ILSpy/ICSharpCode.Decompiler/CSharp/Syntax/Expressions/RecursivePatternExpression.cs

// Copyright (c) 2023 Daniel Grunwald
// 
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// software and associated documentation files (the "Software"), to deal in the Software
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using ICSharpCode.Decompiler.CSharp.Syntax.PatternMatching;

namespace ICSharpCode.Decompiler.CSharp.Syntax
{
	public class RecursivePatternExpression : Expression
	{
		public static readonly Role<Expression> SubPatternRole = new Role<Expression>("SubPattern", Syntax.Expression.Null);

		public AstType Type {
			get { return GetChildByRole(Roles.Type); }
			set { SetChildByRole(Roles.Type, value); }
		}

		public AstNodeCollection<Expression> SubPatterns {
			get { return GetChildrenByRole(SubPatternRole); }
		}

		public VariableDesignation Designation {
			get { return GetChildByRole(Roles.VariableDesignationRole); }
			set { SetChildByRole(Roles.VariableDesignationRole, value); }
		}

		public bool IsPositional { get; set; }

		public override void AcceptVisitor(IAstVisitor visitor)
		{
			visitor.VisitRecursivePatternExpression(this);
		}

		public override T AcceptVisitor<T>(IAstVisitor<T> visitor)
		{
			return visitor.VisitRecursivePatternExpression(this);
		}

		public override S AcceptVisitor<T, S>(IAstVisitor<T, S> visitor, T data)
		{
			return visitor.VisitRecursivePatternExpression(this, data);
		}

		protected internal override bool DoMatch(AstNode other, Match match)
		{
			return other is RecursivePatternExpression o
				&& Type.DoMatch(o.Type, match)
				&& IsPositional == o.IsPositional
				&& SubPatterns.DoMatch(o.SubPatterns, match)
				&& Designation.DoMatch(o.Designation, match);
		}
	}
}