diff options
Diffstat (limited to 'autoload/xolox')
| -rw-r--r-- | autoload/xolox/easytags.vim | 631 | ||||
| m--------- | autoload/xolox/misc | 5 |
2 files changed, 636 insertions, 0 deletions
diff --git a/autoload/xolox/easytags.vim b/autoload/xolox/easytags.vim new file mode 100644 index 0000000..8202e8a --- /dev/null +++ b/autoload/xolox/easytags.vim @@ -0,0 +1,631 @@ +" Vim script +" Author: Peter Odding <peter@peterodding.com> +" Last Change: March 15, 2011 +" URL: http://peterodding.com/code/vim/easytags/ + +let s:script = expand('<sfile>:p:~') + +" Public interface through (automatic) commands. {{{1 + +function! xolox#easytags#autoload() " {{{2 + try + " Update the entries for the current file in the global tags file? + let pathname = s:resolve(expand('%:p')) + if pathname != '' + let tags_outdated = getftime(pathname) > getftime(xolox#easytags#get_tagsfile()) + if tags_outdated || !xolox#easytags#file_has_tags(pathname) + call xolox#easytags#update(1, 0, []) + endif + endif + " Apply highlighting of tags in global tags file to current buffer? + if &eventignore !~? '\<syntax\>' + if !exists('b:easytags_last_highlighted') + call xolox#easytags#highlight() + else + for tagfile in tagfiles() + if getftime(tagfile) > b:easytags_last_highlighted + call xolox#easytags#highlight() + break + endif + endfor + endif + let b:easytags_last_highlighted = localtime() + endif + catch + call xolox#misc#msg#warn("%s: %s (at %s)", s:script, v:exception, v:throwpoint) + endtry +endfunction + +function! xolox#easytags#update(silent, filter_tags, filenames) " {{{2 + try + let s:cached_filenames = {} + let starttime = xolox#misc#timer#start() + let cfile = s:check_cfile(a:silent, a:filter_tags, !empty(a:filenames)) + let tagsfile = xolox#easytags#get_tagsfile() + let firstrun = !filereadable(tagsfile) + let cmdline = s:prep_cmdline(cfile, tagsfile, firstrun, a:filenames) + let output = s:run_ctags(starttime, cfile, tagsfile, firstrun, cmdline) + if !firstrun + let num_filtered = s:filter_merge_tags(a:filter_tags, tagsfile, output) + if cfile != '' + let msg = "%s: Updated tags for %s in %s." + call xolox#misc#timer#stop(msg, s:script, expand('%:p:~'), starttime) + elseif a:0 > 0 + let msg = "%s: Updated tags in %s." + call xolox#misc#timer#stop(msg, s:script, starttime) + else + let msg = "%s: Filtered %i invalid tags in %s." + call xolox#misc#timer#stop(msg, s:script, num_filtered, starttime) + endif + endif + return 1 + catch + call xolox#misc#msg#warn("%s: %s (at %s)", s:script, v:exception, v:throwpoint) + finally + unlet s:cached_filenames + endtry +endfunction + +function! s:check_cfile(silent, filter_tags, have_args) " {{{3 + if a:have_args + return '' + endif + let silent = a:silent || a:filter_tags + if g:easytags_autorecurse + let cdir = s:resolve(expand('%:p:h')) + if !isdirectory(cdir) + if silent | return '' | endif + throw "The directory of the current file doesn't exist yet!" + endif + return cdir + endif + let cfile = s:resolve(expand('%:p')) + if cfile == '' || !filereadable(cfile) + if silent | return '' | endif + throw "You'll need to save your file before using :UpdateTags!" + elseif g:easytags_ignored_filetypes != '' && &ft =~ g:easytags_ignored_filetypes + if silent | return '' | endif + throw "The " . string(&ft) . " file type is explicitly ignored." + elseif index(xolox#easytags#supported_filetypes(), &ft) == -1 + if silent | return '' | endif + throw "Exuberant Ctags doesn't support the " . string(&ft) . " file type!" + endif + return cfile +endfunction + +function! s:prep_cmdline(cfile, tagsfile, firstrun, arguments) " {{{3 + let cmdline = [g:easytags_cmd, '--fields=+l', '--c-kinds=+p', '--c++-kinds=+p'] + if a:firstrun + call add(cmdline, shellescape('-f' . a:tagsfile)) + call add(cmdline, '--sort=' . (&ic ? 'foldcase' : 'yes')) + else + call add(cmdline, '--sort=no') + call add(cmdline, '-f-') + endif + if g:easytags_include_members + call add(cmdline, '--extra=+q') + endif + let have_args = 0 + if a:cfile != '' + if g:easytags_autorecurse + call add(cmdline, '-R') + call add(cmdline, shellescape(a:cfile)) + else + let filetype = xolox#easytags#to_ctags_ft(&filetype) + call add(cmdline, shellescape('--language-force=' . filetype)) + call add(cmdline, shellescape(a:cfile)) + endif + let have_args = 1 + else + for arg in a:arguments + if arg =~ '^-' + call add(cmdline, arg) + let have_args = 1 + else + let matches = split(expand(arg), "\n") + if !empty(matches) + call map(matches, 'shellescape(s:canonicalize(v:val))') + call extend(cmdline, matches) + let have_args = 1 + endif + endif + endfor + endif + " No need to run Exuberant Ctags without any filename arguments! + return have_args ? join(cmdline) : '' +endfunction + +function! s:run_ctags(starttime, cfile, tagsfile, firstrun, cmdline) " {{{3 + let output = [] + if a:cmdline != '' + call xolox#misc#msg#debug("%s: Executing %s", s:script, a:cmdline) + try + let output = xolox#shell#execute(a:cmdline, 1) + catch /^Vim\%((\a\+)\)\=:E117/ + " Ignore missing shell.vim plug-in. + let output = split(system(a:cmdline), "\n") + if v:shell_error + let msg = "Failed to update tags file %s: %s!" + throw printf(msg, fnamemodify(a:tagsfile, ':~'), strtrans(join(output, "\n"))) + endif + endtry + if a:firstrun + if a:cfile != '' + call xolox#easytags#add_tagged_file(a:cfile) + call xolox#misc#timer#stop("%s: Created tags for %s in %s.", s:script, expand('%:p:~'), a:starttime) + else + call xolox#misc#timer#stop("%s: Created tags in %s.", s:script, a:starttime) + endif + endif + endif + return output +endfunction + +function! s:filter_merge_tags(filter_tags, tagsfile, output) " {{{3 + let [headers, entries] = xolox#easytags#read_tagsfile(a:tagsfile) + call s:set_tagged_files(entries) + let filters = [] + let tagged_files = s:find_tagged_files(a:output) + if !empty(tagged_files) + call add(filters, '!has_key(tagged_files, s:canonicalize(get(v:val, 1)))') + endif + if a:filter_tags + call add(filters, 'filereadable(get(v:val, 1))') + endif + let num_old_entries = len(entries) + if !empty(filters) + call filter(entries, join(filters, ' && ')) + endif + let num_filtered = num_old_entries - len(entries) + call map(entries, 'join(v:val, "\t")') + call extend(entries, a:output) + if !xolox#easytags#write_tagsfile(a:tagsfile, headers, entries) + let msg = "Failed to write filtered tags file %s!" + throw printf(msg, fnamemodify(a:tagsfile, ':~')) + endif + return num_filtered +endfunction + +function! s:find_tagged_files(new_entries) " {{{3 + let tagged_files = {} + for line in a:new_entries + " Never corrupt the tags file by merging an invalid line + " (probably an error message) with the existing tags! + if match(line, '^[^\t]\+\t[^\t]\+\t.\+$') == -1 + throw "Exuberant Ctags returned invalid data: " . strtrans(line) + endif + let filename = matchstr(line, '^[^\t]\+\t\zs[^\t]\+') + if !has_key(tagged_files, filename) + let filename = s:canonicalize(filename) + let tagged_files[filename] = 1 + call xolox#easytags#add_tagged_file(filename) + endif + endfor + return tagged_files +endfunction + +function! xolox#easytags#highlight() " {{{2 + try + " Treat C++ and Objective-C as plain C. + let filetype = get(s:canonical_aliases, &ft, &ft) + let tagkinds = get(s:tagkinds, filetype, []) + if exists('g:syntax_on') && !empty(tagkinds) && !exists('b:easytags_nohl') + let starttime = xolox#misc#timer#start() + if !has_key(s:aliases, filetype) + let ctags_filetype = xolox#easytags#to_ctags_ft(filetype) + let taglist = filter(taglist('.'), "get(v:val, 'language', '') ==? ctags_filetype") + else + let aliases = s:aliases[&ft] + let taglist = filter(taglist('.'), "has_key(aliases, tolower(get(v:val, 'language', '')))") + endif + for tagkind in tagkinds + let hlgroup_tagged = tagkind.hlgroup . 'Tag' + if hlexists(hlgroup_tagged) + execute 'syntax clear' hlgroup_tagged + else + execute 'highlight def link' hlgroup_tagged tagkind.hlgroup + endif + let matches = filter(copy(taglist), tagkind.filter) + if matches != [] + call map(matches, 'xolox#misc#escape#pattern(get(v:val, "name"))') + let pattern = tagkind.pattern_prefix . '\%(' . join(xolox#misc#list#unique(matches), '\|') . '\)' . tagkind.pattern_suffix + let template = 'syntax match %s /%s/ containedin=ALLBUT,.*String.*,.*Comment.*,cIncluded' + let command = printf(template, hlgroup_tagged, escape(pattern, '/')) + try + execute command + catch /^Vim\%((\a\+)\)\=:E339/ + let msg = "easytags.vim: Failed to highlight %i %s tags because pattern is too big! (%i KB)" + call xolox#misc#msg#warn(printf(msg, len(matches), tagkind.hlgroup, len(pattern) / 1024)) + endtry + endif + endfor + redraw + let bufname = expand('%:p:~') + if bufname == '' + let bufname = 'unnamed buffer #' . bufnr('%') + endif + let msg = "%s: Highlighted tags in %s in %s." + call xolox#misc#timer#stop(msg, s:script, bufname, starttime) + return 1 + endif + catch + call xolox#misc#msg#warn("%s: %s (at %s)", s:script, v:exception, v:throwpoint) + endtry +endfunction + +" Public supporting functions (might be useful to others). {{{1 + +function! xolox#easytags#supported_filetypes() " {{{2 + if !exists('s:supported_filetypes') + let starttime = xolox#misc#timer#start() + let command = g:easytags_cmd . ' --list-languages' + try + let listing = xolox#shell#execute(command, 1) + catch /^Vim\%((\a\+)\)\=:E117/ + " Ignore missing shell.vim plug-in. + let listing = split(system(command), "\n") + if v:shell_error + let msg = "Failed to get supported languages! (output: %s)" + throw printf(msg, strtrans(join(listing, "\n"))) + endif + endtry + let s:supported_filetypes = map(copy(listing), 's:check_filetype(listing, v:val)') + let msg = "%s: Retrieved %i supported languages in %s." + call xolox#misc#timer#stop(msg, s:script, len(s:supported_filetypes), starttime) + endif + return s:supported_filetypes +endfunction + +function! s:check_filetype(listing, cline) + if a:cline !~ '^\w\S*$' + let msg = "Failed to get supported languages! (output: %s)" + throw printf(msg, strtrans(join(a:listing, "\n"))) + endif + return xolox#easytags#to_vim_ft(a:cline) +endfunction + +function! xolox#easytags#read_tagsfile(tagsfile) " {{{2 + " I'm not sure whether this is by design or an implementation detail but + " it's possible for the "!_TAG_FILE_SORTED" header to appear after one or + " more tags and Vim will apparently still use the header! For this reason + " the xolox#easytags#write_tagsfile() function should also recognize it, otherwise + " Vim might complain with "E432: Tags file not sorted". + let headers = [] + let entries = [] + let pattern = '^\([^\t]\+\)\t\([^\t]\+\)\t\(.\+\)$' + for line in readfile(a:tagsfile) + if line =~# '^!_TAG_' + call add(headers, line) + else + call add(entries, matchlist(line, pattern)[1:3]) + endif + endfor + return [headers, entries] +endfunction + +function! xolox#easytags#write_tagsfile(tagsfile, headers, entries) " {{{2 + " This function always sorts the tags file but understands "foldcase". + let sort_order = 1 + for line in a:headers + if match(line, '^!_TAG_FILE_SORTED\t2') == 0 + let sort_order = 2 + endif + endfor + if sort_order == 1 + call sort(a:entries) + else + call sort(a:entries, 1) + endif + let lines = [] + if has('win32') || has('win64') + " Exuberant Ctags on Windows requires \r\n but Vim's writefile() doesn't add them! + for line in a:headers + call add(lines, line . "\r") + endfor + for line in a:entries + call add(lines, line . "\r") + endfor + else + call extend(lines, a:headers) + call extend(lines, a:entries) + endif + return writefile(lines, a:tagsfile) == 0 +endfunction + +function! xolox#easytags#file_has_tags(filename) " {{{2 + call s:cache_tagged_files() + return has_key(s:tagged_files, s:resolve(a:filename)) +endfunction + +function! xolox#easytags#add_tagged_file(filename) " {{{2 + call s:cache_tagged_files() + let filename = s:resolve(a:filename) + let s:tagged_files[filename] = 1 +endfunction + +function! xolox#easytags#get_tagsfile() " {{{2 + let tagsfile = expand(g:easytags_file) + if filereadable(tagsfile) && filewritable(tagsfile) != 1 + let message = "The tags file %s isn't writable!" + throw printf(message, fnamemodify(tagsfile, ':~')) + endif + return tagsfile +endfunction + +" Public API for file-type specific dynamic syntax highlighting. {{{1 + +function! xolox#easytags#define_tagkind(object) " {{{2 + if !has_key(a:object, 'pattern_prefix') + let a:object.pattern_prefix = '\C\<' + endif + if !has_key(a:object, 'pattern_suffix') + let a:object.pattern_suffix = '\>' + endif + if !has_key(s:tagkinds, a:object.filetype) + let s:tagkinds[a:object.filetype] = [] + endif + call add(s:tagkinds[a:object.filetype], a:object) +endfunction + +function! xolox#easytags#map_filetypes(vim_ft, ctags_ft) " {{{2 + call add(s:vim_filetypes, a:vim_ft) + call add(s:ctags_filetypes, a:ctags_ft) +endfunction + +function! xolox#easytags#alias_filetypes(...) " {{{2 + for type in a:000 + let s:canonical_aliases[type] = a:1 + if !has_key(s:aliases, type) + let s:aliases[type] = {} + endif + endfor + for i in range(a:0) + for j in range(a:0) + let vimft1 = a:000[i] + let ctagsft1 = xolox#easytags#to_ctags_ft(vimft1) + let vimft2 = a:000[j] + let ctagsft2 = xolox#easytags#to_ctags_ft(vimft2) + if !has_key(s:aliases[vimft1], ctagsft2) + let s:aliases[vimft1][ctagsft2] = 1 + endif + if !has_key(s:aliases[vimft2], ctagsft1) + let s:aliases[vimft2][ctagsft1] = 1 + endif + endfor + endfor +endfunction + +function! xolox#easytags#to_vim_ft(ctags_ft) " {{{2 + let type = tolower(a:ctags_ft) + let index = index(s:ctags_filetypes, type) + return index >= 0 ? s:vim_filetypes[index] : type +endfunction + +function! xolox#easytags#to_ctags_ft(vim_ft) " {{{2 + let type = tolower(a:vim_ft) + let index = index(s:vim_filetypes, type) + return index >= 0 ? s:ctags_filetypes[index] : type +endfunction + +" Miscellaneous script-local functions. {{{1 + +function! s:resolve(filename) " {{{2 + if g:easytags_resolve_links + return resolve(a:filename) + else + return a:filename + endif +endfunction + +function! s:canonicalize(filename) " {{{2 + if has_key(s:cached_filenames, a:filename) + return s:cached_filenames[a:filename] + endif + let canonical = s:resolve(fnamemodify(a:filename, ':p')) + let s:cached_filenames[a:filename] = canonical + return canonical + endif +endfunction + +function! s:cache_tagged_files() " {{{2 + if !exists('s:tagged_files') + let tagsfile = xolox#easytags#get_tagsfile() + try + let [headers, entries] = xolox#easytags#read_tagsfile(tagsfile) + call s:set_tagged_files(entries) + catch /\<E484\>/ + " Ignore missing tags file. + call s:set_tagged_files([]) + endtry + endif +endfunction + +function! s:set_tagged_files(entries) " {{{2 + " TODO use taglist() instead of readfile() so that all tag files are + " automatically used :-) + let s:tagged_files = {} + for entry in a:entries + let filename = get(entry, 1, '') + if filename != '' + let s:tagged_files[s:resolve(filename)] = 1 + endif + endfor +endfunction + +" Built-in file type & tag kind definitions. {{{1 + +" Don't bother redefining everything below when this script is sourced again. +if exists('s:tagkinds') + finish +endif + +let s:tagkinds = {} + +" Define the built-in Vim <=> Ctags file-type mappings. +let s:vim_filetypes = [] +let s:ctags_filetypes = [] +call xolox#easytags#map_filetypes('cpp', 'c++') +call xolox#easytags#map_filetypes('cs', 'c#') +call xolox#easytags#map_filetypes(exists('g:filetype_asp') ? g:filetype_asp : 'aspvbs', 'asp') + +" Define the Vim file-types that are aliased by default. +let s:aliases = {} +let s:canonical_aliases = {} +call xolox#easytags#alias_filetypes('c', 'cpp', 'objc', 'objcpp') + +" Enable line continuation. +let s:cpo_save = &cpo +set cpo&vim + +" Lua. {{{2 + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'lua', + \ 'hlgroup': 'luaFunc', + \ 'filter': 'get(v:val, "kind") ==# "f"'}) + +" C. {{{2 + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'c', + \ 'hlgroup': 'cType', + \ 'filter': 'get(v:val, "kind") =~# "[cgstu]"'}) + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'c', + \ 'hlgroup': 'cEnum', + \ 'filter': 'get(v:val, "kind") ==# "e"'}) + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'c', + \ 'hlgroup': 'cPreProc', + \ 'filter': 'get(v:val, "kind") ==# "d"'}) + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'c', + \ 'hlgroup': 'cFunction', + \ 'filter': 'get(v:val, "kind") =~# "[fp]"'}) + +highlight def link cEnum Identifier +highlight def link cFunction Function + +if g:easytags_include_members + call xolox#easytags#define_tagkind({ + \ 'filetype': 'c', + \ 'hlgroup': 'cMember', + \ 'filter': 'get(v:val, "kind") ==# "m"'}) + highlight def link cMember Identifier +endif + +" PHP. {{{2 + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'php', + \ 'hlgroup': 'phpFunctions', + \ 'filter': 'get(v:val, "kind") ==# "f"', + \ 'pattern_suffix': '(\@='}) + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'php', + \ 'hlgroup': 'phpClasses', + \ 'filter': 'get(v:val, "kind") ==# "c"'}) + +" Vim script. {{{2 + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'vim', + \ 'hlgroup': 'vimAutoGroup', + \ 'filter': 'get(v:val, "kind") ==# "a"'}) + +highlight def link vimAutoGroup vimAutoEvent + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'vim', + \ 'hlgroup': 'vimCommand', + \ 'filter': 'get(v:val, "kind") ==# "c"', + \ 'pattern_prefix': '\(\(^\|\s\):\?\)\@<=', + \ 'pattern_suffix': '\(!\?\(\s\|$\)\)\@='}) + +" Exuberant Ctags doesn't mark script local functions in Vim scripts as +" "static". When your tags file contains search patterns this plug-in can use +" those search patterns to check which Vim script functions are defined +" globally and which script local. + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'vim', + \ 'hlgroup': 'vimFuncName', + \ 'filter': 'get(v:val, "kind") ==# "f" && get(v:val, "cmd") !~? ''<sid>\w\|\<s:\w''', + \ 'pattern_prefix': '\C\%(\<s:\|<[sS][iI][dD]>\)\@<!\<'}) + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'vim', + \ 'hlgroup': 'vimScriptFuncName', + \ 'filter': 'get(v:val, "kind") ==# "f" && get(v:val, "cmd") =~? ''<sid>\w\|\<s:\w''', + \ 'pattern_prefix': '\C\%(\<s:\|<[sS][iI][dD]>\)'}) + +highlight def link vimScriptFuncName vimFuncName + +" Python. {{{2 + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'python', + \ 'hlgroup': 'pythonFunction', + \ 'filter': 'get(v:val, "kind") ==# "f"', + \ 'pattern_prefix': '\%(\<def\s\+\)\@<!\<'}) + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'python', + \ 'hlgroup': 'pythonMethod', + \ 'filter': 'get(v:val, "kind") ==# "m"', + \ 'pattern_prefix': '\.\@<='}) + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'python', + \ 'hlgroup': 'pythonClass', + \ 'filter': 'get(v:val, "kind") ==# "c"'}) + +highlight def link pythonMethodTag pythonFunction +highlight def link pythonClassTag pythonFunction + +" Java. {{{2 + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'java', + \ 'hlgroup': 'javaClass', + \ 'filter': 'get(v:val, "kind") ==# "c"'}) + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'java', + \ 'hlgroup': 'javaMethod', + \ 'filter': 'get(v:val, "kind") ==# "m"'}) + +highlight def link javaClass Identifier +highlight def link javaMethod Function + +" C#. {{{2 + +" TODO C# name spaces? +" TODO C# interface names +" TODO C# enumeration member names +" TODO C# structure names? + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'cs', + \ 'hlgroup': 'csClassOrStruct', + \ 'filter': 'get(v:val, "kind") ==# "c"'}) + +call xolox#easytags#define_tagkind({ + \ 'filetype': 'cs', + \ 'hlgroup': 'csMethod', + \ 'filter': 'get(v:val, "kind") =~# "[ms]"'}) + +highlight def link csClass Identifier +highlight def link csMethod Function + +" }}} + +" Restore "cpoptions". +let &cpo = s:cpo_save +unlet s:cpo_save + +" vim: ts=2 sw=2 et diff --git a/autoload/xolox/misc b/autoload/xolox/misc new file mode 160000 +Subproject a205f918f5797d9183f7f479360ed91bbce2b38 |