9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package java.lang.invoke;
  27 
  28 import static java.lang.invoke.LambdaForm.*;
  29 import static java.lang.invoke.MethodHandleNatives.Constants.*;
  30 
  31 /**
  32  * A method handle whose behavior is determined only by its LambdaForm.
  33  * @author jrose
  34  */
  35 final class SimpleMethodHandle extends MethodHandle {
  36     private SimpleMethodHandle(MethodType type, LambdaForm form) {
  37         super(type, form);
  38     }
  39 
  40     /*non-public*/ static SimpleMethodHandle make(MethodType type, LambdaForm form) {
  41         return new SimpleMethodHandle(type, form);
  42     }
  43 
  44     @Override
  45     MethodHandle bindArgument(int pos, char basicType, Object value) {
  46         MethodType type2 = type().dropParameterTypes(pos, pos+1);
  47         LambdaForm form2 = internalForm().bind(1+pos, BoundMethodHandle.SpeciesData.EMPTY);
  48         return BoundMethodHandle.bindSingle(type2, form2, basicType, value);
  49     }
  50 
  51     @Override
  52     MethodHandle dropArguments(MethodType srcType, int pos, int drops) {
  53         LambdaForm newForm = internalForm().addArguments(pos, srcType.parameterList().subList(pos, pos+drops));
  54         return new SimpleMethodHandle(srcType, newForm);
  55     }
  56 
  57     @Override
  58     MethodHandle permuteArguments(MethodType newType, int[] reorder) {
  59         LambdaForm form2 = internalForm().permuteArguments(1, reorder, basicTypes(newType.parameterList()));
  60         return new SimpleMethodHandle(newType, form2);
  61     }
  62 
  63     @Override
  64     MethodHandle copyWith(MethodType mt, LambdaForm lf) {
  65         return new SimpleMethodHandle(mt, lf);

   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package java.lang.invoke;
  27 
  28 import static java.lang.invoke.LambdaForm.*;
  29 import static java.lang.invoke.LambdaForm.BasicType.*;
  30 
  31 /**
  32  * A method handle whose behavior is determined only by its LambdaForm.
  33  * @author jrose
  34  */
  35 final class SimpleMethodHandle extends MethodHandle {
  36     private SimpleMethodHandle(MethodType type, LambdaForm form) {
  37         super(type, form);
  38     }
  39 
  40     /*non-public*/ static SimpleMethodHandle make(MethodType type, LambdaForm form) {
  41         return new SimpleMethodHandle(type, form);
  42     }
  43 
  44     @Override
  45     MethodHandle bindArgument(int pos, BasicType basicType, Object value) {
  46         MethodType type2 = type().dropParameterTypes(pos, pos+1);
  47         LambdaForm form2 = internalForm().bind(1+pos, BoundMethodHandle.SpeciesData.EMPTY);
  48         return BoundMethodHandle.bindSingle(type2, form2, basicType, value);
  49     }
  50 
  51     @Override
  52     MethodHandle dropArguments(MethodType srcType, int pos, int drops) {
  53         LambdaForm newForm = internalForm().addArguments(pos, srcType.parameterList().subList(pos, pos+drops));
  54         return new SimpleMethodHandle(srcType, newForm);
  55     }
  56 
  57     @Override
  58     MethodHandle permuteArguments(MethodType newType, int[] reorder) {
  59         LambdaForm form2 = internalForm().permuteArguments(1, reorder, basicTypes(newType.parameterList()));
  60         return new SimpleMethodHandle(newType, form2);
  61     }
  62 
  63     @Override
  64     MethodHandle copyWith(MethodType mt, LambdaForm lf) {
  65         return new SimpleMethodHandle(mt, lf);