misc: adds extern class type to vim syntax highlighting

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/misc/vim/syntax/nit.vim b/misc/vim/syntax/nit.vim
index 899dc7d..2f03435 100644 (file)
--- a/misc/vim/syntax/nit.vim
+++ b/misc/vim/syntax/nit.vim
@@ -53,7 +53,7 @@ syn match Error "\<end\>"
 
 " Declarations, definitions and blocks
 syn region NITModuleDecl matchgroup=NITDefine start="\<\(import\|module\|package\)\>\s*" matchgroup=NONE end="\ze\(\s\|:\|(\|$\)"  oneline
-syn region NITClassBlock matchgroup=NITDefine start="\<\(class\|enum\|universal\|interface\)\>" matchgroup=NITDefine end="\<end\>" contains=ALL fold
+syn region NITClassBlock matchgroup=NITDefine start="\<\(class\|enum\|universal\|interface\|extern\)\>" matchgroup=NITDefine end="\<end\>" contains=ALL fold
 syn region NITFunctionDecl matchgroup=NITDefine start="\<fun\>\s*" matchgroup=NONE end="\ze\(\<do\>\|\s\|:\|(\|$\)"  oneline
 syn region NITTypeDecl matchgroup=NITDefine start="\<type\>\s*" matchgroup=NONE end="\ze\(\<do\>\|\s\|:\|(\|$\)"  oneline contained containedin=NITClassBlock
 syn region NITAttrDecl matchgroup=NITDefine start="\<var\>\s*\ze_" matchgroup=NONE end="\ze\(\<do\>\|\s\|:\|(\|$\)"  oneline contained containedin=NITClassBlock
@@ -73,7 +73,7 @@ syn match  NITSharpBang       "\%^#!.*"
 syn match  NITComment  "#.*" contains=NITTodo
 
 " Keywords
-syn keyword NITKeyword  is abstract intern extern new
+syn keyword NITKeyword  is abstract intern new
 syn keyword NITDefine   private public protected intrude readable writable redef
 syn keyword NITControl   if while for assert and or in as isa once break continue return abort
 syn keyword NITClass     nullable