mirror of
https://github.com/leafo/moonscript.git
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117 lines
2.8 KiB
Lua
Executable File
117 lines
2.8 KiB
Lua
Executable File
#!/usr/bin/env lua
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local argparse = require("argparse")
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local moonscript = require("moonscript.base")
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local util = require("moonscript.util")
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local errors = require("moonscript.errors")
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local unpack = util.unpack
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local argparser = argparse()({
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name = "moon"
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})
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argparser:argument("script")
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argparser:argument("args"):args("*")
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argparser:option("-c --coverage", "Collect and print code coverage")
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argparser:option("-d", "Disable stack trace rewriting")
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argparser:option("-v --version", "Print version information")
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local base = 0
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local _list_0 = arg
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for _index_0 = 1, #_list_0 do
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local flag = _list_0[_index_0]
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base = base + 1
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if flag:sub(1, 1) ~= "-" then
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break
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end
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end
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local args = {
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unpack(arg, 1, base)
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}
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local opts = argparser:parse(args)
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local print_err
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print_err = function(...)
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local msg = table.concat((function(...)
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local _accum_0 = { }
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local _len_0 = 1
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local _list_1 = {
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...
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}
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for _index_0 = 1, #_list_1 do
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local v = _list_1[_index_0]
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_accum_0[_len_0] = tostring(v)
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_len_0 = _len_0 + 1
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end
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return _accum_0
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end)(...), "\t")
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return io.stderr:write(msg .. "\n")
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end
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local run
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run = function()
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if opts.version then
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require("moonscript.version").print_version()
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os.exit()
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end
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local script_fname = opts.script
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args = {
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unpack(arg, base + 1)
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}
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args[-1] = arg[0]
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args[0] = opts.script
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local moonscript_chunk, lua_parse_error
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local passed, err = pcall(function()
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moonscript_chunk, lua_parse_error = moonscript.loadfile(script_fname, {
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implicitly_return_root = false
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})
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end)
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if not (passed) then
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print_err(err)
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os.exit(1)
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end
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if not (moonscript_chunk) then
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if lua_parse_error then
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print_err(lua_parse_error)
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else
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print_err("Can't file file: " .. tostring(script_fname))
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end
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os.exit(1)
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end
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util.getfenv(moonscript_chunk).arg = args
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local run_chunk
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run_chunk = function()
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moonscript.insert_loader()
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moonscript_chunk(unpack(args))
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return moonscript.remove_loader()
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end
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if opts.d then
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return run_chunk()
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end
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local err, trace, cov
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if opts.coverage then
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print("starting coverage")
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local coverage = require("moonscript.cmd.coverage")
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cov = coverage.CodeCoverage()
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cov:start()
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end
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xpcall(run_chunk, 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 truncated = errors.truncate_traceback(util.trim(trace))
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local rewritten = errors.rewrite_traceback(truncated, err)
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if rewritten then
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print_err(rewritten)
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else
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print_err(table.concat({
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err,
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util.trim(trace)
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}, "\n"))
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end
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return os.exit(1)
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else
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if cov then
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cov:stop()
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return cov:print_results()
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end
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end
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end
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return run()
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-- vim: set filetype=lua:
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