public Expression(ExpressionType type)
{
this.type = type;
this.combinator = ExpressionCombinator.None;
this.multiplier = new ExpressionMultiplier(ExpressionMultiplierType.None);
this.subExpressions = null;
this.keyword = null;
}
private void ParseMultiplier(StyleSyntaxTokenizer tokenizer, ref ExpressionMultiplier multiplier)
{
StyleSyntaxToken token = tokenizer.current;
if (IsMultiplier(token))
{
switch (token.type)
{
case StyleSyntaxTokenType.Asterisk:
multiplier.type = ExpressionMultiplierType.ZeroOrMore;
break;
case StyleSyntaxTokenType.Plus:
multiplier.type = ExpressionMultiplierType.OneOrMore;
break;
case StyleSyntaxTokenType.QuestionMark:
multiplier.type = ExpressionMultiplierType.ZeroOrOne;
break;
case StyleSyntaxTokenType.HashMark:
multiplier.type = ExpressionMultiplierType.OneOrMoreComma;
break;
case StyleSyntaxTokenType.ExclamationPoint:
multiplier.type = ExpressionMultiplierType.GroupAtLeastOne;
break;
case StyleSyntaxTokenType.OpenBrace:
multiplier.type = ExpressionMultiplierType.Ranges;
break;
default:
throw new Exception($"Unexpected token '{token.type}' in expression. Expected multiplier token");
}
token = tokenizer.MoveNext();
}
if (multiplier.type == ExpressionMultiplierType.Ranges)
{
ParseRanges(tokenizer, out multiplier.min, out multiplier.max);
}
}
private void ParseMultiplier(StyleSyntaxTokenizer tokenizer, ref ExpressionMultiplier multiplier)
{
StyleSyntaxToken styleSyntaxToken = tokenizer.current;
bool flag = StyleSyntaxParser.IsMultiplier(styleSyntaxToken);
if (flag)
{
switch (styleSyntaxToken.type)
{
case StyleSyntaxTokenType.Asterisk:
multiplier.type = ExpressionMultiplierType.ZeroOrMore;
goto IL_A1;
case StyleSyntaxTokenType.Plus:
multiplier.type = ExpressionMultiplierType.OneOrMore;
goto IL_A1;
case StyleSyntaxTokenType.QuestionMark:
multiplier.type = ExpressionMultiplierType.ZeroOrOne;
goto IL_A1;
case StyleSyntaxTokenType.HashMark:
multiplier.type = ExpressionMultiplierType.OneOrMoreComma;
goto IL_A1;
case StyleSyntaxTokenType.ExclamationPoint:
multiplier.type = ExpressionMultiplierType.GroupAtLeastOne;
goto IL_A1;
case StyleSyntaxTokenType.OpenBrace:
multiplier.type = ExpressionMultiplierType.Ranges;
goto IL_A1;
}
throw new Exception(string.Format("Unexpected token '{0}' in expression. Expected multiplier token", styleSyntaxToken.type));
IL_A1:
styleSyntaxToken = tokenizer.MoveNext();
}
bool flag2 = multiplier.type == ExpressionMultiplierType.Ranges;
if (flag2)
{
this.ParseRanges(tokenizer, out multiplier.min, out multiplier.max);
}
}