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-rw-r--r--src/Moonscript.h146
1 files changed, 146 insertions, 0 deletions
diff --git a/src/Moonscript.h b/src/Moonscript.h
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1R"moonscript_codes(
2--[[
3Copyright (C) 2020 by Leaf Corcoran, modified by Li Jin
4
5Permission is hereby granted, free of charge, to any person obtaining a copy
6of this software and associated documentation files (the "Software"), to deal
7in the Software without restriction, including without limitation the rights
8to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9copies of the Software, and to permit persons to whom the Software is
10furnished to do so, subject to the following conditions:
11
12The above copyright notice and this permission notice shall be included in
13all copies or substantial portions of the Software.
14
15THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21THE SOFTWARE.]]
22
23import "moonp"
24import concat, insert, remove from table
25unpack = unpack or table.unpack
26lua = :loadstring, :load
27
28local *
29
30dirsep = "/"
31
32moonp.moon_compiled = {}
33
34split = (str, delim) ->
35 return {} if str == ""
36 str ..= delim
37 [m for m in str\gmatch("(.-)"..delim)]
38
39get_options = (...) ->
40 count = select "#", ...
41 opts = select count, ...
42 if type(opts) == "table"
43 opts, unpack {...}, nil, count - 1
44 else
45 {}, ...
46
47-- create moon path package from lua package path
48create_moonpath = (package_path) ->
49 moonpaths = for path in *split package_path, ";"
50 prefix = path\match "^(.-)%.lua$"
51 continue unless prefix
52 prefix .. ".moon"
53 concat moonpaths, ";"
54
55moon_loader = (name) ->
56 name_path = name\gsub "%.", dirsep
57
58 local file, file_path
59 for path in package.moonpath\gmatch "[^;]+"
60 file_path = path\gsub "?", name_path
61 file = io.open file_path
62 break if file
63
64 if file
65 text = file\read "*a"
66 file\close!
67 res, err = loadstring text, "@#{file_path}"
68 if not res
69 error file_path .. ": " .. err
70
71 return res
72
73 return nil, "Could not find moon file"
74
75
76loadstring = (...) ->
77 options, str, chunk_name, mode, env = get_options ...
78 chunk_name or= "=(moonscript.loadstring)"
79
80 code, err = moonp.to_lua str, options
81 unless code
82 return nil, err
83
84 moonp.moon_compiled[chunk_name] = code if chunk_name
85 -- the unpack prevents us from passing nil
86 (lua.loadstring or lua.load) code, chunk_name, unpack { mode, env }
87
88loadfile = (fname, ...) ->
89 file, err = io.open fname
90 return nil, err unless file
91 text = assert file\read "*a"
92 file\close!
93 loadstring text, "@#{fname}", ...
94
95-- throws errros
96dofile = (...) ->
97 f = assert loadfile ...
98 f!
99
100insert_loader = (pos=2) ->
101 if not package.moonpath
102 package.moonpath = create_moonpath package.path
103
104 loaders = package.loaders or package.searchers
105 for loader in *loaders
106 return false if loader == moon_loader
107
108 insert loaders, pos, moon_loader
109 true
110
111remove_loader = ->
112 loaders = package.loaders or package.searchers
113
114 for i, loader in ipairs loaders
115 if loader == moon_loader
116 remove loaders, i
117 return true
118
119 false
120
121moon_require = (name)->
122 insert_loader!
123 xpcall (-> require name), (err)->
124 msg = moonp.stp.stacktrace err, 2
125 print msg
126
127setmetatable moonp, {
128 __index: (key)=>
129 return nil unless key == "stp"
130 stp = rawget moonp,"stp"
131 unless stp
132 stp = with moonp.load_stacktraceplus!
133 .dump_locals = false
134 .simplified = true
135 rawset moonp,"stp",stp
136 rawset moonp,"load_stacktraceplus",nil
137 stp
138 __call: (name)=> @.require name
139}
140
141moonp[k] = v for k,v in pairs {
142 :insert_loader, :remove_loader, :moon_loader, :dirsep,
143 :dofile, :loadfile, :loadstring, :create_moonpath,
144 require:moon_require
145}
146)moonscript_codes";