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8294960: Convert java.base/java.lang.invoke package to use the Classfile API to generate lambdas and method handles

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Co-authored-by: Claes Redestad <redestad@openjdk.org>
Reviewed-by: redestad, liach
This commit is contained in:
Adam Sotona 2024-06-19 15:15:30 +00:00
parent 50bed6c67b
commit 01ee4241b7
11 changed files with 1286 additions and 1704 deletions
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20
src/java.base/share/classes/java/lang/invoke/LambdaForm.java
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@ -25,6 +25,7 @@
package java.lang.invoke;
import java.lang.classfile.TypeKind;
import jdk.internal.perf.PerfCounter;
import jdk.internal.vm.annotation.DontInline;
import jdk.internal.vm.annotation.Hidden;
@ -137,12 +138,12 @@ class LambdaForm {
public static final int VOID_RESULT = -1, LAST_RESULT = -2;
enum BasicType {
L_TYPE('L', Object.class, Wrapper.OBJECT), // all reference types
I_TYPE('I', int.class, Wrapper.INT),
J_TYPE('J', long.class, Wrapper.LONG),
F_TYPE('F', float.class, Wrapper.FLOAT),
D_TYPE('D', double.class, Wrapper.DOUBLE), // all primitive types
V_TYPE('V', void.class, Wrapper.VOID); // not valid in all contexts
L_TYPE('L', Object.class, Wrapper.OBJECT, TypeKind.ReferenceType), // all reference types
I_TYPE('I', int.class, Wrapper.INT, TypeKind.IntType),
J_TYPE('J', long.class, Wrapper.LONG, TypeKind.LongType),
F_TYPE('F', float.class, Wrapper.FLOAT, TypeKind.FloatType),
D_TYPE('D', double.class, Wrapper.DOUBLE, TypeKind.DoubleType), // all primitive types
V_TYPE('V', void.class, Wrapper.VOID, TypeKind.VoidType); // not valid in all contexts
static final @Stable BasicType[] ALL_TYPES = BasicType.values();
static final @Stable BasicType[] ARG_TYPES = Arrays.copyOf(ALL_TYPES, ALL_TYPES.length-1);
@ -153,11 +154,13 @@ class LambdaForm {
final char btChar;
final Class<?> btClass;
final Wrapper btWrapper;
final TypeKind btKind;
private BasicType(char btChar, Class<?> btClass, Wrapper wrapper) {
private BasicType(char btChar, Class<?> btClass, Wrapper wrapper, TypeKind typeKind) {
this.btChar = btChar;
this.btClass = btClass;
this.btWrapper = wrapper;
this.btKind = typeKind;
}
char basicTypeChar() {
@ -169,6 +172,9 @@ class LambdaForm {
Wrapper basicTypeWrapper() {
return btWrapper;
}
TypeKind basicTypeKind() {
return btKind;
}
int basicTypeSlots() {
return btWrapper.stackSlots();
}