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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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37
src/api/dotnet/Fixedpoint.cs
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@ -18,14 +18,14 @@ Notes:
--*/
using System;
using System.Diagnostics.Contracts;
using System.Diagnostics;
using System.Linq;
namespace Microsoft.Z3
{
/// <summary>
/// Object for managing fixedpoints
/// </summary>
[ContractVerification(true)]
public class Fixedpoint : Z3Object
{
@ -36,7 +36,6 @@ namespace Microsoft.Z3
{
get
{
Contract.Ensures(Contract.Result<string>() != null);
return Native.Z3_fixedpoint_get_help(Context.nCtx, NativeObject);
}
}
@ -48,7 +47,7 @@ namespace Microsoft.Z3
{
set
{
Contract.Requires(value != null);
Debug.Assert(value != null);
Context.CheckContextMatch(value);
Native.Z3_fixedpoint_set_params(Context.nCtx, NativeObject, value.NativeObject);
}
@ -68,8 +67,8 @@ 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 a in constraints)
@ -91,7 +90,7 @@ namespace Microsoft.Z3
/// </summary>
public void RegisterRelation(FuncDecl f)
{
Contract.Requires(f != null);
Debug.Assert(f != null);
Context.CheckContextMatch(f);
Native.Z3_fixedpoint_register_relation(Context.nCtx, NativeObject, f.NativeObject);
@ -102,7 +101,7 @@ namespace Microsoft.Z3
/// </summary>
public void AddRule(BoolExpr rule, Symbol name = null)
{
Contract.Requires(rule != null);
Debug.Assert(rule != null);
Context.CheckContextMatch(rule);
Native.Z3_fixedpoint_add_rule(Context.nCtx, NativeObject, rule.NativeObject, AST.GetNativeObject(name));
@ -113,8 +112,8 @@ namespace Microsoft.Z3
/// </summary>
public void AddFact(FuncDecl pred, params uint[] args)
{
Contract.Requires(pred != null);
Contract.Requires(args != null);
Debug.Assert(pred != null);
Debug.Assert(args != null);
Context.CheckContextMatch(pred);
Native.Z3_fixedpoint_add_fact(Context.nCtx, NativeObject, pred.NativeObject, (uint)args.Length, args);
@ -128,7 +127,7 @@ namespace Microsoft.Z3
/// </summary>
public Status Query(BoolExpr query)
{
Contract.Requires(query != null);
Debug.Assert(query != null);
Context.CheckContextMatch(query);
Z3_lbool r = (Z3_lbool)Native.Z3_fixedpoint_query(Context.nCtx, NativeObject, query.NativeObject);
@ -148,8 +147,8 @@ namespace Microsoft.Z3
/// </summary>
public Status Query(params FuncDecl[] relations)
{
Contract.Requires(relations != null);
Contract.Requires(Contract.ForAll(0, relations.Length, i => relations[i] != null));
Debug.Assert(relations != null);
Debug.Assert(relations.All(rel => rel != null));
Context.CheckContextMatch<FuncDecl>(relations);
Z3_lbool r = (Z3_lbool)Native.Z3_fixedpoint_query_relations(Context.nCtx, NativeObject,
@ -187,7 +186,7 @@ namespace Microsoft.Z3
/// </summary>
public void UpdateRule(BoolExpr rule, Symbol name)
{
Contract.Requires(rule != null);
Debug.Assert(rule != null);
Context.CheckContextMatch(rule);
Native.Z3_fixedpoint_update_rule(Context.nCtx, NativeObject, rule.NativeObject, AST.GetNativeObject(name));
@ -208,7 +207,6 @@ namespace Microsoft.Z3
/// </summary>
public string GetReasonUnknown()
{
Contract.Ensures(Contract.Result<string>() != null);
return Native.Z3_fixedpoint_get_reason_unknown(Context.nCtx, NativeObject);
}
@ -252,7 +250,7 @@ namespace Microsoft.Z3
/// </summary>
public void SetPredicateRepresentation(FuncDecl f, Symbol[] kinds)
{
Contract.Requires(f != null);
Debug.Assert(f != null);
Native.Z3_fixedpoint_set_predicate_representation(Context.nCtx, NativeObject,
f.NativeObject, AST.ArrayLength(kinds), Symbol.ArrayToNative(kinds));
@ -276,7 +274,6 @@ namespace Microsoft.Z3
{
get
{
Contract.Ensures(Contract.Result<BoolExpr[]>() != null);
ASTVector av = new ASTVector(Context, Native.Z3_fixedpoint_get_rules(Context.nCtx, NativeObject));
return av.ToBoolExprArray();
@ -290,7 +287,6 @@ namespace Microsoft.Z3
{
get
{
Contract.Ensures(Contract.Result<BoolExpr[]>() != null);
ASTVector av = new ASTVector(Context, Native.Z3_fixedpoint_get_assertions(Context.nCtx, NativeObject));
return av.ToBoolExprArray();
@ -304,7 +300,6 @@ namespace Microsoft.Z3
{
get
{
Contract.Ensures(Contract.Result<Statistics>() != null);
return new Statistics(Context, Native.Z3_fixedpoint_get_statistics(Context.nCtx, NativeObject));
}
@ -335,12 +330,12 @@ namespace Microsoft.Z3
internal Fixedpoint(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
Debug.Assert(ctx != null);
}
internal Fixedpoint(Context ctx)
: base(ctx, Native.Z3_mk_fixedpoint(ctx.nCtx))
{
Contract.Requires(ctx != null);
Debug.Assert(ctx != null);
}
internal class DecRefQueue : IDecRefQueue