a2lfile 3.4.0

read, modify and write a2l files
Documentation 
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use std::collections::HashSet;

use crate::specification::Module;

pub(crate) fn cleanup(module: &mut Module) {
    let mut used_record_layouts = HashSet::<String>::new();
    // AXIS_PTS, CHARACTERISTIC and TYPEDEF_CHARACTERISTIC can reference RECORD_LAYOUTs
    for axis_pts in &module.axis_pts {
        used_record_layouts.insert(axis_pts.deposit_record.clone());
    }
    for characteristic in &module.characteristic {
        used_record_layouts.insert(characteristic.deposit.clone());
    }
    for typedef_characteristic in &module.typedef_characteristic {
        used_record_layouts.insert(typedef_characteristic.record_layout.clone());
    }
    for typedef_axis in &module.typedef_axis {
        used_record_layouts.insert(typedef_axis.record_layout.clone());
    }
    // deprecated since 1.60: MOD_COMMON / S_REC_LAOUT can specify the standard RECORD_LAYOUT
    if let Some(mod_common) = &module.mod_common
        && let Some(s_rec_layout) = &mod_common.s_rec_layout
    {
        used_record_layouts.insert(s_rec_layout.name.clone());
    }
    // remove all unused RECORD_LAYOUTs
    module
        .record_layout
        .retain(|rl| used_record_layouts.contains(&rl.name));
}