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/**
 * Copyright (C) 2010-2018 Gordon Fraser, Andrea Arcuri and EvoSuite
 * contributors
 *
 * This file is part of EvoSuite.
 *
 * EvoSuite is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3.0 of the License, or
 * (at your option) any later version.
 *
 * EvoSuite 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
 * Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with EvoSuite. If not, see .
 */
package org.evosuite.symbolic.vm;

import java.util.ArrayList;
import java.util.List;

import org.evosuite.symbolic.expr.bv.IntegerValue;
import org.evosuite.symbolic.expr.fp.RealValue;
import org.evosuite.symbolic.expr.ref.ReferenceExpression;

/**
 * 
 * @author galeotti
 *
 */
public final class LocalsTable {

	/**
	 * List of local variables
	 */
	private final List locals = new ArrayList();

	public LocalsTable(int maxLocals) {
		for (int i = 0; i < maxLocals; i++)
			locals.add(null);
	}

	public ReferenceExpression getRefLocal(int i) {
		Operand x = locals.get(i);
		ReferenceOperand refOp = (ReferenceOperand) x;
		return refOp.getReference();
	}

	public Operand getOperand(int i) {
		Operand x = locals.get(i);
		return x;
	}

	public void setRefLocal(int i, ReferenceExpression o) {
		locals.set(i, new ReferenceOperand(o));
	}

	public IntegerValue getBv64Local(int i) {
		Operand x = locals.get(i);
		Bv64Operand bv64 = (Bv64Operand) x;
		return bv64.getIntegerExpression();
	}

	public IntegerValue getBv32Local(int i) {
		Operand x = locals.get(i);
		Bv32Operand bv32 = (Bv32Operand) x;
		return bv32.getIntegerExpression();
	}

	public void setBv32Local(int i, IntegerValue e) {
		locals.set(i, new Bv32Operand(e));
	}

	public void setBv64Local(int i, IntegerValue e) {
		locals.set(i, new Bv64Operand(e));
	}

	public RealValue getFp32Local(int i) {
		Operand x = locals.get(i);
		Fp32Operand fp32 = (Fp32Operand) x;
		return fp32.getRealExpression();
	}

	public RealValue getFp64Local(int i) {
		Operand x = locals.get(i);
		Fp64Operand fp64 = (Fp64Operand) x;
		return fp64.getRealExpression();
	}

	public void setFp64Local(int i, RealValue r) {
		locals.set(i, new Fp64Operand(r));
	}

	public void setFp32Local(int i, RealValue r) {
		locals.set(i, new Fp32Operand(r));
	}

	public void setOperand(int i, Operand operand) {
		locals.set(i, operand);
	}
}