167   StringRef Source = ErrOrFile.get()->getBuffer();  in getLineColumn()  local
168   Source = Source.take_front(Offset);  in getLineColumn()
169   size_t LastLine = Source.find_last_of("\r\n");  in getLineColumn()
170   return {Source.count('\n') + 1,  in getLineColumn()
265 static unsigned addColumnOffset(StringRef Source, unsigned Offset,  in addColumnOffset()  argument
269   StringRef Substr = Source.drop_front(Offset).take_front(ColumnOffset);  in addColumnOffset()
275 static unsigned addEndLineOffsetAndEndColumn(StringRef Source, unsigned Offset,  in addEndLineOffsetAndEndColumn()  argument
278   StringRef Line = Source.drop_front(Offset);  in addEndLineOffsetAndEndColumn()
289   size_t LineStart = Source.find_last_of("\r\n", /*From=*/Offset + LineOffset);  in addEndLineOffsetAndEndColumn()
291       Source, LineStart == StringRef::npos ? 0 : LineStart + 1, Column - 1);  in addEndLineOffsetAndEndColumn()
303   StringRef Source = ErrOrFile.get()->getBuffer();  in findTestSelectionRanges()  local
317   Lexer Lex(SourceLocation::getFromRawEncoding(0), LangOpts, Source.begin(),  in findTestSelectionRanges()
318             Source.begin(), Source.end());  in findTestSelectionRanges()
326         Source.substr(Tok.getLocation().getRawEncoding(), Tok.getLength());  in findTestSelectionRanges()
353     Offset = addColumnOffset(Source, Offset, ColumnOffset);  in findTestSelectionRanges()
369       EndOffset = addEndLineOffsetAndEndColumn(Source, Offset, EndLineOffset,  in findTestSelectionRanges()