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"
20 #include "support/gettext.h"
22 #include "support/debug.h"
25 #include "support/filetools.h"
26 #include "support/convert.h"
27 #include "support/lstrings.h"
28 #include "support/Systemcall.h"
29 #include "support/os.h"
31 #include <boost/regex.hpp>
39 using namespace lyx::support;
43 namespace os = support::os;
45 // TODO: in no particular order
46 // - get rid of the call to
47 // BufferList::updateIncludedTeXfiles, this should either
48 // be done before calling LaTeX::funcs or in a completely
50 // - the makeindex style files should be taken care of with
51 // the dependency mechanism.
52 // - makeindex commandline options should be supported
53 // - somewhere support viewing of bibtex and makeindex log files.
54 // - we should perhaps also scan the bibtex log file
58 docstring runMessage(unsigned int count)
60 return bformat(_("Waiting for LaTeX run number %1$d"), count);
69 void TeXErrors::insertError(int line, docstring const & error_desc,
70 docstring const & error_text)
72 Error newerr(line, error_desc, error_text);
73 errors.push_back(newerr);
77 bool operator==(Aux_Info const & a, Aux_Info const & o)
79 return a.aux_file == o.aux_file &&
80 a.citations == o.citations &&
81 a.databases == o.databases &&
86 bool operator!=(Aux_Info const & a, Aux_Info const & o)
96 LaTeX::LaTeX(string const & latex, OutputParams const & rp,
98 : cmd(latex), file(f), runparams(rp)
101 if (prefixIs(cmd, "pdf")) { // Do we use pdflatex ?
102 depfile = FileName(file.absFilename() + ".dep-pdf");
104 FileName(changeExtension(file.absFilename(), ".pdf"));
106 depfile = FileName(file.absFilename() + ".dep");
108 FileName(changeExtension(file.absFilename(), ".dvi"));
113 void LaTeX::deleteFilesOnError() const
115 // currently just a dummy function.
117 // What files do we have to delete?
119 // This will at least make latex do all the runs
120 depfile.removeFile();
122 // but the reason for the error might be in a generated file...
125 FileName const bbl(changeExtension(file.absFilename(), ".bbl"));
129 FileName const ind(changeExtension(file.absFilename(), ".ind"));
133 FileName const nls(changeExtension(file.absFilename(), ".nls"));
136 // nomencl file (old version of the package)
137 FileName const gls(changeExtension(file.absFilename(), ".gls"));
140 // Also remove the aux file
141 FileName const aux(changeExtension(file.absFilename(), ".aux"));
146 int LaTeX::run(TeXErrors & terr)
147 // We know that this function will only be run if the lyx buffer
148 // has been changed. We also know that a newly written .tex file
149 // is always different from the previous one because of the date
150 // in it. However it seems safe to run latex (at least) on time
151 // each time the .tex file changes.
153 int scanres = NO_ERRORS;
154 unsigned int count = 0; // number of times run
155 num_errors = 0; // just to make sure.
156 unsigned int const MAX_RUN = 6;
157 DepTable head; // empty head
158 bool rerun = false; // rerun requested
160 // The class LaTeX does not know the temp path.
161 theBufferList().updateIncludedTeXfiles(FileName::getcwd().absFilename(),
164 // Never write the depfile if an error was encountered.
167 // first check if the file dependencies exist:
168 // ->If it does exist
169 // check if any of the files mentioned in it have
170 // changed (done using a checksum).
172 // run latex once and
173 // remake the dependency file
174 // -> if not changed:
175 // just return there is nothing to do for us.
176 // ->if it doesn't exist
178 // run latex once (we need to run latex once anyway) and
179 // remake the dependency file.
182 bool had_depfile = depfile.exists();
183 bool run_bibtex = false;
184 FileName const aux_file(changeExtension(file.absFilename(), "aux"));
187 LYXERR(Debug::DEPEND, "Dependency file exists");
188 // Read the dep file:
189 had_depfile = head.read(depfile);
193 // Update the checksums
195 // Can't just check if anything has changed because it might
196 // have aborted on error last time... in which cas we need
197 // to re-run latex and collect the error messages
198 // (even if they are the same).
199 if (!output_file.exists()) {
200 LYXERR(Debug::DEPEND,
201 "re-running LaTeX because output file doesn't exist.");
202 } else if (!head.sumchange()) {
203 LYXERR(Debug::DEPEND, "return no_change");
206 LYXERR(Debug::DEPEND, "Dependency file has changed");
209 if (head.extchanged(".bib") || head.extchanged(".bst"))
212 LYXERR(Debug::DEPEND,
213 "Dependency file does not exist, or has wrong format");
215 /// We scan the aux file even when had_depfile = false,
216 /// because we can run pdflatex on the file after running latex on it,
217 /// in which case we will not need to run bibtex again.
218 vector<Aux_Info> bibtex_info_old;
220 bibtex_info_old = scanAuxFiles(aux_file);
223 LYXERR(Debug::LATEX, "Run #" << count);
224 message(runMessage(count));
227 scanres = scanLogFile(terr);
228 if (scanres & ERROR_RERUN) {
229 LYXERR(Debug::LATEX, "Rerunning LaTeX");
231 scanres = scanLogFile(terr);
234 if (scanres & ERRORS) {
235 deleteFilesOnError();
236 return scanres; // return on error
239 vector<Aux_Info> const bibtex_info = scanAuxFiles(aux_file);
240 if (!run_bibtex && bibtex_info_old != bibtex_info)
243 // update the dependencies.
244 deplog(head); // reads the latex log
248 // At this point we must run external programs if needed.
249 // makeindex will be run if a .idx file changed or was generated.
250 // And if there were undefined citations or changes in references
251 // the .aux file is checked for signs of bibtex. Bibtex is then run
254 // memoir (at least) writes an empty *idx file in the first place.
255 // A second latex run is needed.
256 FileName const idxfile(changeExtension(file.absFilename(), ".idx"));
257 rerun = idxfile.exists() && idxfile.isFileEmpty();
260 if (head.haschanged(idxfile)) {
262 LYXERR(Debug::LATEX, "Running MakeIndex.");
263 message(_("Running MakeIndex."));
264 // onlyFilename() is needed for cygwin
265 rerun |= runMakeIndex(onlyFilename(idxfile.absFilename()),
268 FileName const nlofile(changeExtension(file.absFilename(), ".nlo"));
269 if (head.haschanged(nlofile))
270 rerun |= runMakeIndexNomencl(file, runparams, ".nlo", ".nls");
271 FileName const glofile(changeExtension(file.absFilename(), ".glo"));
272 if (head.haschanged(glofile))
273 rerun |= runMakeIndexNomencl(file, runparams, ".glo", ".gls");
276 // if (scanres & UNDEF_CIT || scanres & RERUN || run_bibtex)
277 if (scanres & UNDEF_CIT || run_bibtex) {
278 // Here we must scan the .aux file and look for
279 // "\bibdata" and/or "\bibstyle". If one of those
280 // tags is found -> run bibtex and set rerun = true;
282 LYXERR(Debug::LATEX, "Running BibTeX.");
283 message(_("Running BibTeX."));
284 updateBibtexDependencies(head, bibtex_info);
285 rerun |= runBibTeX(bibtex_info);
286 } else if (!had_depfile) {
287 /// If we run pdflatex on the file after running latex on it,
288 /// then we do not need to run bibtex, but we do need to
289 /// insert the .bib and .bst files into the .dep-pdf file.
290 updateBibtexDependencies(head, bibtex_info);
294 // we know on this point that latex has been run once (or we just
295 // returned) and the question now is to decide if we need to run
296 // it any more. This is done by asking if any of the files in the
297 // dependency file has changed. (remember that the checksum for
298 // a given file is reported to have changed if it just was created)
299 // -> if changed or rerun == true:
300 // run latex once more and
301 // update the dependency structure
302 // -> if not changed:
303 // we does nothing at this point
305 if (rerun || head.sumchange()) {
308 LYXERR(Debug::DEPEND, "Dep. file has changed or rerun requested");
309 LYXERR(Debug::LATEX, "Run #" << count);
310 message(runMessage(count));
312 scanres = scanLogFile(terr);
313 if (scanres & ERRORS) {
314 deleteFilesOnError();
315 return scanres; // return on error
318 // update the depedencies
319 deplog(head); // reads the latex log
322 LYXERR(Debug::DEPEND, "Dep. file has NOT changed");
326 // The inclusion of files generated by external programs like
327 // makeindex or bibtex might have done changes to pagenumbering,
328 // etc. And because of this we must run the external programs
329 // again to make sure everything is redone correctly.
330 // Also there should be no need to run the external programs any
333 // run makeindex if the <file>.idx has changed or was generated.
334 if (head.haschanged(idxfile)) {
336 LYXERR(Debug::LATEX, "Running MakeIndex.");
337 message(_("Running MakeIndex."));
338 // onlyFilename() is needed for cygwin
339 rerun = runMakeIndex(onlyFilename(changeExtension(
340 file.absFilename(), ".idx")), runparams);
343 // I am not pretty sure if need this twice.
344 if (head.haschanged(nlofile))
345 rerun |= runMakeIndexNomencl(file, runparams, ".nlo", ".nls");
346 if (head.haschanged(glofile))
347 rerun |= runMakeIndexNomencl(file, runparams, ".glo", ".gls");
350 // we will only run latex more if the log file asks for it.
351 // or if the sumchange() is true.
352 // -> rerun asked for:
354 // remake the dependency file
355 // goto 2 or return if max runs are reached.
356 // -> rerun not asked for:
357 // just return (fall out of bottom of func)
359 while ((head.sumchange() || rerun || (scanres & RERUN))
360 && count < MAX_RUN) {
361 // Yes rerun until message goes away, or until
362 // MAX_RUNS are reached.
365 LYXERR(Debug::LATEX, "Run #" << count);
366 message(runMessage(count));
368 scanres = scanLogFile(terr);
369 if (scanres & ERRORS) {
370 deleteFilesOnError();
371 return scanres; // return on error
378 // Write the dependencies to file.
380 LYXERR(Debug::LATEX, "Done.");
385 int LaTeX::startscript()
387 // onlyFilename() is needed for cygwin
388 string tmp = cmd + ' '
389 + quoteName(onlyFilename(file.toFilesystemEncoding()))
390 + " > " + os::nulldev();
392 return one.startscript(Systemcall::Wait, tmp);
396 bool LaTeX::runMakeIndex(string const & f, OutputParams const & runparams,
397 string const & params)
400 "idx file has been made, running makeindex on file " << f);
401 string tmp = lyxrc.index_command + ' ';
403 tmp = subst(tmp, "$$lang", runparams.document_language);
407 one.startscript(Systemcall::Wait, tmp);
412 bool LaTeX::runMakeIndexNomencl(FileName const & file,
413 OutputParams const & runparams,
414 string const & nlo, string const & nls)
416 LYXERR(Debug::LATEX, "Running MakeIndex for nomencl.");
417 message(_("Running MakeIndex for nomencl."));
418 // onlyFilename() is needed for cygwin
419 string const nomenclstr = " -s nomencl.ist -o "
420 + onlyFilename(changeExtension(file.toFilesystemEncoding(), nls));
422 onlyFilename(changeExtension(file.absFilename(), nlo)),
423 runparams, nomenclstr);
427 vector<Aux_Info> const
428 LaTeX::scanAuxFiles(FileName const & file)
430 vector<Aux_Info> result;
432 result.push_back(scanAuxFile(file));
434 string const basename = removeExtension(file.absFilename());
435 for (int i = 1; i < 1000; ++i) {
436 FileName const file2(basename
437 + '.' + convert<string>(i)
441 result.push_back(scanAuxFile(file2));
447 Aux_Info const LaTeX::scanAuxFile(FileName const & file)
450 result.aux_file = file;
451 scanAuxFile(file, result);
456 void LaTeX::scanAuxFile(FileName const & file, Aux_Info & aux_info)
458 LYXERR(Debug::LATEX, "Scanning aux file: " << file);
460 ifstream ifs(file.toFilesystemEncoding().c_str());
462 static regex const reg1("\\\\citation\\{([^}]+)\\}");
463 static regex const reg2("\\\\bibdata\\{([^}]+)\\}");
464 static regex const reg3("\\\\bibstyle\\{([^}]+)\\}");
465 static regex const reg4("\\\\@input\\{([^}]+)\\}");
467 while (getline(ifs, token)) {
468 token = rtrim(token, "\r");
470 // FIXME UNICODE: We assume that citation keys and filenames
471 // in the aux file are in the file system encoding.
472 token = to_utf8(from_filesystem8bit(token));
473 if (regex_match(token, sub, reg1)) {
474 string data = sub.str(1);
475 while (!data.empty()) {
477 data = split(data, citation, ',');
478 LYXERR(Debug::LATEX, "Citation: " << citation);
479 aux_info.citations.insert(citation);
481 } else if (regex_match(token, sub, reg2)) {
482 string data = sub.str(1);
483 // data is now all the bib files separated by ','
484 // get them one by one and pass them to the helper
485 while (!data.empty()) {
487 data = split(data, database, ',');
488 database = changeExtension(database, "bib");
489 LYXERR(Debug::LATEX, "BibTeX database: `" << database << '\'');
490 aux_info.databases.insert(database);
492 } else if (regex_match(token, sub, reg3)) {
493 string style = sub.str(1);
494 // token is now the style file
495 // pass it to the helper
496 style = changeExtension(style, "bst");
497 LYXERR(Debug::LATEX, "BibTeX style: `" << style << '\'');
498 aux_info.styles.insert(style);
499 } else if (regex_match(token, sub, reg4)) {
500 string const file2 = sub.str(1);
501 scanAuxFile(makeAbsPath(file2), aux_info);
507 void LaTeX::updateBibtexDependencies(DepTable & dep,
508 vector<Aux_Info> const & bibtex_info)
510 // Since a run of Bibtex mandates more latex runs it is ok to
511 // remove all ".bib" and ".bst" files.
512 dep.remove_files_with_extension(".bib");
513 dep.remove_files_with_extension(".bst");
514 //string aux = OnlyFilename(ChangeExtension(file, ".aux"));
516 for (vector<Aux_Info>::const_iterator it = bibtex_info.begin();
517 it != bibtex_info.end(); ++it) {
518 for (set<string>::const_iterator it2 = it->databases.begin();
519 it2 != it->databases.end(); ++it2) {
520 FileName const file = findtexfile(*it2, "bib");
522 dep.insert(file, true);
525 for (set<string>::const_iterator it2 = it->styles.begin();
526 it2 != it->styles.end(); ++it2) {
527 FileName const file = findtexfile(*it2, "bst");
529 dep.insert(file, true);
535 bool LaTeX::runBibTeX(vector<Aux_Info> const & bibtex_info)
538 for (vector<Aux_Info>::const_iterator it = bibtex_info.begin();
539 it != bibtex_info.end(); ++it) {
540 if (it->databases.empty())
544 string tmp = lyxrc.bibtex_command + " ";
545 // onlyFilename() is needed for cygwin
546 tmp += quoteName(onlyFilename(removeExtension(
547 it->aux_file.absFilename())));
549 one.startscript(Systemcall::Wait, tmp);
551 // Return whether bibtex was run
556 int LaTeX::scanLogFile(TeXErrors & terr)
560 int retval = NO_ERRORS;
562 onlyFilename(changeExtension(file.absFilename(), ".log"));
563 LYXERR(Debug::LATEX, "Log file: " << tmp);
564 FileName const fn = FileName(makeAbsPath(tmp));
565 ifstream ifs(fn.toFilesystemEncoding().c_str());
566 bool fle_style = false;
567 static regex file_line_error(".+\\.\\D+:[0-9]+: (.+)");
570 while (getline(ifs, token)) {
571 // MikTeX sometimes inserts \0 in the log file. They can't be
572 // removed directly with the existing string utility
573 // functions, so convert them first to \r, and remove all
574 // \r's afterwards, since we need to remove them anyway.
575 token = subst(token, '\0', '\r');
576 token = subst(token, "\r", "");
579 LYXERR(Debug::LATEX, "Log line: " << token);
584 if (contains(token, "file:line:error style messages enabled"))
587 if (prefixIs(token, "LaTeX Warning:") ||
588 prefixIs(token, "! pdfTeX warning")) {
589 // Here shall we handle different
591 retval |= LATEX_WARNING;
592 LYXERR(Debug::LATEX, "LaTeX Warning.");
593 if (contains(token, "Rerun to get cross-references")) {
595 LYXERR(Debug::LATEX, "We should rerun.");
596 } else if (contains(token, "Citation")
597 && contains(token, "on page")
598 && contains(token, "undefined")) {
601 } else if (prefixIs(token, "Package")) {
603 retval |= PACKAGE_WARNING;
604 if (contains(token, "natbib Warning:")) {
606 if (contains(token, "Citation")
607 && contains(token, "on page")
608 && contains(token, "undefined")) {
611 } else if (contains(token, "run BibTeX")) {
613 } else if (contains(token, "Rerun LaTeX") ||
614 contains(token, "Rerun to get")) {
615 // at least longtable.sty and bibtopic.sty
617 LYXERR(Debug::LATEX, "We should rerun.");
620 } else if (token[0] == '(') {
621 if (contains(token, "Rerun LaTeX") ||
622 contains(token, "Rerun to get")) {
624 LYXERR(Debug::LATEX, "We should rerun.");
627 } else if (prefixIs(token, "! ") ||
628 fle_style && regex_match(token, sub, file_line_error)) {
629 // Ok, we have something that looks like a TeX Error
630 // but what do we really have.
632 // Just get the error description:
634 if (prefixIs(token, "! "))
635 desc = string(token, 2);
638 if (contains(token, "LaTeX Error:"))
639 retval |= LATEX_ERROR;
644 if (!getline(ifs, tmp))
648 } while (!prefixIs(tmp, "l."));
649 if (prefixIs(tmp, "l.")) {
650 // we have a latex error
653 "Package babel Error: You haven't defined the language") ||
655 "Package babel Error: You haven't loaded the option"))
656 retval |= ERROR_RERUN;
657 // get the line number:
659 sscanf(tmp.c_str(), "l.%d", &line);
660 // get the rest of the message:
661 string errstr(tmp, tmp.find(' '));
664 while (!contains(errstr, "l.")
666 && !prefixIs(tmp, "! ")
667 && !contains(tmp, "(job aborted")) {
672 LYXERR(Debug::LATEX, "line: " << line << '\n'
673 << "Desc: " << desc << '\n' << "Text: " << errstr);
674 if (line == last_line)
680 if (line_count <= 5) {
682 // We have no idea what the encoding of
684 // It seems that the output from the
685 // latex compiler itself is pure ASCII,
686 // but it can include bits from the
687 // document, so whatever encoding we
688 // assume here it can be wrong.
689 terr.insertError(line,
690 from_local8bit(desc),
691 from_local8bit(errstr));
696 // information messages, TeX warnings and other
697 // warnings we have not caught earlier.
698 if (prefixIs(token, "Overfull ")) {
699 retval |= TEX_WARNING;
700 } else if (prefixIs(token, "Underfull ")) {
701 retval |= TEX_WARNING;
702 } else if (contains(token, "Rerun to get citations")) {
703 // Natbib seems to use this.
705 } else if (contains(token, "No pages of output")) {
706 // A dvi file was not created
708 } else if (contains(token, "That makes 100 errors")) {
709 // More than 100 errors were reprted
710 retval |= TOO_MANY_ERRORS;
714 LYXERR(Debug::LATEX, "Log line: " << token);
721 bool insertIfExists(FileName const & absname, DepTable & head)
723 if (absname.exists() && !absname.isDirectory()) {
724 head.insert(absname, true);
731 bool handleFoundFile(string const & ff, DepTable & head)
733 // convert from native os path to unix path
734 string foundfile = os::internal_path(trim(ff));
736 LYXERR(Debug::DEPEND, "Found file: " << foundfile);
738 // Ok now we found a file.
739 // Now we should make sure that this is a file that we can
740 // access through the normal paths.
741 // We will not try any fancy search methods to
744 // (1) foundfile is an
745 // absolute path and should
747 if (absolutePath(foundfile)) {
748 LYXERR(Debug::DEPEND, "AbsolutePath file: " << foundfile);
749 // On initial insert we want to do the update at once
750 // since this file cannot be a file generated by
752 FileName absname(foundfile);
753 if (!insertIfExists(absname, head)) {
755 string strippedfile = foundfile;
756 while (contains(strippedfile, " ")) {
757 // files with spaces are often enclosed in quotation
758 // marks; those have to be removed
759 string unquoted = subst(strippedfile, "\"", "");
760 absname.set(unquoted);
761 if (insertIfExists(absname, head))
763 // strip off part after last space and try again
764 string tmp = strippedfile;
765 string const stripoff =
766 rsplit(tmp, strippedfile, ' ');
767 absname.set(strippedfile);
768 if (insertIfExists(absname, head))
774 string onlyfile = onlyFilename(foundfile);
775 FileName absname(makeAbsPath(onlyfile));
778 while (contains(foundfile, ' ')) {
779 if (absname.exists())
783 // files with spaces are often enclosed in quotation
784 // marks; those have to be removed
785 string unquoted = subst(foundfile, "\"", "");
786 absname = makeAbsPath(unquoted);
787 if (absname.exists())
789 // strip off part after last space and try again
791 string const stripoff =
792 rsplit(foundfile, strippedfile, ' ');
793 foundfile = strippedfile;
794 onlyfile = onlyFilename(strippedfile);
795 absname = makeAbsPath(onlyfile);
799 // (2) foundfile is in the tmpdir
800 // insert it into head
801 if (absname.exists() && !absname.isDirectory()) {
802 // FIXME: This regex contained glo, but glo is used by the old
803 // version of nomencl.sty. Do we need to put it back?
804 static regex const unwanted("^.*\\.(aux|log|dvi|bbl|ind)$");
805 if (regex_match(onlyfile, unwanted)) {
806 LYXERR(Debug::DEPEND, "We don't want " << onlyfile
807 << " in the dep file");
808 } else if (suffixIs(onlyfile, ".tex")) {
809 // This is a tex file generated by LyX
810 // and latex is not likely to change this
812 LYXERR(Debug::DEPEND, "Tmpdir TeX file: " << onlyfile);
813 head.insert(absname, true);
815 LYXERR(Debug::DEPEND, "In tmpdir file:" << onlyfile);
816 head.insert(absname);
820 LYXERR(Debug::DEPEND, "Not a file or we are unable to find it.");
826 bool checkLineBreak(string const & ff, DepTable & head)
828 if (!contains(ff, '.'))
831 // if we have a dot, we let handleFoundFile decide
832 return handleFoundFile(ff, head);
838 void LaTeX::deplog(DepTable & head)
840 // This function reads the LaTeX log file end extracts all the
841 // external files used by the LaTeX run. The files are then
842 // entered into the dependency file.
844 string const logfile =
845 onlyFilename(changeExtension(file.absFilename(), ".log"));
847 static regex const reg1("File: (.+).*");
848 static regex const reg2("No file (.+)(.).*");
849 static regex const reg3("\\\\openout[0-9]+.*=.*`(.+)(..).*");
850 // If an index should be created, MikTex does not write a line like
851 // \openout# = 'sample.idx'.
852 // but instead only a line like this into the log:
853 // Writing index file sample.idx
854 static regex const reg4("Writing index file (.+).*");
855 // files also can be enclosed in <...>
856 static regex const reg5("<([^>]+)(.).*");
857 static regex const regoldnomencl("Writing glossary file (.+).*");
858 static regex const regnomencl("Writing nomenclature file (.+).*");
859 // If a toc should be created, MikTex does not write a line like
860 // \openout# = `sample.toc'.
861 // but only a line like this into the log:
863 // This line is also written by tetex.
864 // This line is not present if no toc should be created.
865 static regex const miktexTocReg("\\\\tf@toc=\\\\write.*");
866 static regex const reg6(".*\\([^)]+.*");
868 FileName const fn = makeAbsPath(logfile);
869 ifstream ifs(fn.toFilesystemEncoding().c_str());
872 // Ok, the scanning of files here is not sufficient.
873 // Sometimes files are named by "File: xxx" only
874 // So I think we should use some regexps to find files instead.
875 // Note: all file names and paths might contains spaces.
876 bool found_file = false;
879 // MikTeX sometimes inserts \0 in the log file. They can't be
880 // removed directly with the existing string utility
881 // functions, so convert them first to \r, and remove all
882 // \r's afterwards, since we need to remove them anyway.
883 token = subst(token, '\0', '\r');
884 token = subst(token, "\r", "");
885 if (token.empty() || token == ")") {
890 // Sometimes, filenames are broken across lines.
891 // We care for that and save suspicious lines.
892 // Here we exclude some cases where we are sure
893 // that there is no continued filename
894 if (!lastline.empty()) {
895 static regex const package_info("Package \\w+ Info: .*");
896 static regex const package_warning("Package \\w+ Warning: .*");
897 if (prefixIs(token, "File:") || prefixIs(token, "(Font)")
898 || prefixIs(token, "Package:")
899 || prefixIs(token, "Language:")
900 || prefixIs(token, "LaTeX Info:")
901 || prefixIs(token, "LaTeX Font Info:")
902 || prefixIs(token, "\\openout[")
903 || prefixIs(token, "))")
904 || regex_match(token, package_info)
905 || regex_match(token, package_warning))
909 if (!lastline.empty())
910 // probably a continued filename from last line
911 token = lastline + token;
912 if (token.length() > 255) {
913 // string too long. Cut off.
914 token.erase(0, token.length() - 251);
919 // FIXME UNICODE: We assume that the file names in the log
920 // file are in the file system encoding.
921 token = to_utf8(from_filesystem8bit(token));
923 // (1) "File: file.ext"
924 if (regex_match(token, sub, reg1)) {
926 found_file = checkLineBreak(sub.str(1), head);
928 if (suffixIs(token, ")"))
929 // no line break for sure
930 // pretend we've been succesfully searching
932 // (2) "No file file.ext"
933 } else if (regex_match(token, sub, reg2)) {
934 // file names must contains a dot, line ends with dot
935 if (contains(sub.str(1), '.') && sub.str(2) == ".")
936 found_file = handleFoundFile(sub.str(1), head);
938 // we suspect a line break
940 // (3) "\openout<nr> = `file.ext'."
941 } else if (regex_match(token, sub, reg3)) {
942 // search for closing '. at the end of the line
943 if (sub.str(2) == "\'.")
944 found_file = handleFoundFile(sub.str(1), head);
946 // probable line break
948 // (4) "Writing index file file.ext"
949 } else if (regex_match(token, sub, reg4))
951 found_file = checkLineBreak(sub.str(1), head);
953 else if (regex_match(token, sub, reg5)) {
954 // search for closing '>' and dot ('*.*>') at the eol
955 if (contains(sub.str(1), '.') && sub.str(2) == ">")
956 found_file = handleFoundFile(sub.str(1), head);
958 // probable line break
960 // (6) "Writing nomenclature file file.ext"
961 } else if (regex_match(token, sub, regnomencl) ||
962 regex_match(token, sub, regoldnomencl))
964 found_file = checkLineBreak(sub.str(1), head);
965 // (7) "\tf@toc=\write<nr>" (for MikTeX)
966 else if (regex_match(token, sub, miktexTocReg))
967 found_file = handleFoundFile(onlyFilename(changeExtension(
968 file.absFilename(), ".toc")), head);
970 // not found, but we won't check further
971 // pretend we've been succesfully searching
975 // note that we can have several of these on one line
976 // this must be queried separated, because of
977 // cases such as "File: file.ext (type eps)"
978 // where "File: file.ext" would be skipped
979 if (regex_match(token, sub, reg6)) {
980 // search for strings in (...)
981 static regex reg6_1("\\(([^()]+)(.).*");
983 string::const_iterator first = token.begin();
984 string::const_iterator end = token.end();
986 while (regex_search(first, end, what, reg6_1)) {
987 // if we have a dot, try to handle as file
988 if (contains(what.str(1), '.')) {
989 first = what[0].second;
990 if (what.str(2) == ")") {
991 handleFoundFile(what.str(1), head);
992 // since we had a closing bracket,
993 // do not investigate further
996 // if we have no closing bracket,
997 // try to handle as file nevertheless
998 found_file = handleFoundFile(
999 what.str(1) + what.str(2), head);
1001 // if we do not have a dot, check if the line has
1002 // a closing bracket (else, we suspect a line break)
1003 else if (what.str(2) != ")") {
1004 first = what[0].second;
1007 // we have a closing bracket, so the content
1008 // is not a file name.
1009 // no need to investigate further
1010 // pretend we've been succesfully searching
1011 first = what[0].second;
1018 // probable linebreak:
1022 // no linebreak: reset
1023 lastline = string();
1026 // Make sure that the main .tex file is in the dependency file.
1027 head.insert(file, true);