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[DependencyScanning] Make ModuleInfo.ImportInfos nil when using a toolchain which does not support querying them. #1945

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Merged
merged 1 commit into from
Jul 1, 2025
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[DependencyScanning] Make ModuleInfo.ImportInfos nil when using a toolchain which does not support querying them. #1945

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6 changes: 3 additions & 3 deletions Sources/SwiftDriver/SwiftScan/DependencyGraphBuilder.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -104,19 +104,19 @@ private extension SwiftScan {
}
}

var importInfos: [ImportInfo] = []
var importInfos: [ImportInfo]? = nil
if supportsImportInfos {
let importInfoSetRefOrNull = api.swiftscan_module_info_get_imports(moduleInfoRef)
guard let importInfoSetRef = importInfoSetRefOrNull else {
throw DependencyScanningError.missingField("dependency_graph.imports")
}
let importInfoRefArray = Array(UnsafeBufferPointer(start: importInfoSetRef.pointee.imports,
count: Int(importInfoSetRef.pointee.count)))
for importInfoRefOrNull in importInfoRefArray {
importInfos = try importInfoRefArray.map { importInfoRefOrNull in
guard let importInfoRef = importInfoRefOrNull else {
throw DependencyScanningError.missingField("dependency_set_t.imports[_]")
}
importInfos.append(try constructImportInfo(from: importInfoRef))
return try constructImportInfo(from: importInfoRef)
}
}

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