Method error_at

compiler/src/modules/parser/mod.rs:323–344

Diagnostic at caller span + panic-mode sync; stops at statement boundary or bracket close. */

(&mut self, start: usize, end: usize, msg: &str)

    /* Diagnostic at caller span + panic-mode sync; stops at statement boundary or bracket close. */
    pub(super) fn error_at(&mut self, start: usize, end: usize, msg: &str) {
        self.errors.push(Diagnostic { start, end, msg: msg.to_string() });
        let in_brackets = !self.bracket_stack.is_empty();
        let mut depth: i32 = 0;
        loop {
            let kind = self.tokens.peek().map(|t| t.kind);
            match kind {
                None | Some(TokenType::Newline | TokenType::Dedent | TokenType::Endmarker) => break,
                Some(TokenType::Comma) if in_brackets && depth == 0 => break,
                Some(TokenType::Rpar | TokenType::Rsqb | TokenType::Rbrace) => {
                    if in_brackets && depth == 0 { break; }
                    depth -= 1;
                    self.tokens.next();
                }
                Some(TokenType::Lpar | TokenType::Lsqb | TokenType::Lbrace) => {
                    depth += 1;
                    self.tokens.next();
                }
                _ => { self.tokens.next(); }
            }
        }
    }

    pub(super) fn at_end(&mut self) -> bool { self.peek().is_none() }