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/*----------------------------------------------------------

This Source Code Form is subject to the terms of the

Mozilla Public License, v.2.0. If a copy of the MPL

was not distributed with this file, You can obtain one

at http://mozilla.org/MPL/2.0/.

----------------------------------------------------------*/

using System;

using System.Collections.Generic;

using System.Text;

using OneScript.Localization;

namespace OneScript.Language

{

public class ScriptException : ApplicationException

{

private readonly ErrorPositionInfo _codePosition;

public ScriptException(string message, Exception innerException = null)

: this(new ErrorPositionInfo(), message, innerException)

{

}

protected ScriptException(ErrorPositionInfo errorInfo, string message, Exception innerException = null)

: base(message, innerException)

{

_codePosition = errorInfo ?? throw new ArgumentNullException(nameof(errorInfo));

}

public ScriptException(ErrorPositionInfo errorInfo, Exception innerException)

: base(innerException.Message, innerException)

{

_codePosition = errorInfo ?? throw new ArgumentNullException(nameof(errorInfo));

}

public ScriptException(Exception innerException)

: base(innerException.Message, innerException)

{

_codePosition = new ErrorPositionInfo();

}

public int LineNumber

{

get => _codePosition.LineNumber;

set => _codePosition.LineNumber = value;

}

public int ColumnNumber

{

get => _codePosition.ColumnNumber;

set => _codePosition.ColumnNumber = value;

}

public string Code

{

get => _codePosition.Code;

set => _codePosition.Code = value;

}

public string ModuleName

{

get => _codePosition.ModuleName;

set => _codePosition.ModuleName = value;

}

public ErrorPositionInfo GetPosition()

{

return _codePosition;

}

public string ErrorDescription => base.Message;

public string MessageWithoutCodeFragment

{

get

{

var parts = new List<string>();

if (!string.IsNullOrEmpty(ModuleName))

parts.Add($"Модуль {ModuleName}");

if (LineNumber != ErrorPositionInfo.OUT_OF_TEXT)

{

parts.Add(ColumnNumber != ErrorPositionInfo.OUT_OF_TEXT

? BilingualString.Localize($"Ошибка в строке: {LineNumber},{ColumnNumber}", $"Error in line {LineNumber},{ColumnNumber}")

: BilingualString.Localize($"Ошибка в строке: {LineNumber}", $"Error in line: {LineNumber}"));

}

parts.Add(base.Message);

var unquotedResult = string.Join(" / ", parts);

return $"{{{unquotedResult}}}";

}

}

public override string Message

{

get

{

var sb = new StringBuilder(MessageWithoutCodeFragment);

sb.AppendLine();

var codeLine = Code?.Replace('\t', ' ')?.TrimEnd() ?? String.Empty;

if (ColumnNumber > codeLine.Length)

{

ColumnNumber = codeLine.Length;

}

if (ColumnNumber != ErrorPositionInfo.OUT_OF_TEXT)

{

sb.Append(codeLine[..ColumnNumber]);

sb.Append("<<?>>");

sb.AppendLine(codeLine[ColumnNumber..]);

}

else

{

sb.AppendLine(codeLine);

}

return sb.ToString();

}

}

public object RuntimeSpecificInfo { get; set; }

public void SetPositionIfEmpty(ErrorPositionInfo newPosition)

{

if (!_codePosition.IsEmpty)

return;

_codePosition.LineNumber = newPosition.LineNumber;

_codePosition.ColumnNumber = newPosition.ColumnNumber;

_codePosition.Code = newPosition.Code;

_codePosition.ModuleName = newPosition.ModuleName;

}

}

}