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73 lines
1.4 KiB
Lua
Executable File
73 lines
1.4 KiB
Lua
Executable File
#!/usr/bin/env lua
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require "alt_getopt"
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require "moonscript.errors"
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require "moonscript"
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local util = require "moonscript.util"
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-- moonloader and repl
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local opts, ind = alt_getopt.get_opts(arg, "cvhd", { version = "v", help = "h" })
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local help = [=[Usage: %s [options] [script [args]]
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-h Print this message
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-d Disable stack trace rewriting
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-v Print version
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]=]
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local function print_help(err)
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if err then print("Error: "..err) end
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print(help:format(arg[0]))
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os.exit()
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end
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if opts.h then print_help() end
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if opts.v then
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local v = require "moonscript.version"
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v.print_version()
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os.exit()
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end
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local script_fname = arg[ind]
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if not script_fname then
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print_help("repl not yet supported")
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return
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end
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local new_arg = {
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[-1] = arg[0],
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[0] = arg[ind],
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select(ind + 1, unpack(arg))
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}
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local moonscript_chunk
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local passed, err = pcall(function()
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moonscript_chunk = moonscript.loadfile(script_fname)
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end)
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if not passed then
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print(err)
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os.exit(1)
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end
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getfenv(moonscript_chunk).arg = new_arg
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if not opts.d then
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local err, trace
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xpcall(function() moonscript_chunk(unpack(new_arg)) end, function(_err)
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err = _err
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trace = debug.traceback("", 2)
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end)
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if err then
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local traceback = util.trim(trace)
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traceback = moonscript.errors.truncate_traceback(traceback)
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print(moonscript.errors.rewrite_traceback(traceback, err))
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os.exit(1)
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end
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else
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moonscript_chunk(unpack(new_arg))
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end
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