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Dispose of intermediate Z3Objects created in dotnet api. (#5901)

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* Dispose of intermediate Z3Objects created in dotnet api.

* Set C# LangVersion to 8.0.

* Fix build errors.

* Fix warning about empty using statement.

* Fix Xor to only dispose of objects that it creates internally.
This commit is contained in:
Matt Thornton 2022-03-17 15:08:05 +00:00 • committed by GitHub
parent bdf7de1703
commit 4e0a2f5968
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13 changed files with 360 additions and 142 deletions
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7
src/api/dotnet/Model.cs
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@ -87,7 +87,8 @@ namespace Microsoft.Z3
if (Native.Z3_is_as_array(Context.nCtx, n) == 0)
throw new Z3Exception("Argument was not an array constant");
IntPtr fd = Native.Z3_get_as_array_func_decl(Context.nCtx, n);
return FuncInterp(new FuncDecl(Context, fd));
using var decl = new FuncDecl(Context, fd);
return FuncInterp(decl);
}
}
else
@ -241,7 +242,7 @@ namespace Microsoft.Z3
/// Evaluate expression to a double, assuming it is a numeral already.
/// </summary>
public double Double(Expr t) {
var r = Eval(t, true);
using var r = Eval(t, true);
return Native.Z3_get_numeral_double(Context.nCtx, r.NativeObject);
}
@ -283,7 +284,7 @@ namespace Microsoft.Z3
{
Debug.Assert(s != null);
ASTVector av = new ASTVector(Context, Native.Z3_model_get_sort_universe(Context.nCtx, NativeObject, s.NativeObject));
using ASTVector av = new ASTVector(Context, Native.Z3_model_get_sort_universe(Context.nCtx, NativeObject, s.NativeObject));
return av.ToExprArray();
}