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.
18 #include "BufferList.h"
24 #include "support/debug.h"
25 #include "support/convert.h"
26 #include "support/FileName.h"
27 #include "support/filetools.h"
28 #include "support/gettext.h"
29 #include "support/lstrings.h"
30 #include "support/Systemcall.h"
31 #include "support/os.h"
33 #include "support/regex.h"
40 using namespace lyx::support;
44 namespace os = support::os;
46 // TODO: in no particular order
47 // - get rid of the call to
48 // BufferList::updateIncludedTeXfiles, this should either
49 // be done before calling LaTeX::funcs or in a completely
51 // - the makeindex style files should be taken care of with
52 // the dependency mechanism.
56 docstring runMessage(unsigned int count)
58 return bformat(_("Waiting for LaTeX run number %1$d"), count);
67 void TeXErrors::insertError(int line, docstring const & error_desc,
68 docstring const & error_text,
69 string const & child_name)
71 Error newerr(line, error_desc, error_text, child_name);
72 errors.push_back(newerr);
76 bool operator==(AuxInfo const & a, AuxInfo const & o)
78 return a.aux_file == o.aux_file
79 && a.citations == o.citations
80 && a.databases == o.databases
81 && a.styles == o.styles;
85 bool operator!=(AuxInfo const & a, AuxInfo const & o)
95 LaTeX::LaTeX(string const & latex, OutputParams const & rp,
96 FileName const & f, string const & p, string const & lp,
97 bool allow_cancellation, bool const clean_start)
98 : cmd(latex), file(f), path(p), lpath(lp), runparams(rp), biber(false),
99 allow_cancel(allow_cancellation)
102 // lualatex can still produce a DVI with --output-format=dvi. However,
103 // we do not use that internally (we use the "dvilualatex" command) so
104 // it would only happen from a custom converter. Thus, it is better to
105 // guess that lualatex produces a PDF than to guess a DVI.
106 // FIXME we should base the extension on the output format, which we should
107 // get in a robust way, e.g. from the converter.
108 if (prefixIs(cmd, "pdf") || prefixIs(cmd, "lualatex") || prefixIs(cmd, "xelatex")) {
109 depfile = FileName(file.absFileName() + ".dep-pdf");
111 FileName(changeExtension(file.absFileName(), ".pdf"));
113 depfile = FileName(file.absFileName() + ".dep");
115 FileName(changeExtension(file.absFileName(), ".dvi"));
118 removeAuxiliaryFiles();
122 void LaTeX::removeAuxiliaryFiles() const
124 // Note that we do not always call this function when there is an error.
125 // For example, if there is an error but an output file is produced we
126 // still would like to output (export/view) the file.
128 // What files do we have to delete?
130 // This will at least make latex do all the runs
131 depfile.removeFile();
133 // but the reason for the error might be in a generated file...
136 FileName const bbl(changeExtension(file.absFileName(), ".bbl"));
140 FileName const bcf(changeExtension(file.absFileName(), ".bcf"));
144 FileName const ind(changeExtension(file.absFileName(), ".ind"));
148 FileName const nls(changeExtension(file.absFileName(), ".nls"));
151 // nomencl file (old version of the package)
152 FileName const gls(changeExtension(file.absFileName(), ".gls"));
155 // Also remove the aux file
156 FileName const aux(changeExtension(file.absFileName(), ".aux"));
159 // Also remove the .out file (e.g. hyperref bookmarks) (#9963)
160 FileName const out(changeExtension(file.absFileName(), ".out"));
163 // Remove the output file, which is often generated even if error
164 output_file.removeFile();
168 int LaTeX::run(TeXErrors & terr)
169 // We know that this function will only be run if the lyx buffer
170 // has been changed. We also know that a newly written .tex file
171 // is always different from the previous one because of the date
172 // in it. However it seems safe to run latex (at least) one time
173 // each time the .tex file changes.
175 int scanres = NO_ERRORS;
176 int bscanres = NO_ERRORS;
177 unsigned int count = 0; // number of times run
178 num_errors = 0; // just to make sure.
179 unsigned int const MAX_RUN = 6;
180 DepTable head; // empty head
181 bool rerun = false; // rerun requested
183 // The class LaTeX does not know the temp path.
184 theBufferList().updateIncludedTeXfiles(FileName::getcwd().absFileName(),
188 // first check if the file dependencies exist:
189 // ->If it does exist
190 // check if any of the files mentioned in it have
191 // changed (done using a checksum).
193 // run latex once and
194 // remake the dependency file
195 // -> if not changed:
196 // just return there is nothing to do for us.
197 // ->if it doesn't exist
199 // run latex once (we need to run latex once anyway) and
200 // remake the dependency file.
203 bool had_depfile = depfile.exists();
204 bool run_bibtex = false;
205 FileName const aux_file(changeExtension(file.absFileName(), ".aux"));
208 LYXERR(Debug::DEPEND, "Dependency file exists");
209 // Read the dep file:
210 had_depfile = head.read(depfile);
214 // Update the checksums
216 // Can't just check if anything has changed because it might
217 // have aborted on error last time... in which cas we need
218 // to re-run latex and collect the error messages
219 // (even if they are the same).
220 if (!output_file.exists()) {
221 LYXERR(Debug::DEPEND,
222 "re-running LaTeX because output file doesn't exist.");
223 } else if (!head.sumchange()) {
224 LYXERR(Debug::DEPEND, "return no_change");
227 LYXERR(Debug::DEPEND, "Dependency file has changed");
230 if (head.extchanged(".bib") || head.extchanged(".bst"))
233 LYXERR(Debug::DEPEND,
234 "Dependency file does not exist, or has wrong format");
236 /// We scan the aux file even when had_depfile = false,
237 /// because we can run pdflatex on the file after running latex on it,
238 /// in which case we will not need to run bibtex again.
239 vector<AuxInfo> bibtex_info_old;
241 bibtex_info_old = scanAuxFiles(aux_file, runparams.only_childbibs);
244 LYXERR(Debug::LATEX, "Run #" << count);
245 message(runMessage(count));
247 int exit_code = startscript();
248 if (exit_code == Systemcall::KILLED)
249 return Systemcall::KILLED;
251 scanres = scanLogFile(terr);
252 if (scanres & ERROR_RERUN) {
253 LYXERR(Debug::LATEX, "Rerunning LaTeX");
255 exit_code = startscript();
256 if (exit_code == Systemcall::KILLED)
257 return Systemcall::KILLED;
258 scanres = scanLogFile(terr);
261 vector<AuxInfo> const bibtex_info = scanAuxFiles(aux_file, runparams.only_childbibs);
262 if (!run_bibtex && bibtex_info_old != bibtex_info)
265 // update the dependencies.
266 deplog(head); // reads the latex log
270 // At this point we must run external programs if needed.
271 // makeindex will be run if a .idx file changed or was generated.
272 // And if there were undefined citations or changes in references
273 // the .aux file is checked for signs of bibtex. Bibtex is then run
276 // memoir (at least) writes an empty *idx file in the first place.
277 // A second latex run is needed.
278 FileName const idxfile(changeExtension(file.absFileName(), ".idx"));
279 rerun = idxfile.exists() && idxfile.isFileEmpty();
282 if (head.haschanged(idxfile)) {
284 LYXERR(Debug::LATEX, "Running MakeIndex.");
285 message(_("Running Index Processor."));
286 // onlyFileName() is needed for cygwin
287 rerun |= runMakeIndex(onlyFileName(idxfile.absFileName()),
290 FileName const nlofile(changeExtension(file.absFileName(), ".nlo"));
291 // If all nomencl entries are removed, nomencl writes an empty nlo file.
292 // DepTable::hasChanged() returns false in this case, since it does not
293 // distinguish empty files from non-existing files. This is why we need
294 // the extra checks here (to trigger a rerun). Cf. discussions in #8905.
295 // FIXME: Sort out the real problem in DepTable.
296 if (head.haschanged(nlofile) || (nlofile.exists() && nlofile.isFileEmpty()))
297 rerun |= runMakeIndexNomencl(file, ".nlo", ".nls");
298 FileName const glofile(changeExtension(file.absFileName(), ".glo"));
299 if (head.haschanged(glofile))
300 rerun |= runMakeIndexNomencl(file, ".glo", ".gls");
302 // check if we're using biber instead of bibtex
303 // biber writes no info to the aux file, so we just check
304 // if a bcf file exists (and if it was updated)
305 FileName const bcffile(changeExtension(file.absFileName(), ".bcf"));
306 biber |= head.exist(bcffile);
309 // if (scanres & UNDEF_CIT || scanres & RERUN || run_bibtex)
310 if (scanres & UNDEF_CIT || run_bibtex) {
311 // Here we must scan the .aux file and look for
312 // "\bibdata" and/or "\bibstyle". If one of those
313 // tags is found -> run bibtex and set rerun = true;
315 LYXERR(Debug::LATEX, "Running BibTeX.");
316 message(_("Running BibTeX."));
317 updateBibtexDependencies(head, bibtex_info);
318 rerun |= runBibTeX(bibtex_info, runparams);
319 FileName const blgfile(changeExtension(file.absFileName(), ".blg"));
320 if (blgfile.exists())
321 bscanres = scanBlgFile(head, terr);
322 } else if (!had_depfile) {
323 /// If we run pdflatex on the file after running latex on it,
324 /// then we do not need to run bibtex, but we do need to
325 /// insert the .bib and .bst files into the .dep-pdf file.
326 updateBibtexDependencies(head, bibtex_info);
330 // we know on this point that latex has been run once (or we just
331 // returned) and the question now is to decide if we need to run
332 // it any more. This is done by asking if any of the files in the
333 // dependency file has changed. (remember that the checksum for
334 // a given file is reported to have changed if it just was created)
335 // -> if changed or rerun == true:
336 // run latex once more and
337 // update the dependency structure
338 // -> if not changed:
339 // we do nothing at this point
341 if (rerun || head.sumchange()) {
344 LYXERR(Debug::DEPEND, "Dep. file has changed or rerun requested");
345 LYXERR(Debug::LATEX, "Run #" << count);
346 message(runMessage(count));
347 int exitCode = startscript();
348 if (exitCode == Systemcall::KILLED)
349 return Systemcall::KILLED;
350 scanres = scanLogFile(terr);
352 // update the depedencies
353 deplog(head); // reads the latex log
356 LYXERR(Debug::DEPEND, "Dep. file has NOT changed");
361 // Complex bibliography packages such as Biblatex require
362 // an additional bibtex cycle sometimes.
363 if (scanres & UNDEF_CIT) {
364 // Here we must scan the .aux file and look for
365 // "\bibdata" and/or "\bibstyle". If one of those
366 // tags is found -> run bibtex and set rerun = true;
368 LYXERR(Debug::LATEX, "Running BibTeX.");
369 message(_("Running BibTeX."));
370 updateBibtexDependencies(head, bibtex_info);
371 rerun |= runBibTeX(bibtex_info, runparams);
372 FileName const blgfile(changeExtension(file.absFileName(), ".blg"));
373 if (blgfile.exists())
374 bscanres = scanBlgFile(head, terr);
378 // The inclusion of files generated by external programs such as
379 // makeindex or bibtex might have done changes to pagenumbering,
380 // etc. And because of this we must run the external programs
381 // again to make sure everything is redone correctly.
382 // Also there should be no need to run the external programs any
385 // run makeindex if the <file>.idx has changed or was generated.
386 if (head.haschanged(idxfile)) {
388 LYXERR(Debug::LATEX, "Running MakeIndex.");
389 message(_("Running Index Processor."));
390 // onlyFileName() is needed for cygwin
391 rerun = runMakeIndex(onlyFileName(changeExtension(
392 file.absFileName(), ".idx")), runparams);
395 // I am not pretty sure if need this twice.
396 if (head.haschanged(nlofile))
397 rerun |= runMakeIndexNomencl(file, ".nlo", ".nls");
398 if (head.haschanged(glofile))
399 rerun |= runMakeIndexNomencl(file, ".glo", ".gls");
402 // we will only run latex more if the log file asks for it.
403 // or if the sumchange() is true.
404 // -> rerun asked for:
406 // remake the dependency file
407 // goto 2 or return if max runs are reached.
408 // -> rerun not asked for:
409 // just return (fall out of bottom of func)
411 while ((head.sumchange() || rerun || (scanres & RERUN))
412 && count < MAX_RUN) {
413 // Yes rerun until message goes away, or until
414 // MAX_RUNS are reached.
417 LYXERR(Debug::LATEX, "Run #" << count);
418 message(runMessage(count));
420 scanres = scanLogFile(terr);
426 // Write the dependencies to file.
430 // add flag here, just before return, instead of when exit_code
431 // is defined because scanres is sometimes overwritten above
433 scanres |= NONZERO_ERROR;
436 LYXERR(Debug::LATEX, "Done.");
438 if (bscanres & ERRORS)
439 return bscanres; // return on error
445 int LaTeX::startscript()
447 // onlyFileName() is needed for cygwin
448 string tmp = cmd + ' '
449 + quoteName(onlyFileName(file.toFilesystemEncoding()))
450 + " > " + os::nulldev();
452 Systemcall::Starttype const starttype =
453 allow_cancel ? Systemcall::WaitLoop : Systemcall::Wait;
454 return one.startscript(starttype, tmp, path, lpath, true);
458 bool LaTeX::runMakeIndex(string const & f, OutputParams const & runparams,
459 string const & params)
461 string tmp = runparams.use_japanese ?
462 lyxrc.jindex_command : lyxrc.index_command;
464 if (!runparams.index_command.empty())
465 tmp = runparams.index_command;
468 "idx file has been made, running index processor ("
469 << tmp << ") on file " << f);
471 tmp = subst(tmp, "$$lang", runparams.document_language);
472 if (runparams.use_indices) {
473 tmp = lyxrc.splitindex_command + " -m " + quoteName(tmp);
475 "Multiple indices. Using splitindex command: " << tmp);
481 one.startscript(Systemcall::Wait, tmp, path, lpath);
486 bool LaTeX::runMakeIndexNomencl(FileName const & file,
487 string const & nlo, string const & nls)
489 LYXERR(Debug::LATEX, "Running MakeIndex for nomencl.");
490 message(_("Running MakeIndex for nomencl."));
491 string tmp = lyxrc.nomencl_command + ' ';
492 // onlyFileName() is needed for cygwin
493 tmp += quoteName(onlyFileName(changeExtension(file.absFileName(), nlo)));
495 + onlyFileName(changeExtension(file.toFilesystemEncoding(), nls));
497 one.startscript(Systemcall::Wait, tmp, path, lpath);
502 vector<AuxInfo> const
503 LaTeX::scanAuxFiles(FileName const & file, bool const only_childbibs)
505 vector<AuxInfo> result;
507 // With chapterbib, we have to bibtex all children's aux files
508 // but _not_ the master's!
509 if (only_childbibs) {
510 for (string const &s: children) {
512 makeAbsPath(s, file.onlyPath().realPath());
513 fn.changeExtension("aux");
515 result.push_back(scanAuxFile(fn));
520 result.push_back(scanAuxFile(file));
522 // This is for bibtopic
523 string const basename = removeExtension(file.absFileName());
524 for (int i = 1; i < 1000; ++i) {
525 FileName const file2(basename
526 + '.' + convert<string>(i)
530 result.push_back(scanAuxFile(file2));
536 AuxInfo const LaTeX::scanAuxFile(FileName const & file)
539 result.aux_file = file;
540 scanAuxFile(file, result);
545 void LaTeX::scanAuxFile(FileName const & file, AuxInfo & aux_info)
547 LYXERR(Debug::LATEX, "Scanning aux file: " << file);
549 ifstream ifs(file.toFilesystemEncoding().c_str());
551 static regex const reg1("\\\\citation\\{([^}]+)\\}");
552 static regex const reg2("\\\\bibdata\\{([^}]+)\\}");
553 static regex const reg3("\\\\bibstyle\\{([^}]+)\\}");
554 static regex const reg4("\\\\@input\\{([^}]+)\\}");
556 while (getline(ifs, token)) {
557 token = rtrim(token, "\r");
559 // FIXME UNICODE: We assume that citation keys and filenames
560 // in the aux file are in the file system encoding.
561 token = to_utf8(from_filesystem8bit(token));
562 if (regex_match(token, sub, reg1)) {
563 string data = sub.str(1);
564 while (!data.empty()) {
566 data = split(data, citation, ',');
567 LYXERR(Debug::LATEX, "Citation: " << citation);
568 aux_info.citations.insert(citation);
570 } else if (regex_match(token, sub, reg2)) {
571 string data = sub.str(1);
572 // data is now all the bib files separated by ','
573 // get them one by one and pass them to the helper
574 while (!data.empty()) {
576 data = split(data, database, ',');
577 database = changeExtension(database, "bib");
578 LYXERR(Debug::LATEX, "BibTeX database: `" << database << '\'');
579 aux_info.databases.insert(database);
581 } else if (regex_match(token, sub, reg3)) {
582 string style = sub.str(1);
583 // token is now the style file
584 // pass it to the helper
585 style = changeExtension(style, "bst");
586 LYXERR(Debug::LATEX, "BibTeX style: `" << style << '\'');
587 aux_info.styles.insert(style);
588 } else if (regex_match(token, sub, reg4)) {
589 string const file2 = sub.str(1);
590 scanAuxFile(makeAbsPath(file2), aux_info);
596 void LaTeX::updateBibtexDependencies(DepTable & dep,
597 vector<AuxInfo> const & bibtex_info)
599 // Since a run of Bibtex mandates more latex runs it is ok to
600 // remove all ".bib" and ".bst" files.
601 dep.remove_files_with_extension(".bib");
602 dep.remove_files_with_extension(".bst");
603 //string aux = OnlyFileName(ChangeExtension(file, ".aux"));
605 for (vector<AuxInfo>::const_iterator it = bibtex_info.begin();
606 it != bibtex_info.end(); ++it) {
607 for (set<string>::const_iterator it2 = it->databases.begin();
608 it2 != it->databases.end(); ++it2) {
609 FileName const file = findtexfile(*it2, "bib");
611 dep.insert(file, true);
614 for (set<string>::const_iterator it2 = it->styles.begin();
615 it2 != it->styles.end(); ++it2) {
616 FileName const file = findtexfile(*it2, "bst");
618 dep.insert(file, true);
622 // biber writes nothing into the aux file.
623 // Instead, we have to scan the blg file
626 scanBlgFile(dep, terr);
631 bool LaTeX::runBibTeX(vector<AuxInfo> const & bibtex_info,
632 OutputParams const & runparams)
635 for (vector<AuxInfo>::const_iterator it = bibtex_info.begin();
636 it != bibtex_info.end(); ++it) {
637 if (!biber && it->databases.empty())
641 string tmp = runparams.bibtex_command;
643 // onlyFileName() is needed for cygwin
644 tmp += quoteName(onlyFileName(removeExtension(
645 it->aux_file.absFileName())));
647 one.startscript(Systemcall::Wait, tmp, path, lpath);
649 // Return whether bibtex was run
654 int LaTeX::scanLogFile(TeXErrors & terr)
658 int retval = NO_ERRORS;
660 onlyFileName(changeExtension(file.absFileName(), ".log"));
661 LYXERR(Debug::LATEX, "Log file: " << tmp);
662 FileName const fn = FileName(makeAbsPath(tmp));
663 // FIXME we should use an ifdocstream here and a docstring for token
664 // below. The encoding of the log file depends on the _output_ (font)
665 // encoding of the TeX file (T1, TU etc.). See #10728.
666 ifstream ifs(fn.toFilesystemEncoding().c_str());
667 bool fle_style = false;
668 static regex const file_line_error(".+\\.\\D+:[0-9]+: (.+)");
669 static regex const child_file(".*([0-9]+[A-Za-z]*_.+\\.tex).*");
670 // Flag for 'File ended while scanning' message.
671 // We need to wait for subsequent processing.
672 string wait_for_error;
675 stack <pair<string, int> > child;
679 while (getline(ifs, token)) {
680 // MikTeX sometimes inserts \0 in the log file. They can't be
681 // removed directly with the existing string utility
682 // functions, so convert them first to \r, and remove all
683 // \r's afterwards, since we need to remove them anyway.
684 token = subst(token, '\0', '\r');
685 token = subst(token, "\r", "");
688 LYXERR(Debug::LATEX, "Log line: " << token);
693 // Track child documents
694 for (size_t i = 0; i < token.length(); ++i) {
695 if (token[i] == '(') {
697 size_t j = token.find('(', i + 1);
698 size_t len = j == string::npos
699 ? token.substr(i + 1).length()
701 string const substr = token.substr(i + 1, len);
702 if (regex_match(substr, sub, child_file)) {
703 string const name = sub.str(1);
704 child.push(make_pair(name, pnest));
705 children.push_back(name);
708 } else if (token[i] == ')') {
710 && child.top().second == pnest)
715 child_name = child.empty() ? empty_string() : child.top().first;
717 if (contains(token, "file:line:error style messages enabled"))
720 if (prefixIs(token, "LaTeX Warning:") ||
721 prefixIs(token, "! pdfTeX warning")) {
722 // Here shall we handle different
724 retval |= LATEX_WARNING;
725 LYXERR(Debug::LATEX, "LaTeX Warning.");
726 if (contains(token, "Rerun to get cross-references")) {
728 LYXERR(Debug::LATEX, "We should rerun.");
729 // package clefval needs 2 latex runs before bibtex
730 } else if (contains(token, "Value of")
731 && contains(token, "on page")
732 && contains(token, "undefined")) {
733 retval |= ERROR_RERUN;
734 LYXERR(Debug::LATEX, "Force rerun.");
736 } else if (contains(token, "Etaremune labels have changed")) {
737 retval |= ERROR_RERUN;
738 LYXERR(Debug::LATEX, "Force rerun.");
739 } else if (contains(token, "Citation")
740 && contains(token, "on page")
741 && contains(token, "undefined")) {
743 } else if (contains(token, "Citation")
744 && contains(token, "on input line")
745 && contains(token, "undefined")) {
748 } else if (prefixIs(token, "Package")) {
750 retval |= PACKAGE_WARNING;
751 if (contains(token, "natbib Warning:")) {
753 if (contains(token, "Citation")
754 && contains(token, "on page")
755 && contains(token, "undefined")) {
758 } else if (contains(token, "run BibTeX")) {
760 } else if (contains(token, "run Biber")) {
763 } else if (contains(token, "Rerun LaTeX") ||
764 contains(token, "Please rerun LaTeX") ||
765 contains(token, "Rerun to get")) {
766 // at least longtable.sty and bibtopic.sty
768 LYXERR(Debug::LATEX, "We should rerun.");
771 } else if (prefixIs(token, "LETTRE WARNING:")) {
772 if (contains(token, "veuillez recompiler")) {
774 LYXERR(Debug::LATEX, "We should rerun.");
777 } else if (token[0] == '(') {
778 if (contains(token, "Rerun LaTeX") ||
779 contains(token, "Rerun to get")) {
781 LYXERR(Debug::LATEX, "We should rerun.");
784 } else if (prefixIs(token, "! ")
786 && regex_match(token, sub, file_line_error)
787 && !contains(token, "pdfTeX warning"))) {
788 // Ok, we have something that looks like a TeX Error
789 // but what do we really have.
791 // Just get the error description:
793 if (prefixIs(token, "! "))
794 desc = string(token, 2);
797 if (contains(token, "LaTeX Error:"))
798 retval |= LATEX_ERROR;
800 if (prefixIs(token, "! File ended while scanning")) {
801 if (prefixIs(token, "! File ended while scanning use of \\Hy@setref@link.")){
802 // bug 7344. We must rerun LaTeX if hyperref has been toggled.
803 retval |= ERROR_RERUN;
804 LYXERR(Debug::LATEX, "Force rerun.");
806 // bug 6445. At this point its not clear we finish with error.
807 wait_for_error = desc;
812 if (prefixIs(token, "! Incomplete \\if")) {
813 // bug 10666. At this point its not clear we finish with error.
814 wait_for_error = desc;
818 if (prefixIs(token, "! Paragraph ended before \\Hy@setref@link was complete.")){
819 // bug 7344. We must rerun LaTeX if hyperref has been toggled.
820 retval |= ERROR_RERUN;
821 LYXERR(Debug::LATEX, "Force rerun.");
824 if (!wait_for_error.empty() && prefixIs(token, "! Emergency stop.")){
825 retval |= LATEX_ERROR;
828 errstr = wait_for_error;
829 wait_for_error.clear();
831 if (!getline(ifs, tmp))
833 tmp = rtrim(tmp, "\r");
834 errstr += "\n" + tmp;
837 } while (!contains(tmp, "(job aborted"));
840 from_ascii("Emergency stop"),
841 from_local8bit(errstr),
849 if (!getline(ifs, tmp))
851 tmp = rtrim(tmp, "\r");
852 // 15 is somewhat arbitrarily chosen, based on practice.
853 // We used 10 for 14 years and increased it to 15 when we
857 } while (!prefixIs(tmp, "l."));
858 if (prefixIs(tmp, "l.")) {
859 // we have a latex error
862 "Package babel Error: You haven't defined the language")
864 "Package babel Error: You haven't loaded the option")
866 "Package babel Error: Unknown language"))
867 retval |= ERROR_RERUN;
868 // get the line number:
870 sscanf(tmp.c_str(), "l.%d", &line);
871 // get the rest of the message:
872 string errstr(tmp, tmp.find(' '));
875 tmp = rtrim(tmp, "\r");
876 while (!contains(errstr, "l.")
878 && !prefixIs(tmp, "! ")
879 && !contains(tmp, "(job aborted")) {
883 tmp = rtrim(tmp, "\r");
885 LYXERR(Debug::LATEX, "line: " << line << '\n'
886 << "Desc: " << desc << '\n' << "Text: " << errstr);
887 if (line == last_line)
893 if (line_count <= 5) {
895 // We have no idea what the encoding of
897 // It seems that the output from the
898 // latex compiler itself is pure ASCII,
899 // but it can include bits from the
900 // document, so whatever encoding we
901 // assume here it can be wrong.
902 terr.insertError(line,
903 from_local8bit(desc),
904 from_local8bit(errstr),
910 // information messages, TeX warnings and other
911 // warnings we have not caught earlier.
912 if (prefixIs(token, "Overfull ")) {
913 retval |= TEX_WARNING;
914 } else if (prefixIs(token, "Underfull ")) {
915 retval |= TEX_WARNING;
916 } else if (contains(token, "Rerun to get citations")) {
917 // Natbib seems to use this.
919 } else if (contains(token, "No pages of output")
920 || contains(token, "no pages of output")) {
921 // No output file (e.g. the DVI or PDF) was created
923 } else if (contains(token, "Error 256 (driver return code)")) {
924 // This is a xdvipdfmx driver error reported by XeTeX.
925 // We have to check whether an output PDF file was created.
926 FileName pdffile = file;
927 pdffile.changeExtension("pdf");
928 if (!pdffile.exists())
929 // No output PDF file was created (see #10076)
931 } else if (contains(token, "That makes 100 errors")) {
932 // More than 100 errors were reported
933 retval |= TOO_MANY_ERRORS;
934 } else if (prefixIs(token, "!pdfTeX error:")) {
935 // otherwise we dont catch e.g.:
936 // !pdfTeX error: pdflatex (file feyn10): Font feyn10 at 600 not found
939 from_ascii("pdfTeX Error"),
940 from_local8bit(token),
942 } else if (!ignore_missing_glyphs
943 && prefixIs(token, "Missing character: There is no ")
944 && !contains(token, "nullfont")) {
945 // Warning about missing glyph in selected font
946 // may be dataloss (bug 9610)
947 // but can be ignored for 'nullfont' (bug 10394).
948 // as well as for ZERO WIDTH NON-JOINER (0x200C) which is
949 // missing in many fonts and output for ligature break (bug 10727).
950 // Since this error only occurs with utf8 output, we can safely assume
951 // that the log file is utf8-encoded
952 docstring const utoken = from_utf8(token);
953 if (!contains(utoken, 0x200C)) {
954 retval |= LATEX_ERROR;
956 from_ascii("Missing glyphs!"),
960 } else if (!wait_for_error.empty()) {
961 // We collect information until we know we have an error.
962 wait_for_error += token + '\n';
966 LYXERR(Debug::LATEX, "Log line: " << token);
973 bool insertIfExists(FileName const & absname, DepTable & head)
975 if (absname.exists() && !absname.isDirectory()) {
976 head.insert(absname, true);
983 bool handleFoundFile(string const & ff, DepTable & head)
985 // convert from native os path to unix path
986 string foundfile = os::internal_path(trim(ff));
988 LYXERR(Debug::DEPEND, "Found file: " << foundfile);
990 // Ok now we found a file.
991 // Now we should make sure that this is a file that we can
992 // access through the normal paths.
993 // We will not try any fancy search methods to
996 // (1) foundfile is an
997 // absolute path and should
1000 if (FileName::isAbsolute(foundfile)) {
1001 LYXERR(Debug::DEPEND, "AbsolutePath file: " << foundfile);
1002 // On initial insert we want to do the update at once
1003 // since this file cannot be a file generated by
1005 absname.set(foundfile);
1006 if (!insertIfExists(absname, head)) {
1008 string strippedfile = foundfile;
1009 while (contains(strippedfile, " ")) {
1010 // files with spaces are often enclosed in quotation
1011 // marks; those have to be removed
1012 string unquoted = subst(strippedfile, "\"", "");
1013 absname.set(unquoted);
1014 if (insertIfExists(absname, head))
1016 // strip off part after last space and try again
1017 string tmp = strippedfile;
1018 rsplit(tmp, strippedfile, ' ');
1019 absname.set(strippedfile);
1020 if (insertIfExists(absname, head))
1026 string onlyfile = onlyFileName(foundfile);
1027 absname = makeAbsPath(onlyfile);
1030 while (contains(foundfile, ' ')) {
1031 if (absname.exists())
1035 // files with spaces are often enclosed in quotation
1036 // marks; those have to be removed
1037 string unquoted = subst(foundfile, "\"", "");
1038 absname = makeAbsPath(unquoted);
1039 if (absname.exists())
1041 // strip off part after last space and try again
1042 string strippedfile;
1043 rsplit(foundfile, strippedfile, ' ');
1044 foundfile = strippedfile;
1045 onlyfile = onlyFileName(strippedfile);
1046 absname = makeAbsPath(onlyfile);
1050 // (2) foundfile is in the tmpdir
1051 // insert it into head
1052 if (absname.exists() && !absname.isDirectory()) {
1053 // FIXME: This regex contained glo, but glo is used by the old
1054 // version of nomencl.sty. Do we need to put it back?
1055 static regex const unwanted("^.*\\.(aux|log|dvi|bbl|ind)$");
1056 if (regex_match(onlyfile, unwanted)) {
1057 LYXERR(Debug::DEPEND, "We don't want " << onlyfile
1058 << " in the dep file");
1059 } else if (suffixIs(onlyfile, ".tex")) {
1060 // This is a tex file generated by LyX
1061 // and latex is not likely to change this
1063 LYXERR(Debug::DEPEND, "Tmpdir TeX file: " << onlyfile);
1064 head.insert(absname, true);
1066 LYXERR(Debug::DEPEND, "In tmpdir file:" << onlyfile);
1067 head.insert(absname);
1071 LYXERR(Debug::DEPEND, "Not a file or we are unable to find it.");
1077 bool completeFilename(string const & ff, DepTable & head)
1079 // If we do not find a dot, we suspect
1080 // a fragmental file name
1081 if (!contains(ff, '.'))
1084 // if we have a dot, we let handleFoundFile decide
1085 return handleFoundFile(ff, head);
1089 int iterateLine(string const & token, regex const & reg, string const & closing,
1090 int fragment_pos, DepTable & head)
1093 string::const_iterator first = token.begin();
1094 string::const_iterator end = token.end();
1095 bool fragment = false;
1098 while (regex_search(first, end, what, reg)) {
1099 // if we have a dot, try to handle as file
1100 if (contains(what.str(1), '.')) {
1101 first = what[0].second;
1102 if (what.str(2) == closing) {
1103 handleFoundFile(what.str(1), head);
1104 // since we had a closing bracket,
1105 // do not investigate further
1108 // if we have no closing bracket,
1109 // try to handle as file nevertheless
1110 fragment = !handleFoundFile(
1111 what.str(1) + what.str(2), head);
1113 // if we do not have a dot, check if the line has
1114 // a closing bracket (else, we suspect a line break)
1115 else if (what.str(2) != closing) {
1116 first = what[0].second;
1119 // we have a closing bracket, so the content
1120 // is not a file name.
1121 // no need to investigate further
1122 first = what[0].second;
1125 last_match = what.str(1);
1128 // We need to consider the result from previous line iterations:
1129 // We might not find a fragment here, but another one might follow
1130 // E.g.: (filename.ext) <filenam
1131 // Vice versa, we consider the search completed if a real match
1132 // follows a potential fragment from a previous iteration.
1133 // E.g. <some text we considered a fragment (filename.ext)
1134 // result = -1 means we did not find a fragment!
1136 int last_match_pos = -1;
1137 if (!last_match.empty() && token.find(last_match) != string::npos)
1138 last_match_pos = int(token.find(last_match));
1140 if (last_match_pos > fragment_pos)
1141 result = last_match_pos;
1143 result = fragment_pos;
1145 if (last_match_pos < fragment_pos)
1146 result = fragment_pos;
1154 void LaTeX::deplog(DepTable & head)
1156 // This function reads the LaTeX log file end extracts all the
1157 // external files used by the LaTeX run. The files are then
1158 // entered into the dependency file.
1160 string const logfile =
1161 onlyFileName(changeExtension(file.absFileName(), ".log"));
1163 static regex const reg1("File: (.+).*");
1164 static regex const reg2("No file (.+)(.).*");
1165 static regex const reg3("\\\\openout[0-9]+.*=.*`(.+)(..).*");
1166 // If an index should be created, MikTex does not write a line like
1167 // \openout# = 'sample.idx'.
1168 // but instead only a line like this into the log:
1169 // Writing index file sample.idx
1170 static regex const reg4("Writing index file (.+).*");
1171 static regex const regoldnomencl("Writing glossary file (.+).*");
1172 static regex const regnomencl("Writing nomenclature file (.+).*");
1173 // If a toc should be created, MikTex does not write a line like
1174 // \openout# = `sample.toc'.
1175 // but only a line like this into the log:
1177 // This line is also written by tetex.
1178 // This line is not present if no toc should be created.
1179 static regex const miktexTocReg("\\\\tf@toc=\\\\write.*");
1180 // file names can be enclosed in <...> (anywhere on the line)
1181 static regex const reg5(".*<[^>]+.*");
1182 // and also (...) anywhere on the line
1183 static regex const reg6(".*\\([^)]+.*");
1185 FileName const fn = makeAbsPath(logfile);
1186 ifstream ifs(fn.toFilesystemEncoding().c_str());
1189 // Ok, the scanning of files here is not sufficient.
1190 // Sometimes files are named by "File: xxx" only
1191 // Therefore we use some regexps to find files instead.
1192 // Note: all file names and paths might contains spaces.
1193 // Also, file names might be broken across lines. Therefore
1194 // we mark (potential) fragments and merge those lines.
1195 bool fragment = false;
1197 getline(ifs, token);
1198 // MikTeX sometimes inserts \0 in the log file. They can't be
1199 // removed directly with the existing string utility
1200 // functions, so convert them first to \r, and remove all
1201 // \r's afterwards, since we need to remove them anyway.
1202 token = subst(token, '\0', '\r');
1203 token = subst(token, "\r", "");
1204 if (token.empty() || token == ")") {
1205 lastline = string();
1209 // FIXME UNICODE: We assume that the file names in the log
1210 // file are in the file system encoding.
1211 token = to_utf8(from_filesystem8bit(token));
1213 // Sometimes, filenames are broken across lines.
1214 // We care for that and save suspicious lines.
1215 // Here we exclude some cases where we are sure
1216 // that there is no continued filename
1217 if (!lastline.empty()) {
1218 static regex const package_info("Package \\w+ Info: .*");
1219 static regex const package_warning("Package \\w+ Warning: .*");
1220 if (prefixIs(token, "File:") || prefixIs(token, "(Font)")
1221 || prefixIs(token, "Package:")
1222 || prefixIs(token, "Language:")
1223 || prefixIs(token, "LaTeX Info:")
1224 || prefixIs(token, "LaTeX Font Info:")
1225 || prefixIs(token, "\\openout[")
1226 || prefixIs(token, "))")
1227 || regex_match(token, package_info)
1228 || regex_match(token, package_warning))
1229 lastline = string();
1232 if (!lastline.empty())
1233 // probably a continued filename from last line
1234 token = lastline + token;
1235 if (token.length() > 255) {
1236 // string too long. Cut off.
1237 token.erase(0, token.length() - 251);
1242 // (1) "File: file.ext"
1243 if (regex_match(token, sub, reg1)) {
1244 // is this a fragmental file name?
1245 fragment = !completeFilename(sub.str(1), head);
1247 if (suffixIs(token, ")"))
1248 // no fragment for sure
1250 // (2) "No file file.ext"
1251 } else if (regex_match(token, sub, reg2)) {
1252 // file names must contains a dot, line ends with dot
1253 if (contains(sub.str(1), '.') && sub.str(2) == ".")
1254 fragment = !handleFoundFile(sub.str(1), head);
1256 // we suspect a line break
1258 // (3) "\openout<nr> = `file.ext'."
1259 } else if (regex_match(token, sub, reg3)) {
1260 // search for closing '. at the end of the line
1261 if (sub.str(2) == "\'.")
1262 fragment = !handleFoundFile(sub.str(1), head);
1264 // potential fragment
1266 // (4) "Writing index file file.ext"
1267 } else if (regex_match(token, sub, reg4))
1268 // fragmential file name?
1269 fragment = !completeFilename(sub.str(1), head);
1270 // (5) "Writing nomenclature file file.ext"
1271 else if (regex_match(token, sub, regnomencl) ||
1272 regex_match(token, sub, regoldnomencl))
1273 // fragmental file name?
1274 fragment= !completeFilename(sub.str(1), head);
1275 // (6) "\tf@toc=\write<nr>" (for MikTeX)
1276 else if (regex_match(token, sub, miktexTocReg))
1277 fragment = !handleFoundFile(onlyFileName(changeExtension(
1278 file.absFileName(), ".toc")), head);
1280 // not found, but we won't check further
1283 int fragment_pos = -1;
1285 // We can have several of these on one line
1286 // (and in addition to those above)
1287 if (regex_match(token, sub, reg5)) {
1288 // search for strings in <...>
1289 static regex const reg5_1("<([^>]+)(.)");
1290 fragment_pos = iterateLine(token, reg5_1, ">",
1291 fragment_pos, head);
1292 fragment = (fragment_pos != -1);
1296 // We can have several of these on one line
1297 // this must be queried separated, because of
1298 // cases such as "File: file.ext (type eps)"
1299 // where "File: file.ext" would be skipped
1300 if (regex_match(token, sub, reg6)) {
1301 // search for strings in (...)
1302 static regex const reg6_1("\\(([^()]+)(.)");
1303 fragment_pos = iterateLine(token, reg6_1, ")",
1304 fragment_pos, head);
1305 fragment = (fragment_pos != -1);
1309 // probable linebreak within file name:
1313 // no linebreak: reset
1314 lastline = string();
1317 // Make sure that the main .tex file is in the dependency file.
1318 head.insert(file, true);
1322 int LaTeX::scanBlgFile(DepTable & dep, TeXErrors & terr)
1324 FileName const blg_file(changeExtension(file.absFileName(), "blg"));
1325 LYXERR(Debug::LATEX, "Scanning blg file: " << blg_file);
1327 ifstream ifs(blg_file.toFilesystemEncoding().c_str());
1329 static regex const reg1(".*Found (bibtex|BibTeX) data (file|source) '([^']+).*");
1330 static regex const bibtexError("^(.*---line [0-9]+ of file).*$");
1331 static regex const bibtexError2("^(.*---while reading file).*$");
1332 static regex const bibtexError3("(A bad cross reference---).*");
1333 static regex const bibtexError4("(Sorry---you've exceeded BibTeX's).*");
1334 static regex const bibtexError5("\\*Please notify the BibTeX maintainer\\*");
1335 static regex const biberError("^.*> (FATAL|ERROR) - (.*)$");
1336 int retval = NO_ERRORS;
1339 while (getline(ifs, token)) {
1340 token = rtrim(token, "\r");
1342 // FIXME UNICODE: We assume that citation keys and filenames
1343 // in the aux file are in the file system encoding.
1344 token = to_utf8(from_filesystem8bit(token));
1345 if (regex_match(token, sub, reg1)) {
1346 string data = sub.str(3);
1347 if (!data.empty()) {
1348 LYXERR(Debug::LATEX, "Found bib file: " << data);
1349 handleFoundFile(data, dep);
1352 else if (regex_match(token, sub, bibtexError)
1353 || regex_match(token, sub, bibtexError2)
1354 || regex_match(token, sub, bibtexError4)
1355 || regex_match(token, sub, bibtexError5)) {
1356 retval |= BIBTEX_ERROR;
1357 string errstr = N_("BibTeX error: ") + token;
1359 if ((prefixIs(token, "while executing---line")
1360 || prefixIs(token, "---line ")
1361 || prefixIs(token, "*Please notify the BibTeX"))
1362 && !prevtoken.empty()) {
1363 errstr = N_("BibTeX error: ") + prevtoken;
1364 message = prevtoken + '\n';
1368 from_local8bit(errstr),
1369 from_local8bit(message));
1370 } else if (regex_match(prevtoken, sub, bibtexError3)) {
1371 retval |= BIBTEX_ERROR;
1372 string errstr = N_("BibTeX error: ") + prevtoken;
1373 string message = prevtoken + '\n' + token;
1375 from_local8bit(errstr),
1376 from_local8bit(message));
1377 } else if (regex_match(token, sub, biberError)) {
1378 retval |= BIBTEX_ERROR;
1379 string errstr = N_("Biber error: ") + sub.str(2);
1380 string message = token;
1382 from_local8bit(errstr),
1383 from_local8bit(message));