org.sosy_lab.solver.smtinterpol.SmtInterpolUtil Maven / Gradle / Ivy

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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.smtinterpol;

import de.uni_freiburg.informatik.ultimate.logic.ApplicationTerm;
import de.uni_freiburg.informatik.ultimate.logic.Term;

/** Collection of utilities for working with SmtInterpol */
class SmtInterpolUtil {
  private SmtInterpolUtil() {}

  /** this function can be used to print a bigger term*/
  public static String prettyPrint(Term t) {
    StringBuilder str = new StringBuilder();
    prettyPrint(t, str, 0);
    return str.toString();
  }

  private static void prettyPrint(Term t, StringBuilder str, int n) {
    for (int i = 0; i < n; i++) {
      str.append("  ");
    }
    if (t instanceof ApplicationTerm) {
      ApplicationTerm at = (ApplicationTerm) t;
      String function = at.getFunction().getName();
      if ("and".equals(function) || "or".equals(function)) {
        str.append("(").append(function).append("\n");
        for (Term child : at.getParameters()) {
          prettyPrint(child, str, n + 1);
        }
        for (int i = 0; i < n; i++) {
          str.append("  ");
        }
        str.append(")\n");
      } else {
        str.append(t.toStringDirect()).append("\n");
      }
    } else {
      str.append(t.toStringDirect()).append("\n");
    }
  }
}