/*
* Copyright (c) 2010, IETR/INSA of Rennes
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of the IETR/INSA of Rennes 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
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*/
package net.sf.orcc.backends.transform;
import net.sf.orcc.ir.Procedure;
import net.sf.orcc.ir.Var;
import net.sf.orcc.ir.util.AbstractIrVisitor;
/**
* This class defines an actor transformation that renames all variables inside
* a procedure by prefixing them with the name of the procedure. New variables
* MUST NOT be added to any procedure after this pass, for they won't be
* renamed.
*
* Note: it is difficult to do this transformation in the template, since
* variables would have to be renamed everywhere (in the expression printer, in
* Assign, Load, Store...)
*
* @author Matthieu Wipliez
*
*/
public class VariableRenamer extends AbstractIrVisitor<Void> {
@Override
public Void caseProcedure(Procedure procedure) {
String procName = procedure.getName();
for (Var var : procedure.getLocals()) {
var.setName(procName + "_" + var.getName());
}
return null;
}
}