private Token GetCurrentToken()
{
if (currentToken == null)
{
while (scanner.InternalMoveNext())
{
currentToken = scanner.Current;
var commentToken = currentToken as Comment;
if (commentToken != null)
{
pendingEvents.Enqueue(new Events.Comment(commentToken.Value, commentToken.IsInline, commentToken.Start, commentToken.End));
}
else
{
break;
}
}
}
return currentToken;
}
private void Skip()
{
if (currentToken != null)
{
currentToken = null;
scanner.ConsumeCurrent();
}
}
private void TokenInfoParsed(Token token, TokenType type, ColorIndex color)
{
TokenInfo info = new TokenInfo(token.Start.Index, token.End.Index - 1, type);
info.Color = (TokenColor)color;
scannedTokens.Enqueue(info);
}
internal bool InternalMoveNext()
{
if (!tokenAvailable && !streamEndProduced)
{
FetchMoreTokens();
}
if (tokens.Count > 0)
{
current = tokens.Dequeue();
tokenAvailable = false;
return true;
}
else
{
current = null;
return false;
}
}
/// <summary>
/// Consumes the current token and increments the parsed token count
/// </summary>
internal void ConsumeCurrent()
{
++tokensParsed;
tokenAvailable = false;
current = null;
}
/// <summary>
/// Consumes the current token and increments the parsed token count
/// </summary>
internal void ConsumeCurrent()
{
++tokensParsed;
tokenAvailable = false;
previous = Current;
Current = null;
}
private void AssertToken(Token expected, Token actual, int tokenNumber)
{
Dump.WriteLine(expected.GetType().Name);
actual.Should().NotBeNull();
actual.GetType().Should().Be(expected.GetType(), "Token {0} is not of the expected type", tokenNumber);
foreach (var property in expected.GetType().GetProperties())
{
if (property.PropertyType != typeof(Mark) && property.CanRead)
{
var value = property.GetValue(actual, null);
var expectedValue = property.GetValue(expected, null);
Dump.WriteLine("\t{0} = {1}", property.Name, value);
value.Should().Be(expectedValue, "Comparing property {0} in token {1}", property.Name, tokenNumber);
}
}
}
private void AssertNext(Scanner scanner, Token expected)
{
AssertHasNext(scanner);
AssertCurrent(scanner, expected);
}
private void AssertCurrent(Scanner scanner, Token expected)
{
Dump.WriteLine(expected.GetType().Name);
Assert.NotNull(scanner.Current);
Assert.True(expected.GetType().IsAssignableFrom(scanner.Current.GetType()));
foreach (var property in expected.GetType().GetProperties()) {
if (property.PropertyType != typeof(Mark) && property.CanRead) {
var value = property.GetValue(scanner.Current, null);
Dump.WriteLine("\t{0} = {1}", property.Name, value);
Assert.Equal(property.GetValue(expected, null), value);
}
}
}
private Token GetCurrentToken()
{
if (currentToken == null)
{
if (scanner.InternalMoveNext())
{
currentToken = scanner.Current;
}
}
return currentToken;
}
private void AssertCurrent(Scanner scanner, Token expected)
{
Console.WriteLine(expected.GetType().Name);
Assert.IsNotNull(scanner.Current, "The current token is null.");
Assert.IsTrue(expected.GetType().IsAssignableFrom(scanner.Current.GetType()), "The token is not of the expected type.");
foreach (var property in expected.GetType().GetProperties()) {
if(property.PropertyType != typeof(Mark) && property.CanRead) {
object value = property.GetValue(scanner.Current, null);
Console.WriteLine("\t{0} = {1}", property.Name, value);
Assert.AreEqual(property.GetValue(expected, null), value, string.Format("The property '{0}' is incorrect.", property.Name));
}
}
}
