Method emit_error_handling

mypyc/codegen/emitwrapper.py:966–974

Emit error handling block at the end of the wrapper, if needed.

(self)

            return ReturnHandler("NULL")

    def emit_error_handling(self) -> None:
        """Emit error handling block at the end of the wrapper, if needed."""
        emitter = self.emitter
        if self.use_goto():
            emitter.emit_label("fail")
            emitter.emit_lines(*self.cleanups)
            if self.traceback_code:
                emitter.emit_line(self.traceback_code)
            emitter.emit_line("return NULL;")

    def finish(self) -> None:
        self.emitter.emit_line("}")