1" Vim syntax support file
2" Maintainer:	Bram Moolenaar <Bram@vim.org>
3" Last Change:	2010 Aug 08
4
5" This file sets up for syntax highlighting.
6" It is loaded from "syntax.vim" and "manual.vim".
7" 1. Set the default highlight groups.
8" 2. Install Syntax autocommands for all the available syntax files.
9
10if !has("syntax")
11  finish
12endif
13
14" let others know that syntax has been switched on
15let syntax_on = 1
16
17" Set the default highlighting colors.  Use a color scheme if specified.
18if exists("colors_name")
19  exe "colors " . colors_name
20else
21  runtime! syntax/syncolor.vim
22endif
23
24" Line continuation is used here, remove 'C' from 'cpoptions'
25let s:cpo_save = &cpo
26set cpo&vim
27
28" First remove all old syntax autocommands.
29au! Syntax
30
31au Syntax *		call s:SynSet()
32
33fun! s:SynSet()
34  " clear syntax for :set syntax=OFF  and any syntax name that doesn't exist
35  syn clear
36  if exists("b:current_syntax")
37    unlet b:current_syntax
38  endif
39
40  let s = expand("<amatch>")
41  if s == "ON"
42    " :set syntax=ON
43    if &filetype == ""
44      echohl ErrorMsg
45      echo "filetype unknown"
46      echohl None
47    endif
48    let s = &filetype
49  endif
50
51  if s != ""
52    " Load the syntax file(s).  When there are several, separated by dots,
53    " load each in sequence.
54    for name in split(s, '\.')
55      exe "runtime! syntax/" . name . ".vim syntax/" . name . "/*.vim"
56    endfor
57  endif
58endfun
59
60
61" Handle adding doxygen to other languages (C, C++, C#, IDL)
62au Syntax c,cpp,cs,idl
63	\ if (exists('b:load_doxygen_syntax') && b:load_doxygen_syntax)
64	\	|| (exists('g:load_doxygen_syntax') && g:load_doxygen_syntax)
65	\   | runtime! syntax/doxygen.vim
66	\ | endif
67
68
69" Source the user-specified syntax highlighting file
70if exists("mysyntaxfile") && filereadable(expand(mysyntaxfile))
71  execute "source " . mysyntaxfile
72endif
73
74" Restore 'cpoptions'
75let &cpo = s:cpo_save
76unlet s:cpo_save
77