syntax_data: {"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"print_indented!(self,"}]}
source_snippet:                 print_indented!(self, format!("late: {:?}", late), depth_lvl + 1);
context_before:                 print_indented!(self, format!("reg: {:?}", reg), depth_lvl + 1);
context_after:                 print_indented!(self, "expr: ", depth_lvl + 1);