3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Alfredo Braunstein
7 * \author Lars Gullik Bjønnes
8 * \author Jean-Marc Lasgouttes
9 * \author Angus Leeming
11 * \author Jürgen Spitzmüller
13 * Full author contact details are available in file CREDITS.
21 #include "BufferList.h"
22 #include "BufferParams.h"
28 #include "LaTeXFeatures.h"
30 #include "support/debug.h"
31 #include "support/docstring.h"
32 #include "support/convert.h"
33 #include "support/FileName.h"
34 #include "support/filetools.h"
35 #include "support/gettext.h"
36 #include "support/lstrings.h"
37 #include "support/Systemcall.h"
38 #include "support/os.h"
46 using namespace lyx::support;
50 namespace os = support::os;
52 // TODO: in no particular order
53 // - get rid of the call to
54 // BufferList::updateIncludedTeXfiles, this should either
55 // be done before calling LaTeX::funcs or in a completely
57 // - the makeindex style files should be taken care of with
58 // the dependency mechanism.
62 docstring runMessage(unsigned int count)
64 return bformat(_("Waiting for LaTeX run number %1$d"), count);
73 void TeXErrors::insertError(int line, docstring const & error_desc,
74 docstring const & error_text,
75 string const & child_name)
77 Error newerr(line, error_desc, error_text, child_name);
78 errors.push_back(newerr);
82 void TeXErrors::insertRef(int line, docstring const & error_desc,
83 docstring const & error_text,
84 string const & child_name)
86 Error newerr(line, error_desc, error_text, child_name);
87 undef_ref.push_back(newerr);
91 bool operator==(AuxInfo const & a, AuxInfo const & o)
93 return a.aux_file == o.aux_file
94 && a.citations == o.citations
95 && a.databases == o.databases
96 && a.styles == o.styles;
100 bool operator!=(AuxInfo const & a, AuxInfo const & o)
110 LaTeX::LaTeX(string const & latex, OutputParams const & rp,
111 FileName const & f, string const & p, string const & lp,
112 bool allow_cancellation, bool const clean_start)
113 : cmd(latex), file(f), path(p), lpath(lp), runparams(rp), biber(false),
114 allow_cancel(allow_cancellation)
117 // lualatex can still produce a DVI with --output-format=dvi. However,
118 // we do not use that internally (we use the "dvilualatex" command) so
119 // it would only happen from a custom converter. Thus, it is better to
120 // guess that lualatex produces a PDF than to guess a DVI.
121 // FIXME we should base the extension on the output format, which we should
122 // get in a robust way, e.g. from the converter.
123 if (prefixIs(cmd, "pdf") || prefixIs(cmd, "lualatex") || prefixIs(cmd, "xelatex")) {
124 depfile = FileName(file.absFileName() + ".dep-pdf");
126 FileName(changeExtension(file.absFileName(), ".pdf"));
128 depfile = FileName(file.absFileName() + ".dep");
130 FileName(changeExtension(file.absFileName(), ".dvi"));
133 removeAuxiliaryFiles();
137 void LaTeX::removeAuxiliaryFiles() const
139 LYXERR(Debug::OUTFILE, "Removing auxiliary files");
140 // Note that we do not always call this function when there is an error.
141 // For example, if there is an error but an output file is produced we
142 // still would like to output (export/view) the file.
144 // What files do we have to delete?
146 // This will at least make latex do all the runs
147 depfile.removeFile();
149 // but the reason for the error might be in a generated file...
152 FileName const bbl(changeExtension(file.absFileName(), ".bbl"));
156 FileName const bcf(changeExtension(file.absFileName(), ".bcf"));
160 FileName const ind(changeExtension(file.absFileName(), ".ind"));
164 if (LaTeXFeatures::isAvailableAtLeastFrom("nomencl", 2005, 3, 31)) {
165 FileName const nls(changeExtension(file.absFileName(), ".nls"));
167 } else if (LaTeXFeatures::isAvailable("nomencl")) {
168 // nomencl file (old version of the package up to v. 4.0)
169 FileName const gls(changeExtension(file.absFileName(), ".gls"));
174 FileName const ent(changeExtension(file.absFileName(), ".ent"));
177 // Also remove the aux file
178 FileName const aux(changeExtension(file.absFileName(), ".aux"));
181 // Also remove the .out file (e.g. hyperref bookmarks) (#9963)
182 FileName const out(changeExtension(file.absFileName(), ".out"));
185 // Remove the output file, which is often generated even if error
186 output_file.removeFile();
190 int LaTeX::run(TeXErrors & terr)
191 // We know that this function will only be run if the lyx buffer
192 // has been changed. We also know that a newly written .tex file
193 // is always different from the previous one because of the date
194 // in it. However it seems safe to run latex (at least) one time
195 // each time the .tex file changes.
197 int scanres = NO_ERRORS;
198 int bscanres = NO_ERRORS;
199 int iscanres = NO_ERRORS;
200 unsigned int count = 0; // number of times run
201 num_errors = 0; // just to make sure.
202 unsigned int const MAX_RUN = 6;
203 DepTable head; // empty head
204 bool rerun = false; // rerun requested
206 // The class LaTeX does not know the temp path.
207 theBufferList().updateIncludedTeXfiles(FileName::getcwd().absFileName(),
211 // first check if the file dependencies exist:
212 // ->If it does exist
213 // check if any of the files mentioned in it have
214 // changed (done using a checksum).
216 // run latex once and
217 // remake the dependency file
218 // -> if not changed:
219 // just return there is nothing to do for us.
220 // ->if it doesn't exist
222 // run latex once (we need to run latex once anyway) and
223 // remake the dependency file.
226 bool had_depfile = depfile.exists();
227 bool run_bibtex = false;
228 FileName const aux_file(changeExtension(file.absFileName(), ".aux"));
231 LYXERR(Debug::DEPEND, "Dependency file exists");
232 // Read the dep file:
233 had_depfile = head.read(depfile);
237 if (runparams.includeall) {
238 // On an "includeall" call (whose purpose is to set up/maintain counters and references
239 // for includeonly), we remove the master from the dependency list since
240 // (1) it will be checked anyway on the subsequent includeonly run
241 // (2) the master is always changed (due to the \includeonly line), and this alone would
242 // trigger a complete, expensive run each time
243 head.remove_file(file);
244 // Also remove all children which are included
245 Buffer const * buf = theBufferList().getBufferFromTmp(file.absFileName());
246 if (buf && buf->params().maintain_unincluded_children == BufferParams::CM_Mostly) {
247 for (auto const & incfile : buf->params().getIncludedChildren()) {
249 DocFileName(changeExtension(makeAbsPath(incfile, path)
250 .absFileName(), ".tex")).mangledFileName();
251 FileName inc = makeAbsPath(incm, file.onlyPath().realPath());
252 head.remove_file(inc);
256 // Update the checksums
258 // Can't just check if anything has changed because it might
259 // have aborted on error last time... in which cas we need
260 // to re-run latex and collect the error messages
261 // (even if they are the same).
262 if (!output_file.exists()) {
263 LYXERR(Debug::DEPEND,
264 "re-running LaTeX because output file doesn't exist.");
265 } else if (!head.sumchange()) {
266 LYXERR(Debug::DEPEND, "return no_change");
269 LYXERR(Debug::DEPEND, "Dependency file has changed");
272 if (head.extchanged(".bib") || head.extchanged(".bst"))
275 LYXERR(Debug::DEPEND,
276 "Dependency file does not exist, or has wrong format");
278 /// We scan the aux file even when had_depfile = false,
279 /// because we can run pdflatex on the file after running latex on it,
280 /// in which case we will not need to run bibtex again.
281 vector<AuxInfo> bibtex_info_old;
283 bibtex_info_old = scanAuxFiles(aux_file, runparams.only_childbibs);
286 LYXERR(Debug::OUTFILE, "Run #" << count);
287 message(runMessage(count));
289 int exit_code = startscript();
290 if (exit_code == Systemcall::KILLED || exit_code == Systemcall::TIMEOUT)
293 scanres = scanLogFile(terr);
294 if (scanres & ERROR_RERUN) {
295 LYXERR(Debug::OUTFILE, "Rerunning LaTeX");
297 exit_code = startscript();
298 if (exit_code == Systemcall::KILLED || exit_code == Systemcall::TIMEOUT)
300 scanres = scanLogFile(terr);
303 vector<AuxInfo> const bibtex_info = scanAuxFiles(aux_file, runparams.only_childbibs);
304 if (!run_bibtex && bibtex_info_old != bibtex_info)
307 // update the dependencies.
308 deplog(head); // reads the latex log
311 // Record here (after the first LaTeX run) whether nomencl aux files exist
313 // The programs itself are then launched later after the pagination has settled.
314 FileName const nlofile(changeExtension(file.absFileName(), ".nlo"));
315 // If all nomencl entries are removed, nomencl writes an empty nlo file.
316 // DepTable::hasChanged() returns false in this case, since it does not
317 // distinguish empty files from non-existing files. This is why we need
318 // the extra checks here (to trigger a rerun). Cf. discussions in #8905.
319 // FIXME: Sort out the real problem in DepTable.
320 bool const run_nomencl = head.haschanged(nlofile) || (nlofile.exists() && nlofile.isFileEmpty());
321 bool run_nomencl_glo = false;
322 if (!LaTeXFeatures::isAvailableAtLeastFrom("nomencl", 2005, 3, 31)) {
323 // nomencl package up to v4.0
324 FileName const glofile(changeExtension(file.absFileName(), ".glo"));
325 run_nomencl_glo = head.haschanged(glofile);
329 // At this point we must run the bibliography processor if needed.
330 // First, check if we're using biber instead of bibtex --
331 // biber writes no info to the aux file, so we just check
332 // if a bcf file exists (and if it was updated).
333 FileName const bcffile(changeExtension(file.absFileName(), ".bcf"));
334 biber |= head.exist(bcffile);
336 // If (scanres & UNDEF_CIT || scanres & RERUN || run_bibtex)
337 // We do not run bibtex/biber on an "includeall" call (whose purpose is
338 // to set up/maintain counters and references for includeonly) since
339 // (1) bibliographic references will be updated on the subsequent includeonly run
340 // (2) this would trigger a complete run each time (as references in non-included
341 // children are removed on subsequent includeonly runs)
342 if (!runparams.includeall && (scanres & UNDEF_CIT || run_bibtex)) {
343 // Here we must scan the .aux file and look for
344 // "\bibdata" and/or "\bibstyle". If one of those
345 // tags is found -> run bibtex and set rerun = true;
347 LYXERR(Debug::OUTFILE, "Running Bibliography Processor.");
348 message(_("Running Bibliography Processor."));
349 updateBibtexDependencies(head, bibtex_info);
351 rerun |= runBibTeX(bibtex_info, runparams, exit_code);
352 if (exit_code == Systemcall::KILLED || exit_code == Systemcall::TIMEOUT)
354 FileName const blgfile(changeExtension(file.absFileName(), ".blg"));
355 if (blgfile.exists())
356 bscanres = scanBlgFile(head, terr);
357 } else if (!had_depfile) {
358 /// If we run pdflatex on the file after running latex on it,
359 /// then we do not need to run bibtex, but we do need to
360 /// insert the .bib and .bst files into the .dep-pdf file.
361 updateBibtexDependencies(head, bibtex_info);
365 // We know on this point that latex has been run once (or we just
366 // returned) and the question now is to decide if we need to run
367 // it any more. This is done by asking if any of the files in the
368 // dependency file has changed. (remember that the checksum for
369 // a given file is reported to have changed if it just was created)
370 // -> if changed or rerun == true:
371 // run latex once more and
372 // update the dependency structure
373 // -> if not changed:
374 // we do nothing at this point
376 if (rerun || head.sumchange()) {
379 LYXERR(Debug::DEPEND, "Dep. file has changed or rerun requested");
380 LYXERR(Debug::OUTFILE, "Run #" << count);
381 message(runMessage(count));
382 int exit_code = startscript();
383 if (exit_code == Systemcall::KILLED || exit_code == Systemcall::TIMEOUT)
385 scanres = scanLogFile(terr);
387 // update the depedencies
388 deplog(head); // reads the latex log
391 LYXERR(Debug::DEPEND, "Dep. file has NOT changed");
395 // Rerun bibliography processor?
396 // Complex bibliography packages such as Biblatex require
397 // an additional bibtex cycle sometimes.
398 // We do not run bibtex/biber on an "includeall" call (whose purpose is
399 // to set up/maintain counters and references for includeonly) since
400 // (1) bibliographic references will be updated on the subsequent includeonly run
401 // (2) this would trigger a complete run each time (as references in non-included
402 // children are removed on subsequent includeonly runs)
403 if (!runparams.includeall && scanres & UNDEF_CIT) {
404 // Here we must scan the .aux file and look for
405 // "\bibdata" and/or "\bibstyle". If one of those
406 // tags is found -> run bibtex and set rerun = true;
408 LYXERR(Debug::OUTFILE, "Re-Running Bibliography Processor.");
409 message(_("Re-Running Bibliography Processor."));
410 updateBibtexDependencies(head, bibtex_info);
412 rerun |= runBibTeX(bibtex_info, runparams, exit_code);
413 if (exit_code == Systemcall::KILLED || exit_code == Systemcall::TIMEOUT)
415 FileName const blgfile(changeExtension(file.absFileName(), ".blg"));
416 if (blgfile.exists())
417 bscanres = scanBlgFile(head, terr);
421 // After the bibliography was processed, we need more passes of LaTeX
422 // in order to resolve the citations. We need to do this before the index
423 // is being generated (since we need the correct pagination, see #2696).
424 // With bibliography environment, another LaTeX run might be needed
425 // as well to resolve citations.
426 // Also, memoir (at least) writes an empty *idx file in the first place.
427 // A further latex run is needed in that case as well.
428 FileName const idxfile(changeExtension(file.absFileName(), ".idx"));
429 if (run_bibtex || (scanres & UNDEF_CIT) || (idxfile.exists() && idxfile.isFileEmpty())) {
430 while ((head.sumchange() || rerun || (scanres & RERUN) || (scanres & UNDEF_CIT))
431 && count < MAX_RUN) {
432 // Yes rerun until message goes away, or until
433 // MAX_RUNS are reached.
436 LYXERR(Debug::OUTFILE, "Run #" << count);
437 message(runMessage(count));
439 scanres = scanLogFile(terr);
447 // Now that we have final pagination, run the index and nomencl processors
448 if (idxfile.exists()) {
450 LYXERR(Debug::OUTFILE, "Running Index Processor.");
451 message(_("Running Index Processor."));
452 // onlyFileName() is needed for cygwin
454 runMakeIndex(onlyFileName(idxfile.absFileName()), runparams);
455 if (ret == Systemcall::KILLED || ret == Systemcall::TIMEOUT)
457 else if (ret != Systemcall::OK) {
458 iscanres |= INDEX_ERROR;
460 _("Index Processor Error"),
461 _("The index processor did not run successfully. "
462 "Please check the output of View > Messages Pane!"));
464 FileName const ilgfile(changeExtension(file.absFileName(), ".ilg"));
465 if (ilgfile.exists())
466 iscanres = scanIlgFile(terr);
470 int const ret = runMakeIndexNomencl(file, ".nlo", ".nls");
471 if (ret == Systemcall::KILLED || ret == Systemcall::TIMEOUT)
475 if (run_nomencl_glo) {
476 int const ret = runMakeIndexNomencl(file, ".glo", ".gls");
483 // We will re-run latex if the log file asks for it,
484 // or if the sumchange() is true.
485 // -> rerun asked for:
487 // remake the dependency file
488 // goto 2 or return if max runs are reached.
489 // -> rerun not asked for:
490 // just return (fall out of bottom of func)
492 while ((head.sumchange() || rerun || (scanres & RERUN))
493 && count < MAX_RUN) {
494 // Yes rerun until message goes away, or until
495 // MAX_RUNS are reached.
498 LYXERR(Debug::OUTFILE, "Run #" << count);
499 message(runMessage(count));
501 scanres = scanLogFile(terr);
507 // Write the dependencies to file.
511 // add flag here, just before return, instead of when exit_code
512 // is defined because scanres is sometimes overwritten above
514 scanres |= NONZERO_ERROR;
517 LYXERR(Debug::OUTFILE, "Done.");
519 if (bscanres & ERRORS)
520 return bscanres; // return on error
522 if (iscanres & ERRORS)
523 return iscanres; // return on error
529 int LaTeX::startscript()
531 // onlyFileName() is needed for cygwin
532 string tmp = cmd + ' '
533 + quoteName(onlyFileName(file.toFilesystemEncoding()))
534 + " > " + os::nulldev();
536 Systemcall::Starttype const starttype =
537 allow_cancel ? Systemcall::WaitLoop : Systemcall::Wait;
538 return one.startscript(starttype, tmp, path, lpath, true);
542 int LaTeX::runMakeIndex(string const & f, OutputParams const & rp,
543 string const & params)
545 string tmp = rp.use_japanese ?
546 lyxrc.jindex_command : lyxrc.index_command;
548 if (!rp.index_command.empty())
549 tmp = rp.index_command;
551 Language const * doc_lang = languages.getLanguage(rp.document_language);
553 if (contains(tmp, "$$x")) {
554 // This adds appropriate [te]xindy options
555 // such as language and codepage (for the
556 // main document language/encoding) as well
557 // as input markup (latex or xelatex)
558 string xdyopts = doc_lang ? doc_lang->xindy() : string();
559 if (!xdyopts.empty())
560 xdyopts = "-L " + xdyopts;
561 if (rp.isFullUnicode() && rp.encoding->package() == Encoding::none) {
562 if (!xdyopts.empty())
564 // xelatex includes lualatex
565 xdyopts += "-I xelatex";
567 else if (rp.encoding->iconvName() == "UTF-8") {
568 if (!xdyopts.empty())
570 // -I not really needed for texindy, but for xindy
571 xdyopts += "-C utf8 -I latex";
574 if (!xdyopts.empty())
576 // not really needed for texindy, but for xindy
577 xdyopts += "-I latex";
579 tmp = subst(tmp, "$$x", xdyopts);
582 if (contains(tmp, "$$b")) {
583 // advise xindy to write a log file
584 tmp = subst(tmp, "$$b", removeExtension(f));
587 LYXERR(Debug::OUTFILE,
588 "idx file has been made, running index processor ("
589 << tmp << ") on file " << f);
592 tmp = subst(tmp, "$$lang", doc_lang->babel());
593 tmp = subst(tmp, "$$lcode", doc_lang->code());
595 if (rp.use_indices) {
596 tmp = lyxrc.splitindex_command + " -m " + quoteName(tmp);
597 LYXERR(Debug::OUTFILE,
598 "Multiple indices. Using splitindex command: " << tmp);
604 Systemcall::Starttype const starttype =
605 allow_cancel ? Systemcall::WaitLoop : Systemcall::Wait;
606 return one.startscript(starttype, tmp, path, lpath, true);
610 int LaTeX::runMakeIndexNomencl(FileName const & fname,
611 string const & nlo, string const & nls)
613 LYXERR(Debug::OUTFILE, "Running Nomenclature Processor.");
614 message(_("Running Nomenclature Processor."));
615 string tmp = lyxrc.nomencl_command + ' ';
616 // onlyFileName() is needed for cygwin
617 tmp += quoteName(onlyFileName(changeExtension(fname.absFileName(), nlo)));
619 + onlyFileName(changeExtension(fname.toFilesystemEncoding(), nls));
621 Systemcall::Starttype const starttype =
622 allow_cancel ? Systemcall::WaitLoop : Systemcall::Wait;
623 return one.startscript(starttype, tmp, path, lpath, true);
627 vector<AuxInfo> const
628 LaTeX::scanAuxFiles(FileName const & fname, bool const only_childbibs)
630 vector<AuxInfo> result;
632 // With chapterbib, we have to bibtex all children's aux files
633 // but _not_ the master's!
634 if (only_childbibs) {
635 for (string const &s: children) {
637 makeAbsPath(s, fname.onlyPath().realPath());
638 fn.changeExtension("aux");
640 result.push_back(scanAuxFile(fn));
645 result.push_back(scanAuxFile(fname));
647 // This is for bibtopic
648 string const basename = removeExtension(fname.absFileName());
649 for (int i = 1; i < 1000; ++i) {
650 FileName const file2(basename
651 + '.' + convert<string>(i)
655 result.push_back(scanAuxFile(file2));
661 AuxInfo const LaTeX::scanAuxFile(FileName const & fname)
664 result.aux_file = fname;
665 scanAuxFile(fname, result);
670 void LaTeX::scanAuxFile(FileName const & fname, AuxInfo & aux_info)
672 LYXERR(Debug::OUTFILE, "Scanning aux file: " << fname);
674 ifstream ifs(fname.toFilesystemEncoding().c_str());
676 static regex const reg1("\\\\citation\\{([^}]+)\\}");
677 static regex const reg2("\\\\bibdata\\{([^}]+)\\}");
678 static regex const reg3("\\\\bibstyle\\{([^}]+)\\}");
679 static regex const reg4("\\\\@input\\{([^}]+)\\}");
681 while (getline(ifs, token)) {
682 token = rtrim(token, "\r");
684 // FIXME UNICODE: We assume that citation keys and filenames
685 // in the aux file are in the file system encoding.
686 token = to_utf8(from_filesystem8bit(token));
687 if (regex_match(token, sub, reg1)) {
688 string data = sub.str(1);
689 while (!data.empty()) {
691 data = split(data, citation, ',');
692 LYXERR(Debug::OUTFILE, "Citation: " << citation);
693 aux_info.citations.insert(citation);
695 } else if (regex_match(token, sub, reg2)) {
696 string data = sub.str(1);
697 // data is now all the bib files separated by ','
698 // get them one by one and pass them to the helper
699 while (!data.empty()) {
701 data = split(data, database, ',');
702 database = changeExtension(database, "bib");
703 LYXERR(Debug::OUTFILE, "BibTeX database: `" << database << '\'');
704 aux_info.databases.insert(database);
706 } else if (regex_match(token, sub, reg3)) {
707 string style = sub.str(1);
708 // token is now the style file
709 // pass it to the helper
710 style = changeExtension(style, "bst");
711 LYXERR(Debug::OUTFILE, "BibTeX style: `" << style << '\'');
712 aux_info.styles.insert(style);
713 } else if (regex_match(token, sub, reg4)) {
714 string const file2 = sub.str(1);
715 scanAuxFile(makeAbsPath(file2), aux_info);
721 void LaTeX::updateBibtexDependencies(DepTable & dep,
722 vector<AuxInfo> const & bibtex_info)
724 // Since a run of Bibtex mandates more latex runs it is ok to
725 // remove all ".bib" and ".bst" files.
726 dep.remove_files_with_extension(".bib");
727 dep.remove_files_with_extension(".bst");
728 //string aux = OnlyFileName(ChangeExtension(file, ".aux"));
730 for (vector<AuxInfo>::const_iterator it = bibtex_info.begin();
731 it != bibtex_info.end(); ++it) {
732 for (set<string>::const_iterator it2 = it->databases.begin();
733 it2 != it->databases.end(); ++it2) {
734 FileName const file = findtexfile(*it2, "bib");
736 dep.insert(file, true);
739 for (set<string>::const_iterator it2 = it->styles.begin();
740 it2 != it->styles.end(); ++it2) {
741 FileName const file = findtexfile(*it2, "bst");
743 dep.insert(file, true);
747 // biber writes nothing into the aux file.
748 // Instead, we have to scan the blg file
751 scanBlgFile(dep, terr);
756 bool LaTeX::runBibTeX(vector<AuxInfo> const & bibtex_info,
757 OutputParams const & rp, int & exit_code)
761 for (vector<AuxInfo>::const_iterator it = bibtex_info.begin();
762 it != bibtex_info.end(); ++it) {
763 if (!biber && it->databases.empty())
767 string tmp = rp.bibtex_command;
769 // onlyFileName() is needed for cygwin
770 tmp += quoteName(onlyFileName(removeExtension(
771 it->aux_file.absFileName())));
773 Systemcall::Starttype const starttype =
774 allow_cancel ? Systemcall::WaitLoop : Systemcall::Wait;
775 exit_code = one.startscript(starttype, tmp, path, lpath, true);
780 // Return whether bibtex was run
785 //helper func for scanLogFile; gets line number X from strings "... on input line X ..."
786 //returns 0 if none is found
787 int getLineNumber(const string &token){
788 string l = support::token(token, ' ', tokenPos(token,' ',"line") + 1);
789 return l.empty() ? 0 : convert<int>(l);
793 int LaTeX::scanLogFile(TeXErrors & terr)
797 int retval = NO_ERRORS;
799 onlyFileName(changeExtension(file.absFileName(), ".log"));
800 LYXERR(Debug::OUTFILE, "Log file: " << tmp);
801 FileName const fn = makeAbsPath(tmp);
802 // FIXME we should use an ifdocstream here and a docstring for token
803 // below. The encoding of the log file depends on the _output_ (font)
804 // encoding of the TeX file (T1, TU etc.). See #10728.
805 ifstream ifs(fn.toFilesystemEncoding().c_str());
806 bool fle_style = false;
807 static regex const file_line_error(".+\\.\\D+:[0-9]+: (.+)");
808 static regex const child_file("[^0-9]*([0-9]+[A-Za-z]*_.+\\.tex).*");
809 static regex const undef_ref(".*Reference `(\\w+)\\' on page.*");
810 // Flag for 'File ended while scanning' message.
811 // We need to wait for subsequent processing.
812 string wait_for_error;
815 stack <pair<string, int> > child;
822 while (getline(ifs, token)) {
823 // MikTeX sometimes inserts \0 in the log file. They can't be
824 // removed directly with the existing string utility
825 // functions, so convert them first to \r, and remove all
826 // \r's afterwards, since we need to remove them anyway.
827 token = subst(token, '\0', '\r');
828 token = subst(token, "\r", "");
831 LYXERR(Debug::OUTFILE, "Log line: " << token);
836 if (!ml_token.empty())
839 // Track child documents
840 for (size_t i = 0; i < token.length(); ++i) {
841 if (token[i] == '(') {
843 size_t j = token.find('(', i + 1);
844 size_t len = j == string::npos
845 ? token.substr(i + 1).length()
847 string const substr = token.substr(i + 1, len);
848 if (regex_match(substr, sub, child_file)) {
849 string const name = sub.str(1);
850 // Sometimes also masters have a name that matches
851 // (if their name starts with a number and _)
852 if (name != file.onlyFileName()) {
853 child.push(make_pair(name, pnest));
854 children.push_back(name);
858 } else if (token[i] == ')') {
860 && child.top().second == pnest)
865 child_name = child.empty() ? empty_string() : child.top().first;
867 if (contains(token, "file:line:error style messages enabled"))
870 //Handles both "LaTeX Warning:" & "Package natbib Warning:"
871 //Various handlers for missing citations below won't catch the problem if citation
872 //key is long (>~25chars), because pdflatex splits output at line length 80.
873 //TODO: TL 2020 engines will contain new commandline switch --cnf-line which we
874 //can use to set max_print_line variable for appropriate length and detect all
876 if (!runparams.includeall && (contains(token, "There were undefined citations.") ||
877 prefixIs(token, "Package biblatex Warning: The following entry could not be found")))
880 if (prefixIs(token, "LaTeX Warning:")
881 || prefixIs(token, "! pdfTeX warning")
882 || prefixIs(ml_token, "LaTeX Warning:")
883 || prefixIs(ml_token, "! pdfTeX warning")) {
884 // Here shall we handle different
886 retval |= LATEX_WARNING;
887 LYXERR(Debug::OUTFILE, "LaTeX Warning.");
888 if (contains(token, "Rerun to get cross-references")) {
890 LYXERR(Debug::OUTFILE, "We should rerun.");
891 // package clefval needs 2 latex runs before bibtex
892 } else if (contains(token, "Value of")
893 && contains(token, "on page")
894 && contains(token, "undefined")) {
895 retval |= ERROR_RERUN;
896 LYXERR(Debug::OUTFILE, "Force rerun.");
898 } else if (contains(token, "Etaremune labels have changed")) {
899 retval |= ERROR_RERUN;
900 LYXERR(Debug::OUTFILE, "Force rerun.");
902 } else if (contains(token, "Endnotes may have changed. Rerun")) {
904 LYXERR(Debug::OUTFILE, "We should rerun.");
905 //"Citation `cit' on page X undefined on input line X."
906 } else if (!runparams.includeall && contains(token, "Citation")
907 //&& contains(token, "on input line") //often split to newline
908 && contains(token, "undefined")) {
910 terr.insertRef(getLineNumber(token), from_ascii("Citation undefined"),
911 from_utf8(token), child_name);
912 //"Reference `X' on page Y undefined on input line Z."
913 // This warning might be broken accross multiple lines with long labels.
914 // Thus we check that
915 } else if (contains(token, "Reference `") && !contains(token, "on input line")) {
916 // Rest of warning in next line(s)
919 } else if (!ml_token.empty() && contains(ml_token, "Reference `")
920 && !contains(ml_token, "on input line")) {
921 // not finished yet. Continue with next line.
923 } else if (!ml_token.empty() && contains(ml_token, "Reference `")
924 && contains(ml_token, "on input line")) {
925 // We have collected the whole warning now.
926 if (!contains(ml_token, "undefined")) {
927 // Not the warning we are looking for
931 if (regex_match(ml_token, sub, undef_ref)) {
932 string const ref = sub.str(1);
933 Buffer const * buf = theBufferList().getBufferFromTmp(file.absFileName());
934 if (!buf || !buf->masterBuffer()->activeLabel(from_utf8(ref))) {
935 terr.insertRef(getLineNumber(ml_token), from_ascii("Reference undefined"),
936 from_utf8(ml_token), child_name);
937 retval |= UNDEF_UNKNOWN_REF;
942 } else if (contains(token, "Reference `")
943 && contains(token, "on input line")
944 && contains(token, "undefined")) {
945 if (regex_match(token, sub, undef_ref)) {
946 string const ref = sub.str(1);
947 Buffer const * buf = theBufferList().getBufferFromTmp(file.absFileName());
948 if (!buf || !buf->masterBuffer()->activeLabel(from_utf8(ref))) {
949 terr.insertRef(getLineNumber(token), from_ascii("Reference undefined"),
950 from_utf8(token), child_name);
951 retval |= UNDEF_UNKNOWN_REF;
955 // In case the above checks fail we catch at least this generic statement
956 // occuring for both CIT & REF.
957 } else if (!runparams.includeall && contains(token, "There were undefined references.")) {
958 if (!(retval & UNDEF_CIT)) //if not handled already
962 } else if (prefixIs(token, "Package")) {
964 retval |= PACKAGE_WARNING;
965 if (contains(token, "natbib Warning:")) {
967 if (!runparams.includeall
968 && contains(token, "Citation")
969 && contains(token, "on page")
970 && contains(token, "undefined")) {
972 //Unf only keys up to ~6 chars will make it due to line splits
973 terr.insertRef(getLineNumber(token), from_ascii("Citation undefined"),
974 from_utf8(token), child_name);
976 } else if (!runparams.includeall && contains(token, "run BibTeX")) {
978 } else if (!runparams.includeall && contains(token, "run Biber")) {
981 } else if (contains(token, "Rerun LaTeX") ||
982 contains(token, "Please rerun LaTeX") ||
983 contains(token, "Rerun to get")) {
984 // at least longtable.sty and bibtopic.sty
986 LYXERR(Debug::OUTFILE, "We should rerun.");
989 } else if (prefixIs(token, "LETTRE WARNING:")) {
990 if (contains(token, "veuillez recompiler")) {
992 LYXERR(Debug::OUTFILE, "We should rerun.");
995 } else if (token[0] == '(') {
996 if (contains(token, "Rerun LaTeX") ||
997 contains(token, "Rerun to get")) {
999 LYXERR(Debug::OUTFILE, "We should rerun.");
1002 } else if (prefixIs(token, "! ")
1004 && regex_match(token, sub, file_line_error)
1005 && !contains(token, "pdfTeX warning"))) {
1006 // Ok, we have something that looks like a TeX Error
1007 // but what do we really have.
1009 // Just get the error description:
1011 if (prefixIs(token, "! "))
1012 desc = string(token, 2);
1015 if (contains(token, "LaTeX Error:"))
1016 retval |= LATEX_ERROR;
1018 if (prefixIs(token, "! File ended while scanning")) {
1019 if (prefixIs(token, "! File ended while scanning use of \\Hy@setref@link.")){
1020 // bug 7344. We must rerun LaTeX if hyperref has been toggled.
1021 retval |= ERROR_RERUN;
1022 LYXERR(Debug::OUTFILE, "Force rerun.");
1024 // bug 6445. At this point its not clear we finish with error.
1025 wait_for_error = desc;
1030 if (prefixIs(token, "! Incomplete \\if")) {
1031 // bug 10666. At this point its not clear we finish with error.
1032 wait_for_error = desc;
1036 if (prefixIs(token, "! Paragraph ended before \\Hy@setref@link was complete.")){
1037 // bug 7344. We must rerun LaTeX if hyperref has been toggled.
1038 retval |= ERROR_RERUN;
1039 LYXERR(Debug::OUTFILE, "Force rerun.");
1042 if (!wait_for_error.empty() && prefixIs(token, "! Emergency stop.")){
1043 retval |= LATEX_ERROR;
1046 errstr = wait_for_error;
1047 wait_for_error.clear();
1049 if (!getline(ifs, tmp))
1051 tmp = rtrim(tmp, "\r");
1052 errstr += "\n" + tmp;
1055 } while (!contains(tmp, "(job aborted"));
1058 from_ascii("Emergency stop"),
1059 from_local8bit(errstr),
1063 // get the next line
1065 // We also collect intermediate lines
1066 // This is needed for errors in preamble
1067 string intermediate;
1069 if (!getline(ifs, tmp))
1071 tmp = rtrim(tmp, "\r");
1072 if (!prefixIs(tmp, "l."))
1073 intermediate += tmp;
1074 // 15 is somewhat arbitrarily chosen, based on practice.
1075 // We used 10 for 14 years and increased it to 15 when we
1079 } while (!prefixIs(tmp, "l."));
1080 if (prefixIs(tmp, "l.")) {
1081 // we have a latex error
1082 retval |= TEX_ERROR;
1084 "Package babel Error: You haven't defined the language")
1086 "Package babel Error: You haven't loaded the option")
1088 "Package babel Error: Unknown language"))
1089 retval |= ERROR_RERUN;
1090 // get the line number:
1092 sscanf(tmp.c_str(), "l.%d", &line);
1093 // get the rest of the message:
1094 string errstr(tmp, tmp.find(' '));
1095 bool preamble_error = false;
1096 if (suffixIs(errstr, "\\begin{document}")) {
1097 // this is an error in preamble
1098 // the real error is in the
1099 // intermediate lines
1100 errstr = intermediate;
1102 preamble_error = true;
1106 tmp = rtrim(tmp, "\r");
1107 while (!contains(errstr, "l.")
1109 && !prefixIs(tmp, "! ")
1110 && !contains(tmp, "(job aborted")) {
1114 tmp = rtrim(tmp, "\r");
1117 // Add a note that the error is to be found in preamble
1118 errstr += "\n" + to_utf8(_("(NOTE: The erroneous command is in the preamble)"));
1119 LYXERR(Debug::OUTFILE, "line: " << line << '\n'
1120 << "Desc: " << desc << '\n' << "Text: " << errstr);
1121 if (line == last_line)
1127 if (line_count <= 5) {
1129 // We have no idea what the encoding of
1131 // It seems that the output from the
1132 // latex compiler itself is pure ASCII,
1133 // but it can include bits from the
1134 // document, so whatever encoding we
1135 // assume here it can be wrong.
1136 terr.insertError(line,
1137 from_local8bit(desc),
1138 from_local8bit(errstr),
1144 // information messages, TeX warnings and other
1145 // warnings we have not caught earlier.
1146 if (prefixIs(token, "Overfull ")) {
1147 retval |= TEX_WARNING;
1148 } else if (prefixIs(token, "Underfull ")) {
1149 retval |= TEX_WARNING;
1150 } else if (!runparams.includeall && contains(token, "Rerun to get citations")) {
1151 // Natbib seems to use this.
1152 retval |= UNDEF_CIT;
1153 } else if (contains(token, "No pages of output")
1154 || contains(token, "no pages of output")) {
1155 // No output file (e.g. the DVI or PDF) was created
1156 retval |= NO_OUTPUT;
1157 } else if (contains(token, "Error 256 (driver return code)")) {
1158 // This is a xdvipdfmx driver error reported by XeTeX.
1159 // We have to check whether an output PDF file was created.
1160 FileName pdffile = file;
1161 pdffile.changeExtension("pdf");
1162 if (!pdffile.exists())
1163 // No output PDF file was created (see #10076)
1164 retval |= NO_OUTPUT;
1165 } else if (contains(token, "That makes 100 errors")) {
1166 // More than 100 errors were reported
1167 retval |= TOO_MANY_ERRORS;
1168 } else if (prefixIs(token, "!pdfTeX error:")) {
1169 // otherwise we dont catch e.g.:
1170 // !pdfTeX error: pdflatex (file feyn10): Font feyn10 at 600 not found
1173 from_ascii("pdfTeX Error"),
1174 from_local8bit(token),
1176 } else if (!ignore_missing_glyphs
1177 && prefixIs(token, "Missing character: There is no ")
1178 && !contains(token, "nullfont")) {
1179 // Warning about missing glyph in selected font
1180 // may be dataloss (bug 9610)
1181 // but can be ignored for 'nullfont' (bug 10394).
1182 // as well as for ZERO WIDTH NON-JOINER (0x200C) which is
1183 // missing in many fonts and output for ligature break (bug 10727).
1184 // Since this error only occurs with utf8 output, we can safely assume
1185 // that the log file is utf8-encoded
1186 docstring const utoken = from_utf8(token);
1187 if (!contains(utoken, 0x200C)) {
1188 retval |= LATEX_ERROR;
1190 from_ascii("Missing glyphs!"),
1194 } else if (!wait_for_error.empty()) {
1195 // We collect information until we know we have an error.
1196 wait_for_error += token + '\n';
1200 LYXERR(Debug::OUTFILE, "Log line: " << token);
1207 bool insertIfExists(FileName const & absname, DepTable & head)
1209 if (absname.exists() && !absname.isDirectory()) {
1210 head.insert(absname, true);
1217 bool handleFoundFile(string const & ff, DepTable & head)
1219 // convert from native os path to unix path
1220 string foundfile = os::internal_path(trim(ff));
1222 LYXERR(Debug::DEPEND, "Found file: " << foundfile);
1224 // Ok now we found a file.
1225 // Now we should make sure that this is a file that we can
1226 // access through the normal paths.
1227 // We will not try any fancy search methods to
1230 // (1) foundfile is an
1231 // absolute path and should
1234 if (FileName::isAbsolute(foundfile)) {
1235 LYXERR(Debug::DEPEND, "AbsolutePath file: " << foundfile);
1236 // On initial insert we want to do the update at once
1237 // since this file cannot be a file generated by
1239 absname.set(foundfile);
1240 if (!insertIfExists(absname, head)) {
1242 string strippedfile = foundfile;
1243 while (contains(strippedfile, " ")) {
1244 // files with spaces are often enclosed in quotation
1245 // marks; those have to be removed
1246 string unquoted = subst(strippedfile, "\"", "");
1247 absname.set(unquoted);
1248 if (insertIfExists(absname, head))
1250 // strip off part after last space and try again
1251 string tmp = strippedfile;
1252 rsplit(tmp, strippedfile, ' ');
1253 absname.set(strippedfile);
1254 if (insertIfExists(absname, head))
1260 string onlyfile = onlyFileName(foundfile);
1261 absname = makeAbsPath(onlyfile);
1264 while (contains(foundfile, ' ')) {
1265 if (absname.exists())
1269 // files with spaces are often enclosed in quotation
1270 // marks; those have to be removed
1271 string unquoted = subst(foundfile, "\"", "");
1272 absname = makeAbsPath(unquoted);
1273 if (absname.exists())
1275 // strip off part after last space and try again
1276 string strippedfile;
1277 rsplit(foundfile, strippedfile, ' ');
1278 foundfile = strippedfile;
1279 onlyfile = onlyFileName(strippedfile);
1280 absname = makeAbsPath(onlyfile);
1284 // (2) foundfile is in the tmpdir
1285 // insert it into head
1286 if (absname.exists() && !absname.isDirectory()) {
1287 // FIXME: This regex contained glo, but glo is used by the old
1288 // version of nomencl.sty. Do we need to put it back?
1289 static regex const unwanted("^.*\\.(aux|log|dvi|bbl|ind)$");
1290 if (regex_match(onlyfile, unwanted)) {
1291 LYXERR(Debug::DEPEND, "We don't want " << onlyfile
1292 << " in the dep file");
1293 } else if (suffixIs(onlyfile, ".tex")) {
1294 // This is a tex file generated by LyX
1295 // and latex is not likely to change this
1297 LYXERR(Debug::DEPEND, "Tmpdir TeX file: " << onlyfile);
1298 head.insert(absname, true);
1300 LYXERR(Debug::DEPEND, "In tmpdir file:" << onlyfile);
1301 head.insert(absname);
1305 LYXERR(Debug::DEPEND, "Not a file or we are unable to find it.");
1311 bool completeFilename(string const & ff, DepTable & head)
1313 // If we do not find a dot, we suspect
1314 // a fragmental file name
1315 if (!contains(ff, '.'))
1318 // if we have a dot, we let handleFoundFile decide
1319 return handleFoundFile(ff, head);
1323 int iterateLine(string const & token, regex const & reg, string const & opening,
1324 string const & closing, int fragment_pos, DepTable & head)
1327 string::const_iterator first = token.begin();
1328 string::const_iterator end = token.end();
1329 bool fragment = false;
1332 while (regex_search(first, end, what, reg)) {
1333 // if we have a dot, try to handle as file
1334 if (contains(what.str(1), '.')) {
1335 first = what[0].second;
1336 if (what.str(2) == closing) {
1337 handleFoundFile(what.str(1), head);
1338 // since we had a closing bracket,
1339 // do not investigate further
1341 } else if (what.str(2) == opening) {
1342 // if we have another opening bracket,
1343 // we might have a nested file chain
1344 // as is (file.ext (subfile.ext))
1345 fragment = !handleFoundFile(rtrim(what.str(1)), head);
1346 // decrease first position by one in order to
1347 // consider the opening delimiter on next iteration
1348 if (first > token.begin())
1351 // if we have no closing bracket,
1352 // try to handle as file nevertheless
1353 fragment = !handleFoundFile(
1354 what.str(1) + what.str(2), head);
1356 // if we do not have a dot, check if the line has
1357 // a closing bracket (else, we suspect a line break)
1358 else if (what.str(2) != closing) {
1359 first = what[0].second;
1362 // we have a closing bracket, so the content
1363 // is not a file name.
1364 // no need to investigate further
1365 first = what[0].second;
1368 last_match = what.str(1);
1371 // We need to consider the result from previous line iterations:
1372 // We might not find a fragment here, but another one might follow
1373 // E.g.: (filename.ext) <filenam
1374 // Vice versa, we consider the search completed if a real match
1375 // follows a potential fragment from a previous iteration.
1376 // E.g. <some text we considered a fragment (filename.ext)
1377 // result = -1 means we did not find a fragment!
1379 int last_match_pos = -1;
1380 if (!last_match.empty() && token.find(last_match) != string::npos)
1381 last_match_pos = int(token.find(last_match));
1383 if (last_match_pos > fragment_pos)
1384 result = last_match_pos;
1386 result = fragment_pos;
1388 if (last_match_pos < fragment_pos)
1389 result = fragment_pos;
1397 void LaTeX::deplog(DepTable & head)
1399 // This function reads the LaTeX log file end extracts all the
1400 // external files used by the LaTeX run. The files are then
1401 // entered into the dependency file.
1403 string const logfile =
1404 onlyFileName(changeExtension(file.absFileName(), ".log"));
1406 static regex const reg1("File: (.+).*");
1407 static regex const reg2("No file (.+)(.).*");
1408 static regex const reg3a("\\\\openout[0-9]+.*=.*`(.+)(..).*");
1409 // LuaTeX has a slightly different output
1410 static regex const reg3b("\\\\openout[0-9]+.*=\\s*(.+)");
1411 // If an index should be created, MikTex does not write a line like
1412 // \openout# = 'sample.idx'.
1413 // but instead only a line like this into the log:
1414 // Writing index file sample.idx
1415 static regex const reg4("Writing index file (.+).*");
1416 static regex const regoldnomencl("Writing glossary file (.+).*");
1417 static regex const regnomencl(".*Writing nomenclature file (.+).*");
1418 // If a toc should be created, MikTex does not write a line like
1419 // \openout# = `sample.toc'.
1420 // but only a line like this into the log:
1422 // This line is also written by tetex.
1423 // This line is not present if no toc should be created.
1424 static regex const miktexTocReg("\\\\tf@toc=\\\\write.*");
1425 // file names can be enclosed in <...> (anywhere on the line)
1426 static regex const reg5(".*<[^>]+.*");
1427 // and also (...) anywhere on the line
1428 static regex const reg6(".*\\([^)]+.*");
1430 FileName const fn = makeAbsPath(logfile);
1431 ifstream ifs(fn.toFilesystemEncoding().c_str());
1434 // Ok, the scanning of files here is not sufficient.
1435 // Sometimes files are named by "File: xxx" only
1436 // Therefore we use some regexps to find files instead.
1437 // Note: all file names and paths might contains spaces.
1438 // Also, file names might be broken across lines. Therefore
1439 // we mark (potential) fragments and merge those lines.
1440 bool fragment = false;
1442 getline(ifs, token);
1443 // MikTeX sometimes inserts \0 in the log file. They can't be
1444 // removed directly with the existing string utility
1445 // functions, so convert them first to \r, and remove all
1446 // \r's afterwards, since we need to remove them anyway.
1447 token = subst(token, '\0', '\r');
1448 token = subst(token, "\r", "");
1449 if (token.empty() || token == ")") {
1450 lastline = string();
1454 // FIXME UNICODE: We assume that the file names in the log
1455 // file are in the file system encoding.
1456 token = to_utf8(from_filesystem8bit(token));
1458 // Sometimes, filenames are broken across lines.
1459 // We care for that and save suspicious lines.
1460 // Here we exclude some cases where we are sure
1461 // that there is no continued filename
1462 if (!lastline.empty()) {
1463 static regex const package_info("Package \\w+ Info: .*");
1464 static regex const package_warning("Package \\w+ Warning: .*");
1465 if (prefixIs(token, "File:") || prefixIs(token, "(Font)")
1466 || prefixIs(token, "Package:")
1467 || prefixIs(token, "Language:")
1468 || prefixIs(token, "LaTeX Info:")
1469 || prefixIs(token, "LaTeX Font Info:")
1470 || prefixIs(token, "\\openout[")
1471 || prefixIs(token, "))")
1472 || regex_match(token, package_info)
1473 || regex_match(token, package_warning))
1474 lastline = string();
1477 if (!lastline.empty())
1478 // probably a continued filename from last line
1479 token = lastline + token;
1480 if (token.length() > 255) {
1481 // string too long. Cut off.
1482 token.erase(0, token.length() - 251);
1487 // (1) "File: file.ext"
1488 if (regex_match(token, sub, reg1)) {
1489 // is this a fragmental file name?
1490 fragment = !completeFilename(sub.str(1), head);
1492 if (suffixIs(token, ")"))
1493 // no fragment for sure
1495 // (2) "No file file.ext"
1496 } else if (regex_match(token, sub, reg2)) {
1497 // file names must contains a dot, line ends with dot
1498 if (contains(sub.str(1), '.') && sub.str(2) == ".")
1499 fragment = !handleFoundFile(sub.str(1), head);
1501 // we suspect a line break
1503 // (3)(a) "\openout<nr> = `file.ext'."
1504 } else if (regex_match(token, sub, reg3a)) {
1505 // search for closing '. at the end of the line
1506 if (sub.str(2) == "\'.")
1507 fragment = !handleFoundFile(sub.str(1), head);
1509 // potential fragment
1511 // (3)(b) "\openout<nr> = file.ext" (LuaTeX)
1512 } else if (regex_match(token, sub, reg3b)) {
1513 // file names must contains a dot
1514 if (contains(sub.str(1), '.'))
1515 fragment = !handleFoundFile(sub.str(1), head);
1517 // potential fragment
1519 // (4) "Writing index file file.ext"
1520 } else if (regex_match(token, sub, reg4))
1521 // fragmential file name?
1522 fragment = !completeFilename(sub.str(1), head);
1523 // (5) "Writing nomenclature file file.ext"
1524 else if (regex_match(token, sub, regnomencl) ||
1525 regex_match(token, sub, regoldnomencl))
1526 // fragmental file name?
1527 fragment= !completeFilename(sub.str(1), head);
1528 // (6) "\tf@toc=\write<nr>" (for MikTeX)
1529 else if (regex_match(token, sub, miktexTocReg))
1530 fragment = !handleFoundFile(onlyFileName(changeExtension(
1531 file.absFileName(), ".toc")), head);
1533 // not found, but we won't check further
1536 int fragment_pos = -1;
1538 // We can have several of these on one line
1539 // (and in addition to those above)
1540 if (regex_match(token, sub, reg5)) {
1541 // search for strings in <...>
1542 static regex const reg5_1("<([^>]+)(.)");
1543 fragment_pos = iterateLine(token, reg5_1, "<", ">",
1544 fragment_pos, head);
1545 fragment = (fragment_pos != -1);
1549 // We can have several of these on one line
1550 // this must be queried separated, because of
1551 // cases such as "File: file.ext (type eps)"
1552 // where "File: file.ext" would be skipped
1553 if (regex_match(token, sub, reg6)) {
1554 // search for strings in (...)
1555 static regex const reg6_1("\\(([^()]+)(.)");
1556 fragment_pos = iterateLine(token, reg6_1, "(", ")",
1557 fragment_pos, head);
1558 fragment = (fragment_pos != -1);
1562 // probable linebreak within file name:
1566 // no linebreak: reset
1567 lastline = string();
1570 // Make sure that the main .tex file is in the dependency file.
1571 head.insert(file, true);
1575 int LaTeX::scanBlgFile(DepTable & dep, TeXErrors & terr)
1577 FileName const blg_file(changeExtension(file.absFileName(), "blg"));
1578 LYXERR(Debug::OUTFILE, "Scanning blg file: " << blg_file);
1580 ifstream ifs(blg_file.toFilesystemEncoding().c_str());
1582 static regex const reg1(".*Found (bibtex|BibTeX) data (file|source) '([^']+).*");
1583 static regex const bibtexError("^(.*---line [0-9]+ of file).*$");
1584 static regex const bibtexError2("^(.*---while reading file).*$");
1585 static regex const bibtexError3("(A bad cross reference---).*");
1586 static regex const bibtexError4("(Sorry---you've exceeded BibTeX's).*");
1587 static regex const bibtexError5("\\*Please notify the BibTeX maintainer\\*");
1588 static regex const biberError("^.*> (FATAL|ERROR) - (.*)$");
1589 int retval = NO_ERRORS;
1592 while (getline(ifs, token)) {
1593 token = rtrim(token, "\r");
1595 // FIXME UNICODE: We assume that citation keys and filenames
1596 // in the aux file are in the file system encoding.
1597 token = to_utf8(from_filesystem8bit(token));
1598 if (regex_match(token, sub, reg1)) {
1599 string data = sub.str(3);
1600 if (!data.empty()) {
1601 LYXERR(Debug::OUTFILE, "Found bib file: " << data);
1602 handleFoundFile(data, dep);
1605 else if (regex_match(token, sub, bibtexError)
1606 || regex_match(token, sub, bibtexError2)
1607 || regex_match(token, sub, bibtexError4)
1608 || regex_match(token, sub, bibtexError5)) {
1609 retval |= BIBTEX_ERROR;
1610 string errstr = N_("BibTeX error: ") + token;
1612 if ((prefixIs(token, "while executing---line")
1613 || prefixIs(token, "---line ")
1614 || prefixIs(token, "*Please notify the BibTeX"))
1615 && !prevtoken.empty()) {
1616 errstr = N_("BibTeX error: ") + prevtoken;
1617 msg = prevtoken + '\n';
1621 from_local8bit(errstr),
1622 from_local8bit(msg));
1623 } else if (regex_match(prevtoken, sub, bibtexError3)) {
1624 retval |= BIBTEX_ERROR;
1625 string errstr = N_("BibTeX error: ") + prevtoken;
1626 string msg = prevtoken + '\n' + token;
1628 from_local8bit(errstr),
1629 from_local8bit(msg));
1630 } else if (regex_match(token, sub, biberError)) {
1631 retval |= BIBTEX_ERROR;
1632 string errstr = N_("Biber error: ") + sub.str(2);
1634 from_local8bit(errstr),
1635 from_local8bit(token));
1643 int LaTeX::scanIlgFile(TeXErrors & terr)
1645 FileName const ilg_file(changeExtension(file.absFileName(), "ilg"));
1646 LYXERR(Debug::OUTFILE, "Scanning ilg file: " << ilg_file);
1648 ifstream ifs(ilg_file.toFilesystemEncoding().c_str());
1650 int retval = NO_ERRORS;
1653 while (getline(ifs, token)) {
1654 token = rtrim(token, "\r");
1655 if (prefixIs(token, "!! "))
1657 else if (!prevtoken.empty()) {
1658 retval |= INDEX_ERROR;
1659 string errstr = N_("Makeindex error: ") + prevtoken;
1660 string msg = prevtoken + '\n';
1663 from_local8bit(errstr),
1664 from_local8bit(msg));
1666 } else if (prefixIs(token, "ERROR: ")) {
1667 retval |= BIBTEX_ERROR;
1668 string errstr = N_("Xindy error: ") + token.substr(6);
1670 from_local8bit(errstr),
1671 from_local8bit(token));