X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/b63701b2f3caa4d3cd69c352573f8dd36c3767fe..84152e4b906683a9e7b37bb06fea2984e18e43d6:/Execute.cpp

diff --git a/Execute.cpp b/Execute.cpp
index 781b795..0e724d5 100644
--- a/Execute.cpp
+++ b/Execute.cpp
@@ -131,7 +131,7 @@ size_t CYGetIndex(apr_pool_t *pool, JSContextRef context, JSStringRef value) {
 
 static JSClassRef All_;
 static JSClassRef Context_;
-static JSClassRef Functor_;
+JSClassRef Functor_;
 static JSClassRef Global_;
 static JSClassRef Pointer_;
 static JSClassRef Struct_;
@@ -257,6 +257,10 @@ JSObjectRef CYMakeStruct(JSContextRef context, void *data, sig::Type *type, ffi_
     return JSObjectMake(context, Struct_, internal);
 }
 
+static void *CYCastSymbol(const char *name) {
+    return dlsym(RTLD_DEFAULT, name);
+}
+
 JSValueRef CYCastJSValue(JSContextRef context, bool value) {
     return JSValueMakeBoolean(context, value);
 }
@@ -331,7 +335,7 @@ static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjec
     }
 
     return CYJSUndefined(context);
-} CYCatch }
+} CYCatch(NULL) }
 
 static size_t Nonce_(0);
 
@@ -375,7 +379,7 @@ const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSValueRef value
         default:
             throw CYJSError(context, "JSValueGetType() == 0x%x", type);
     }
-} CYCatch }
+} CYCatch(NULL) }
 
 const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
     JSValueRef exception(NULL);
@@ -475,7 +479,7 @@ static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef
 
     std::string value(str.str());
     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
-} CYCatch }
+} CYCatch(NULL) }
 
 static JSValueRef String_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     CYPool pool;
@@ -486,28 +490,31 @@ static JSValueRef String_callAsFunction_toCYON(JSContextRef context, JSObjectRef
 
     std::string value(str.str());
     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
-} CYCatch }
+} CYCatch(NULL) }
 
 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);
 }
 
-static JSObjectRef CYMakeFunctor(JSContextRef context, void (*function)(), const char *type, void **cache = NULL) {
-    cy::Functor *internal;
+static JSObjectRef CYMakeFunctor(JSContextRef context, void (*function)(), const char *type) {
+    return JSObjectMake(context, Functor_, new cy::Functor(type, function));
+}
 
-    if (cache != NULL && *cache != NULL) {
+static JSObjectRef CYMakeFunctor(JSContextRef context, const char *symbol, const char *type, void **cache) {
+    cy::Functor *internal;
+    if (*cache != NULL)
         internal = reinterpret_cast<cy::Functor *>(*cache);
-        ++internal->count_;
-    } else {
-        internal = new cy::Functor(type, function);
+    else {
+        void (*function)()(reinterpret_cast<void (*)()>(CYCastSymbol(symbol)));
+        if (function == NULL)
+            return NULL;
 
-        if (cache != NULL) {
-            *cache = internal;
-            ++internal->count_;
-        }
+        internal = new cy::Functor(type, function);
+        *cache = internal;
     }
 
+    ++internal->count_;
     return JSObjectMake(context, Functor_, internal);
 }
 
@@ -685,7 +692,7 @@ JSValueRef CYFromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void
     }
 }
 
-static void FunctionClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
+void CYExecuteClosure(ffi_cif *cif, void *result, void **arguments, void *arg, JSValueRef (*adapter)(JSContextRef, size_t, JSValueRef[], JSObjectRef)) {
     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
 
     JSContextRef context(internal->context_);
@@ -696,10 +703,18 @@ static void FunctionClosure_(ffi_cif *cif, void *result, void **arguments, void
     for (size_t index(0); index != count; ++index)
         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
 
-    JSValueRef value(CYCallAsFunction(context, internal->function_, NULL, count, values));
+    JSValueRef value(adapter(context, count, values, internal->function_));
     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
 }
 
+static JSValueRef FunctionAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function) {
+    return CYCallAsFunction(context, function, NULL, count, values);
+}
+
+static void FunctionClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
+    CYExecuteClosure(cif, result, arguments, arg, &FunctionAdapter_);
+}
+
 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 :(
@@ -827,7 +842,7 @@ static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object,
 
     JSObjectRef owner(internal->GetOwner() ?: object);
     return CYFromFFI(context, typical->type_, ffi, base, false, owner);
-} CYCatch }
+} CYCatch(NULL) }
 
 static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
     CYPool pool;
@@ -835,13 +850,13 @@ static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStri
     Type_privateData *typical(internal->type_);
 
     if (typical->type_ == NULL)
-        return NULL;
+        return false;
 
     ssize_t offset;
     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
         offset = 0;
     else if (!CYGetOffset(pool, context, property, offset))
-        return NULL;
+        return false;
 
     ffi_type *ffi(typical->GetFFI());
 
@@ -850,7 +865,7 @@ static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStri
 
     CYPoolFFI(NULL, context, typical->type_, ffi, base, value);
     return true;
-} CYCatch }
+} CYCatch(false) }
 
 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)));
@@ -872,7 +887,7 @@ static JSValueRef Struct_getProperty(JSContextRef context, JSObjectRef object, J
     JSObjectRef owner(internal->GetOwner() ?: object);
 
     return CYFromFFI(context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, false, owner);
-} CYCatch }
+} CYCatch(NULL) }
 
 static bool Struct_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
     CYPool pool;
@@ -887,7 +902,7 @@ static bool Struct_setProperty(JSContextRef context, JSObjectRef object, JSStrin
 
     CYPoolFFI(NULL, context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, value);
     return true;
-} CYCatch }
+} CYCatch(false) }
 
 static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
@@ -939,7 +954,7 @@ JSValueRef CYCallFunction(apr_pool_t *pool, JSContextRef context, size_t setups,
         ffi_call(cif, function, value, values);
 
     return CYFromFFI(context, signature->elements[0].type, cif->rtype, value, initialize);
-} CYCatch }
+} CYCatch(NULL) }
 
 static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
     CYPool pool;
@@ -957,10 +972,6 @@ JSObjectRef CYMakeType(JSContextRef context, sig::Type *type) {
     return JSObjectMake(context, Type_privateData::Class_, internal);
 }
 
-static void *CYCastSymbol(const char *name) {
-    return dlsym(RTLD_DEFAULT, name);
-}
-
 static JSValueRef All_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     JSObjectRef global(CYGetGlobalObject(context));
     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
@@ -990,9 +1001,7 @@ static JSValueRef All_getProperty(JSContextRef context, JSObjectRef object, JSSt
                     return JSEvaluateScript(CYGetJSContext(context), CYJSString(entry->value_), NULL, NULL, 0, NULL);
 
                 case '1':
-                    if (void (*symbol)() = reinterpret_cast<void (*)()>(CYCastSymbol(name.data)))
-                        return CYMakeFunctor(context, symbol, entry->value_, &entry->cache_);
-                    else return NULL;
+                    return CYMakeFunctor(context, name.data, entry->value_, &entry->cache_);
 
                 case '2':
                     if (void *symbol = CYCastSymbol(name.data)) {
@@ -1011,7 +1020,7 @@ static JSValueRef All_getProperty(JSContextRef context, JSObjectRef object, JSSt
     }
 
     return NULL;
-} CYCatch }
+} CYCatch(NULL) }
 
 static void All_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
     JSObjectRef global(CYGetGlobalObject(context));
@@ -1040,7 +1049,7 @@ static JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t
     sig::Parse(pool, &signature, type, &Structor_);
 
     return CYMakePointer(context, value, _not(size_t), signature.elements[0].type, NULL, NULL);
-} CYCatch }
+} CYCatch(NULL) }
 
 static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     if (count != 1)
@@ -1048,38 +1057,73 @@ static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t cou
     CYPool pool;
     const char *type(CYPoolCString(pool, context, arguments[0]));
     return CYMakeType(context, type);
-} CYCatch }
+} CYCatch(NULL) }
 
-static JSValueRef Type_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
-    Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
+static JSValueRef Type_callAsFunction_arrayOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    if (count != 1)
+        throw CYJSError(context, "incorrect number of arguments to Type.arrayOf");
+    Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
+
+    CYPool pool;
+    size_t index(CYGetIndex(pool, context, CYJSString(context, arguments[0])));
+    if (index == _not(size_t))
+        throw CYJSError(context, "invalid array size used with Type.arrayOf");
 
     sig::Type type;
+    type.name = NULL;
+    type.flags = 0;
 
-    if (JSStringIsEqualToUTF8CString(property, "$cyi")) {
-        type.primitive = sig::pointer_P;
-        type.data.data.size = 0;
-    } else {
-        CYPool pool;
-        size_t index(CYGetIndex(pool, context, property));
-        if (index == _not(size_t))
-            return NULL;
-        type.primitive = sig::array_P;
-        type.data.data.size = index;
-    }
+    type.primitive = sig::array_P;
+    type.data.data.type = internal->type_;
+    type.data.data.size = index;
 
+    return CYMakeType(context, &type);
+} CYCatch(NULL) }
+
+static JSValueRef Type_callAsFunction_constant(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    if (count != 0)
+        throw CYJSError(context, "incorrect number of arguments to Type.constant");
+    Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
+
+    sig::Type type(*internal->type_);
+    type.flags |= JOC_TYPE_CONST;
+    return CYMakeType(context, &type);
+} CYCatch(NULL) }
+
+static JSValueRef Type_callAsFunction_pointerTo(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    if (count != 0)
+        throw CYJSError(context, "incorrect number of arguments to Type.pointerTo");
+    Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
+
+    sig::Type type;
     type.name = NULL;
     type.flags = 0;
 
+    type.primitive = sig::pointer_P;
     type.data.data.type = internal->type_;
+    type.data.data.size = 0;
 
     return CYMakeType(context, &type);
-} CYCatch }
+} CYCatch(NULL) }
 
-static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
-    Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
+static JSValueRef Type_callAsFunction_withName(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    if (count != 1)
+        throw CYJSError(context, "incorrect number of arguments to Type.withName");
+    Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
+
+    CYPool pool;
+    const char *name(CYPoolCString(pool, context, arguments[0]));
+
+    sig::Type type(*internal->type_);
+    type.name = name;
+    return CYMakeType(context, &type);
+} CYCatch(NULL) }
 
+static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     if (count != 1)
         throw CYJSError(context, "incorrect number of arguments to type cast function");
+    Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
+
     sig::Type *type(internal->type_);
     ffi_type *ffi(internal->GetFFI());
     // XXX: alignment?
@@ -1087,11 +1131,11 @@ static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object,
     CYPool pool;
     CYPoolFFI(pool, context, type, ffi, value, arguments[0]);
     return CYFromFFI(context, type, ffi, value);
-} CYCatch }
+} CYCatch(NULL) }
 
 static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     if (count != 0)
-        throw CYJSError(context, "incorrect number of arguments to type cast function");
+        throw CYJSError(context, "incorrect number of arguments to Type allocator");
     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
 
     sig::Type *type(internal->type_);
@@ -1106,7 +1150,7 @@ static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef obje
 
     void *value(malloc(internal->GetFFI()->size));
     return CYMakePointer(context, value, length, type, NULL, NULL);
-} CYCatch }
+} CYCatch(NULL) }
 
 static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     if (count != 2)
@@ -1114,12 +1158,12 @@ static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t
     CYPool pool;
     const char *type(CYPoolCString(pool, context, arguments[1]));
     return CYMakeFunctor(context, arguments[0], type);
-} CYCatch }
+} CYCatch(NULL) }
 
 static JSValueRef CYValue_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
-} CYCatch }
+} CYCatch(NULL) }
 
 static JSValueRef CYValue_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
     return CYValue_callAsFunction_valueOf(context, object, _this, count, arguments, exception);
@@ -1130,12 +1174,12 @@ static JSValueRef CYValue_callAsFunction_toCYON(JSContextRef context, JSObjectRe
     char string[32];
     sprintf(string, "%p", internal->value_);
     return CYCastJSValue(context, string);
-} CYCatch }
+} CYCatch(NULL) }
 
 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)) {
-        JSObjectRef Array(CYGetCachedObject(context, Array_s));
+        JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array_prototype")));
         JSObjectRef toCYON(CYCastJSObject(context, CYGetProperty(context, Array, toCYON_s)));
         return CYCallAsFunction(context, toCYON, _this, count, arguments);
     } else {
@@ -1143,13 +1187,18 @@ static JSValueRef Pointer_callAsFunction_toCYON(JSContextRef context, JSObjectRe
         sprintf(string, "%p", internal->value_);
         return CYCastJSValue(context, string);
     }
-} CYCatch }
+} CYCatch(NULL) }
 
 static JSValueRef Type_getProperty_alignment(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
     return CYCastJSValue(context, internal->GetFFI()->alignment);
 }
 
+static JSValueRef Type_getProperty_name(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
+    Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
+    return CYCastJSValue(context, internal->type_->name);
+}
+
 static JSValueRef Type_getProperty_size(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
     return CYCastJSValue(context, internal->GetFFI()->size);
@@ -1160,21 +1209,17 @@ static JSValueRef Type_callAsFunction_toString(JSContextRef context, JSObjectRef
     CYPool pool;
     const char *type(sig::Unparse(pool, internal->type_));
     return CYCastJSValue(context, CYJSString(type));
-} CYCatch }
+} CYCatch(NULL) }
 
 static JSValueRef Type_callAsFunction_toCYON(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;
     const char *type(sig::Unparse(pool, internal->type_));
-    size_t size(strlen(type));
-    char *cyon(new(pool) char[12 + size + 1]);
-    memcpy(cyon, "new Type(\"", 10);
-    cyon[12 + size] = '\0';
-    cyon[12 + size - 2] = '"';
-    cyon[12 + size - 1] = ')';
-    memcpy(cyon + 10, type, size);
+    std::ostringstream str;
+    CYStringify(str, type, strlen(type));
+    char *cyon(apr_pstrcat(pool, "new Type(", str.str().c_str(), ")", NULL));
     return CYCastJSValue(context, CYJSString(cyon));
-} CYCatch }
+} CYCatch(NULL) }
 
 static JSValueRef Type_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
     return Type_callAsFunction_toString(context, object, _this, count, arguments, exception);
@@ -1203,13 +1248,18 @@ namespace cy {
     JSStaticFunction const * const Functor::StaticFunctions = Functor_staticFunctions;
 }
 
-static JSStaticValue Type_staticValues[3] = {
+static JSStaticValue Type_staticValues[4] = {
     {"alignment", &Type_getProperty_alignment, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {"name", &Type_getProperty_name, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {"size", &Type_getProperty_size, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {NULL, NULL, NULL, 0}
 };
 
-static JSStaticFunction Type_staticFunctions[4] = {
+static JSStaticFunction Type_staticFunctions[8] = {
+    {"arrayOf", &Type_callAsFunction_arrayOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {"constant", &Type_callAsFunction_constant, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {"pointerTo", &Type_callAsFunction_pointerTo, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {"withName", &Type_callAsFunction_withName, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {"toCYON", &Type_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {"toJSON", &Type_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {"toString", &Type_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
@@ -1339,7 +1389,6 @@ void CYInitializeDynamic() {
     definition.className = "Type";
     definition.staticValues = Type_staticValues;
     definition.staticFunctions = Type_staticFunctions;
-    definition.getProperty = &Type_getProperty;
     definition.callAsFunction = &Type_callAsFunction;
     definition.callAsConstructor = &Type_callAsConstructor;
     definition.finalize = &CYFinalize;
@@ -1503,6 +1552,9 @@ extern "C" void CYSetupContext(JSGlobalContextRef context) {
     //CYSetProperty(context, System, CYJSString("global"), global);
     CYSetProperty(context, System, CYJSString("print"), &System_print);
 
+    if (CYBridgeEntry *entry = CYBridgeHash("1dlerror", 8))
+        entry->cache_ = new cy::Functor(entry->value_, reinterpret_cast<void (*)()>(&dlerror));
+
     if (hooks_ != NULL && hooks_->SetupContext != NULL)
         (*hooks_->SetupContext)(context);