Method dedupe

Tools/peg_generator/pegen/parser_generator.py:208–215

(self, name: str)

        return name

    def dedupe(self, name: str) -> str:
        origname = name
        counter = 0
        while name in self.local_variable_names:
            counter += 1
            name = f"{origname}_{counter}"
        self.local_variable_names.append(name)
        return name


class NullableVisitor(GrammarVisitor):