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check_colors.vim
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/usr/share/vim/vim81/colors/tools/check_colors.vim
(7088B)
" This script tests a color scheme for some errors and lists potential errors. " Load the scheme and source this script, like this: " :edit colors/desert.vim | :so colors/tools/check_colors.vim let s:save_cpo= &cpo set cpo&vim func! Test_check_colors() let l:savedview = winsaveview() call cursor(1,1) let err = {} " 1) Check g:colors_name is existing if !search('\<\%(g:\)\?colors_name\>', 'cnW') let err['colors_name'] = 'g:colors_name not set' else let err['colors_name'] = 'OK' endif " 2) Check for some well-defined highlighting groups let hi_groups = [ \ 'ColorColumn', \ 'Comment', \ 'Conceal', \ 'Constant', \ 'Cursor', \ 'CursorColumn', \ 'CursorLine', \ 'CursorLineNr', \ 'DiffAdd', \ 'DiffChange', \ 'DiffDelete', \ 'DiffText', \ 'Directory', \ 'EndOfBuffer', \ 'Error', \ 'ErrorMsg', \ 'FoldColumn', \ 'Folded', \ 'Identifier', \ 'Ignore', \ 'IncSearch', \ 'LineNr', \ 'MatchParen', \ 'ModeMsg', \ 'MoreMsg', \ 'NonText', \ 'Normal', \ 'Pmenu', \ 'PmenuSbar', \ 'PmenuSel', \ 'PmenuThumb', \ 'PreProc', \ 'Question', \ 'QuickFixLine', \ 'Search', \ 'SignColumn', \ 'Special', \ 'SpecialKey', \ 'SpellBad', \ 'SpellCap', \ 'SpellLocal', \ 'SpellRare', \ 'Statement', \ 'StatusLine', \ 'StatusLineNC', \ 'StatusLineTerm', \ 'StatusLineTermNC', \ 'TabLine', \ 'TabLineFill', \ 'TabLineSel', \ 'Title', \ 'Todo', \ 'ToolbarButton', \ 'ToolbarLine', \ 'Type', \ 'Underlined', \ 'VertSplit', \ 'Visual', \ 'VisualNOS', \ 'WarningMsg', \ 'WildMenu', \ ] let groups = {} for group in hi_groups if search('\c@suppress\s\+\<' .. group .. '\>', 'cnW') " skip check, if the script contains a line like " @suppress Visual: continue endif if search('hi\%[ghlight]!\= \+link \+' .. group, 'cnW') " Linked group continue endif if !search('hi\%[ghlight] \+\<' .. group .. '\>', 'cnW') let groups[group] = 'No highlight definition for ' .. group continue endif if !search('hi\%[ghlight] \+\<' .. group .. '\>.*[bf]g=', 'cnW') let groups[group] = 'Missing foreground or background color for ' .. group continue endif if search('hi\%[ghlight] \+\<' .. group .. '\>.*guibg=', 'cnW') && \ !search('hi\%[ghlight] \+\<' .. group .. '\>.*ctermbg=', 'cnW') \ && group != 'Cursor' let groups[group] = 'Missing bg terminal color for ' .. group continue endif if !search('hi\%[ghlight] \+\<' .. group .. '\>.*guifg=', 'cnW') \ && group !~ '^Diff' let groups[group] = 'Missing guifg definition for ' .. group continue endif if !search('hi\%[ghlight] \+\<' .. group .. '\>.*ctermfg=', 'cnW') \ && group !~ '^Diff' \ && group != 'Cursor' let groups[group] = 'Missing ctermfg definition for ' .. group continue endif " do not check for background colors, they could be intentionally left out call cursor(1,1) endfor let err['highlight'] = groups " 3) Check, that it does not set background highlighting " Doesn't ':hi Normal ctermfg=253 ctermfg=233' also set the background sometimes? let bg_set = '\(set\?\|setl\(ocal\)\?\) .*\(background\|bg\)=\(dark\|light\)' let bg_let = 'let \%([&]\%([lg]:\)\?\)\%(background\|bg\)\s*=\s*\([''"]\?\)\w\+\1' let bg_pat = '\%(' .. bg_set .. '\|' .. bg_let .. '\)' let line = search(bg_pat, 'cnW') if search(bg_pat, 'cnW') exe line if search('hi \U\w\+\s\+\S', 'cbnW') let err['background'] = 'Should not set background option after :hi statement' endif else let err['background'] = 'OK' endif call cursor(1,1) " 4) Check, that t_Co is checked let pat = '[&]t_Co\s*[<>=]=\?\s*\d\+' if !search(pat, 'ncW') let err['t_Co'] = 'Does not check terminal for capable colors' endif " 5) Initializes correctly, e.g. should have a section like " hi clear " if exists("syntax_on") " syntax reset " endif let pat = 'hi\%[ghlight]\s*clear\n\s*if\s*exists(\([''"]\)syntax_on\1)\n\s*syn\%[tax]\s*reset\n\s*endif' if !search(pat, 'cnW') let err['init'] = 'No initialization' endif " 6) Does not use :syn on if search('syn\%[tax]\s\+on', 'cnW') let err['background'] = 'Should not issue :syn on' endif " 7) Does not define filetype specific groups like vimCommand, htmlTag, let hi_groups = filter(getcompletion('', 'filetype'), { _,v -> v !~# '\%[no]syn\%(color\|load\|tax\)' }) let ft_groups = [] " let group = '\%('.join(hi_groups, '\|').'\)' " More efficient than a for loop, but less informative for group in hi_groups let pat = '\Chi\%[ghlight]!\= *\%[link] \+\zs' .. group .. '\w\+\>\ze \+.' " Skips `hi clear` if search(pat, 'cW') call add(ft_groups, matchstr(getline('.'), pat)) endif call cursor(1,1) endfor if !empty(ft_groups) let err['filetype'] = get(err, 'filetype', 'Should not define: ') . join(uniq(sort(ft_groups))) endif " 8) Were debugPC and debugBreakpoint defined? for group in ['debugPC', 'debugBreakpoint'] let pat = '\Chi\%[ghlight]!\= *\%[link] \+\zs' .. group .. '\>' if search(pat, 'cnW') let line = search(pat, 'cW') let err['filetype'] = get(err, 'filetype', 'Should not define: ') . matchstr(getline('.'), pat). ' ' endif call cursor(1,1) endfor " 9) Normal should be defined first, not use reverse, fg or bg call cursor(1,1) let pat = 'hi\%[light] \+\%(link\|clear\)\@!\w\+\>' call search(pat, 'cW') " Look for the first hi def, skipping `hi link` and `hi clear` if getline('.') !~# '\m\<Normal\>' let err['highlight']['Normal'] = 'Should be defined first' elseif getline('.') =~# '\m\%(=\%(fg\|bg\)\)' let err['highlight']['Normal'] = "Should not use 'fg' or 'bg'" elseif getline('.') =~# '\m=\%(inv\|rev\)erse' let err['highlight']['Normal'] = 'Should not use reverse mode' endif call winrestview(l:savedview) let g:err = err " print Result call Result(err) endfu fu! Result(err) let do_groups = 0 echohl Title|echomsg "---------------"|echohl Normal for key in sort(keys(a:err)) if key is# 'highlight' let do_groups = !empty(a:err[key]) continue else if a:err[key] !~ 'OK' echohl Title endif echomsg printf("%15s: %s", key, a:err[key]) echohl Normal endif endfor echohl Title|echomsg "---------------"|echohl Normal if do_groups echohl Title | echomsg "Groups" | echohl Normal for v1 in sort(keys(a:err['highlight'])) echomsg printf("%25s: %s", v1, a:err['highlight'][v1]) endfor endif endfu call Test_check_colors() let &cpo = s:save_cpo unlet s:save_cpo
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