478 () -> MethodType.methodType(type, valueClass()),
479 C -> C.vload(0).getfield(valueClass(), name, fieldType).return_(fieldType));
480 }
481
482 private static <T extends MethodHandleCodeBuilder<T>> T valueHandleBuilder(Class<?> dvt, ValueHandleKey key, MethodHandleCodeBuilder<T> C) {
483 MethodType mt = key.kind.handleType();
484 if (mt.parameterCount() > 0) {
485 throw new AssertionError("Non-nilary handle builders not supported yet");
486 }
487 Class<?> vtSupportClass = MinimalValueTypes_1_0.getIncubatorValueTypeClass();
488 return C.vbox(MinimalValueTypes_1_0.getValueCapableClass(dvt))
489 .invokevirtual(Object.class, "getClass", "()Ljava/lang/Class;", false)
490 .invokestatic(vtSupportClass, "forClass",
491 MethodType.methodType(vtSupportClass, Class.class).toMethodDescriptorString(), false)
492 .invokevirtual(vtSupportClass, key.kind.handleName(), key.kind.handleType().toMethodDescriptorString(), false);
493 }
494
495 private MethodHandle getOrLoad(Lookup lookup, ValueHandleKey key, Supplier<MethodType> typeSupplier, Consumer<? super MethodHandleCodeBuilder<?>> codeBuilder) {
496 MethodHandle result = handleMap.get(key);
497 if (result == null) {
498 String handleDebugName = sourceClass().getName() + "_" + key.kind.handleName();
499 result = MethodHandleBuilder.loadCode(lookup, handleDebugName, typeSupplier.get(), codeBuilder);
500 handleMap.put(key, result);
501 }
502 return result;
503 }
504
505 boolean isValueField(Field f) {
506 return (f.getModifiers() & (Modifier.FINAL | Modifier.STATIC)) == Modifier.FINAL;
507 }
508
509 public Field[] valueFields() {
510 return Stream.of(sourceClass().getDeclaredFields())
511 .filter(this::isValueField)
512 .toArray(Field[]::new);
513 }
514
515 final static class FieldInfo {
516
517 private final String name;
518 private final Class<?> type;
519
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478 () -> MethodType.methodType(type, valueClass()),
479 C -> C.vload(0).getfield(valueClass(), name, fieldType).return_(fieldType));
480 }
481
482 private static <T extends MethodHandleCodeBuilder<T>> T valueHandleBuilder(Class<?> dvt, ValueHandleKey key, MethodHandleCodeBuilder<T> C) {
483 MethodType mt = key.kind.handleType();
484 if (mt.parameterCount() > 0) {
485 throw new AssertionError("Non-nilary handle builders not supported yet");
486 }
487 Class<?> vtSupportClass = MinimalValueTypes_1_0.getIncubatorValueTypeClass();
488 return C.vbox(MinimalValueTypes_1_0.getValueCapableClass(dvt))
489 .invokevirtual(Object.class, "getClass", "()Ljava/lang/Class;", false)
490 .invokestatic(vtSupportClass, "forClass",
491 MethodType.methodType(vtSupportClass, Class.class).toMethodDescriptorString(), false)
492 .invokevirtual(vtSupportClass, key.kind.handleName(), key.kind.handleType().toMethodDescriptorString(), false);
493 }
494
495 private MethodHandle getOrLoad(Lookup lookup, ValueHandleKey key, Supplier<MethodType> typeSupplier, Consumer<? super MethodHandleCodeBuilder<?>> codeBuilder) {
496 MethodHandle result = handleMap.get(key);
497 if (result == null) {
498 String handleClassName = sourceClass().getName() + "_" + key.kind.handleName();
499 result = MethodHandleBuilder.loadCode(lookup, handleClassName, key.kind.handleName(), typeSupplier.get(), codeBuilder);
500 handleMap.put(key, result);
501 }
502 return result;
503 }
504
505 boolean isValueField(Field f) {
506 return (f.getModifiers() & (Modifier.FINAL | Modifier.STATIC)) == Modifier.FINAL;
507 }
508
509 public Field[] valueFields() {
510 return Stream.of(sourceClass().getDeclaredFields())
511 .filter(this::isValueField)
512 .toArray(Field[]::new);
513 }
514
515 final static class FieldInfo {
516
517 private final String name;
518 private final Class<?> type;
519
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