[GR-23511] Fix interop contract for some native wrappers.

PullRequest: graalpython/949

Author: fangerer

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/cext/PThreadState.java

@@ -285,21 +285,8 @@ protected boolean isMemberModifiable(String member) {
     }
 
     @ExportMessage
-    protected boolean isMemberInsertable(String member) {
-        // TODO: cbasca, fangerer is this true ?
-        switch (member) {
-            case CUR_EXC_TYPE:
-            case CUR_EXC_VALUE:
-            case CUR_EXC_TRACEBACK:
-            case EXC_TYPE:
-            case EXC_VALUE:
-            case EXC_TRACEBACK:
-            case RECURSION_DEPTH:
-            case OVERFLOWED:
-                return true;
-            default:
-                return false;
-        }
+    protected boolean isMemberInsertable(@SuppressWarnings("unused") String member) {
+        return false;
     }
 
     @ExportMessage

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/cext/PyGetSetDefWrapper.java

@@ -152,8 +152,8 @@ protected boolean isMemberModifiable(String member) {
     }
 
     @ExportMessage
-    protected boolean isMemberInsertable(String member) {
-        return DOC.equals(member);
+    protected boolean isMemberInsertable(@SuppressWarnings("unused") String member) {
+        return false;
     }
 
     @ExportMessage

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/cext/PyMemberDefWrapper.java

@@ -150,8 +150,8 @@ protected boolean isMemberModifiable(String member) {
     }
 
     @ExportMessage
-    protected boolean isMemberInsertable(String member) {
-        return member.equals(DOC);
+    protected boolean isMemberInsertable(@SuppressWarnings("unused") String member) {
+        return false;
     }
 
     @ExportMessage
@@ -166,16 +166,6 @@ protected void writeMember(String member, Object value,
         setAttrNode.execute(lib.getDelegate(this), member, fromCharPointerNode.execute(value));
     }
 
-    @ExportMessage
-    protected boolean isMemberRemovable(@SuppressWarnings("unused") String member) {
-        return false;
-    }
-
-    @ExportMessage
-    protected void removeMember(@SuppressWarnings("unused") String member) throws UnsupportedMessageException {
-        throw UnsupportedMessageException.create();
-    }
-
     @ExportMessage
     @SuppressWarnings("static-method")
     protected boolean hasNativeType() {

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/cext/PyMethodDescrWrapper.java

@@ -155,8 +155,8 @@ protected boolean isMemberModifiable(String member) {
     }
 
     @ExportMessage
-    protected boolean isMemberInsertable(String member) {
-        return DOC.equals(member);
+    protected boolean isMemberInsertable(@SuppressWarnings("unused") String member) {
+        return false;
     }
 
     @ExportMessage