/*
* Cobertura - http://cobertura.sourceforge.net/
*
* Copyright (C) 2006 Jiri Mares
*
* Cobertura is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation; either version 2 of the License,
* or (at your option) any later version.
*
* Cobertura 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cobertura; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
package net.sourceforge.cobertura.instrument;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import static org.objectweb.asm.Opcodes.*;
import org.objectweb.asm.Type;
/**
* Expects that the visitMaxs is calculated for me ....
*/
public class NewLocalVariableMethodAdapter extends MethodVisitor {
protected int firstStackVariable;
protected int addedStackWords;
public NewLocalVariableMethodAdapter(MethodVisitor mv, int access, String desc, int addedStackWords) {
super(ASM4, mv);
Type[] args = Type.getArgumentTypes(desc);
firstStackVariable = ((ACC_STATIC & access) != 0) ? 0 : 1;
for (int i = 0; i < args.length; i++) {
firstStackVariable += args[i].getSize();
}
this.addedStackWords = addedStackWords;
}
public void visitVarInsn(int opcode, int var) {
mv.visitVarInsn(opcode, (var >= firstStackVariable) ? var + addedStackWords : var);
}
public void visitIincInsn(int var, int increment) {
mv.visitIincInsn((var >= firstStackVariable) ? var + addedStackWords : var, increment);
}
public void visitLocalVariable(String name, String desc, String signature, Label start, Label end, int index) {
mv.visitLocalVariable(name, desc, signature, start, end, (index >= firstStackVariable) ? index + addedStackWords : index);
}
public int getAddedStackWords() {
return addedStackWords;
}
public int getFirstStackVariable() {
return firstStackVariable;
}
}