]> git.saurik.com Git - cycript.git/blobdiff - Execute.cpp
Somewhat better iconv handling on the Mac when MacPorts is in the path (aka Horrible...
[cycript.git] / Execute.cpp
index a517fb4df08c8d1b17c8b47b37e05b0ef8fb55d7..8ac1b14657925697d8624e9c56de008a7d014a9c 100644 (file)
@@ -37,8 +37,6 @@
 */
 /* }}} */
 
-#include <sqlite3.h>
-
 #include "Internal.hpp"
 
 #include <dlfcn.h>
@@ -50,6 +48,7 @@
 #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 {{{ */
@@ -172,28 +165,22 @@ JSStringRef push_s;
 JSStringRef splice_s;
 JSStringRef toCYON_s;
 JSStringRef toJSON_s;
+JSStringRef toPointer_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 +191,27 @@ 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 +253,7 @@ 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) {
@@ -524,8 +489,21 @@ JSObjectRef CYMakePointer(JSContextRef context, void *pointer, size_t length, si
     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);
 }
 
@@ -537,12 +515,19 @@ 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");
@@ -976,61 +961,42 @@ static JSValueRef All_getProperty(JSContextRef context, JSObjectRef object, JSSt
         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 JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
@@ -1288,8 +1254,6 @@ 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;
@@ -1352,6 +1316,7 @@ void CYInitializeDynamic() {
     splice_s = JSStringCreateWithUTF8CString("splice");
     toCYON_s = JSStringCreateWithUTF8CString("toCYON");
     toJSON_s = JSStringCreateWithUTF8CString("toJSON");
+    toPointer_s = JSStringCreateWithUTF8CString("toPointer");
 
     Result_ = JSStringCreateWithUTF8CString("_");
 
@@ -1473,7 +1438,7 @@ extern "C" void CYSetupContext(JSGlobalContextRef context) {
     CYSetProperty(context, global, CYJSString("$cyq"), &$cyq);
 
     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));