Bindings generation emits (more) correct null checking

Source/bindings/dart/DartUtilities.cpp

 // Copyright 2011, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //    * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //    * Redistributions in binary form must reproduce the above
@@ skipping 747 matching lines @@
 PassRefPtr<WTF::ArrayBufferView> DartUtilities::dartToArrayBufferView(Dart_Handle array, Dart_Handle& exception)
 {
     return dartToArrayBufferViewHelper(array, exception, false);
 }
 
 PassRefPtr<WTF::ArrayBufferView> DartUtilities::dartToExternalizedArrayBufferView(Dart_Handle array, Dart_Handle& exception)
 {
     return dartToArrayBufferViewHelper(array, exception, true);
 }
 
+PassRefPtr<WTF::Int8Array> DartUtilities::dartToInt8ArrayWithNullCheck(Dart_Handle handle, Dart_Handle& exception)
+{
+    return Dart_IsNull(handle) ? nullptr : dartToInt8Array(handle, exception);
+}
+
 PassRefPtr<WTF::Int8Array> DartUtilities::dartToInt8Array(Dart_Handle handle, Dart_Handle& exception)
 {
     RefPtr<ArrayBufferView> view = DartUtilities::dartToArrayBufferView(handle, exception);
     if (exception)
         return nullptr;
     if (view->type() == ArrayBufferView::TypeInt8)
         return reinterpret_cast<Int8Array*>(view.get());
     exception = Dart_NewStringFromCString("Int8List expected");
     return nullptr;
 }
 
+PassRefPtr<WTF::Int8Array> DartUtilities::dartToInt8ArrayWithNullCheck(Dart_NativeArguments args, int idx, Dart_Handle& exception)
+{
+    Dart_Handle object = Dart_GetNativeArgument(args, idx);
+    return dartToInt8ArrayWithNullCheck(object, exception);
+}
+
 PassRefPtr<WTF::Int8Array> DartUtilities::dartToInt8Array(Dart_NativeArguments args, int idx, Dart_Handle& exception)
 {
     Dart_Handle object = Dart_GetNativeArgument(args, idx);
     return dartToInt8Array(object, exception);
 }
 
+PassRefPtr<WTF::Int32Array> DartUtilities::dartToInt32ArrayWithNullCheck(Dart_Handle handle, Dart_Handle& exception)
+{
+    return Dart_IsNull(handle) ? nullptr : dartToInt32Array(handle, exception);
+}
+
 PassRefPtr<WTF::Int32Array> DartUtilities::dartToInt32Array(Dart_Handle handle, Dart_Handle& exception)
 {
     RefPtr<ArrayBufferView> view = DartUtilities::dartToArrayBufferView(handle, exception);
     if (exception)
         return nullptr;
     if (view->type() == ArrayBufferView::TypeInt32)
         return reinterpret_cast<Int32Array*>(view.get());
     exception = Dart_NewStringFromCString("Int32List expected");
     return nullptr;
 }
 
+PassRefPtr<WTF::Int32Array> DartUtilities::dartToInt32ArrayWithNullCheck(Dart_NativeArguments args, int idx, Dart_Handle& exception)
+{
+    Dart_Handle object = Dart_GetNativeArgument(args, idx);
+    return dartToInt32ArrayWithNullCheck(object, exception);
+}
+
 PassRefPtr<WTF::Int32Array> DartUtilities::dartToInt32Array(Dart_NativeArguments args, int idx, Dart_Handle& exception)
 {
     Dart_Handle object = Dart_GetNativeArgument(args, idx);
     return dartToInt32Array(object, exception);
 }
 
+PassRefPtr<WTF::Uint8ClampedArray> DartUtilities::dartToUint8ClampedArrayWithNullCheck(Dart_Handle handle, Dart_Handle& exception)
+{
+    return Dart_IsNull(handle) ? nullptr : dartToUint8ClampedArray(handle, exception);
+}
+
 PassRefPtr<WTF::Uint8ClampedArray> DartUtilities::dartToUint8ClampedArray(Dart_Handle handle, Dart_Handle& exception)
 {
     RefPtr<ArrayBufferView> view = DartUtilities::dartToArrayBufferView(handle, exception);
     if (exception)
         return nullptr;
     if (view->type() == ArrayBufferView::TypeUint8Clamped)
         return reinterpret_cast<Uint8ClampedArray*>(view.get());
     exception = Dart_NewStringFromCString("Uint8ClampedList expected");
     return nullptr;
 }
 
+PassRefPtr<WTF::Uint8ClampedArray> DartUtilities::dartToUint8ClampedArrayWithNullCheck(Dart_NativeArguments args, int idx, Dart_Handle& exception)
+{
+    Dart_Handle object = Dart_GetNativeArgument(args, idx);
+    return dartToUint8ClampedArrayWithNullCheck(object, exception);
+}
+
 PassRefPtr<WTF::Uint8ClampedArray> DartUtilities::dartToUint8ClampedArray(Dart_NativeArguments args, int idx, Dart_Handle& exception)
 {
     Dart_Handle object = Dart_GetNativeArgument(args, idx);
     return dartToUint8ClampedArray(object, exception);
 }
 
+PassRefPtr<WTF::Uint8Array> DartUtilities::dartToUint8ArrayWithNullCheck(Dart_Handle handle, Dart_Handle& exception)
+{
+    return Dart_IsNull(handle) ? nullptr : dartToUint8Array(handle, exception);
+}
+
 PassRefPtr<WTF::Uint8Array> DartUtilities::dartToUint8Array(Dart_Handle handle, Dart_Handle& exception)
 {
     RefPtr<ArrayBufferView> view = DartUtilities::dartToArrayBufferView(handle, exception);
     if (exception)
         return nullptr;
     if (view->type() == ArrayBufferView::TypeUint8)
         return reinterpret_cast<Uint8Array*>(view.get());
     exception = Dart_NewStringFromCString("Uint8List expected");
     return nullptr;
 }
 
+PassRefPtr<WTF::Uint8Array> DartUtilities::dartToUint8ArrayWithNullCheck(Dart_NativeArguments args, int idx, Dart_Handle& exception)
+{
+    Dart_Handle object = Dart_GetNativeArgument(args, idx);
+    return dartToUint8ArrayWithNullCheck(object, exception);
+}
+
 PassRefPtr<WTF::Uint8Array> DartUtilities::dartToUint8Array(Dart_NativeArguments args, int idx, Dart_Handle& exception)
 {
     Dart_Handle object = Dart_GetNativeArgument(args, idx);
     return dartToUint8Array(object, exception);
 }
 
+PassRefPtr<WTF::Float32Array> DartUtilities::dartToFloat32ArrayWithNullCheck(Dart_Handle handle, Dart_Handle& exception)
+{
+    return Dart_IsNull(handle) ? nullptr : dartToFloat32Array(handle, exception);
+}
+
 PassRefPtr<WTF::Float32Array> DartUtilities::dartToFloat32Array(Dart_Handle handle, Dart_Handle& exception)
 {
     RefPtr<ArrayBufferView> view = DartUtilities::dartToArrayBufferView(handle, exception);
     if (exception)
         return nullptr;
     if (view->type() == ArrayBufferView::TypeFloat32)
         return reinterpret_cast<Float32Array*>(view.get());
     exception = Dart_NewStringFromCString("Float32List expected");
     return nullptr;
 }
 
+PassRefPtr<WTF::Float32Array> DartUtilities::dartToFloat32ArrayWithNullCheck(Dart_NativeArguments args, int idx, Dart_Handle& exception)
+{
+    Dart_Handle object = Dart_GetNativeArgument(args, idx);
+    return dartToFloat32ArrayWithNullCheck(object, exception);
+}
+
 PassRefPtr<WTF::Float32Array> DartUtilities::dartToFloat32Array(Dart_NativeArguments args, int idx, Dart_Handle& exception)
 {
     Dart_Handle object = Dart_GetNativeArgument(args, idx);
     return dartToFloat32Array(object, exception);
 }
 
 SQLValue DartUtilities::toSQLValue(Dart_Handle object, Dart_Handle& exception)
 {
     if (Dart_IsNull(object))
         return SQLValue();
@@ skipping 350 matching lines @@
     if (!v) {
         return 0;
     }
     ASSERT(valueLen > 0 && static_cast<size_t>(valueLen) > strlen(v));
     strncpy(value, v, valueLen);
     value[valueLen - 1] = '\0';
     return strlen(value);
 #endif
 }
 }