X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/217f652fdefefc86d562d49f9815001653f99075..13bcb0b112eb318b0da585f713c2ea5a69d47573:/Execute.cpp

diff --git a/Execute.cpp b/Execute.cpp
index 6ded65e..18bdce6 100644
--- a/Execute.cpp
+++ b/Execute.cpp
@@ -198,6 +198,7 @@ JSStringRef constructor_s;
 JSStringRef cy_s;
 JSStringRef cyi_s;
 JSStringRef cyt_s;
+JSStringRef cyt__s;
 JSStringRef length_s;
 JSStringRef message_s;
 JSStringRef name_s;
@@ -217,6 +218,8 @@ static JSStringRef Result_;
 
 void CYFinalize(JSObjectRef object) {
     CYData *internal(reinterpret_cast<CYData *>(JSObjectGetPrivate(object)));
+    if (internal == NULL)
+        return;
     _assert(internal->count_ != _not(unsigned));
     if (--internal->count_ == 0)
         delete internal;
@@ -669,6 +672,24 @@ bool CYGetOffset(CYPool &pool, JSContextRef context, JSStringRef value, ssize_t
     return CYGetOffset(CYPoolCString(pool, context, value), index);
 }
 
+// XXX: this is a horrible back added for CFType
+void *CYCastPointerEx_(JSContextRef context, JSObjectRef value) {
+    JSObjectRef object((JSObjectRef) value);
+    if (JSValueIsObjectOfClass(context, value, CYPrivate<Pointer>::Class_)) {
+        Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
+        return internal->value_;
+    }
+
+    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);
+    }
+
+    return NULL;
+}
+
 void *CYCastPointer_(JSContextRef context, JSValueRef value, bool *guess) {
     if (value == NULL)
         return NULL;
@@ -750,12 +771,13 @@ void Primitive<char>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi,
         CYJSString script(context, value);
         auto string(CYCastUTF16String(script));
         _assert(string.size == 1);
+        _assert((string.data[0] & 0xff) == string.data[0]);
         *reinterpret_cast<char *>(data) = string.data[0];
     }
 }
 
 void Void::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
-    _assert(false);
+    _assert(JSValueIsUndefined(context, value));
 }
 
 void Unknown::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
@@ -853,31 +875,39 @@ void Function::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *
     _assert(false);
 }
 
+// XXX: this code is getting worse, not better :/
+
 #define CYFromFFI_(Type_) \
 template <> \
 JSValueRef Primitive<Type_>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const { \
     JSValueRef value(CYCastJSValue(context, *reinterpret_cast<Type_ *>(data))); \
     JSObjectRef typed(_jsccall(JSObjectCallAsConstructor, context, CYGetCachedObject(context, CYJSString("Number")), 1, &value)); \
-    CYSetProperty(context, typed, cyt_s, CYMakeType(context, *this), kJSPropertyAttributeDontEnum); \
+    CYSetProperty(context, typed, cyt__s, CYMakeType(context, *this), kJSPropertyAttributeDontEnum); \
     return typed; \
 }
 
+#define CYFromFFI_2(Type_) \
+template <> \
+JSValueRef Primitive<Type_>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const { \
+    return CYCastJSValue(context, *reinterpret_cast<Type_ *>(data)); \
+}
+
 CYFromFFI_(wchar_t)
 CYFromFFI_(float)
 CYFromFFI_(double)
 CYFromFFI_(long double)
 
-CYFromFFI_(signed char)
-CYFromFFI_(signed int)
+CYFromFFI_2(signed char)
+CYFromFFI_2(signed int)
 CYFromFFI_(signed long int)
 CYFromFFI_(signed long long int)
-CYFromFFI_(signed short int)
+CYFromFFI_2(signed short int)
 
-CYFromFFI_(unsigned char)
-CYFromFFI_(unsigned int)
+CYFromFFI_2(unsigned char)
+CYFromFFI_2(unsigned int)
 CYFromFFI_(unsigned long int)
 CYFromFFI_(unsigned long long int)
-CYFromFFI_(unsigned short int)
+CYFromFFI_2(unsigned short int)
 
 #ifdef __SIZEOF_INT128__
 CYFromFFI_(signed __int128)
@@ -955,8 +985,7 @@ void CYExecuteClosure(ffi_cif *cif, void *result, void **arguments, void *arg) {
         values[index] = internal->signature_.elements[1 + index].type->FromFFI(context, internal->cif_.arg_types[index], arguments[index]);
 
     JSValueRef value(internal->adapter_(context, count, values, internal->function_));
-    if (internal->cif_.rtype != &ffi_type_void)
-        internal->signature_.elements[0].type->PoolFFI(NULL, context, internal->cif_.rtype, result, value);
+    internal->signature_.elements[0].type->PoolFFI(NULL, context, internal->cif_.rtype, result, value);
 }
 
 static JSValueRef FunctionAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function) {
@@ -1253,7 +1282,10 @@ static sig::Type *CYGetType(CYPool &pool, JSContextRef context, JSValueRef value
     if (JSValueIsNull(context, value))
         return &PointerToVoid_;
     JSObjectRef object(CYCastJSObject(context, value));
-    JSObjectRef type(CYCastJSObject(context, CYGetProperty(context, object, cyt_s)));
+    JSValueRef check(CYGetProperty(context, object, cyt_s));
+    if (JSValueIsUndefined(context, check))
+        CYThrow("could not infer type of argument '%s'", CYPoolCString(pool, context, value));
+    JSObjectRef type(CYCastJSObject(context, check));
     _assert(JSValueIsObjectOfClass(context, type, CYPrivate<Type_privateData>::Class_));
     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(type)));
     return internal->type_;
@@ -1678,7 +1710,7 @@ static JSValueRef Type_callAsFunction_pointerTo(JSContextRef context, JSObjectRe
     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
 
     if (dynamic_cast<sig::Primitive<char> *>(internal->type_) != NULL)
-        return CYMakeType(context, sig::String());
+        return CYMakeType(context, sig::String((internal->type_->flags & JOC_TYPE_CONST) != 0));
     else
         return CYMakeType(context, sig::Pointer(*internal->type_));
 } CYCatch(NULL) }
@@ -1860,7 +1892,7 @@ static JSValueRef CString_getProperty_length(JSContextRef context, JSObjectRef o
 } CYCatch(NULL) }
 
 static JSValueRef CString_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
-    return CYMakeType(context, sig::String());
+    return CYMakeType(context, sig::String(true));
 } CYCatch(NULL) }
 
 static JSValueRef CArray_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
@@ -1987,9 +2019,10 @@ static JSStaticValue Struct_staticValues[2] = {
     {NULL, NULL, NULL, 0}
 };
 
-static JSStaticFunction Functor_staticFunctions[4] = {
+static JSStaticFunction Functor_staticFunctions[5] = {
     {"$cya", &Functor_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {"toCYON", &Functor_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {"toPointer", &Functor_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {"valueOf", &Functor_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {NULL, NULL, 0}
 };
@@ -2129,6 +2162,7 @@ void CYInitializeDynamic() {
     JSClassDefinition definition;
 
     definition = kJSClassDefinitionEmpty;
+    definition.attributes = kJSClassAttributeNoAutomaticPrototype;
     definition.className = "All";
     definition.staticFunctions = All_staticFunctions;
     definition.hasProperty = &All_hasProperty;
@@ -2137,6 +2171,7 @@ void CYInitializeDynamic() {
     All_ = JSClassCreate(&definition);
 
     definition = kJSClassDefinitionEmpty;
+    definition.attributes = kJSClassAttributeNoAutomaticPrototype;
     definition.className = "Context";
     definition.finalize = &CYFinalize;
     CYPrivate<Context>::Class_ = JSClassCreate(&definition);
@@ -2211,6 +2246,7 @@ void CYInitializeDynamic() {
     cy_s = JSStringCreateWithUTF8CString("$cy");
     cyi_s = JSStringCreateWithUTF8CString("$cyi");
     cyt_s = JSStringCreateWithUTF8CString("$cyt");
+    cyt__s = JSStringCreateWithUTF8CString("$cyt_");
     length_s = JSStringCreateWithUTF8CString("length");
     message_s = JSStringCreateWithUTF8CString("message");
     name_s = JSStringCreateWithUTF8CString("name");
@@ -2545,7 +2581,7 @@ extern "C" void CYSetupContext(JSGlobalContextRef context) {
     }
 #endif
 
-    CYSetProperty(context, String_prototype, cyt_s, CYMakeType(context, sig::String()), kJSPropertyAttributeDontEnum);
+    CYSetProperty(context, String_prototype, cyt_s, CYMakeType(context, sig::String(true)), kJSPropertyAttributeDontEnum);
 
     CYSetProperty(context, cache, CYJSString("dlerror"), CYMakeFunctor(context, "dlerror", "*"), kJSPropertyAttributeDontEnum);
     CYSetProperty(context, cache, CYJSString("RTLD_DEFAULT"), CYCastJSValue(context, reinterpret_cast<intptr_t>(RTLD_DEFAULT)), kJSPropertyAttributeDontEnum);