Function parse_for

nodedb/src/control/planner/procedural/parser/statements.rs:176–200

`FOR var IN [REVERSE] start..end LOOP ... END LOOP;`

(tokens: &[Token], pos: &mut usize)

/// `FOR var IN [REVERSE] start..end LOOP ... END LOOP;`
fn parse_for(tokens: &[Token], pos: &mut usize) -> Result<Statement, ProceduralError> {
    *pos += 1;
    let var = expect_ident(tokens, pos)?;
    expect_token(tokens, pos, &Token::In)?;
    let reverse = if matches!(tokens.get(*pos), Some(Token::Reverse)) {
        *pos += 1;
        true
    } else {
        false
    };
    let start = collect_sql_until(tokens, pos, &[Token::DotDot])?;
    expect_token(tokens, pos, &Token::DotDot)?;
    let end = collect_sql_until(tokens, pos, &[Token::Loop])?;
    expect_token(tokens, pos, &Token::Loop)?;
    let body = super::parse_statements(tokens, pos)?;
    expect_token(tokens, pos, &Token::EndLoop)?;
    skip_if(tokens, pos, &Token::Semicolon);
    Ok(Statement::For {
        var,
        start,
        end,
        reverse,
        body,
    })
}

/// `LOOP ... END LOOP;`
fn parse_loop(tokens: &[Token], pos: &mut usize) -> Result<Statement, ProceduralError> {