src/share/classes/java/lang/invoke/SimpleMethodHandle.java

rev 10276 : 8050166: Get rid of some package-private methods on arguments in j.l.i.MethodHandle
Reviewed-by: vlivanov, ?
Contributed-by: john.r.rose@oracle.com
rev 10277 : 8050173: Add j.l.i.MethodHandle.copyWith(MethodType, LambdaForm)
Reviewed-by: vlivanov, ?
Contributed-by: john.r.rose@oracle.com
rev 10279 : 8050057: Improve caching of MethodHandle reinvokers
Reviewed-by: vlivanov, ?
Contributed-by: john.r.rose@oracle.com

*** 23,45 ****
   * questions.
   */
  
  package java.lang.invoke;
  
  /**
   * A method handle whose behavior is determined only by its LambdaForm.
   * @author jrose
   */
! final class SimpleMethodHandle extends MethodHandle {
      private SimpleMethodHandle(MethodType type, LambdaForm form) {
          super(type, form);
      }
  
!     /*non-public*/ static SimpleMethodHandle make(MethodType type, LambdaForm form) {
          return new SimpleMethodHandle(type, form);
      }
  
      @Override
!     /*non-public*/ SimpleMethodHandle copyWith(MethodType mt, LambdaForm lf) {
          return make(mt, lf);
      }
  }
--- 23,101 ----
   * questions.
   */
  
  package java.lang.invoke;
  
+ import static java.lang.invoke.LambdaForm.BasicType.*;
+ import static java.lang.invoke.MethodHandleStatics.*;
+ 
  /**
   * A method handle whose behavior is determined only by its LambdaForm.
   * @author jrose
   */
! final class SimpleMethodHandle extends BoundMethodHandle {
      private SimpleMethodHandle(MethodType type, LambdaForm form) {
          super(type, form);
      }
  
!     /*non-public*/ static BoundMethodHandle make(MethodType type, LambdaForm form) {
          return new SimpleMethodHandle(type, form);
      }
  
+     /*non-public*/ static final SpeciesData SPECIES_DATA = SpeciesData.EMPTY;
+ 
+     /*non-public*/ public SpeciesData speciesData() {
+             return SPECIES_DATA;
+     }
+ 
      @Override
!     /*non-public*/ BoundMethodHandle copyWith(MethodType mt, LambdaForm lf) {
          return make(mt, lf);
      }
+ 
+     @Override
+     String internalProperties() {
+         return "\n& Class="+getClass().getSimpleName();
+     }
+ 
+     @Override
+     /*non-public*/ public int fieldCount() {
+         return 0;
+     }
+ 
+     @Override
+     /*non-public*/ final BoundMethodHandle copyWithExtendL(MethodType mt, LambdaForm lf, Object narg) {
+         return BoundMethodHandle.bindSingle(mt, lf, narg); // Use known fast path.
+     }
+     @Override
+     /*non-public*/ final BoundMethodHandle copyWithExtendI(MethodType mt, LambdaForm lf, int narg) {
+         try {
+             return (BoundMethodHandle) SPECIES_DATA.extendWith(I_TYPE).constructor().invokeBasic(mt, lf, narg);
+         } catch (Throwable ex) {
+             throw uncaughtException(ex);
+         }
+     }
+     @Override
+     /*non-public*/ final BoundMethodHandle copyWithExtendJ(MethodType mt, LambdaForm lf, long narg) {
+         try {
+             return (BoundMethodHandle) SPECIES_DATA.extendWith(J_TYPE).constructor().invokeBasic(mt, lf, narg);
+         } catch (Throwable ex) {
+             throw uncaughtException(ex);
+         }
+     }
+     @Override
+     /*non-public*/ final BoundMethodHandle copyWithExtendF(MethodType mt, LambdaForm lf, float narg) {
+         try {
+             return (BoundMethodHandle) SPECIES_DATA.extendWith(F_TYPE).constructor().invokeBasic(mt, lf, narg);
+         } catch (Throwable ex) {
+             throw uncaughtException(ex);
+         }
+     }
+     @Override
+     /*non-public*/ final BoundMethodHandle copyWithExtendD(MethodType mt, LambdaForm lf, double narg) {
+         try {
+             return (BoundMethodHandle) SPECIES_DATA.extendWith(D_TYPE).constructor().invokeBasic(mt, lf, narg);
+         } catch (Throwable ex) {
+             throw uncaughtException(ex);
+         }
+     }
  }