private static ILexerRule CreateWhitespaceLexerRule()
{
var whitespaceTerminal = new WhitespaceTerminal();
var startWhitespace = new DfaState();
var finalWhitespace = new DfaState(true);
startWhitespace.AddEdge(new DfaEdge(whitespaceTerminal, finalWhitespace));
finalWhitespace.AddEdge(new DfaEdge(whitespaceTerminal, finalWhitespace));
var whitespace = new DfaLexerRule(startWhitespace, new TokenType("whitespace"));
return whitespace;
}
private static BaseLexerRule CreateWhitespaceLexerRule()
{
var whitespaceTerminal = new WhitespaceTerminal();
var startWhitespace = new DfaState();
var finalWhitespace = new DfaState(true);
startWhitespace.AddTransition(new DfaTransition(whitespaceTerminal, finalWhitespace));
finalWhitespace.AddTransition(new DfaTransition(whitespaceTerminal, finalWhitespace));
var whitespace = new DfaLexerRule(startWhitespace, "whitespace");
return whitespace;
}
public void WhitespaceTerminalShouldMatchTabCharacter()
{
var whitespaceTerminal = new WhitespaceTerminal();
Assert.IsTrue(whitespaceTerminal.IsMatch('\t'));
}
public void WhitespaceTerminalShouldMatchLineFeed()
{
var whitespaceTerminal = new WhitespaceTerminal();
Assert.IsTrue(whitespaceTerminal.IsMatch('\n'));
}
public void Test_WhitespaceTerminal_That_Tab_Character_IsMatch_Returns_True()
{
var whitespaceTerminal = new WhitespaceTerminal();
Assert.IsTrue(whitespaceTerminal.IsMatch('\t'));
}
private static BaseLexerRule CreateWhitespaceLexerRule()
{
var whitespaceTerminal = new WhitespaceTerminal();
var startState = new DfaState();
var finalState = new DfaState(true);
var whitespaceTransition = new DfaTransition(whitespaceTerminal, finalState);
startState.AddTransition(whitespaceTransition);
finalState.AddTransition(whitespaceTransition);
return new DfaLexerRule(startState, new TokenType("[\\s]+"));
}
public ITerminalBuilder WhiteSpace()
{
var whitespaceTerminal = new WhitespaceTerminal();
_terminals.Add(whitespaceTerminal);
return this;
}
