[cfe-commits] [PATCH] New clang-check vim integration script

[Alexander Kornienko]

  Fixed regexp for vim 7.3.
  Automatically go to the first error when there are errors, and close error window otherwise (:cwindow).
  Don't require Enter after successful run.

Hi klimek,

http://llvm-reviews.chandlerc.com/D35

CHANGE SINCE LAST DIFF
  http://llvm-reviews.chandlerc.com/D35?vs=90&id=93#toc

Files:
  tools/clang/docs/HowToSetupToolingForLLVM.html

Index: tools/clang/docs/HowToSetupToolingForLLVM.html
===================================================================
--- tools/clang/docs/HowToSetupToolingForLLVM.html
+++ tools/clang/docs/HowToSetupToolingForLLVM.html
@@ -77,12 +77,37 @@
 <p>If you're using vim, it's convenient to have clang-check integrated. Put this
 into your .vimrc:</p>
 <pre>
-  set makeprg=clang-check\ %
-  map <F5> :make<CR><CR>
-</pre>
-
-<p>When editing C++ code, hit F5 to reparse the current buffer. The output will
-go into the error window, which you can enable with <code>:cope</code>.</p>
+function! ClangCheckImpl(cmd)
+  echo "Running " . a:cmd
+  let l:output = system(a:cmd)
+  cexpr l:output
+  cwindow
+  let w:quickfix_title = a:cmd
+  if v:shell_error != 0
+    cc
+  endif
+  let g:clang_check_last_cmd = a:cmd
+endfunction
+
+function! ClangCheck()
+  let l:filename = expand('%')
+  if l:filename =~ '\.\(cpp\|cxx\|cc\|c\)$'
+    call ClangCheckImpl("clang-check " . l:filename)
+  elseif exists("g:clang_check_last_cmd")
+    call ClangCheckImpl(g:clang_check_last_cmd)
+  else
+    echo "Can't detect file's compilation arguments and no previous clang-check invocation!"
+  endif
+endfunction
+
+nmap <silent> <F5> :call ClangCheck()<CR><CR>
+</pre>
+
+<p>When editing .cpp/.cxx/.cc/.c file, hit F5 to reparse the file. In case the
+current file has different extension (for example, .h), F5 will re-run the last
+clang-check invocation made from this vim instance (if any). The output will
+go into the error window, which is opened automatically when clang-check finds
+errors, and can be re-opened with <code>:cope</code>.</p>
 
 <p>Other <code>clang-check</code> options that can be useful when working with
 clang AST:</p>
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