-/* Cyrker - Remove Execution Server and Disassembler
+/* Cyrker - Remove Execution Server and Disassembler
* Copyright (C) 2009 Jay Freeman (saurik)
*/
+/* Modified BSD License {{{ */
/*
* Redistribution and use in source and binary
* forms, with or without modification, are permitted
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+/* }}} */
#include <substrate.h>
+#include "Struct.hpp"
+
+#include "sig/parse.hpp"
+#include "sig/ffi_type.hpp"
+
+#include <apr-1/apr_pools.h>
+#include <apr-1/apr_strings.h>
#include <unistd.h>
#include <sys/socket.h>
#include <netinet/in.h>
-/* XXX: bad _assert */
+#undef _assert
+#undef _trace
+
#define _assert(test) do { \
- if ((test)) break; \
- CFLog(kCFLogLevelNotice, CFSTR("_assert(%u)"), __LINE__); \
+ if (!(test)) \
+ @throw [NSException exceptionWithName:NSInternalInconsistencyException reason:[NSString stringWithFormat:@"_assert(%s):%s(%u):%s", #test, __FILE__, __LINE__, __FUNCTION__] userInfo:nil]; \
} while (false)
#define _trace() do { \
- CFLog(kCFLogLevelNotice, CFSTR("_trace(%u)"), __LINE__); \
+ CFLog(kCFLogLevelNotice, CFSTR("_trace():%u"), __LINE__); \
} while (false)
+/* Objective-C Handle<> {{{ */
+template <typename Type_>
+class _H {
+ typedef _H<Type_> This_;
+
+ private:
+ Type_ *value_;
+
+ _finline void Retain_() {
+ if (value_ != nil)
+ [value_ retain];
+ }
+
+ _finline void Clear_() {
+ if (value_ != nil)
+ [value_ release];
+ }
+
+ public:
+ _finline _H(const This_ &rhs) :
+ value_(rhs.value_ == nil ? nil : [rhs.value_ retain])
+ {
+ }
+
+ _finline _H(Type_ *value = NULL, bool mended = false) :
+ value_(value)
+ {
+ if (!mended)
+ Retain_();
+ }
+
+ _finline ~_H() {
+ Clear_();
+ }
+
+ _finline operator Type_ *() const {
+ return value_;
+ }
+
+ _finline This_ &operator =(Type_ *value) {
+ if (value_ != value) {
+ Type_ *old(value_);
+ value_ = value;
+ Retain_();
+ if (old != nil)
+ [old release];
+ } return *this;
+ }
+};
+/* }}} */
+/* APR Pool Helpers {{{ */
+void *operator new(size_t size, apr_pool_t *pool) {
+ return apr_palloc(pool, size);
+}
+
+void *operator new [](size_t size, apr_pool_t *pool) {
+ return apr_palloc(pool, size);
+}
+
+class CYPool {
+ private:
+ apr_pool_t *pool_;
+
+ public:
+ CYPool() {
+ apr_pool_create(&pool_, NULL);
+ }
+
+ ~CYPool() {
+ apr_pool_destroy(pool_);
+ }
+
+ operator apr_pool_t *() const {
+ return pool_;
+ }
+};
+/* }}} */
+
+#define _pooled _H<NSAutoreleasePool> _pool([[NSAutoreleasePool alloc] init], true);
+
static JSContextRef Context_;
-static JSClassRef joc_;
+
+static JSClassRef Functor_;
+static JSClassRef Instance_;
+static JSClassRef Pointer_;
+static JSClassRef Selector_;
+
static JSObjectRef Array_;
+
+static JSStringRef name_;
+static JSStringRef message_;
static JSStringRef length_;
+
static Class NSCFBoolean_;
+static NSMutableDictionary *Bridge_;
+
struct Client {
CFHTTPMessageRef message_;
CFSocketRef socket_;
};
-@interface NSObject (Cyrver)
+JSObjectRef CYMakeObject(JSContextRef context, id object) {
+ return JSObjectMake(context, Instance_, [object retain]);
+}
+
+@interface NSMethodSignature (Cycript)
+- (NSString *) _typeString;
+@end
+
+@interface NSObject (Cycript)
- (NSString *) cy$toJSON;
+- (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
+@end
+
+@interface NSString (Cycript)
+- (void *) cy$symbol;
+@end
+
+@interface NSNumber (Cycript)
+- (void *) cy$symbol;
@end
-@implementation NSObject (Cyrver)
+@implementation NSObject (Cycript)
+
- (NSString *) cy$toJSON {
- return [NSString stringWithFormat:@"<%@>", [self description]];
-} @end
+ return [self description];
+}
+
+- (JSValueRef) cy$JSValueInContext:(JSContextRef)context {
+ return CYMakeObject(context, self);
+}
+
+@end
+
+@implementation WebUndefined (Cycript)
-@implementation WebUndefined (Cyrver)
- (NSString *) cy$toJSON {
return @"undefined";
-} @end
+}
+
+- (JSValueRef) cy$JSValueInContext:(JSContextRef)context {
+ return JSValueMakeUndefined(context);
+}
+
+@end
+
+@implementation NSArray (Cycript)
-@implementation NSArray (Cyrver)
- (NSString *) cy$toJSON {
NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
[json appendString:@"["];
bool comma(false);
- for (NSObject *object in self) {
+ for (id object in self) {
if (comma)
[json appendString:@","];
else
[json appendString:@"]"];
return json;
-} @end
+}
+
+@end
+
+@implementation NSDictionary (Cycript)
+
+- (NSString *) cy$toJSON {
+ NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
+ [json appendString:@"("];
+ [json appendString:@"{"];
+
+ bool comma(false);
+ for (id key in self) {
+ if (comma)
+ [json appendString:@","];
+ else
+ comma = true;
+ [json appendString:[key cy$toJSON]];
+ [json appendString:@":"];
+ NSObject *object([self objectForKey:key]);
+ [json appendString:[object cy$toJSON]];
+ }
+
+ [json appendString:@"})"];
+ return json;
+}
+
+@end
+
+@implementation NSNumber (Cycript)
-@implementation NSNumber (Cyrver)
- (NSString *) cy$toJSON {
return [self class] != NSCFBoolean_ ? [self stringValue] : [self boolValue] ? @"true" : @"false";
-} @end
+}
+
+- (JSValueRef) cy$JSValueInContext:(JSContextRef)context {
+ return [self class] != NSCFBoolean_ ? JSValueMakeNumber(context, [self doubleValue]) : JSValueMakeBoolean(context, [self boolValue]);
+}
+
+- (void *) cy$symbol {
+ return [self pointerValue];
+}
+
+@end
+
+@implementation NSString (Cycript)
-@implementation NSString (Cyrver)
- (NSString *) cy$toJSON {
CFMutableStringRef json(CFStringCreateMutableCopy(kCFAllocatorDefault, 0, (CFStringRef) self));
- /* XXX: I can't believe there isn't a safe helper function for this... */
CFStringFindAndReplace(json, CFSTR("\\"), CFSTR("\\\\"), CFRangeMake(0, CFStringGetLength(json)), 0);
CFStringFindAndReplace(json, CFSTR("\""), CFSTR("\\\""), CFRangeMake(0, CFStringGetLength(json)), 0);
CFStringFindAndReplace(json, CFSTR("\t"), CFSTR("\\t"), CFRangeMake(0, CFStringGetLength(json)), 0);
CFStringInsert(json, 0, CFSTR("\""));
CFStringAppend(json, CFSTR("\""));
- return (NSString *) json;
-} @end
+ return [reinterpret_cast<const NSString *>(json) autorelease];
+}
-@interface CY$JSArray : NSArray {
+- (void *) cy$symbol {
+ return dlsym(RTLD_DEFAULT, [self UTF8String]);
+}
+
+@end
+
+@interface CYJSObject : NSDictionary {
+ JSObjectRef object_;
+ JSContextRef context_;
+}
+
+- (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
+
+- (NSUInteger) count;
+- (id) objectForKey:(id)key;
+- (NSEnumerator *) keyEnumerator;
+- (void) setObject:(id)object forKey:(id)key;
+- (void) removeObjectForKey:(id)key;
+
+@end
+
+@interface CYJSArray : NSArray {
JSObjectRef object_;
JSContextRef context_;
}
@end
-static id JSObjectToNSObject(JSContextRef ctx, JSObjectRef object) {
- if (JSValueIsObjectOfClass(ctx, object, joc_))
+JSContextRef JSGetContext() {
+ return Context_;
+}
+
+#define CYCatch \
+ @catch (id error) { \
+ CYThrow(context, error, exception); \
+ return NULL; \
+ }
+
+void CYThrow(JSContextRef context, JSValueRef value);
+
+id CYCastNSObject(JSContextRef context, JSObjectRef object) {
+ if (JSValueIsObjectOfClass(context, object, Instance_))
return reinterpret_cast<id>(JSObjectGetPrivate(object));
- else if (JSValueIsInstanceOfConstructor(ctx, object, Array_, NULL))
- return [[[CY$JSArray alloc] initWithJSObject:object inContext:ctx] autorelease];
- else
- return @"Hello";
- //return [[[CY$JSObject alloc] initWithJSObject:object inContext:ctx] autorelease];
+ JSValueRef exception(NULL);
+ bool array(JSValueIsInstanceOfConstructor(context, object, Array_, &exception));
+ CYThrow(context, exception);
+ if (array)
+ return [[[CYJSArray alloc] initWithJSObject:object inContext:context] autorelease];
+ return [[[CYJSObject alloc] initWithJSObject:object inContext:context] autorelease];
}
-static CFTypeRef JSValueToCFTypeCopy(JSContextRef ctx, JSValueRef value) {
- JSType type(JSValueGetType(ctx, value));
+JSStringRef CYCopyJSString(id value) {
+ return JSStringCreateWithCFString(reinterpret_cast<CFStringRef>([value description]));
+}
- switch (type) {
- case kJSTypeUndefined:
- return [WebUndefined undefined];
- break;
+JSStringRef CYCopyJSString(const char *value) {
+ return JSStringCreateWithUTF8CString(value);
+}
- case kJSTypeNull:
- return nil;
- break;
+JSStringRef CYCopyJSString(JSStringRef value) {
+ return JSStringRetain(value);
+}
- case kJSTypeBoolean:
- return CFRetain(JSValueToBoolean(ctx, value) ? kCFBooleanTrue : kCFBooleanFalse);
- break;
+JSStringRef CYCopyJSString(JSContextRef context, JSValueRef value) {
+ JSValueRef exception(NULL);
+ JSStringRef string(JSValueToStringCopy(context, value, &exception));
+ CYThrow(context, exception);
+ return string;
+}
- case kJSTypeNumber: {
- double number(JSValueToNumber(ctx, value, NULL));
- return CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, &number);
- } break;
+// XXX: this is not a safe handle
+class CYString {
+ private:
+ JSStringRef string_;
- case kJSTypeString: {
- JSStringRef string(JSValueToStringCopy(ctx, value, NULL));
- CFStringRef object(JSStringCopyCFString(kCFAllocatorDefault, string));
- JSStringRelease(string);
- return object;
- } break;
+ public:
+ template <typename Arg0_>
+ CYString(Arg0_ arg0) {
+ string_ = CYCopyJSString(arg0);
+ }
- case kJSTypeObject:
- return CFRetain((CFTypeRef) JSObjectToNSObject(ctx, (JSObjectRef) value));
- break;
+ template <typename Arg0_, typename Arg1_>
+ CYString(Arg0_ arg0, Arg1_ arg1) {
+ string_ = CYCopyJSString(arg0, arg1);
+ }
+
+ ~CYString() {
+ JSStringRelease(string_);
+ }
+
+ operator JSStringRef() const {
+ return string_;
+ }
+};
+CFStringRef CYCopyCFString(JSStringRef value) {
+ return JSStringCopyCFString(kCFAllocatorDefault, value);
+}
+
+CFStringRef CYCopyCFString(JSContextRef context, JSValueRef value) {
+ return CYCopyCFString(CYString(context, value));
+}
+
+double CYCastDouble(JSContextRef context, JSValueRef value) {
+ JSValueRef exception(NULL);
+ double number(JSValueToNumber(context, value, &exception));
+ CYThrow(context, exception);
+ return number;
+}
+
+CFNumberRef CYCopyCFNumber(JSContextRef context, JSValueRef value) {
+ double number(CYCastDouble(context, value));
+ return CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, &number);
+}
+
+NSString *CYCastNSString(JSStringRef value) {
+ return [reinterpret_cast<const NSString *>(CYCopyCFString(value)) autorelease];
+}
+
+CFTypeRef CYCopyCFType(JSContextRef context, JSValueRef value) {
+ switch (JSType type = JSValueGetType(context, value)) {
+ case kJSTypeUndefined:
+ return CFRetain([WebUndefined undefined]);
+ case kJSTypeNull:
+ return nil;
+ case kJSTypeBoolean:
+ return CFRetain(JSValueToBoolean(context, value) ? kCFBooleanTrue : kCFBooleanFalse);
+ case kJSTypeNumber:
+ return CYCopyCFNumber(context, value);
+ case kJSTypeString:
+ return CYCopyCFString(context, value);
+ case kJSTypeObject:
+ return CFRetain((CFTypeRef) CYCastNSObject(context, (JSObjectRef) value));
default:
- _assert(false);
- return NULL;
- break;
+ @throw [NSException exceptionWithName:NSInternalInconsistencyException reason:[NSString stringWithFormat:@"JSValueGetType() == 0x%x", type] userInfo:nil];
}
}
-static id JSValueToNSObject(JSContextRef ctx, JSValueRef value) {
- id object((id) JSValueToCFTypeCopy(ctx, value));
+NSArray *CYCastNSArray(JSPropertyNameArrayRef names) {
+ size_t size(JSPropertyNameArrayGetCount(names));
+ NSMutableArray *array([NSMutableArray arrayWithCapacity:size]);
+ for (size_t index(0); index != size; ++index)
+ [array addObject:CYCastNSString(JSPropertyNameArrayGetNameAtIndex(names, index))];
+ return array;
+}
+
+id CYCastNSObject(JSContextRef context, JSValueRef value) {
+ const NSObject *object(reinterpret_cast<const NSObject *>(CYCopyCFType(context, value)));
return object == nil ? nil : [object autorelease];
}
-@implementation CY$JSArray
+void CYThrow(JSContextRef context, JSValueRef value) {
+ if (value == NULL)
+ return;
+ @throw CYCastNSObject(context, value);
+}
+
+JSValueRef CYCastJSValue(JSContextRef context, id value) {
+ return value == nil ? JSValueMakeNull(context) : [value cy$JSValueInContext:context];
+}
+
+void CYThrow(JSContextRef context, id error, JSValueRef *exception) {
+ *exception = CYCastJSValue(context, error);
+}
+
+@implementation CYJSObject
- (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context {
if ((self = [super init]) != nil) {
}
- (NSUInteger) count {
- return JSValueToNumber(context_, JSObjectGetProperty(context_, object_, length_, NULL), NULL);
+ JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
+ size_t size(JSPropertyNameArrayGetCount(names));
+ JSPropertyNameArrayRelease(names);
+ return size;
+}
+
+- (id) objectForKey:(id)key {
+ JSValueRef exception(NULL);
+ JSValueRef value(JSObjectGetProperty(context_, object_, CYString(key), &exception));
+ CYThrow(context_, exception);
+ return CYCastNSObject(context_, value);
+}
+
+- (NSEnumerator *) keyEnumerator {
+ JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
+ NSEnumerator *enumerator([CYCastNSArray(names) objectEnumerator]);
+ JSPropertyNameArrayRelease(names);
+ return enumerator;
+}
+
+- (void) setObject:(id)object forKey:(id)key {
+ JSValueRef exception(NULL);
+ JSObjectSetProperty(context_, object_, CYString(key), CYCastJSValue(context_, object), kJSPropertyAttributeNone, &exception);
+ CYThrow(context_, exception);
+}
+
+- (void) removeObjectForKey:(id)key {
+ JSValueRef exception(NULL);
+ // XXX: this returns a bool... throw exception, or ignore?
+ JSObjectDeleteProperty(context_, object_, CYString(key), &exception);
+ CYThrow(context_, exception);
+}
+
+@end
+
+@implementation CYJSArray
+
+- (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context {
+ if ((self = [super init]) != nil) {
+ object_ = object;
+ context_ = context;
+ } return self;
+}
+
+- (NSUInteger) count {
+ JSValueRef exception(NULL);
+ JSValueRef value(JSObjectGetProperty(context_, object_, length_, &exception));
+ CYThrow(context_, exception);
+ return CYCastDouble(context_, value);
}
- (id) objectAtIndex:(NSUInteger)index {
- JSValueRef value(JSObjectGetPropertyAtIndex(context_, object_, index, NULL));
- id object(JSValueToNSObject(context_, value));
+ JSValueRef exception(NULL);
+ JSValueRef value(JSObjectGetPropertyAtIndex(context_, object_, index, &exception));
+ CYThrow(context_, exception);
+ id object(CYCastNSObject(context_, value));
return object == nil ? [NSNull null] : object;
}
@end
-static CFStringRef JSValueToJSONCopy(JSContextRef ctx, JSValueRef value) {
- id object(JSValueToNSObject(ctx, value));
- return (CFStringRef) [(object == nil ? @"null" : [object cy$toJSON]) retain];
+CFStringRef JSValueToJSONCopy(JSContextRef context, JSValueRef value) {
+ id object(CYCastNSObject(context, value));
+ return reinterpret_cast<CFStringRef>([(object == nil ? @"null" : [object cy$toJSON]) retain]);
}
static void OnData(CFSocketRef socket, CFSocketCallBackType type, CFDataRef address, const void *value, void *info) {
JSStringRef script(JSStringCreateWithCFString(code));
CFRelease(code);
- JSValueRef result(JSEvaluateScript(Context_, script, NULL, NULL, 0, NULL));
+ JSValueRef result(JSEvaluateScript(JSGetContext(), script, NULL, NULL, 0, NULL));
JSStringRelease(script);
CFHTTPMessageRef response(CFHTTPMessageCreateResponse(kCFAllocatorDefault, 200, NULL, kCFHTTPVersion1_1));
CFHTTPMessageSetHeaderFieldValue(response, CFSTR("Content-Type"), CFSTR("application/json; charset=utf-8"));
- CFStringRef json(JSValueToJSONCopy(Context_, result));
+ CFStringRef json(JSValueToJSONCopy(JSGetContext(), result));
CFDataRef body(CFStringCreateExternalRepresentation(kCFAllocatorDefault, json, kCFStringEncodingUTF8, NULL));
CFRelease(json);
}
}
-static JSValueRef joc_getProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef *exception) {
- return NULL;
+static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { _pooled
+ @try {
+ NSString *name(CYCastNSString(property));
+ NSLog(@"%@", name);
+ return NULL;
+ } CYCatch
+}
+
+typedef id jocData;
+
+static JSObjectRef Instance_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { _pooled
+ @try {
+ id data(reinterpret_cast<jocData>(JSObjectGetPrivate(object)));
+ return CYMakeObject(context, [[data alloc] autorelease]);
+ } CYCatch
+}
+
+struct ptrData {
+ apr_pool_t *pool_;
+ void *value_;
+ sig::Type type_;
+
+ void *operator new(size_t size) {
+ apr_pool_t *pool;
+ apr_pool_create(&pool, NULL);
+ void *data(apr_palloc(pool, size));
+ reinterpret_cast<ptrData *>(data)->pool_ = pool;
+ return data;;
+ }
+
+ ptrData(void *value) :
+ value_(value)
+ {
+ }
+};
+
+struct ffiData : ptrData {
+ sig::Signature signature_;
+ ffi_cif cif_;
+
+ ffiData(void (*value)(), const char *type) :
+ ptrData(reinterpret_cast<void *>(value))
+ {
+ sig::Parse(pool_, &signature_, type);
+ sig::sig_ffi_cif(pool_, &sig::ObjectiveC, &signature_, &cif_);
+ }
+};
+
+struct selData : ptrData {
+ selData(SEL value) :
+ ptrData(value)
+ {
+ }
+};
+
+static void Pointer_finalize(JSObjectRef object) {
+ ptrData *data(reinterpret_cast<ptrData *>(JSObjectGetPrivate(object)));
+ apr_pool_destroy(data->pool_);
+}
+
+static void Instance_finalize(JSObjectRef object) {
+ id data(reinterpret_cast<jocData>(JSObjectGetPrivate(object)));
+ [data release];
+}
+
+JSObjectRef CYMakeFunction(JSContextRef context, void (*function)(), const char *type) {
+ ffiData *data(new ffiData(function, type));
+ return JSObjectMake(context, Functor_, data);
+}
+
+
+JSObjectRef CYMakeFunction(JSContextRef context, void *function, const char *type) {
+ return CYMakeFunction(context, reinterpret_cast<void (*)()>(function), type);
+}
+
+void CYSetProperty(JSContextRef context, JSObjectRef object, const char *name, JSValueRef value) {
+ JSValueRef exception(NULL);
+ JSObjectSetProperty(context, object, CYString(name), value, kJSPropertyAttributeNone, &exception);
+ CYThrow(context, exception);
+}
+
+char *CYPoolCString(apr_pool_t *pool, JSStringRef value) {
+ size_t size(JSStringGetMaximumUTF8CStringSize(value));
+ char *string(new(pool) char[size]);
+ JSStringGetUTF8CString(value, string, size);
+ JSStringRelease(value);
+ return string;
+}
+
+char *CYPoolCString(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
+ return CYPoolCString(pool, CYString(context, value));
+}
+
+// XXX: this macro is unhygenic
+#define CYCastCString(context, value) ({ \
+ JSValueRef exception(NULL); \
+ JSStringRef string(JSValueToStringCopy(context, value, &exception)); \
+ CYThrow(context, exception); \
+ size_t size(JSStringGetMaximumUTF8CStringSize(string)); \
+ char *utf8(reinterpret_cast<char *>(alloca(size))); \
+ JSStringGetUTF8CString(string, utf8, size); \
+ JSStringRelease(string); \
+ utf8; \
+})
+
+SEL CYCastSEL(JSContextRef context, JSValueRef value) {
+ if (JSValueIsNull(context, value))
+ return NULL;
+ else if (JSValueIsObjectOfClass(context, value, Selector_)) {
+ selData *data(reinterpret_cast<selData *>(JSObjectGetPrivate((JSObjectRef) value)));
+ return reinterpret_cast<SEL>(data->value_);
+ } else
+ return sel_registerName(CYCastCString(context, value));
+}
+
+void *CYCastPointer(JSContextRef context, JSValueRef value) {
+ switch (JSValueGetType(context, value)) {
+ case kJSTypeNull:
+ return NULL;
+ case kJSTypeString:
+ return dlsym(RTLD_DEFAULT, CYCastCString(context, value));
+ case kJSTypeObject:
+ if (JSValueIsObjectOfClass(context, value, Pointer_)) {
+ ptrData *data(reinterpret_cast<ptrData *>(JSObjectGetPrivate((JSObjectRef) value)));
+ return data->value_;
+ }
+ default:
+ return reinterpret_cast<void *>(static_cast<uintptr_t>(CYCastDouble(context, value)));
+ }
+}
+
+void CYPoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, void *data, JSValueRef value) {
+ switch (type->primitive) {
+ case sig::boolean_P:
+ *reinterpret_cast<bool *>(data) = JSValueToBoolean(context, value);
+ break;
+
+#define CYPoolFFI_(primitive, native) \
+ case sig::primitive ## _P: \
+ *reinterpret_cast<native *>(data) = CYCastDouble(context, value); \
+ break;
+
+ CYPoolFFI_(uchar, unsigned char)
+ CYPoolFFI_(char, char)
+ CYPoolFFI_(ushort, unsigned short)
+ CYPoolFFI_(short, short)
+ CYPoolFFI_(ulong, unsigned long)
+ CYPoolFFI_(long, long)
+ CYPoolFFI_(uint, unsigned int)
+ CYPoolFFI_(int, int)
+ CYPoolFFI_(ulonglong, unsigned long long)
+ CYPoolFFI_(longlong, long long)
+ CYPoolFFI_(float, float)
+ CYPoolFFI_(double, double)
+
+ case sig::object_P:
+ case sig::typename_P:
+ *reinterpret_cast<id *>(data) = CYCastNSObject(context, value);
+ break;
+
+ case sig::selector_P:
+ *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
+ break;
+
+ case sig::pointer_P:
+ *reinterpret_cast<void **>(data) = CYCastPointer(context, value);
+ break;
+
+ case sig::string_P:
+ *reinterpret_cast<char **>(data) = CYPoolCString(pool, context, value);
+ break;
+
+ case sig::struct_P:
+ goto fail;
+
+ case sig::void_P:
+ break;
+
+ default: fail:
+ NSLog(@"CYPoolFFI(%c)\n", type->primitive);
+ _assert(false);
+ }
+}
+
+JSValueRef CYFromFFI(JSContextRef context, sig::Type *type, void *data) {
+ JSValueRef value;
+
+ switch (type->primitive) {
+ case sig::boolean_P:
+ value = JSValueMakeBoolean(context, *reinterpret_cast<bool *>(data));
+ break;
+
+#define CYFromFFI_(primitive, native) \
+ case sig::primitive ## _P: \
+ value = JSValueMakeNumber(context, *reinterpret_cast<native *>(data)); \
+ break;
+
+ CYFromFFI_(uchar, unsigned char)
+ CYFromFFI_(char, char)
+ CYFromFFI_(ushort, unsigned short)
+ CYFromFFI_(short, short)
+ CYFromFFI_(ulong, unsigned long)
+ CYFromFFI_(long, long)
+ CYFromFFI_(uint, unsigned int)
+ CYFromFFI_(int, int)
+ CYFromFFI_(ulonglong, unsigned long long)
+ CYFromFFI_(longlong, long long)
+ CYFromFFI_(float, float)
+ CYFromFFI_(double, double)
+
+ case sig::object_P:
+ case sig::typename_P: {
+ value = CYCastJSValue(context, *reinterpret_cast<id *>(data));
+ } break;
+
+ case sig::selector_P: {
+ if (SEL sel = *reinterpret_cast<SEL *>(data)) {
+ selData *data(new selData(sel));
+ value = JSObjectMake(context, Selector_, data);
+ } else goto null;
+ } break;
+
+ case sig::pointer_P: {
+ if (void *pointer = *reinterpret_cast<void **>(data)) {
+ ptrData *data(new ptrData(pointer));
+ value = JSObjectMake(context, Pointer_, data);
+ } else goto null;
+ } break;
+
+ case sig::string_P: {
+ if (char *utf8 = *reinterpret_cast<char **>(data))
+ value = JSValueMakeString(context, CYString(utf8));
+ else goto null;
+ } break;
+
+ case sig::struct_P:
+ goto fail;
+
+ case sig::void_P:
+ value = JSValueMakeUndefined(context);
+ break;
+
+ null:
+ value = JSValueMakeNull(context);
+ break;
+
+ default: fail:
+ NSLog(@"CYFromFFI(%c)\n", type->primitive);
+ _assert(false);
+ }
+
+ return value;
+}
+
+static JSValueRef CYCallFunction(JSContextRef context, size_t count, const JSValueRef *arguments, JSValueRef *exception, sig::Signature *signature, ffi_cif *cif, void (*function)()) { _pooled
+ @try {
+ if (count != signature->count - 1)
+ @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"incorrect number of arguments to ffi function" userInfo:nil];
+
+ CYPool pool;
+ void *values[count];
+
+ for (unsigned index(0); index != count; ++index) {
+ sig::Element *element(&signature->elements[index + 1]);
+ // XXX: alignment?
+ values[index] = new(pool) uint8_t[cif->arg_types[index]->size];
+ CYPoolFFI(pool, context, element->type, values[index], arguments[index]);
+ }
+
+ uint8_t value[cif->rtype->size];
+ ffi_call(cif, function, value, values);
+
+ return CYFromFFI(context, signature->elements[0].type, value);
+ } CYCatch
+}
+
+static JSValueRef Global_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { _pooled
+ @try {
+ NSString *name(CYCastNSString(property));
+ if (Class _class = NSClassFromString(name))
+ return CYMakeObject(context, _class);
+ if (NSMutableArray *entry = [Bridge_ objectForKey:name])
+ switch ([[entry objectAtIndex:0] intValue]) {
+ case 0:
+ return JSEvaluateScript(JSGetContext(), CYString([entry objectAtIndex:1]), NULL, NULL, 0, NULL);
+ case 1:
+ return CYMakeFunction(context, [name cy$symbol], [[entry objectAtIndex:1] UTF8String]);
+ case 2:
+ CYPool pool;
+ sig::Signature signature;
+ sig::Parse(pool, &signature, [[entry objectAtIndex:1] UTF8String]);
+ return CYFromFFI(context, signature.elements[0].type, [name cy$symbol]);
+ }
+ return NULL;
+ } CYCatch
}
-static JSValueRef obc_getProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef *exception) {
- NSString *name([(NSString *) JSStringCopyCFString(kCFAllocatorDefault, propertyName) autorelease]);
- if (Class _class = NSClassFromString(name))
- return JSObjectMake(ctx, joc_, _class);
- return NULL;
+bool stret(ffi_type *ffi_type) {
+ return ffi_type->type == FFI_TYPE_STRUCT && (
+ ffi_type->size > OBJC_MAX_STRUCT_BY_VALUE ||
+ struct_forward_array[ffi_type->size] != 0
+ );
}
-extern "C" void TweakInitialize() {
- NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
+static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { _pooled
+ const char *type;
+
+ @try {
+ if (count < 2)
+ @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"too few arguments to objc_msgSend" userInfo:nil];
+
+ id self(CYCastNSObject(context, arguments[0]));
+ if (self == nil)
+ return JSValueMakeNull(context);
+
+ SEL _cmd(CYCastSEL(context, arguments[1]));
+ NSMethodSignature *method([self methodSignatureForSelector:_cmd]);
+ if (method == nil)
+ @throw [NSException exceptionWithName:NSInvalidArgumentException reason:[NSString stringWithFormat:@"unrecognized selector %s sent to object %p", sel_getName(_cmd), self] userInfo:nil];
+
+ type = [[method _typeString] UTF8String];
+ } CYCatch
+
+ CYPool pool;
+
+ sig::Signature signature;
+ sig::Parse(pool, &signature, type);
+
+ ffi_cif cif;
+ sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
+
+ void (*function)() = stret(cif.rtype) ? reinterpret_cast<void (*)()>(&objc_msgSend_stret) : reinterpret_cast<void (*)()>(&objc_msgSend);
+ return CYCallFunction(context, count, arguments, exception, &signature, &cif, function);
+}
+
+static JSValueRef ffi_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
+ ffiData *data(reinterpret_cast<ffiData *>(JSObjectGetPrivate(object)));
+ return CYCallFunction(context, count, arguments, exception, &data->signature_, &data->cif_, reinterpret_cast<void (*)()>(data->value_));
+}
+
+JSObjectRef ffi(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
+ @try {
+ if (count != 2)
+ @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"incorrect number of arguments to ffi constructor" userInfo:nil];
+ void *function(CYCastPointer(context, arguments[0]));
+ const char *type(CYCastCString(context, arguments[1]));
+ return CYMakeFunction(context, function, type);
+ } CYCatch
+}
+
+JSValueRef Pointer_getProperty_value(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
+ ptrData *data(reinterpret_cast<ptrData *>(JSObjectGetPrivate(object)));
+ return JSValueMakeNumber(context, reinterpret_cast<uintptr_t>(data->value_));
+}
+
+static JSStaticValue Pointer_staticValues[2] = {
+ {"value", &Pointer_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete},
+ {NULL, NULL, NULL, 0}
+};
+
+MSInitialize { _pooled
+ apr_initialize();
NSCFBoolean_ = objc_getClass("NSCFBoolean");
JSClassDefinition definition;
definition = kJSClassDefinitionEmpty;
- definition.getProperty = &obc_getProperty;
- JSClassRef obc(JSClassCreate(&definition));
+ definition.className = "Pointer";
+ definition.staticValues = Pointer_staticValues;
+ definition.finalize = &Pointer_finalize;
+ Pointer_ = JSClassCreate(&definition);
+
+ definition = kJSClassDefinitionEmpty;
+ definition.className = "Functor";
+ definition.parentClass = Pointer_;
+ definition.callAsFunction = &ffi_callAsFunction;
+ Functor_ = JSClassCreate(&definition);
definition = kJSClassDefinitionEmpty;
- definition.getProperty = &joc_getProperty;
- joc_ = JSClassCreate(&definition);
+ definition.className = "Selector";
+ definition.parentClass = Pointer_;
+ Selector_ = JSClassCreate(&definition);
- Context_ = JSGlobalContextCreate(obc);
+ definition = kJSClassDefinitionEmpty;
+ definition.className = "Instance_";
+ definition.getProperty = &Instance_getProperty;
+ definition.callAsConstructor = &Instance_callAsConstructor;
+ definition.finalize = &Instance_finalize;
+ Instance_ = JSClassCreate(&definition);
- JSObjectRef global(JSContextGetGlobalObject(Context_));
+ definition = kJSClassDefinitionEmpty;
+ definition.getProperty = &Global_getProperty;
+ JSClassRef Global(JSClassCreate(&definition));
- length_ = JSStringCreateWithUTF8CString("length");
+ JSContextRef context(JSGlobalContextCreate(Global));
+ Context_ = context;
+
+ JSObjectRef global(JSContextGetGlobalObject(context));
- JSStringRef name(JSStringCreateWithUTF8CString("Array"));
- Array_ = JSValueToObject(Context_, JSObjectGetProperty(Context_, global, name, NULL), NULL);
- JSStringRelease(name);
+ CYSetProperty(context, global, "ffi", JSObjectMakeConstructor(context, Functor_, &ffi));
+
+ CYSetProperty(context, global, "objc_msgSend", JSObjectMakeFunctionWithCallback(context, CYString("objc_msgSend"), &$objc_msgSend));
+
+ Bridge_ = [[NSMutableDictionary dictionaryWithContentsOfFile:@"/usr/lib/libcycript.plist"] retain];
+
+ name_ = JSStringCreateWithUTF8CString("name");
+ message_ = JSStringCreateWithUTF8CString("message");
+ length_ = JSStringCreateWithUTF8CString("length");
- [pool release];
+ JSValueRef exception(NULL);
+ JSValueRef value(JSObjectGetProperty(JSGetContext(), global, CYString("Array"), &exception));
+ CYThrow(context, exception);
+ Array_ = JSValueToObject(JSGetContext(), value, &exception);
+ CYThrow(context, exception);
}
projects / cycript.git / blobdiff