| /*** |
| * ASM: a very small and fast Java bytecode manipulation framework |
| * Copyright (c) 2000-2007 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 com.google.gwt.dev.asm.util; |
| |
| import com.google.gwt.dev.asm.AnnotationVisitor; |
| import com.google.gwt.dev.asm.Type; |
| |
| /** |
| * An {@link AnnotationVisitor} that prints a disassembled view of the |
| * annotations it visits. |
| * |
| * @author Eric Bruneton |
| */ |
| public class TraceAnnotationVisitor extends TraceAbstractVisitor implements |
| AnnotationVisitor |
| { |
| |
| /** |
| * The {@link AnnotationVisitor} to which this visitor delegates calls. May |
| * be <tt>null</tt>. |
| */ |
| protected AnnotationVisitor av; |
| |
| private int valueNumber = 0; |
| |
| /** |
| * Constructs a new {@link TraceAnnotationVisitor}. |
| */ |
| public TraceAnnotationVisitor() { |
| // ignore |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Implementation of the AnnotationVisitor interface |
| // ------------------------------------------------------------------------ |
| |
| public void visit(final String name, final Object value) { |
| buf.setLength(0); |
| appendComa(valueNumber++); |
| |
| if (name != null) { |
| buf.append(name).append('='); |
| } |
| |
| if (value instanceof String) { |
| visitString((String) value); |
| } else if (value instanceof Type) { |
| visitType((Type) value); |
| } else if (value instanceof Byte) { |
| visitByte(((Byte) value).byteValue()); |
| } else if (value instanceof Boolean) { |
| visitBoolean(((Boolean) value).booleanValue()); |
| } else if (value instanceof Short) { |
| visitShort(((Short) value).shortValue()); |
| } else if (value instanceof Character) { |
| visitChar(((Character) value).charValue()); |
| } else if (value instanceof Integer) { |
| visitInt(((Integer) value).intValue()); |
| } else if (value instanceof Float) { |
| visitFloat(((Float) value).floatValue()); |
| } else if (value instanceof Long) { |
| visitLong(((Long) value).longValue()); |
| } else if (value instanceof Double) { |
| visitDouble(((Double) value).doubleValue()); |
| } else if (value.getClass().isArray()) { |
| buf.append('{'); |
| if (value instanceof byte[]) { |
| byte[] v = (byte[]) value; |
| for (int i = 0; i < v.length; i++) { |
| appendComa(i); |
| visitByte(v[i]); |
| } |
| } else if (value instanceof boolean[]) { |
| boolean[] v = (boolean[]) value; |
| for (int i = 0; i < v.length; i++) { |
| appendComa(i); |
| visitBoolean(v[i]); |
| } |
| } else if (value instanceof short[]) { |
| short[] v = (short[]) value; |
| for (int i = 0; i < v.length; i++) { |
| appendComa(i); |
| visitShort(v[i]); |
| } |
| } else if (value instanceof char[]) { |
| char[] v = (char[]) value; |
| for (int i = 0; i < v.length; i++) { |
| appendComa(i); |
| visitChar(v[i]); |
| } |
| } else if (value instanceof int[]) { |
| int[] v = (int[]) value; |
| for (int i = 0; i < v.length; i++) { |
| appendComa(i); |
| visitInt(v[i]); |
| } |
| } else if (value instanceof long[]) { |
| long[] v = (long[]) value; |
| for (int i = 0; i < v.length; i++) { |
| appendComa(i); |
| visitLong(v[i]); |
| } |
| } else if (value instanceof float[]) { |
| float[] v = (float[]) value; |
| for (int i = 0; i < v.length; i++) { |
| appendComa(i); |
| visitFloat(v[i]); |
| } |
| } else if (value instanceof double[]) { |
| double[] v = (double[]) value; |
| for (int i = 0; i < v.length; i++) { |
| appendComa(i); |
| visitDouble(v[i]); |
| } |
| } |
| buf.append('}'); |
| } |
| |
| text.add(buf.toString()); |
| |
| if (av != null) { |
| av.visit(name, value); |
| } |
| } |
| |
| private void visitInt(final int value) { |
| buf.append(value); |
| } |
| |
| private void visitLong(final long value) { |
| buf.append(value).append('L'); |
| } |
| |
| private void visitFloat(final float value) { |
| buf.append(value).append('F'); |
| } |
| |
| private void visitDouble(final double value) { |
| buf.append(value).append('D'); |
| } |
| |
| private void visitChar(final char value) { |
| buf.append("(char)").append((int) value); |
| } |
| |
| private void visitShort(final short value) { |
| buf.append("(short)").append(value); |
| } |
| |
| private void visitByte(final byte value) { |
| buf.append("(byte)").append(value); |
| } |
| |
| private void visitBoolean(final boolean value) { |
| buf.append(value); |
| } |
| |
| private void visitString(final String value) { |
| appendString(buf, value); |
| } |
| |
| private void visitType(final Type value) { |
| buf.append(value.getClassName()).append(".class"); |
| } |
| |
| public void visitEnum( |
| final String name, |
| final String desc, |
| final String value) |
| { |
| buf.setLength(0); |
| appendComa(valueNumber++); |
| if (name != null) { |
| buf.append(name).append('='); |
| } |
| appendDescriptor(FIELD_DESCRIPTOR, desc); |
| buf.append('.').append(value); |
| text.add(buf.toString()); |
| |
| if (av != null) { |
| av.visitEnum(name, desc, value); |
| } |
| } |
| |
| public AnnotationVisitor visitAnnotation( |
| final String name, |
| final String desc) |
| { |
| buf.setLength(0); |
| appendComa(valueNumber++); |
| if (name != null) { |
| buf.append(name).append('='); |
| } |
| buf.append('@'); |
| appendDescriptor(FIELD_DESCRIPTOR, desc); |
| buf.append('('); |
| text.add(buf.toString()); |
| TraceAnnotationVisitor tav = createTraceAnnotationVisitor(); |
| text.add(tav.getText()); |
| text.add(")"); |
| if (av != null) { |
| tav.av = av.visitAnnotation(name, desc); |
| } |
| return tav; |
| } |
| |
| public AnnotationVisitor visitArray(final String name) { |
| buf.setLength(0); |
| appendComa(valueNumber++); |
| if (name != null) { |
| buf.append(name).append('='); |
| } |
| buf.append('{'); |
| text.add(buf.toString()); |
| TraceAnnotationVisitor tav = createTraceAnnotationVisitor(); |
| text.add(tav.getText()); |
| text.add("}"); |
| if (av != null) { |
| tav.av = av.visitArray(name); |
| } |
| return tav; |
| } |
| |
| public void visitEnd() { |
| if (av != null) { |
| av.visitEnd(); |
| } |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Utility methods |
| // ------------------------------------------------------------------------ |
| |
| private void appendComa(final int i) { |
| if (i != 0) { |
| buf.append(", "); |
| } |
| } |
| } |