public IEnumerable <Token> LexFile(SourceCode sourceCode)
{
this.sourceCode = sourceCode;
builder.Clear();
line = 1;
index = 0;
column = 0;
CreateToken(TokenKind.EndOfFile);
return(LexContents());
}
static void Main(string[] args)
{
LexerAnaliser lexer = new LexerAnaliser();
SyntaxAnaliser parser = new SyntaxAnaliser(lexer.ErrorSink);
while (true)
{
Console.Write("InsuranceLanguage> ");
var program = Console.ReadLine();
var sourceCode = new SourceCode(program);
var tokens = lexer.LexFile(sourceCode).ToArray();
foreach (var token in tokens)
{
Console.WriteLine($"{token.TokenKind} ( \"{token.Value}\" ) ");
}
if (lexer.ErrorSink.Count() > 0)
{
foreach (var error in lexer.ErrorSink)
{
Console.WriteLine(new string('-', Console.WindowWidth / 3));
WriteError(error);
}
lexer.ErrorSink.Clear();
}
else
{
//var ast = parser.ParseFile(sourceCode, tokens, SyntaxAnalizer.OptionalSemicolons);
if (lexer.ErrorSink.Count() > 0)
{
foreach (var error in lexer.ErrorSink)
{
Console.WriteLine(new string('-', Console.WindowWidth / 3));
WriteError(error);
}
lexer.ErrorSink.Clear();
}
}
Console.WriteLine(new string('-', Console.WindowWidth / 2));
}
}
public void AddError(string mes, SourceCode sourceCode, Severity severity, SourceSpan sourceSpan)
{
errors.Add(new ErrorEntry(mes, sourceCode.GetLines(sourceSpan.Start.Line, sourceSpan.End.Line), severity, sourceSpan));
}
public LexerAnaliser(ErrorSink errorSink)
{
this.errorSink = errorSink;
builder = new StringBuilder();
sourceCode = null;
}