Mercurial Hosting > luan

annotate src/luan/tools/cmd_line.luan @ 133:98aba462c422

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
add tools/cmd_line.luan git-svn-id: https://luan-java.googlecode.com/svn/trunk@134 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Wed, 11 Jun 2014 05:20:19 +0000
parents
children 7e160d2f6d9c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
133
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
2 local standalone_usage = [=[
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
3 usage: java luan.CmdLine [options] [script [args]]
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
4 Available options are:
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
5 -e stat execute string 'stat'
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
6 -i enter interactive mode after executing 'script'
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
7 -v show version information
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
8 -- stop handling options
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
9 - stop handling options and execute stdin
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
10 ]=]
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
11
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
12 local function standalone_error(msg)
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
13 Io.stderr.write( msg, "\n", standalone_usage )
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
14 end
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
15
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
16
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
17 local args = {...}
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
18 local interactive = false
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
19 local showVersion = false
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
20 local i = 1
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
21 if #args == 0 then
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
22 interactive = true
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
23 showVersion = true
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
24 else
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
25 while i <= #args do
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
26 local arg = args[i]
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
27 if arg.sub(1,1) ~= "-" or arg == "--" then
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
28 break
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
29 end
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
30 if arg == "-i" then
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
31 interactive = true
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
32 elseif arg == "-v" then
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
33 showVersion = true
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
34 elseif arg == "-e" then
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
35 i = i + 1
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
36 if i == #args then
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
37 standalone_error "'-e' needs argument"
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
38 return
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
39 end
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
40 local cmd = args[i]
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
41 local fn = load(cmd,"(command line)",true,true)
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
42 local result = Table.pack( fn() )
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
43 if result.n > 0 then
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
44 print( Table.unpack(result,1,result.n) )
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
45 end
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
46 elseif arg == "-" then
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
47 local src = Io.stdin.read_text()
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
48 local fn = load(src,"stdin")
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
49 fn()
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
50 return
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
51 else
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
52 standalone_error( "unrecognized option '"..arg.."'" )
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
53 return
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
54 end
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
55 i = i + 1
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
56 end
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
57 end
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
58 if showVersion then print(_VERSION) end
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
59 if i <= #args then
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
60 local file = args[i]
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
61 _G.arg = {}
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
62 for j,v in ipairs(args) do
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
63 _G.arg[j-i] = v
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
64 end
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
65 local fn = load_file(file)
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
66 fn( Table.unpack(_G.arg) )
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
67 end
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
68 if interactive then
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
69 Debug.debug("> ")
98aba462c422 add tools/cmd_line.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
70 end