diff options
Diffstat (limited to 'contrib/llvm/utils/vim/vimrc')
-rw-r--r-- | contrib/llvm/utils/vim/vimrc | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/contrib/llvm/utils/vim/vimrc b/contrib/llvm/utils/vim/vimrc new file mode 100644 index 0000000..1f314c2 --- /dev/null +++ b/contrib/llvm/utils/vim/vimrc @@ -0,0 +1,220 @@ +" LLVM coding guidelines conformance for VIM +" $Revision: 112982 $ +" +" Maintainer: The LLVM Team, http://llvm.org +" WARNING: Read before you source in all these commands and macros! Some +" of them may change VIM behavior that you depend on. +" +" You can run VIM with these settings without changing your current setup with: +" $ vim -u /path/to/llvm/utils/vim/vimrc + +" It's VIM, not VI +set nocompatible + +" A tab produces a 2-space indentation +set softtabstop=2 +set shiftwidth=2 +set expandtab + +" Highlight trailing whitespace and lines longer than 80 columns. +highlight LongLine ctermbg=DarkYellow guibg=DarkYellow +highlight WhitespaceEOL ctermbg=DarkYellow guibg=DarkYellow +if v:version >= 702 + " Lines longer than 80 columns. + au BufWinEnter * let w:m0=matchadd('LongLine', '\%>80v.\+', -1) + + " Whitespace at the end of a line. This little dance suppresses + " whitespace that has just been typed. + au BufWinEnter * let w:m1=matchadd('WhitespaceEOL', '\s\+$', -1) + au InsertEnter * call matchdelete(w:m1) + au InsertEnter * let w:m2=matchadd('WhitespaceEOL', '\s\+\%#\@<!$', -1) + au InsertLeave * call matchdelete(w:m2) + au InsertLeave * let w:m1=matchadd('WhitespaceEOL', '\s\+$', -1) +else + au BufRead,BufNewFile * syntax match LongLine /\%>80v.\+/ + au InsertEnter * syntax match WhitespaceEOL /\s\+\%#\@<!$/ + au InsertLeave * syntax match WhitespaceEOL /\s\+$/ +endif + +" Enable filetype detection +filetype on + +" Optional +" C/C++ programming helpers +augroup csrc + au! + autocmd FileType * set nocindent smartindent + autocmd FileType c,cpp set cindent +augroup END +" Set a few indentation parameters. See the VIM help for cinoptions-values for +" details. These aren't absolute rules; they're just an approximation of +" common style in LLVM source. +set cinoptions=:0,g0,(0,Ws,l1 +" Add and delete spaces in increments of `shiftwidth' for tabs +set smarttab + +" Highlight syntax in programming languages +syntax on + +" LLVM Makefiles can have names such as Makefile.rules or TEST.nightly.Makefile, +" so it's important to categorize them as such. +augroup filetype + au! BufRead,BufNewFile *Makefile* set filetype=make +augroup END + +" In Makefiles, don't expand tabs to spaces, since we need the actual tabs +autocmd FileType make set noexpandtab + +" Useful macros for cleaning up code to conform to LLVM coding guidelines + +" Delete trailing whitespace and tabs at the end of each line +command! DeleteTrailingWs :%s/\s\+$// + +" Convert all tab characters to two spaces +command! Untab :%s/\t/ /g + +" Enable syntax highlighting for LLVM files. To use, copy +" utils/vim/llvm.vim to ~/.vim/syntax . +augroup filetype + au! BufRead,BufNewFile *.ll set filetype=llvm +augroup END + +" Enable syntax highlighting for tablegen files. To use, copy +" utils/vim/tablegen.vim to ~/.vim/syntax . +augroup filetype + au! BufRead,BufNewFile *.td set filetype=tablegen +augroup END + +" Additional vim features to optionally uncomment. +"set showcmd +"set showmatch +"set showmode +"set incsearch +"set ruler + +" Clang code-completion support. This is highly experimental! + +" A path to a clang executable. +let g:clang_path = "clang++" + +" A list of options to add to the clang commandline, for example to add +" include paths, predefined macros, and language options. +let g:clang_opts = [ + \ "-x","c++", + \ "-D__STDC_LIMIT_MACROS=1","-D__STDC_CONSTANT_MACROS=1", + \ "-Iinclude" ] + +function! ClangComplete(findstart, base) + if a:findstart == 1 + " In findstart mode, look for the beginning of the current identifier. + let l:line = getline('.') + let l:start = col('.') - 1 + while l:start > 0 && l:line[l:start - 1] =~ '\i' + let l:start -= 1 + endwhile + return l:start + endif + + " Get the current line and column numbers. + let l:l = line('.') + let l:c = col('.') + + " Build a clang commandline to do code completion on stdin. + let l:the_command = shellescape(g:clang_path) . + \ " -cc1 -code-completion-at=-:" . l:l . ":" . l:c + for l:opt in g:clang_opts + let l:the_command .= " " . shellescape(l:opt) + endfor + + " Copy the contents of the current buffer into a string for stdin. + " TODO: The extra space at the end is for working around clang's + " apparent inability to do code completion at the very end of the + " input. + " TODO: Is it better to feed clang the entire file instead of truncating + " it at the current line? + let l:process_input = join(getline(1, l:l), "\n") . " " + + " Run it! + let l:input_lines = split(system(l:the_command, l:process_input), "\n") + + " Parse the output. + for l:input_line in l:input_lines + " Vim's substring operator is annoyingly inconsistent with python's. + if l:input_line[:11] == 'COMPLETION: ' + let l:value = l:input_line[12:] + + " Chop off anything after " : ", if present, and move it to the menu. + let l:menu = "" + let l:spacecolonspace = stridx(l:value, " : ") + if l:spacecolonspace != -1 + let l:menu = l:value[l:spacecolonspace+3:] + let l:value = l:value[:l:spacecolonspace-1] + endif + + " Chop off " (Hidden)", if present, and move it to the menu. + let l:hidden = stridx(l:value, " (Hidden)") + if l:hidden != -1 + let l:menu .= " (Hidden)" + let l:value = l:value[:l:hidden-1] + endif + + " Handle "Pattern". TODO: Make clang less weird. + if l:value == "Pattern" + let l:value = l:menu + let l:pound = stridx(l:value, "#") + " Truncate the at the first [#, <#, or {#. + if l:pound != -1 + let l:value = l:value[:l:pound-2] + endif + endif + + " Filter out results which don't match the base string. + if a:base != "" + if l:value[:strlen(a:base)-1] != a:base + continue + end + endif + + " TODO: Don't dump the raw input into info, though it's nice for now. + " TODO: The kind string? + let l:item = { + \ "word": l:value, + \ "menu": l:menu, + \ "info": l:input_line, + \ "dup": 1 } + + " Report a result. + if complete_add(l:item) == 0 + return [] + endif + if complete_check() + return [] + endif + + elseif l:input_line[:9] == "OVERLOAD: " + " An overload candidate. Use a crazy hack to get vim to + " display the results. TODO: Make this better. + let l:value = l:input_line[10:] + let l:item = { + \ "word": " ", + \ "menu": l:value, + \ "info": l:input_line, + \ "dup": 1} + + " Report a result. + if complete_add(l:item) == 0 + return [] + endif + if complete_check() + return [] + endif + + endif + endfor + + + return [] +endfunction ClangComplete + +" Uncomment this to enable the highly-broken autocompletion support. +"set omnifunc=ClangComplete |