|
7
|
1 " Vim indent file
|
|
1200
|
2 " Language: Makefile
|
|
|
3 " Maintainer: Nikolai Weibull <now@bitwi.se>
|
|
|
4 " Latest Revision: 2007-05-07
|
|
7
|
5
|
|
|
6 if exists("b:did_indent")
|
|
|
7 finish
|
|
|
8 endif
|
|
|
9 let b:did_indent = 1
|
|
|
10
|
|
|
11 setlocal indentexpr=GetMakeIndent()
|
|
1200
|
12 setlocal indentkeys=!^F,o,O,<:>,=else,=endif
|
|
844
|
13 setlocal nosmartindent
|
|
7
|
14
|
|
|
15 if exists("*GetMakeIndent")
|
|
|
16 finish
|
|
|
17 endif
|
|
|
18
|
|
1200
|
19 let s:comment_rx = '^\s*#'
|
|
839
|
20 let s:rule_rx = '^[^ \t#:][^#:]*:\{1,2}\%([^=:]\|$\)'
|
|
1200
|
21 let s:continued_rule_rx = '^[^#:]*:\{1,2}\%([^=:]\|$\)'
|
|
839
|
22 let s:continuation_rx = '\\$'
|
|
1200
|
23 let s:assignment_rx = '^\s*\h\w*\s*[+?]\==\s*\zs.*\\$'
|
|
|
24 let s:folded_assignment_rx = '^\s*\h\w*\s*[+?]\=='
|
|
|
25 " TODO: This needs to be a lot more restrictive in what it matches.
|
|
|
26 let s:just_inserted_rule_rx = '^\s*[^#:]\+:\{1,2}$'
|
|
|
27 let s:conditional_directive_rx = '^ *\%(ifn\=\%(eq\|def\)\|else\)\>'
|
|
|
28 let s:end_conditional_directive_rx = '^\s*\%(else\|endif\)\>'
|
|
7
|
29
|
|
1200
|
30 function s:remove_continuation(line)
|
|
|
31 return substitute(a:line, s:continuation_rx, "", "")
|
|
|
32 endfunction
|
|
|
33
|
|
7
|
34 function GetMakeIndent()
|
|
1200
|
35 " TODO: Should this perhaps be v:lnum -1?
|
|
|
36 " let prev_lnum = prevnonblank(v:lnum - 1)
|
|
|
37 let prev_lnum = v:lnum - 1
|
|
|
38 if prev_lnum == 0
|
|
7
|
39 return 0
|
|
|
40 endif
|
|
1200
|
41 let prev_line = getline(prev_lnum)
|
|
7
|
42
|
|
1200
|
43 let prev_prev_lnum = prev_lnum - 1
|
|
|
44 let prev_prev_line = prev_prev_lnum != 0 ? getline(prev_prev_lnum) : ""
|
|
839
|
45
|
|
1200
|
46 " TODO: Deal with comments. In comments, continuations aren't interesting.
|
|
|
47 if prev_line =~ s:continuation_rx
|
|
|
48 if prev_prev_line =~ s:continuation_rx
|
|
|
49 return indent(prev_lnum)
|
|
|
50 elseif prev_line =~ s:rule_rx
|
|
|
51 return &sw
|
|
|
52 elseif prev_line =~ s:assignment_rx
|
|
|
53 call cursor(prev_lnum, 1)
|
|
|
54 if search(s:assignment_rx, 'W') != 0
|
|
|
55 return virtcol('.') - 1
|
|
|
56 else
|
|
|
57 " TODO: ?
|
|
|
58 return &sw
|
|
844
|
59 endif
|
|
1200
|
60 else
|
|
|
61 " TODO: OK, this might be a continued shell command, so perhaps indent
|
|
|
62 " properly here? Leave this out for now, but in the next release this
|
|
|
63 " should be using indent/sh.vim somehow.
|
|
|
64 "if prev_line =~ '^\t' " s:rule_command_rx
|
|
|
65 " if prev_line =~ '^\s\+[@-]\%(if\)\>'
|
|
|
66 " return indent(prev_lnum) + 2
|
|
|
67 " endif
|
|
|
68 "endif
|
|
|
69 return indent(prev_lnum) + &sw
|
|
844
|
70 endif
|
|
1200
|
71 elseif prev_prev_line =~ s:continuation_rx
|
|
|
72 let folded_line = s:remove_continuation(prev_prev_line) . ' ' . s:remove_continuation(prev_line)
|
|
|
73 let lnum = prev_prev_lnum - 1
|
|
|
74 let line = getline(lnum)
|
|
|
75 while line =~ s:continuation_rx
|
|
|
76 let folded_line = s:remove_continuation(line) . ' ' . folded_line
|
|
839
|
77 let lnum -= 1
|
|
|
78 let line = getline(lnum)
|
|
|
79 endwhile
|
|
1200
|
80 let folded_lnum = lnum + 1
|
|
|
81 if folded_line =~ s:rule_rx
|
|
|
82 if getline(v:lnum) =~ s:rule_rx
|
|
|
83 return 0
|
|
|
84 else
|
|
|
85 return &ts
|
|
|
86 endif
|
|
|
87 else
|
|
|
88 " elseif folded_line =~ s:folded_assignment_rx
|
|
|
89 if getline(v:lnum) =~ s:rule_rx
|
|
|
90 return 0
|
|
|
91 else
|
|
|
92 return indent(folded_lnum)
|
|
|
93 endif
|
|
|
94 " else
|
|
|
95 " " TODO: ?
|
|
|
96 " return indent(prev_lnum)
|
|
|
97 endif
|
|
|
98 elseif prev_line =~ s:rule_rx
|
|
|
99 if getline(v:lnum) =~ s:rule_rx
|
|
|
100 return 0
|
|
|
101 else
|
|
|
102 return &ts
|
|
|
103 endif
|
|
|
104 elseif prev_line =~ s:conditional_directive_rx
|
|
|
105 return &sw
|
|
839
|
106 else
|
|
1200
|
107 let line = getline(v:lnum)
|
|
|
108 if line =~ s:just_inserted_rule_rx
|
|
|
109 return 0
|
|
|
110 elseif line =~ s:end_conditional_directive_rx
|
|
|
111 return v:lnum - 1 == 0 ? 0 : indent(v:lnum - 1) - &sw
|
|
|
112 else
|
|
|
113 return v:lnum - 1 == 0 ? 0 : indent(v:lnum - 1)
|
|
|
114 endif
|
|
7
|
115 endif
|
|
|
116 endfunction
|
