/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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/*
 * This file is available under and governed by the GNU General Public
 * License version 2 only, as published by the Free Software Foundation.
 * However, the following notice accompanied the original version of this
 * file:
 *
 * 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
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 */
package jdk.internal.org.objectweb.asm.util;

import jdk.internal.org.objectweb.asm.AnnotationVisitor;
import jdk.internal.org.objectweb.asm.Attribute;
import jdk.internal.org.objectweb.asm.Handle;
import jdk.internal.org.objectweb.asm.Label;
import jdk.internal.org.objectweb.asm.MethodVisitor;
import jdk.internal.org.objectweb.asm.Opcodes;
import jdk.internal.org.objectweb.asm.TypePath;

A MethodVisitor that prints the methods it visits with a Printer.
Author:Eric Bruneton
/** * A {@link MethodVisitor} that prints the methods it visits with a * {@link Printer}. * * @author Eric Bruneton */
public final class TraceMethodVisitor extends MethodVisitor { public final Printer p; public TraceMethodVisitor(final Printer p) { this(null, p); } public TraceMethodVisitor(final MethodVisitor mv, final Printer p) { super(Opcodes.ASM6, mv); this.p = p; } @Override public void visitParameter(String name, int access) { p.visitParameter(name, access); super.visitParameter(name, access); } @Override public AnnotationVisitor visitAnnotation(final String desc, final boolean visible) { Printer p = this.p.visitMethodAnnotation(desc, visible); AnnotationVisitor av = mv == null ? null : mv.visitAnnotation(desc, visible); return new TraceAnnotationVisitor(av, p); } @Override public AnnotationVisitor visitTypeAnnotation(int typeRef, TypePath typePath, String desc, boolean visible) { Printer p = this.p.visitMethodTypeAnnotation(typeRef, typePath, desc, visible); AnnotationVisitor av = mv == null ? null : mv.visitTypeAnnotation( typeRef, typePath, desc, visible); return new TraceAnnotationVisitor(av, p); } @Override public void visitAttribute(final Attribute attr) { p.visitMethodAttribute(attr); super.visitAttribute(attr); } @Override public AnnotationVisitor visitAnnotationDefault() { Printer p = this.p.visitAnnotationDefault(); AnnotationVisitor av = mv == null ? null : mv.visitAnnotationDefault(); return new TraceAnnotationVisitor(av, p); } @Override public AnnotationVisitor visitParameterAnnotation(final int parameter, final String desc, final boolean visible) { Printer p = this.p.visitParameterAnnotation(parameter, desc, visible); AnnotationVisitor av = mv == null ? null : mv.visitParameterAnnotation( parameter, desc, visible); return new TraceAnnotationVisitor(av, p); } @Override public void visitCode() { p.visitCode(); super.visitCode(); } @Override public void visitFrame(final int type, final int nLocal, final Object[] local, final int nStack, final Object[] stack) { p.visitFrame(type, nLocal, local, nStack, stack); super.visitFrame(type, nLocal, local, nStack, stack); } @Override public void visitInsn(final int opcode) { p.visitInsn(opcode); super.visitInsn(opcode); } @Override public void visitIntInsn(final int opcode, final int operand) { p.visitIntInsn(opcode, operand); super.visitIntInsn(opcode, operand); } @Override public void visitVarInsn(final int opcode, final int var) { p.visitVarInsn(opcode, var); super.visitVarInsn(opcode, var); } @Override public void visitTypeInsn(final int opcode, final String type) { p.visitTypeInsn(opcode, type); super.visitTypeInsn(opcode, type); } @Override public void visitFieldInsn(final int opcode, final String owner, final String name, final String desc) { p.visitFieldInsn(opcode, owner, name, desc); super.visitFieldInsn(opcode, owner, name, desc); } @Deprecated @Override public void visitMethodInsn(int opcode, String owner, String name, String desc) { if (api >= Opcodes.ASM5) { super.visitMethodInsn(opcode, owner, name, desc); return; } p.visitMethodInsn(opcode, owner, name, desc); if (mv != null) { mv.visitMethodInsn(opcode, owner, name, desc); } } @Override public void visitMethodInsn(int opcode, String owner, String name, String desc, boolean itf) { if (api < Opcodes.ASM5) { super.visitMethodInsn(opcode, owner, name, desc, itf); return; } p.visitMethodInsn(opcode, owner, name, desc, itf); if (mv != null) { mv.visitMethodInsn(opcode, owner, name, desc, itf); } } @Override public void visitInvokeDynamicInsn(String name, String desc, Handle bsm, Object... bsmArgs) { p.visitInvokeDynamicInsn(name, desc, bsm, bsmArgs); super.visitInvokeDynamicInsn(name, desc, bsm, bsmArgs); } @Override public void visitJumpInsn(final int opcode, final Label label) { p.visitJumpInsn(opcode, label); super.visitJumpInsn(opcode, label); } @Override public void visitLabel(final Label label) { p.visitLabel(label); super.visitLabel(label); } @Override public void visitLdcInsn(final Object cst) { p.visitLdcInsn(cst); super.visitLdcInsn(cst); } @Override public void visitIincInsn(final int var, final int increment) { p.visitIincInsn(var, increment); super.visitIincInsn(var, increment); } @Override public void visitTableSwitchInsn(final int min, final int max, final Label dflt, final Label... labels) { p.visitTableSwitchInsn(min, max, dflt, labels); super.visitTableSwitchInsn(min, max, dflt, labels); } @Override public void visitLookupSwitchInsn(final Label dflt, final int[] keys, final Label[] labels) { p.visitLookupSwitchInsn(dflt, keys, labels); super.visitLookupSwitchInsn(dflt, keys, labels); } @Override public void visitMultiANewArrayInsn(final String desc, final int dims) { p.visitMultiANewArrayInsn(desc, dims); super.visitMultiANewArrayInsn(desc, dims); } @Override public AnnotationVisitor visitInsnAnnotation(int typeRef, TypePath typePath, String desc, boolean visible) { Printer p = this.p .visitInsnAnnotation(typeRef, typePath, desc, visible); AnnotationVisitor av = mv == null ? null : mv.visitInsnAnnotation( typeRef, typePath, desc, visible); return new TraceAnnotationVisitor(av, p); } @Override public void visitTryCatchBlock(final Label start, final Label end, final Label handler, final String type) { p.visitTryCatchBlock(start, end, handler, type); super.visitTryCatchBlock(start, end, handler, type); } @Override public AnnotationVisitor visitTryCatchAnnotation(int typeRef, TypePath typePath, String desc, boolean visible) { Printer p = this.p.visitTryCatchAnnotation(typeRef, typePath, desc, visible); AnnotationVisitor av = mv == null ? null : mv.visitTryCatchAnnotation( typeRef, typePath, desc, visible); return new TraceAnnotationVisitor(av, p); } @Override public void visitLocalVariable(final String name, final String desc, final String signature, final Label start, final Label end, final int index) { p.visitLocalVariable(name, desc, signature, start, end, index); super.visitLocalVariable(name, desc, signature, start, end, index); } @Override public AnnotationVisitor visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, String desc, boolean visible) { Printer p = this.p.visitLocalVariableAnnotation(typeRef, typePath, start, end, index, desc, visible); AnnotationVisitor av = mv == null ? null : mv .visitLocalVariableAnnotation(typeRef, typePath, start, end, index, desc, visible); return new TraceAnnotationVisitor(av, p); } @Override public void visitLineNumber(final int line, final Label start) { p.visitLineNumber(line, start); super.visitLineNumber(line, start); } @Override public void visitMaxs(final int maxStack, final int maxLocals) { p.visitMaxs(maxStack, maxLocals); super.visitMaxs(maxStack, maxLocals); } @Override public void visitEnd() { p.visitMethodEnd(); super.visitEnd(); } }