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Box some of the larger information element enum variants

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An enum is always the size needed to store its largest variant. Some of
the variants of the InformationElement and LteInformationElement are
substantially larger than the rest. Boxing the larger variants reduces
the size of the enum, in some cases by several kilobytes.

Since Rust does not currently support destructing a Box via pattern
matching, some code that destructures these enums had to be modified.
This commit is contained in:
Sashanoraa
2025-03-25 18:38:42 -04:00
committed by Will Greenberg
parent 4edf001ca4
commit 034e0632e4
7 changed files with 44 additions and 19 deletions
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10
lib/src/analysis/priority_2g_downgrade.rs
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@@ -10,10 +10,12 @@ pub struct LteSib6And7DowngradeAnalyzer {
impl LteSib6And7DowngradeAnalyzer {
fn unpack_system_information<'a>(&self, ie: &'a InformationElement) -> Option<&'a SystemInformation_r8_IEsSib_TypeAndInfo> {
if let InformationElement::LTE(LteInformationElement::BcchDlSch(bcch_dl_sch_message)) = ie {
if let BCCH_DL_SCH_MessageType::C1(BCCH_DL_SCH_MessageType_c1::SystemInformation(system_information)) = &bcch_dl_sch_message.message {
if let SystemInformationCriticalExtensions::SystemInformation_r8(sib) = &system_information.critical_extensions {
return Some(&sib.sib_type_and_info);
if let InformationElement::LTE(lte_ie) = ie {
if let LteInformationElement::BcchDlSch(bcch_dl_sch_message) = &**lte_ie {
if let BCCH_DL_SCH_MessageType::C1(BCCH_DL_SCH_MessageType_c1::SystemInformation(system_information)) = &bcch_dl_sch_message.message {
if let SystemInformationCriticalExtensions::SystemInformation_r8(sib) = &system_information.critical_extensions {
return Some(&sib.sib_type_and_info);
}
}
}
}