rbrace
rbrace:
'}' | rbrace NL
| lbrace stmtlist rbrace { $$ = $2; }
%type <i> pst opt_pst lbrace rbrace rparen comma nl opt_nl and bor
case rbrace: /* got a '}' */
parse(rbrace); /* let parser know about this */
ps.last_token == lbrace || ps.last_token == rbrace)) {
code = rbrace;
case rbrace: /* scanned a } */