using System.Collections.Immutable;
using System.Diagnostics;
using Microsoft.CodeAnalysis.CSharp.Symbols;

namespace Microsoft.CodeAnalysis.CSharp;

internal sealed class BoundTryStatement : BoundStatement
{
	public BoundBlock TryBlock { get; }

	public ImmutableArray<BoundCatchBlock> CatchBlocks { get; }

	public BoundBlock? FinallyBlockOpt { get; }

	public LabelSymbol? FinallyLabelOpt { get; }

	public bool PreferFaultHandler { get; }

	public BoundTryStatement(SyntaxNode syntax, BoundBlock tryBlock, ImmutableArray<BoundCatchBlock> catchBlocks, BoundBlock? finallyBlockOpt, LabelSymbol? finallyLabelOpt = null)
		: this(syntax, tryBlock, catchBlocks, finallyBlockOpt, finallyLabelOpt, preferFaultHandler: false)
	{
	}

	public BoundTryStatement(SyntaxNode syntax, BoundBlock tryBlock, ImmutableArray<BoundCatchBlock> catchBlocks, BoundBlock? finallyBlockOpt, LabelSymbol? finallyLabelOpt, bool preferFaultHandler, bool hasErrors = false)
		: base(BoundKind.TryStatement, syntax, hasErrors || tryBlock.HasErrors() || catchBlocks.HasErrors() || finallyBlockOpt.HasErrors())
	{
		TryBlock = tryBlock;
		CatchBlocks = catchBlocks;
		FinallyBlockOpt = finallyBlockOpt;
		FinallyLabelOpt = finallyLabelOpt;
		PreferFaultHandler = preferFaultHandler;
	}

	[DebuggerStepThrough]
	public override BoundNode? Accept(BoundTreeVisitor visitor)
	{
		return visitor.VisitTryStatement(this);
	}

	public BoundTryStatement Update(BoundBlock tryBlock, ImmutableArray<BoundCatchBlock> catchBlocks, BoundBlock? finallyBlockOpt, LabelSymbol? finallyLabelOpt, bool preferFaultHandler)
	{
		if (tryBlock != TryBlock || catchBlocks != CatchBlocks || finallyBlockOpt != FinallyBlockOpt || !SymbolEqualityComparer.ConsiderEverything.Equals(finallyLabelOpt, FinallyLabelOpt) || preferFaultHandler != PreferFaultHandler)
		{
			BoundTryStatement boundTryStatement = new BoundTryStatement(Syntax, tryBlock, catchBlocks, finallyBlockOpt, finallyLabelOpt, preferFaultHandler, base.HasErrors);
			boundTryStatement.CopyAttributes(this);
			return boundTryStatement;
		}
		return this;
	}
}