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
12 * Full author contact details are available in file CREDITS.
18 #include "bufferlist.h"
23 #include "support/filetools.h"
24 #include "support/FileInfo.h"
25 #include "support/tostr.h"
26 #include "support/lstrings.h"
27 #include "support/lyxlib.h"
28 #include "support/systemcall.h"
29 #include "support/os.h"
31 #include <boost/regex.hpp>
35 using lyx::support::AbsolutePath;
36 using lyx::support::bformat;
37 using lyx::support::ChangeExtension;
38 using lyx::support::contains;
39 using lyx::support::FileInfo;
40 using lyx::support::findtexfile;
41 using lyx::support::getcwd;
42 using lyx::support::OnlyFilename;
43 using lyx::support::prefixIs;
44 using lyx::support::QuoteName;
45 using lyx::support::rtrim;
46 using lyx::support::split;
47 using lyx::support::suffixIs;
48 using lyx::support::Systemcall;
49 using lyx::support::unlink;
50 using lyx::support::trim;
52 namespace os = lyx::support::os;
58 #ifndef CXX_GLOBAL_CSTD
69 // TODO: in no particular order
70 // - get rid of the extern BufferList and the call to
71 // BufferList::updateIncludedTeXfiles, this should either
72 // be done before calling LaTeX::funcs or in a completely
74 // - the makeindex style files should be taken care of with
75 // the dependency mechanism.
76 // - makeindex commandline options should be supported
77 // - somewhere support viewing of bibtex and makeindex log files.
78 // - we should perhaps also scan the bibtex log file
80 extern BufferList bufferlist;
84 string runMessage(unsigned int count)
86 return bformat(_("Waiting for LaTeX run number %1$s"), tostr(count));
95 void TeXErrors::insertError(int line, string const & error_desc,
96 string const & error_text)
98 Error newerr(line, error_desc, error_text);
99 errors.push_back(newerr);
103 bool operator==(Aux_Info const & a, Aux_Info const & o)
105 return a.aux_file == o.aux_file &&
106 a.citations == o.citations &&
107 a.databases == o.databases &&
108 a.styles == o.styles;
112 bool operator!=(Aux_Info const & a, Aux_Info const & o)
122 LaTeX::LaTeX(string const & latex, OutputParams const & rp,
123 string const & f, string const & p)
124 : cmd(latex), file(f), path(p), runparams(rp)
127 depfile = file + ".dep";
128 if (prefixIs(cmd, "pdf")) { // Do we use pdflatex ?
130 output_file = ChangeExtension(file,".pdf");
132 output_file = ChangeExtension(file,".dvi");
137 void LaTeX::deleteFilesOnError() const
139 // currently just a dummy function.
141 // What files do we have to delete?
143 // This will at least make latex do all the runs
146 // but the reason for the error might be in a generated file...
148 string const ofname = OnlyFilename(file);
151 string const bbl = ChangeExtension(ofname, ".bbl");
155 string const ind = ChangeExtension(ofname, ".ind");
158 // Also remove the aux file
159 string const aux = ChangeExtension(ofname, ".aux");
164 int LaTeX::run(TeXErrors & terr)
165 // We know that this function will only be run if the lyx buffer
166 // has been changed. We also know that a newly written .tex file
167 // is always different from the previous one because of the date
168 // in it. However it seems safe to run latex (at least) on time each
169 // time the .tex file changes.
171 int scanres = NO_ERRORS;
172 unsigned int count = 0; // number of times run
173 num_errors = 0; // just to make sure.
174 unsigned int const MAX_RUN = 6;
175 DepTable head; // empty head
176 bool rerun = false; // rerun requested
178 // The class LaTeX does not know the temp path.
179 bufferlist.updateIncludedTeXfiles(getcwd(), runparams);
181 // Never write the depfile if an error was encountered.
184 // first check if the file dependencies exist:
185 // ->If it does exist
186 // check if any of the files mentioned in it have
187 // changed (done using a checksum).
189 // run latex once and
190 // remake the dependency file
191 // -> if not changed:
192 // just return there is nothing to do for us.
193 // ->if it doesn't exist
195 // run latex once (we need to run latex once anyway) and
196 // remake the dependency file.
199 FileInfo fi(depfile);
200 bool had_depfile = fi.exist();
201 bool run_bibtex = false;
202 string aux_file = OnlyFilename(ChangeExtension(file, "aux"));
205 lyxerr[Debug::DEPEND] << "Dependency file exists" << endl;
206 // Read the dep file:
207 had_depfile = head.read(depfile);
211 // Update the checksums
213 // Can't just check if anything has changed because it might have aborted
214 // on error last time... in which cas we need to re-run latex
215 // and collect the error messages (even if they are the same).
216 if (!FileInfo(output_file).exist()) {
217 lyxerr[Debug::DEPEND]
218 << "re-running LaTeX because output file doesn't exist." << endl;
219 } else if (!head.sumchange()) {
220 lyxerr[Debug::DEPEND] << "return no_change" << endl;
223 lyxerr[Debug::DEPEND]
224 << "Dependency file has changed" << endl;
227 if (head.extchanged(".bib") || head.extchanged(".bst"))
230 lyxerr[Debug::DEPEND]
231 << "Dependency file does not exist, or has wrong format" << endl;
233 /// We scan the aux file even when had_depfile = false,
234 /// because we can run pdflatex on the file after running latex on it,
235 /// in which case we will not need to run bibtex again.
236 vector<Aux_Info> bibtex_info_old;
238 bibtex_info_old = scanAuxFiles(aux_file);
241 lyxerr[Debug::LATEX] << "Run #" << count << endl;
242 message(runMessage(count));
245 scanres = scanLogFile(terr);
246 if (scanres & ERROR_RERUN) {
247 lyxerr[Debug::LATEX] << "Rerunning LaTeX" << endl;
249 scanres = scanLogFile(terr);
252 if (scanres & ERRORS) {
253 deleteFilesOnError();
254 return scanres; // return on error
257 vector<Aux_Info> const bibtex_info = scanAuxFiles(aux_file);
258 if (!run_bibtex && bibtex_info_old != bibtex_info)
261 // update the dependencies.
262 deplog(head); // reads the latex log
266 // At this point we must run external programs if needed.
267 // makeindex will be run if a .idx file changed or was generated.
268 // And if there were undefined citations or changes in references
269 // the .aux file is checked for signs of bibtex. Bibtex is then run
273 if (head.haschanged(OnlyFilename(ChangeExtension(file, ".idx")))) {
275 lyxerr[Debug::LATEX] << "Running MakeIndex." << endl;
276 message(_("Running MakeIndex."));
277 rerun = runMakeIndex(OnlyFilename(ChangeExtension(file, ".idx")));
281 // if (scanres & UNDEF_CIT || scanres & RERUN || run_bibtex)
282 if (scanres & UNDEF_CIT || run_bibtex) {
283 // Here we must scan the .aux file and look for
284 // "\bibdata" and/or "\bibstyle". If one of those
285 // tags is found -> run bibtex and set rerun = true;
287 lyxerr[Debug::LATEX] << "Running BibTeX." << endl;
288 message(_("Running BibTeX."));
289 updateBibtexDependencies(head, bibtex_info);
290 rerun |= runBibTeX(bibtex_info);
291 } else if (!had_depfile) {
292 /// If we run pdflatex on the file after running latex on it,
293 /// then we do not need to run bibtex, but we do need to
294 /// insert the .bib and .bst files into the .dep-pdf file.
295 updateBibtexDependencies(head, bibtex_info);
299 // we know on this point that latex has been run once (or we just
300 // returned) and the question now is to decide if we need to run
301 // it any more. This is done by asking if any of the files in the
302 // dependency file has changed. (remember that the checksum for
303 // a given file is reported to have changed if it just was created)
304 // -> if changed or rerun == true:
305 // run latex once more and
306 // update the dependency structure
307 // -> if not changed:
308 // we does nothing at this point
310 if (rerun || head.sumchange()) {
313 lyxerr[Debug::DEPEND]
314 << "Dep. file has changed or rerun requested" << endl;
316 << "Run #" << count << endl;
317 message(runMessage(count));
319 scanres = scanLogFile(terr);
320 if (scanres & ERRORS) {
321 deleteFilesOnError();
322 return scanres; // return on error
325 // update the depedencies
326 deplog(head); // reads the latex log
329 lyxerr[Debug::DEPEND] << "Dep. file has NOT changed" << endl;
333 // The inclusion of files generated by external programs like
334 // makeindex or bibtex might have done changes to pagenumbereing,
335 // etc. And because of this we must run the external programs
336 // again to make sure everything is redone correctly.
337 // Also there should be no need to run the external programs any
340 // run makeindex if the <file>.idx has changed or was generated.
341 if (head.haschanged(OnlyFilename(ChangeExtension(file, ".idx")))) {
343 lyxerr[Debug::LATEX] << "Running MakeIndex." << endl;
344 message(_("Running MakeIndex."));
345 rerun = runMakeIndex(OnlyFilename(ChangeExtension(file, ".idx")));
349 // we will only run latex more if the log file asks for it.
350 // or if the sumchange() is true.
351 // -> rerun asked for:
353 // remake the dependency file
354 // goto 2 or return if max runs are reached.
355 // -> rerun not asked for:
356 // just return (fall out of bottom of func)
358 while ((head.sumchange() || rerun || (scanres & RERUN))
359 && count < MAX_RUN) {
360 // Yes rerun until message goes away, or until
361 // MAX_RUNS are reached.
364 lyxerr[Debug::LATEX] << "Run #" << count << endl;
365 message(runMessage(count));
367 scanres = scanLogFile(terr);
368 if (scanres & ERRORS) {
369 deleteFilesOnError();
370 return scanres; // return on error
377 // Write the dependencies to file.
379 lyxerr[Debug::LATEX] << "Done." << endl;
384 int LaTeX::startscript()
387 string tmp = cmd + ' ' + QuoteName(file) + " > /dev/null";
388 #else // cmd.exe (OS/2) causes SYS0003 error at "/dev/null"
389 string tmp = cmd + ' ' + file + " > nul";
392 return one.startscript(Systemcall::Wait, tmp);
396 bool LaTeX::runMakeIndex(string const & f)
398 lyxerr[Debug::LATEX] << "idx file has been made,"
399 " running makeindex on file "
401 string tmp = lyxrc.index_command + " ";
404 one.startscript(Systemcall::Wait, tmp);
409 vector<Aux_Info> const
410 LaTeX::scanAuxFiles(string const & file)
412 vector<Aux_Info> result;
414 result.push_back(scanAuxFile(file));
416 for (int i = 1; i < 1000; ++i) {
417 string file2 = ChangeExtension(file, "") + '.' + tostr(i)
422 result.push_back(scanAuxFile(file2));
428 Aux_Info const LaTeX::scanAuxFile(string const & file)
431 result.aux_file = file;
432 scanAuxFile(file, result);
437 void LaTeX::scanAuxFile(string const & file, Aux_Info & aux_info)
439 lyxerr[Debug::LATEX] << "Scanning aux file: " << file << endl;
441 ifstream ifs(file.c_str());
443 static regex const reg1("\\\\citation\\{([^}]+)\\}");
444 static regex const reg2("\\\\bibdata\\{([^}]+)\\}");
445 static regex const reg3("\\\\bibstyle\\{([^}]+)\\}");
446 static regex const reg4("\\\\@input\\{([^}]+)\\}");
448 while (getline(ifs, token)) {
449 token = rtrim(token, "\r");
451 if (regex_match(token, sub, reg1)) {
452 string data = sub.str(1);
453 while (!data.empty()) {
455 data = split(data, citation, ',');
456 lyxerr[Debug::LATEX] << "Citation: "
458 aux_info.citations.insert(citation);
460 } else if (regex_match(token, sub, reg2)) {
461 string data = sub.str(1);
462 // data is now all the bib files separated by ','
463 // get them one by one and pass them to the helper
464 while (!data.empty()) {
466 data = split(data, database, ',');
467 database = ChangeExtension(database, "bib");
468 lyxerr[Debug::LATEX] << "BibTeX database: `"
469 << database << '\'' << endl;
470 aux_info.databases.insert(database);
472 } else if (regex_match(token, sub, reg3)) {
473 string style = sub.str(1);
474 // token is now the style file
475 // pass it to the helper
476 style = ChangeExtension(style, "bst");
477 lyxerr[Debug::LATEX] << "BibTeX style: `"
478 << style << '\'' << endl;
479 aux_info.styles.insert(style);
480 } else if (regex_match(token, sub, reg4)) {
481 string const file2 = sub.str(1);
482 scanAuxFile(file2, aux_info);
488 void LaTeX::updateBibtexDependencies(DepTable & dep,
489 vector<Aux_Info> const & bibtex_info)
491 // Since a run of Bibtex mandates more latex runs it is ok to
492 // remove all ".bib" and ".bst" files.
493 dep.remove_files_with_extension(".bib");
494 dep.remove_files_with_extension(".bst");
495 //string aux = OnlyFilename(ChangeExtension(file, ".aux"));
497 for (vector<Aux_Info>::const_iterator it = bibtex_info.begin();
498 it != bibtex_info.end(); ++it) {
499 for (set<string>::const_iterator it2 = it->databases.begin();
500 it2 != it->databases.end(); ++it2) {
501 string file = findtexfile(*it2, "bib");
503 dep.insert(file, true);
506 for (set<string>::const_iterator it2 = it->styles.begin();
507 it2 != it->styles.end(); ++it2) {
508 string file = findtexfile(*it2, "bst");
510 dep.insert(file, true);
516 bool LaTeX::runBibTeX(vector<Aux_Info> const & bibtex_info)
519 for (vector<Aux_Info>::const_iterator it = bibtex_info.begin();
520 it != bibtex_info.end(); ++it) {
521 if (it->databases.empty())
525 string tmp = lyxrc.bibtex_command + " ";
526 tmp += QuoteName(OnlyFilename(ChangeExtension(it->aux_file, string())));
528 one.startscript(Systemcall::Wait, tmp);
530 // Return whether bibtex was run
535 int LaTeX::scanLogFile(TeXErrors & terr)
539 int retval = NO_ERRORS;
540 string tmp = OnlyFilename(ChangeExtension(file, ".log"));
541 lyxerr[Debug::LATEX] << "Log file: " << tmp << endl;
542 ifstream ifs(tmp.c_str());
545 while (getline(ifs, token)) {
546 lyxerr[Debug::LATEX] << "Log line: " << token << endl;
551 if (prefixIs(token, "LaTeX Warning:")) {
552 // Here shall we handle different
554 retval |= LATEX_WARNING;
555 lyxerr[Debug::LATEX] << "LaTeX Warning." << endl;
556 if (contains(token, "Rerun to get cross-references")) {
559 << "We should rerun." << endl;
560 } else if (contains(token, "Citation")
561 && contains(token, "on page")
562 && contains(token, "undefined")) {
565 } else if (prefixIs(token, "Package")) {
567 retval |= PACKAGE_WARNING;
568 if (contains(token, "natbib Warning:")) {
570 if (contains(token, "Citation")
571 && contains(token, "on page")
572 && contains(token, "undefined")) {
575 } else if (contains(token, "run BibTeX")) {
577 } else if (contains(token, "Rerun LaTeX") ||
578 contains(token, "Rerun to get")) {
579 // at least longtable.sty and bibtopic.sty
582 << "We should rerun." << endl;
585 } else if (token[0] == '(') {
586 if (contains(token, "Rerun LaTeX") ||
587 contains(token, "Rerun to get")) {
590 << "We should rerun." << endl;
593 } else if (prefixIs(token, "! ")) {
594 // Ok, we have something that looks like a TeX Error
595 // but what do we really have.
597 // Just get the error description:
598 string desc(token, 2);
599 if (contains(token, "LaTeX Error:"))
600 retval |= LATEX_ERROR;
605 if (!getline(ifs, tmp))
609 } while (!prefixIs(tmp, "l."));
610 if (prefixIs(tmp, "l.")) {
611 // we have a latex error
613 if (contains(desc, "Package babel Error: You haven't defined the language"))
614 retval |= ERROR_RERUN;
615 // get the line number:
617 sscanf(tmp.c_str(), "l.%d", &line);
618 // get the rest of the message:
619 string errstr(tmp, tmp.find(' '));
622 while (!contains(errstr, "l.")
624 && !prefixIs(tmp, "! ")
625 && !contains(tmp, "(job aborted")) {
631 << "line: " << line << '\n'
632 << "Desc: " << desc << '\n'
633 << "Text: " << errstr << endl;
634 if (line == last_line)
640 if (line_count <= 5) {
641 terr.insertError(line, desc, errstr);
646 // information messages, TeX warnings and other
647 // warnings we have not caught earlier.
648 if (prefixIs(token, "Overfull ")) {
649 retval |= TEX_WARNING;
650 } else if (prefixIs(token, "Underfull ")) {
651 retval |= TEX_WARNING;
652 } else if (contains(token, "Rerun to get citations")) {
653 // Natbib seems to use this.
655 } else if (contains(token, "No pages of output")) {
656 // A dvi file was not created
658 } else if (contains(token, "That makes 100 errors")) {
659 // More than 100 errors were reprted
660 retval |= TOO_MANY_ERRORS;
664 lyxerr[Debug::LATEX] << "Log line: " << token << endl;
671 void handleFoundFile(string const & ff, DepTable & head)
673 // convert from native os path to unix path
674 string const foundfile = os::internal_path(trim(ff));
676 lyxerr[Debug::DEPEND] << "Found file: " << foundfile << endl;
678 // Ok now we found a file.
679 // Now we should make sure that this is a file that we can
680 // access through the normal paths.
681 // We will not try any fancy search methods to
684 // (1) foundfile is an
685 // absolute path and should
687 if (AbsolutePath(foundfile)) {
688 lyxerr[Debug::DEPEND] << "AbsolutePath file: "
689 << foundfile << endl;
690 // On initial insert we want to do the update at once
691 // since this file can not be a file generated by
693 if (FileInfo(foundfile).exist())
694 head.insert(foundfile, true);
699 string const onlyfile = OnlyFilename(foundfile);
701 // (2) foundfile is in the tmpdir
702 // insert it into head
703 if (FileInfo(onlyfile).exist()) {
704 static regex unwanted("^.*\\.(aux|log|dvi|bbl|ind|glo)$");
705 if (regex_match(onlyfile, unwanted)) {
706 lyxerr[Debug::DEPEND]
709 << " in the dep file"
711 } else if (suffixIs(onlyfile, ".tex")) {
712 // This is a tex file generated by LyX
713 // and latex is not likely to change this
715 lyxerr[Debug::DEPEND]
716 << "Tmpdir TeX file: "
719 head.insert(onlyfile, true);
721 lyxerr[Debug::DEPEND]
725 head.insert(onlyfile);
728 lyxerr[Debug::DEPEND]
729 << "Not a file or we are unable to find it."
736 void LaTeX::deplog(DepTable & head)
738 // This function reads the LaTeX log file end extracts all the external
739 // files used by the LaTeX run. The files are then entered into the
742 string const logfile = OnlyFilename(ChangeExtension(file, ".log"));
744 static regex reg1(".*\\([^)]+.*");
745 static regex reg2("File: ([^ ]+).*");
746 static regex reg3("No file ([^ ]+)\\..*");
747 static regex reg4("\\\\openout[0-9]+.*=.*`([^ ]+)'\\..*");
748 // If an index should be created, MikTex does not write a line like
749 // \openout# = 'sample,idx'.
750 // but intstead only a line like this into the log:
751 // Writing index file sample.idx
752 static regex reg5("Writing index file ([^ ]+).*");
754 ifstream ifs(logfile.c_str());
756 // Ok, the scanning of files here is not sufficient.
757 // Sometimes files are named by "File: xxx" only
758 // So I think we should use some regexps to find files instead.
759 // "(\([^ ]+\)" should match the "(file " variant, note
760 // that we can have several of these on one line.
761 // "File: \([^ ]+\)" should match the "File: file" variant
765 token = rtrim(token, "\r");
771 if (regex_match(token, sub, reg1)) {
772 static regex reg1_1("\\(([^()]+)");
774 string::const_iterator first = token.begin();
775 string::const_iterator end = token.end();
777 while (regex_search(first, end, what, reg1_1)) {
778 first = what[0].second;
779 handleFoundFile(what.str(1), head);
781 } else if (regex_match(token, sub, reg2)) {
782 handleFoundFile(sub.str(1), head);
783 } else if (regex_match(token, sub, reg3)) {
784 handleFoundFile(sub.str(1), head);
785 } else if (regex_match(token, sub, reg4)) {
786 handleFoundFile(sub.str(1), head);
787 } else if (regex_match(token, sub, reg5)) {
788 handleFoundFile(sub.str(1), head);
792 // Make sure that the main .tex file is in the dependancy file.
793 head.insert(OnlyFilename(file), true);