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Unified acccess layer to SMT solvers

There is a newer version: 5.0.1

/*
 *  JavaSMT is an API wrapper for a collection of SMT solvers.
 *  This file is part of JavaSMT.
 *
 *  Copyright (C) 2007-2015  Dirk Beyer
 *  All rights reserved.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.sosy_lab.solver.princess;

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.collect.FluentIterable.from;

import ap.parser.IExpression;

import com.google.common.base.Predicates;

import org.sosy_lab.solver.basicimpl.AbstractUFManager;
import org.sosy_lab.solver.princess.PrincessFunctionDeclaration.PrincessIFunctionDeclaration;

import java.util.List;

class PrincessUFManager
    extends AbstractUFManager<
        IExpression, PrincessFunctionDeclaration, PrincessTermType, PrincessEnvironment> {

  private final PrincessFormulaCreator creator;

  PrincessUFManager(PrincessFormulaCreator creator) {
    super(creator);
    this.creator = creator;
  }

  @Override
  protected IExpression createUninterpretedFunctionCallImpl(
      PrincessFunctionDeclaration pFuncDecl, List pArgs) {
    return creator.makeFunction(pFuncDecl, pArgs);
  }

  @Override
  protected PrincessFunctionDeclaration declareUninterpretedFunctionImpl(
      String pName, PrincessTermType pReturnType, List args) {
    checkArgument(
        pReturnType == PrincessTermType.Integer || pReturnType == PrincessTermType.Boolean,
        "Princess does not support return types of UFs other than Integer");
    checkArgument(
        from(args).allMatch(Predicates.equalTo(PrincessTermType.Integer)),
        "Princess does not support argument types of UFs other than Integer");

    return new PrincessIFunctionDeclaration(
        getFormulaCreator().getEnv().declareFun(pName, args.size(), pReturnType));
  }
}