X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/09eee478cd3085633d87ddc8a7997ff3d000102e..e71ad0798f509366384257df77b925b33ab5ef66:/Execute.cpp

diff --git a/Execute.cpp b/Execute.cpp
index a517fb4..b2fe08a 100644
--- a/Execute.cpp
+++ b/Execute.cpp
@@ -1,44 +1,24 @@
-/* Cycript - Inlining/Optimizing JavaScript Compiler
- * Copyright (C) 2009  Jay Freeman (saurik)
+/* Cycript - Optimizing JavaScript Compiler/Runtime
+ * Copyright (C) 2009-2013  Jay Freeman (saurik)
 */
 
-/* Modified BSD License {{{ */
+/* GNU General Public License, Version 3 {{{ */
 /*
- *        Redistribution and use in source and binary
- * forms, with or without modification, are permitted
- * provided that the following conditions are met:
+ * Cycript is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation, either version 3 of the License,
+ * or (at your option) any later version.
  *
- * 1. Redistributions of source code must retain the
- *    above copyright notice, this list of conditions
- *    and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the
- *    above copyright notice, this list of conditions
- *    and the following disclaimer in the documentation
- *    and/or other materials provided with the
- *    distribution.
- * 3. The name of the author may not be used to endorse
- *    or promote products derived from this software
- *    without specific prior written permission.
+ * Cycript is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
+ * You should have received a copy of the GNU General Public License
+ * along with Cycript.  If not, see <http://www.gnu.org/licenses/>.
+**/
 /* }}} */
 
-#include <sqlite3.h>
-
 #include "Internal.hpp"
 
 #include <dlfcn.h>
@@ -50,6 +30,7 @@
 #include "sig/ffi_type.hpp"
 
 #include "Pooling.hpp"
+#include "Execute.hpp"
 
 #include <sys/mman.h>
 
@@ -68,12 +49,6 @@
 #include "JavaScript.hpp"
 #include "String.hpp"
 
-char *sqlite3_column_pooled(apr_pool_t *pool, sqlite3_stmt *stmt, int n) {
-    if (const unsigned char *value = sqlite3_column_text(stmt, n))
-        return apr_pstrdup(pool, (const char *) value);
-    else return NULL;
-}
-
 struct CYHooks *hooks_;
 
 /* JavaScript Properties {{{ */
@@ -156,7 +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_;
@@ -172,28 +147,23 @@ JSStringRef push_s;
 JSStringRef splice_s;
 JSStringRef toCYON_s;
 JSStringRef toJSON_s;
+JSStringRef toPointer_s;
+JSStringRef toString_s;
 
 static JSStringRef Result_;
 
-sqlite3 *Bridge_;
-
 void CYFinalize(JSObjectRef object) {
-    delete reinterpret_cast<CYData *>(JSObjectGetPrivate(object));
+    CYData *internal(reinterpret_cast<CYData *>(JSObjectGetPrivate(object)));
+    if (--internal->count_ == 0)
+        delete internal;
 }
 
-struct CStringMapLess :
-    std::binary_function<const char *, const char *, bool>
-{
-    _finline bool operator ()(const char *lhs, const char *rhs) const {
-        return strcmp(lhs, rhs) < 0;
-    }
-};
-
 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 &&
+        type->data.data.type->name != NULL &&
         strcmp(type->data.data.type->name, "_objc_class") == 0
     ) {
         type->primitive = sig::typename_P;
@@ -204,49 +174,27 @@ void Structor_(apr_pool_t *pool, sig::Type *&type) {
     if (type->primitive != sig::struct_P || type->name == NULL)
         return;
 
-    sqlite3_stmt *statement;
-
-    _sqlcall(sqlite3_prepare(Bridge_,
-        "select "
-            "\"bridge\".\"mode\", "
-            "\"bridge\".\"value\" "
-        "from \"bridge\" "
-        "where"
-            " \"bridge\".\"mode\" in (3, 4) and"
-            " \"bridge\".\"name\" = ?"
-        " limit 1"
-    , -1, &statement, NULL));
-
-    _sqlcall(sqlite3_bind_text(statement, 1, type->name, -1, SQLITE_STATIC));
-
-    int mode;
-    const char *value;
-
-    if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE) {
-        mode = -1;
-        value = NULL;
-    } else {
-        mode = sqlite3_column_int(statement, 0);
-        value = sqlite3_column_pooled(pool, statement, 1);
-    }
-
-    _sqlcall(sqlite3_finalize(statement));
-
-    switch (mode) {
-        default:
-            _assert(false);
-        case -1:
-            break;
-
-        case 3: {
-            sig::Parse(pool, &type->data.signature, value, &Structor_);
-        } break;
-
-        case 4: {
-            sig::Signature signature;
-            sig::Parse(pool, &signature, value, &Structor_);
-            type = signature.elements[0].type;
-        } break;
+    size_t length(strlen(type->name));
+    char keyed[length + 2];
+    memcpy(keyed + 1, type->name, length + 1);
+
+    static const char *modes = "34";
+    for (size_t i(0); i != 2; ++i) {
+        char mode(modes[i]);
+        keyed[0] = mode;
+
+        if (CYBridgeEntry *entry = CYBridgeHash(keyed, length + 1))
+            switch (mode) {
+                case '3':
+                    sig::Parse(pool, &type->data.signature, entry->value_, &Structor_);
+                break;
+
+                case '4': {
+                    sig::Signature signature;
+                    sig::Parse(pool, &signature, entry->value_, &Structor_);
+                    type = signature.elements[0].type;
+                } break;
+            }
     }
 }
 
@@ -288,7 +236,7 @@ struct Struct_privateData :
     }
 };
 
-typedef std::map<const char *, Type_privateData *, CStringMapLess> TypeMap;
+typedef std::map<const char *, Type_privateData *, CYCStringLess> TypeMap;
 static TypeMap Types_;
 
 JSObjectRef CYMakeStruct(JSContextRef context, void *data, sig::Type *type, ffi_type *ffi, JSObjectRef owner) {
@@ -309,6 +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);
 }
@@ -383,7 +335,7 @@ static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjec
     }
 
     return CYJSUndefined(context);
-} CYCatch }
+} CYCatch(NULL) }
 
 static size_t Nonce_(0);
 
@@ -427,7 +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);
@@ -453,6 +405,16 @@ const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSObjectRef obje
         return cyon;
     }
 
+    if (JSObjectIsFunction(context, object)) {
+        JSValueRef toString(CYGetProperty(context, object, toString_s));
+        if (CYIsCallable(context, toString)) {
+            JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
+            JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toString, object, 1, arguments));
+            _assert(value != NULL);
+            return CYPoolCString(pool, context, value);
+        }
+    }
+
     std::ostringstream str;
 
     str << '{';
@@ -517,7 +479,18 @@ 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;
+    std::ostringstream str;
+
+    CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, _this)));
+    CYStringify(str, string.data, string.size);
+
+    std::string value(str.str());
+    return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
+} 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));
@@ -525,7 +498,23 @@ JSObjectRef CYMakePointer(JSContextRef context, void *pointer, size_t length, si
 }
 
 static JSObjectRef CYMakeFunctor(JSContextRef context, void (*function)(), const char *type) {
-    cy::Functor *internal(new cy::Functor(type, function));
+    return JSObjectMake(context, Functor_, new cy::Functor(type, function));
+}
+
+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);
+    else {
+        void (*function)()(reinterpret_cast<void (*)()>(CYCastSymbol(symbol)));
+        if (function == NULL)
+            return NULL;
+
+        internal = new cy::Functor(type, function);
+        *cache = internal;
+    }
+
+    ++internal->count_;
     return JSObjectMake(context, Functor_, internal);
 }
 
@@ -537,12 +526,19 @@ void *CYCastPointer_(JSContextRef context, JSValueRef value) {
     switch (JSValueGetType(context, value)) {
         case kJSTypeNull:
             return NULL;
-        /*case kJSTypeObject:
+        case kJSTypeObject: {
+            JSObjectRef object((JSObjectRef) value);
             if (JSValueIsObjectOfClass(context, value, Pointer_)) {
-                Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate((JSObjectRef) value)));
+                Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
                 return internal->value_;
-            }*/
-        default:
+            }
+            JSValueRef toPointer(CYGetProperty(context, object, toPointer_s));
+            if (CYIsCallable(context, toPointer)) {
+                JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toPointer, object, 0, NULL));
+                _assert(value != NULL);
+                return CYCastPointer_(context, value);
+            }
+        } default:
             double number(CYCastDouble(context, value));
             if (std::isnan(number))
                 throw CYJSError(context, "cannot convert value to pointer");
@@ -696,7 +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_);
@@ -707,15 +703,32 @@ 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 :(
     Closure_privateData *internal(new Closure_privateData(context, function, type));
 
+#if defined(__APPLE__) && defined(__arm__)
+    void *executable;
+    ffi_closure *writable(reinterpret_cast<ffi_closure *>(ffi_closure_alloc(sizeof(ffi_closure), &executable)));
+
+    ffi_status status(ffi_prep_closure_loc(writable, &internal->cif_, callback, internal, executable));
+    _assert(status == FFI_OK);
+
+    internal->value_ = executable;
+#else
     ffi_closure *closure((ffi_closure *) _syscall(mmap(
         NULL, sizeof(ffi_closure),
         PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE,
@@ -728,6 +741,7 @@ Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function,
     _syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC));
 
     internal->value_ = closure;
+#endif
 
     return internal;
 }
@@ -828,7 +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;
@@ -836,13 +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());
 
@@ -851,7 +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)));
@@ -873,7 +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;
@@ -888,7 +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)));
@@ -940,7 +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;
@@ -948,94 +962,83 @@ static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef objec
     return CYCallFunction(pool, context, 0, NULL, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
 }
 
-static JSObjectRef CYMakeType(JSContextRef context, const char *type) {
+JSObjectRef CYMakeType(JSContextRef context, const char *type) {
     Type_privateData *internal(new Type_privateData(type));
     return JSObjectMake(context, Type_privateData::Class_, internal);
 }
 
-static JSObjectRef CYMakeType(JSContextRef context, sig::Type *type) {
+JSObjectRef CYMakeType(JSContextRef context, sig::Type *type) {
     Type_privateData *internal(new Type_privateData(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"))));
-    if (JSValueRef value = CYGetProperty(context, cycript, property))
-        if (!JSValueIsUndefined(context, value))
-            return value;
+    JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
+
+    for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
+        if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1)))
+            if (JSValueRef value = CYGetProperty(context, space, property))
+                if (!JSValueIsUndefined(context, value))
+                    return value;
 
     CYPool pool;
     CYUTF8String name(CYPoolUTF8String(pool, context, property));
 
-    if (hooks_ != NULL && hooks_->RuntimeProperty != NULL)
-        if (JSValueRef value = (*hooks_->RuntimeProperty)(context, name))
-            return value;
-
-    sqlite3_stmt *statement;
-
-    _sqlcall(sqlite3_prepare(Bridge_,
-        "select "
-            "\"bridge\".\"mode\", "
-            "\"bridge\".\"value\" "
-        "from \"bridge\" "
-        "where"
-            " \"bridge\".\"name\" = ?"
-        " limit 1"
-    , -1, &statement, NULL));
-
-    _sqlcall(sqlite3_bind_text(statement, 1, name.data, name.size, SQLITE_STATIC));
-
-    int mode;
-    const char *value;
-
-    if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE) {
-        mode = -1;
-        value = NULL;
-    } else {
-        mode = sqlite3_column_int(statement, 0);
-        value = sqlite3_column_pooled(pool, statement, 1);
+    size_t length(name.size);
+    char keyed[length + 2];
+    memcpy(keyed + 1, name.data, length + 1);
+
+    static const char *modes = "0124";
+    for (size_t i(0); i != 4; ++i) {
+        char mode(modes[i]);
+        keyed[0] = mode;
+
+        if (CYBridgeEntry *entry = CYBridgeHash(keyed, length + 1))
+            switch (mode) {
+                case '0':
+                    return JSEvaluateScript(CYGetJSContext(context), CYJSString(entry->value_), NULL, NULL, 0, NULL);
+
+                case '1':
+                    return CYMakeFunctor(context, name.data, entry->value_, &entry->cache_);
+
+                case '2':
+                    if (void *symbol = CYCastSymbol(name.data)) {
+                        // XXX: this is horrendously inefficient
+                        sig::Signature signature;
+                        sig::Parse(pool, &signature, entry->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':
+                    return CYMakeType(context, entry->value_);
+            }
     }
 
-    _sqlcall(sqlite3_finalize(statement));
+    return NULL;
+} CYCatch(NULL) }
 
-    switch (mode) {
-        default:
-            CYThrow("invalid mode from bridge table: %d", mode);
-        case -1:
-            return NULL;
-
-        case 0:
-            return JSEvaluateScript(CYGetJSContext(context), CYJSString(value), NULL, NULL, 0, NULL);
-
-        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:
-            return CYMakeType(context, value);
-    }
-} CYCatch }
+static void All_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
+    JSObjectRef global(CYGetGlobalObject(context));
+    JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
+    JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
+
+    for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
+        if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1))) {
+            JSPropertyNameArrayRef subset(JSObjectCopyPropertyNames(context, space));
+            for (size_t index(0), count(JSPropertyNameArrayGetCount(subset)); index != count; ++index)
+                JSPropertyNameAccumulatorAddName(names, JSPropertyNameArrayGetNameAtIndex(subset, index));
+            JSPropertyNameArrayRelease(subset);
+        }
+}
 
 static JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     if (count != 2)
-        throw CYJSError(context, "incorrect number of arguments to Functor constructor");
+        throw CYJSError(context, "incorrect number of arguments to Pointer constructor");
 
     CYPool pool;
 
@@ -1046,7 +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)
@@ -1054,38 +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?
@@ -1093,11 +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_);
@@ -1112,7 +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)
@@ -1120,12 +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);
@@ -1136,12 +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 {
@@ -1149,28 +1187,39 @@ 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);
+}
 
 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;
     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);
@@ -1199,7 +1248,18 @@ namespace cy {
     JSStaticFunction const * const Functor::StaticFunctions = Functor_staticFunctions;
 }
 
-static JSStaticFunction Type_staticFunctions[4] = {
+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[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},
@@ -1233,7 +1293,7 @@ JSObjectRef CYGetGlobalObject(JSContextRef context) {
     return JSContextGetGlobalObject(context);
 }
 
-const char *CYExecute(apr_pool_t *pool, const char *code) {
+const char *CYExecute(apr_pool_t *pool, CYUTF8String code) {
     JSContextRef context(CYGetJSContext());
     JSValueRef exception(NULL), result;
 
@@ -1251,10 +1311,8 @@ const char *CYExecute(apr_pool_t *pool, const char *code) {
         return error;
     }
 
-    if (exception != NULL) { error:
-        result = exception;
-        exception = NULL;
-    }
+    if (exception != NULL) error:
+        return CYPoolCString(pool, context, CYJSString(context, exception));
 
     if (JSValueIsUndefined(context, result))
         return NULL;
@@ -1288,8 +1346,6 @@ void CYInitializeDynamic() {
 
     CYInitializeStatic();
 
-    _sqlcall(sqlite3_open("/usr/lib/libcycript.db", &Bridge_));
-
     JSObjectMakeArray$ = reinterpret_cast<JSObjectRef (*)(JSContextRef, size_t, const JSValueRef[], JSValueRef *)>(dlsym(RTLD_DEFAULT, "JSObjectMakeArray"));
 
     JSClassDefinition definition;
@@ -1297,6 +1353,7 @@ void CYInitializeDynamic() {
     definition = kJSClassDefinitionEmpty;
     definition.className = "All";
     definition.getProperty = &All_getProperty;
+    definition.getPropertyNames = &All_getPropertyNames;
     All_ = JSClassCreate(&definition);
 
     definition = kJSClassDefinitionEmpty;
@@ -1330,14 +1387,15 @@ void CYInitializeDynamic() {
 
     definition = kJSClassDefinitionEmpty;
     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;
     Type_privateData::Class_ = JSClassCreate(&definition);
 
     definition = kJSClassDefinitionEmpty;
+    definition.className = "Global";
     //definition.getProperty = &Global_getProperty;
     Global_ = JSClassCreate(&definition);
 
@@ -1352,6 +1410,8 @@ void CYInitializeDynamic() {
     splice_s = JSStringCreateWithUTF8CString("splice");
     toCYON_s = JSStringCreateWithUTF8CString("toCYON");
     toJSON_s = JSStringCreateWithUTF8CString("toJSON");
+    toPointer_s = JSStringCreateWithUTF8CString("toPointer");
+    toString_s = JSStringCreateWithUTF8CString("toString");
 
     Result_ = JSStringCreateWithUTF8CString("_");
 
@@ -1408,6 +1468,8 @@ JSGlobalContextRef CYGetJSContext(JSContextRef context) {
 }
 
 extern "C" void CYSetupContext(JSGlobalContextRef context) {
+    JSValueRef exception(NULL);
+
     CYInitializeDynamic();
 
     JSObjectRef global(CYGetGlobalObject(context));
@@ -1439,9 +1501,13 @@ extern "C" void CYSetupContext(JSGlobalContextRef context) {
 
     JSObjectRef String(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("String"))));
     CYSetProperty(context, cy, CYJSString("String"), String);
+
+    JSObjectRef String_prototype(CYCastJSObject(context, CYGetProperty(context, String, prototype_s)));
+    CYSetProperty(context, cy, CYJSString("String_prototype"), String_prototype);
 /* }}} */
 
     CYSetProperty(context, Array_prototype, toCYON_s, &Array_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
+    CYSetProperty(context, String_prototype, toCYON_s, &String_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
 
     JSObjectRef cycript(JSObjectMake(context, NULL, NULL));
     CYSetProperty(context, global, CYJSString("Cycript"), cycript);
@@ -1457,31 +1523,42 @@ extern "C" void CYSetupContext(JSGlobalContextRef context) {
     JSObjectRef all(JSObjectMake(context, All_, NULL));
     CYSetProperty(context, cycript, CYJSString("all"), all);
 
-    JSObjectRef last(NULL), curr(global);
+    JSObjectRef alls(JSObjectCallAsConstructor(context, Array, 0, NULL, &exception));
+    CYThrow(context, exception);
+    CYSetProperty(context, cycript, CYJSString("alls"), alls);
+
+    if (true) {
+        JSObjectRef last(NULL), curr(global);
+
+        goto next; for (JSValueRef next;;) {
+            if (JSValueIsNull(context, next))
+                break;
+            last = curr;
+            curr = CYCastJSObject(context, next);
+          next:
+            next = JSObjectGetPrototype(context, curr);
+        }
 
-    goto next; for (JSValueRef next;;) {
-        if (JSValueIsNull(context, next))
-            break;
-        last = curr;
-        curr = CYCastJSObject(context, next);
-      next:
-        next = JSObjectGetPrototype(context, curr);
+        JSObjectSetPrototype(context, last, all);
     }
 
-    JSObjectSetPrototype(context, last, all);
-
-    CYSetProperty(context, global, CYJSString("$cyq"), &$cyq);
+    CYSetProperty(context, global, CYJSString("$cyq"), &$cyq, kJSPropertyAttributeDontEnum);
 
     JSObjectRef System(JSObjectMake(context, NULL, NULL));
-    CYSetProperty(context, cy, CYJSString("System"), Function);
+    CYSetProperty(context, cy, CYJSString("System"), 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 (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);
+
+    CYArrayPush(context, alls, cycript);
 }
 
 JSGlobalContextRef CYGetJSContext() {