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SMT solver Z3 for use in JavaSMT
/**
Copyright (c) 2012-2014 Microsoft Corporation
Module Name:
Sort.java
Abstract:
Author:
@author Christoph Wintersteiger (cwinter) 2012-03-15
Notes:
**/
package com.microsoft.z3;
import com.microsoft.z3.enumerations.Z3_ast_kind;
import com.microsoft.z3.enumerations.Z3_sort_kind;
/**
* The Sort class implements type information for ASTs.
**/
public class Sort extends AST
{
/**
* Equality operator for objects of type Sort.
**/
@Override
public boolean equals(Object o)
{
if (o == this) return true;
if (!(o instanceof Sort)) return false;
Sort other = (Sort) o;
return (getContext().nCtx() == other.getContext().nCtx()) &&
(Native.isEqSort(getContext().nCtx(), getNativeObject(), other.getNativeObject()));
}
/**
* Hash code generation for Sorts
*
* @return A hash code
**/
public int hashCode()
{
return super.hashCode();
}
/**
* Returns a unique identifier for the sort.
**/
public int getId()
{
return Native.getSortId(getContext().nCtx(), getNativeObject());
}
/**
* The kind of the sort.
**/
public Z3_sort_kind getSortKind()
{
return Z3_sort_kind.fromInt(Native.getSortKind(getContext().nCtx(),
getNativeObject()));
}
/**
* The name of the sort
**/
public Symbol getName()
{
return Symbol.create(getContext(),
Native.getSortName(getContext().nCtx(), getNativeObject()));
}
/**
* A string representation of the sort.
**/
@Override
public String toString() {
return Native.sortToString(getContext().nCtx(), getNativeObject());
}
/**
* Translates (copies) the sort to the Context {@code ctx}.
*
* @param ctx A context
*
* @return A copy of the sort which is associated with {@code ctx}
* @throws Z3Exception on error
**/
public Sort translate(Context ctx)
{
return (Sort) super.translate(ctx);
}
/**
* Sort constructor
**/
Sort(Context ctx, long obj)
{
super(ctx, obj);
}
@Override
void checkNativeObject(long obj)
{
if (Native.getAstKind(getContext().nCtx(), obj) != Z3_ast_kind.Z3_SORT_AST
.toInt())
throw new Z3Exception("Underlying object is not a sort");
super.checkNativeObject(obj);
}
static Sort create(Context ctx, long obj)
{
Z3_sort_kind sk = Z3_sort_kind.fromInt(Native.getSortKind(ctx.nCtx(), obj));
switch (sk)
{
case Z3_ARRAY_SORT:
return new ArraySort<>(ctx, obj);
case Z3_BOOL_SORT:
return new BoolSort(ctx, obj);
case Z3_BV_SORT:
return new BitVecSort(ctx, obj);
case Z3_DATATYPE_SORT:
return new DatatypeSort<>(ctx, obj);
case Z3_INT_SORT:
return new IntSort(ctx, obj);
case Z3_REAL_SORT:
return new RealSort(ctx, obj);
case Z3_UNINTERPRETED_SORT:
return new UninterpretedSort(ctx, obj);
case Z3_FINITE_DOMAIN_SORT:
return new FiniteDomainSort(ctx, obj);
case Z3_RELATION_SORT:
return new RelationSort(ctx, obj);
case Z3_FLOATING_POINT_SORT:
return new FPSort(ctx, obj);
case Z3_ROUNDING_MODE_SORT:
return new FPRMSort(ctx, obj);
case Z3_SEQ_SORT:
return new SeqSort<>(ctx, obj);
case Z3_RE_SORT:
return new ReSort<>(ctx, obj);
default:
throw new Z3Exception("Unknown sort kind");
}
}
}