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remove dependencies on contracts

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-10-20 10:24:36 -07:00
parent 12fc670839
commit 3d37060fa9
72 changed files with 734 additions and 1232 deletions
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18
src/api/dotnet/Goal.cs
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@ -18,7 +18,8 @@ Notes:
--*/
using System;
using System.Diagnostics.Contracts;
using System.Diagnostics;
using System.Linq;
namespace Microsoft.Z3
{
@ -27,7 +28,6 @@ namespace Microsoft.Z3
/// of formulas, that can be solved and/or transformed using
/// tactics and solvers.
/// </summary>
[ContractVerification(true)]
public class Goal : Z3Object
{
/// <summary>
@ -79,13 +79,13 @@ namespace Microsoft.Z3
/// </summary>
public void Assert(params BoolExpr[] constraints)
{
Contract.Requires(constraints != null);
Contract.Requires(Contract.ForAll(constraints, c => c != null));
Debug.Assert(constraints != null);
Debug.Assert(constraints.All(c => c != null));
Context.CheckContextMatch<BoolExpr>(constraints);
foreach (BoolExpr c in constraints)
{
Contract.Assert(c != null); // It was an assume, now made an assert just to be sure we do not regress
Debug.Assert(c != null); // It was an assume, now made an assert just to be sure we do not regress
Native.Z3_goal_assert(Context.nCtx, NativeObject, c.NativeObject);
}
}
@ -140,7 +140,6 @@ namespace Microsoft.Z3
{
get
{
Contract.Ensures(Contract.Result<BoolExpr[]>() != null);
uint n = Size;
BoolExpr[] res = new BoolExpr[n];
@ -181,7 +180,6 @@ namespace Microsoft.Z3
/// <returns>A model for <c>g</c></returns>
public Model ConvertModel(Model m)
{
Contract.Ensures(Contract.Result<Model>() != null);
if (m != null)
return new Model(Context, Native.Z3_goal_convert_model(Context.nCtx, NativeObject, m.NativeObject));
else
@ -194,7 +192,7 @@ namespace Microsoft.Z3
/// </summary>
public Goal Translate(Context ctx)
{
Contract.Requires(ctx != null);
Debug.Assert(ctx != null);
return new Goal(ctx, Native.Z3_goal_translate(Context.nCtx, NativeObject, ctx.nCtx));
}
@ -248,12 +246,12 @@ namespace Microsoft.Z3
}
#region Internal
internal Goal(Context ctx, IntPtr obj) : base(ctx, obj) { Contract.Requires(ctx != null); }
internal Goal(Context ctx, IntPtr obj) : base(ctx, obj) { Debug.Assert(ctx != null); }
internal Goal(Context ctx, bool models, bool unsatCores, bool proofs)
: base(ctx, Native.Z3_mk_goal(ctx.nCtx, (byte)(models ? 1 : 0), (byte)(unsatCores ? 1 : 0), (byte)(proofs ? 1 : 0)))
{
Contract.Requires(ctx != null);
Debug.Assert(ctx != null);
}
internal class DecRefQueue : IDecRefQueue