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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 com.sleepycat.asm;

An FieldVisitor that generates Java fields in bytecode form.

Author(s):
Eric Bruneton
 
 final class FieldWriter extends FieldVisitor {

    
The class writer to which this field must be added.
 
     private final ClassWriter cw;

    
Access flags of this field.
 
     private final int access;

    
The index of the constant pool item that contains the name of this method.
 
     private final int name;

    
The index of the constant pool item that contains the descriptor of this field.
 
     private final int desc;

    
The index of the constant pool item that contains the signature of this field.
 
     private int signature;

    
The index of the constant pool item that contains the constant value of this field.
 
     private int value;

    
The runtime visible annotations of this field. May be null.
 
     private AnnotationWriter anns;

    
The runtime invisible annotations of this field. May be null.
 
     private AnnotationWriter ianns;

    
The non standard attributes of this field. May be null.
 
     private Attribute attrs;
 
     // ------------------------------------------------------------------------
     // Constructor
     // ------------------------------------------------------------------------
 
    
Constructs a new FieldWriter.

Parameters:
cw the class writer to which this field must be added.
access the field's access flags (see Opcodes).
name the field's name.
desc the field's descriptor (see Type).
signature the field's signature. May be null.
value the field's constant value. May be null.
        final ClassWriter cw,
        final int access,
        final String name,
        final String desc,
        final String signature,
        final Object value)
    {
        super(.);
        if (cw.firstField == null) {
            cw.firstField = this;
        } else {
            cw.lastField.fv = this;
        }
        cw.lastField = this;
        this. = cw;
        this. = access;
        this. = cw.newUTF8(name);
        this. = cw.newUTF8(desc);
        if (. && signature != null) {
            this. = cw.newUTF8(signature);
        }
        if (value != null) {
            this. = cw.newConstItem(value).;
        }
    }
    // ------------------------------------------------------------------------
    // Implementation of the FieldVisitor abstract class
    // ------------------------------------------------------------------------
    @Override
        final String desc,
        final boolean visible)
    {
        if (!.) {
            return null;
        }
        ByteVector bv = new ByteVector();
        // write type, and reserve space for values count
        bv.putShort(.newUTF8(desc)).putShort(0);
        AnnotationWriter aw = new AnnotationWriter(truebvbv, 2);
        if (visible) {
            aw.next = ;
             = aw;
        } else {
            aw.next = ;
             = aw;
        }
        return aw;
    }
    @Override
    public void visitAttribute(final Attribute attr) {
        attr.next = ;
         = attr;
    }
    @Override
    public void visitEnd() {
    }
    // ------------------------------------------------------------------------
    // Utility methods
    // ------------------------------------------------------------------------

    
Returns the size of this field.

Returns:
the size of this field.
    int getSize() {
        int size = 8;
        if ( != 0) {
            .newUTF8("ConstantValue");
            size += 8;
        }
        if (( & .) != 0
                && ((. & 0xFFFF) < . || ( & .) != 0))
        {
            .newUTF8("Synthetic");
            size += 6;
        }
        if (( & .) != 0) {
            .newUTF8("Deprecated");
            size += 6;
        }
        if (. &&  != 0) {
            .newUTF8("Signature");
            size += 8;
        }
        if (. &&  != null) {
            .newUTF8("RuntimeVisibleAnnotations");
            size += 8 + .getSize();
        }
        if (. &&  != null) {
            .newUTF8("RuntimeInvisibleAnnotations");
            size += 8 + .getSize();
        }
        if ( != null) {
            size += .getSize(null, 0, -1, -1);
        }
        return size;
    }

    
Puts the content of this field into the given byte vector.

Parameters:
out where the content of this field must be put.
    void put(final ByteVector out) {
        int mask = .
                | .
        out.putShort( & ~mask).putShort().putShort();
        int attributeCount = 0;
        if ( != 0) {
            ++attributeCount;
        }
        if (( & .) != 0
                && ((. & 0xFFFF) < . || ( & .) != 0))
        {
            ++attributeCount;
        }
        if (( & .) != 0) {
            ++attributeCount;
        }
        if (. &&  != 0) {
            ++attributeCount;
        }
        if (. &&  != null) {
            ++attributeCount;
        }
        if (. &&  != null) {
            ++attributeCount;
        }
        if ( != null) {
            attributeCount += .getCount();
        }
        out.putShort(attributeCount);
        if ( != 0) {
            out.putShort(.newUTF8("ConstantValue"));
            out.putInt(2).putShort();
        }
        if (( & .) != 0
                && ((. & 0xFFFF) < . || ( & .) != 0))
        {
            out.putShort(.newUTF8("Synthetic")).putInt(0);
        }
        if (( & .) != 0) {
            out.putShort(.newUTF8("Deprecated")).putInt(0);
        }
        if (. &&  != 0) {
            out.putShort(.newUTF8("Signature"));
            out.putInt(2).putShort();
        }
        if (. &&  != null) {
            out.putShort(.newUTF8("RuntimeVisibleAnnotations"));
            .put(out);
        }
        if (. &&  != null) {
            out.putShort(.newUTF8("RuntimeInvisibleAnnotations"));
            .put(out);
        }
        if ( != null) {
            .put(null, 0, -1, -1, out);
        }
    }
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