/*

 * 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.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * 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

 * 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 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 {@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();

    }

}