string GetErrorHTML(string message, Token token)
{
int start = Math.Max(token.Position - 150, 0);
string code = source.Substring(start, token.Position - start);
string prefix = "", suffix = "";
int start2 = start + code.Length + token.Value.Length;
string code2 = source.Substring(start2, Math.Min(150, source.Length - start2));
if (start > 0) prefix = "...";
if (source.Length - start2 > 150) suffix = "...";
return "<style>body{font-family:verdana;font-size:8pt;}</style>"
+ "<body><h2>Couldn't understand part of the script :(</h2>"
+ "<strong style=\"color:red\">" + HttpUtility.HtmlEncode(message) + "</strong><br/>"
+ "The error occurred at position " + token.Position + " in the script, at a section that looks like this:<br/><br/>"
+ "<div style=\"padding:10px;background-color:#ffd;border:1px dotted #cca;\">"
+ "<pre style=\"margin:0\">" + prefix + HttpUtility.HtmlEncode(code)
+ "<span style=\"color:red\">" + HttpUtility.HtmlEncode(token.Value) + "</span>"
+ HttpUtility.HtmlEncode(code2) + suffix + "</pre></div></body>";
}
public InstructionExecutionException(string message, Token token)
: base(message)
{
this.token = token;
}
public static bool IsEnd(Token token)
{
return token.Value == "end";
}
public virtual void BuildExpression(List<Token> tokens, ref int index, Stack<int?> precedenceStack)
{
token = tokens[index - 1];
right = TokenParser.BuildExpression(tokens, ref index, precedenceStack);
}
public TokenParserException(string message, Token token)
: base(message)
{
this.token = token;
}