mirror of https://github.com/encounter/objdiff.git
Merge cf15d3b7e7 into aecb078b2a
This commit is contained in:
Robin Avery
GitHub
commit
fee1804ce4
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@ -41,7 +41,7 @@ pub struct GenerateArgs {
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/// Output JSON file
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output: Option<PathBuf>,
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#[argp(switch, short = 'd')]
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/// Deduplicate global and weak symbols
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/// Deduplicate global and weak symbols (runs single-threaded)
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deduplicate: bool,
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}
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@ -63,9 +63,12 @@ pub struct ChangesArgs {
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#[derive(Debug, Clone, Default, serde::Serialize, serde::Deserialize)]
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struct Report {
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fuzzy_match_percent: f32,
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total_size: u64,
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matched_size: u64,
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matched_size_percent: f32,
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total_code: u64,
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matched_code: u64,
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matched_code_percent: f32,
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total_data: u64,
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matched_data: u64,
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matched_data_percent: f32,
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total_functions: u32,
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matched_functions: u32,
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matched_functions_percent: f32,
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@ -76,8 +79,10 @@ struct Report {
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struct ReportUnit {
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name: String,
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fuzzy_match_percent: f32,
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total_size: u64,
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matched_size: u64,
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total_code: u64,
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matched_code: u64,
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total_data: u64,
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matched_data: u64,
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total_functions: u32,
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matched_functions: u32,
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#[serde(skip_serializing_if = "Option::is_none")]
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@ -86,11 +91,12 @@ struct ReportUnit {
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module_name: Option<String>,
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#[serde(skip_serializing_if = "Option::is_none")]
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module_id: Option<u32>,
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functions: Vec<ReportFunction>,
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sections: Vec<ReportItem>,
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functions: Vec<ReportItem>,
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}
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#[derive(Debug, Clone, Default, serde::Serialize, serde::Deserialize)]
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struct ReportFunction {
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struct ReportItem {
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name: String,
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#[serde(skip_serializing_if = "Option::is_none")]
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demangled_name: Option<String>,
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@ -159,21 +165,29 @@ fn generate(args: GenerateArgs) -> Result<()> {
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report.units = units.into_iter().flatten().collect();
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}
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for unit in &report.units {
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report.fuzzy_match_percent += unit.fuzzy_match_percent * unit.total_size as f32;
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report.total_size += unit.total_size;
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report.matched_size += unit.matched_size;
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report.fuzzy_match_percent += unit.fuzzy_match_percent * unit.total_code as f32;
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report.total_code += unit.total_code;
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report.matched_code += unit.matched_code;
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report.total_data += unit.total_data;
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report.matched_data += unit.matched_data;
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report.total_functions += unit.total_functions;
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report.matched_functions += unit.matched_functions;
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}
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if report.total_size == 0 {
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if report.total_code == 0 {
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report.fuzzy_match_percent = 100.0;
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} else {
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report.fuzzy_match_percent /= report.total_size as f32;
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report.fuzzy_match_percent /= report.total_code as f32;
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}
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report.matched_size_percent = if report.total_size == 0 {
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report.matched_code_percent = if report.total_code == 0 {
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100.0
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} else {
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report.matched_size as f32 / report.total_size as f32 * 100.0
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report.matched_code as f32 / report.total_code as f32 * 100.0
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};
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report.matched_data_percent = if report.total_data == 0 {
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100.0
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} else {
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report.matched_data as f32 / report.total_data as f32 * 100.0
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};
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report.matched_functions_percent = if report.total_functions == 0 {
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100.0
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@ -215,7 +229,6 @@ fn report_object(
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}
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_ => {}
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}
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// println!("Checking {}", object.name());
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let mut target = object
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.target_path
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.as_ref()
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@ -239,10 +252,39 @@ fn report_object(
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..Default::default()
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};
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let obj = target.as_ref().or(base.as_ref()).unwrap();
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for section in target
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.as_ref()
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.map_or(&vec![], |o| &o.sections)
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.iter()
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.chain(base.as_ref().map_or(&vec![], |o| &o.sections))
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.filter(|o| o.match_percent != 0.0)
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{
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// TODO
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println!("{}: {}", section.name, section.match_percent);
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}
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for section in &obj.sections {
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if section.kind != ObjSectionKind::Code {
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continue;
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unit.sections.push(ReportItem {
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name: section.name.clone(),
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demangled_name: None,
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fuzzy_match_percent: section.match_percent,
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size: section.size,
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address: section.virtual_address,
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});
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match section.kind {
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ObjSectionKind::Data | ObjSectionKind::Bss => {
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unit.total_data += section.size;
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// section.data_diff
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if section.match_percent == 100.0 {
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unit.matched_data += section.size;
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}
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continue;
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}
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ObjSectionKind::Code => (),
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}
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for symbol in §ion.symbols {
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if symbol.size == 0 {
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continue;
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@ -265,11 +307,11 @@ fn report_object(
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}
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});
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unit.fuzzy_match_percent += match_percent * symbol.size as f32;
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unit.total_size += symbol.size;
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unit.total_code += symbol.size;
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if match_percent == 100.0 {
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unit.matched_size += symbol.size;
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unit.matched_code += symbol.size;
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}
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unit.functions.push(ReportFunction {
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unit.functions.push(ReportItem {
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name: symbol.name.clone(),
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demangled_name: symbol.demangled_name.clone(),
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size: symbol.size,
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@ -282,10 +324,10 @@ fn report_object(
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unit.total_functions += 1;
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}
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}
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if unit.total_size == 0 {
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if unit.total_code == 0 {
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unit.fuzzy_match_percent = 100.0;
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} else {
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unit.fuzzy_match_percent /= unit.total_size as f32;
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unit.fuzzy_match_percent /= unit.total_code as f32;
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}
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Ok(Some(unit))
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}
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@ -300,9 +342,12 @@ struct Changes {
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#[derive(Debug, Clone, Default, PartialEq, serde::Serialize, serde::Deserialize)]
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struct ChangeInfo {
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fuzzy_match_percent: f32,
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total_size: u64,
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matched_size: u64,
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matched_size_percent: f32,
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total_code: u64,
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matched_code: u64,
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matched_code_percent: f32,
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total_data: u64,
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matched_data: u64,
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matched_data_percent: f32,
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total_functions: u32,
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matched_functions: u32,
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matched_functions_percent: f32,
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@ -312,9 +357,12 @@ impl From<&Report> for ChangeInfo {
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fn from(report: &Report) -> Self {
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Self {
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fuzzy_match_percent: report.fuzzy_match_percent,
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total_size: report.total_size,
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matched_size: report.matched_size,
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matched_size_percent: report.matched_size_percent,
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total_code: report.total_code,
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matched_code: report.matched_code,
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matched_code_percent: report.matched_code_percent,
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total_data: report.total_data,
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matched_data: report.matched_data,
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matched_data_percent: report.matched_data_percent,
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total_functions: report.total_functions,
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matched_functions: report.matched_functions,
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matched_functions_percent: report.matched_functions_percent,
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@ -326,12 +374,19 @@ impl From<&ReportUnit> for ChangeInfo {
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fn from(value: &ReportUnit) -> Self {
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Self {
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fuzzy_match_percent: value.fuzzy_match_percent,
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total_size: value.total_size,
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matched_size: value.matched_size,
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matched_size_percent: if value.total_size == 0 {
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total_code: value.total_code,
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matched_code: value.matched_code,
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matched_code_percent: if value.total_code == 0 {
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100.0
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} else {
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value.matched_size as f32 / value.total_size as f32 * 100.0
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value.matched_code as f32 / value.total_code as f32 * 100.0
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},
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total_data: value.total_data,
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matched_data: value.matched_data,
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matched_data_percent: if value.total_data == 0 {
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100.0
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} else {
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value.matched_data as f32 / value.total_data as f32 * 100.0
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},
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total_functions: value.total_functions,
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matched_functions: value.matched_functions,
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@ -349,24 +404,25 @@ struct ChangeUnit {
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name: String,
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from: Option<ChangeInfo>,
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to: Option<ChangeInfo>,
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functions: Vec<ChangeFunction>,
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sections: Vec<ChangeItem>,
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functions: Vec<ChangeItem>,
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}
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#[derive(Debug, Clone, Default, serde::Serialize, serde::Deserialize)]
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struct ChangeFunction {
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struct ChangeItem {
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name: String,
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from: Option<ChangeFunctionInfo>,
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to: Option<ChangeFunctionInfo>,
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from: Option<ChangeItemInfo>,
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to: Option<ChangeItemInfo>,
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}
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#[derive(Debug, Clone, Default, PartialEq, serde::Serialize, serde::Deserialize)]
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struct ChangeFunctionInfo {
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struct ChangeItemInfo {
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fuzzy_match_percent: f32,
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size: u64,
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}
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impl From<&ReportFunction> for ChangeFunctionInfo {
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fn from(value: &ReportFunction) -> Self {
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impl From<&ReportItem> for ChangeItemInfo {
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fn from(value: &ReportItem) -> Self {
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Self { fuzzy_match_percent: value.fuzzy_match_percent, size: value.size }
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}
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}
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@ -380,54 +436,18 @@ fn changes(args: ChangesArgs) -> Result<()> {
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units: vec![],
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};
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for prev_unit in &previous.units {
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let prev_unit_info = ChangeInfo::from(prev_unit);
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let curr_unit = current.units.iter().find(|u| u.name == prev_unit.name);
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let sections = process_items(prev_unit, curr_unit, |u| &u.sections);
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let functions = process_items(prev_unit, curr_unit, |u| &u.functions);
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let prev_unit_info = ChangeInfo::from(prev_unit);
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let curr_unit_info = curr_unit.map(ChangeInfo::from);
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let mut functions = vec![];
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if let Some(curr_unit) = curr_unit {
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for prev_func in &prev_unit.functions {
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let prev_func_info = ChangeFunctionInfo::from(prev_func);
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let curr_func = curr_unit.functions.iter().find(|f| f.name == prev_func.name);
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let curr_func_info = curr_func.map(ChangeFunctionInfo::from);
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if let Some(curr_func_info) = curr_func_info {
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if prev_func_info != curr_func_info {
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functions.push(ChangeFunction {
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name: prev_func.name.clone(),
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from: Some(prev_func_info),
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to: Some(curr_func_info),
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});
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}
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} else {
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functions.push(ChangeFunction {
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name: prev_func.name.clone(),
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from: Some(prev_func_info),
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to: None,
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});
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}
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}
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for curr_func in &curr_unit.functions {
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if !prev_unit.functions.iter().any(|f| f.name == curr_func.name) {
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functions.push(ChangeFunction {
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name: curr_func.name.clone(),
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from: None,
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to: Some(ChangeFunctionInfo::from(curr_func)),
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});
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}
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}
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} else {
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for prev_func in &prev_unit.functions {
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functions.push(ChangeFunction {
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name: prev_func.name.clone(),
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from: Some(ChangeFunctionInfo::from(prev_func)),
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to: None,
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});
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}
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}
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if !functions.is_empty() || !matches!(&curr_unit_info, Some(v) if v == &prev_unit_info) {
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changes.units.push(ChangeUnit {
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name: prev_unit.name.clone(),
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from: Some(prev_unit_info),
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to: curr_unit_info,
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sections,
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functions,
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});
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}
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@ -438,15 +458,8 @@ fn changes(args: ChangesArgs) -> Result<()> {
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name: curr_unit.name.clone(),
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from: None,
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to: Some(ChangeInfo::from(curr_unit)),
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functions: curr_unit
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.functions
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.iter()
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.map(|f| ChangeFunction {
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name: f.name.clone(),
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from: None,
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to: Some(ChangeFunctionInfo::from(f)),
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})
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.collect(),
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sections: process_new_items(&curr_unit.sections),
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functions: process_new_items(&curr_unit.functions),
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});
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}
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}
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@ -464,6 +477,63 @@ fn changes(args: ChangesArgs) -> Result<()> {
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Ok(())
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}
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fn process_items<F: Fn(&ReportUnit) -> &Vec<ReportItem>>(
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prev_unit: &ReportUnit,
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curr_unit: Option<&ReportUnit>,
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getter: F,
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) -> Vec<ChangeItem> {
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let prev_items = getter(prev_unit);
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let mut items = vec![];
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if let Some(curr_unit) = curr_unit {
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let curr_items = getter(curr_unit);
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for prev_func in prev_items {
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let prev_func_info = ChangeItemInfo::from(prev_func);
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let curr_func = curr_items.iter().find(|f| f.name == prev_func.name);
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let curr_func_info = curr_func.map(ChangeItemInfo::from);
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if let Some(curr_func_info) = curr_func_info {
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if prev_func_info != curr_func_info {
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items.push(ChangeItem {
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name: prev_func.name.clone(),
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from: Some(prev_func_info),
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to: Some(curr_func_info),
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});
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}
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} else {
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items.push(ChangeItem {
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name: prev_func.name.clone(),
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from: Some(prev_func_info),
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to: None,
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});
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}
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}
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for curr_func in curr_items {
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if !prev_items.iter().any(|f| f.name == curr_func.name) {
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items.push(ChangeItem {
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name: curr_func.name.clone(),
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from: None,
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to: Some(ChangeItemInfo::from(curr_func)),
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});
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}
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}
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} else {
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for prev_func in prev_items {
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items.push(ChangeItem {
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name: prev_func.name.clone(),
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from: Some(ChangeItemInfo::from(prev_func)),
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to: None,
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});
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}
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}
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items
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}
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fn process_new_items(items: &[ReportItem]) -> Vec<ChangeItem> {
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items
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.iter()
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.map(|f| ChangeItem { name: f.name.clone(), from: None, to: Some(ChangeItemInfo::from(f)) })
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.collect()
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}
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fn read_report(path: &Path) -> Result<Report> {
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serde_json::from_reader(BufReader::new(
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File::open(path).with_context(|| format!("Failed to open {}", path.display()))?,
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|
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