Struct Parser

struct Parser {
    src: VecDeque<TokenWithPos>,
}

Fields

src: VecDeque<TokenWithPos>

Implementations

impl Parser

fn new(src: Vec<TokenWithPos>) -> Self

fn peek(&self) -> &TokenWithPos

fn get(&mut self) -> TokenWithPos

fn parse_formula(&mut self) -> Result<Ast>

expr = expr <EOF>

fn parse_expr(&mut self) -> Result<Ast>

expr = term

fn parse_term(&mut self) -> Result<Ast>

term = factor ((<+>|<-> factor)*

fn parse_factor(&mut self) -> Result<Ast>

factor = unary (<>|</>|<%> unary)

fn parse_unary(&mut self) -> Result<Ast>

unary = (<+>|<->)* primary

fn parse_primary(&mut self) -> Result<Ast>

primary = <(> expr <)> | <INTEGER>