const char *type) {
1417 Message_privateData *internal(new Message_privateData(sel, type, imp));
1418 return JSObjectMake(context, Message_, internal);
1419 }
1420
1421 static IMP CYMakeMessage(JSContextRef context, JSValueRef value, const char *type) {
1422 JSObjectRef function(CYCastJSObject(context, value));
1423 Closure_privateData *internal(CYMakeFunctor_(context, function, type, &MessageClosure_));
1424 return reinterpret_cast<IMP>(internal->GetValue());
1425 }
1426
1427 static bool Messages_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1428 Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1429 Class _class(internal->GetValue());
1430
1431 CYPool pool;
1432 const char *name(CYPoolCString(pool, context, property));
1433
1434 if (SEL sel = sel_getUid(name))
1435 if (class_getInstanceMethod(_class, sel) != NULL)
1436 return true;
1437
1438 return false;
1439 }
1440
1441 static JSValueRef Messages_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1442 Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1443 Class _class(internal->GetValue());
1444
1445 CYPool pool;
1446 const char *name(CYPoolCString(pool, context, property));
1447
1448 if (SEL sel = sel_getUid(name))
1449 if (objc_method *method = class_getInstanceMethod(_class, sel))
1450 return CYMakeMessage(context, sel, method_getImplementation(method), method_getTypeEncoding(method));
1451
1452 return NULL;
1453 }
1454
1455 static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
1456 Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1457 Class _class(internal->GetValue());
1458
1459 CYPool pool;
1460 const char *name(CYPoolCString(pool, context, property));
1461
1462 SEL sel(sel_registerName(name));
1463
1464 objc_method *method(class_getInstanceMethod(_class, sel));
1465
1466 const char *type;
1467 IMP imp;
1468
1469 if (JSValueIsObjectOfClass(context, value, Message_)) {
1470 Message_privateData *message(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
1471 type = sig::Unparse(pool, &message->signature_);
1472 imp = reinterpret_cast<IMP>(message->GetValue());
1473 } else {
1474 type = CYPoolTypeEncoding(pool, context, sel, method);
1475 imp = CYMakeMessage(context, value, type);
1476 }
1477
1478 if (method != NULL)
1479 method_setImplementation(method, imp);
1480 else {
1481 #ifdef GNU_RUNTIME
1482 GSMethodList list(GSAllocMethodList(1));
1483 GSAppendMethodToList(list, sel, type, imp, YES);
1484 GSAddMethodList(_class, list, YES);
1485 GSFlushMethodCacheForClass(_class);
1486 #else
1487 class_addMethod(_class, sel, imp, type);
1488 #endif
1489 }
1490
1491 return true;
1492 }
1493
1494 #if 0 && OBJC_API_VERSION < 2
1495 static bool Messages_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1496 Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1497 Class _class(internal->GetValue());
1498
1499 CYPool pool;
1500 const char *name(CYPoolCString(pool, context, property));
1501
1502 if (SEL sel = sel_getUid(name))
1503 if (objc_method *method = class_getInstanceMethod(_class, sel)) {
1504 objc_method_list list = {NULL, 1, {method}};
1505 class_removeMethods(_class, &list);
1506 return true;
1507 }
1508
1509 return false;
1510 }
1511 #endif
1512
1513 static void Messages_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1514 Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1515 Class _class(internal->GetValue());
1516
1517 #if OBJC_API_VERSION >= 2
1518 unsigned int size;
1519 objc_method **data(class_copyMethodList(_class, &size));
1520 for (size_t i(0); i != size; ++i)
1521 JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(data[i]))));
1522 free(data);
1523 #else
1524 for (objc_method_list *methods(_class->methods); methods != NULL; methods = methods->method_next)
1525 for (int i(0); i != methods->method_count; ++i)
1526 JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(&methods->method_list[i]))));
1527 #endif
1528 }
1529
1530 static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1531 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1532 id self(internal->GetValue());
1533
1534 if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1535 return true;
1536
1537 CYPool pool;
1538 NSString *name(CYCastNSString(pool, context, property));
1539
1540 if (CYInternal *internal = CYInternal::Get(self))
1541 if (internal->HasProperty(context, property))
1542 return true;
1543
1544 Class _class(object_getClass(self));
1545
1546 CYPoolTry {
1547 // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1548 if (CYImplements(self, _class, @selector(cy$hasProperty:), false))
1549 if ([self cy$hasProperty:name])
1550 return true;
1551 } CYPoolCatch(false)
1552
1553 const char *string(CYPoolCString(pool, context, name));
1554
1555 #ifdef __APPLE__
1556 if (class_getProperty(_class, string) != NULL)
1557 return true;
1558 #endif
1559
1560 if (SEL sel = sel_getUid(string))
1561 if (CYImplements(self, _class, sel, true))
1562 return true;
1563
1564 return false;
1565 }
1566
1567 static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1568 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1569 id self(internal->GetValue());
1570
1571 if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1572 return Internal::Make(context, self, object);
1573
1574 CYPool pool;
1575 NSString *name(CYCastNSString(pool, context, property));
1576
1577 if (CYInternal *internal = CYInternal::Get(self))
1578 if (JSValueRef value = internal->GetProperty(context, property))
1579 return value;
1580
1581 CYPoolTry {
1582 if (NSObject *data = [self cy$getProperty:name])
1583 return CYCastJSValue(context, data);
1584 } CYPoolCatch(NULL)
1585
1586 const char *string(CYPoolCString(pool, context, name));
1587 Class _class(object_getClass(self));
1588
1589 #ifdef __APPLE__
1590 if (objc_property_t property = class_getProperty(_class, string)) {
1591 PropertyAttributes attributes(property);
1592 SEL sel(sel_registerName(attributes.Getter()));
1593 return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
1594 }
1595 #endif
1596
1597 if (SEL sel = sel_getUid(string))
1598 if (CYImplements(self, _class, sel, true))
1599 return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
1600
1601 return NULL;
1602 } CYCatch }
1603
1604 static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1605 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1606 id self(internal->GetValue());
1607
1608 CYPool pool;
1609
1610 NSString *name(CYCastNSString(pool, context, property));
1611 NSObject *data(CYCastNSObject(pool, context, value));
1612
1613 CYPoolTry {
1614 if ([self cy$setProperty:name to:data])
1615 return true;
1616 } CYPoolCatch(NULL)
1617
1618 const char *string(CYPoolCString(pool, context, name));
1619 Class _class(object_getClass(self));
1620
1621 #ifdef __APPLE__
1622 if (objc_property_t property = class_getProperty(_class, string)) {
1623 PropertyAttributes attributes(property);
1624 if (const char *setter = attributes.Setter()) {
1625 SEL sel(sel_registerName(setter));
1626 JSValueRef arguments[1] = {value};
1627 CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
1628 return true;
1629 }
1630 }
1631 #endif
1632
1633 size_t length(strlen(string));
1634
1635 char set[length + 5];
1636
1637 set[0] = 's';
1638 set[1] = 'e';
1639 set[2] = 't';
1640
1641 if (string[0] != '\0') {
1642 set[3] = toupper(string[0]);
1643 memcpy(set + 4, string + 1, length - 1);
1644 }
1645
1646 set[length + 3] = ':';
1647 set[length + 4] = '\0';
1648
1649 if (SEL sel = sel_getUid(set))
1650 if (CYImplements(self, _class, sel, false)) {
1651 JSValueRef arguments[1] = {value};
1652 CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
1653 }
1654
1655 if (CYInternal *internal = CYInternal::Set(self)) {
1656 internal->SetProperty(context, property, value);
1657 return true;
1658 }
1659
1660 return false;
1661 } CYCatch }
1662
1663 static bool Instance_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1664 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1665 id self(internal->GetValue());
1666
1667 CYPoolTry {
1668 NSString *name(CYCastNSString(NULL, context, property));
1669 return [self cy$deleteProperty:name];
1670 } CYPoolCatch(NULL)
1671 } CYCatch return /*XXX*/ NULL; }
1672
1673 static void Instance_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1674 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1675 id self(internal->GetValue());
1676
1677 CYPool pool;
1678 Class _class(object_getClass(self));
1679
1680 #ifdef __APPLE__
1681 {
1682 unsigned int size;
1683 objc_property_t *data(class_copyPropertyList(_class, &size));
1684 for (size_t i(0); i != size; ++i)
1685 JSPropertyNameAccumulatorAddName(names, CYJSString(property_getName(data[i])));
1686 free(data);
1687 }
1688 #endif
1689
1690 CYPoolTry {
1691 // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1692 if (CYImplements(self, _class, @selector(cy$getPropertyNames:inContext:), false))
1693 [self cy$getPropertyNames:names inContext:context];
1694 } CYPoolCatch()
1695 }
1696
1697 static JSObjectRef Instance_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1698 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1699 JSObjectRef value(Instance::Make(context, [internal->GetValue() alloc], Instance::Uninitialized));
1700 return value;
1701 } CYCatch }
1702
1703 static bool Instance_hasInstance(JSContextRef context, JSObjectRef constructor, JSValueRef instance, JSValueRef *exception) { CYTry {
1704 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) constructor)));
1705 Class _class(internal->GetValue());
1706 if (!CYIsClass(_class))
1707 return false;
1708
1709 if (JSValueIsObjectOfClass(context, instance, Instance_)) {
1710 Instance *linternal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) instance)));
1711 // XXX: this isn't always safe
1712 return [linternal->GetValue() isKindOfClass:_class];
1713 }
1714
1715 return false;
1716 } CYCatch }
1717
1718 static bool Internal_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1719 Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1720 CYPool pool;
1721
1722 id self(internal->GetValue());
1723 const char *name(CYPoolCString(pool, context, property));
1724
1725 if (object_getInstanceVariable(self, name, NULL) != NULL)
1726 return true;
1727
1728 return false;
1729 }
1730
1731 static JSValueRef Internal_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1732 Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1733 CYPool pool;
1734
1735 id self(internal->GetValue());
1736 const char *name(CYPoolCString(pool, context, property));
1737
1738 if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {
1739 Type_privateData type(pool, ivar_getTypeEncoding(ivar));
1740 // XXX: if this fails and throws an exception the person we are throwing it to gets the wrong exception
1741 return CYFromFFI(context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar));
1742 }
1743
1744 return NULL;
1745 } CYCatch }
1746
1747 static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1748 Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1749 CYPool pool;
1750
1751 id self(internal->GetValue());
1752 const char *name(CYPoolCString(pool, context, property));
1753
1754 if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {
1755 Type_privateData type(pool, ivar_getTypeEncoding(ivar));
1756 CYPoolFFI(pool, context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar), value);
1757 return true;
1758 }
1759
1760 return false;
1761 } CYCatch }
1762
1763 static void Internal_getPropertyNames_(Class _class, JSPropertyNameAccumulatorRef names) {
1764 if (Class super = class_getSuperclass(_class))
1765 Internal_getPropertyNames_(super, names);
1766
1767 #if OBJC_API_VERSION >= 2
1768 unsigned int size;
1769 objc_ivar **data(class_copyIvarList(_class, &size));
1770 for (size_t i(0); i != size; ++i)
1771 JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(data[i])));
1772 free(data);
1773 #else
1774 if (objc_ivar_list *ivars = _class->ivars)
1775 for (int i(0); i != ivars->ivar_count; ++i)
1776 JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(&ivars->ivar_list[i])));
1777 #endif
1778 }
1779
1780 static void Internal_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1781 Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1782 CYPool pool;
1783
1784 id self(internal->GetValue());
1785 Class _class(object_getClass(self));
1786
1787 Internal_getPropertyNames_(_class, names);
1788 }
1789
1790 static JSValueRef Internal_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1791 Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1792 return internal->GetOwner();
1793 }
1794
1795 static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1796 CYPool pool;
1797 NSString *name(CYCastNSString(pool, context, property));
1798 if (Class _class = NSClassFromString(name))
1799 return CYMakeInstance(context, _class, true);
1800 return NULL;
1801 } CYCatch }
1802
1803 static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1804 #ifdef __APPLE__
1805 size_t size(objc_getClassList(NULL, 0));
1806 Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));
1807
1808 get:
1809 size_t writ(objc_getClassList(data, size));
1810 if (size < writ) {
1811 size = writ;
1812 if (Class *copy = reinterpret_cast<Class *>(realloc(data, sizeof(Class) * writ))) {
1813 data = copy;
1814 goto get;
1815 } else goto done;
1816 }
1817
1818 for (size_t i(0); i != writ; ++i)
1819 JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(data[i])));
1820
1821 done:
1822 free(data);
1823 #else
1824 void *state(NULL);
1825 while (Class _class = objc_next_class(&state))
1826 JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(_class)));
1827 #endif
1828 }
1829
1830 #if OBJC_API_VERSION >= 2
1831 static JSValueRef ObjectiveC_Image_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1832 const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
1833
1834 CYPool pool;
1835 const char *name(CYPoolCString(pool, context, property));
1836 unsigned int size;
1837 const char **data(objc_copyClassNamesForImage(internal, &size));
1838 JSValueRef value;
1839 for (size_t i(0); i != size; ++i)
1840 if (strcmp(name, data[i]) == 0) {
1841 if (Class _class = objc_getClass(name)) {
1842 value = CYMakeInstance(context, _class, true);
1843 goto free;
1844 } else
1845 break;
1846 }
1847 value = NULL;
1848 free:
1849 free(data);
1850 return value;
1851 } CYCatch }
1852
1853 static void ObjectiveC_Image_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1854 const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
1855 unsigned int size;
1856 const char **data(objc_copyClassNamesForImage(internal, &size));
1857 for (size_t i(0); i != size; ++i)
1858 JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
1859 free(data);
1860 }
1861
1862 static JSValueRef ObjectiveC_Images_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1863 CYPool pool;
1864 const char *name(CYPoolCString(pool, context, property));
1865 unsigned int size;
1866 const char **data(objc_copyImageNames(&size));
1867 for (size_t i(0); i != size; ++i)
1868 if (strcmp(name, data[i]) == 0) {
1869 name = data[i];
1870 goto free;
1871 }
1872 name = NULL;
1873 free:
1874 free(data);
1875 if (name == NULL)
1876 return NULL;
1877 JSObjectRef value(JSObjectMake(context, NULL, NULL));
1878 CYSetProperty(context, value, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Image_Classes_, const_cast<char *>(name)));
1879 return value;
1880 } CYCatch }
1881
1882 static void ObjectiveC_Images_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1883 unsigned int size;
1884 const char **data(objc_copyImageNames(&size));
1885 for (size_t i(0); i != size; ++i)
1886 JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
1887 free(data);
1888 }
1889 #endif
1890
1891 static JSValueRef ObjectiveC_Protocols_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1892 CYPool pool;
1893 const char *name(CYPoolCString(pool, context, property));
1894 if (Protocol *protocol = objc_getProtocol(name))
1895 return CYMakeInstance(context, protocol, true);
1896 return NULL;
1897 } CYCatch }
1898
1899 static void ObjectiveC_Protocols_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1900 #if OBJC_API_VERSION >= 2
1901 unsigned int size;
1902 Protocol **data(objc_copyProtocolList(&size));
1903 for (size_t i(0); i != size; ++i)
1904 JSPropertyNameAccumulatorAddName(names, CYJSString(protocol_getName(data[i])));
1905 free(data);
1906 #else
1907 // XXX: fix this!
1908 #endif
1909 }
1910
1911 #ifdef __APPLE__
1912 static bool stret(ffi_type *ffi_type) {
1913 return ffi_type->type == FFI_TYPE_STRUCT && (
1914 ffi_type->size > OBJC_MAX_STRUCT_BY_VALUE ||
1915 struct_forward_array[ffi_type->size] != 0
1916 );
1917 }
1918 #endif
1919
1920 JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, Class _class, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception) { CYTry {
1921 const char *type;
1922
1923 if (_class == NULL)
1924 _class = object_getClass(self);
1925
1926 IMP imp;
1927
1928 if (objc_method *method = class_getInstanceMethod(_class, _cmd)) {
1929 imp = method_getImplementation(method);
1930 type = method_getTypeEncoding(method);
1931 } else {
1932 imp = NULL;
1933
1934 CYPoolTry {
1935 NSMethodSignature *method([self methodSignatureForSelector:_cmd]);
1936 if (method == nil)
1937 throw CYJSError(context, "unrecognized selector %s sent to object %p", sel_getName(_cmd), self);
1938 type = CYPoolCString(pool, context, [method _typeString]);
1939 } CYPoolCatch(NULL)
1940 }
1941
1942 void *setup[2];
1943 setup[0] = &self;
1944 setup[1] = &_cmd;
1945
1946 sig::Signature signature;
1947 sig::Parse(pool, &signature, type, &Structor_);
1948
1949 ffi_cif cif;
1950 sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
1951
1952 if (imp == NULL) {
1953 #ifdef __APPLE__
1954 if (stret(cif.rtype))
1955 imp = class_getMethodImplementation_stret(_class, _cmd);
1956 else
1957 imp = class_getMethodImplementation(_class, _cmd);
1958 #else
1959 objc_super super = {self, _class};
1960 imp = objc_msg_lookup_super(&super, _cmd);
1961 #endif
1962 }
1963
1964 void (*function)() = reinterpret_cast<void (*)()>(imp);
1965 return CYCallFunction(pool, context, 2, setup, count, arguments, initialize, exception, &signature, &cif, function);
1966 } CYCatch }
1967
1968 static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1969 if (count < 2)
1970 throw CYJSError(context, "too few arguments to objc_msgSend");
1971
1972 CYPool pool;
1973
1974 bool uninitialized;
1975
1976 id self;
1977 SEL _cmd;
1978 Class _class;
1979
1980 if (JSValueIsObjectOfClass(context, arguments[0], Super_)) {
1981 cy::Super *internal(reinterpret_cast<cy::Super *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
1982 self = internal->GetValue();
1983 _class = internal->class_;;
1984 uninitialized = false;
1985 } else if (JSValueIsObjectOfClass(context, arguments[0], Instance_)) {
1986 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
1987 self = internal->GetValue();
1988 _class = nil;
1989 uninitialized = internal->IsUninitialized();
1990 if (uninitialized)
1991 internal->value_ = nil;
1992 } else {
1993 self = CYCastNSObject(pool, context, arguments[0]);
1994 _class = nil;
1995 uninitialized = false;
1996 }
1997
1998 if (self == nil)
1999 return CYJSNull(context);
2000
2001 _cmd = CYCastSEL(context, arguments[1]);
2002
2003 return CYSendMessage(pool, context, self, _class, _cmd, count - 2, arguments + 2, uninitialized, exception);
2004 } CYCatch }
2005
2006 /* Hook: objc_registerClassPair {{{ */
2007 #if defined(__APPLE__) && defined(__arm__)
2008 // XXX: replace this with associated objects
2009
2010 MSHook(void, CYDealloc, id self, SEL sel) {
2011 CYInternal *internal;
2012 object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal));
2013 if (internal != NULL)
2014 delete internal;
2015 _CYDealloc(self, sel);
2016 }
2017
2018 MSHook(void, objc_registerClassPair, Class _class) {
2019 Class super(class_getSuperclass(_class));
2020 if (super == NULL || class_getInstanceVariable(super, "cy$internal_") == NULL) {
2021 class_addIvar(_class, "cy$internal_", sizeof(CYInternal *), log2(sizeof(CYInternal *)), "^{CYInternal}");
2022 MSHookMessage(_class, @selector(dealloc), MSHake(CYDealloc));
2023 }
2024
2025 _objc_registerClassPair(_class);
2026 }
2027
2028 static JSValueRef objc_registerClassPair_(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2029 if (count != 1)
2030 throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
2031 CYPool pool;
2032 NSObject *value(CYCastNSObject(pool, context, arguments[0]));
2033 if (value == NULL || !CYIsClass(value))
2034 throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
2035 Class _class((Class) value);
2036 $objc_registerClassPair(_class);
2037 return CYJSUndefined(context);
2038 } CYCatch }
2039 #endif
2040 /* }}} */
2041
2042 static JSValueRef Selector_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2043 JSValueRef setup[count + 2];
2044 setup[0] = _this;
2045 setup[1] = object;
2046 memcpy(setup + 2, arguments, sizeof(JSValueRef) * count);
2047 return $objc_msgSend(context, NULL, NULL, count + 2, setup, exception);
2048 }
2049
2050 static JSValueRef Message_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2051 CYPool pool;
2052 Message_privateData *internal(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate(object)));
2053
2054 // XXX: handle Instance::Uninitialized?
2055 id self(CYCastNSObject(pool, context, _this));
2056
2057 void *setup[2];
2058 setup[0] = &self;
2059 setup[1] = &internal->sel_;
2060
2061 return CYCallFunction(pool, context, 2, setup, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
2062 }
2063
2064 static JSObjectRef Super_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2065 if (count != 2)
2066 throw CYJSError(context, "incorrect number of arguments to Super constructor");
2067 CYPool pool;
2068 id self(CYCastNSObject(pool, context, arguments[0]));
2069 Class _class(CYCastClass(pool, context, arguments[1]));
2070 return cy::Super::Make(context, self, _class);
2071 } CYCatch }
2072
2073 static JSObjectRef Selector_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2074 if (count != 1)
2075 throw CYJSError(context, "incorrect number of arguments to Selector constructor");
2076 CYPool pool;
2077 const char *name(CYPoolCString(pool, context, arguments[0]));
2078 return CYMakeSelector(context, sel_registerName(name));
2079 } CYCatch }
2080
2081 static JSObjectRef Instance_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2082 if (count > 1)
2083 throw CYJSError(context, "incorrect number of arguments to Instance constructor");
2084 id self(count == 0 ? nil : CYCastPointer<id>(context, arguments[0]));
2085 return Instance::Make(context, self);
2086 } CYCatch }
2087
2088 static JSValueRef CYValue_getProperty_value(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2089 CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(object)));
2090 return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
2091 }
2092
2093 static JSValueRef CYValue_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2094 CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
2095 Type_privateData *typical(internal->GetType());
2096
2097 sig::Type *type;
2098 ffi_type *ffi;
2099
2100 if (typical == NULL) {
2101 type = NULL;
2102 ffi = NULL;
2103 } else {
2104 type = typical->type_;
2105 ffi = typical->ffi_;
2106 }
2107
2108 return CYMakePointer(context, &internal->value_, _not(size_t), type, ffi, object);
2109 }
2110
2111 static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2112 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2113 return Instance::Make(context, (id) object_getClass(internal->GetValue()));
2114 }
2115
2116 static JSValueRef Instance_getProperty_protocol(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
2117 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2118 id self(internal->GetValue());
2119 if (!CYIsClass(self))
2120 return CYJSUndefined(context);
2121 return CYGetClassPrototype(context, self);
2122 } CYCatch }
2123
2124 static JSValueRef Instance_getProperty_messages(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2125 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2126 id self(internal->GetValue());
2127 if (!CYIsClass(self))
2128 return CYJSUndefined(context);
2129 return Messages::Make(context, (Class) self);
2130 }
2131
2132 static JSValueRef Instance_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2133 if (!JSValueIsObjectOfClass(context, _this, Instance_))
2134 return NULL;
2135
2136 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2137 return CYCastJSValue(context, CYJSString(context, CYCastNSCYON(internal->GetValue())));
2138 } CYCatch }
2139
2140 static JSValueRef Instance_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2141 if (!JSValueIsObjectOfClass(context, _this, Instance_))
2142 return NULL;
2143
2144 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2145
2146 CYPoolTry {
2147 NSString *key;
2148 if (count == 0)
2149 key = nil;
2150 else
2151 key = CYCastNSString(NULL, context, CYJSString(context, arguments[0]));
2152 // XXX: check for support of cy$toJSON?
2153 return CYCastJSValue(context, CYJSString(context, [internal->GetValue() cy$toJSON:key]));
2154 } CYPoolCatch(NULL)
2155 } CYCatch return /*XXX*/ NULL; }
2156
2157 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2158 if (!JSValueIsObjectOfClass(context, _this, Instance_))
2159 return NULL;
2160
2161 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2162
2163 CYPoolTry {
2164 // XXX: this seems like a stupid implementation; what if it crashes? why not use the CYONifier backend?
2165 return CYCastJSValue(context, CYJSString(context, [internal->GetValue() description]));
2166 } CYPoolCatch(NULL)
2167 } CYCatch return /*XXX*/ NULL; }
2168
2169 static JSValueRef Selector_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2170 Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2171 return CYCastJSValue(context, sel_getName(internal->GetValue()));
2172 } CYCatch }
2173
2174 static JSValueRef Selector_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2175 return Selector_callAsFunction_toString(context, object, _this, count, arguments, exception);
2176 }
2177
2178 static JSValueRef Selector_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2179 Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2180 const char *name(sel_getName(internal->GetValue()));
2181
2182 CYPoolTry {
2183 NSString *string([NSString stringWithFormat:@"@selector(%s)", name]);
2184 return CYCastJSValue(context, CYJSString(context, string));
2185 } CYPoolCatch(NULL)
2186 } CYCatch return /*XXX*/ NULL; }
2187
2188 static JSValueRef Selector_callAsFunction_type(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2189 if (count != 1)
2190 throw CYJSError(context, "incorrect number of arguments to Selector.type");
2191
2192 CYPool pool;
2193 Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2194 SEL sel(internal->GetValue());
2195
2196 objc_method *method;
2197 if (Class _class = CYCastClass(pool, context, arguments[0]))
2198 method = class_getInstanceMethod(_class, sel);
2199 else
2200 method = NULL;
2201
2202 if (const char *type = CYPoolTypeEncoding(pool, context, sel, method))
2203 return CYCastJSValue(context, CYJSString(type));
2204
2205 return CYJSNull(context);
2206 } CYCatch }
2207
2208 static JSStaticValue Selector_staticValues[2] = {
2209 {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete},
2210 {NULL, NULL, NULL, 0}
2211 };
2212
2213 static JSStaticValue Instance_staticValues[5] = {
2214 {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2215 {"messages", &Instance_getProperty_messages, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2216 {"prototype", &Instance_getProperty_protocol, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2217 {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2218 {NULL, NULL, NULL, 0}
2219 };
2220
2221 static JSStaticFunction Instance_staticFunctions[5] = {
2222 {"$cya", &CYValue_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2223 {"toCYON", &Instance_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2224 {"toJSON", &Instance_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2225 {"toString", &Instance_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2226 {NULL, NULL, 0}
2227 };
2228
2229 static JSStaticFunction Internal_staticFunctions[2] = {
2230 {"$cya", &Internal_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2231 {NULL, NULL, 0}
2232 };
2233
2234 static JSStaticFunction Selector_staticFunctions[5] = {
2235 {"toCYON", &Selector_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2236 {"toJSON", &Selector_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2237 {"toString", &Selector_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2238 {"type", &Selector_callAsFunction_type, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2239 {NULL, NULL, 0}
2240 };
2241
2242 void CYObjectiveC_SetupContext(JSContextRef context) {
2243 JSObjectRef global(CYGetGlobalObject(context));
2244 apr_pool_t *pool(CYGetGlobalPool());
2245
2246 Object_type = new(pool) Type_privateData("@");
2247 Selector_type = new(pool) Type_privateData(":");
2248
2249 #ifdef __APPLE__
2250 NSCFBoolean_ = objc_getClass("NSCFBoolean");
2251 NSCFType_ = objc_getClass("NSCFType");
2252 NSMessageBuilder_ = objc_getClass("NSMessageBuilder");
2253 NSZombie_ = objc_getClass("_NSZombie_");
2254 #else
2255 NSBoolNumber_ = objc_getClass("NSBoolNumber");
2256 #endif
2257
2258 NSArray_ = objc_getClass("NSArray");
2259 NSDictionary_ = objc_getClass("NSDictionary");
2260 Object_ = objc_getClass("Object");
2261
2262 JSClassDefinition definition;
2263
2264 definition = kJSClassDefinitionEmpty;
2265 definition.className = "Instance";
2266 definition.staticValues = Instance_staticValues;
2267 definition.staticFunctions = Instance_staticFunctions;
2268 definition.hasProperty = &Instance_hasProperty;
2269 definition.getProperty = &Instance_getProperty;
2270 definition.setProperty = &Instance_setProperty;
2271 definition.deleteProperty = &Instance_deleteProperty;
2272 definition.getPropertyNames = &Instance_getPropertyNames;
2273 definition.callAsConstructor = &Instance_callAsConstructor;
2274 definition.hasInstance = &Instance_hasInstance;
2275 definition.finalize = &CYFinalize;
2276 Instance_ = JSClassCreate(&definition);
2277
2278 definition = kJSClassDefinitionEmpty;
2279 definition.className = "Internal";
2280 definition.staticFunctions = Internal_staticFunctions;
2281 definition.hasProperty = &Internal_hasProperty;
2282 definition.getProperty = &Internal_getProperty;
2283 definition.setProperty = &Internal_setProperty;
2284 definition.getPropertyNames = &Internal_getPropertyNames;
2285 definition.finalize = &CYFinalize;
2286 Internal_ = JSClassCreate(&definition);
2287
2288 definition = kJSClassDefinitionEmpty;
2289 definition.className = "Message";
2290 definition.staticFunctions = cy::Functor::StaticFunctions;
2291 definition.callAsFunction = &Message_callAsFunction;
2292 definition.finalize = &CYFinalize;
2293 Message_ = JSClassCreate(&definition);
2294
2295 definition = kJSClassDefinitionEmpty;
2296 definition.className = "Messages";
2297 definition.hasProperty = &Messages_hasProperty;
2298 definition.getProperty = &Messages_getProperty;
2299 definition.setProperty = &Messages_setProperty;
2300 #if 0 && OBJC_API_VERSION < 2
2301 definition.deleteProperty = &Messages_deleteProperty;
2302 #endif
2303 definition.getPropertyNames = &Messages_getPropertyNames;
2304 definition.finalize = &CYFinalize;
2305 Messages_ = JSClassCreate(&definition);
2306
2307 definition = kJSClassDefinitionEmpty;
2308 definition.className = "Selector";
2309 definition.staticValues = Selector_staticValues;
2310 definition.staticFunctions = Selector_staticFunctions;
2311 definition.callAsFunction = &Selector_callAsFunction;
2312 definition.finalize = &CYFinalize;
2313 Selector_ = JSClassCreate(&definition);
2314
2315 definition = kJSClassDefinitionEmpty;
2316 definition.className = "Super";
2317 definition.staticFunctions = Internal_staticFunctions;
2318 definition.finalize = &CYFinalize;
2319 Super_ = JSClassCreate(&definition);
2320
2321 definition = kJSClassDefinitionEmpty;
2322 definition.className = "ObjectiveC::Classes";
2323 definition.getProperty = &ObjectiveC_Classes_getProperty;
2324 definition.getPropertyNames = &ObjectiveC_Classes_getPropertyNames;
2325 ObjectiveC_Classes_ = JSClassCreate(&definition);
2326
2327 definition = kJSClassDefinitionEmpty;
2328 definition.className = "ObjectiveC::Protocols";
2329 definition.getProperty = &ObjectiveC_Protocols_getProperty;
2330 definition.getPropertyNames = &ObjectiveC_Protocols_getPropertyNames;
2331 ObjectiveC_Protocols_ = JSClassCreate(&definition);
2332
2333 JSObjectRef ObjectiveC(JSObjectMake(context, NULL, NULL));
2334 CYSetProperty(context, global, CYJSString("ObjectiveC"), ObjectiveC);
2335
2336 CYSetProperty(context, ObjectiveC, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Classes_, NULL));
2337 CYSetProperty(context, ObjectiveC, CYJSString("protocols"), JSObjectMake(context, ObjectiveC_Protocols_, NULL));
2338
2339 #if OBJC_API_VERSION >= 2
2340 definition = kJSClassDefinitionEmpty;
2341 definition.className = "ObjectiveC::Images";
2342 definition.getProperty = &ObjectiveC_Images_getProperty;
2343 definition.getPropertyNames = &ObjectiveC_Images_getPropertyNames;
2344 ObjectiveC_Images_ = JSClassCreate(&definition);
2345
2346 definition = kJSClassDefinitionEmpty;
2347 definition.className = "ObjectiveC::Image::Classes";
2348 definition.getProperty = &ObjectiveC_Image_Classes_getProperty;
2349 definition.getPropertyNames = &ObjectiveC_Image_Classes_getPropertyNames;
2350 ObjectiveC_Image_Classes_ = JSClassCreate(&definition);
2351
2352 CYSetProperty(context, ObjectiveC, CYJSString("images"), JSObjectMake(context, ObjectiveC_Images_, NULL));
2353 #endif
2354
2355 JSObjectRef Instance(JSObjectMakeConstructor(context, Instance_, &Instance_new));
2356 JSObjectRef Message(JSObjectMakeConstructor(context, Message_, NULL));
2357 JSObjectRef Selector(JSObjectMakeConstructor(context, Selector_, &Selector_new));
2358 JSObjectRef Super(JSObjectMakeConstructor(context, Super_, &Super_new));
2359
2360 Instance_prototype_ = (JSObjectRef) CYGetProperty(context, Instance, prototype_);
2361 JSValueProtect(context, Instance_prototype_);
2362
2363 CYSetProperty(context, global, CYJSString("Instance"), Instance);
2364 CYSetProperty(context, global, CYJSString("Selector"), Selector);
2365 CYSetProperty(context, global, CYJSString("Super"), Super);
2366
2367 #if defined(__APPLE__) && defined(__arm__)
2368 CYSetProperty(context, global, CYJSString("objc_registerClassPair"), JSObjectMakeFunctionWithCallback(context, CYJSString("objc_registerClassPair"), &objc_registerClassPair_));
2369 MSHookFunction(&objc_registerClassPair, MSHake(objc_registerClassPair));
2370 #endif
2371
2372 CYSetProperty(context, global, CYJSString("objc_msgSend"), JSObjectMakeFunctionWithCallback(context, CYJSString("objc_msgSend"), &$objc_msgSend));
2373
2374 JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Message, prototype_), Function_prototype_);
2375 JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Selector, prototype_), Function_prototype_);
2376
2377 #ifdef __APPLE__
2378 class_addMethod(NSCFType_, @selector(cy$toJSON:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON), "@12@0:4@8");
2379 #endif
2380 }
2381
2382 static CYHooks CYObjectiveCHooks = {
2383 &CYObjectiveC_ExecuteStart,
2384 &CYObjectiveC_ExecuteEnd,
2385 &CYObjectiveC_RuntimeProperty,
2386 &CYObjectiveC_CallFunction,
2387 &CYObjectiveC_SetupContext,
2388 &CYObjectiveC_PoolFFI,
2389 &CYObjectiveC_FromFFI,
2390 };
2391
2392 struct CYObjectiveC {
2393 CYObjectiveC() {
2394 hooks_ = &CYObjectiveCHooks;
2395 }
2396 } CYObjectiveC;