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Frontend: add a frontend flag to generate empty ABI descriptors to workaround deserialization issues

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ABI descriptors should always be emitted as sidecars for library-evolution-enabled modules.
However, generating these files requires traversing the entire module (like indexing), which may
hit additional deserialization issues. To unblock builds, this patch introduces a flag to skip
the traversing logic so that we emit an empty ABI descriptor file. The empty file serves as
a placeholder so that build system doesn't need to know the details.
This commit is contained in:
Xi Ge
2022-02-23 21:51:03 -08:00
parent a9a512de37
commit e1aaee4fec
9 changed files with 32 additions and 9 deletions
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15
lib/APIDigester/ModuleAnalyzerNodes.cpp
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@@ -2498,7 +2498,7 @@ int swift::ide::api::deserializeSDKDump(StringRef dumpPath, StringRef OutputPath
}
void swift::ide::api::dumpModuleContent(ModuleDecl *MD, StringRef OutputFile,
bool ABI) {
bool ABI, bool Empty) {
CheckerOptions opts;
opts.ABI = ABI;
opts.SwiftOnly = true;
@@ -2509,12 +2509,17 @@ void swift::ide::api::dumpModuleContent(ModuleDecl *MD, StringRef OutputFile,
opts.Verbose = false;
SDKContext ctx(opts);
SwiftDeclCollector collector(ctx);
collector.lookupVisibleDecls({MD});
ConstExtractor extractor(ctx, MD->getASTContext());
extractor.extract(MD);
PayLoad payload;
payload.allContsValues = &extractor.getAllConstValues();
dumpSDKRoot(collector.getSDKRoot(), payload, OutputFile);
SWIFT_DEFER {
payload.allContsValues = &extractor.getAllConstValues();
dumpSDKRoot(collector.getSDKRoot(), payload, OutputFile);
};
if (Empty) {
return;
}
collector.lookupVisibleDecls({MD});
extractor.extract(MD);
}
int swift::ide::api::findDeclUsr(StringRef dumpPath, CheckerOptions Opts) {