Function parse

src/testdrive/src/parser.rs:93–135

(line_reader: &mut LineReader)

}

pub(crate) fn parse(line_reader: &mut LineReader) -> Result<Vec<PosCommand>, PosError> {
    let mut out = Vec::new();
    while let Some((pos, line)) = line_reader.peek() {
        let pos = *pos;
        let command = match line.chars().next() {
            Some('$') => {
                let version = parse_version_constraint(line_reader)?;
                Command::Builtin(parse_builtin(line_reader)?, version)
            }
            Some('>') => {
                let version = parse_version_constraint(line_reader)?;
                Command::Sql(parse_sql(line_reader)?, version)
            }
            Some('?') => {
                let version = parse_version_constraint(line_reader)?;
                Command::Sql(parse_explain_sql(line_reader)?, version)
            }
            Some('!') => {
                let version = parse_version_constraint(line_reader)?;
                Command::FailSql(parse_fail_sql(line_reader)?, version)
            }
            Some('#') => {
                // Comment line.
                line_reader.next();
                continue;
            }
            Some(x) => {
                return Err(PosError {
                    source: anyhow!(format!("unexpected input line at beginning of file: {}", x)),
                    pos: Some(pos),
                });
            }
            None => {
                return Err(PosError {
                    source: anyhow!("unexpected input line at beginning of file"),
                    pos: Some(pos),
                });
            }
        };
        out.push(PosCommand { command, pos });
    }
    Ok(out)
}

fn parse_builtin(line_reader: &mut LineReader) -> Result<BuiltinCommand, PosError> {
    let (pos, line) = line_reader.next().unwrap();