selectionStatement method

Implementation

Parser selectionStatement() =>
    ref0(ifToken) &
        ref1(token, '(') &
        ref0(expression) &
        ref1(token, ')') &
        ref0(statement) &
        (ref0(elseToken) & ref0(statement)).optional() |
    ref0(switchToken) &
        ref1(token, '(') &
        ref0(expression) &
        ref1(token, ')') &
        ref1(token, '{') &
        ref0(switchCase).star() &
        ref0(defaultCase).optional() &
        ref1(token, '}');