-/* Cycript - Inlining/Optimizing JavaScript Compiler
- * Copyright (C) 2009 Jay Freeman (saurik)
+/* Cycript - Optimizing JavaScript Compiler/Runtime
+ * Copyright (C) 2009-2012 Jay Freeman (saurik)
*/
-/* Modified BSD License {{{ */
+/* GNU Lesser 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 Lesser 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 Lesser 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 Lesser General Public License
+ * along with Cycript. If not, see <http://www.gnu.org/licenses/>.
+**/
/* }}} */
#include "Internal.hpp"
static JSClassRef All_;
static JSClassRef Context_;
-static JSClassRef Functor_;
+JSClassRef Functor_;
static JSClassRef Global_;
static JSClassRef Pointer_;
static JSClassRef Struct_;
JSStringRef splice_s;
JSStringRef toCYON_s;
JSStringRef toJSON_s;
+JSStringRef toPointer_s;
+JSStringRef toString_s;
static JSStringRef Result_;
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 << '{';
return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
} CYCatch }
+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 }
+
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);
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");
}
}
-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_);
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,
_syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC));
internal->value_ = closure;
+#endif
return internal;
}
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 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;
-
size_t length(name.size);
char keyed[length + 2];
memcpy(keyed + 1, name.data, length + 1);
return NULL;
} 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;
return CYMakeType(context, type);
} CYCatch }
-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 }
+
+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 }
+
+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 }
-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 }
+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?
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_);
}
} CYCatch }
+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;
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 }
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},
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;
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;
definition = kJSClassDefinitionEmpty;
definition.className = "All";
definition.getProperty = &All_getProperty;
+ definition.getPropertyNames = &All_getPropertyNames;
All_ = JSClassCreate(&definition);
definition = kJSClassDefinitionEmpty;
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);
splice_s = JSStringCreateWithUTF8CString("splice");
toCYON_s = JSStringCreateWithUTF8CString("toCYON");
toJSON_s = JSStringCreateWithUTF8CString("toJSON");
+ toPointer_s = JSStringCreateWithUTF8CString("toPointer");
+ toString_s = JSStringCreateWithUTF8CString("toString");
Result_ = JSStringCreateWithUTF8CString("_");
}
extern "C" void CYSetupContext(JSGlobalContextRef context) {
+ JSValueRef exception(NULL);
+
CYInitializeDynamic();
JSObjectRef global(CYGetGlobalObject(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);
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);
- goto next; for (JSValueRef next;;) {
- if (JSValueIsNull(context, next))
- break;
- last = curr;
- curr = CYCastJSObject(context, next);
- next:
- next = JSObjectGetPrototype(context, curr);
- }
+ if (true) {
+ JSObjectRef last(NULL), curr(global);
- JSObjectSetPrototype(context, last, all);
+ goto next; for (JSValueRef next;;) {
+ if (JSValueIsNull(context, next))
+ break;
+ last = curr;
+ curr = CYCastJSObject(context, next);
+ next:
+ next = JSObjectGetPrototype(context, curr);
+ }
- CYSetProperty(context, global, CYJSString("$cyq"), &$cyq);
+ JSObjectSetPrototype(context, last, all);
+ }
+
+ CYSetProperty(context, global, CYJSString("$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));
if (hooks_ != NULL && hooks_->SetupContext != NULL)
(*hooks_->SetupContext)(context);
+
+ CYArrayPush(context, alls, cycript);
}
JSGlobalContextRef CYGetJSContext() {
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