using System;
using System.Collections.Generic;
using Roslyn.Utilities;

namespace Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax;

internal sealed class LineDirectiveTriviaSyntax : LineOrSpanDirectiveTriviaSyntax
{
	internal readonly SyntaxToken hashToken;

	internal readonly SyntaxToken lineKeyword;

	internal readonly SyntaxToken line;

	internal readonly SyntaxToken? file;

	internal readonly SyntaxToken endOfDirectiveToken;

	internal readonly bool isActive;

	public override SyntaxToken HashToken => hashToken;

	public override SyntaxToken LineKeyword => lineKeyword;

	public SyntaxToken Line => line;

	public override SyntaxToken? File => file;

	public override SyntaxToken EndOfDirectiveToken => endOfDirectiveToken;

	public override bool IsActive => isActive;

	internal LineDirectiveTriviaSyntax(SyntaxKind kind, SyntaxToken hashToken, SyntaxToken lineKeyword, SyntaxToken line, SyntaxToken? file, SyntaxToken endOfDirectiveToken, bool isActive, DiagnosticInfo[]? diagnostics, SyntaxAnnotation[]? annotations)
		: base(kind, diagnostics, annotations)
	{
		((GreenNode)this).SlotCount = 5;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)hashToken);
		this.hashToken = hashToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)lineKeyword);
		this.lineKeyword = lineKeyword;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)line);
		this.line = line;
		if (file != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)file);
			this.file = file;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)endOfDirectiveToken);
		this.endOfDirectiveToken = endOfDirectiveToken;
		this.isActive = isActive;
	}

	internal LineDirectiveTriviaSyntax(SyntaxKind kind, SyntaxToken hashToken, SyntaxToken lineKeyword, SyntaxToken line, SyntaxToken? file, SyntaxToken endOfDirectiveToken, bool isActive, SyntaxFactoryContext context)
		: base(kind)
	{
		SetFactoryContext(context);
		((GreenNode)this).SlotCount = 5;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)hashToken);
		this.hashToken = hashToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)lineKeyword);
		this.lineKeyword = lineKeyword;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)line);
		this.line = line;
		if (file != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)file);
			this.file = file;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)endOfDirectiveToken);
		this.endOfDirectiveToken = endOfDirectiveToken;
		this.isActive = isActive;
	}

	internal LineDirectiveTriviaSyntax(SyntaxKind kind, SyntaxToken hashToken, SyntaxToken lineKeyword, SyntaxToken line, SyntaxToken? file, SyntaxToken endOfDirectiveToken, bool isActive)
		: base(kind)
	{
		((GreenNode)this).SlotCount = 5;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)hashToken);
		this.hashToken = hashToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)lineKeyword);
		this.lineKeyword = lineKeyword;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)line);
		this.line = line;
		if (file != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)file);
			this.file = file;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)endOfDirectiveToken);
		this.endOfDirectiveToken = endOfDirectiveToken;
		this.isActive = isActive;
	}

	internal override GreenNode? GetSlot(int index)
	{
		return (GreenNode?)(index switch
		{
			0 => hashToken, 
			1 => lineKeyword, 
			2 => line, 
			3 => file, 
			4 => endOfDirectiveToken, 
			_ => null, 
		});
	}

	internal override SyntaxNode CreateRed(SyntaxNode? parent, int position)
	{
		return (SyntaxNode)(object)new Microsoft.CodeAnalysis.CSharp.Syntax.LineDirectiveTriviaSyntax(this, parent, position);
	}

	public override void Accept(CSharpSyntaxVisitor visitor)
	{
		visitor.VisitLineDirectiveTrivia(this);
	}

	public override TResult Accept<TResult>(CSharpSyntaxVisitor<TResult> visitor)
	{
		return visitor.VisitLineDirectiveTrivia(this);
	}

	public LineDirectiveTriviaSyntax Update(SyntaxToken hashToken, SyntaxToken lineKeyword, SyntaxToken line, SyntaxToken file, SyntaxToken endOfDirectiveToken, bool isActive)
	{
		if (hashToken != HashToken || lineKeyword != LineKeyword || line != Line || file != File || endOfDirectiveToken != EndOfDirectiveToken)
		{
			LineDirectiveTriviaSyntax lineDirectiveTriviaSyntax = SyntaxFactory.LineDirectiveTrivia(hashToken, lineKeyword, line, file, endOfDirectiveToken, isActive);
			DiagnosticInfo[] diagnostics = ((GreenNode)this).GetDiagnostics();
			if (diagnostics != null && diagnostics.Length != 0)
			{
				lineDirectiveTriviaSyntax = GreenNodeExtensions.WithDiagnosticsGreen<LineDirectiveTriviaSyntax>(lineDirectiveTriviaSyntax, diagnostics);
			}
			SyntaxAnnotation[] annotations = ((GreenNode)this).GetAnnotations();
			if (annotations != null && annotations.Length != 0)
			{
				lineDirectiveTriviaSyntax = GreenNodeExtensions.WithAnnotationsGreen<LineDirectiveTriviaSyntax>(lineDirectiveTriviaSyntax, (IEnumerable<SyntaxAnnotation>)annotations);
			}
			return lineDirectiveTriviaSyntax;
		}
		return this;
	}

	internal override GreenNode SetDiagnostics(DiagnosticInfo[]? diagnostics)
	{
		return (GreenNode)(object)new LineDirectiveTriviaSyntax(base.Kind, hashToken, lineKeyword, line, file, endOfDirectiveToken, isActive, diagnostics, ((GreenNode)this).GetAnnotations());
	}

	internal override GreenNode SetAnnotations(SyntaxAnnotation[]? annotations)
	{
		return (GreenNode)(object)new LineDirectiveTriviaSyntax(base.Kind, hashToken, lineKeyword, line, file, endOfDirectiveToken, isActive, ((GreenNode)this).GetDiagnostics(), annotations);
	}

	internal LineDirectiveTriviaSyntax(ObjectReader reader)
		: base(reader)
	{
		((GreenNode)this).SlotCount = 5;
		SyntaxToken syntaxToken = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken);
		hashToken = syntaxToken;
		SyntaxToken syntaxToken2 = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken2);
		lineKeyword = syntaxToken2;
		SyntaxToken syntaxToken3 = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken3);
		line = syntaxToken3;
		SyntaxToken syntaxToken4 = (SyntaxToken)reader.ReadValue();
		if (syntaxToken4 != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken4);
			file = syntaxToken4;
		}
		SyntaxToken syntaxToken5 = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken5);
		endOfDirectiveToken = syntaxToken5;
		isActive = reader.ReadBoolean();
	}

	internal override void WriteTo(ObjectWriter writer)
	{
		((GreenNode)this).WriteTo(writer);
		writer.WriteValue((IObjectWritable)(object)hashToken);
		writer.WriteValue((IObjectWritable)(object)lineKeyword);
		writer.WriteValue((IObjectWritable)(object)line);
		writer.WriteValue((IObjectWritable)(object)file);
		writer.WriteValue((IObjectWritable)(object)endOfDirectiveToken);
		writer.WriteBoolean(isActive);
	}

	static LineDirectiveTriviaSyntax()
	{
		ObjectBinder.RegisterTypeReader(typeof(LineDirectiveTriviaSyntax), (Func<ObjectReader, IObjectWritable>)((ObjectReader r) => (IObjectWritable)(object)new LineDirectiveTriviaSyntax(r)));
	}
}