fn parse_expression(&self, expr: &str) -> ParseToken {
        let mut depth = 0;
        let mut sub_expr = Vec::new();
        sub_expr.push(String::new());
        for c in expr.chars() {
            match c {
                ' ' if depth == 1 => sub_expr.push(String::new()),
                ',' if depth == 1 => {}
                ')' => {
                    depth -= 1;
                    if depth <= 0 {
                        continue;
                    }
                    if let Some(s) = sub_expr.last_mut() {
                        s.push(c);
                    } else {
                        radeco_err!("parse error");
                    };
                }
                '(' => {
                    depth += 1;
                    if depth <= 1 {
                        continue;
                    }
                    if let Some(s) = sub_expr.last_mut() {
                        s.push(c);
                    } else {
                        radeco_err!("parse error");
                    };
                }
                _ => {
                    if let Some(s) = sub_expr.last_mut() {
                        s.push(c);
                    } else {
                        radeco_err!("parse error");
                    };
                }
            }
        }
        ParseToken { parsed: sub_expr }
    }
// Some notes on parsing the expression (find / replace patterns).
Some notes on parsing the expression (find / replace patterns).
Some notes on parsing the expression ( find / replace patterns ) .
fn parse_expression(&self, expr: &str) -> ParseToken {
        let mut depth = 0;
        let mut sub_expr = Vec::new();
        sub_expr.push(String::new());
        for c in expr.chars() {
            match c {
                ' ' if depth == 1 => sub_expr.push(String::new()),
                ',' if depth == 1 => {}
                ')' => {
                    depth -= 1;
                    if depth <= 0 {
                        continue;
                    }
                    if let Some(s) = sub_expr.last_mut() {
                        s.push(c);
                    } else {
                        radeco_err!("parse error");
                    };
                }
                '(' => {
                    depth += 1;
                    if depth <= 1 {
                        continue;
                    }
                    if let Some(s) = sub_expr.last_mut() {
                        s.push(c);
                    } else {
                        radeco_err!("parse error");
                    };
                }
                _ => {
                    if let Some(s) = sub_expr.last_mut() {
                        s.push(c);
                    } else {
                        radeco_err!("parse error");
                    };
                }
            }
        }
        ParseToken { parsed: sub_expr }
    }
fn parse_expression ( & self , expr : & str ) -> ParseToken { let mut depth = 0 ; let mut sub_expr = Vec :: new ( ) ; sub_expr . push ( String :: new ( ) ) ; for c in expr . chars ( ) { match c { ' ' if depth == 1 => sub_expr . push ( String :: new ( ) ) , ',' if depth == 1 => { } ')' => { depth -= 1 ; if depth <= 0 { continue ; } if let Some ( s ) = sub_expr . last_mut ( ) { s . push ( c ) ; } else { radeco_err ! ( " " ) ; } ; } '(' => { depth += 1 ; if depth <= 1 { continue ; } if let Some ( s ) = sub_expr . last_mut ( ) { s . push ( c ) ; } else { radeco_err ! ( " " ) ; } ; } _ => { if let Some ( s ) = sub_expr . last_mut ( ) { s . push ( c ) ; } else { radeco_err ! ( " " ) ; } ; } } } ParseToken { parsed : sub_expr } }
Some notes on parsing the expression (find / replace patterns).
Some notes on parsing the expression ( find / replace patterns ) .
&self
expr
&str
&self
expr
&str