X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/b5dd57dc1e068c730142fb1007ce6c43a6ef7090..00b9328fc47038f081ad49fff7c14cc6a7d212b3:/Library.cpp

diff --git a/Library.cpp b/Library.cpp
index cccd69b..ca7b1af 100644
--- a/Library.cpp
+++ b/Library.cpp
@@ -112,6 +112,10 @@ void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, J
     JSObjectSetProperty(context, object, name, value, attributes, &exception);
     CYThrow(context, exception);
 }
+
+void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef (*callback)(JSContextRef, JSObjectRef, JSObjectRef, size_t, const JSValueRef[], JSValueRef *), JSPropertyAttributes attributes = kJSPropertyAttributeNone) {
+    CYSetProperty(context, object, name, JSObjectMakeFunctionWithCallback(context, name, callback), attributes);
+}
 /* }}} */
 /* JavaScript Strings {{{ */
 JSStringRef CYCopyJSString(const char *value) {
@@ -186,19 +190,25 @@ const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, JSValueRef val
 /* Index Offsets {{{ */
 size_t CYGetIndex(const CYUTF8String &value) {
     if (value.data[0] != '0') {
-        char *end;
-        size_t index(strtoul(value.data, &end, 10));
-        if (value.data + value.size == end)
-            return index;
-    } else if (value.data[1] == '\0')
+        size_t index(0);
+        for (size_t i(0); i != value.size; ++i) {
+            if (!DigitRange_[value.data[i]])
+                return _not(size_t);
+            index *= 10;
+            index += value.data[i] - '0';
+        }
+        return index;
+    } else if (value.size == 1)
         return 0;
-    return _not(size_t);
+    else
+        return _not(size_t);
 }
 
 size_t CYGetIndex(apr_pool_t *pool, JSContextRef context, JSStringRef value) {
     return CYGetIndex(CYPoolUTF8String(pool, context, value));
 }
 
+// XXX: this isn't actually right
 bool CYGetOffset(const char *value, ssize_t &index) {
     if (value[0] != '0') {
         char *end;
@@ -294,31 +304,31 @@ static JSGlobalContextRef Context_;
 static JSObjectRef System_;
 
 static JSClassRef Functor_;
+static JSClassRef Global_;
 static JSClassRef Pointer_;
 static JSClassRef Runtime_;
 static JSClassRef Struct_;
 
-static JSStringRef Result_;
-
 JSObjectRef Array_;
 JSObjectRef Error_;
 JSObjectRef Function_;
 JSObjectRef String_;
 
-JSStringRef length_;
-JSStringRef message_;
-JSStringRef name_;
-JSStringRef prototype_;
-JSStringRef toCYON_;
-JSStringRef toJSON_;
-
-JSObjectRef Object_prototype_;
+JSObjectRef Array_prototype_;
 JSObjectRef Function_prototype_;
+JSObjectRef Object_prototype_;
 
-JSObjectRef Array_prototype_;
-JSObjectRef Array_pop_;
-JSObjectRef Array_push_;
-JSObjectRef Array_splice_;
+JSStringRef length_s;
+JSStringRef message_s;
+JSStringRef name_s;
+JSStringRef pop_s;
+JSStringRef prototype_s;
+JSStringRef push_s;
+JSStringRef splice_s;
+JSStringRef toCYON_s;
+JSStringRef toJSON_s;
+
+static JSStringRef Result_;
 
 sqlite3 *Bridge_;
 
@@ -334,8 +344,19 @@ struct CStringMapLess :
     }
 };
 
-void Structor_(apr_pool_t *pool, const char *name, const char *types, sig::Type *&type) {
-    if (name == NULL)
+void Structor_(apr_pool_t *pool, sig::Type *&type) {
+    if (
+        type->primitive == sig::pointer_P &&
+        type->data.data.type != NULL &&
+        type->data.data.type->primitive == sig::struct_P &&
+        strcmp(type->data.data.type->name, "_objc_class") == 0
+    ) {
+        type->primitive = sig::typename_P;
+        type->data.data.type = NULL;
+        return;
+    }
+
+    if (type->primitive != sig::struct_P || type->name == NULL)
         return;
 
     sqlite3_stmt *statement;
@@ -351,7 +372,7 @@ void Structor_(apr_pool_t *pool, const char *name, const char *types, sig::Type
         " limit 1"
     , -1, &statement, NULL));
 
-    _sqlcall(sqlite3_bind_text(statement, 1, name, -1, SQLITE_STATIC));
+    _sqlcall(sqlite3_bind_text(statement, 1, type->name, -1, SQLITE_STATIC));
 
     int mode;
     const char *value;
@@ -390,10 +411,12 @@ struct Pointer :
     CYOwned
 {
     Type_privateData *type_;
+    size_t length_;
 
-    Pointer(void *value, JSContextRef context, JSObjectRef owner, sig::Type *type) :
+    Pointer(void *value, JSContextRef context, JSObjectRef owner, size_t length, sig::Type *type) :
         CYOwned(value, context, owner),
-        type_(new(pool_) Type_privateData(type))
+        type_(new(pool_) Type_privateData(type)),
+        length_(length)
     {
     }
 };
@@ -522,7 +545,7 @@ static size_t Nonce_(0);
 
 static JSValueRef $cyq(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
     CYPool pool;
-    const char *name(apr_psprintf(pool, "%s%zu", CYPoolCString(pool, context, arguments[0]), Nonce_++));
+    const char *name(apr_psprintf(pool, "%s%"APR_SIZE_T_FMT"", CYPoolCString(pool, context, arguments[0]), Nonce_++));
     return CYCastJSValue(context, name);
 }
 
@@ -570,13 +593,13 @@ const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSValueRef value
 }
 
 const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
-    JSValueRef toCYON(CYGetProperty(context, object, toCYON_));
+    JSValueRef toCYON(CYGetProperty(context, object, toCYON_s));
     if (CYIsCallable(context, toCYON)) {
         JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toCYON, object, 0, NULL));
         return CYPoolCString(pool, context, value);
     }
 
-    JSValueRef toJSON(CYGetProperty(context, object, toJSON_));
+    JSValueRef toJSON(CYGetProperty(context, object, toJSON_s));
     if (CYIsCallable(context, toJSON)) {
         JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
         JSValueRef exception(NULL);
@@ -626,7 +649,7 @@ static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef
 
     str << '[';
 
-    JSValueRef length(CYGetProperty(context, _this, length_));
+    JSValueRef length(CYGetProperty(context, _this, length_s));
     bool comma(false);
 
     for (size_t index(0), count(CYCastDouble(context, length)); index != count; ++index) {
@@ -651,8 +674,8 @@ static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef
     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
 } CYCatch }
 
-JSObjectRef CYMakePointer(JSContextRef context, void *pointer, sig::Type *type, ffi_type *ffi, JSObjectRef owner) {
-    Pointer *internal(new Pointer(pointer, context, owner, type));
+JSObjectRef CYMakePointer(JSContextRef context, void *pointer, size_t length, sig::Type *type, ffi_type *ffi, JSObjectRef owner) {
+    Pointer *internal(new Pointer(pointer, context, owner, length, type));
     return JSObjectMake(context, Pointer_, internal);
 }
 
@@ -706,6 +729,27 @@ void CYPoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type
         CYPoolFFI_(float, float)
         CYPoolFFI_(double, double)
 
+        case sig::array_P: {
+            uint8_t *base(reinterpret_cast<uint8_t *>(data));
+            JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL);
+            for (size_t index(0); index != type->data.data.size; ++index) {
+                ffi_type *field(ffi->elements[index]);
+
+                JSValueRef rhs;
+                if (aggregate == NULL)
+                    rhs = value;
+                else {
+                    rhs = CYGetProperty(context, aggregate, index);
+                    if (JSValueIsUndefined(context, rhs))
+                        throw CYJSError(context, "unable to extract array value");
+                }
+
+                CYPoolFFI(pool, context, type->data.data.type, field, base, rhs);
+                // XXX: alignment?
+                base += field->size;
+            }
+        } break;
+
         case sig::pointer_P:
             *reinterpret_cast<void **>(data) = CYCastPointer<void *>(context, value);
         break;
@@ -750,8 +794,7 @@ void CYPoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type
                 if ((*hooks_->PoolFFI)(pool, context, type, ffi, data, value))
                     return;
 
-            fprintf(stderr, "CYPoolFFI(%c)\n", type->primitive);
-            _assert(false);
+            CYThrow("unimplemented signature code: '%c''\n", type->primitive);
     }
 }
 
@@ -777,9 +820,14 @@ JSValueRef CYFromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void
         CYFromFFI_(float, float)
         CYFromFFI_(double, double)
 
+        case sig::array_P:
+            if (void *pointer = data)
+                return CYMakePointer(context, pointer, type->data.data.size, type->data.data.type, NULL, owner);
+            else goto null;
+
         case sig::pointer_P:
             if (void *pointer = *reinterpret_cast<void **>(data))
-                return CYMakePointer(context, pointer, type->data.data.type, ffi, owner);
+                return CYMakePointer(context, pointer, _not(size_t), type->data.data.type, NULL, owner);
             else goto null;
 
         case sig::string_P:
@@ -799,8 +847,7 @@ JSValueRef CYFromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void
                 if (JSValueRef value = (*hooks_->FromFFI)(context, type, ffi, data, initialize, owner))
                     return value;
 
-            fprintf(stderr, "CYFromFFI(%c)\n", type->primitive);
-            _assert(false);
+            CYThrow("unimplemented signature code: '%c''\n", type->primitive);
     }
 }
 
@@ -822,7 +869,7 @@ static void FunctionClosure_(ffi_cif *cif, void *result, void **arguments, void
 Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const char *type, void (*callback)(ffi_cif *, void *, void **, void *)) {
     // XXX: in case of exceptions this will leak
     // XXX: in point of fact, this may /need/ to leak :(
-    Closure_privateData *internal(new Closure_privateData(CYGetJSContext(), function, type));
+    Closure_privateData *internal(new Closure_privateData(context, function, type));
 
     ffi_closure *closure((ffi_closure *) _syscall(mmap(
         NULL, sizeof(ffi_closure),
@@ -902,52 +949,34 @@ static bool Index_(apr_pool_t *pool, JSContextRef context, Struct_privateData *i
     return true;
 }
 
-static JSValueRef Pointer_getIndex(JSContextRef context, JSObjectRef object, size_t index, JSValueRef *exception) { CYTry {
+static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
+    CYPool pool;
     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
-    Type_privateData *typical(internal->type_);
-
-    ffi_type *ffi(typical->GetFFI());
-
-    uint8_t *base(reinterpret_cast<uint8_t *>(internal->value_));
-    base += ffi->size * index;
 
-    JSObjectRef owner(internal->GetOwner() ?: object);
-    return CYFromFFI(context, typical->type_, ffi, base, false, owner);
-} CYCatch }
+    if (JSStringIsEqual(property, length_s))
+        return internal->length_ == _not(size_t) ? CYJSUndefined(context) : CYCastJSValue(context, internal->length_);
 
-static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
-    CYPool pool;
-    Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
     Type_privateData *typical(internal->type_);
 
     if (typical->type_ == NULL)
         return NULL;
 
     ssize_t offset;
-    if (!CYGetOffset(pool, context, property, offset))
+    if (JSStringIsEqualToUTF8CString(property, "$cyi"))
+        offset = 0;
+    else if (!CYGetOffset(pool, context, property, offset))
         return NULL;
 
-    return Pointer_getIndex(context, object, offset, exception);
-}
-
-static JSValueRef Pointer_getProperty_$cyi(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
-    return Pointer_getIndex(context, object, 0, exception);
-}
-
-static bool Pointer_setIndex(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value, JSValueRef *exception) { CYTry {
-    Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
-    Type_privateData *typical(internal->type_);
-
     ffi_type *ffi(typical->GetFFI());
 
     uint8_t *base(reinterpret_cast<uint8_t *>(internal->value_));
-    base += ffi->size * index;
+    base += ffi->size * offset;
 
-    CYPoolFFI(NULL, context, typical->type_, ffi, base, value);
-    return true;
+    JSObjectRef owner(internal->GetOwner() ?: object);
+    return CYFromFFI(context, typical->type_, ffi, base, false, owner);
 } CYCatch }
 
-static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
+static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
     CYPool pool;
     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
     Type_privateData *typical(internal->type_);
@@ -956,20 +985,24 @@ static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStri
         return NULL;
 
     ssize_t offset;
-    if (!CYGetOffset(pool, context, property, offset))
+    if (JSStringIsEqualToUTF8CString(property, "$cyi"))
+        offset = 0;
+    else if (!CYGetOffset(pool, context, property, offset))
         return NULL;
 
-    return Pointer_setIndex(context, object, offset, value, exception);
-}
+    ffi_type *ffi(typical->GetFFI());
 
-static bool Pointer_setProperty_$cyi(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
-    return Pointer_setIndex(context, object, 0, value, exception);
-}
+    uint8_t *base(reinterpret_cast<uint8_t *>(internal->value_));
+    base += ffi->size * offset;
+
+    CYPoolFFI(NULL, context, typical->type_, ffi, base, value);
+    return true;
+} CYCatch }
 
 static JSValueRef Struct_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(_this)));
     Type_privateData *typical(internal->type_);
-    return CYMakePointer(context, internal->value_, typical->type_, typical->ffi_, _this);
+    return CYMakePointer(context, internal->value_, _not(size_t), typical->type_, typical->ffi_, _this);
 }
 
 static JSValueRef Struct_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
@@ -1021,7 +1054,7 @@ static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JS
         name = elements[index].name;
 
         if (name == NULL) {
-            sprintf(number, "%lu", index);
+            sprintf(number, "%zu", index);
             name = number;
         }
 
@@ -1062,7 +1095,7 @@ static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef objec
 }
 
 static JSObjectRef CYMakeType(JSContextRef context, const char *type) {
-    Type_privateData *internal(new Type_privateData(NULL, type));
+    Type_privateData *internal(new Type_privateData(type));
     return JSObjectMake(context, Type_privateData::Class_, internal);
 }
 
@@ -1117,18 +1150,22 @@ static JSValueRef Runtime_getProperty(JSContextRef context, JSObjectRef object,
             return NULL;
 
         case 0:
-            return JSEvaluateScript(CYGetJSContext(), CYJSString(value), NULL, NULL, 0, NULL);
-        case 1:
-            return CYMakeFunctor(context, reinterpret_cast<void (*)()>(CYCastSymbol(name.data)), value);
+            return JSEvaluateScript(CYGetJSContext(context), CYJSString(value), NULL, NULL, 0, NULL);
 
-        case 2: {
-            // XXX: this is horrendously inefficient
-            sig::Signature signature;
-            sig::Parse(pool, &signature, value, &Structor_);
-            ffi_cif cif;
-            sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
-            return CYFromFFI(context, signature.elements[0].type, cif.rtype, CYCastSymbol(name.data));
-        }
+        case 1:
+            if (void (*symbol)() = reinterpret_cast<void (*)()>(CYCastSymbol(name.data)))
+                return CYMakeFunctor(context, symbol, value);
+            else return NULL;
+
+        case 2:
+            if (void *symbol = CYCastSymbol(name.data)) {
+                // XXX: this is horrendously inefficient
+                sig::Signature signature;
+                sig::Parse(pool, &signature, value, &Structor_);
+                ffi_cif cif;
+                sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
+                return CYFromFFI(context, signature.elements[0].type, cif.rtype, symbol);
+            } else return NULL;
 
         // XXX: implement case 3
         case 4:
@@ -1148,7 +1185,7 @@ static JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t
     sig::Signature signature;
     sig::Parse(pool, &signature, type, &Structor_);
 
-    return CYMakePointer(context, value, signature.elements[0].type, NULL, NULL);
+    return CYMakePointer(context, value, _not(size_t), signature.elements[0].type, NULL, NULL);
 } CYCatch }
 
 static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
@@ -1204,17 +1241,17 @@ static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef obje
     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
 
     sig::Type *type(internal->type_);
-    size_t size;
+    size_t length;
 
     if (type->primitive != sig::array_P)
-        size = 0;
+        length = _not(size_t);
     else {
-        size = type->data.data.size;
+        length = type->data.data.size;
         type = type->data.data.type;
     }
 
     void *value(malloc(internal->GetFFI()->size));
-    return CYMakePointer(context, value, type, NULL, NULL);
+    return CYMakePointer(context, value, length, type, NULL, NULL);
 } CYCatch }
 
 static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
@@ -1235,13 +1272,24 @@ static JSValueRef CYValue_callAsFunction_toJSON(JSContextRef context, JSObjectRe
 }
 
 static JSValueRef CYValue_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
-CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
+    CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
     char string[32];
     sprintf(string, "%p", internal->value_);
-
     return CYCastJSValue(context, string);
 } CYCatch }
 
+static JSValueRef Pointer_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(_this)));
+    if (internal->length_ != _not(size_t))
+        // XXX: maybe dynamically look up Array.toCYON?
+        return Array_callAsFunction_toCYON(context, object, _this, count, arguments, exception);
+    else {
+        char string[32];
+        sprintf(string, "%p", internal->value_);
+        return CYCastJSValue(context, string);
+    }
+} CYCatch }
+
 static JSValueRef Type_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
     CYPool pool;
@@ -1267,13 +1315,8 @@ static JSValueRef Type_callAsFunction_toJSON(JSContextRef context, JSObjectRef o
     return Type_callAsFunction_toString(context, object, _this, count, arguments, exception);
 }
 
-static JSStaticValue Pointer_staticValues[2] = {
-    {"$cyi", &Pointer_getProperty_$cyi, &Pointer_setProperty_$cyi, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
-    {NULL, NULL, NULL, 0}
-};
-
 static JSStaticFunction Pointer_staticFunctions[4] = {
-    {"toCYON", &CYValue_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {"toCYON", &Pointer_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {NULL, NULL, 0}
@@ -1302,7 +1345,7 @@ static JSStaticFunction Type_staticFunctions[4] = {
     {NULL, NULL, 0}
 };
 
-static JSObjectRef (*$JSObjectMakeArray)(JSContextRef, size_t, const JSValueRef[], JSValueRef *);
+static JSObjectRef (*JSObjectMakeArray$)(JSContextRef, size_t, const JSValueRef[], JSValueRef *);
 
 void CYSetArgs(int argc, const char *argv[]) {
     JSContextRef context(CYGetJSContext());
@@ -1311,9 +1354,9 @@ void CYSetArgs(int argc, const char *argv[]) {
         args[i] = CYCastJSValue(context, argv[i]);
 
     JSObjectRef array;
-    if ($JSObjectMakeArray != NULL) {
+    if (JSObjectMakeArray$ != NULL) {
         JSValueRef exception(NULL);
-        array = (*$JSObjectMakeArray)(context, argc, args, &exception);
+        array = (*JSObjectMakeArray$)(context, argc, args, &exception);
         CYThrow(context, exception);
     } else {
         JSValueRef value(CYCallAsFunction(context, Array_, NULL, argc, args));
@@ -1382,7 +1425,66 @@ void CYInitialize() {
     _aprcall(apr_pool_create(&Pool_, NULL));
     _sqlcall(sqlite3_open("/usr/lib/libcycript.db", &Bridge_));
 
-    $JSObjectMakeArray = reinterpret_cast<JSObjectRef (*)(JSContextRef, size_t, const JSValueRef[], JSValueRef *)>(dlsym(RTLD_DEFAULT, "JSObjectMakeArray"));
+    JSObjectMakeArray$ = reinterpret_cast<JSObjectRef (*)(JSContextRef, size_t, const JSValueRef[], JSValueRef *)>(dlsym(RTLD_DEFAULT, "JSObjectMakeArray"));
+
+    JSClassDefinition definition;
+
+    definition = kJSClassDefinitionEmpty;
+    definition.className = "Functor";
+    definition.staticFunctions = cy::Functor::StaticFunctions;
+    definition.callAsFunction = &Functor_callAsFunction;
+    definition.finalize = &CYFinalize;
+    Functor_ = JSClassCreate(&definition);
+
+    definition = kJSClassDefinitionEmpty;
+    definition.className = "Pointer";
+    definition.staticFunctions = Pointer_staticFunctions;
+    definition.getProperty = &Pointer_getProperty;
+    definition.setProperty = &Pointer_setProperty;
+    definition.finalize = &CYFinalize;
+    Pointer_ = JSClassCreate(&definition);
+
+    definition = kJSClassDefinitionEmpty;
+    definition.className = "Struct";
+    definition.staticFunctions = Struct_staticFunctions;
+    definition.getProperty = &Struct_getProperty;
+    definition.setProperty = &Struct_setProperty;
+    definition.getPropertyNames = &Struct_getPropertyNames;
+    definition.finalize = &CYFinalize;
+    Struct_ = JSClassCreate(&definition);
+
+    definition = kJSClassDefinitionEmpty;
+    definition.className = "Type";
+    definition.staticFunctions = Type_staticFunctions;
+    definition.getProperty = &Type_getProperty;
+    definition.callAsFunction = &Type_callAsFunction;
+    definition.callAsConstructor = &Type_callAsConstructor;
+    definition.finalize = &CYFinalize;
+    Type_privateData::Class_ = JSClassCreate(&definition);
+
+    definition = kJSClassDefinitionEmpty;
+    definition.className = "Runtime";
+    definition.getProperty = &Runtime_getProperty;
+    Runtime_ = JSClassCreate(&definition);
+
+    definition = kJSClassDefinitionEmpty;
+    //definition.getProperty = &Global_getProperty;
+    Global_ = JSClassCreate(&definition);
+
+    length_s = JSStringCreateWithUTF8CString("length");
+    message_s = JSStringCreateWithUTF8CString("message");
+    name_s = JSStringCreateWithUTF8CString("name");
+    pop_s = JSStringCreateWithUTF8CString("pop");
+    prototype_s = JSStringCreateWithUTF8CString("prototype");
+    push_s = JSStringCreateWithUTF8CString("push");
+    splice_s = JSStringCreateWithUTF8CString("splice");
+    toCYON_s = JSStringCreateWithUTF8CString("toCYON");
+    toJSON_s = JSStringCreateWithUTF8CString("toJSON");
+
+    Result_ = JSStringCreateWithUTF8CString("_");
+
+    if (hooks_ != NULL && hooks_->Initialize != NULL)
+        (*hooks_->Initialize)();
 }
 
 apr_pool_t *CYGetGlobalPool() {
@@ -1427,13 +1529,22 @@ CYPoolError::CYPoolError(const char *format, va_list args) {
     message_ = apr_pvsprintf(pool_, format, args);
 }
 
+JSValueRef CYCastJSError(JSContextRef context, const char *message) {
+    JSValueRef arguments[1] = {CYCastJSValue(context, message)};
+
+    JSValueRef exception(NULL);
+    JSValueRef value(JSObjectCallAsConstructor(context, Error_, 1, arguments, &exception));
+    CYThrow(context, exception);
+
+    return value;
+}
+
 JSValueRef CYPoolError::CastJSValue(JSContextRef context) const {
-    return CYCastJSValue(context, message_);
+    return CYCastJSError(context, message_);
 }
 
 CYJSError::CYJSError(JSContextRef context, const char *format, ...) {
-    if (context == NULL)
-        context = CYGetJSContext();
+    _assert(context != NULL);
 
     CYPool pool;
 
@@ -1442,133 +1553,73 @@ CYJSError::CYJSError(JSContextRef context, const char *format, ...) {
     const char *message(apr_pvsprintf(pool, format, args));
     va_end (args);
 
-    JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(message))};
+    value_ = CYCastJSError(context, message);
+}
 
-    JSValueRef exception(NULL);
-    value_ = JSObjectCallAsConstructor(context, Error_, 1, arguments, &exception);
-    CYThrow(context, exception);
+JSGlobalContextRef CYGetJSContext(JSContextRef context) {
+    // XXX: do something better
+    return Context_;
 }
 
-JSGlobalContextRef CYGetJSContext() {
-    CYInitialize();
+void CYSetupContext(JSGlobalContextRef context) {
+    JSObjectRef global(CYGetGlobalObject(context));
 
-    if (Context_ == NULL) {
-        JSClassDefinition definition;
-
-        definition = kJSClassDefinitionEmpty;
-        definition.className = "Functor";
-        definition.staticFunctions = cy::Functor::StaticFunctions;
-        definition.callAsFunction = &Functor_callAsFunction;
-        definition.finalize = &CYFinalize;
-        Functor_ = JSClassCreate(&definition);
-
-        definition = kJSClassDefinitionEmpty;
-        definition.className = "Pointer";
-        definition.staticValues = Pointer_staticValues;
-        definition.staticFunctions = Pointer_staticFunctions;
-        definition.getProperty = &Pointer_getProperty;
-        definition.setProperty = &Pointer_setProperty;
-        definition.finalize = &CYFinalize;
-        Pointer_ = JSClassCreate(&definition);
-
-        definition = kJSClassDefinitionEmpty;
-        definition.className = "Struct";
-        definition.staticFunctions = Struct_staticFunctions;
-        definition.getProperty = &Struct_getProperty;
-        definition.setProperty = &Struct_setProperty;
-        definition.getPropertyNames = &Struct_getPropertyNames;
-        definition.finalize = &CYFinalize;
-        Struct_ = JSClassCreate(&definition);
-
-        definition = kJSClassDefinitionEmpty;
-        definition.className = "Type";
-        definition.staticFunctions = Type_staticFunctions;
-        definition.getProperty = &Type_getProperty;
-        definition.callAsFunction = &Type_callAsFunction;
-        definition.callAsConstructor = &Type_callAsConstructor;
-        definition.finalize = &CYFinalize;
-        Type_privateData::Class_ = JSClassCreate(&definition);
-
-        definition = kJSClassDefinitionEmpty;
-        definition.className = "Runtime";
-        definition.getProperty = &Runtime_getProperty;
-        Runtime_ = JSClassCreate(&definition);
-
-        definition = kJSClassDefinitionEmpty;
-        //definition.getProperty = &Global_getProperty;
-        JSClassRef Global(JSClassCreate(&definition));
-
-        JSGlobalContextRef context(JSGlobalContextCreate(Global));
-        Context_ = context;
-        JSObjectRef global(CYGetGlobalObject(context));
-
-        JSObjectSetPrototype(context, global, JSObjectMake(context, Runtime_, NULL));
-
-        Array_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Array")));
-        JSValueProtect(context, Array_);
-
-        Error_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Error")));
-        JSValueProtect(context, Error_);
-
-        Function_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Function")));
-        JSValueProtect(context, Function_);
-
-        String_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("String")));
-        JSValueProtect(context, String_);
-
-        length_ = JSStringCreateWithUTF8CString("length");
-        message_ = JSStringCreateWithUTF8CString("message");
-        name_ = JSStringCreateWithUTF8CString("name");
-        prototype_ = JSStringCreateWithUTF8CString("prototype");
-        toCYON_ = JSStringCreateWithUTF8CString("toCYON");
-        toJSON_ = JSStringCreateWithUTF8CString("toJSON");
-
-        JSObjectRef Object(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Object"))));
-        Object_prototype_ = CYCastJSObject(context, CYGetProperty(context, Object, prototype_));
-        JSValueProtect(context, Object_prototype_);
-
-        Array_prototype_ = CYCastJSObject(context, CYGetProperty(context, Array_, prototype_));
-        Array_pop_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("pop")));
-        Array_push_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("push")));
-        Array_splice_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("splice")));
-
-        CYSetProperty(context, Array_prototype_, toCYON_, JSObjectMakeFunctionWithCallback(context, toCYON_, &Array_callAsFunction_toCYON), kJSPropertyAttributeDontEnum);
-
-        JSValueProtect(context, Array_prototype_);
-        JSValueProtect(context, Array_pop_);
-        JSValueProtect(context, Array_push_);
-        JSValueProtect(context, Array_splice_);
-
-        JSObjectRef Functor(JSObjectMakeConstructor(context, Functor_, &Functor_new));
-
-        Function_prototype_ = (JSObjectRef) CYGetProperty(context, Function_, prototype_);
-        JSValueProtect(context, Function_prototype_);
-
-        JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Functor, prototype_), Function_prototype_);
-
-        CYSetProperty(context, global, CYJSString("Functor"), Functor);
-        CYSetProperty(context, global, CYJSString("Pointer"), JSObjectMakeConstructor(context, Pointer_, &Pointer_new));
-        CYSetProperty(context, global, CYJSString("Type"), JSObjectMakeConstructor(context, Type_privateData::Class_, &Type_new));
-
-        JSObjectRef cycript(JSObjectMake(context, NULL, NULL));
-        CYSetProperty(context, global, CYJSString("Cycript"), cycript);
-        CYSetProperty(context, cycript, CYJSString("gc"), JSObjectMakeFunctionWithCallback(context, CYJSString("gc"), &Cycript_gc_callAsFunction));
-
-        CYSetProperty(context, global, CYJSString("$cyq"), JSObjectMakeFunctionWithCallback(context, CYJSString("$cyq"), &$cyq));
-
-        System_ = JSObjectMake(context, NULL, NULL);
-        JSValueProtect(context, System_);
+    Array_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Array")));
+    JSValueProtect(context, Array_);
+    Array_prototype_ = CYCastJSObject(context, CYGetProperty(context, Array_, prototype_s));
+    JSValueProtect(context, Array_prototype_);
+
+    Error_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Error")));
+    JSValueProtect(context, Error_);
+
+    Function_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Function")));
+    JSValueProtect(context, Function_);
+    Function_prototype_ = (JSObjectRef) CYGetProperty(context, Function_, prototype_s);
+    JSValueProtect(context, Function_prototype_);
 
-        CYSetProperty(context, global, CYJSString("system"), System_);
-        CYSetProperty(context, System_, CYJSString("args"), CYJSNull(context));
-        //CYSetProperty(context, System_, CYJSString("global"), global);
+    JSObjectRef Object(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Object"))));
+    Object_prototype_ = CYCastJSObject(context, CYGetProperty(context, Object, prototype_s));
+    JSValueProtect(context, Object_prototype_);
 
-        CYSetProperty(context, System_, CYJSString("print"), JSObjectMakeFunctionWithCallback(context, CYJSString("print"), &System_print));
+    String_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("String")));
+    JSValueProtect(context, String_);
 
-        Result_ = JSStringCreateWithUTF8CString("_");
+    JSObjectSetPrototype(context, global, JSObjectMake(context, Runtime_, NULL));
 
-        if (hooks_ != NULL && hooks_->SetupContext != NULL)
-            (*hooks_->SetupContext)(context);
+    CYSetProperty(context, Array_prototype_, toCYON_s, &Array_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
+
+    JSObjectRef Functor(JSObjectMakeConstructor(context, Functor_, &Functor_new));
+
+    JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Functor, prototype_s), Function_prototype_);
+
+    CYSetProperty(context, global, CYJSString("Functor"), Functor);
+    CYSetProperty(context, global, CYJSString("Pointer"), JSObjectMakeConstructor(context, Pointer_, &Pointer_new));
+    CYSetProperty(context, global, CYJSString("Type"), JSObjectMakeConstructor(context, Type_privateData::Class_, &Type_new));
+
+    JSObjectRef cycript(JSObjectMake(context, NULL, NULL));
+    CYSetProperty(context, global, CYJSString("Cycript"), cycript);
+    CYSetProperty(context, cycript, CYJSString("gc"), &Cycript_gc_callAsFunction);
+
+    CYSetProperty(context, global, CYJSString("$cyq"), &$cyq);
+
+    System_ = JSObjectMake(context, NULL, NULL);
+    JSValueProtect(context, System_);
+
+    CYSetProperty(context, global, CYJSString("system"), System_);
+    CYSetProperty(context, System_, CYJSString("args"), CYJSNull(context));
+    //CYSetProperty(context, System_, CYJSString("global"), global);
+    CYSetProperty(context, System_, CYJSString("print"), &System_print);
+
+    if (hooks_ != NULL && hooks_->SetupContext != NULL)
+        (*hooks_->SetupContext)(context);
+}
+
+JSGlobalContextRef CYGetJSContext() {
+    CYInitialize();
+
+    if (Context_ == NULL) {
+        Context_ = JSGlobalContextCreate(Global_);
+        CYSetupContext(Context_);
     }
 
     return Context_;