src/java.base/share/classes/java/lang/invoke/SimpleMethodHandle.java
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rev 17771 : 8184777: species logic for BoundMethodHandle doesn't scale, needs refactor
@@ -23,10 +23,12 @@
* questions.
*/
package java.lang.invoke;
+import jdk.internal.vm.annotation.Stable;
+
import static java.lang.invoke.LambdaForm.BasicType.*;
import static java.lang.invoke.MethodHandleStatics.*;
/**
* A method handle whose behavior is determined only by its LambdaForm.
@@ -39,14 +41,14 @@
/*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*/ @Stable static BMHSpecies BMH_SPECIES;
- /*non-public*/ public SpeciesData speciesData() {
- return SPECIES_DATA;
+ /*non-public*/ public BMHSpecies speciesData() {
+ return BMH_SPECIES;
}
@Override
/*non-public*/ BoundMethodHandle copyWith(MethodType mt, LambdaForm lf) {
return make(mt, lf);
@@ -56,46 +58,41 @@
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);
+ return (BoundMethodHandle) BMH_SPECIES.extendWith(I_TYPE_NUM).factory().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);
+ return (BoundMethodHandle) BMH_SPECIES.extendWith(J_TYPE_NUM).factory().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);
+ return (BoundMethodHandle) BMH_SPECIES.extendWith(F_TYPE_NUM).factory().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);
+ return (BoundMethodHandle) BMH_SPECIES.extendWith(D_TYPE_NUM).factory().invokeBasic(mt, lf, narg);
} catch (Throwable ex) {
throw uncaughtException(ex);
}
}
}