private ExpressionCombinator ParseCombinatorType(StyleSyntaxTokenizer tokenizer)
{
var type = ExpressionCombinator.None;
StyleSyntaxToken token = tokenizer.current;
while (!IsExpressionEnd(token) && type == ExpressionCombinator.None)
{
StyleSyntaxToken next = tokenizer.PeekNext();
switch (token.type)
{
case StyleSyntaxTokenType.Space:
if (!IsCombinator(next) && next.type != StyleSyntaxTokenType.CloseBracket)
{
type = ExpressionCombinator.Juxtaposition;
}
break;
case StyleSyntaxTokenType.SingleBar:
type = ExpressionCombinator.Or;
break;
case StyleSyntaxTokenType.DoubleBar:
type = ExpressionCombinator.OrOr;
break;
case StyleSyntaxTokenType.DoubleAmpersand:
type = ExpressionCombinator.AndAnd;
break;
default:
throw new Exception($"Unexpected token '{token.type}' in expression. Expected combinator token");
}
token = tokenizer.MoveNext();
}
// Remove space after the combinator if any
EatSpace(tokenizer);
return(type);
}
private ExpressionCombinator ParseCombinatorType(StyleSyntaxTokenizer tokenizer)
{
ExpressionCombinator expressionCombinator = ExpressionCombinator.None;
StyleSyntaxToken styleSyntaxToken = tokenizer.current;
while (!StyleSyntaxParser.IsExpressionEnd(styleSyntaxToken) && expressionCombinator == ExpressionCombinator.None)
{
StyleSyntaxToken styleSyntaxToken2 = tokenizer.PeekNext();
switch (styleSyntaxToken.type)
{
case StyleSyntaxTokenType.Space:
{
bool flag = !StyleSyntaxParser.IsCombinator(styleSyntaxToken2) && styleSyntaxToken2.type != StyleSyntaxTokenType.CloseBracket;
if (flag)
{
expressionCombinator = ExpressionCombinator.Juxtaposition;
}
break;
}
case StyleSyntaxTokenType.SingleBar:
expressionCombinator = ExpressionCombinator.Or;
break;
case StyleSyntaxTokenType.DoubleBar:
expressionCombinator = ExpressionCombinator.OrOr;
break;
case StyleSyntaxTokenType.DoubleAmpersand:
expressionCombinator = ExpressionCombinator.AndAnd;
break;
default:
throw new Exception(string.Format("Unexpected token '{0}' in expression. Expected combinator token", styleSyntaxToken.type));
}
styleSyntaxToken = tokenizer.MoveNext();
}
StyleSyntaxParser.EatSpace(tokenizer);
return(expressionCombinator);
}
