// creates dummy generic parser for expressions with matching braces allowing commas and semicolons by default
protected internal virtual Parser <string> GenericExpressionCore(string forbidden = null) =>
from subExpressions in
GenericNewExpression.Select(x => $" {x}")
.Or(Parse.CharExcept("'/(){}[]" + forbidden).Except(GenericNewExpression).Many().Text().Token())
.Or(Parse.Char('/').Then(_ => Parse.Not(Parse.Chars('/', '*'))).Once().Return("/"))
.Or(CommentParser.AnyComment.Return(string.Empty))
.Or(StringLiteral)
.Or(GenericExpressionInBraces('(', ')').Select(x => $"({x})"))
.Or(GenericExpressionInBraces('{', '}').Select(x => $"{{{x}}}"))
.Or(GenericExpressionInBraces('[', ']').Select(x => $"[{x}]"))
.Many()
let expr = string.Join(string.Empty, subExpressions)
where !string.IsNullOrWhiteSpace(expr)
select expr;
// creates dummy generic parser for expressions with matching braces allowing commas and semicolons by default
protected internal virtual Parser <string> GenericExpressionCore(string forbidden = null, bool allowCurlyBraces = true)
{
var subExpressionParser = GenericNewExpression.Select(x => $" {x}")
.Or(Parse.CharExcept("'/(){}[]" + forbidden).Except(GenericNewExpression).Many().Text().Token())
.Or(Parse.Char('/').Then(_ => Parse.Not(Parse.Chars('/', '*'))).Once().Return("/"))
.Or(CommentParser.AnyComment.Return(string.Empty))
.Or(StringLiteral)
.Or(GenericExpressionInBraces('(', ')').Select(x => $"({x})"))
.Or(GenericExpressionInBraces('[', ']').Select(x => $"[{x}]"));
// optionally include support for curly braces
if (allowCurlyBraces)
{
subExpressionParser = subExpressionParser
.Or(GenericExpressionInBraces('{', '}').Select(x => $"{{{x}}}"));
}
return
(from subExpressions in subExpressionParser.Many()
let expr = string.Join(string.Empty, subExpressions)
where !string.IsNullOrWhiteSpace(expr)
select expr);
}
