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8331114: Further improve performance of MethodTypeDesc::descriptorString

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Reviewed-by: mchung, liach
This commit is contained in:
Claes Redestad 2024-04-27 12:12:51 +00:00
parent e3eb652c25
commit a078b5e611
5 changed files with 33 additions and 15 deletions
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21
src/java.base/share/classes/sun/invoke/util/Wrapper.java
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@ -32,7 +32,7 @@ import java.lang.constant.ClassDesc;
import java.lang.constant.ConstantDescs;
public enum Wrapper {
// wrapperType simple primitiveType simple char emptyArray format numericClass superClass
// wrapperType simple primitiveType simple char emptyArray format numericClass superClass classDescriptor
BOOLEAN( Boolean.class, "Boolean", boolean.class, "boolean", 'Z', new boolean[0], Format.unsigned( 1), 0, 0, ConstantDescs.CD_boolean),
// These must be in the order defined for widening primitive conversions in JLS 5.1.2
// Avoid boxing integral types here to defer initialization of internal caches
@ -60,9 +60,18 @@ public enum Wrapper {
private final int superClasses;
private final String wrapperSimpleName;
private final String primitiveSimpleName;
private final ClassDesc primitiveTypeDesc;
private final ClassDesc classDesc;
private Wrapper(Class<?> wtype, String wtypeName, Class<?> ptype, String ptypeName, char tchar, Object emptyArray, int format, int numericClass, int superClasses, ClassDesc primitiveTypeDesc) {
private Wrapper(Class<?> wtype,
String wtypeName,
Class<?> ptype,
String ptypeName,
char tchar,
Object emptyArray,
int format,
int numericClass,
int superClasses,
ClassDesc classDesc) {
this.wrapperType = wtype;
this.primitiveType = ptype;
this.basicTypeChar = tchar;
@ -73,7 +82,7 @@ public enum Wrapper {
this.superClasses = superClasses;
this.wrapperSimpleName = wtypeName;
this.primitiveSimpleName = ptypeName;
this.primitiveTypeDesc = primitiveTypeDesc;
this.classDesc = classDesc;
}
/** For debugging, give the details of this wrapper. */
@ -380,8 +389,8 @@ public enum Wrapper {
}
}
/** A nominal descriptor of the primitive type */
public ClassDesc primitiveClassDescriptor() { return primitiveTypeDesc; }
/** A nominal descriptor of the wrapped type */
public ClassDesc classDescriptor() { return classDesc; }
/** What is the primitive type wrapped by this wrapper? */
public Class<?> primitiveType() { return primitiveType; }