Define 'memoryview' a builtin type.

Author: fangerer

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/PythonBuiltinClassType.java

@@ -72,6 +72,7 @@ public enum PythonBuiltinClassType {
     PLongArrayIterator(com.oracle.graal.python.builtins.objects.iterator.PLongArrayIterator.class, "iterator"),
     PLongSequenceIterator(com.oracle.graal.python.builtins.objects.iterator.PLongSequenceIterator.class, "iterator"),
     PMappingproxy(com.oracle.graal.python.builtins.objects.mappingproxy.PMappingproxy.class, "mapping_proxy"),
+    PMemoryView(com.oracle.graal.python.builtins.objects.memoryview.PMemoryView.class, "memoryview"),
     PMethod(com.oracle.graal.python.builtins.objects.method.PMethod.class, "method"),
     PNone(com.oracle.graal.python.builtins.objects.PNone.class, "NoneType"),
     PNotImplemented(com.oracle.graal.python.builtins.objects.PNotImplemented.class, "NotImplementedType"),

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/BuiltinConstructors.java

@@ -35,6 +35,7 @@
 import static com.oracle.graal.python.nodes.BuiltinNames.FROZENSET;
 import static com.oracle.graal.python.nodes.BuiltinNames.INT;
 import static com.oracle.graal.python.nodes.BuiltinNames.LIST;
+import static com.oracle.graal.python.nodes.BuiltinNames.MEMORYVIEW;
 import static com.oracle.graal.python.nodes.BuiltinNames.MODULE;
 import static com.oracle.graal.python.nodes.BuiltinNames.OBJECT;
 import static com.oracle.graal.python.nodes.BuiltinNames.RANGE;
@@ -103,6 +104,7 @@
 import com.oracle.graal.python.builtins.objects.list.PList;
 import com.oracle.graal.python.builtins.objects.mappingproxy.PMappingproxy;
 import com.oracle.graal.python.builtins.objects.memoryview.PBuffer;
+import com.oracle.graal.python.builtins.objects.memoryview.PMemoryView;
 import com.oracle.graal.python.builtins.objects.method.PBuiltinMethod;
 import com.oracle.graal.python.builtins.objects.method.PMethod;
 import com.oracle.graal.python.builtins.objects.module.PythonModule;
@@ -1597,4 +1599,14 @@ public PBuffer listObject(@SuppressWarnings("unused") Object cls, Object arg) {
         }
     }
 
+    // memoryview(obj)
+    @Builtin(name = MEMORYVIEW, fixedNumOfArguments = 2, constructsClass = PMemoryView.class)
+    @GenerateNodeFactory
+    public abstract static class MemoryViewNode extends PythonBuiltinNode {
+        @Specialization
+        public PMemoryView doGeneric(PythonClass cls, Object value) {
+            return factory().createMemoryView(cls, value);
+        }
+    }
+
 }

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/memoryview/PMemoryView.java

@@ -45,7 +45,7 @@
 
 public class PMemoryView extends PythonBuiltinObject {
 
-    public PMemoryView(PythonClass cls) {
+    public PMemoryView(PythonClass cls, Object obj) {
         super(cls);
     }
 

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/runtime/object/PythonObjectFactory.java

@@ -84,6 +84,7 @@
 import com.oracle.graal.python.builtins.objects.list.PList;
 import com.oracle.graal.python.builtins.objects.mappingproxy.PMappingproxy;
 import com.oracle.graal.python.builtins.objects.memoryview.PBuffer;
+import com.oracle.graal.python.builtins.objects.memoryview.PMemoryView;
 import com.oracle.graal.python.builtins.objects.method.PBuiltinMethod;
 import com.oracle.graal.python.builtins.objects.method.PMethod;
 import com.oracle.graal.python.builtins.objects.module.PythonModule;
@@ -333,6 +334,10 @@ public PythonNativeClass createNativeClassWrapper(Object object, PythonClass met
         return trace(new PythonNativeClass(object, metaClass, name, pythonClasses));
     }
 
+    public PMemoryView createMemoryView(PythonClass metaclass, Object value) {
+        return trace(new PMemoryView(metaclass, value));
+    }
+
     public final PMethod createMethod(PythonClass cls, Object self, PFunction function) {
         return trace(new PMethod(cls, self, function));
     }