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+"=============================================================================
+" File: compiler.vim
+" Author: Srinath Avadhanula
+" Created: Tue Apr 23 05:00 PM 2002 PST
+"
+" Description: functions for compiling/viewing/searching latex documents
+" CVS: $Id: compiler.vim 997 2006-03-20 09:45:45Z srinathava $
+"=============================================================================
+
+" Tex_SetTeXCompilerTarget: sets the 'target' for the next call to Tex_RunLaTeX() {{{
+function! Tex_SetTeXCompilerTarget(type, target)
+ call Tex_Debug("+Tex_SetTeXCompilerTarget: setting target to [".a:target."] for ".a:type."r", "comp")
+
+ if a:target == ''
+ let target = Tex_GetVarValue('Tex_DefaultTargetFormat')
+ let target = input('Enter the target format for '.a:type.'r: ', target)
+ else
+ let target = a:target
+ endif
+ if target == ''
+ let target = 'dvi'
+ endif
+
+ let targetRule = Tex_GetVarValue('Tex_'.a:type.'Rule_'.target)
+
+ if targetRule != ''
+ if a:type == 'Compile'
+ let &l:makeprg = escape(targetRule, Tex_GetVarValue('Tex_EscapeChars'))
+ elseif a:type == 'View'
+ let s:viewer = targetRule
+ endif
+ let s:target = target
+
+ elseif Tex_GetVarValue('Tex_'.a:type.'RuleComplete_'.target) != ''
+ let s:target = target
+
+ else
+ let curd = getcwd()
+ exe 'cd '.expand('%:p:h')
+ if !Tex_GetVarValue('Tex_UseMakefile') || (glob('makefile*') == '' && glob('Makefile*') == '')
+ if has('gui_running')
+ call confirm(
+ \'No '.a:type.' rule defined for target '.target."\n".
+ \'Please specify a rule in $VIMRUNTIME/ftplugin/tex/texrc'."\n".
+ \' :help Tex_'.a:type.'Rule_format'."\n".
+ \'for more information',
+ \"&ok", 1, 'Warning')
+ else
+ call input(
+ \'No '.a:type.' rule defined for target '.target."\n".
+ \'Please specify a rule in $VIMRUNTIME/ftplugin/tex/texrc'."\n".
+ \' :help Tex_'.a:type.'Rule_format'."\n".
+ \'for more information'
+ \)
+ endif
+ else
+ echomsg 'Assuming target is for makefile'
+ let s:target = target
+ endif
+ exe 'cd '.curd
+ endif
+endfunction
+
+function! SetTeXTarget(...)
+ if a:0 < 1
+ let target = Tex_GetVarValue('Tex_DefaultTargetFormat')
+ let target = input('Enter the target format for compiler and viewer: ', target)
+ else
+ let target = a:1
+ endif
+ if target == ''
+ let target = 'dvi'
+ endif
+
+ call Tex_SetTeXCompilerTarget('Compile', target)
+ call Tex_SetTeXCompilerTarget('View', target)
+endfunction
+
+com! -nargs=1 TCTarget :call Tex_SetTeXCompilerTarget('Compile', <f-args>)
+com! -nargs=1 TVTarget :call Tex_SetTeXCompilerTarget('View', <f-args>)
+com! -nargs=? TTarget :call SetTeXTarget(<f-args>)
+
+" }}}
+" Tex_CompileLatex: compiles the present file. {{{
+" Description:
+function! Tex_CompileLatex()
+ if &ft != 'tex'
+ echo "calling Tex_RunLaTeX from a non-tex file"
+ return
+ end
+
+ " close any preview windows left open.
+ pclose!
+
+ let curd = getcwd()
+
+ " Find the main file corresponding to this file. Always cd to the
+ " directory containing the file to avoid problems with the directory
+ " containing spaces.
+ " Latex on linux seems to be unable to handle file names with spaces at
+ " all! Therefore for the moment, do not attempt to handle spaces in the
+ " file name.
+ if exists('b:fragmentFile')
+ let mainfname = expand('%:p:t')
+ call Tex_CD(expand('%:p:h'))
+ else
+ let mainfname = Tex_GetMainFileName(':p:t')
+ call Tex_CD(Tex_GetMainFileName(':p:h'))
+ end
+
+ call Tex_Debug('Tex_CompileLatex: getting mainfname = ['.mainfname.'] from Tex_GetMainFileName', 'comp')
+
+ " if a makefile exists and the user wants to use it, then use that
+ " irrespective of whether *.latexmain exists or not. mainfname is still
+ " extracted from *.latexmain (if possible) log file name depends on the
+ " main file which will be compiled.
+ if Tex_GetVarValue('Tex_UseMakefile') && (glob('makefile') != '' || glob('Makefile') != '')
+ let _makeprg = &l:makeprg
+ call Tex_Debug("Tex_CompileLatex: using the makefile in the current directory", "comp")
+ let &l:makeprg = 'make $*'
+ if exists('s:target')
+ call Tex_Debug('Tex_CompileLatex: execing [make! '.s:target.']', 'comp')
+ exec 'make! '.s:target
+ else
+ call Tex_Debug('Tex_CompileLatex: execing [make!]', 'comp')
+ exec 'make!'
+ endif
+ let &l:makeprg = _makeprg
+ else
+ " If &makeprg has something like "$*.ps", it means that it wants the
+ " file-name without the extension... Therefore remove it.
+ if &makeprg =~ '\$\*\.\w\+'
+ let mainfname = fnamemodify(mainfname, ':r')
+ endif
+ call Tex_Debug('Tex_CompileLatex: execing [make! '.mainfname.']', 'comp')
+ exec 'make! '.mainfname
+ endif
+ redraw!
+
+ call Tex_CD(curd)
+endfunction " }}}
+" Tex_RunLaTeX: compilation function {{{
+" this function runs the latex command on the currently open file. often times
+" the file being currently edited is only a fragment being \input'ed into some
+" master tex file. in this case, make a file called mainfile.latexmain in the
+" directory containig the file. in other words, if the current file is
+" ~/thesis/chapter.tex
+" so that doing "latex chapter.tex" doesnt make sense, then make a file called
+" main.tex.latexmain
+" in the ~/thesis directory. this will then run "latex main.tex" when
+" Tex_RunLaTeX() is called.
+function! Tex_RunLaTeX()
+ call Tex_Debug('+Tex_RunLaTeX, b:fragmentFile = '.exists('b:fragmentFile'), 'comp')
+
+ let dir = expand("%:p:h").'/'
+ let curd = getcwd()
+ call Tex_CD(expand("%:p:h"))
+
+ let initTarget = s:target
+
+ " first get the dependency chain of this format.
+ call Tex_Debug("Tex_RunLaTeX: compiling to target [".s:target."]", "comp")
+
+ if Tex_GetVarValue('Tex_FormatDependency_'.s:target) != ''
+ let dependency = Tex_GetVarValue('Tex_FormatDependency_'.s:target)
+ if dependency !~ ','.s:target.'$'
+ let dependency = dependency.','.s:target
+ endif
+ else
+ let dependency = s:target
+ endif
+
+ call Tex_Debug('Tex_RunLaTeX: getting dependency chain = ['.dependency.']', 'comp')
+
+ " now compile to the final target format via each dependency.
+ let i = 1
+ while Tex_Strntok(dependency, ',', i) != ''
+ let s:target = Tex_Strntok(dependency, ',', i)
+
+ call Tex_SetTeXCompilerTarget('Compile', s:target)
+ call Tex_Debug('Tex_RunLaTeX: setting target to '.s:target, 'comp')
+
+ if Tex_GetVarValue('Tex_MultipleCompileFormats') =~ '\<'.s:target.'\>'
+ call Tex_Debug("Tex_RunLaTeX: compiling file multiple times via Tex_CompileMultipleTimes", "comp")
+ call Tex_CompileMultipleTimes()
+ else
+ call Tex_Debug("Tex_RunLaTeX: compiling file once via Tex_CompileLatex", "comp")
+ call Tex_CompileLatex()
+ endif
+
+ let errlist = Tex_GetErrorList()
+ call Tex_Debug("Tex_RunLaTeX: errlist = [".errlist."]", "comp")
+
+ " If there are any errors, then break from the rest of the steps
+ if errlist =~ '\v(error|warning)'
+ call Tex_Debug('Tex_RunLaTeX: There were errors in compiling, breaking chain...', 'comp')
+ break
+ endif
+
+ let i = i + 1
+ endwhile
+
+ let s:target = initTarget
+ let s:origwinnum = winnr()
+ call Tex_SetupErrorWindow()
+
+ call Tex_CD(curd)
+ call Tex_Debug("-Tex_RunLaTeX", "comp")
+endfunction
+
+" }}}
+" Tex_ViewLaTeX: opens viewer {{{
+" Description: opens the DVI viewer for the file being currently edited.
+" Again, if the current file is a \input in a master file, see text above
+" Tex_RunLaTeX() to see how to set this information.
+function! Tex_ViewLaTeX()
+ if &ft != 'tex'
+ echo "calling Tex_ViewLaTeX from a non-tex file"
+ return
+ end
+
+ let curd = getcwd()
+
+ " If b:fragmentFile is set, it means this file was compiled as a fragment
+ " using Tex_PartCompile, which means that we want to ignore any
+ " *.latexmain or makefile's.
+ if !exists('b:fragmentFile')
+ " cd to the location of the file to avoid having to deal with spaces
+ " in the directory name.
+ let mainfname = Tex_GetMainFileName(':p:t:r')
+ call Tex_CD(Tex_GetMainFileName(':p:h'))
+ else
+ let mainfname = expand("%:p:t:r")
+ call Tex_CD(expand("%:p:h"))
+ endif
+
+ if Tex_GetVarValue('Tex_ViewRuleComplete_'.s:target) != ''
+
+ let execString = Tex_GetVarValue('Tex_ViewRuleComplete_'.s:target)
+ let execString = substitute(execString, '{v:servername}', v:servername, 'g')
+
+ elseif has('win32')
+ " unfortunately, yap does not allow the specification of an external
+ " editor from the command line. that would have really helped ensure
+ " that this particular vim and yap are connected.
+ let execString = 'start '.s:viewer.' "$*.'.s:target.'"'
+
+ elseif has('macunix')
+ if strlen(s:viewer)
+ let s:viewer = '-a '.s:viewer
+ endif
+ let execString = 'open '.s:viewer.' $*.'.s:target
+
+ else
+ " taken from Dimitri Antoniou's tip on vim.sf.net (tip #225).
+ " slight change to actually use the current servername instead of
+ " hardcoding it as xdvi.
+ " Using an option for specifying the editor in the command line
+ " because that seems to not work on older bash'es.
+ if s:target == 'dvi'
+
+ if Tex_GetVarValue('Tex_UseEditorSettingInDVIViewer') == 1 &&
+ \ v:servername != '' &&
+ \ (s:viewer == "xdvi" || s:viewer == "xdvik")
+
+ let execString = s:viewer.' -editor "gvim --servername '.v:servername.
+ \ ' --remote-silent +\%l \%f" $*.dvi &'
+
+ elseif Tex_GetVarValue('Tex_UseEditorSettingInDVIViewer') == 1 &&
+ \ s:viewer == "kdvi"
+
+ let execString = 'kdvi --unique $*.dvi &'
+
+ else
+
+ let execString = s:viewer.' $*.dvi &'
+
+ endif
+
+ else
+
+ let execString = s:viewer.' $*.'.s:target.' &'
+
+ endif
+ end
+
+ let execString = substitute(execString, '\V$*', mainfname, 'g')
+ call Tex_Debug("Tex_ViewLaTeX: execString = ".execString, "comp")
+
+ exec 'silent! !'.execString
+
+ if !has('gui_running')
+ redraw!
+ endif
+
+ call Tex_CD(curd)
+endfunction
+
+" }}}
+" Tex_ForwardSearchLaTeX: searches for current location in dvi file. {{{
+" Description: if the DVI viewr is compatible, then take the viewer to that
+" position in the dvi file. see docs for Tex_RunLaTeX() to set a
+" master file if this is an \input'ed file.
+" Tip: With YAP on Windows, it is possible to do forward and inverse searches
+" on DVI files. to do forward search, you'll have to compile the file
+" with the --src-specials option. then set the following as the command
+" line in the 'view/options/inverse search' dialog box:
+" gvim --servername LATEX --remote-silent +%l "%f"
+" For inverse search, if you are reading this, then just pressing \ls
+" will work.
+function! Tex_ForwardSearchLaTeX()
+ if &ft != 'tex'
+ echo "calling Tex_ViewLaTeX from a non-tex file"
+ return
+ end
+
+ " only know how to do forward search for yap on windows and xdvik (and
+ " some newer versions of xdvi) on unices. Therefore forward searching will
+ " automatically open the DVI viewer irrespective of what the user chose as
+ " the default view format.
+ if Tex_GetVarValue('Tex_ViewRule_dvi') == ''
+ return
+ endif
+ let viewer = Tex_GetVarValue('Tex_ViewRule_dvi')
+
+ let curd = getcwd()
+
+ let mainfname = Tex_GetMainFileName(':t')
+ let mainfnameRoot = fnamemodify(Tex_GetMainFileName(), ':t:r')
+ " cd to the location of the file to avoid problems with directory name
+ " containing spaces.
+ call Tex_CD(Tex_GetMainFileName(':p:h'))
+
+ " inverse search tips taken from Dimitri Antoniou's tip and Benji Fisher's
+ " tips on vim.sf.net (vim.sf.net tip #225)
+ if has('win32')
+
+ let execString = 'silent! !start '. viewer.' -s '.line('.').expand('%').' '.mainfnameRoot
+
+ else
+ if Tex_GetVarValue('Tex_UseEditorSettingInDVIViewer') == 1 &&
+ \ exists('v:servername') &&
+ \ (viewer == "xdvi" || viewer == "xdvik")
+
+ let execString = 'silent! !'.viewer.' -name xdvi -sourceposition '.line('.').expand("%").
+ \ ' -editor "gvim --servername '.v:servername.' --remote-silent +\%l \%f" '.
+ \ mainfnameRoot.'.dvi &'
+
+ elseif Tex_GetVarValue('Tex_UseEditorSettingInDVIViewer') == 1 && viewer == "kdvi"
+
+ let execString = 'silent! !kdvi --unique file:'.mainfnameRoot.'.dvi\#src:'.line('.').expand("%").' &'
+
+ else
+
+ let execString = 'silent! !'.viewer.' -name xdvi -sourceposition '.line('.').expand("%").' '.mainfnameRoot.'.dvi &'
+
+ endif
+ end
+
+ call Tex_Debug("Tex_ForwardSearchLaTeX: execString = ".execString, "comp")
+ execute execString
+ if !has('gui_running')
+ redraw!
+ endif
+
+ call Tex_CD(curd)
+endfunction
+
+" }}}
+
+" ==============================================================================
+" Functions for compiling parts of a file.
+" ==============================================================================
+" Tex_PartCompile: compiles selected fragment {{{
+" Description: creates a temporary file from the selected fragment of text
+" prepending the preamble and \end{document} and then asks Tex_RunLaTeX() to
+" compile it.
+function! Tex_PartCompile() range
+ call Tex_Debug('+Tex_PartCompile', 'comp')
+ " Save position
+ let pos = line('.').' | normal! '.virtcol('.').'|'
+
+ " Get a temporary file in the same directory as the file from which
+ " fragment is being extracted. This is to enable the use of relative path
+ " names in the fragment.
+ let tmpfile = Tex_GetTempName(expand('%:p:h'))
+
+ " Remember all the temp files and for each temp file created, remember
+ " where the temp file came from.
+ let s:Tex_NumTempFiles = (exists('s:Tex_NumTempFiles') ? s:Tex_NumTempFiles + 1 : 1)
+ let s:Tex_TempFiles = (exists('s:Tex_TempFiles') ? s:Tex_TempFiles : '')
+ \ . tmpfile."\n"
+ let s:Tex_TempFile_{s:Tex_NumTempFiles} = tmpfile
+ " TODO: For a function Tex_RestoreFragment which restores a temp file to
+ " its original location.
+ let s:Tex_TempFileOrig_{s:Tex_NumTempFiles} = expand('%:p')
+ let s:Tex_TempFileRange_{s:Tex_NumTempFiles} = a:firstline.','.a:lastline
+
+ " Set up an autocmd to clean up the temp files when Vim exits.
+ if Tex_GetVarValue('Tex_RemoveTempFiles')
+ augroup RemoveTmpFiles
+ au!
+ au VimLeave * :call Tex_RemoveTempFiles()
+ augroup END
+ endif
+
+ " If mainfile exists open it in tiny window and extract preamble there,
+ " otherwise do it from current file
+ let mainfile = Tex_GetMainFileName(":p")
+ exe 'bot 1 split '.escape(mainfile, ' ')
+ exe '1,/\s*\\begin{document}/w '.tmpfile
+ wincmd q
+
+ exe a:firstline.','.a:lastline."w! >> ".tmpfile
+
+ " edit the temporary file
+ exec 'drop '.tmpfile
+
+ " append the \end{document} line.
+ $ put ='\end{document}'
+ w
+
+ " set this as a fragment file.
+ let b:fragmentFile = 1
+
+ silent! call Tex_RunLaTeX()
+endfunction " }}}
+" Tex_RemoveTempFiles: cleans up temporary files created during part compilation {{{
+" Description: During part compilation, temporary files containing the
+" visually selected text are created. These files need to be
+" removed when Vim exits to avoid "file leakage".
+function! Tex_RemoveTempFiles()
+ if !exists('s:Tex_NumTempFiles') || !Tex_GetVarValue('Tex_RemoveTempFiles')
+ return
+ endif
+ let i = 1
+ while i <= s:Tex_NumTempFiles
+ let tmpfile = s:Tex_TempFile_{i}
+ " Remove the tmp file and all other associated files such as the
+ " .log files etc.
+ call Tex_DeleteFile(fnamemodify(tmpfile, ':p:r').'.*')
+ let i = i + 1
+ endwhile
+endfunction " }}}
+
+" ==============================================================================
+" Compiling a file multiple times to resolve references/citations etc.
+" ==============================================================================
+" Tex_CompileMultipleTimes: The main function {{{
+" Description: compiles a file multiple times to get cross-references right.
+function! Tex_CompileMultipleTimes()
+ " Just extract the root without any extension because we want to construct
+ " the log file names etc from it.
+ let curd = getcwd()
+ let mainFileName_root = Tex_GetMainFileName(':p:t:r')
+ call Tex_CD(Tex_GetMainFileName(':p:h'))
+
+ " First ignore undefined references and the
+ " "rerun to get cross-references right" message from
+ " the compiler output.
+ let origlevel = Tex_GetVarValue('Tex_IgnoreLevel')
+ let origpats = Tex_GetVarValue('Tex_IgnoredWarnings')
+
+ let g:Tex_IgnoredWarnings = g:Tex_IgnoredWarnings."\n"
+ \ . 'Reference %.%# undefined'."\n"
+ \ . 'Rerun to get cross-references right'
+ TCLevel 1000
+
+ let idxFileName = mainFileName_root.'.idx'
+ let auxFileName = mainFileName_root.'.aux'
+
+ let runCount = 0
+ let needToRerun = 1
+ while needToRerun == 1 && runCount < 5
+ " assume we need to run only once.
+ let needToRerun = 0
+
+ let idxlinesBefore = Tex_CatFile(idxFileName)
+ let auxlinesBefore = Tex_GetAuxFile(auxFileName)
+
+ " first run latex.
+ echomsg "latex run number : ".(runCount+1)
+ call Tex_Debug("Tex_CompileMultipleTimes: latex run number : ".(runCount+1), "comp")
+ silent! call Tex_CompileLatex()
+
+ " If there are errors in any latex compilation step, immediately
+ " return. For now, do not bother with warnings because those might go
+ " away after compiling again or after bibtex is run etc.
+ let errlist = Tex_GetErrorList()
+ call Tex_Debug("Tex_CompileMultipleTimes: errors = [".errlist."]", "comp")
+
+ if errlist =~ 'error'
+ let g:Tex_IgnoredWarnings = origpats
+ exec 'TCLevel '.origlevel
+
+ return
+ endif
+
+ let idxlinesAfter = Tex_CatFile(idxFileName)
+
+ " If .idx file changed, then run makeindex to generate the new .ind
+ " file and remember to rerun latex.
+ if runCount == 0 && glob(idxFileName) != '' && idxlinesBefore != idxlinesAfter
+ echomsg "Running makeindex..."
+ let temp_mp = &mp | let &mp = Tex_GetVarValue('Tex_MakeIndexFlavor')
+ exec 'silent! make '.mainFileName_root
+ let &mp = temp_mp
+
+ let needToRerun = 1
+ endif
+
+ " The first time we see if we need to run bibtex and if the .bbl file
+ " changes, we will rerun latex.
+ if runCount == 0 && Tex_IsPresentInFile('\\bibdata', mainFileName_root.'.aux')
+ let bibFileName = mainFileName_root.'.bbl'
+
+ let biblinesBefore = Tex_CatFile(bibFileName)
+
+ echomsg "Running '".Tex_GetVarValue('Tex_BibtexFlavor')."' ..."
+ let temp_mp = &mp | let &mp = Tex_GetVarValue('Tex_BibtexFlavor')
+ exec 'silent! make '.mainFileName_root
+ let &mp = temp_mp
+
+ let biblinesAfter = Tex_CatFile(bibFileName)
+
+ " If the .bbl file changed after running bibtex, we need to
+ " latex again.
+ if biblinesAfter != biblinesBefore
+ echomsg 'Need to rerun because bibliography file changed...'
+ call Tex_Debug('Tex_CompileMultipleTimes: Need to rerun because bibliography file changed...', 'comp')
+ let needToRerun = 1
+ endif
+ endif
+
+ " check if latex asks us to rerun
+ let auxlinesAfter = Tex_GetAuxFile(auxFileName)
+ if auxlinesAfter != auxlinesBefore
+ echomsg "Need to rerun because the AUX file changed..."
+ call Tex_Debug("Tex_CompileMultipleTimes: Need to rerun to get cross-references right...", 'comp')
+ let needToRerun = 1
+ endif
+
+ let runCount = runCount + 1
+ endwhile
+
+ call Tex_Debug("Tex_CompileMultipleTimes: Ran latex ".runCount." time(s)", "comp")
+ echomsg "Ran latex ".runCount." time(s)"
+
+ let g:Tex_IgnoredWarnings = origpats
+ exec 'TCLevel '.origlevel
+ " After all compiler calls are done, reparse the .log file for
+ " errors/warnings to handle the situation where the clist might have been
+ " emptied because of bibtex/makeindex being run as the last step.
+ exec 'silent! cfile '.mainFileName_root.'.log'
+
+ call Tex_CD(curd)
+endfunction " }}}
+" Tex_GetAuxFile: get the contents of the AUX file {{{
+" Description: get the contents of the AUX file recursively including any
+" @\input'ted AUX files.
+function! Tex_GetAuxFile(auxFile)
+ if !filereadable(a:auxFile)
+ return ''
+ endif
+
+ let auxContents = Tex_CatFile(a:auxFile)
+ let pattern = '@\input{\(.\{-}\)}'
+
+ let auxContents = substitute(auxContents, pattern, '\=Tex_GetAuxFile(submatch(1))', 'g')
+
+ return auxContents
+endfunction " }}}
+
+" ==============================================================================
+" Helper functions for
+" . viewing the log file in preview mode.
+" . syncing the display between the quickfix window and preview window
+" . going to the correct line _and column_ number from from the quick fix
+" window.
+" ==============================================================================
+" Tex_SetupErrorWindow: sets up the cwindow and preview of the .log file {{{
+" Description:
+function! Tex_SetupErrorWindow()
+ let mainfname = Tex_GetMainFileName()
+
+ let winnum = winnr()
+
+ " close the quickfix window before trying to open it again, otherwise
+ " whether or not we end up in the quickfix window after the :cwindow
+ " command is not fixed.
+ cclose
+ cwindow
+ " create log file name from mainfname
+ let mfnlog = fnamemodify(mainfname, ":t:r").'.log'
+ call Tex_Debug('Tex_SetupErrorWindow: mfnlog = '.mfnlog, 'comp')
+ " if we moved to a different window, then it means we had some errors.
+ if winnum != winnr()
+ if Tex_GetVarValue('Tex_ShowErrorContext')
+ call Tex_UpdatePreviewWindow(mfnlog)
+ exe 'nnoremap <buffer> <silent> j j:call Tex_UpdatePreviewWindow("'.mfnlog.'")<CR>'
+ exe 'nnoremap <buffer> <silent> k k:call Tex_UpdatePreviewWindow("'.mfnlog.'")<CR>'
+ exe 'nnoremap <buffer> <silent> <up> <up>:call Tex_UpdatePreviewWindow("'.mfnlog.'")<CR>'
+ exe 'nnoremap <buffer> <silent> <down> <down>:call Tex_UpdatePreviewWindow("'.mfnlog.'")<CR>'
+ endif
+ exe 'nnoremap <buffer> <silent> <enter> :call Tex_GotoErrorLocation("'.mfnlog.'")<CR>'
+
+ setlocal nowrap
+
+ " resize the window to just fit in with the number of lines.
+ exec ( line('$') < 4 ? line('$') : 4 ).' wincmd _'
+ if Tex_GetVarValue('Tex_GotoError') == 1
+ call Tex_GotoErrorLocation(mfnlog)
+ else
+ exec s:origwinnum.' wincmd w'
+ endif
+ endif
+
+endfunction " }}}
+" Tex_PositionPreviewWindow: positions the preview window correctly. {{{
+" Description:
+" The purpose of this function is to count the number of times an error
+" occurs on the same line. or in other words, if the current line is
+" something like |10 error|, then we want to count the number of
+" lines in the quickfix window before this line which also contain lines
+" like |10 error|.
+"
+function! Tex_PositionPreviewWindow(filename)
+
+ if getline('.') !~ '|\d\+ \(error\|warning\)|'
+ if !search('|\d\+ \(error\|warning\)|')
+ call Tex_Debug("not finding error pattern anywhere in quickfix window :".bufname(bufnr('%')),
+ \ 'comp')
+ pclose!
+ return
+ endif
+ endif
+
+ " extract the error pattern (something like 'file.tex|10 error|') on the
+ " current line.
+ let errpat = matchstr(getline('.'), '^\f*|\d\+ \(error\|warning\)|\ze')
+ let errfile = matchstr(getline('.'), '^\f*\ze|\d\+ \(error\|warning\)|')
+ " extract the line number from the error pattern.
+ let linenum = matchstr(getline('.'), '|\zs\d\+\ze \(error\|warning\)|')
+
+ " if we are on an error, then count the number of lines before this in the
+ " quickfix window with an error on the same line.
+ if errpat =~ 'error|$'
+ " our location in the quick fix window.
+ let errline = line('.')
+
+ " goto the beginning of the quickfix window and begin counting the lines
+ " which show an error on the same line.
+ 0
+ let numrep = 0
+ while 1
+ " if we are on the same kind of error line, then means we have another
+ " line containing the same error pattern.
+ if getline('.') =~ errpat
+ let numrep = numrep + 1
+ normal! 0
+ endif
+ " if we have reached the original location in the quick fix window,
+ " then break.
+ if line('.') == errline
+ break
+ else
+ " otherwise, search for the next line which contains the same
+ " error pattern again. goto the end of the current line so we
+ " dont count this line again.
+ normal! $
+ call search(errpat, 'W')
+ endif
+ endwhile
+ else
+ let numrep = 1
+ endif
+
+ if getline('.') =~ '|\d\+ warning|'
+ let searchpat = escape(matchstr(getline('.'), '|\d\+ warning|\s*\zs.*'), '\ ')
+ else
+ let searchpat = 'l\.'.linenum
+ endif
+
+ " We first need to be in the scope of the correct file in the .log file.
+ " This is important for example, when a.tex and b.tex both have errors on
+ " line 9 of the file and we want to go to the error of b.tex. Merely
+ " searching forward from the beginning of the log file for l.9 will always
+ " land us on the error in a.tex.
+ if errfile != ''
+ exec 'silent! bot pedit +/(\\(\\f\\|\\[\\|\]\\|\\s\\)*'.errfile.'/ '.a:filename
+ else
+ exec 'bot pedit +0 '.a:filename
+ endif
+ " Goto the preview window
+ " TODO: This is not robust enough. Check that a wincmd j actually takes
+ " us to the preview window.
+ wincmd j
+ " now search forward from this position in the preview window for the
+ " numrep^th error of the current line in the quickfix window.
+ while numrep > 0
+ call search(searchpat, 'W')
+ let numrep = numrep - 1
+ endwhile
+ normal! z.
+
+endfunction " }}}
+" Tex_UpdatePreviewWindow: updates the view of the log file {{{
+" Description:
+" This function should be called when focus is in a quickfix window.
+" It opens the log file in a preview window and makes it display that
+" part of the log file which corresponds to the error which the user is
+" currently on in the quickfix window. Control returns to the quickfix
+" window when the function returns.
+"
+function! Tex_UpdatePreviewWindow(filename)
+ call Tex_PositionPreviewWindow(a:filename)
+
+ if &previewwindow
+ 6 wincmd _
+ wincmd p
+ endif
+endfunction " }}}
+" Tex_GotoErrorLocation: goes to the correct location of error in the tex file {{{
+" Description:
+" This function should be called when focus is in a quickfix window. This
+" function will first open the preview window of the log file (if it is not
+" already open), position the display of the preview to coincide with the
+" current error under the cursor and then take the user to the file in
+" which this error has occured.
+"
+" The position is both the correct line number and the column number.
+function! Tex_GotoErrorLocation(filename)
+
+ " first use vim's functionality to take us to the location of the error
+ " accurate to the line (not column). This lets us go to the correct file
+ " without applying any logic.
+ exec "normal! \<enter>"
+ " If the log file is not found, then going to the correct line number is
+ " all we can do.
+ if glob(a:filename) == ''
+ return
+ endif
+
+ let winnum = winnr()
+ " then come back to the quickfix window
+ wincmd w
+
+ " find out where in the file we had the error.
+ let linenum = matchstr(getline('.'), '|\zs\d\+\ze \(warning\|error\)|')
+ call Tex_PositionPreviewWindow(a:filename)
+
+ if getline('.') =~ 'l.\d\+'
+
+ let brokenline = matchstr(getline('.'), 'l.'.linenum.' \zs.*\ze')
+ " If the line is of the form
+ " l.10 ...and then there was some error
+ " it means (most probably) that only part of the erroneous line is
+ " shown. In this case, finding the length of the broken line is not
+ " correct. Instead goto the beginning of the line and search forward
+ " for the part which is displayed and then go to its end.
+ if brokenline =~ '^\M...'
+ let partline = matchstr(brokenline, '^\M...\m\zs.*')
+ let normcmd = "0/\\V".escape(partline, "\\")."/e+1\<CR>"
+ else
+ let column = strlen(brokenline) + 1
+ let normcmd = column.'|'
+ endif
+
+ elseif getline('.') =~ 'LaTeX Warning: \(Citation\|Reference\) `.*'
+
+ let ref = matchstr(getline('.'), "LaTeX Warning: \\(Citation\\|Reference\\) `\\zs[^']\\+\\ze'")
+ let normcmd = '0/'.ref."\<CR>"
+
+ else
+
+ let normcmd = '0'
+
+ endif
+
+ " go back to the window where we came from.
+ exec winnum.' wincmd w'
+ exec 'silent! '.linenum.' | normal! '.normcmd
+
+ if !Tex_GetVarValue('Tex_ShowErrorContext')
+ pclose!
+ endif
+endfunction " }}}
+" Tex_SetCompilerMaps: sets maps for compiling/viewing/searching {{{
+" Description:
+function! <SID>Tex_SetCompilerMaps()
+ if exists('b:Tex_doneCompilerMaps')
+ return
+ endif
+ let s:ml = exists('g:mapleader') ? g:mapleader : "\\"
+
+ nnoremap <buffer> <Plug>Tex_Compile :call Tex_RunLaTeX()<cr>
+ vnoremap <buffer> <Plug>Tex_Compile :call Tex_PartCompile()<cr>
+ nnoremap <buffer> <Plug>Tex_View :call Tex_ViewLaTeX()<cr>
+ nnoremap <buffer> <Plug>Tex_ForwardSearch :call Tex_ForwardSearchLaTeX()<cr>
+
+ call Tex_MakeMap(s:ml."ll", "<Plug>Tex_Compile", 'n', '<buffer>')
+ call Tex_MakeMap(s:ml."ll", "<Plug>Tex_Compile", 'v', '<buffer>')
+ call Tex_MakeMap(s:ml."lv", "<Plug>Tex_View", 'n', '<buffer>')
+ call Tex_MakeMap(s:ml."ls", "<Plug>Tex_ForwardSearch", 'n', '<buffer>')
+endfunction
+" }}}
+
+augroup LatexSuite
+ au LatexSuite User LatexSuiteFileType
+ \ call Tex_Debug('compiler.vim: Catching LatexSuiteFileType event', 'comp') |
+ \ call <SID>Tex_SetCompilerMaps()
+augroup END
+
+command! -nargs=0 -range=% TPartCompile :<line1>, <line2> silent! call Tex_PartCompile()
+" Setting b:fragmentFile = 1 makes Tex_CompileLatex consider the present file
+" the _main_ file irrespective of the presence of a .latexmain file.
+command! -nargs=0 TCompileThis let b:fragmentFile = 1
+command! -nargs=0 TCompileMainFile let b:fragmentFile = 0
+
+" vim:fdm=marker:ff=unix:noet:ts=4:sw=4