From 46040f3ffd35c4a981ca1f3713934f55b58bb525 Mon Sep 17 00:00:00 2001
From: Adam Stankiewicz <sheerun@sher.pl>
Date: Sun, 6 Sep 2020 23:37:24 +0200
Subject: Add heuristics for .h extension

---
 autoload/polyglot.vim | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'autoload/polyglot.vim')

diff --git a/autoload/polyglot.vim b/autoload/polyglot.vim
index ffb3c43f..1ed71826 100644
--- a/autoload/polyglot.vim
+++ b/autoload/polyglot.vim
@@ -154,6 +154,25 @@ func! polyglot#DetectAspFiletype()
   setf aspvbs | return
 endfunc
 
+func! polyglot#DetectHFiletype()
+  for lnum in range(1, min([line("$"), 200]))
+    let line = getline(lnum)
+    if line =~# '^\s*\(@\(interface\|class\|protocol\|property\|end\|synchronised\|selector\|implementation\)\(\<\|\>\)\|#import\s\+.\+\.h[">]\)'
+      if exists("g:c_syntax_for_h")
+        setf objc | return
+      endif
+      setf objcpp | return
+    endif
+  endfor
+  if exists("g:c_syntax_for_h")
+    setf c | return
+  endif
+  if exists("g:ch_syntax_for_h")
+    setf ch | return
+  endif
+  setf cpp | return
+endfunc
+
 func! polyglot#DetectMFiletype()
   let saw_comment = 0
   for lnum in range(1, min([line("$"), 100]))
-- 
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