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/******************************************************************************
* Top contributors (to current version):
* Mudathir Mohamed
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
* in the top-level source directory and their institutional affiliations.
* All rights reserved. See the file COPYING in the top-level source
* directory for licensing information.
* ****************************************************************************
*
* The cvc5 java API.
*/
package cvc5;
import java.io.IOException;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.List;
public class Utils
{
static
{
loadLibraries();
}
/**
* load cvc5 jni library
*/
public static void loadLibraries()
{
System.loadLibrary("cvc5jni");
}
/**
* return sorts array from array of pointers
*/
public static Sort[] getSorts(Solver solver, long[] pointers)
{
Sort[] sorts = new Sort[pointers.length];
for (int i = 0; i < pointers.length; i++)
{
sorts[i] = new Sort(solver, pointers[i]);
}
return sorts;
}
/**
* return terms array from array of pointers
*/
public static Term[] getTerms(Solver solver, long[] pointers)
{
Term[] terms = new Term[pointers.length];
for (int i = 0; i < pointers.length; i++)
{
terms[i] = new Term(solver, pointers[i]);
}
return terms;
}
/**
* get pointers from one dimensional array
*/
public static long[] getPointers(IPointer[] objects)
{
long[] pointers = new long[objects.length];
for (int i = 0; i < pointers.length; i++)
{
pointers[i] = objects[i].getPointer();
}
return pointers;
}
/**
* get pointers from two dimensional matrix
*/
public static long[][] getPointers(IPointer[][] objects)
{
long[][] pointers = new long[objects.length][];
for (int i = 0; i < pointers.length; i++)
{
pointers[i] = new long[objects[i].length];
for (int j = 0; j < objects[i].length; j++)
{
pointers[i][j] = objects[i][j].getPointer();
}
}
return pointers;
}
public static void validateUnsigned(int integer, String name) throws CVC5ApiException
{
if (integer < 0)
{
throw new CVC5ApiException("Expected " + name + " '" + integer + "' to be non negative.");
}
}
public static void validateUnsigned(long integer, String name) throws CVC5ApiException
{
if (integer < 0)
{
throw new CVC5ApiException("Expected " + name + " '" + integer + "' to be non negative.");
}
}
public static void validateUnsigned(int[] integers, String name) throws CVC5ApiException
{
for (int i = 0; i < integers.length; i++)
{
if (integers[i] < 0)
{
throw new CVC5ApiException(
"Expected " + name + "[" + i + "] '" + integers[i] + "' to be non negative.");
}
}
}
public static void validateUnsigned(long[] integers, String name) throws CVC5ApiException
{
for (int i = 0; i < integers.length; i++)
{
if (integers[i] < 0)
{
throw new CVC5ApiException(
"Expected " + name + "[" + i + "] '" + integers[i] + "' to be non negative.");
}
}
}
public static <K> Pair<K, Long>[] getPairs(Pair<K, ? extends AbstractPointer>[] abstractPointers)
{
Pair<K, Long>[] pointers = new Pair[abstractPointers.length];
for (int i = 0; i < pointers.length; i++)
{
pointers[i] = new Pair<>(abstractPointers[i].first, abstractPointers[i].second.getPointer());
}
return pointers;
}
/**
Convert a rational string a/b to a pair of BigIntegers
*/
public static Pair<BigInteger, BigInteger> getRational(String rational)
{
if (rational.contains("/"))
{
String[] pair = rational.split("/");
return new Pair<>(new BigInteger(pair[0]), new BigInteger(pair[1]));
}
return new Pair<>(new BigInteger(rational), new BigInteger("1"));
}
/**
Convert a pair of BigIntegers to a rational string a/b
*/
public static String getRational(Pair<BigInteger, BigInteger> pair)
{
return pair.first.toString() + "/" + pair.second.toString();
}
/**
* Get the string version of define-fun command.
* @param f the function to print
* @param params the function parameters
* @param body the function body
* @return a string version of define-fun
*/
private static String defineFunToString(Term f, Term[] params, Term body)
{
Sort sort = f.getSort();
if (sort.isFunction())
{
sort = sort.getFunctionCodomainSort();
}
StringBuilder ss = new StringBuilder();
ss.append("(define-fun ").append(f).append(" (");
for (int i = 0; i < params.length; ++i)
{
if (i > 0)
{
ss.append(' ');
}
ss.append('(').append(params[i]).append(' ').append(params[i].getSort()).append(')');
}
ss.append(") ").append(sort).append(' ').append(body).append(')');
return ss.toString();
}
/**
* Print solutions for synthesis conjecture to the standard output stream.
* @param terms the terms for which the synthesis solutions were retrieved
* @param sols the synthesis solutions of the given terms
*/
public static void printSynthSolutions(Term[] terms, Term[] sols) throws CVC5ApiException
{
System.out.println('(');
for (int i = 0; i < terms.length; ++i)
{
List<Term> params = new ArrayList<>();
Term body = null;
if (sols[i].getKind() == Kind.LAMBDA)
{
for (Term t : sols[i].getChild(0))
{
params.add(t);
}
body = sols[i].getChild(1);
}
if (body != null)
{
System.out.println(" " + defineFunToString(terms[i], params.toArray(new Term[0]), body));
}
}
System.out.println(')');
}
}
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