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2026-08-27 10:56:38 -06:00
using System;
using System.Collections.Generic;
using Roslyn.Utilities;
namespace Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax;
internal sealed class SubpatternSyntax : CSharpSyntaxNode
{
internal readonly BaseExpressionColonSyntax? expressionColon;
internal readonly PatternSyntax pattern;
public BaseExpressionColonSyntax? ExpressionColon => expressionColon;
public PatternSyntax Pattern => pattern;
internal SubpatternSyntax(SyntaxKind kind, BaseExpressionColonSyntax? expressionColon, PatternSyntax pattern, DiagnosticInfo[]? diagnostics, SyntaxAnnotation[]? annotations)
: base(kind, diagnostics, annotations)
{
((GreenNode)this).SlotCount = 2;
if (expressionColon != null)
{
((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)expressionColon);
this.expressionColon = expressionColon;
}
((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)pattern);
this.pattern = pattern;
}
internal SubpatternSyntax(SyntaxKind kind, BaseExpressionColonSyntax? expressionColon, PatternSyntax pattern, SyntaxFactoryContext context)
: base(kind)
{
SetFactoryContext(context);
((GreenNode)this).SlotCount = 2;
if (expressionColon != null)
{
((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)expressionColon);
this.expressionColon = expressionColon;
}
((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)pattern);
this.pattern = pattern;
}
internal SubpatternSyntax(SyntaxKind kind, BaseExpressionColonSyntax? expressionColon, PatternSyntax pattern)
: base(kind)
{
((GreenNode)this).SlotCount = 2;
if (expressionColon != null)
{
((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)expressionColon);
this.expressionColon = expressionColon;
}
((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)pattern);
this.pattern = pattern;
}
internal override GreenNode? GetSlot(int index)
{
return (GreenNode?)(index switch
{
0 => expressionColon,
1 => pattern,
_ => null,
});
}
internal override SyntaxNode CreateRed(SyntaxNode? parent, int position)
{
return (SyntaxNode)(object)new Microsoft.CodeAnalysis.CSharp.Syntax.SubpatternSyntax(this, parent, position);
}
public override void Accept(CSharpSyntaxVisitor visitor)
{
visitor.VisitSubpattern(this);
}
public override TResult Accept<TResult>(CSharpSyntaxVisitor<TResult> visitor)
{
return visitor.VisitSubpattern(this);
}
public SubpatternSyntax Update(BaseExpressionColonSyntax expressionColon, PatternSyntax pattern)
{
if (expressionColon != ExpressionColon || pattern != Pattern)
{
SubpatternSyntax subpatternSyntax = SyntaxFactory.Subpattern(expressionColon, pattern);
DiagnosticInfo[] diagnostics = ((GreenNode)this).GetDiagnostics();
if (diagnostics != null && diagnostics.Length != 0)
{
subpatternSyntax = GreenNodeExtensions.WithDiagnosticsGreen<SubpatternSyntax>(subpatternSyntax, diagnostics);
}
SyntaxAnnotation[] annotations = ((GreenNode)this).GetAnnotations();
if (annotations != null && annotations.Length != 0)
{
subpatternSyntax = GreenNodeExtensions.WithAnnotationsGreen<SubpatternSyntax>(subpatternSyntax, (IEnumerable<SyntaxAnnotation>)annotations);
}
return subpatternSyntax;
}
return this;
}
internal override GreenNode SetDiagnostics(DiagnosticInfo[]? diagnostics)
{
return (GreenNode)(object)new SubpatternSyntax(base.Kind, expressionColon, pattern, diagnostics, ((GreenNode)this).GetAnnotations());
}
internal override GreenNode SetAnnotations(SyntaxAnnotation[]? annotations)
{
return (GreenNode)(object)new SubpatternSyntax(base.Kind, expressionColon, pattern, ((GreenNode)this).GetDiagnostics(), annotations);
}
internal SubpatternSyntax(ObjectReader reader)
: base(reader)
{
((GreenNode)this).SlotCount = 2;
BaseExpressionColonSyntax baseExpressionColonSyntax = (BaseExpressionColonSyntax)reader.ReadValue();
if (baseExpressionColonSyntax != null)
{
((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)baseExpressionColonSyntax);
expressionColon = baseExpressionColonSyntax;
}
PatternSyntax patternSyntax = (PatternSyntax)reader.ReadValue();
((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)patternSyntax);
pattern = patternSyntax;
}
internal override void WriteTo(ObjectWriter writer)
{
((GreenNode)this).WriteTo(writer);
writer.WriteValue((IObjectWritable)(object)expressionColon);
writer.WriteValue((IObjectWritable)(object)pattern);
}
static SubpatternSyntax()
{
ObjectBinder.RegisterTypeReader(typeof(SubpatternSyntax), (Func<ObjectReader, IObjectWritable>)((ObjectReader r) => (IObjectWritable)(object)new SubpatternSyntax(r)));
}
}