-/* 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 <sqlite3.h>
-
#include "Internal.hpp"
#include <dlfcn.h>
#include "sig/ffi_type.hpp"
#include "Pooling.hpp"
+#include "Execute.hpp"
#include <sys/mman.h>
#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 {{{ */
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;
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;
+ }
}
}
}
};
-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) {
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);
}
-static JSObjectRef CYMakeFunctor(JSContextRef context, void (*function)(), const char *type) {
- cy::Functor *internal(new cy::Functor(type, function));
+static JSObjectRef CYMakeFunctor(JSContextRef context, void (*function)(), const char *type, void **cache = NULL) {
+ cy::Functor *internal;
+
+ if (cache != NULL && *cache != NULL) {
+ internal = reinterpret_cast<cy::Functor *>(*cache);
+ ++internal->count_;
+ } else {
+ internal = new cy::Functor(type, function);
+
+ if (cache != NULL) {
+ *cache = internal;
+ ++internal->count_;
+ }
+ }
+
return JSObjectMake(context, Functor_, 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");
// 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;
}
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':
+ if (void (*symbol)() = reinterpret_cast<void (*)()>(CYCastSymbol(name.data)))
+ return CYMakeFunctor(context, symbol, entry->value_, &entry->cache_);
+ else return NULL;
+
+ 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));
-
- 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);
- }
+ 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");
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;
CYSetupContext(context);
}
+static bool initialized_ = false;
+
void CYInitializeDynamic() {
- CYInitializeStatic();
+ if (!initialized_)
+ initialized_ = true;
+ else return;
- _sqlcall(sqlite3_open("/usr/lib/libcycript.db", &Bridge_));
+ CYInitializeStatic();
JSObjectMakeArray$ = reinterpret_cast<JSObjectRef (*)(JSContextRef, size_t, const JSValueRef[], JSValueRef *)>(dlsym(RTLD_DEFAULT, "JSObjectMakeArray"));
definition = kJSClassDefinitionEmpty;
definition.className = "All";
definition.getProperty = &All_getProperty;
+ definition.getPropertyNames = &All_getPropertyNames;
All_ = JSClassCreate(&definition);
definition = kJSClassDefinitionEmpty;
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);
+
+ 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));
if (hooks_ != NULL && hooks_->SetupContext != NULL)
(*hooks_->SetupContext)(context);
+
+ CYArrayPush(context, alls, cycript);
}
JSGlobalContextRef CYGetJSContext() {
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