support FFI 1.0.0

lib/src/engine.dart

@@ -62,11 +62,11 @@ class FlutterQjs {
                 ));
           case JSChannelType.MODULE:
             if (moduleHandler == null) throw JSError('No ModuleHandler');
-            final ret = Utf8.toUtf8(moduleHandler(
+            final ret = moduleHandler(
-              Utf8.fromUtf8(ptr.cast<Utf8>()),
+              ptr.cast<Utf8>().toDartString(),
-            ));
+            ).toNativeUtf8();
             Future.microtask(() {
-              free(ret);
+              malloc.free(ret);
             });
             return ret;
           case JSChannelType.PROMISE_TRACK:

lib/src/ffi.dart

@@ -309,17 +309,17 @@ Pointer jsEval(
   String filename,
   int evalFlags,
 ) {
-  final utf8input = Utf8.toUtf8(input);
+  final utf8input = input.toNativeUtf8();
-  final utf8filename = Utf8.toUtf8(filename);
+  final utf8filename = filename.toNativeUtf8();
   final val = _jsEval(
     ctx,
     utf8input,
-    Utf8.strlen(utf8input),
+    utf8input.length,
     utf8filename,
     evalFlags,
   );
-  free(utf8input);
+  malloc.free(utf8input);
-  free(utf8filename);
+  malloc.free(utf8filename);
   runtimeOpaques[jsGetRuntime(ctx)]._port.sendPort.send(#eval);
   return val;
 }
@@ -413,9 +413,9 @@ Pointer jsNewString(
   Pointer ctx,
   String str,
 ) {
-  final utf8str = Utf8.toUtf8(str);
+  final utf8str = str.toNativeUtf8();
   final jsStr = _jsNewString(ctx, utf8str);
-  free(utf8str);
+  malloc.free(utf8str);
   return jsStr;
 }
 
@@ -599,7 +599,7 @@ String jsToCString(
 ) {
   final ptr = _jsToCString(ctx, val);
   if (ptr.address == 0) throw Exception('JSValue cannot convert to string');
-  final str = Utf8.fromUtf8(ptr);
+  final str = ptr.toDartString();
   jsFreeCString(ctx, ptr);
   return str;
 }
@@ -621,12 +621,12 @@ int jsNewClass(
   Pointer ctx,
   String name,
 ) {
-  final utf8name = Utf8.toUtf8(name);
+  final utf8name = name.toNativeUtf8();
   final val = _jsNewClass(
     ctx,
     utf8name,
   );
-  free(utf8name);
+  malloc.free(utf8name);
   return val;
 }
 
@@ -892,8 +892,8 @@ Pointer jsCall(
   Pointer thisObj,
   List<Pointer> argv,
 ) {
-  Pointer jsArgs = allocate<Uint8>(
+  Pointer jsArgs = calloc<Uint8>(
-    count: argv.length > 0 ? sizeOfJSValue * argv.length : 1,
+    argv.length > 0 ? sizeOfJSValue * argv.length : 1,
   );
   for (int i = 0; i < argv.length; ++i) {
     Pointer jsArg = argv[i];
@@ -906,7 +906,7 @@ Pointer jsCall(
     jsFreeValue(ctx, _thisObj);
   }
   jsFreeValue(ctx, func1);
-  free(jsArgs);
+  malloc.free(jsArgs);
   runtimeOpaques[jsGetRuntime(ctx)]._port.sendPort.send(#call);
   return jsRet;
 }

lib/src/isolate.dart

@@ -114,7 +114,7 @@ void _runJsIsolate(Map spawnMessage) async {
       });
     },
     moduleHandler: (name) {
-      final ptr = allocate<Pointer<Utf8>>();
+      final ptr = calloc<Pointer<Utf8>>();
       ptr.value = Pointer.fromAddress(0);
       sendPort.send({
         #type: #module,
@@ -123,12 +123,12 @@ void _runJsIsolate(Map spawnMessage) async {
       });
       while (ptr.value.address == 0) sleep(Duration.zero);
       if (ptr.value.address == -1) throw JSError('Module Not found');
-      final ret = Utf8.fromUtf8(ptr.value);
+      final ret = ptr.value.toDartString();
       sendPort.send({
         #type: #release,
         #ptr: ptr.value.address,
       });
-      free(ptr);
+      malloc.free(ptr);
       return ret;
     },
   );
@@ -220,13 +220,13 @@ class IsolateQjs {
         case #module:
           final ptr = Pointer<Pointer>.fromAddress(msg[#ptr]);
           try {
-            ptr.value = Utf8.toUtf8(await moduleHandler(msg[#name]));
+            ptr.value = (await moduleHandler(msg[#name])).toNativeUtf8();
           } catch (e) {
             ptr.value = Pointer.fromAddress(-1);
           }
           break;
         case #release:
-          free(Pointer.fromAddress(msg[#ptr]));
+          malloc.free(Pointer.fromAddress(msg[#ptr]));
           break;
       }
     }, onDone: () {

lib/src/wrapper.dart

@@ -66,7 +66,7 @@ Pointer _dartToJs(Pointer ctx, dynamic val, {Map<dynamic, dynamic> cache}) {
   }
   if (val is _JSObject) return jsDupValue(ctx, val._val);
   if (val is Future) {
-    final resolvingFunc = allocate<Uint8>(count: sizeOfJSValue * 2);
+    final resolvingFunc = malloc<Uint8>(sizeOfJSValue * 2);
     final resolvingFunc2 =
         Pointer.fromAddress(resolvingFunc.address + sizeOfJSValue);
     final ret = jsNewPromiseCapability(ctx, resolvingFunc);
@@ -74,7 +74,7 @@ Pointer _dartToJs(Pointer ctx, dynamic val, {Map<dynamic, dynamic> cache}) {
     _JSFunction rej = _jsToDart(ctx, resolvingFunc2);
     jsFreeValue(ctx, resolvingFunc, free: false);
     jsFreeValue(ctx, resolvingFunc2, free: false);
-    free(resolvingFunc);
+    malloc.free(resolvingFunc);
     _DartObject refRes = _DartObject(ctx, res);
     _DartObject refRej = _DartObject(ctx, rej);
     res.free();
@@ -95,11 +95,11 @@ Pointer _dartToJs(Pointer ctx, dynamic val, {Map<dynamic, dynamic> cache}) {
   if (val is double) return jsNewFloat64(ctx, val);
   if (val is String) return jsNewString(ctx, val);
   if (val is Uint8List) {
-    final ptr = allocate<Uint8>(count: val.length);
+    final ptr = malloc<Uint8>(val.length);
     final byteList = ptr.asTypedList(val.length);
     byteList.setAll(0, val);
     final ret = jsNewArrayBufferCopy(ctx, ptr, val.length);
-    free(ptr);
+    malloc.free(ptr);
     return ret;
   }
   if (cache.containsKey(val)) {
@@ -160,10 +160,10 @@ dynamic _jsToDart(Pointer ctx, Pointer val, {Map<int, dynamic> cache}) {
             rt, jsGetObjectOpaque(val, dartObjectClassId));
         if (dartObject != null) return dartObject._obj;
       }
-      Pointer<IntPtr> psize = allocate<IntPtr>();
+      Pointer<IntPtr> psize = malloc<IntPtr>();
       Pointer<Uint8> buf = jsGetArrayBuffer(ctx, psize, val);
       int size = psize.value;
-      free(psize);
+      malloc.free(psize);
       if (buf.address != 0) {
         return Uint8List.fromList(buf.asTypedList(size));
       }
@@ -215,11 +215,11 @@ dynamic _jsToDart(Pointer ctx, Pointer val, {Map<int, dynamic> cache}) {
         }
         return ret;
       } else {
-        Pointer<Pointer> ptab = allocate<Pointer>();
+        Pointer<Pointer> ptab = malloc<Pointer>();
-        Pointer<Uint32> plen = allocate<Uint32>();
+        Pointer<Uint32> plen = malloc<Uint32>();
         if (jsGetOwnPropertyNames(ctx, ptab, plen, val, -1) != 0) return null;
         int len = plen.value;
-        free(plen);
+        malloc.free(plen);
         Map<dynamic, dynamic> ret = Map();
         cache[valptr] = ret;
         for (int i = 0; i < len; ++i) {
@@ -233,7 +233,7 @@ dynamic _jsToDart(Pointer ctx, Pointer val, {Map<int, dynamic> cache}) {
           jsFreeAtom(ctx, jsAtom);
         }
         jsFree(ctx, ptab.value);
-        free(ptab);
+        malloc.free(ptab);
         return ret;
       }
       break;

pubspec.yaml

@@ -10,7 +10,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  ffi: ^0.1.3
+  ffi: ^1.0.0
 
 dev_dependencies:
   flutter_test: