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.Attribute;

import org.objectweb.asm.ClassAdapter;

import org.objectweb.asm.ClassVisitor;

import org.objectweb.asm.FieldVisitor;

import org.objectweb.asm.MethodVisitor;

import org.objectweb.asm.Opcodes;

/**

 * A {@link ClassVisitor} that collects the {@link Constant}s of the classes it

 * visits.

 *

 * @author Eric Bruneton

 */

public class ClassConstantsCollector extends ClassAdapter {

    private ConstantPool cp;

    public ClassConstantsCollector(final ClassVisitor cv, final ConstantPool cp)

    {

        super(cv);

        this.cp = cp;

    }

    public void visit(

        final int version,

        final int access,

        final String name,

        final String signature,

        final String superName,

        final String[] interfaces)

    {

        if ((access & Opcodes.ACC_DEPRECATED) != 0) {

            cp.newUTF8("Deprecated");

        }

        if ((access & Opcodes.ACC_SYNTHETIC) != 0) {

            cp.newUTF8("Synthetic");

        }

        cp.newClass(name);

        if (signature != null) {

            cp.newUTF8("Signature");

            cp.newUTF8(signature);

        }

        if (superName != null) {

            cp.newClass(superName);

        }

        if (interfaces != null) {

            for (int i = 0; i < interfaces.length; ++i) {

                cp.newClass(interfaces[i]);

            }

        }

        cv.visit(version, access, name, signature, superName, interfaces);

    }

    public void visitSource(final String source, final String debug) {

        if (source != null) {

            cp.newUTF8("SourceFile");

            cp.newUTF8(source);

        }

        if (debug != null) {

            cp.newUTF8("SourceDebugExtension");

        }

        cv.visitSource(source, debug);

    }

    public void visitOuterClass(

        final String owner,

        final String name,

        final String desc)

    {

        cp.newUTF8("EnclosingMethod");

        cp.newClass(owner);

        if (name != null && desc != null) {

            cp.newNameType(name, desc);

        }

        cv.visitOuterClass(owner, name, desc);

    }

    public AnnotationVisitor visitAnnotation(

        final String desc,

        final boolean visible)

    {

        cp.newUTF8(desc);

        if (visible) {

            cp.newUTF8("RuntimeVisibleAnnotations");

        } else {

            cp.newUTF8("RuntimeInvisibleAnnotations");

        }

        return new AnnotationConstantsCollector(cv.visitAnnotation(desc,

                visible), cp);

    }

    public void visitAttribute(final Attribute attr) {

        // can do nothing

        cv.visitAttribute(attr);

    }

    public void visitInnerClass(

        final String name,

        final String outerName,

        final String innerName,

        final int access)

    {

        cp.newUTF8("InnerClasses");

        if (name != null) {

            cp.newClass(name);

        }

        if (outerName != null) {

            cp.newClass(outerName);

        }

        if (innerName != null) {

            cp.newClass(innerName);

        }

        cv.visitInnerClass(name, outerName, innerName, access);

    }

    public FieldVisitor visitField(

        final int access,

        final String name,

        final String desc,

        final String signature,

        final Object value)

    {

        if ((access & Opcodes.ACC_SYNTHETIC) != 0) {

            cp.newUTF8("Synthetic");

        }

        if ((access & Opcodes.ACC_DEPRECATED) != 0) {

            cp.newUTF8("Deprecated");

        }

        cp.newUTF8(name);

        cp.newUTF8(desc);

        if (signature != null) {

            cp.newUTF8("Signature");

            cp.newUTF8(signature);

        }

        if (value != null) {

            cp.newConst(value);

        }

        return new FieldConstantsCollector(cv.visitField(access,

                name,

                desc,

                signature,

                value), cp);

    }

    public MethodVisitor visitMethod(

        final int access,

        final String name,

        final String desc,

        final String signature,

        final String[] exceptions)

    {

        if ((access & Opcodes.ACC_SYNTHETIC) != 0) {

            cp.newUTF8("Synthetic");

        }

        if ((access & Opcodes.ACC_DEPRECATED) != 0) {

            cp.newUTF8("Deprecated");

        }

        cp.newUTF8(name);

        cp.newUTF8(desc);

        if (signature != null) {

            cp.newUTF8("Signature");

            cp.newUTF8(signature);

        }

        if (exceptions != null) {

            cp.newUTF8("Exceptions");

            for (int i = 0; i < exceptions.length; ++i) {

                cp.newClass(exceptions[i]);

            }

        }

        return new MethodConstantsCollector(cv.visitMethod(access,

                name,

                desc,

                signature,

                exceptions), cp);

    }

    public void visitEnd() {

        cv.visitEnd();

    }

}