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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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GPG key ID: 4AEE18F83AFDEB23
13 changed files with 360 additions and 142 deletions
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12
src/api/dotnet/Optimize.cs
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@ -212,7 +212,7 @@ namespace Microsoft.Z3
public Handle AssertSoft(BoolExpr constraint, uint weight, string group)
{
Context.CheckContextMatch(constraint);
Symbol s = Context.MkSymbol(group);
using Symbol s = Context.MkSymbol(group);
return new Handle(this, Native.Z3_optimize_assert_soft(Context.nCtx, NativeObject, constraint.NativeObject, weight.ToString(), s.NativeObject));
}
@ -289,7 +289,7 @@ namespace Microsoft.Z3
get
{
ASTVector core = new ASTVector(Context, Native.Z3_optimize_get_unsat_core(Context.nCtx, NativeObject));
using ASTVector core = new ASTVector(Context, Native.Z3_optimize_get_unsat_core(Context.nCtx, NativeObject));
return core.ToBoolExprArray();
}
}
@ -337,7 +337,7 @@ namespace Microsoft.Z3
/// </summary>
private Expr[] GetLowerAsVector(uint index)
{
ASTVector v = new ASTVector(Context, Native.Z3_optimize_get_lower_as_vector(Context.nCtx, NativeObject, index));
using ASTVector v = new ASTVector(Context, Native.Z3_optimize_get_lower_as_vector(Context.nCtx, NativeObject, index));
return v.ToExprArray();
}
@ -347,7 +347,7 @@ namespace Microsoft.Z3
/// </summary>
private Expr[] GetUpperAsVector(uint index)
{
ASTVector v = new ASTVector(Context, Native.Z3_optimize_get_upper_as_vector(Context.nCtx, NativeObject, index));
using ASTVector v = new ASTVector(Context, Native.Z3_optimize_get_upper_as_vector(Context.nCtx, NativeObject, index));
return v.ToExprArray();
}
@ -396,7 +396,7 @@ namespace Microsoft.Z3
get
{
ASTVector assertions = new ASTVector(Context, Native.Z3_optimize_get_assertions(Context.nCtx, NativeObject));
using ASTVector assertions = new ASTVector(Context, Native.Z3_optimize_get_assertions(Context.nCtx, NativeObject));
return assertions.ToBoolExprArray();
}
}
@ -409,7 +409,7 @@ namespace Microsoft.Z3
get
{
ASTVector objectives = new ASTVector(Context, Native.Z3_optimize_get_objectives(Context.nCtx, NativeObject));
using ASTVector objectives = new ASTVector(Context, Native.Z3_optimize_get_objectives(Context.nCtx, NativeObject));
return objectives.ToExprArray();
}
}