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[Serialization] Serialize fingerprint, mtime, size of the source files

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This commit is contained in:
Rintaro Ishizaki
2021-01-12 15:24:16 -08:00
parent 09121f7780
commit a9a044c6e3
12 changed files with 119 additions and 26 deletions
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18
lib/Serialization/ModuleFile.cpp
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@@ -959,8 +959,8 @@ Optional<CommentInfo> ModuleFile::getCommentForDecl(const Decl *D) const {
return getCommentForDeclByUSR(USRBuffer.str());
}
void ModuleFile::collectSourceFileNames(
llvm::function_ref<void(StringRef)> callback) const {
void ModuleFile::collectBasicSourceFileInfo(
llvm::function_ref<void(const BasicSourceFileInfo &)> callback) const {
if (Core->SourceFileListData.empty())
return;
assert(!Core->SourceLocsTextData.empty());
@@ -969,11 +969,23 @@ void ModuleFile::collectSourceFileNames(
auto *End = Core->SourceFileListData.bytes_end();
while (Cursor < End) {
auto fileID = endian::readNext<uint32_t, little, unaligned>(Cursor);
auto fpStr = StringRef{reinterpret_cast<const char *>(Cursor),
Fingerprint::DIGEST_LENGTH};
Cursor += Fingerprint::DIGEST_LENGTH;
auto timestamp = endian::readNext<uint64_t, little, unaligned>(Cursor);
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);
callback(filePath);
BasicSourceFileInfo info;
info.FilePath = filePath;
info.InterfaceHash = Fingerprint::fromString(fpStr);
info.LastModified = llvm::sys::TimePoint<>(std::chrono::seconds(timestamp));
info.FileSize = fileSize;
callback(info);
}
}