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src/java.base/share/classes/java/lang/invoke/GenerateJLIClassesHelper.java
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rev 15427 : 8164483: Generate field lambda forms at link time
Reviewed-by: TBD
@@ -26,13 +26,15 @@
package java.lang.invoke;
import java.util.Map;
import jdk.internal.org.objectweb.asm.ClassWriter;
import jdk.internal.org.objectweb.asm.Opcodes;
-
import java.util.ArrayList;
import java.util.HashSet;
+import sun.invoke.util.Wrapper;
+
+import static java.lang.invoke.MethodHandleNatives.Constants.*;
/**
* Helper class to assist the GenerateJLIClassesPlugin to get access to
* generate classes ahead of time.
*/
@@ -64,18 +66,42 @@
forms.toArray(new LambdaForm[0]));
}
static byte[] generateDirectMethodHandleHolderClassBytes(String className,
MethodType[] methodTypes, int[] types) {
- LambdaForm[] forms = new LambdaForm[methodTypes.length];
- String[] names = new String[methodTypes.length];
- for (int i = 0; i < forms.length; i++) {
- forms[i] = DirectMethodHandle.makePreparedLambdaForm(methodTypes[i],
- types[i]);
- names[i] = forms[i].kind.defaultLambdaName;
+ ArrayList<LambdaForm> forms = new ArrayList<>();
+ ArrayList<String> names = new ArrayList<>();
+ for (int i = 0; i < methodTypes.length; i++) {
+ LambdaForm form = DirectMethodHandle
+ .makePreparedLambdaForm(methodTypes[i], types[i]);
+ forms.add(form);
+ names.add(form.kind.defaultLambdaName);
+ }
+ for (Wrapper wrapper : Wrapper.values()) {
+ if (wrapper == Wrapper.VOID) {
+ continue;
+ }
+ for (byte b = DirectMethodHandle.AF_GETFIELD; b < DirectMethodHandle.AF_LIMIT; b++) {
+ int ftype = DirectMethodHandle.ftypeKind(wrapper.primitiveType());
+ LambdaForm form = DirectMethodHandle
+ .makePreparedFieldLambdaForm(b, /*isVolatile*/false, ftype);
+ if (form.kind != LambdaForm.Kind.GENERIC) {
+ forms.add(form);
+ names.add(form.kind.defaultLambdaName);
+ }
+ // volatile
+ form = DirectMethodHandle
+ .makePreparedFieldLambdaForm(b, /*isVolatile*/true, ftype);
+ if (form.kind != LambdaForm.Kind.GENERIC) {
+ forms.add(form);
+ names.add(form.kind.defaultLambdaName);
}
- return generateCodeBytesForLFs(className, names, forms);
+ }
+ }
+ return generateCodeBytesForLFs(className,
+ names.toArray(new String[0]),
+ forms.toArray(new LambdaForm[0]));
}
static byte[] generateDelegatingMethodHandleHolderClassBytes(String className,
MethodType[] methodTypes) {
@@ -164,6 +190,7 @@
BoundMethodHandle.Factory.speciesInternalClassName(shortTypes);
return Map.entry(className,
BoundMethodHandle.Factory.generateConcreteBMHClassBytes(
shortTypes, types, className));
}
+
}
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