1 files changed, 93 insertions, 0 deletions
diff --git a/asm-util/src/main/java/org/objectweb/asm/util/TraceAnnotationVisitor.java b/asm-util/src/main/java/org/objectweb/asm/util/TraceAnnotationVisitor.java
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+++ b/asm-util/src/main/java/org/objectweb/asm/util/TraceAnnotationVisitor.java
@@ -0,0 +1,93 @@
+// ASM: a very small and fast Java bytecode manipulation framework
+// Copyright (c) 2000-2011 INRIA, France Telecom
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+// 3. Neither the name of the copyright holders nor the names of its
+//    contributors may be used to endorse or promote products derived from
+//    this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+// THE POSSIBILITY OF SUCH DAMAGE.
+package org.objectweb.asm.util;
+
+import org.objectweb.asm.AnnotationVisitor;
+import org.objectweb.asm.Opcodes;
+
+/**
+ * An {@link AnnotationVisitor} that prints the annotations it visits with a {@link Printer}.
+ *
+ * @author Eric Bruneton
+ */
+public final class TraceAnnotationVisitor extends AnnotationVisitor {
+
+  /** The printer to convert the visited annotation into text. */
+  private final Printer printer;
+
+  /**
+   * Constructs a new {@link TraceAnnotationVisitor}.
+   *
+   * @param printer the printer to convert the visited annotation into text.
+   */
+  public TraceAnnotationVisitor(final Printer printer) {
+    this(null, printer);
+  }
+
+  /**
+   * Constructs a new {@link TraceAnnotationVisitor}.
+   *
+   * @param annotationVisitor the annotation visitor to which to delegate calls. May be {@literal
+   *     null}.
+   * @param printer the printer to convert the visited annotation into text.
+   */
+  public TraceAnnotationVisitor(final AnnotationVisitor annotationVisitor, final Printer printer) {
+    super(/* latest api = */ Opcodes.ASM9, annotationVisitor);
+    this.printer = printer;
+  }
+
+  @Override
+  public void visit(final String name, final Object value) {
+    printer.visit(name, value);
+    super.visit(name, value);
+  }
+
+  @Override
+  public void visitEnum(final String name, final String descriptor, final String value) {
+    printer.visitEnum(name, descriptor, value);
+    super.visitEnum(name, descriptor, value);
+  }
+
+  @Override
+  public AnnotationVisitor visitAnnotation(final String name, final String descriptor) {
+    Printer annotationPrinter = printer.visitAnnotation(name, descriptor);
+    return new TraceAnnotationVisitor(super.visitAnnotation(name, descriptor), annotationPrinter);
+  }
+
+  @Override
+  public AnnotationVisitor visitArray(final String name) {
+    Printer arrayPrinter = printer.visitArray(name);
+    return new TraceAnnotationVisitor(super.visitArray(name), arrayPrinter);
+  }
+
+  @Override
+  public void visitEnd() {
+    printer.visitAnnotationEnd();
+    super.visitEnd();
+  }
+}