Example #1
0
        public void Calculates_LineAndCharacter_Correctly(int position, int expectedLine, int expectedCharacter)
        {
            var input = "One\nTwo\r\nThree";

            var sourceText = new SourceText(input);

            var lineAndCharacter = sourceText.GetLineAndCharacterPosition(position);

            Assert.That(lineAndCharacter.Line, Is.EqualTo(expectedLine));
            Assert.That(lineAndCharacter.Character, Is.EqualTo(expectedCharacter));
        }
Example #2
0
        private static void PrintErrors(SourceText text, IEnumerable <Diagnostic> diagnostics)
        {
            foreach (var diagnostic in diagnostics)
            {
                var startPosition = text.GetLineAndCharacterPosition(diagnostic.Span.Start);
                var line          = text.Lines[startPosition.Line];

                var linePrefix  = text.Substring(line.Start, startPosition.Character);
                var lineProblem = text.Substring(diagnostic.Span.Start, diagnostic.Span.Length);
                var lineSuffix  = text.Substring(diagnostic.Span.End, line.Length - diagnostic.Span.End);

                Console.WriteLine();
                WriteLineToConsole(ConsoleColor.Red, $"Line: {startPosition.Line + 1} Char: {startPosition.Character + 1} {diagnostic.Message}");
                Console.Write("    ");
                Console.Write(linePrefix);
                WriteToConsole(ConsoleColor.DarkRed, lineProblem);
                Console.WriteLine(lineSuffix);
            }

            Console.WriteLine();
        }