" LLVM coding guidelines conformance for VIM
+" $Revision$
"
" Maintainer: The LLVM Team, http://llvm.org
" WARNING: Read before you source in all these commands and macros! Some
au BufWinEnter * let w:m0=matchadd('LongLine', '\%>80v.\+', -1)
" Whitespace at the end of a line. This little dance suppresses
- " of whitespace that has just been typed.
+ " 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! BufRead,BufNewFile *.td set filetype=tablegen
augroup END
+" Enable syntax highlighting for reStructuredText files. To use, copy
+" rest.vim (http://www.vim.org/scripts/script.php?script_id=973)
+" to ~/.vim/syntax .
+augroup filetype
+ au! BufRead,BufNewFile *.rst set filetype=rest
+augroup END
+
" Additional vim features to optionally uncomment.
"set showcmd
"set showmatch
"set showmode
"set incsearch
"set ruler
+
+" Clang code-completion support. This is somewhat 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
+
+" This to enables the somewhat-experimental clang-based
+" autocompletion support.
+set omnifunc=ClangComplete