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Merge remote-tracking branch 'origin/main' into rebranch

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swift-ci
2021-01-15 10:12:20 -08:00
parent 21cf3993d8 9a93a3b40f
commit c49bdea2f1
19 changed files with 251 additions and 46 deletions
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35
lib/Serialization/ModuleFile.cpp
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@@ -959,6 +959,41 @@ Optional<CommentInfo> ModuleFile::getCommentForDecl(const Decl *D) const {
return getCommentForDeclByUSR(USRBuffer.str());
}
void ModuleFile::collectBasicSourceFileInfo(
llvm::function_ref<void(const BasicSourceFileInfo &)> callback) const {
if (Core->SourceFileListData.empty())
return;
assert(!Core->SourceLocsTextData.empty());
auto *Cursor = Core->SourceFileListData.bytes_begin();
auto *End = Core->SourceFileListData.bytes_end();
while (Cursor < End) {
// FilePath (byte offset in 'SourceLocsTextData').
auto fileID = endian::readNext<uint32_t, little, unaligned>(Cursor);
// InterfaceHash (fixed length string).
auto fpStr = StringRef{reinterpret_cast<const char *>(Cursor),
Fingerprint::DIGEST_LENGTH};
Cursor += Fingerprint::DIGEST_LENGTH;
// LastModified (nanoseconds since epoch).
auto timestamp = endian::readNext<uint64_t, little, unaligned>(Cursor);
// FileSize (num of bytes).
auto fileSize = endian::readNext<uint64_t, little, unaligned>(Cursor);
assert(fileID < Core->SourceLocsTextData.size());
auto filePath = Core->SourceLocsTextData.substr(fileID);
size_t terminatorOffset = filePath.find('\0');
filePath = filePath.slice(0, terminatorOffset);
BasicSourceFileInfo info;
info.FilePath = filePath;
info.InterfaceHash = Fingerprint::fromString(fpStr);
info.LastModified =
llvm::sys::TimePoint<>(std::chrono::nanoseconds(timestamp));
info.FileSize = fileSize;
callback(info);
}
}
Optional<BasicDeclLocs>
ModuleFile::getBasicDeclLocsForDecl(const Decl *D) const {
assert(D);