private static string Location(TokenItem current)
{
if (current == null)
{
return("");
}
return($" at line {current.Line} column {current.Column} index {current.Index}");
}
TokenItem CreateToken(string name, string value, int?index = null)
{
var token = new TokenItem()
{
Index = index ?? Index - value.Length,
Column = Column - value.Length,
Line = Line,
Value = value,
Token = new Token()
{
Name = name
}
};
return(token);
}
public PascalProgramNode(TokenItem name, BlockNode block)
{
ProgramName = name?.Value;
Block = block;
TokenItem = name;
}
public HaltException(ErrorCode error, TokenItem token, string message, Exception ex = null) : base(error, token, message, ex)
{
}
public SemanticException(ErrorCode error, TokenItem token, string message) : base(error, token, message)
{
}
public ParserException(ErrorCode error, TokenItem token, string message) : base(error, token, message)
{
}
public PascalException(ErrorCode error, TokenItem token, string message, Exception ex) : base(message + Location(token), ex)
{
Error = error;
Token = token;
}
public PascalException(ErrorCode error, TokenItem token, string message) : this(error, token, message, null)
{
}
public AssignmentNode(VariableOrFunctionCall left, TokenItem item, Node right)
{
Left = left;
Right = right;
TokenItem = item;
}
public BinaryOperator(Node left, Node right, TokenItem @operator)
{
Left = left;
Right = right;
TokenItem = @operator;
}
