Tactic.cs

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/*++
Copyright (c) 2012 Microsoft Corporation
 
Module Name:
 
    Tactic.cs
 
Abstract:
 
    Z3 Managed API: Tactics
 
Author:
 
    Christoph Wintersteiger (cwinter) 2012-03-21
 
Notes:
    
--*/
 
using System;
using System.Diagnostics;
 
namespace Microsoft.Z3
{
    public class Tactic : Z3Object
    {
        public string Help
        {
            get
            {
 
                return Native.Z3_tactic_get_help(Context.nCtx, NativeObject);
            }
        }
 
 
        public ParamDescrs ParameterDescriptions
        {
            get { return new ParamDescrs(Context, Native.Z3_tactic_get_param_descrs(Context.nCtx, NativeObject)); }
        }
 
 
        public ApplyResult Apply(Goal g, Params p = null)
        {
            Debug.Assert(g != null);
 
            Context.CheckContextMatch(g);
            if (p == null)
                return new ApplyResult(Context, Native.Z3_tactic_apply(Context.nCtx, NativeObject, g.NativeObject));
            else
            {
                Context.CheckContextMatch(p);
                return new ApplyResult(Context, Native.Z3_tactic_apply_ex(Context.nCtx, NativeObject, g.NativeObject, p.NativeObject));
            }
        }
 
        public ApplyResult this[Goal g]
        {
            get
            {
                Debug.Assert(g != null);
 
                return Apply(g);
            }
        }
 
        public Solver Solver
        {
            get
            {
 
                return Context.MkSolver(this);
            }
        }
 
        #region Internal
        internal Tactic(Context ctx, IntPtr obj)
            : base(ctx, obj)
        {
            Debug.Assert(ctx != null);
        }
        internal Tactic(Context ctx, string name)
            : base(ctx, Native.Z3_mk_tactic(ctx.nCtx, name))
        {
            Debug.Assert(ctx != null);
        }
 
        internal override void IncRef(IntPtr o)
        {
            Native.Z3_tactic_inc_ref(Context.nCtx, o);
        }
 
        internal override void DecRef(IntPtr o)
        {
            lock (Context)
            {
                if (Context.nCtx != IntPtr.Zero)
                    Native.Z3_tactic_dec_ref(Context.nCtx, o);
            }
        }
        #endregion
    }
}