remove ReferenceLibrary

Author: timfel

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

@@ -174,7 +174,6 @@
 import com.oracle.truffle.api.profiles.ValueProfile;
 import com.oracle.truffle.api.utilities.TriState;
 import com.oracle.truffle.llvm.spi.NativeTypeLibrary;
-import com.oracle.truffle.llvm.spi.ReferenceLibrary;
 
 @ExportLibrary(InteropLibrary.class)
 @ExportLibrary(NativeTypeLibrary.class)
@@ -1462,7 +1461,6 @@ static boolean isModifiableCached(PythonObjectNativeWrapper receiver, String nam
         }
     }
 
-    @ExportLibrary(ReferenceLibrary.class)
     public static final class PrimitiveNativeWrapper extends DynamicObjectNativeWrapper {
 
         public static final byte PRIMITIVE_STATE_BOOL = 1;
@@ -1728,24 +1726,6 @@ TriState isIdenticalOrUndefined(Object obj) {
                 return TriState.UNDEFINED;
             }
         }
-
-        @ExportMessage
-        static class IsSame {
-
-            @Specialization
-            static boolean doPrimitiveWrapper(PrimitiveNativeWrapper receiver, PrimitiveNativeWrapper other) {
-                // This basically emulates singletons for boxed values. However, we need to do so to
-                // preserve the invariant that storing an object into a list and getting it out (in
-                // the same critical region) returns the same object.
-                return other.state == receiver.state && other.value == receiver.value && (other.dvalue == receiver.dvalue || Double.isNaN(receiver.dvalue) && Double.isNaN(other.dvalue));
-            }
-
-            @Fallback
-            @SuppressWarnings("unused")
-            static boolean doGeneric(PrimitiveNativeWrapper receiver, Object other) {
-                return false;
-            }
-        }
     }
 
     @ExportMessage

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

@@ -92,10 +92,8 @@
 import com.oracle.truffle.api.profiles.ConditionProfile;
 import com.oracle.truffle.api.profiles.ValueProfile;
 import com.oracle.truffle.api.utilities.TriState;
-import com.oracle.truffle.llvm.spi.ReferenceLibrary;
 
 @ExportLibrary(PythonObjectLibrary.class)
-@ExportLibrary(ReferenceLibrary.class)
 @ExportLibrary(InteropLibrary.class)
 public final class PythonAbstractNativeObject extends PythonAbstractObject implements PythonNativeObject, PythonNativeClass {
 
@@ -304,22 +302,6 @@ TriState isIdenticalOrUndefined(Object other,
         return TriState.valueOf(lib.isIdentical(object, other, lib));
     }
 
-    @ExportMessage
-    static class IsSame {
-
-        @Specialization
-        static boolean doNativeObject(PythonAbstractNativeObject receiver, PythonAbstractNativeObject other,
-                        @CachedLibrary("receiver.object") ReferenceLibrary referenceLibrary) {
-            return referenceLibrary.isSame(receiver.object, other.object);
-        }
-
-        @Fallback
-        @SuppressWarnings("unused")
-        static boolean doOther(PythonAbstractNativeObject receiver, Object other) {
-            return false;
-        }
-    }
-
     @ExportMessage(library = PythonObjectLibrary.class, name = "isLazyPythonClass")
     @ExportMessage(library = InteropLibrary.class)
     boolean isMetaObject(

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

@@ -49,14 +49,12 @@
 import com.oracle.truffle.api.library.ExportMessage;
 import com.oracle.truffle.api.utilities.TriState;
 import com.oracle.truffle.llvm.spi.NativeTypeLibrary;
-import com.oracle.truffle.llvm.spi.ReferenceLibrary;
 
 /**
  * A simple wrapper around native {@code NULL}.
  */
 @ExportLibrary(InteropLibrary.class)
 @ExportLibrary(NativeTypeLibrary.class)
-@ExportLibrary(ReferenceLibrary.class)
 public class PythonNativeNull implements TruffleObject {
     private Object ptr;
 
@@ -97,12 +95,6 @@ public Object getNativeType() {
         return null;
     }
 
-    @ExportMessage(limit = "1")
-    boolean isSame(Object other,
-                    @CachedLibrary("this.getPtr()") ReferenceLibrary delegateLib) {
-        return delegateLib.isSame(ptr, other);
-    }
-
     @ExportMessage(limit = "1")
     int identityHashCode(@CachedLibrary("this.getPtr()") InteropLibrary lib) throws UnsupportedMessageException {
         return lib.identityHashCode(ptr);

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/type/TypeNodes.java

@@ -107,7 +107,6 @@
 import com.oracle.truffle.api.object.Shape;
 import com.oracle.truffle.api.profiles.ConditionProfile;
 import com.oracle.truffle.api.profiles.ValueProfile;
-import com.oracle.truffle.llvm.spi.ReferenceLibrary;
 
 public abstract class TypeNodes {