module

Arborist::DSL

Instance methods

alt(strings : Array(String)) : Expr

alt(alts : Array(String | Expr)) : Expr

this is where a lot of time is spent

alt(strings : Set(String)) : Expr

alt(*alternatives : String | Expr) : Expr

apply(rule_name : String) : Expr

choice(alternatives : Array(Expr)) : Expr

choice(*alternatives) : Expr

dot

label(label : String, expr : Expr) : Expr

neg(expr : Expr) : Expr

not predicate - negative lookahead

opt(expr : Expr) : Expr

this represents the optional operator ? - 0 or 1 repetitions

plus(expr : Expr) : Expr

this represents 1+ repetitions

pos(expr : Expr) : Expr

and predicate - positive lookahead

range(chars : Range(Char, Char)) : Expr

seq(exprs : Array(Expr)) : Expr

seq(*exprs) : Expr

star(expr : Expr) : Expr

this represents the kleene star operator - 0+ repetitions

term(string : String) : Expr