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8365620: Using enhanced switch in MethodHandleDesc

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Reviewed-by: liach
This commit is contained in:
Shaojin Wen 2025-09-01 05:54:54 +00:00
parent 2427c901b3
commit a668f437e4
1 changed files with 12 additions and 26 deletions
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38
src/java.base/share/classes/java/lang/constant/MethodHandleDesc.java
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@ -82,15 +82,11 @@ public sealed interface MethodHandleDesc
ClassDesc owner,
String name,
String lookupDescriptor) {
switch (kind) {
case GETTER:
case SETTER:
case STATIC_GETTER:
case STATIC_SETTER:
return ofField(kind, owner, name, ClassDesc.ofDescriptor(lookupDescriptor));
default:
return new DirectMethodHandleDescImpl(kind, owner, name, MethodTypeDesc.ofDescriptor(lookupDescriptor));
}
return switch (kind) {
case GETTER, SETTER, STATIC_GETTER, STATIC_SETTER
-> ofField(kind, owner, name, ClassDesc.ofDescriptor(lookupDescriptor));
default -> new DirectMethodHandleDescImpl(kind, owner, name, MethodTypeDesc.ofDescriptor(lookupDescriptor));
};
}
/**
@ -122,23 +118,13 @@ public sealed interface MethodHandleDesc
ClassDesc owner,
String name,
MethodTypeDesc lookupMethodType) {
switch (kind) {
case GETTER:
case SETTER:
case STATIC_GETTER:
case STATIC_SETTER:
throw new IllegalArgumentException(kind.toString());
case VIRTUAL:
case SPECIAL:
case INTERFACE_VIRTUAL:
case INTERFACE_SPECIAL:
case INTERFACE_STATIC:
case STATIC:
case CONSTRUCTOR:
return new DirectMethodHandleDescImpl(kind, owner, name, lookupMethodType);
default:
throw new IllegalArgumentException(kind.toString());
}
return switch (kind) {
case GETTER, SETTER, STATIC_GETTER, STATIC_SETTER
-> throw new IllegalArgumentException(kind.toString());
case VIRTUAL, SPECIAL, INTERFACE_VIRTUAL, INTERFACE_SPECIAL, INTERFACE_STATIC, STATIC, CONSTRUCTOR
-> new DirectMethodHandleDescImpl(kind, owner, name, lookupMethodType);
default -> throw new IllegalArgumentException(kind.toString());
};
}
/**