43 lines
1.4 KiB
C#
43 lines
1.4 KiB
C#
using System.Diagnostics;
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using Microsoft.CodeAnalysis.CSharp.Symbols;
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namespace Microsoft.CodeAnalysis.CSharp;
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internal sealed class BoundDefaultExpression : BoundExpression
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{
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public new TypeSymbol Type => base.Type;
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public BoundTypeExpression? TargetType { get; }
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public override ConstantValue? ConstantValueOpt { get; }
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public BoundDefaultExpression(SyntaxNode syntax, TypeSymbol type, bool hasErrors = false)
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: this(syntax, null, type.GetDefaultValue(), type, hasErrors)
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{
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}
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public BoundDefaultExpression(SyntaxNode syntax, BoundTypeExpression? targetType, ConstantValue? constantValueOpt, TypeSymbol type, bool hasErrors = false)
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: base(BoundKind.DefaultExpression, syntax, type, hasErrors || targetType.HasErrors())
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{
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TargetType = targetType;
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ConstantValueOpt = constantValueOpt;
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}
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[DebuggerStepThrough]
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public override BoundNode? Accept(BoundTreeVisitor visitor)
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{
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return visitor.VisitDefaultExpression(this);
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}
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public BoundDefaultExpression Update(BoundTypeExpression? targetType, ConstantValue? constantValueOpt, TypeSymbol type)
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{
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if (targetType != TargetType || constantValueOpt != ConstantValueOpt || !TypeSymbol.Equals(type, Type, (TypeCompareKind)0))
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{
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BoundDefaultExpression boundDefaultExpression = new BoundDefaultExpression(Syntax, targetType, constantValueOpt, type, base.HasErrors);
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boundDefaultExpression.CopyAttributes(this);
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return boundDefaultExpression;
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}
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return this;
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}
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}
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