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8241100: Make Boolean, Character, Byte, and Short implement Constable

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Reviewed-by: jrose, briangoetz, psandoz
This commit is contained in:
Jorn Vernee 2020-05-04 09:41:01 -07:00
parent 2d8bea8c1d
commit 31041d406a
8 changed files with 330 additions and 14 deletions
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36
src/java.base/share/classes/java/lang/constant/ConstantDescs.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2018, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -194,10 +194,18 @@ public final class ConstantDescs {
= ofConstantBootstrap(CD_ConstantBootstraps, "enumConstant",
CD_Enum);
/**
* {@link MethodHandleDesc} representing {@link ConstantBootstraps#getStaticFinal(Lookup, String, Class, Class) ConstantBootstraps.getStaticFinal}
* @since 15
*/
public static final DirectMethodHandleDesc BSM_GET_STATIC_FINAL
= ofConstantBootstrap(CD_ConstantBootstraps, "getStaticFinal",
CD_Object, CD_Class);
/** {@link MethodHandleDesc} representing {@link ConstantBootstraps#nullConstant(Lookup, String, Class) ConstantBootstraps.nullConstant} */
public static final DirectMethodHandleDesc BSM_NULL_CONSTANT
= ofConstantBootstrap(CD_ConstantBootstraps, "nullConstant",
ConstantDescs.CD_Object);
CD_Object);
/** {@link MethodHandleDesc} representing {@link ConstantBootstraps#fieldVarHandle(Lookup, String, Class, Class, Class) ConstantBootstraps.fieldVarHandle} */
public static final DirectMethodHandleDesc BSM_VARHANDLE_FIELD
@ -219,6 +227,14 @@ public final class ConstantDescs {
= ofConstantBootstrap(CD_ConstantBootstraps, "invoke",
CD_Object, CD_MethodHandle, CD_Object.arrayType());
/**
* {@link MethodHandleDesc} representing {@link ConstantBootstraps#explicitCast(Lookup, String, Class, Object)} ConstantBootstraps.explicitCast}
* @since 15
*/
public static final DirectMethodHandleDesc BSM_EXPLICIT_CAST
= ofConstantBootstrap(CD_ConstantBootstraps, "explicitCast",
CD_Object, CD_Object);
/** {@link ClassDesc} representing the primitive type {@code int} */
public static final ClassDesc CD_int = ClassDesc.ofDescriptor("I");
@ -251,6 +267,22 @@ public final class ConstantDescs {
= DynamicConstantDesc.ofNamed(ConstantDescs.BSM_NULL_CONSTANT,
DEFAULT_NAME, ConstantDescs.CD_Object);
/**
* Nominal descriptor representing the constant {@linkplain Boolean#TRUE}
* @since 15
*/
public static final DynamicConstantDesc<Boolean> TRUE
= DynamicConstantDesc.ofNamed(BSM_GET_STATIC_FINAL,
"TRUE", CD_Boolean, CD_Boolean);
/**
* Nominal descriptor representing the constant {@linkplain Boolean#TRUE}
* @since 15
*/
public static final DynamicConstantDesc<Boolean> FALSE
= DynamicConstantDesc.ofNamed(BSM_GET_STATIC_FINAL,
"FALSE", CD_Boolean, CD_Boolean);
static final DirectMethodHandleDesc MHD_METHODHANDLE_ASTYPE
= MethodHandleDesc.ofMethod(Kind.VIRTUAL, CD_MethodHandle, "asType",
MethodTypeDesc.of(CD_MethodHandle, CD_MethodType));