public static Exception ArrayInitializeStepMissed(Tok openBracket, Tok lastToken, Tok missedVal)
{
int start = openBracket.Start;
int finish = lastToken.Finish;
if (string.IsNullOrWhiteSpace(missedVal?.Value))
{
return(new FunParseException(234,
$"'[x..y..???]. Array step expected but was nothing'{Nl} Example: a[1..5..2]", start,
finish));
}
else
{
return(new FunParseException(237,
$"'[x..y..???]. Array step expected but was {ErrorsHelper.ToText(missedVal)}'{Nl} Example: a[1..5..2]", start, finish));
}
}
public static Exception RightBinaryArgumentIsMissing(ISyntaxNode leftNode, Tok @operator)
=> throw new FunParseException(210, $"{ErrorsHelper.ToShortText(leftNode)} {ErrorsHelper.ToText(@operator)} ???. Right expression is missed{Nl} Example: {ErrorsHelper.ToShortText(leftNode)} {ErrorsHelper.ToText(@operator)} e",
leftNode.Interval.Start, @operator.Finish);
public static Exception OperatorIsUnknown(Tok token)
=> throw new FunParseException(213, $"operator '{ErrorsHelper.ToText(token)}' is unknown", token.Interval);
public static Exception LeftBinaryArgumentIsMissing(Tok token)
=> throw new FunParseException(207, $"expression is missed before '{ErrorsHelper.ToText(token)}'",
token.Interval);
public static Exception UnaryArgumentIsMissing(Tok operatorTok)
=> throw new FunParseException(201, $"{ErrorsHelper.ToText(operatorTok)} ???{Nl} right expression is missed{Nl} Example: {ErrorsHelper.ToText(operatorTok)} a",
operatorTok.Interval);
public static Exception UnknownValueAtStartOfExpression(int exprStart, Tok flowCurrent)
=> new FunParseException(315, $"Unexpected symbol {ErrorsHelper.ToText(flowCurrent)}. Equation, anonymous equation, function or type definition expected.", exprStart, flowCurrent.Finish);
public static Exception FunDefTokenIsMissed(string funName, List <TypedVarDefSyntaxNode> arguments, Tok actual)
{
return(new FunParseException(309, $"{ErrorsHelper.Signature(funName, arguments)} ??? . '=' def symbol is skipped but was {ErrorsHelper.ToText(actual)}{Nl}Example: {ErrorsHelper.Signature(funName, arguments)} = ...",
actual.Start, actual.Finish));
}
public static Exception TypeExpectedButWas(Tok token)
=> new FunParseException(276, $"Expected: type, but was {ErrorsHelper.ToText(token)}", token.Interval);