Method get_line_delta

crates/vm/src/builtins/code.rs:100–138

(&mut self, code: u8)

    }

    fn get_line_delta(&mut self, code: u8) -> i32 {
        let kind = match PyCodeLocationInfoKind::from_code(code) {
            Some(k) => k,
            None => return 0,
        };

        match kind {
            PyCodeLocationInfoKind::None => 0, // NO_LINE marker
            PyCodeLocationInfoKind::Long => {
                let delta = self.reader.read_signed_varint();
                // Skip end_line, col, end_col
                self.reader.read_varint();
                self.reader.read_varint();
                self.reader.read_varint();
                delta
            }
            PyCodeLocationInfoKind::NoColumns => self.reader.read_signed_varint(),
            PyCodeLocationInfoKind::OneLine0 => {
                self.reader.read_byte(); // Skip column
                self.reader.read_byte(); // Skip end column
                0
            }
            PyCodeLocationInfoKind::OneLine1 => {
                self.reader.read_byte(); // Skip column
                self.reader.read_byte(); // Skip end column
                1
            }
            PyCodeLocationInfoKind::OneLine2 => {
                self.reader.read_byte(); // Skip column
                self.reader.read_byte(); // Skip end column
                2
            }
            _ if kind.is_short() => {
                self.reader.read_byte(); // Skip column byte
                0
            }
            _ => 0,
        }
    }
}

#[derive(FromArgs)]