using System;
using System.Collections.Generic;
using Microsoft.CodeAnalysis.Syntax.InternalSyntax;
using Roslyn.Utilities;

namespace Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax;

internal sealed class InitializerExpressionSyntax : ExpressionSyntax
{
	internal readonly SyntaxToken openBraceToken;

	internal readonly GreenNode? expressions;

	internal readonly SyntaxToken closeBraceToken;

	public SyntaxToken OpenBraceToken => openBraceToken;

	public SeparatedSyntaxList<ExpressionSyntax> Expressions => new SeparatedSyntaxList<ExpressionSyntax>(SyntaxList<CSharpSyntaxNode>.op_Implicit(new SyntaxList<CSharpSyntaxNode>(expressions)));

	public SyntaxToken CloseBraceToken => closeBraceToken;

	internal InitializerExpressionSyntax(SyntaxKind kind, SyntaxToken openBraceToken, GreenNode? expressions, SyntaxToken closeBraceToken, DiagnosticInfo[]? diagnostics, SyntaxAnnotation[]? annotations)
		: base(kind, diagnostics, annotations)
	{
		((GreenNode)this).SlotCount = 3;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)openBraceToken);
		this.openBraceToken = openBraceToken;
		if (expressions != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(expressions);
			this.expressions = expressions;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)closeBraceToken);
		this.closeBraceToken = closeBraceToken;
	}

	internal InitializerExpressionSyntax(SyntaxKind kind, SyntaxToken openBraceToken, GreenNode? expressions, SyntaxToken closeBraceToken, SyntaxFactoryContext context)
		: base(kind)
	{
		SetFactoryContext(context);
		((GreenNode)this).SlotCount = 3;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)openBraceToken);
		this.openBraceToken = openBraceToken;
		if (expressions != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(expressions);
			this.expressions = expressions;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)closeBraceToken);
		this.closeBraceToken = closeBraceToken;
	}

	internal InitializerExpressionSyntax(SyntaxKind kind, SyntaxToken openBraceToken, GreenNode? expressions, SyntaxToken closeBraceToken)
		: base(kind)
	{
		((GreenNode)this).SlotCount = 3;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)openBraceToken);
		this.openBraceToken = openBraceToken;
		if (expressions != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(expressions);
			this.expressions = expressions;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)closeBraceToken);
		this.closeBraceToken = closeBraceToken;
	}

	internal override GreenNode? GetSlot(int index)
	{
		return (GreenNode?)(index switch
		{
			0 => openBraceToken, 
			1 => expressions, 
			2 => closeBraceToken, 
			_ => null, 
		});
	}

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

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

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

	public InitializerExpressionSyntax Update(SyntaxToken openBraceToken, SeparatedSyntaxList<ExpressionSyntax> expressions, SyntaxToken closeBraceToken)
	{
		//IL_002b: Unknown result type (might be due to invalid IL or missing references)
		//IL_000c: Unknown result type (might be due to invalid IL or missing references)
		//IL_0011: Unknown result type (might be due to invalid IL or missing references)
		if (openBraceToken == OpenBraceToken)
		{
			SeparatedSyntaxList<ExpressionSyntax> val = Expressions;
			if (!((ref expressions) != (ref val)) && closeBraceToken == CloseBraceToken)
			{
				return this;
			}
		}
		InitializerExpressionSyntax initializerExpressionSyntax = SyntaxFactory.InitializerExpression(base.Kind, openBraceToken, expressions, closeBraceToken);
		DiagnosticInfo[] diagnostics = ((GreenNode)this).GetDiagnostics();
		if (diagnostics != null && diagnostics.Length != 0)
		{
			initializerExpressionSyntax = GreenNodeExtensions.WithDiagnosticsGreen<InitializerExpressionSyntax>(initializerExpressionSyntax, diagnostics);
		}
		SyntaxAnnotation[] annotations = ((GreenNode)this).GetAnnotations();
		if (annotations != null && annotations.Length != 0)
		{
			initializerExpressionSyntax = GreenNodeExtensions.WithAnnotationsGreen<InitializerExpressionSyntax>(initializerExpressionSyntax, (IEnumerable<SyntaxAnnotation>)annotations);
		}
		return initializerExpressionSyntax;
	}

	internal override GreenNode SetDiagnostics(DiagnosticInfo[]? diagnostics)
	{
		return (GreenNode)(object)new InitializerExpressionSyntax(base.Kind, openBraceToken, expressions, closeBraceToken, diagnostics, ((GreenNode)this).GetAnnotations());
	}

	internal override GreenNode SetAnnotations(SyntaxAnnotation[]? annotations)
	{
		return (GreenNode)(object)new InitializerExpressionSyntax(base.Kind, openBraceToken, expressions, closeBraceToken, ((GreenNode)this).GetDiagnostics(), annotations);
	}

	internal InitializerExpressionSyntax(ObjectReader reader)
		: base(reader)
	{
		//IL_002e: Unknown result type (might be due to invalid IL or missing references)
		//IL_0034: Expected O, but got Unknown
		((GreenNode)this).SlotCount = 3;
		SyntaxToken syntaxToken = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken);
		openBraceToken = syntaxToken;
		GreenNode val = (GreenNode)reader.ReadValue();
		if (val != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(val);
			expressions = val;
		}
		SyntaxToken syntaxToken2 = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken2);
		closeBraceToken = syntaxToken2;
	}

	internal override void WriteTo(ObjectWriter writer)
	{
		((GreenNode)this).WriteTo(writer);
		writer.WriteValue((IObjectWritable)(object)openBraceToken);
		writer.WriteValue((IObjectWritable)(object)expressions);
		writer.WriteValue((IObjectWritable)(object)closeBraceToken);
	}

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