Sort.java

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package com.microsoft.z3;
 
import com.microsoft.z3.enumerations.Z3_ast_kind;
import com.microsoft.z3.enumerations.Z3_sort_kind;
 
public class Sort extends AST
{
    @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()));
    }
 
    public int hashCode()
    {
        return super.hashCode();
    }
 
    public int getId()
    {
        return Native.getSortId(getContext().nCtx(), getNativeObject());
    }
 
    public Z3_sort_kind getSortKind()
    {
        return Z3_sort_kind.fromInt(Native.getSortKind(getContext().nCtx(),
                getNativeObject()));
    }
 
    public Symbol getName()
    {
        return Symbol.create(getContext(),
                Native.getSortName(getContext().nCtx(), getNativeObject()));
    }
 
    @Override
    public String toString() {
        return Native.sortToString(getContext().nCtx(), getNativeObject());
    }
 
    public Sort translate(Context ctx)
    {
        return (Sort) super.translate(ctx);
    }
 
    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:
            int n = Native.getDatatypeSortNumConstructors(ctx.nCtx(), obj);
            boolean isEnum = true;
            for (int i = 0; i < n && isEnum; i++) {
                long ctor = Native.getDatatypeSortConstructor(ctx.nCtx(), obj, i);
                if (Native.getDomainSize(ctx.nCtx(), ctor) != 0) {
                    isEnum = false;
                }
            }
            if (isEnum) {
                return new EnumSort<>(ctx, obj);
            }
            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);
        case Z3_CHAR_SORT:
            return new CharSort(ctx, obj);
        default:
            throw new Z3Exception("Unknown sort kind");
        }
    }
}