Subversion Repositories openrisc

/***

 * 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.optimizer;

import org.objectweb.asm.AnnotationVisitor;

import org.objectweb.asm.Label;

import org.objectweb.asm.MethodAdapter;

import org.objectweb.asm.MethodVisitor;

import org.objectweb.asm.Opcodes;

/**

 * An {@link MethodVisitor} that collects the {@link Constant}s of the methods

 * it visits.

 *

 * @author Eric Bruneton

 */

public class MethodConstantsCollector extends MethodAdapter {

    private ConstantPool cp;

    public MethodConstantsCollector(

        final MethodVisitor mv,

        final ConstantPool cp)

    {

        super(mv);

        this.cp = cp;

    }

    public AnnotationVisitor visitAnnotationDefault() {

        cp.newUTF8("AnnotationDefault");

        return new AnnotationConstantsCollector(mv.visitAnnotationDefault(), cp);

    }

    public AnnotationVisitor visitAnnotation(

        final String desc,

        final boolean visible)

    {

        cp.newUTF8(desc);

        if (visible) {

            cp.newUTF8("RuntimeVisibleAnnotations");

        } else {

            cp.newUTF8("RuntimeInvisibleAnnotations");

        }

        return new AnnotationConstantsCollector(mv.visitAnnotation(desc,

                visible), cp);

    }

    public AnnotationVisitor visitParameterAnnotation(

        final int parameter,

        final String desc,

        final boolean visible)

    {

        cp.newUTF8(desc);

        if (visible) {

            cp.newUTF8("RuntimeVisibleParameterAnnotations");

        } else {

            cp.newUTF8("RuntimeInvisibleParameterAnnotations");

        }

        return new AnnotationConstantsCollector(mv.visitParameterAnnotation(parameter,

                desc,

                visible),

                cp);

    }

    public void visitTypeInsn(final int opcode, final String desc) {

        cp.newClass(desc);

        mv.visitTypeInsn(opcode, desc);

    }

    public void visitFieldInsn(

        final int opcode,

        final String owner,

        final String name,

        final String desc)

    {

        cp.newField(owner, name, desc);

        mv.visitFieldInsn(opcode, owner, name, desc);

    }

    public void visitMethodInsn(

        final int opcode,

        final String owner,

        final String name,

        final String desc)

    {

        boolean itf = opcode == Opcodes.INVOKEINTERFACE;

        cp.newMethod(owner, name, desc, itf);

        mv.visitMethodInsn(opcode, owner, name, desc);

    }

    public void visitLdcInsn(final Object cst) {

        cp.newConst(cst);

        mv.visitLdcInsn(cst);

    }

    public void visitMultiANewArrayInsn(final String desc, final int dims) {

        cp.newClass(desc);

        mv.visitMultiANewArrayInsn(desc, dims);

    }

    public void visitTryCatchBlock(

        final Label start,

        final Label end,

        final Label handler,

        final String type)

    {

        if (type != null) {

            cp.newClass(type);

        }

        mv.visitTryCatchBlock(start, end, handler, type);

    }

    public void visitLocalVariable(

        final String name,

        final String desc,

        final String signature,

        final Label start,

        final Label end,

        final int index)

    {

        if (signature != null) {

            cp.newUTF8("LocalVariableTypeTable");

            cp.newUTF8(name);

            cp.newUTF8(signature);

        }

        cp.newUTF8("LocalVariableTable");

        cp.newUTF8(name);

        cp.newUTF8(desc);

        mv.visitLocalVariable(name, desc, signature, start, end, index);

    }

    public void visitLineNumber(final int line, final Label start) {

        cp.newUTF8("LineNumberTable");

        mv.visitLineNumber(line, start);

    }

    public void visitMaxs(final int maxStack, final int maxLocals) {

        cp.newUTF8("Code");

        mv.visitMaxs(maxStack, maxLocals);

    }

}