org.objectweb.asm.tree.RecordComponentNode Maven / Gradle / Ivy
// ASM: a very small and fast Java bytecode manipulation framework
// Copyright (c) 2000-2011 INRIA, France Telecom
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package org.objectweb.asm.tree;
import java.util.List;
import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.Attribute;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.RecordComponentVisitor;
import org.objectweb.asm.TypePath;
/**
* A node that represents a record component.
*
* @author Remi Forax
*/
public class RecordComponentNode extends RecordComponentVisitor {
/** The record component name. */
public String name;
/** The record component descriptor (see {@link org.objectweb.asm.Type}). */
public String descriptor;
/** The record component signature. May be {@literal null}. */
public String signature;
/** The runtime visible annotations of this record component. May be {@literal null}. */
public List visibleAnnotations;
/** The runtime invisible annotations of this record component. May be {@literal null}. */
public List invisibleAnnotations;
/** The runtime visible type annotations of this record component. May be {@literal null}. */
public List visibleTypeAnnotations;
/** The runtime invisible type annotations of this record component. May be {@literal null}. */
public List invisibleTypeAnnotations;
/** The non standard attributes of this record component. * May be {@literal null}. */
public List attrs;
/**
* Constructs a new {@link RecordComponentNode}. Subclasses must not use this constructor.
* Instead, they must use the {@link #RecordComponentNode(int, String, String, String)} version.
*
* @param name the record component name.
* @param descriptor the record component descriptor (see {@link org.objectweb.asm.Type}).
* @param signature the record component signature.
* @throws IllegalStateException If a subclass calls this constructor.
*/
public RecordComponentNode(final String name, final String descriptor, final String signature) {
this(/* latest api = */ Opcodes.ASM9, name, descriptor, signature);
if (getClass() != RecordComponentNode.class) {
throw new IllegalStateException();
}
}
/**
* Constructs a new {@link RecordComponentNode}.
*
* @param api the ASM API version implemented by this visitor. Must be one of {@link Opcodes#ASM8}
* or {@link Opcodes#ASM9}.
* @param name the record component name.
* @param descriptor the record component descriptor (see {@link org.objectweb.asm.Type}).
* @param signature the record component signature.
*/
public RecordComponentNode(
final int api, final String name, final String descriptor, final String signature) {
super(api);
this.name = name;
this.descriptor = descriptor;
this.signature = signature;
}
// -----------------------------------------------------------------------------------------------
// Implementation of the FieldVisitor abstract class
// -----------------------------------------------------------------------------------------------
@Override
public AnnotationVisitor visitAnnotation(final String descriptor, final boolean visible) {
AnnotationNode annotation = new AnnotationNode(descriptor);
if (visible) {
visibleAnnotations = Util.add(visibleAnnotations, annotation);
} else {
invisibleAnnotations = Util.add(invisibleAnnotations, annotation);
}
return annotation;
}
@Override
public AnnotationVisitor visitTypeAnnotation(
final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) {
TypeAnnotationNode typeAnnotation = new TypeAnnotationNode(typeRef, typePath, descriptor);
if (visible) {
visibleTypeAnnotations = Util.add(visibleTypeAnnotations, typeAnnotation);
} else {
invisibleTypeAnnotations = Util.add(invisibleTypeAnnotations, typeAnnotation);
}
return typeAnnotation;
}
@Override
public void visitAttribute(final Attribute attribute) {
attrs = Util.add(attrs, attribute);
}
@Override
public void visitEnd() {
// Nothing to do.
}
// -----------------------------------------------------------------------------------------------
// Accept methods
// -----------------------------------------------------------------------------------------------
/**
* Checks that this record component node is compatible with the given ASM API version. This
* method checks that this node, and all its children recursively, do not contain elements that
* were introduced in more recent versions of the ASM API than the given version.
*
* @param api an ASM API version. Must be one of {@link Opcodes#ASM8} or {@link Opcodes#ASM9}.
*/
public void check(final int api) {
if (api < Opcodes.ASM8) {
throw new UnsupportedClassVersionException();
}
}
/**
* Makes the given class visitor visit this record component.
*
* @param classVisitor a class visitor.
*/
public void accept(final ClassVisitor classVisitor) {
RecordComponentVisitor recordComponentVisitor =
classVisitor.visitRecordComponent(name, descriptor, signature);
if (recordComponentVisitor == null) {
return;
}
// Visit the annotations.
if (visibleAnnotations != null) {
for (int i = 0, n = visibleAnnotations.size(); i < n; ++i) {
AnnotationNode annotation = visibleAnnotations.get(i);
annotation.accept(recordComponentVisitor.visitAnnotation(annotation.desc, true));
}
}
if (invisibleAnnotations != null) {
for (int i = 0, n = invisibleAnnotations.size(); i < n; ++i) {
AnnotationNode annotation = invisibleAnnotations.get(i);
annotation.accept(recordComponentVisitor.visitAnnotation(annotation.desc, false));
}
}
if (visibleTypeAnnotations != null) {
for (int i = 0, n = visibleTypeAnnotations.size(); i < n; ++i) {
TypeAnnotationNode typeAnnotation = visibleTypeAnnotations.get(i);
typeAnnotation.accept(
recordComponentVisitor.visitTypeAnnotation(
typeAnnotation.typeRef, typeAnnotation.typePath, typeAnnotation.desc, true));
}
}
if (invisibleTypeAnnotations != null) {
for (int i = 0, n = invisibleTypeAnnotations.size(); i < n; ++i) {
TypeAnnotationNode typeAnnotation = invisibleTypeAnnotations.get(i);
typeAnnotation.accept(
recordComponentVisitor.visitTypeAnnotation(
typeAnnotation.typeRef, typeAnnotation.typePath, typeAnnotation.desc, false));
}
}
// Visit the non standard attributes.
if (attrs != null) {
for (int i = 0, n = attrs.size(); i < n; ++i) {
recordComponentVisitor.visitAttribute(attrs.get(i));
}
}
recordComponentVisitor.visitEnd();
}
}
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