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authorMatthias Sohn <matthias.sohn@sap.com>2024-09-03 19:42:07 +0200
committerMatthias Sohn <matthias.sohn@sap.com>2024-09-03 19:42:07 +0200
commit608a6432d08a31657aea48eae06d45a1e5dd4db3 (patch)
treeae63c63b28e05241446a2ee75d1505c42172df15 /.settings
parent45689b4a2c39b820143140aa7185f23f445067ea (diff)
downloadjgit-7.0.0.202409031743-r.tar.gz
jgit-7.0.0.202409031743-r.zip
JGit v7.0.0.202409031743-rv7.0.0.202409031743-r
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com> Change-Id: I86507936091e6f7af7588835722672ff2668a205
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0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-03 12:41:11 +0000
Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
/*
 * Javassist, a Java-bytecode translator toolkit.
 * Copyright (C) 1999- Shigeru Chiba. All Rights Reserved.
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License.  Alternatively, the contents of this file may be used under
 * the terms of the GNU Lesser General Public License Version 2.1 or later,
 * or the Apache License Version 2.0.
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 */

package javassist.convert;

import javassist.CannotCompileException;
import javassist.CtClass;
import javassist.bytecode.CodeAttribute;
import javassist.bytecode.CodeIterator;
import javassist.bytecode.ConstPool;

final public class TransformNewClass extends Transformer {
    private int nested;
    private String classname, newClassName;
    private int newClassIndex, newMethodNTIndex, newMethodIndex;

    public TransformNewClass(Transformer next,
                             String classname, String newClassName) {
        super(next);
        this.classname = classname;
        this.newClassName = newClassName;
    }

    @Override
    public void initialize(ConstPool cp, CodeAttribute attr) {
        nested = 0;
        newClassIndex = newMethodNTIndex = newMethodIndex = 0;
    }

    /**
     * Modifies a sequence of
     *    NEW classname
     *    DUP
     *    ...
     *    INVOKESPECIAL classname:method
     */
    @Override
    public int transform(CtClass clazz, int pos, CodeIterator iterator,
                         ConstPool cp) throws CannotCompileException
    {
        int index;
        int c = iterator.byteAt(pos);
        if (c == NEW) {
            index = iterator.u16bitAt(pos + 1);
            if (cp.getClassInfo(index).equals(classname)) {
                if (iterator.byteAt(pos + 3) != DUP)
                    throw new CannotCompileException(
                                "NEW followed by no DUP was found");

                if (newClassIndex == 0)
                    newClassIndex = cp.addClassInfo(newClassName);

                iterator.write16bit(newClassIndex, pos + 1);
                ++nested;
            }
        }
        else if (c == INVOKESPECIAL) {
            index = iterator.u16bitAt(pos + 1);
            int typedesc = cp.isConstructor(classname, index);
            if (typedesc != 0 && nested > 0) {
                int nt = cp.getMethodrefNameAndType(index);
                if (newMethodNTIndex != nt) {
                    newMethodNTIndex = nt;
                    newMethodIndex = cp.addMethodrefInfo(newClassIndex, nt);
                }

                iterator.write16bit(newMethodIndex, pos + 1);
                --nested;
            }
        }

        return pos;
    }
}