config/.vim/plugin/cscope_plus.vim

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" if compiled with --enable-cscope
if has("cscope")
if exists("g:loaded_cscope_plus") || &cp
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finish
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endif
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set tags+=./tags " in file directory
set tags+=tags " in current directory
"for when programming in build dir
set tags+=../tags
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function! GetLocalCscopeDb(pathname)
if !isdirectory(a:pathname) || a:pathname == $HOME || a:pathname == '/'
return
endif
let s:cscopefile = a:pathname."/cscope.out"
if filereadable(s:cscopefile)
echo "Add cscope db for ".a:pathname
execute "cscope add ".s:cscopefile." ".a:pathname
endif
unlet s:cscopefile
call GetLocalCscopeDb(fnamemodify(a:pathname, ":h"))
endfunction
command! LoadLocalCscopeDb :call GetLocalCscopeDb(expand("%:p:h"))
function! GetCscopeDb(pathname)
if !isdirectory(a:pathname) || a:pathname == $HOME || a:pathname == '/'
return
endif
let l:has_link = 0
let l:tag_found = 0
if resolve(a:pathname) != a:pathname
let l:has_link = 1
endif
let s:cscopefile = $HOME."/.vim/cscope/".substitute(a:pathname, '/', '_', 'g').".cscope"
if filereadable(s:cscopefile)
execute "cscope add ".s:cscopefile
let l:tag_found = 1
endif
if l:tag_found == 0 && l:has_link == 1
let s:cscopefile = $HOME."/.vim/cscope/".substitute(resolve(a:pathname), '/', '_', 'g').".cscope"
if filereadable(s:cscopefile)
execute "cscope add ".s:cscopefile
let l:tag_found = 1
endif
endif
unlet s:cscopefile
call GetCscopeDb(fnamemodify(a:pathname, ":h"))
endfunction
function! GenerateCscopeDb()
let path = input('Create cscope db for: ', getcwd(), 'dir')
echohl WarningMsg
echo "Please wait, generating cscope db..."
let file = tempname()
let cscopefile = $HOME."/.vim/cscope/".substitute(path, '/', '_', 'g').".cscope"
call system("cd ".path."; find . -name '*.c' -or -name '*.h' > ".file."; cscope -b -i ".file." -f ".cscopefile)
call delete(file)
redraw
echo "Please wait, generating cscope db... Done"
echohl None
call GetCscopeDb(path)
endfunction
command! GenerateCscopeDb :call GenerateCscopeDb()
" Open out/verbose.log.gz then run this cmd. It should produce a compile_commands.json. This is for case when SOONG variable
" Does not work (see
" https://android.googlesource.com/platform/build/soong/+/HEAD/docs/compdb.md)
function! GenerateCompileDbFromAOSP()
let @a=""
%s/\[\d*\/\d*\] \/bin\/bash -c "\(.*\)"/\=setreg('A', submatch(1), 'V')/gn
call system("compiledb ", @a)
endfunction
command! GenerateCompileDbFromAOSP :call GenerateCompileDbFromAOSP()
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endif
" Let autotags find all cscodepeDb
" LoadLocalCscopeDb
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"" if has("cscope")
"" map <F9> :call GetCscopeDb(expand("%:p:h")) <CR><CR>
"" map <S-F9> :call GenerateCscopeDb() <CR><CR>
"" map <M-F9> :call GetLocalCscopeDb(expand("%:p:h")) <CR><CR>
"" endif
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" cat Makefile | grep '\-I\/' | tr '[:space:]' '\n' | grep '\-I/' | sort -u | tr '\n' ' '
" build tags database with shift+F8 or alt+F8 to ignore /usr/include
" --c++-kinds=+p : Adds prototypes in the database for C/C++ files.
" --fields=+iaS : Adds inheritance (i), access (a) and function
" signatures (S) information.
" --extra=+q : Adds context to the tag name. Note: Without this
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" option, the script cannot get class members.
if !exists("g:build_cmd")
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let g:build_cmd="make --dry-run --always-make"
endif
" More tools can be found here: https://github.com/Sarcasm/notes/blob/master/dev/compilation-database.rst
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func! MenuCB(id, result)
if a:result == 1
silent exec "!echo '==Building ctags database==' && ctags --fields=+iaS --extra=+q --totals -R --c++-kinds=+p --exclude=.ccls-cache"
silent exec "!echo '==Adding system headers==' && find -exec gcc -M '{}' \\; 2>&- | tr '[:space:]' '\\n' | grep '^/.*' | sort -u | ctags --c-kinds=+px --c++-kinds=+px --fields=+iaS --extra=+q -aL-"
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silent exec "!echo '==Building cscope database==' && cscope -bR"
silent "cscope reset"
silent "cscope add cscope.out"
exec 'redraw!'
elseif a:result == 2
silent exec "!echo '==Building ctags database==' && ctags --fields=+iaS --extra=+q --totals -R --c++-kinds=+p"
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silent exec "!echo '==Building cscope database==' && cscope -bkR"
silent "cscope reset"
silent "cscope add cscope.out"
exec 'redraw!'
elseif a:result == 3
call AutotagsUpdate()
elseif a:result == 4
call AutotagsAdd()
elseif a:result == 5
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execute "!" . g:build_cmd . " | grep -wE 'gcc|g++|cc|clang|clang++' | grep -w '\\-c' | jq -nR '[inputs|{directory:\".\", command:., file: match(\" [^ ]+$\").string[1:]}]' > compile_commands.json"
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elseif a:result == 6 "https://github.com/rizsotto/Bear
execute "!bear --" g:build_cmd "--always-make"
elseif a:result == 7 "https://github.com/nickdiego/compiledb
execute "!compiledb -n" g:build_cmd
elseif a:result == 8 "https://github.com/rizsotto/scan-build
execute "!analyze-build"
elseif a:result == 9
execute "!make clean > /dev/null && LANG=C make -nw | python ~/.vim/plugin/cdg.py "
elseif a:result == 10
echo "Add -DCMAKE_EXPORT_COMPILE_COMMANDS=ON to cmake. On modify build option with ccmake"
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endif
endfunc
command! ShowMenuCodeDb
\ :call popup_menu(['tag/csope', 'tag/cscope Kernel', 'Autotags update', 'Autotags add dependancy','simple compile_commands', 'bear', "compiledb", "analyse build", "rebuild with make parsing", "cmake option"], #{
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\ title: "Code database for ".g:build_cmd,
\ callback: 'MenuCB', highlight: 'Question', padding: [1,1,0,1]} )
if v:version >= 800 " or 820?
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noremap <S-F8> :ShowMenuCodeDb <CR>
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else
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noremap <S-F8> :call MenuCB(0, 1)<CR>
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endif
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map <M-F8> :call MenuCB(0, 2)<CR>