X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/9ec7dd188b51ba8245b33ed23be1a6202a0e749b..73fd6f57b6d5c6e7a1f0242016d04d232db58639:/Execute.cpp

diff --git a/Execute.cpp b/Execute.cpp
index 018deb1..e118146 100644
--- a/Execute.cpp
+++ b/Execute.cpp
@@ -1,20 +1,20 @@
 /* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2012  Jay Freeman (saurik)
+ * Copyright (C) 2009-2013  Jay Freeman (saurik)
 */
 
-/* GNU Lesser General Public License, Version 3 {{{ */
+/* GNU General Public License, Version 3 {{{ */
 /*
- * Cycript is free software: you can redistribute it and/or modify it under
- * the terms of the GNU Lesser General Public License as published by the
- * Free Software Foundation, either version 3 of the License, or (at your
- * option) any later version.
+ * 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.
  *
- * 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 Lesser General Public
- * License for more details.
+ * 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.
  *
- * You should have received a copy of the GNU Lesser General Public License
+ * You should have received a copy of the GNU General Public License
  * along with Cycript.  If not, see <http://www.gnu.org/licenses/>.
 **/
 /* }}} */
@@ -22,7 +22,6 @@
 #include "Internal.hpp"
 
 #include <dlfcn.h>
-#include <iconv.h>
 
 #include "cycript.hpp"
 
@@ -35,7 +34,6 @@
 #include <sys/mman.h>
 
 #include <iostream>
-#include <ext/stdio_filebuf.h>
 #include <set>
 #include <map>
 #include <iomanip>
@@ -43,7 +41,6 @@
 #include <cmath>
 
 #include "Parser.hpp"
-#include "Cycript.tab.hh"
 
 #include "Error.hpp"
 #include "JavaScript.hpp"
@@ -53,29 +50,19 @@ struct CYHooks *hooks_;
 
 /* JavaScript Properties {{{ */
 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, size_t index) {
-    JSValueRef exception(NULL);
-    JSValueRef value(JSObjectGetPropertyAtIndex(context, object, index, &exception));
-    CYThrow(context, exception);
-    return value;
+    return _jsccall(JSObjectGetPropertyAtIndex, context, object, index);
 }
 
 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, JSStringRef name) {
-    JSValueRef exception(NULL);
-    JSValueRef value(JSObjectGetProperty(context, object, name, &exception));
-    CYThrow(context, exception);
-    return value;
+    return _jsccall(JSObjectGetProperty, context, object, name);
 }
 
 void CYSetProperty(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value) {
-    JSValueRef exception(NULL);
-    JSObjectSetPropertyAtIndex(context, object, index, value, &exception);
-    CYThrow(context, exception);
+    _jsccall(JSObjectSetPropertyAtIndex, context, object, index, value);
 }
 
 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef value, JSPropertyAttributes attributes) {
-    JSValueRef exception(NULL);
-    JSObjectSetProperty(context, object, name, value, attributes, &exception);
-    CYThrow(context, exception);
+    _jsccall(JSObjectSetProperty, context, object, name, value, attributes);
 }
 
 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef (*callback)(JSContextRef, JSObjectRef, JSObjectRef, size_t, const JSValueRef[], JSValueRef *), JSPropertyAttributes attributes) {
@@ -99,39 +86,36 @@ JSStringRef CYCopyJSString(CYUTF8String value) {
 JSStringRef CYCopyJSString(JSContextRef context, JSValueRef value) {
     if (JSValueIsNull(context, value))
         return NULL;
-    JSValueRef exception(NULL);
-    JSStringRef string(JSValueToStringCopy(context, value, &exception));
-    CYThrow(context, exception);
-    return string;
+    return _jsccall(JSValueToStringCopy, context, value);
 }
 
 static CYUTF16String CYCastUTF16String(JSStringRef value) {
     return CYUTF16String(JSStringGetCharactersPtr(value), JSStringGetLength(value));
 }
 
-CYUTF8String CYPoolUTF8String(apr_pool_t *pool, JSContextRef context, JSStringRef value) {
+CYUTF8String CYPoolUTF8String(CYPool &pool, JSContextRef context, JSStringRef value) {
     return CYPoolUTF8String(pool, CYCastUTF16String(value));
 }
 
-const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, JSStringRef value) {
+const char *CYPoolCString(CYPool &pool, JSContextRef context, JSStringRef value) {
     CYUTF8String utf8(CYPoolUTF8String(pool, context, value));
     _assert(memchr(utf8.data, '\0', utf8.size) == NULL);
     return utf8.data;
 }
 
-const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
+const char *CYPoolCString(CYPool &pool, JSContextRef context, JSValueRef value) {
     return JSValueIsNull(context, value) ? NULL : CYPoolCString(pool, context, CYJSString(context, value));
 }
 /* }}} */
 /* Index Offsets {{{ */
-size_t CYGetIndex(apr_pool_t *pool, JSContextRef context, JSStringRef value) {
+size_t CYGetIndex(CYPool &pool, JSContextRef context, JSStringRef value) {
     return CYGetIndex(CYPoolUTF8String(pool, context, value));
 }
 /* }}} */
 
 static JSClassRef All_;
 static JSClassRef Context_;
-static JSClassRef Functor_;
+JSClassRef Functor_;
 static JSClassRef Global_;
 static JSClassRef Pointer_;
 static JSClassRef Struct_;
@@ -154,11 +138,12 @@ static JSStringRef Result_;
 
 void CYFinalize(JSObjectRef object) {
     CYData *internal(reinterpret_cast<CYData *>(JSObjectGetPrivate(object)));
+    _assert(internal->count_ != _not(unsigned));
     if (--internal->count_ == 0)
         delete internal;
 }
 
-void Structor_(apr_pool_t *pool, sig::Type *&type) {
+void Structor_(CYPool &pool, sig::Type *&type) {
     if (
         type->primitive == sig::pointer_P &&
         type->data.data.type != NULL &&
@@ -219,7 +204,7 @@ struct Pointer :
 
     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)
     {
     }
@@ -241,7 +226,7 @@ static TypeMap Types_;
 
 JSObjectRef CYMakeStruct(JSContextRef context, void *data, sig::Type *type, ffi_type *ffi, JSObjectRef owner) {
     Struct_privateData *internal(new Struct_privateData(context, owner));
-    apr_pool_t *pool(internal->pool_);
+    CYPool &pool(*internal->pool_);
     Type_privateData *typical(new(pool) Type_privateData(type, ffi));
     internal->type_ = typical;
 
@@ -249,7 +234,7 @@ JSObjectRef CYMakeStruct(JSContextRef context, void *data, sig::Type *type, ffi_
         internal->value_ = data;
     else {
         size_t size(typical->GetFFI()->size);
-        void *copy(apr_palloc(internal->pool_, size));
+        void *copy(internal->pool_->malloc<void>(size));
         memcpy(copy, data, size);
         internal->value_ = copy;
     }
@@ -257,6 +242,10 @@ 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);
 }
@@ -282,10 +271,7 @@ JSValueRef CYJSUndefined(JSContextRef context) {
 }
 
 double CYCastDouble(JSContextRef context, JSValueRef value) {
-    JSValueRef exception(NULL);
-    double number(JSValueToNumber(context, value, &exception));
-    CYThrow(context, exception);
-    return number;
+    return _jsccall(JSValueToNumber, context, value);
 }
 
 bool CYCastBool(JSContextRef context, JSValueRef value) {
@@ -305,23 +291,32 @@ JSValueRef CYCastJSValue(JSContextRef context, const char *value) {
 }
 
 JSObjectRef CYCastJSObject(JSContextRef context, JSValueRef value) {
-    JSValueRef exception(NULL);
-    JSObjectRef object(JSValueToObject(context, value, &exception));
-    CYThrow(context, exception);
-    return object;
+    return _jsccall(JSValueToObject, context, value);
 }
 
 JSValueRef CYCallAsFunction(JSContextRef context, JSObjectRef function, JSObjectRef _this, size_t count, const JSValueRef arguments[]) {
-    JSValueRef exception(NULL);
-    JSValueRef value(JSObjectCallAsFunction(context, function, _this, count, arguments, &exception));
-    CYThrow(context, exception);
-    return value;
+    return _jsccall(JSObjectCallAsFunction, context, function, _this, count, arguments);
 }
 
 bool CYIsCallable(JSContextRef context, JSValueRef value) {
     return value != NULL && JSValueIsObject(context, value) && JSObjectIsFunction(context, (JSObjectRef) value);
 }
 
+size_t CYArrayLength(JSContextRef context, JSObjectRef array) {
+    return CYCastDouble(context, CYGetProperty(context, array, length_s));
+}
+
+JSValueRef CYArrayGet(JSContextRef context, JSObjectRef array, size_t index) {
+    return _jsccall(JSObjectGetPropertyAtIndex, context, array, index);
+}
+
+void CYArrayPush(JSContextRef context, JSObjectRef array, JSValueRef value) {
+    JSValueRef arguments[1];
+    arguments[0] = value;
+    JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array_prototype")));
+    _jsccall(JSObjectCallAsFunction, context, CYCastJSObject(context, CYGetProperty(context, Array, push_s)), array, 1, arguments);
+}
+
 static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     if (count == 0)
         printf("\n");
@@ -331,22 +326,22 @@ static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjec
     }
 
     return CYJSUndefined(context);
-} CYCatch }
+} CYCatch(NULL) }
 
 static size_t Nonce_(0);
 
-static JSValueRef $cyq(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
+static JSValueRef $cyq(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     CYPool pool;
-    const char *name(apr_psprintf(pool, "%s%"APR_SIZE_T_FMT"", CYPoolCString(pool, context, arguments[0]), Nonce_++));
+    const char *name(pool.strcat(CYPoolCString(pool, context, arguments[0]), pool.itoa(Nonce_++), NULL));
     return CYCastJSValue(context, name);
-}
+} CYCatch(NULL) }
 
-static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
+static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     JSGarbageCollect(context);
     return CYJSUndefined(context);
-}
+} CYCatch(NULL) }
 
-const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSValueRef value, JSValueRef *exception) { CYTry {
+const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, JSValueRef *exception) { CYTry {
     switch (JSType type = JSValueGetType(context, value)) {
         case kJSTypeUndefined:
             return "undefined";
@@ -359,7 +354,7 @@ const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSValueRef value
             std::ostringstream str;
             CYNumerify(str, CYCastDouble(context, value));
             std::string value(str.str());
-            return apr_pstrmemdup(pool, value.c_str(), value.size());
+            return pool.strmemdup(value.c_str(), value.size());
         } break;
 
         case kJSTypeString: {
@@ -367,7 +362,7 @@ const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSValueRef value
             CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, value)));
             CYStringify(str, string.data, string.size);
             std::string value(str.str());
-            return apr_pstrmemdup(pool, value.c_str(), value.size());
+            return pool.strmemdup(value.c_str(), value.size());
         } break;
 
         case kJSTypeObject:
@@ -375,16 +370,13 @@ 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);
-    const char *cyon(CYPoolCCYON(pool, context, value, &exception));
-    CYThrow(context, exception);
-    return cyon;
+const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value) {
+    return _jsccall(CYPoolCCYON, pool, context, value);
 }
 
-const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
+const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSObjectRef object) {
     JSValueRef toCYON(CYGetProperty(context, object, toCYON_s));
     if (CYIsCallable(context, toCYON)) {
         JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toCYON, object, 0, NULL));
@@ -395,10 +387,7 @@ const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSObjectRef obje
     JSValueRef toJSON(CYGetProperty(context, object, toJSON_s));
     if (CYIsCallable(context, toJSON)) {
         JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
-        JSValueRef exception(NULL);
-        const char *cyon(CYPoolCCYON(pool, context, CYCallAsFunction(context, (JSObjectRef) toJSON, object, 1, arguments), &exception));
-        CYThrow(context, exception);
-        return cyon;
+        return _jsccall(CYPoolCCYON, pool, context, CYCallAsFunction(context, (JSObjectRef) toJSON, object, 1, arguments));
     }
 
     if (JSObjectIsFunction(context, object)) {
@@ -421,29 +410,35 @@ const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSObjectRef obje
     bool comma(false);
 
     for (size_t index(0), count(JSPropertyNameArrayGetCount(names)); index != count; ++index) {
-        JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index));
-        JSValueRef value(CYGetProperty(context, object, name));
-
         if (comma)
             str << ',';
         else
             comma = true;
 
+        JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index));
         CYUTF8String string(CYPoolUTF8String(pool, context, name));
+
         if (CYIsKey(string))
             str << string.data;
         else
             CYStringify(str, string.data, string.size);
 
-        str << ':' << CYPoolCCYON(pool, context, value);
-    }
+        str << ':';
 
-    str << '}';
+        try {
+            JSValueRef value(CYGetProperty(context, object, name));
+            str << CYPoolCCYON(pool, context, value);
+        } catch (const CYException &error) {
+            str << "@error";
+        }
+    }
 
     JSPropertyNameArrayRelease(names);
 
+    str << '}';
+
     std::string string(str.str());
-    return apr_pstrmemdup(pool, string.c_str(), string.size());
+    return pool.strmemdup(string.c_str(), string.size());
 }
 
 static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
@@ -456,18 +451,21 @@ static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef
     bool comma(false);
 
     for (size_t index(0), count(CYCastDouble(context, length)); index != count; ++index) {
-        JSValueRef value(CYGetProperty(context, _this, index));
-
         if (comma)
             str << ',';
         else
             comma = true;
 
-        if (!JSValueIsUndefined(context, value))
-            str << CYPoolCCYON(pool, context, value);
-        else {
-            str << ',';
-            comma = false;
+        try {
+            JSValueRef value(CYGetProperty(context, _this, index));
+            if (!JSValueIsUndefined(context, value))
+                str << CYPoolCCYON(pool, context, value);
+            else {
+                str << ',';
+                comma = false;
+            }
+        } catch (const CYException &error) {
+            str << "@error";
         }
     }
 
@@ -475,7 +473,7 @@ 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;
@@ -486,32 +484,35 @@ 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);
 }
 
-static bool CYGetOffset(apr_pool_t *pool, JSContextRef context, JSStringRef value, ssize_t &index) {
+static bool CYGetOffset(CYPool &pool, JSContextRef context, JSStringRef value, ssize_t &index) {
     return CYGetOffset(CYPoolCString(pool, context, value), index);
 }
 
@@ -539,7 +540,7 @@ void *CYCastPointer_(JSContextRef context, JSValueRef value) {
     }
 }
 
-void CYPoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) {
+void CYPoolFFI(CYPool *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) {
     switch (type->primitive) {
         case sig::boolean_P:
             *reinterpret_cast<bool *>(data) = JSValueToBoolean(context, value);
@@ -589,7 +590,8 @@ void CYPoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type
         break;
 
         case sig::string_P:
-            *reinterpret_cast<const char **>(data) = CYPoolCString(pool, context, value);
+            _assert(pool != NULL);
+            *reinterpret_cast<const char **>(data) = CYPoolCString(*pool, context, value);
         break;
 
         case sig::struct_P: {
@@ -754,10 +756,7 @@ JSObjectRef CYGetCachedObject(JSContextRef context, JSStringRef name) {
 static JSObjectRef CYMakeFunctor(JSContextRef context, JSValueRef value, const char *type) {
     JSObjectRef Function(CYGetCachedObject(context, CYJSString("Function")));
 
-    JSValueRef exception(NULL);
-    bool function(JSValueIsInstanceOfConstructor(context, value, Function, &exception));
-    CYThrow(context, exception);
-
+    bool function(_jsccall(JSValueIsInstanceOfConstructor, context, value, Function));
     if (function) {
         JSObjectRef function(CYCastJSObject(context, value));
         return CYMakeFunctor(context, function, type);
@@ -767,7 +766,7 @@ static JSObjectRef CYMakeFunctor(JSContextRef context, JSValueRef value, const c
     }
 }
 
-static bool Index_(apr_pool_t *pool, JSContextRef context, Struct_privateData *internal, JSStringRef property, ssize_t &index, uint8_t *&base) {
+static bool Index_(CYPool &pool, JSContextRef context, Struct_privateData *internal, JSStringRef property, ssize_t &index, uint8_t *&base) {
     Type_privateData *typical(internal->type_);
     sig::Type *type(typical->type_);
     if (type == NULL)
@@ -835,7 +834,7 @@ 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;
@@ -843,13 +842,13 @@ 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());
 
@@ -858,13 +857,13 @@ 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_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
+static JSValueRef Struct_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(_this)));
     Type_privateData *typical(internal->type_);
     return CYMakePointer(context, internal->value_, _not(size_t), typical->type_, typical->ffi_, _this);
-}
+} CYCatch(NULL) }
 
 static JSValueRef Struct_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     CYPool pool;
@@ -880,7 +879,7 @@ 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;
@@ -895,7 +894,7 @@ 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)));
@@ -923,7 +922,7 @@ static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JS
     }
 }
 
-JSValueRef CYCallFunction(apr_pool_t *pool, JSContextRef context, size_t setups, void *setup[], size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception, sig::Signature *signature, ffi_cif *cif, void (*function)()) { CYTry {
+JSValueRef CYCallFunction(CYPool &pool, JSContextRef context, size_t setups, void *setup[], size_t count, const JSValueRef arguments[], bool initialize, sig::Signature *signature, ffi_cif *cif, void (*function)()) {
     if (setups + count != signature->count - 1)
         throw CYJSError(context, "incorrect number of arguments to ffi function");
 
@@ -936,7 +935,7 @@ JSValueRef CYCallFunction(apr_pool_t *pool, JSContextRef context, size_t setups,
         ffi_type *ffi(cif->arg_types[index]);
         // XXX: alignment?
         values[index] = new(pool) uint8_t[ffi->size];
-        CYPoolFFI(pool, context, element->type, ffi, values[index], arguments[index - setups]);
+        CYPoolFFI(&pool, context, element->type, ffi, values[index], arguments[index - setups]);
     }
 
     uint8_t value[cif->rtype->size];
@@ -947,13 +946,13 @@ 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 }
+}
 
-static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
+static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     CYPool pool;
     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
-    return CYCallFunction(pool, context, 0, NULL, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
-}
+    return CYCallFunction(pool, context, 0, NULL, count, arguments, false, &internal->signature_, &internal->cif_, internal->GetValue());
+} CYCatch(NULL) }
 
 JSObjectRef CYMakeType(JSContextRef context, const char *type) {
     Type_privateData *internal(new Type_privateData(type));
@@ -965,10 +964,6 @@ 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"))));
@@ -998,9 +993,7 @@ 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)) {
@@ -1019,7 +1012,7 @@ 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));
@@ -1048,7 +1041,7 @@ 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)
@@ -1056,7 +1049,7 @@ 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_callAsFunction_arrayOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     if (count != 1)
@@ -1077,7 +1070,7 @@ static JSValueRef Type_callAsFunction_arrayOf(JSContextRef context, JSObjectRef
     type.data.data.size = index;
 
     return CYMakeType(context, &type);
-} CYCatch }
+} 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)
@@ -1087,7 +1080,7 @@ static JSValueRef Type_callAsFunction_constant(JSContextRef context, JSObjectRef
     sig::Type type(*internal->type_);
     type.flags |= JOC_TYPE_CONST;
     return CYMakeType(context, &type);
-} CYCatch }
+} 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)
@@ -1103,7 +1096,7 @@ static JSValueRef Type_callAsFunction_pointerTo(JSContextRef context, JSObjectRe
     type.data.data.size = 0;
 
     return CYMakeType(context, &type);
-} CYCatch }
+} CYCatch(NULL) }
 
 static JSValueRef Type_callAsFunction_withName(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     if (count != 1)
@@ -1116,7 +1109,7 @@ static JSValueRef Type_callAsFunction_withName(JSContextRef context, JSObjectRef
     sig::Type type(*internal->type_);
     type.name = name;
     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 {
     if (count != 1)
@@ -1128,9 +1121,9 @@ static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object,
     // XXX: alignment?
     uint8_t value[ffi->size];
     CYPool pool;
-    CYPoolFFI(pool, context, type, ffi, value, arguments[0]);
+    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)
@@ -1149,7 +1142,7 @@ 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)
@@ -1157,12 +1150,12 @@ 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);
@@ -1173,12 +1166,12 @@ 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 {
@@ -1186,43 +1179,45 @@ 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) {
+static JSValueRef Functor_getProperty_type(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
+    cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
+    CYPool pool;
+    return CYCastJSValue(context, Unparse(pool, &internal->signature_));
+} CYCatch(NULL) }
+
+static JSValueRef Type_getProperty_alignment(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
     return CYCastJSValue(context, internal->GetFFI()->alignment);
-}
+} CYCatch(NULL) }
 
-static JSValueRef Type_getProperty_name(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
+static JSValueRef Type_getProperty_name(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
     return CYCastJSValue(context, internal->type_->name);
-}
+} CYCatch(NULL) }
 
-static JSValueRef Type_getProperty_size(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
+static JSValueRef Type_getProperty_size(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
     return CYCastJSValue(context, internal->GetFFI()->size);
-}
+} CYCatch(NULL) }
 
 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(pool.strcat("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);
@@ -1251,6 +1246,11 @@ namespace cy {
     JSStaticFunction const * const Functor::StaticFunctions = Functor_staticFunctions;
 }
 
+static JSStaticValue Functor_staticValues[2] = {
+    {"type", &Functor_getProperty_type, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {NULL, NULL, NULL, 0}
+};
+
 static JSStaticValue Type_staticValues[4] = {
     {"alignment", &Type_getProperty_alignment, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {"name", &Type_getProperty_name, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
@@ -1278,11 +1278,9 @@ void CYSetArgs(int argc, const char *argv[]) {
         args[i] = CYCastJSValue(context, argv[i]);
 
     JSObjectRef array;
-    if (JSObjectMakeArray$ != NULL) {
-        JSValueRef exception(NULL);
-        array = (*JSObjectMakeArray$)(context, argc, args, &exception);
-        CYThrow(context, exception);
-    } else {
+    if (JSObjectMakeArray$ != NULL)
+        array = _jsccall(*JSObjectMakeArray$, context, argc, args);
+    else {
         JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array")));
         JSValueRef value(CYCallAsFunction(context, Array, NULL, argc, args));
         array = CYCastJSObject(context, value);
@@ -1296,9 +1294,9 @@ JSObjectRef CYGetGlobalObject(JSContextRef context) {
     return JSContextGetGlobalObject(context);
 }
 
-const char *CYExecute(apr_pool_t *pool, CYUTF8String code) {
+const char *CYExecute(CYPool &pool, CYUTF8String code) {
     JSContextRef context(CYGetJSContext());
-    JSValueRef exception(NULL), result;
+    JSValueRef exception(NULL);
 
     void *handle;
     if (hooks_ != NULL && hooks_->ExecuteStart != NULL)
@@ -1306,8 +1304,9 @@ const char *CYExecute(apr_pool_t *pool, CYUTF8String code) {
     else
         handle = NULL;
 
-    const char *json;
+    try {
 
+    JSValueRef result;
     try {
         result = JSEvaluateScript(context, CYJSString(code), NULL, NULL, 0, &exception);
     } catch (const char *error) {
@@ -1320,6 +1319,7 @@ const char *CYExecute(apr_pool_t *pool, CYUTF8String code) {
     if (JSValueIsUndefined(context, result))
         return NULL;
 
+    const char *json;
     try {
         json = CYPoolCCYON(pool, context, result, &exception);
     } catch (const char *error) {
@@ -1331,9 +1331,13 @@ const char *CYExecute(apr_pool_t *pool, CYUTF8String code) {
 
     CYSetProperty(context, CYGetGlobalObject(context), Result_, result);
 
-    if (hooks_ != NULL && hooks_->ExecuteEnd != NULL)
-        (*hooks_->ExecuteEnd)(context, handle);
     return json;
+
+    } catch (...) {
+        if (hooks_ != NULL && hooks_->ExecuteEnd != NULL)
+            (*hooks_->ExecuteEnd)(context, handle);
+        throw;
+    }
 }
 
 extern "C" void CydgetSetupContext(JSGlobalContextRef context) {
@@ -1347,8 +1351,6 @@ void CYInitializeDynamic() {
         initialized_ = true;
     else return;
 
-    CYInitializeStatic();
-
     JSObjectMakeArray$ = reinterpret_cast<JSObjectRef (*)(JSContextRef, size_t, const JSValueRef[], JSValueRef *)>(dlsym(RTLD_DEFAULT, "JSObjectMakeArray"));
 
     JSClassDefinition definition;
@@ -1367,6 +1369,7 @@ void CYInitializeDynamic() {
     definition = kJSClassDefinitionEmpty;
     definition.className = "Functor";
     definition.staticFunctions = cy::Functor::StaticFunctions;
+    definition.staticValues = Functor_staticValues;
     definition.callAsFunction = &Functor_callAsFunction;
     definition.finalize = &CYFinalize;
     Functor_ = JSClassCreate(&definition);
@@ -1427,7 +1430,7 @@ void CYThrow(JSContextRef context, JSValueRef value) {
         throw CYJSError(context, value);
 }
 
-const char *CYJSError::PoolCString(apr_pool_t *pool) const {
+const char *CYJSError::PoolCString(CYPool &pool) const {
     // XXX: this used to be CYPoolCString
     return CYPoolCCYON(pool, context_, value_);
 }
@@ -1439,14 +1442,8 @@ JSValueRef CYJSError::CastJSValue(JSContextRef context) const {
 
 JSValueRef CYCastJSError(JSContextRef context, const char *message) {
     JSObjectRef Error(CYGetCachedObject(context, CYJSString("Error")));
-
     JSValueRef arguments[1] = {CYCastJSValue(context, message)};
-
-    JSValueRef exception(NULL);
-    JSValueRef value(JSObjectCallAsConstructor(context, Error, 1, arguments, &exception));
-    CYThrow(context, exception);
-
-    return value;
+    return _jsccall(JSObjectCallAsConstructor, context, Error, 1, arguments);
 }
 
 JSValueRef CYPoolError::CastJSValue(JSContextRef context) const {
@@ -1460,7 +1457,8 @@ CYJSError::CYJSError(JSContextRef context, const char *format, ...) {
 
     va_list args;
     va_start(args, format);
-    const char *message(apr_pvsprintf(pool, format, args));
+    // XXX: there might be a beter way to think about this
+    const char *message(pool.vsprintf(64, format, args));
     va_end(args);
 
     value_ = CYCastJSError(context, message);
@@ -1471,8 +1469,6 @@ JSGlobalContextRef CYGetJSContext(JSContextRef context) {
 }
 
 extern "C" void CYSetupContext(JSGlobalContextRef context) {
-    JSValueRef exception(NULL);
-
     CYInitializeDynamic();
 
     JSObjectRef global(CYGetGlobalObject(context));
@@ -1526,8 +1522,7 @@ extern "C" void CYSetupContext(JSGlobalContextRef context) {
     JSObjectRef all(JSObjectMake(context, All_, NULL));
     CYSetProperty(context, cycript, CYJSString("all"), all);
 
-    JSObjectRef alls(JSObjectCallAsConstructor(context, Array, 0, NULL, &exception));
-    CYThrow(context, exception);
+    JSObjectRef alls(_jsccall(JSObjectCallAsConstructor, context, Array, 0, NULL));
     CYSetProperty(context, cycript, CYJSString("alls"), alls);
 
     if (true) {
@@ -1555,6 +1550,9 @@ 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);