// 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.commons;

import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.RecordComponentVisitor;
import org.objectweb.asm.TypePath;

/**
 * A {@link RecordComponentVisitor} that remaps types with a {@link Remapper}.
 *
 * @author Remi Forax
 */
public class RecordComponentRemapper extends RecordComponentVisitor {

  /** The remapper used to remap the types in the visited field. */
  protected final Remapper remapper;

  /**
   * Constructs a new {@link RecordComponentRemapper}. <i>Subclasses must not use this
   * constructor</i>. Instead, they must use the {@link
   * #RecordComponentRemapper(int,RecordComponentVisitor,Remapper)} version.
   *
   * @param recordComponentVisitor the record component visitor this remapper must delegate to.
   * @param remapper the remapper to use to remap the types in the visited record component.
   */
  public RecordComponentRemapper(
      final RecordComponentVisitor recordComponentVisitor, final Remapper remapper) {
    this(/* latest api = */ Opcodes.ASM9, recordComponentVisitor, remapper);
  }

  /**
   * Constructs a new {@link RecordComponentRemapper}.
   *
   * @param api the ASM API version supported by this remapper. Must be one of {@link
   *     org.objectweb.asm.Opcodes#ASM8} or {@link org.objectweb.asm.Opcodes#ASM9}.
   * @param recordComponentVisitor the record component visitor this remapper must delegate to.
   * @param remapper the remapper to use to remap the types in the visited record component.
   */
  protected RecordComponentRemapper(
      final int api, final RecordComponentVisitor recordComponentVisitor, final Remapper remapper) {
    super(api, recordComponentVisitor);
    this.remapper = remapper;
  }

  @Override
  public AnnotationVisitor visitAnnotation(final String descriptor, final boolean visible) {
    AnnotationVisitor annotationVisitor =
        super.visitAnnotation(remapper.mapDesc(descriptor), visible);
    return annotationVisitor == null
        ? null
        : createAnnotationRemapper(descriptor, annotationVisitor);
  }

  @Override
  public AnnotationVisitor visitTypeAnnotation(
      final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) {
    AnnotationVisitor annotationVisitor =
        super.visitTypeAnnotation(typeRef, typePath, remapper.mapDesc(descriptor), visible);
    return annotationVisitor == null
        ? null
        : createAnnotationRemapper(descriptor, annotationVisitor);
  }

  /**
   * Constructs a new remapper for annotations. The default implementation of this method returns a
   * new {@link AnnotationRemapper}.
   *
   * @param annotationVisitor the AnnotationVisitor the remapper must delegate to.
   * @return the newly created remapper.
   * @deprecated use {@link #createAnnotationRemapper(String, AnnotationVisitor)} instead.
   */
  @Deprecated
  protected AnnotationVisitor createAnnotationRemapper(final AnnotationVisitor annotationVisitor) {
    return new AnnotationRemapper(api, /* descriptor= */ null, annotationVisitor, remapper);
  }

  /**
   * Constructs a new remapper for annotations. The default implementation of this method returns a
   * new {@link AnnotationRemapper}.
   *
   * @param descriptor the descriptor sof the visited annotation.
   * @param annotationVisitor the AnnotationVisitor the remapper must delegate to.
   * @return the newly created remapper.
   */
  protected AnnotationVisitor createAnnotationRemapper(
      final String descriptor, final AnnotationVisitor annotationVisitor) {
    return new AnnotationRemapper(api, descriptor, annotationVisitor, remapper)
        .orDeprecatedValue(createAnnotationRemapper(annotationVisitor));
  }
}
