Function parse_while

nodedb/src/control/planner/procedural/parser/statements.rs:165–173

`WHILE cond LOOP ... END LOOP;`

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

/// `WHILE cond LOOP ... END LOOP;`
fn parse_while(tokens: &[Token], pos: &mut usize) -> Result<Statement, ProceduralError> {
    *pos += 1;
    let condition = 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::While { condition, body })
}

/// `FOR var IN [REVERSE] start..end LOOP ... END LOOP;`
fn parse_for(tokens: &[Token], pos: &mut usize) -> Result<Statement, ProceduralError> {