Class RuleCollectorVisitor

Tools/peg_generator/pegen/parser_generator.py:32–42

Visitor that invokes a provided callmaker visitor with just the NamedItem nodes

class RuleCollectorVisitor(GrammarVisitor):
    """Visitor that invokes a provided callmaker visitor with just the NamedItem nodes"""

    def __init__(self, callmakervisitor: GrammarVisitor) -> None:
        self.callmaker = callmakervisitor

    def visit_Rule(self, rule: Rule) -> None:
        self.visit(rule.flatten())

    def visit_NamedItem(self, item: NamedItem) -> None:
        self.callmaker.visit(item)


class KeywordCollectorVisitor(GrammarVisitor):