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Optimize runtime representation for callable reference subclasses

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Instead of generating overrides for getOwner/getName/getSignature in
each anonymous class representing a callable reference, pass them to the
superclass' constructor and store as fields. This occupies some small
memory but helps to reduce the size of the generated class files, and
will be helpful for adding further runtime information to callable
references, such as information about implicit conversions this
reference has been subject to.

Represent owner as java.lang.Class + boolean instead of
KDeclarationContainer, so that the unnecessary wrapping Class->KClass
wouldn't happen before it's needed, and also to make sure all callable
references remain serializable.

Note that the argument type where the "is declaration container a class"
is passed is int instead of boolean. The plan is to pass the
aforementioned implicit conversion information as bits of this same
integer value.

 #KT-27362 Fixed
This commit is contained in:
Alexander Udalov
2020-02-14 20:28:43 +01:00
parent 8d7c8672ac
commit 98aecbef6b
38 changed files with 502 additions and 262 deletions
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compiler/testData/codegen/bytecodeListing/noReceiverInCallableReferenceClasses.txt
Vendored
-12
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@@ -12,9 +12,6 @@ synthetic final class NoReceiverInCallableReferenceClassesKt$A_bar$1 {
static method <clinit>(): void
method <init>(): void
public @org.jetbrains.annotations.Nullable method get(@org.jetbrains.annotations.Nullable p0: java.lang.Object): java.lang.Object
public method getName(): java.lang.String
public method getOwner(): kotlin.reflect.KDeclarationContainer
public method getSignature(): java.lang.String
}
@kotlin.Metadata
@@ -23,9 +20,6 @@ synthetic final class NoReceiverInCallableReferenceClassesKt$A_foo$1 {
inner class NoReceiverInCallableReferenceClassesKt$A_foo$1
static method <clinit>(): void
method <init>(): void
public final method getName(): java.lang.String
public final method getOwner(): kotlin.reflect.KDeclarationContainer
public final method getSignature(): java.lang.String
public final method invoke(@org.jetbrains.annotations.NotNull p0: A): void
public synthetic bridge method invoke(p0: java.lang.Object): java.lang.Object
}
@@ -34,18 +28,12 @@ synthetic final class NoReceiverInCallableReferenceClassesKt$A_foo$1 {
synthetic final class NoReceiverInCallableReferenceClassesKt$aBar$1 {
method <init>(p0: A): void
public @org.jetbrains.annotations.Nullable method get(): java.lang.Object
public method getName(): java.lang.String
public method getOwner(): kotlin.reflect.KDeclarationContainer
public method getSignature(): java.lang.String
}
@kotlin.Metadata
synthetic final class NoReceiverInCallableReferenceClassesKt$aFoo$1 {
inner class NoReceiverInCallableReferenceClassesKt$aFoo$1
method <init>(p0: A): void
public final method getName(): java.lang.String
public final method getOwner(): kotlin.reflect.KDeclarationContainer
public final method getSignature(): java.lang.String
public synthetic bridge method invoke(): java.lang.Object
public final method invoke(): void
}