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Half fixed (at least it doesn't throw an exception anymore) NSDictionaries that have...
[cycript.git] / ObjectiveC / Library.mm
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 (NSObject *key in self) {
752 #else
753 NSEnumerator *keys([self keyEnumerator]);
754 while (NSObject *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$getPropertyNames:names inContext:context];
780
781 #ifdef __APPLE__
782 for (NSObject *key in self) {
783 #else
784 NSEnumerator *keys([self keyEnumerator]);
785 while (NSObject *key = [keys nextObject]) {
786 #endif
787 JSPropertyNameAccumulatorAddName(names, CYJSString(context, key));
788 }
789 }
790
791 @end
792 /* }}} */
793 /* Bridge: NSMutableArray {{{ */
794 @implementation NSMutableArray (Cycript)
795
796 - (bool) cy$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 JSValueRef value(CYGetProperty(context_, object_, CYJSString(context_, (NSObject *) key)));
1100 if (JSValueIsUndefined(context_, value))
1101 return nil;
1102 return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1103 } CYObjectiveCatch }
1104
1105 - (NSEnumerator *) keyEnumerator { CYObjectiveTry {
1106 JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1107 NSEnumerator *enumerator([CYCastNSArray(context_, names) objectEnumerator]);
1108 JSPropertyNameArrayRelease(names);
1109 return enumerator;
1110 } CYObjectiveCatch }
1111
1112 - (void) setObject:(id)object forKey:(id)key { CYObjectiveTry {
1113 CYSetProperty(context_, object_, CYJSString(context_, (NSObject *) key), CYCastJSValue(context_, (NSString *) object));
1114 } CYObjectiveCatch }
1115
1116 - (void) removeObjectForKey:(id)key { CYObjectiveTry {
1117 JSValueRef exception(NULL);
1118 (void) JSObjectDeleteProperty(context_, object_, CYJSString(context_, (NSObject *) key), &exception);
1119 CYThrow(context_, exception);
1120 } CYObjectiveCatch }
1121
1122 @end
1123
1124 @implementation CYJSArray
1125
1126 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry {
1127 if ((self = [super init]) != nil) {
1128 object_ = object;
1129 context_ = CYGetJSContext(context);
1130 //XXX:JSGlobalContextRetain(context_);
1131 JSValueProtect(context_, object_);
1132 } return self;
1133 } CYObjectiveCatch }
1134
1135 - (void) dealloc { CYObjectiveTry {
1136 JSValueUnprotect(context_, object_);
1137 //XXX:JSGlobalContextRelease(context_);
1138 [super dealloc];
1139 } CYObjectiveCatch }
1140
1141 - (NSUInteger) count { CYObjectiveTry {
1142 return CYCastDouble(context_, CYGetProperty(context_, object_, length_));
1143 } CYObjectiveCatch }
1144
1145 - (id) objectAtIndex:(NSUInteger)index { CYObjectiveTry {
1146 size_t bounds([self count]);
1147 if (index >= bounds)
1148 @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray objectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1149 JSValueRef exception(NULL);
1150 JSValueRef value(JSObjectGetPropertyAtIndex(context_, object_, index, &exception));
1151 CYThrow(context_, exception);
1152 return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1153 } CYObjectiveCatch }
1154
1155 - (void) addObject:(id)object { CYObjectiveTry {
1156 JSValueRef exception(NULL);
1157 JSValueRef arguments[1];
1158 arguments[0] = CYCastJSValue(context_, (NSObject *) object);
1159 JSObjectCallAsFunction(context_, Array_push_, object_, 1, arguments, &exception);
1160 CYThrow(context_, exception);
1161 } CYObjectiveCatch }
1162
1163 - (void) insertObject:(id)object atIndex:(NSUInteger)index { CYObjectiveTry {
1164 size_t bounds([self count] + 1);
1165 if (index >= bounds)
1166 @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray insertObject:atIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1167 JSValueRef exception(NULL);
1168 JSValueRef arguments[3];
1169 arguments[0] = CYCastJSValue(context_, index);
1170 arguments[1] = CYCastJSValue(context_, 0);
1171 arguments[2] = CYCastJSValue(context_, (NSObject *) object);
1172 JSObjectCallAsFunction(context_, Array_splice_, object_, 3, arguments, &exception);
1173 CYThrow(context_, exception);
1174 } CYObjectiveCatch }
1175
1176 - (void) removeLastObject { CYObjectiveTry {
1177 JSValueRef exception(NULL);
1178 JSObjectCallAsFunction(context_, Array_pop_, object_, 0, NULL, &exception);
1179 CYThrow(context_, exception);
1180 } CYObjectiveCatch }
1181
1182 - (void) removeObjectAtIndex:(NSUInteger)index { CYObjectiveTry {
1183 size_t bounds([self count]);
1184 if (index >= bounds)
1185 @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray removeObjectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1186 JSValueRef exception(NULL);
1187 JSValueRef arguments[2];
1188 arguments[0] = CYCastJSValue(context_, index);
1189 arguments[1] = CYCastJSValue(context_, 1);
1190 JSObjectCallAsFunction(context_, Array_splice_, object_, 2, arguments, &exception);
1191 CYThrow(context_, exception);
1192 } CYObjectiveCatch }
1193
1194 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)object { CYObjectiveTry {
1195 size_t bounds([self count]);
1196 if (index >= bounds)
1197 @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray replaceObjectAtIndex:withObject:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1198 CYSetProperty(context_, object_, index, CYCastJSValue(context_, (NSObject *) object));
1199 } CYObjectiveCatch }
1200
1201 @end
1202
1203 // XXX: use objc_getAssociatedObject and objc_setAssociatedObject on 10.6
1204 struct CYInternal :
1205 CYData
1206 {
1207 JSObjectRef object_;
1208
1209 CYInternal() :
1210 object_(NULL)
1211 {
1212 }
1213
1214 ~CYInternal() {
1215 // XXX: delete object_? ;(
1216 }
1217
1218 static CYInternal *Get(id self) {
1219 CYInternal *internal(NULL);
1220 if (object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal)) == NULL) {
1221 // XXX: do something epic? ;P
1222 }
1223
1224 return internal;
1225 }
1226
1227 static CYInternal *Set(id self) {
1228 CYInternal *internal(NULL);
1229 if (objc_ivar *ivar = object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal))) {
1230 if (internal == NULL) {
1231 internal = new CYInternal();
1232 object_setIvar(self, ivar, reinterpret_cast<id>(internal));
1233 }
1234 } else {
1235 // XXX: do something epic? ;P
1236 }
1237
1238 return internal;
1239 }
1240
1241 bool HasProperty(JSContextRef context, JSStringRef name) {
1242 if (object_ == NULL)
1243 return false;
1244 return JSObjectHasProperty(context, object_, name);
1245 }
1246
1247 JSValueRef GetProperty(JSContextRef context, JSStringRef name) {
1248 if (object_ == NULL)
1249 return NULL;
1250 return CYGetProperty(context, object_, name);
1251 }
1252
1253 void SetProperty(JSContextRef context, JSStringRef name, JSValueRef value) {
1254 if (object_ == NULL)
1255 object_ = JSObjectMake(context, NULL, NULL);
1256 CYSetProperty(context, object_, name, value);
1257 }
1258 };
1259
1260 static JSObjectRef CYMakeSelector(JSContextRef context, SEL sel) {
1261 Selector_privateData *internal(new Selector_privateData(sel));
1262 return JSObjectMake(context, Selector_, internal);
1263 }
1264
1265 static SEL CYCastSEL(JSContextRef context, JSValueRef value) {
1266 if (JSValueIsObjectOfClass(context, value, Selector_)) {
1267 Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
1268 return reinterpret_cast<SEL>(internal->value_);
1269 } else
1270 return CYCastPointer<SEL>(context, value);
1271 }
1272
1273 void *CYObjectiveC_ExecuteStart(JSContextRef context) {
1274 // XXX: deal with exceptions!
1275 return (void *) [[NSAutoreleasePool alloc] init];
1276 }
1277
1278 void CYObjectiveC_ExecuteEnd(JSContextRef context, void *handle) {
1279 // XXX: deal with exceptions!
1280 return [(NSAutoreleasePool *) handle release];
1281 }
1282
1283 JSValueRef CYObjectiveC_RuntimeProperty(JSContextRef context, CYUTF8String name) { CYPoolTry {
1284 if (name == "nil")
1285 return Instance::Make(context, nil);
1286 if (Class _class = objc_getClass(name.data))
1287 return CYMakeInstance(context, _class, true);
1288 return NULL;
1289 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1290
1291 static void CYObjectiveC_CallFunction(JSContextRef context, ffi_cif *cif, void (*function)(), uint8_t *value, void **values) { @try {
1292 ffi_call(cif, function, value, values);
1293 } @catch (NSException *error ) {
1294 throw CYJSError(context, CYCastJSValue(context, error));
1295 } }
1296
1297 static bool CYObjectiveC_PoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) { CYPoolTry {
1298 switch (type->primitive) {
1299 case sig::object_P:
1300 case sig::typename_P:
1301 *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
1302 break;
1303
1304 case sig::selector_P:
1305 *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
1306 break;
1307
1308 default:
1309 return false;
1310 }
1311
1312 return true;
1313 } CYPoolCatch(false) return /*XXX*/ NULL; }
1314
1315 static JSValueRef CYObjectiveC_FromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) { CYPoolTry {
1316 switch (type->primitive) {
1317 case sig::object_P:
1318 if (NSObject *object = *reinterpret_cast<NSObject **>(data)) {
1319 JSValueRef value(CYCastJSValue(context, object));
1320 if (initialize)
1321 [object release];
1322 return value;
1323 } else goto null;
1324
1325 case sig::typename_P:
1326 return CYMakeInstance(context, *reinterpret_cast<Class *>(data), true);
1327
1328 case sig::selector_P:
1329 if (SEL sel = *reinterpret_cast<SEL *>(data))
1330 return CYMakeSelector(context, sel);
1331 else goto null;
1332
1333 null:
1334 return CYJSNull(context);
1335 default:
1336 return NULL;
1337 }
1338 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1339
1340 static bool CYImplements(id object, Class _class, SEL selector, bool devoid) {
1341 if (objc_method *method = class_getInstanceMethod(_class, selector)) {
1342 if (!devoid)
1343 return true;
1344 #if OBJC_API_VERSION >= 2
1345 char type[16];
1346 method_getReturnType(method, type, sizeof(type));
1347 #else
1348 const char *type(method_getTypeEncoding(method));
1349 #endif
1350 if (type[0] != 'v')
1351 return true;
1352 }
1353
1354 // XXX: possibly use a more "awesome" check?
1355 return false;
1356 }
1357
1358 static const char *CYPoolTypeEncoding(apr_pool_t *pool, JSContextRef context, SEL sel, objc_method *method) {
1359 if (method != NULL)
1360 return method_getTypeEncoding(method);
1361
1362 const char *name(sel_getName(sel));
1363
1364 sqlite3_stmt *statement;
1365
1366 _sqlcall(sqlite3_prepare(Bridge_,
1367 "select "
1368 "\"bridge\".\"value\" "
1369 "from \"bridge\" "
1370 "where"
1371 " \"bridge\".\"mode\" = -1 and"
1372 " \"bridge\".\"name\" = ?"
1373 " limit 1"
1374 , -1, &statement, NULL));
1375
1376 _trace();
1377 _sqlcall(sqlite3_bind_text(statement, 1, name, -1, SQLITE_STATIC));
1378
1379 const char *value;
1380 if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE) {
1381 _trace();
1382 value = NULL;}
1383 else {
1384 _trace();
1385 value = sqlite3_column_pooled(pool, statement, 0);
1386 }
1387
1388 _sqlcall(sqlite3_finalize(statement));
1389
1390 if (value != NULL)
1391 return value;
1392 _trace();
1393 return NULL;
1394 }
1395
1396 static void MessageClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
1397 Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
1398
1399 JSContextRef context(internal->context_);
1400
1401 size_t count(internal->cif_.nargs);
1402 JSValueRef values[count];
1403
1404 for (size_t index(0); index != count; ++index)
1405 values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
1406
1407 JSObjectRef _this(CYCastJSObject(context, values[0]));
1408
1409 JSValueRef value(CYCallAsFunction(context, internal->function_, _this, count - 2, values + 2));
1410 CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
1411 }
1412
1413 static JSObjectRef CYMakeMessage(JSContextRef context, SEL sel, IMP imp, const char *type) {
1414 Message_privateData *internal(new Message_privateData(sel, type, imp));
1415 return JSObjectMake(context, Message_, internal);
1416 }
1417
1418 static IMP CYMakeMessage(JSContextRef context, JSValueRef value, const char *type) {
1419 JSObjectRef function(CYCastJSObject(context, value));
1420 Closure_privateData *internal(CYMakeFunctor_(context, function, type, &MessageClosure_));
1421 return reinterpret_cast<IMP>(internal->GetValue());
1422 }
1423
1424 static bool Messages_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1425 Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1426 Class _class(internal->GetValue());
1427
1428 CYPool pool;
1429 const char *name(CYPoolCString(pool, context, property));
1430
1431 if (SEL sel = sel_getUid(name))
1432 if (class_getInstanceMethod(_class, sel) != NULL)
1433 return true;
1434
1435 return false;
1436 }
1437
1438 static JSValueRef Messages_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1439 Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1440 Class _class(internal->GetValue());
1441
1442 CYPool pool;
1443 const char *name(CYPoolCString(pool, context, property));
1444
1445 if (SEL sel = sel_getUid(name))
1446 if (objc_method *method = class_getInstanceMethod(_class, sel))
1447 return CYMakeMessage(context, sel, method_getImplementation(method), method_getTypeEncoding(method));
1448
1449 return NULL;
1450 }
1451
1452 static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
1453 Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1454 Class _class(internal->GetValue());
1455
1456 CYPool pool;
1457 const char *name(CYPoolCString(pool, context, property));
1458
1459 SEL sel(sel_registerName(name));
1460
1461 objc_method *method(class_getInstanceMethod(_class, sel));
1462
1463 const char *type;
1464 IMP imp;
1465
1466 if (JSValueIsObjectOfClass(context, value, Message_)) {
1467 Message_privateData *message(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
1468 type = sig::Unparse(pool, &message->signature_);
1469 imp = reinterpret_cast<IMP>(message->GetValue());
1470 } else {
1471 type = CYPoolTypeEncoding(pool, context, sel, method);
1472 imp = CYMakeMessage(context, value, type);
1473 }
1474
1475 if (method != NULL)
1476 method_setImplementation(method, imp);
1477 else {
1478 #ifdef GNU_RUNTIME
1479 GSMethodList list(GSAllocMethodList(1));
1480 GSAppendMethodToList(list, sel, type, imp, YES);
1481 GSAddMethodList(_class, list, YES);
1482 GSFlushMethodCacheForClass(_class);
1483 #else
1484 class_addMethod(_class, sel, imp, type);
1485 #endif
1486 }
1487
1488 return true;
1489 }
1490
1491 #if 0 && OBJC_API_VERSION < 2
1492 static bool Messages_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1493 Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1494 Class _class(internal->GetValue());
1495
1496 CYPool pool;
1497 const char *name(CYPoolCString(pool, context, property));
1498
1499 if (SEL sel = sel_getUid(name))
1500 if (objc_method *method = class_getInstanceMethod(_class, sel)) {
1501 objc_method_list list = {NULL, 1, {method}};
1502 class_removeMethods(_class, &list);
1503 return true;
1504 }
1505
1506 return false;
1507 }
1508 #endif
1509
1510 static void Messages_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1511 Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1512 Class _class(internal->GetValue());
1513
1514 #if OBJC_API_VERSION >= 2
1515 unsigned int size;
1516 objc_method **data(class_copyMethodList(_class, &size));
1517 for (size_t i(0); i != size; ++i)
1518 JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(data[i]))));
1519 free(data);
1520 #else
1521 for (objc_method_list *methods(_class->methods); methods != NULL; methods = methods->method_next)
1522 for (int i(0); i != methods->method_count; ++i)
1523 JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(&methods->method_list[i]))));
1524 #endif
1525 }
1526
1527 static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1528 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1529 id self(internal->GetValue());
1530
1531 if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1532 return true;
1533
1534 CYPool pool;
1535 NSString *name(CYCastNSString(pool, context, property));
1536
1537 if (CYInternal *internal = CYInternal::Get(self))
1538 if (internal->HasProperty(context, property))
1539 return true;
1540
1541 Class _class(object_getClass(self));
1542
1543 CYPoolTry {
1544 // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1545 if (CYImplements(self, _class, @selector(cy$hasProperty:), false))
1546 if ([self cy$hasProperty:name])
1547 return true;
1548 } CYPoolCatch(false)
1549
1550 const char *string(CYPoolCString(pool, context, name));
1551
1552 #ifdef __APPLE__
1553 if (class_getProperty(_class, string) != NULL)
1554 return true;
1555 #endif
1556
1557 if (SEL sel = sel_getUid(string))
1558 if (CYImplements(self, _class, sel, true))
1559 return true;
1560
1561 return false;
1562 }
1563
1564 static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1565 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1566 id self(internal->GetValue());
1567
1568 if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1569 return Internal::Make(context, self, object);
1570
1571 CYPool pool;
1572 NSString *name(CYCastNSString(pool, context, property));
1573
1574 if (CYInternal *internal = CYInternal::Get(self))
1575 if (JSValueRef value = internal->GetProperty(context, property))
1576 return value;
1577
1578 CYPoolTry {
1579 if (NSObject *data = [self cy$getProperty:name])
1580 return CYCastJSValue(context, data);
1581 } CYPoolCatch(NULL)
1582
1583 const char *string(CYPoolCString(pool, context, name));
1584 Class _class(object_getClass(self));
1585
1586 #ifdef __APPLE__
1587 if (objc_property_t property = class_getProperty(_class, string)) {
1588 PropertyAttributes attributes(property);
1589 SEL sel(sel_registerName(attributes.Getter()));
1590 return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
1591 }
1592 #endif
1593
1594 if (SEL sel = sel_getUid(string))
1595 if (CYImplements(self, _class, sel, true))
1596 return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
1597
1598 return NULL;
1599 } CYCatch }
1600
1601 static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1602 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1603 id self(internal->GetValue());
1604
1605 CYPool pool;
1606
1607 NSString *name(CYCastNSString(pool, context, property));
1608 NSObject *data(CYCastNSObject(pool, context, value));
1609
1610 CYPoolTry {
1611 if ([self cy$setProperty:name to:data])
1612 return true;
1613 } CYPoolCatch(NULL)
1614
1615 const char *string(CYPoolCString(pool, context, name));
1616 Class _class(object_getClass(self));
1617
1618 #ifdef __APPLE__
1619 if (objc_property_t property = class_getProperty(_class, string)) {
1620 PropertyAttributes attributes(property);
1621 if (const char *setter = attributes.Setter()) {
1622 SEL sel(sel_registerName(setter));
1623 JSValueRef arguments[1] = {value};
1624 CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
1625 return true;
1626 }
1627 }
1628 #endif
1629
1630 size_t length(strlen(string));
1631
1632 char set[length + 5];
1633
1634 set[0] = 's';
1635 set[1] = 'e';
1636 set[2] = 't';
1637
1638 if (string[0] != '\0') {
1639 set[3] = toupper(string[0]);
1640 memcpy(set + 4, string + 1, length - 1);
1641 }
1642
1643 set[length + 3] = ':';
1644 set[length + 4] = '\0';
1645
1646 if (SEL sel = sel_getUid(set))
1647 if (CYImplements(self, _class, sel, false)) {
1648 JSValueRef arguments[1] = {value};
1649 CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
1650 }
1651
1652 if (CYInternal *internal = CYInternal::Set(self)) {
1653 internal->SetProperty(context, property, value);
1654 return true;
1655 }
1656
1657 return false;
1658 } CYCatch }
1659
1660 static bool Instance_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1661 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1662 id self(internal->GetValue());
1663
1664 CYPoolTry {
1665 NSString *name(CYCastNSString(NULL, context, property));
1666 return [self cy$deleteProperty:name];
1667 } CYPoolCatch(NULL)
1668 } CYCatch return /*XXX*/ NULL; }
1669
1670 static void Instance_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1671 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1672 id self(internal->GetValue());
1673
1674 CYPool pool;
1675 Class _class(object_getClass(self));
1676
1677 #ifdef __APPLE__
1678 {
1679 unsigned int size;
1680 objc_property_t *data(class_copyPropertyList(_class, &size));
1681 for (size_t i(0); i != size; ++i)
1682 JSPropertyNameAccumulatorAddName(names, CYJSString(property_getName(data[i])));
1683 free(data);
1684 }
1685 #endif
1686
1687 CYPoolTry {
1688 // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1689 if (CYImplements(self, _class, @selector(cy$getPropertyNames:inContext:), false))
1690 [self cy$getPropertyNames:names inContext:context];
1691 } CYPoolCatch()
1692 }
1693
1694 static JSObjectRef Instance_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1695 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1696 JSObjectRef value(Instance::Make(context, [internal->GetValue() alloc], Instance::Uninitialized));
1697 return value;
1698 } CYCatch }
1699
1700 static bool Instance_hasInstance(JSContextRef context, JSObjectRef constructor, JSValueRef instance, JSValueRef *exception) { CYTry {
1701 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) constructor)));
1702 Class _class(internal->GetValue());
1703 if (!CYIsClass(_class))
1704 return false;
1705
1706 if (JSValueIsObjectOfClass(context, instance, Instance_)) {
1707 Instance *linternal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) instance)));
1708 // XXX: this isn't always safe
1709 return [linternal->GetValue() isKindOfClass:_class];
1710 }
1711
1712 return false;
1713 } CYCatch }
1714
1715 static bool Internal_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1716 Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1717 CYPool pool;
1718
1719 id self(internal->GetValue());
1720 const char *name(CYPoolCString(pool, context, property));
1721
1722 if (object_getInstanceVariable(self, name, NULL) != NULL)
1723 return true;
1724
1725 return false;
1726 }
1727
1728 static JSValueRef Internal_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1729 Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1730 CYPool pool;
1731
1732 id self(internal->GetValue());
1733 const char *name(CYPoolCString(pool, context, property));
1734
1735 if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {
1736 Type_privateData type(pool, ivar_getTypeEncoding(ivar));
1737 // XXX: if this fails and throws an exception the person we are throwing it to gets the wrong exception
1738 return CYFromFFI(context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar));
1739 }
1740
1741 return NULL;
1742 } CYCatch }
1743
1744 static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1745 Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1746 CYPool pool;
1747
1748 id self(internal->GetValue());
1749 const char *name(CYPoolCString(pool, context, property));
1750
1751 if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {
1752 Type_privateData type(pool, ivar_getTypeEncoding(ivar));
1753 CYPoolFFI(pool, context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar), value);
1754 return true;
1755 }
1756
1757 return false;
1758 } CYCatch }
1759
1760 static void Internal_getPropertyNames_(Class _class, JSPropertyNameAccumulatorRef names) {
1761 if (Class super = class_getSuperclass(_class))
1762 Internal_getPropertyNames_(super, names);
1763
1764 #if OBJC_API_VERSION >= 2
1765 unsigned int size;
1766 objc_ivar **data(class_copyIvarList(_class, &size));
1767 for (size_t i(0); i != size; ++i)
1768 JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(data[i])));
1769 free(data);
1770 #else
1771 if (objc_ivar_list *ivars = _class->ivars)
1772 for (int i(0); i != ivars->ivar_count; ++i)
1773 JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(&ivars->ivar_list[i])));
1774 #endif
1775 }
1776
1777 static void Internal_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1778 Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1779 CYPool pool;
1780
1781 id self(internal->GetValue());
1782 Class _class(object_getClass(self));
1783
1784 Internal_getPropertyNames_(_class, names);
1785 }
1786
1787 static JSValueRef Internal_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1788 Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1789 return internal->GetOwner();
1790 }
1791
1792 static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1793 CYPool pool;
1794 NSString *name(CYCastNSString(pool, context, property));
1795 if (Class _class = NSClassFromString(name))
1796 return CYMakeInstance(context, _class, true);
1797 return NULL;
1798 } CYCatch }
1799
1800 static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1801 #ifdef __APPLE__
1802 size_t size(objc_getClassList(NULL, 0));
1803 Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));
1804
1805 get:
1806 size_t writ(objc_getClassList(data, size));
1807 if (size < writ) {
1808 size = writ;
1809 if (Class *copy = reinterpret_cast<Class *>(realloc(data, sizeof(Class) * writ))) {
1810 data = copy;
1811 goto get;
1812 } else goto done;
1813 }
1814
1815 for (size_t i(0); i != writ; ++i)
1816 JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(data[i])));
1817
1818 done:
1819 free(data);
1820 #else
1821 void *state(NULL);
1822 while (Class _class = objc_next_class(&state))
1823 JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(_class)));
1824 #endif
1825 }
1826
1827 #if OBJC_API_VERSION >= 2
1828 static JSValueRef ObjectiveC_Image_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1829 const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
1830
1831 CYPool pool;
1832 const char *name(CYPoolCString(pool, context, property));
1833 unsigned int size;
1834 const char **data(objc_copyClassNamesForImage(internal, &size));
1835 JSValueRef value;
1836 for (size_t i(0); i != size; ++i)
1837 if (strcmp(name, data[i]) == 0) {
1838 if (Class _class = objc_getClass(name)) {
1839 value = CYMakeInstance(context, _class, true);
1840 goto free;
1841 } else
1842 break;
1843 }
1844 value = NULL;
1845 free:
1846 free(data);
1847 return value;
1848 } CYCatch }
1849
1850 static void ObjectiveC_Image_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1851 const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
1852 unsigned int size;
1853 const char **data(objc_copyClassNamesForImage(internal, &size));
1854 for (size_t i(0); i != size; ++i)
1855 JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
1856 free(data);
1857 }
1858
1859 static JSValueRef ObjectiveC_Images_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1860 CYPool pool;
1861 const char *name(CYPoolCString(pool, context, property));
1862 unsigned int size;
1863 const char **data(objc_copyImageNames(&size));
1864 for (size_t i(0); i != size; ++i)
1865 if (strcmp(name, data[i]) == 0) {
1866 name = data[i];
1867 goto free;
1868 }
1869 name = NULL;
1870 free:
1871 free(data);
1872 if (name == NULL)
1873 return NULL;
1874 JSObjectRef value(JSObjectMake(context, NULL, NULL));
1875 CYSetProperty(context, value, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Image_Classes_, const_cast<char *>(name)));
1876 return value;
1877 } CYCatch }
1878
1879 static void ObjectiveC_Images_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1880 unsigned int size;
1881 const char **data(objc_copyImageNames(&size));
1882 for (size_t i(0); i != size; ++i)
1883 JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
1884 free(data);
1885 }
1886 #endif
1887
1888 static JSValueRef ObjectiveC_Protocols_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1889 CYPool pool;
1890 const char *name(CYPoolCString(pool, context, property));
1891 if (Protocol *protocol = objc_getProtocol(name))
1892 return CYMakeInstance(context, protocol, true);
1893 return NULL;
1894 } CYCatch }
1895
1896 static void ObjectiveC_Protocols_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1897 #if OBJC_API_VERSION >= 2
1898 unsigned int size;
1899 Protocol **data(objc_copyProtocolList(&size));
1900 for (size_t i(0); i != size; ++i)
1901 JSPropertyNameAccumulatorAddName(names, CYJSString(protocol_getName(data[i])));
1902 free(data);
1903 #else
1904 // XXX: fix this!
1905 #endif
1906 }
1907
1908 #ifdef __APPLE__
1909 static bool stret(ffi_type *ffi_type) {
1910 return ffi_type->type == FFI_TYPE_STRUCT && (
1911 ffi_type->size > OBJC_MAX_STRUCT_BY_VALUE ||
1912 struct_forward_array[ffi_type->size] != 0
1913 );
1914 }
1915 #endif
1916
1917 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 {
1918 const char *type;
1919
1920 if (_class == NULL)
1921 _class = object_getClass(self);
1922
1923 IMP imp;
1924
1925 if (objc_method *method = class_getInstanceMethod(_class, _cmd)) {
1926 imp = method_getImplementation(method);
1927 type = method_getTypeEncoding(method);
1928 } else {
1929 imp = NULL;
1930
1931 CYPoolTry {
1932 NSMethodSignature *method([self methodSignatureForSelector:_cmd]);
1933 if (method == nil)
1934 throw CYJSError(context, "unrecognized selector %s sent to object %p", sel_getName(_cmd), self);
1935 type = CYPoolCString(pool, context, [method _typeString]);
1936 } CYPoolCatch(NULL)
1937 }
1938
1939 void *setup[2];
1940 setup[0] = &self;
1941 setup[1] = &_cmd;
1942
1943 sig::Signature signature;
1944 sig::Parse(pool, &signature, type, &Structor_);
1945
1946 ffi_cif cif;
1947 sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
1948
1949 if (imp == NULL) {
1950 #ifdef __APPLE__
1951 if (stret(cif.rtype))
1952 imp = class_getMethodImplementation_stret(_class, _cmd);
1953 else
1954 imp = class_getMethodImplementation(_class, _cmd);
1955 #else
1956 objc_super super = {self, _class};
1957 imp = objc_msg_lookup_super(&super, _cmd);
1958 #endif
1959 }
1960
1961 void (*function)() = reinterpret_cast<void (*)()>(imp);
1962 return CYCallFunction(pool, context, 2, setup, count, arguments, initialize, exception, &signature, &cif, function);
1963 } CYCatch }
1964
1965 static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1966 if (count < 2)
1967 throw CYJSError(context, "too few arguments to objc_msgSend");
1968
1969 CYPool pool;
1970
1971 bool uninitialized;
1972
1973 id self;
1974 SEL _cmd;
1975 Class _class;
1976
1977 if (JSValueIsObjectOfClass(context, arguments[0], Super_)) {
1978 cy::Super *internal(reinterpret_cast<cy::Super *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
1979 self = internal->GetValue();
1980 _class = internal->class_;;
1981 uninitialized = false;
1982 } else if (JSValueIsObjectOfClass(context, arguments[0], Instance_)) {
1983 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
1984 self = internal->GetValue();
1985 _class = nil;
1986 uninitialized = internal->IsUninitialized();
1987 if (uninitialized)
1988 internal->value_ = nil;
1989 } else {
1990 self = CYCastNSObject(pool, context, arguments[0]);
1991 _class = nil;
1992 uninitialized = false;
1993 }
1994
1995 if (self == nil)
1996 return CYJSNull(context);
1997
1998 _cmd = CYCastSEL(context, arguments[1]);
1999
2000 return CYSendMessage(pool, context, self, _class, _cmd, count - 2, arguments + 2, uninitialized, exception);
2001 } CYCatch }
2002
2003 /* Hook: objc_registerClassPair {{{ */
2004 #if defined(__APPLE__) && defined(__arm__)
2005 // XXX: replace this with associated objects
2006
2007 MSHook(void, CYDealloc, id self, SEL sel) {
2008 CYInternal *internal;
2009 object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal));
2010 if (internal != NULL)
2011 delete internal;
2012 _CYDealloc(self, sel);
2013 }
2014
2015 MSHook(void, objc_registerClassPair, Class _class) {
2016 Class super(class_getSuperclass(_class));
2017 if (super == NULL || class_getInstanceVariable(super, "cy$internal_") == NULL) {
2018 class_addIvar(_class, "cy$internal_", sizeof(CYInternal *), log2(sizeof(CYInternal *)), "^{CYInternal}");
2019 MSHookMessage(_class, @selector(dealloc), MSHake(CYDealloc));
2020 }
2021
2022 _objc_registerClassPair(_class);
2023 }
2024
2025 static JSValueRef objc_registerClassPair_(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2026 if (count != 1)
2027 throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
2028 CYPool pool;
2029 NSObject *value(CYCastNSObject(pool, context, arguments[0]));
2030 if (value == NULL || !CYIsClass(value))
2031 throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
2032 Class _class((Class) value);
2033 $objc_registerClassPair(_class);
2034 return CYJSUndefined(context);
2035 } CYCatch }
2036 #endif
2037 /* }}} */
2038
2039 static JSValueRef Selector_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2040 JSValueRef setup[count + 2];
2041 setup[0] = _this;
2042 setup[1] = object;
2043 memcpy(setup + 2, arguments, sizeof(JSValueRef) * count);
2044 return $objc_msgSend(context, NULL, NULL, count + 2, setup, exception);
2045 }
2046
2047 static JSValueRef Message_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2048 CYPool pool;
2049 Message_privateData *internal(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate(object)));
2050
2051 // XXX: handle Instance::Uninitialized?
2052 id self(CYCastNSObject(pool, context, _this));
2053
2054 void *setup[2];
2055 setup[0] = &self;
2056 setup[1] = &internal->sel_;
2057
2058 return CYCallFunction(pool, context, 2, setup, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
2059 }
2060
2061 static JSObjectRef Super_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2062 if (count != 2)
2063 throw CYJSError(context, "incorrect number of arguments to Super constructor");
2064 CYPool pool;
2065 id self(CYCastNSObject(pool, context, arguments[0]));
2066 Class _class(CYCastClass(pool, context, arguments[1]));
2067 return cy::Super::Make(context, self, _class);
2068 } CYCatch }
2069
2070 static JSObjectRef Selector_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2071 if (count != 1)
2072 throw CYJSError(context, "incorrect number of arguments to Selector constructor");
2073 CYPool pool;
2074 const char *name(CYPoolCString(pool, context, arguments[0]));
2075 return CYMakeSelector(context, sel_registerName(name));
2076 } CYCatch }
2077
2078 static JSObjectRef Instance_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2079 if (count > 1)
2080 throw CYJSError(context, "incorrect number of arguments to Instance constructor");
2081 id self(count == 0 ? nil : CYCastPointer<id>(context, arguments[0]));
2082 return Instance::Make(context, self);
2083 } CYCatch }
2084
2085 static JSValueRef CYValue_getProperty_value(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2086 CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(object)));
2087 return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
2088 }
2089
2090 static JSValueRef CYValue_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2091 CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
2092 Type_privateData *typical(internal->GetType());
2093
2094 sig::Type *type;
2095 ffi_type *ffi;
2096
2097 if (typical == NULL) {
2098 type = NULL;
2099 ffi = NULL;
2100 } else {
2101 type = typical->type_;
2102 ffi = typical->ffi_;
2103 }
2104
2105 return CYMakePointer(context, &internal->value_, _not(size_t), type, ffi, object);
2106 }
2107
2108 static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2109 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2110 return Instance::Make(context, (id) object_getClass(internal->GetValue()));
2111 }
2112
2113 static JSValueRef Instance_getProperty_protocol(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
2114 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2115 id self(internal->GetValue());
2116 if (!CYIsClass(self))
2117 return CYJSUndefined(context);
2118 return CYGetClassPrototype(context, self);
2119 } CYCatch }
2120
2121 static JSValueRef Instance_getProperty_messages(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2122 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2123 id self(internal->GetValue());
2124 if (!CYIsClass(self))
2125 return CYJSUndefined(context);
2126 return Messages::Make(context, (Class) self);
2127 }
2128
2129 static JSValueRef Instance_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2130 if (!JSValueIsObjectOfClass(context, _this, Instance_))
2131 return NULL;
2132
2133 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2134 return CYCastJSValue(context, CYJSString(context, CYCastNSCYON(internal->GetValue())));
2135 } CYCatch }
2136
2137 static JSValueRef Instance_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2138 if (!JSValueIsObjectOfClass(context, _this, Instance_))
2139 return NULL;
2140
2141 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2142
2143 CYPoolTry {
2144 NSString *key;
2145 if (count == 0)
2146 key = nil;
2147 else
2148 key = CYCastNSString(NULL, context, CYJSString(context, arguments[0]));
2149 // XXX: check for support of cy$toJSON?
2150 return CYCastJSValue(context, CYJSString(context, [internal->GetValue() cy$toJSON:key]));
2151 } CYPoolCatch(NULL)
2152 } CYCatch return /*XXX*/ NULL; }
2153
2154 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2155 if (!JSValueIsObjectOfClass(context, _this, Instance_))
2156 return NULL;
2157
2158 Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2159
2160 CYPoolTry {
2161 // XXX: this seems like a stupid implementation; what if it crashes? why not use the CYONifier backend?
2162 return CYCastJSValue(context, CYJSString(context, [internal->GetValue() description]));
2163 } CYPoolCatch(NULL)
2164 } CYCatch return /*XXX*/ NULL; }
2165
2166 static JSValueRef Selector_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2167 Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2168 return CYCastJSValue(context, sel_getName(internal->GetValue()));
2169 } CYCatch }
2170
2171 static JSValueRef Selector_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2172 return Selector_callAsFunction_toString(context, object, _this, count, arguments, exception);
2173 }
2174
2175 static JSValueRef Selector_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2176 Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2177 const char *name(sel_getName(internal->GetValue()));
2178
2179 CYPoolTry {
2180 NSString *string([NSString stringWithFormat:@"@selector(%s)", name]);
2181 return CYCastJSValue(context, CYJSString(context, string));
2182 } CYPoolCatch(NULL)
2183 } CYCatch return /*XXX*/ NULL; }
2184
2185 static JSValueRef Selector_callAsFunction_type(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2186 if (count != 1)
2187 throw CYJSError(context, "incorrect number of arguments to Selector.type");
2188
2189 CYPool pool;
2190 Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2191 SEL sel(internal->GetValue());
2192
2193 objc_method *method;
2194 if (Class _class = CYCastClass(pool, context, arguments[0]))
2195 method = class_getInstanceMethod(_class, sel);
2196 else
2197 method = NULL;
2198
2199 if (const char *type = CYPoolTypeEncoding(pool, context, sel, method))
2200 return CYCastJSValue(context, CYJSString(type));
2201
2202 return CYJSNull(context);
2203 } CYCatch }
2204
2205 static JSStaticValue Selector_staticValues[2] = {
2206 {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete},
2207 {NULL, NULL, NULL, 0}
2208 };
2209
2210 static JSStaticValue Instance_staticValues[5] = {
2211 {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2212 {"messages", &Instance_getProperty_messages, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2213 {"prototype", &Instance_getProperty_protocol, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2214 {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2215 {NULL, NULL, NULL, 0}
2216 };
2217
2218 static JSStaticFunction Instance_staticFunctions[5] = {
2219 {"$cya", &CYValue_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2220 {"toCYON", &Instance_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2221 {"toJSON", &Instance_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2222 {"toString", &Instance_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2223 {NULL, NULL, 0}
2224 };
2225
2226 static JSStaticFunction Internal_staticFunctions[2] = {
2227 {"$cya", &Internal_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2228 {NULL, NULL, 0}
2229 };
2230
2231 static JSStaticFunction Selector_staticFunctions[5] = {
2232 {"toCYON", &Selector_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2233 {"toJSON", &Selector_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2234 {"toString", &Selector_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2235 {"type", &Selector_callAsFunction_type, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2236 {NULL, NULL, 0}
2237 };
2238
2239 void CYObjectiveC_SetupContext(JSContextRef context) {
2240 JSObjectRef global(CYGetGlobalObject(context));
2241 apr_pool_t *pool(CYGetGlobalPool());
2242
2243 Object_type = new(pool) Type_privateData("@");
2244 Selector_type = new(pool) Type_privateData(":");
2245
2246 #ifdef __APPLE__
2247 NSCFBoolean_ = objc_getClass("NSCFBoolean");
2248 NSCFType_ = objc_getClass("NSCFType");
2249 NSMessageBuilder_ = objc_getClass("NSMessageBuilder");
2250 NSZombie_ = objc_getClass("_NSZombie_");
2251 #else
2252 NSBoolNumber_ = objc_getClass("NSBoolNumber");
2253 #endif
2254
2255 NSArray_ = objc_getClass("NSArray");
2256 NSDictionary_ = objc_getClass("NSDictionary");
2257 Object_ = objc_getClass("Object");
2258
2259 JSClassDefinition definition;
2260
2261 definition = kJSClassDefinitionEmpty;
2262 definition.className = "Instance";
2263 definition.staticValues = Instance_staticValues;
2264 definition.staticFunctions = Instance_staticFunctions;
2265 definition.hasProperty = &Instance_hasProperty;
2266 definition.getProperty = &Instance_getProperty;
2267 definition.setProperty = &Instance_setProperty;
2268 definition.deleteProperty = &Instance_deleteProperty;
2269 definition.getPropertyNames = &Instance_getPropertyNames;
2270 definition.callAsConstructor = &Instance_callAsConstructor;
2271 definition.hasInstance = &Instance_hasInstance;
2272 definition.finalize = &CYFinalize;
2273 Instance_ = JSClassCreate(&definition);
2274
2275 definition = kJSClassDefinitionEmpty;
2276 definition.className = "Internal";
2277 definition.staticFunctions = Internal_staticFunctions;
2278 definition.hasProperty = &Internal_hasProperty;
2279 definition.getProperty = &Internal_getProperty;
2280 definition.setProperty = &Internal_setProperty;
2281 definition.getPropertyNames = &Internal_getPropertyNames;
2282 definition.finalize = &CYFinalize;
2283 Internal_ = JSClassCreate(&definition);
2284
2285 definition = kJSClassDefinitionEmpty;
2286 definition.className = "Message";
2287 definition.staticFunctions = cy::Functor::StaticFunctions;
2288 definition.callAsFunction = &Message_callAsFunction;
2289 definition.finalize = &CYFinalize;
2290 Message_ = JSClassCreate(&definition);
2291
2292 definition = kJSClassDefinitionEmpty;
2293 definition.className = "Messages";
2294 definition.hasProperty = &Messages_hasProperty;
2295 definition.getProperty = &Messages_getProperty;
2296 definition.setProperty = &Messages_setProperty;
2297 #if 0 && OBJC_API_VERSION < 2
2298 definition.deleteProperty = &Messages_deleteProperty;
2299 #endif
2300 definition.getPropertyNames = &Messages_getPropertyNames;
2301 definition.finalize = &CYFinalize;
2302 Messages_ = JSClassCreate(&definition);
2303
2304 definition = kJSClassDefinitionEmpty;
2305 definition.className = "Selector";
2306 definition.staticValues = Selector_staticValues;
2307 definition.staticFunctions = Selector_staticFunctions;
2308 definition.callAsFunction = &Selector_callAsFunction;
2309 definition.finalize = &CYFinalize;
2310 Selector_ = JSClassCreate(&definition);
2311
2312 definition = kJSClassDefinitionEmpty;
2313 definition.className = "Super";
2314 definition.staticFunctions = Internal_staticFunctions;
2315 definition.finalize = &CYFinalize;
2316 Super_ = JSClassCreate(&definition);
2317
2318 definition = kJSClassDefinitionEmpty;
2319 definition.className = "ObjectiveC::Classes";
2320 definition.getProperty = &ObjectiveC_Classes_getProperty;
2321 definition.getPropertyNames = &ObjectiveC_Classes_getPropertyNames;
2322 ObjectiveC_Classes_ = JSClassCreate(&definition);
2323
2324 definition = kJSClassDefinitionEmpty;
2325 definition.className = "ObjectiveC::Protocols";
2326 definition.getProperty = &ObjectiveC_Protocols_getProperty;
2327 definition.getPropertyNames = &ObjectiveC_Protocols_getPropertyNames;
2328 ObjectiveC_Protocols_ = JSClassCreate(&definition);
2329
2330 JSObjectRef ObjectiveC(JSObjectMake(context, NULL, NULL));
2331 CYSetProperty(context, global, CYJSString("ObjectiveC"), ObjectiveC);
2332
2333 CYSetProperty(context, ObjectiveC, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Classes_, NULL));
2334 CYSetProperty(context, ObjectiveC, CYJSString("protocols"), JSObjectMake(context, ObjectiveC_Protocols_, NULL));
2335
2336 #if OBJC_API_VERSION >= 2
2337 definition = kJSClassDefinitionEmpty;
2338 definition.className = "ObjectiveC::Images";
2339 definition.getProperty = &ObjectiveC_Images_getProperty;
2340 definition.getPropertyNames = &ObjectiveC_Images_getPropertyNames;
2341 ObjectiveC_Images_ = JSClassCreate(&definition);
2342
2343 definition = kJSClassDefinitionEmpty;
2344 definition.className = "ObjectiveC::Image::Classes";
2345 definition.getProperty = &ObjectiveC_Image_Classes_getProperty;
2346 definition.getPropertyNames = &ObjectiveC_Image_Classes_getPropertyNames;
2347 ObjectiveC_Image_Classes_ = JSClassCreate(&definition);
2348
2349 CYSetProperty(context, ObjectiveC, CYJSString("images"), JSObjectMake(context, ObjectiveC_Images_, NULL));
2350 #endif
2351
2352 JSObjectRef Instance(JSObjectMakeConstructor(context, Instance_, &Instance_new));
2353 JSObjectRef Message(JSObjectMakeConstructor(context, Message_, NULL));
2354 JSObjectRef Selector(JSObjectMakeConstructor(context, Selector_, &Selector_new));
2355 JSObjectRef Super(JSObjectMakeConstructor(context, Super_, &Super_new));
2356
2357 Instance_prototype_ = (JSObjectRef) CYGetProperty(context, Instance, prototype_);
2358 JSValueProtect(context, Instance_prototype_);
2359
2360 CYSetProperty(context, global, CYJSString("Instance"), Instance);
2361 CYSetProperty(context, global, CYJSString("Selector"), Selector);
2362 CYSetProperty(context, global, CYJSString("Super"), Super);
2363
2364 #if defined(__APPLE__) && defined(__arm__)
2365 CYSetProperty(context, global, CYJSString("objc_registerClassPair"), JSObjectMakeFunctionWithCallback(context, CYJSString("objc_registerClassPair"), &objc_registerClassPair_));
2366 MSHookFunction(&objc_registerClassPair, MSHake(objc_registerClassPair));
2367 #endif
2368
2369 CYSetProperty(context, global, CYJSString("objc_msgSend"), JSObjectMakeFunctionWithCallback(context, CYJSString("objc_msgSend"), &$objc_msgSend));
2370
2371 JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Message, prototype_), Function_prototype_);
2372 JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Selector, prototype_), Function_prototype_);
2373
2374 #ifdef __APPLE__
2375 class_addMethod(NSCFType_, @selector(cy$toJSON:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON), "@12@0:4@8");
2376 #endif
2377 }
2378
2379 static CYHooks CYObjectiveCHooks = {
2380 &CYObjectiveC_ExecuteStart,
2381 &CYObjectiveC_ExecuteEnd,
2382 &CYObjectiveC_RuntimeProperty,
2383 &CYObjectiveC_CallFunction,
2384 &CYObjectiveC_SetupContext,
2385 &CYObjectiveC_PoolFFI,
2386 &CYObjectiveC_FromFFI,
2387 };
2388
2389 struct CYObjectiveC {
2390 CYObjectiveC() {
2391 hooks_ = &CYObjectiveCHooks;
2392 }
2393 } CYObjectiveC;