static std::pair<unsigned, unsigned>
makeStandaloneRange(CharSourceRange Range, const SourceManager &SM,
const LangOptions &LangOpts) {
CharSourceRange FileRange = Lexer::makeFileCharRange(Range, SM, LangOpts);
unsigned Offset = SM.getFileOffset(FileRange.getBegin());
unsigned EndOffset = SM.getFileOffset(FileRange.getEnd());
return std::make_pair(Offset, EndOffset);
}
ClangTidyMessage::ClangTidyMessage(StringRef Message,
const SourceManager &Sources,
SourceLocation Loc)
: Message(Message) {
FilePath = Sources.getFilename(Loc);
FileOffset = Sources.getFileOffset(Loc);
}
ClangTidyMessage::ClangTidyMessage(StringRef Message,
const SourceManager &Sources,
SourceLocation Loc)
: Message(Message) {
assert(Loc.isValid() && Loc.isFileID());
FilePath = Sources.getFilename(Loc);
FileOffset = Sources.getFileOffset(Loc);
}
/// \brief Find the end of the end of the directive, either the beginning of a
/// newline or the end of file.
//
// \return The offset into the file where the directive ends along with a
// boolean value indicating whether the directive ends because the end of file
// was reached or not.
static std::pair<unsigned, bool> findDirectiveEnd(SourceLocation HashLoc,
SourceManager &SM,
const LangOptions &LangOpts) {
FileID FID = SM.getFileID(HashLoc);
unsigned Offset = SM.getFileOffset(HashLoc);
StringRef Content = SM.getBufferData(FID);
Lexer Lex(SM.getLocForStartOfFile(FID), LangOpts, Content.begin(),
Content.begin() + Offset, Content.end());
Lex.SetCommentRetentionState(true);
Token Tok;
// This loop look for the newline after our directive but avoids the ones part
// of a multi-line comments:
//
// #include <foo> /* long \n comment */\n
// ~~ no ~~ yes
for (;;) {
// find the beginning of the end-of-line sequence
StringRef::size_type EOLOffset = Content.find_first_of("\r\n", Offset);
// ends because EOF was reached
if (EOLOffset == StringRef::npos)
return std::make_pair(Content.size(), true);
// find the token that contains our end-of-line
unsigned TokEnd = 0;
do {
Lex.LexFromRawLexer(Tok);
TokEnd = SM.getFileOffset(Tok.getLocation()) + Tok.getLength();
// happens when the whitespaces are eaten after a multiline comment
if (Tok.is(tok::eof))
return std::make_pair(EOLOffset, false);
} while (TokEnd < EOLOffset);
// the end-of-line is not part of a multi-line comment, return its location
if (Tok.isNot(tok::comment))
return std::make_pair(EOLOffset, false);
// for the next search to start after the end of this token
Offset = TokEnd;
}
}
void SDiagsWriter::AddLocToRecord(SourceLocation Loc,
const SourceManager &SM,
PresumedLoc PLoc,
RecordDataImpl &Record,
unsigned TokSize) {
if (PLoc.isInvalid()) {
// Emit a "sentinel" location.
Record.push_back((unsigned)0); // File.
Record.push_back((unsigned)0); // Line.
Record.push_back((unsigned)0); // Column.
Record.push_back((unsigned)0); // Offset.
return;
}
Record.push_back(getEmitFile(PLoc.getFilename()));
Record.push_back(PLoc.getLine());
Record.push_back(PLoc.getColumn()+TokSize);
Record.push_back(SM.getFileOffset(Loc));
}
