new file mode 100644
--- /dev/null
+++ b/runtime/syntax/antlr.vim
@@ -0,0 +1,70 @@
+" Vim syntax file
+" Antlr:	ANTLR, Another Tool For Language Recognition <www.antlr.org>
+" Maintainer:	Mathieu Clabaut <mathieu.clabaut@free.fr>
+" LastChange:	02 May 2001
+" Original:	Comes from JavaCC.vim
+
+" For version 5.x: Clear all syntax items
+" For version 6.x: Quit when a syntax file was already loaded
+if version < 600
+   syntax clear
+elseif exists("b:current_syntax")
+   finish
+endif
+
+" This syntac file is a first attempt. It is far from perfect...
+
+" Uses java.vim, and adds a few special things for JavaCC Parser files.
+" Those files usually have the extension  *.jj
+
+" source the java.vim file
+if version < 600
+   so <sfile>:p:h/java.vim
+else
+   runtime! syntax/java.vim
+   unlet b:current_syntax
+endif
+
+"remove catching errors caused by wrong parenthesis (does not work in antlr
+"files) (first define them in case they have not been defined in java)
+syn match	javaParen "--"
+syn match	javaParenError "--"
+syn match	javaInParen "--"
+syn match	javaError2 "--"
+syn clear	javaParen
+syn clear	javaParenError
+syn clear	javaInParen
+syn clear	javaError2
+
+" remove function definitions (they look different) (first define in
+" in case it was not defined in java.vim)
+"syn match javaFuncDef "--"
+"syn clear javaFuncDef
+"syn match javaFuncDef "[a-zA-Z][a-zA-Z0-9_. \[\]]*([^-+*/()]*)[ \t]*:" contains=javaType
+" syn region javaFuncDef start=+t[a-zA-Z][a-zA-Z0-9_. \[\]]*([^-+*/()]*,[ 	]*+ end=+)[ \t]*:+
+
+syn keyword antlrPackages options language buildAST
+syn match antlrPackages "PARSER_END([^)]*)"
+syn match antlrPackages "PARSER_BEGIN([^)]*)"
+syn match antlrSpecToken "<EOF>"
+" the dot is necessary as otherwise it will be matched as a keyword.
+syn match antlrSpecToken ".LOOKAHEAD("ms=s+1,me=e-1
+syn match antlrSep "[|:]\|\.\."
+syn keyword antlrActionToken TOKEN SKIP MORE SPECIAL_TOKEN
+syn keyword antlrError DEBUG IGNORE_IN_BNF
+
+if version >= 508 || !exists("did_antlr_syntax_inits")
+   if version < 508
+      let did_antlr_syntax_inits = 1
+      command -nargs=+ HiLink hi link <args>
+   else
+      command -nargs=+ HiLink hi def link <args>
+   endif
+   HiLink antlrSep Statement
+   HiLink antlrPackages Statement
+  delcommand HiLink
+endif
+
+let b:current_syntax = "antlr"
+
+" vim: ts=8