private static MParser GetSut(string text)
{
var window = new TextWindowWithNull(text);
var parser = new MParser(window);
return(parser);
}
private static SyntaxTree GetTree(string fileName)
{
var text = File.ReadAllText(fileName);
var window = new TextWindowWithNull(text, fileName);
var parser = CreateParser(window);
var tree = parser.Parse();
return(tree);
}
public void TestFile(string fileName)
{
var text = File.ReadAllText(fileName);
var window = new TextWindowWithNull(text, fileName);
var parser = CreateParser(window);
var tree = parser.Parse();
var actualText = tree.Root.FullText;
var actualWidth = tree.Root.FullWidth;
Assert.Equal(text, actualText);
Assert.Equal(text.Length, actualWidth);
}
public void ReturnCharsInCorrectOrder()
{
var text = "abc";
var sut = new TextWindowWithNull(text);
Assert.Equal('a', sut.PeekChar());
sut.ConsumeChar();
Assert.Equal('b', sut.PeekChar());
sut.ConsumeChar();
Assert.Equal('c', sut.PeekChar());
sut.ConsumeChar();
Assert.Equal('\0', sut.PeekChar());
}
private static void ParserDemo()
{
Console.WriteLine("Hello World!");
var text = @"x = 'abc";
var window = new TextWindowWithNull(text, "noname");
var parser = CreateParser(window);
var tree = parser.Parse();
TreeRenderer.RenderTree(tree);
if (tree.Diagnostics.Any())
{
foreach (var diagnostic in tree.Diagnostics)
{
Console.WriteLine($"ERROR: {diagnostic.Message} at position {diagnostic.Span.Start}");
}
}
Console.ReadKey();
}
public void ReturnNullGivenEmptyText()
{
var sut = new TextWindowWithNull("");
Assert.True(sut.PeekChar() == '\0');
}
