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Diffstat (limited to 'tools/external/asm/org/objectweb/asm/util/TraceAnnotationVisitor.java')
| -rw-r--r-- | tools/external/asm/org/objectweb/asm/util/TraceAnnotationVisitor.java | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/tools/external/asm/org/objectweb/asm/util/TraceAnnotationVisitor.java b/tools/external/asm/org/objectweb/asm/util/TraceAnnotationVisitor.java new file mode 100644 index 000000000..827225b1c --- /dev/null +++ b/tools/external/asm/org/objectweb/asm/util/TraceAnnotationVisitor.java @@ -0,0 +1,272 @@ +/*** + * ASM: a very small and fast Java bytecode manipulation framework + * Copyright (c) 2000-2005 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.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('}'); + } else { + buf.append(value); + } + + text.add(buf.toString()); + + if (av != null) { + av.visit(name, value); + } + } + + private void visitInt(int value) { + buf.append(value); + } + + private void visitLong(long value) { + buf.append(value).append('L'); + } + + private void visitFloat(float value) { + buf.append(value).append('F'); + } + + private void visitDouble(double value) { + buf.append(value).append('D'); + } + + private void visitChar(char value) { + buf.append("(char)").append((int) value); + } + + private void visitShort(short value) { + buf.append("(short)").append(value); + } + + private void visitByte(byte value) { + buf.append("(byte)").append(value); + } + + private void visitBoolean(boolean value) { + buf.append(value); + } + + private void visitString(String value) { + appendString(buf, value); + } + + private void visitType(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 + // ------------------------------------------------------------------------ + + protected TraceAnnotationVisitor createTraceAnnotationVisitor() { + return new TraceAnnotationVisitor(); + } + + private void appendComa(int i) { + if (i != 0) { + buf.append(", "); + } + } +} |