Fall back on flags for other C/C++ files in the same directory

1 files changed, 10 insertions, 0 deletions

diff --git a/autoload/ale/c.vim b/autoload/ale/c.vim
index 19bb0d5e..d4207e76 100644
--- a/autoload/ale/c.vim
+++ b/autoload/ale/c.vim
@@ -150,12 +150,22 @@ function! s:GetListFromCompileCommandsFile(compile_commands_file) abort
 endfunction
 
 function! ale#c#ParseCompileCommandsFlags(buffer, dir, json_list) abort
+    " Search for an exact file match first.
     for l:item in a:json_list
         if bufnr(l:item.file) is a:buffer
             return ale#c#ParseCFlags(a:dir, l:item.command)
         endif
     endfor
 
+    " Look for any file in the same directory if we can't find an exact match.
+    let l:dir = ale#path#Simplify(expand('#' . a:buffer . ':p:h'))
+
+    for l:item in a:json_list
+        if ale#path#Simplify(fnamemodify(l:item.file, ':h')) is? l:dir
+            return ale#c#ParseCFlags(a:dir, l:item.command)
+        endif
+    endfor
+
     return ''
 endfunction