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Add SourceManager::dump() to dump the current set of SLocEntries. 

llvm-svn: 244852
This commit is contained in:
Richard Smith 2015-08-13 00:45:11 +00:00
parent 8219a501da
commit 03a06dd13c
2 changed files with 59 additions and 0 deletions
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2
clang/include/clang/Basic/SourceManager.h
View File

@ -1463,6 +1463,8 @@ public:
///
void PrintStats() const;
void dump() const;
/// \brief Get the number of local SLocEntries we have.
unsigned local_sloc_entry_size() const { return LocalSLocEntryTable.size(); }

57
clang/lib/Basic/SourceManager.cpp
View File

@ -2135,6 +2135,63 @@ void SourceManager::PrintStats() const {
<< NumBinaryProbes << " binary.\n";
}
LLVM_DUMP_METHOD void SourceManager::dump() const {
llvm::raw_ostream &out = llvm::errs();
auto DumpSLocEntry = [&](int ID, const SrcMgr::SLocEntry &Entry,
llvm::Optional<unsigned> NextStart) {
out << "SLocEntry <FileID " << ID << "> " << (Entry.isFile() ? "file" : "expansion")
<< " <SourceLocation " << Entry.getOffset() << ":";
if (NextStart)
out << *NextStart << ">\n";
else
out << "???\?>\n";
if (Entry.isFile()) {
auto &FI = Entry.getFile();
if (FI.NumCreatedFIDs)
out << " covers <FileID " << ID << ":" << int(ID + FI.NumCreatedFIDs)
<< ">\n";
if (FI.getIncludeLoc().isValid())
out << " included from " << FI.getIncludeLoc().getOffset() << "\n";
if (auto *CC = FI.getContentCache()) {
out << " for " << (CC->OrigEntry ? CC->OrigEntry->getName() : "<none>")
<< "\n";
if (CC->BufferOverridden)
out << " contents overridden\n";
if (CC->ContentsEntry != CC->OrigEntry) {
out << " contents from "
<< (CC->ContentsEntry ? CC->ContentsEntry->getName() : "<none>")
<< "\n";
}
}
} else {
auto &EI = Entry.getExpansion();
out << " spelling from " << EI.getSpellingLoc().getOffset() << "\n";
out << " macro " << (EI.isMacroArgExpansion() ? "arg" : "body")
<< " range <" << EI.getExpansionLocStart().getOffset() << ":"
<< EI.getExpansionLocEnd().getOffset() << ">\n";
}
};
// Dump local SLocEntries.
for (unsigned ID = 0, NumIDs = LocalSLocEntryTable.size(); ID != NumIDs; ++ID) {
DumpSLocEntry(ID, LocalSLocEntryTable[ID],
ID == NumIDs - 1 ? NextLocalOffset
: LocalSLocEntryTable[ID + 1].getOffset());
}
// Dump loaded SLocEntries.
llvm::Optional<unsigned> NextStart;
for (unsigned Index = 0; Index != LoadedSLocEntryTable.size(); ++Index) {
int ID = -(int)Index - 2;
if (SLocEntryLoaded[Index]) {
DumpSLocEntry(ID, LoadedSLocEntryTable[Index], NextStart);
NextStart = LoadedSLocEntryTable[Index].getOffset();
} else {
NextStart = None;
}
}
}
ExternalSLocEntrySource::~ExternalSLocEntrySource() { }
/// Return the amount of memory used by memory buffers, breaking down