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100 lines
2.0 KiB
Plaintext
100 lines
2.0 KiB
Plaintext
argparse = require "argparse"
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moonscript = require "moonscript.base"
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util = require "moonscript.util"
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errors = require "moonscript.errors"
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unpack = util.unpack
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argparser = argparse! name: "moon"
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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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base = 0
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for flag in *arg
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base += 1
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break if flag\sub(1, 1) != "-"
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args = {unpack arg, 1, base}
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opts = argparser\parse args
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print_err = (...) ->
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msg = table.concat [tostring v for v in *{...}], "\t"
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io.stderr\write msg .. "\n"
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run = ->
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if opts.version
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require("moonscript.version").print_version!
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os.exit!
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script_fname = opts.script
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args = {unpack arg, base + 1}
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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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passed, err = pcall ->
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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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unless passed
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print_err err
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os.exit 1
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unless moonscript_chunk
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if lua_parse_error
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print_err lua_parse_error
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else
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print_err "Can't file file: #{script_fname}"
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os.exit 1
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util.getfenv(moonscript_chunk).arg = args
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run_chunk = ->
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moonscript.insert_loader!
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moonscript_chunk unpack args
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moonscript.remove_loader!
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if opts.d
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return run_chunk!
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local err, trace, cov
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if opts.coverage
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print "starting coverage"
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coverage = require "moonscript.cmd.coverage"
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cov = coverage.CodeCoverage!
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cov\start!
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xpcall run_chunk, (_err) ->
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err = _err
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trace = debug.traceback "", 2
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if err
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truncated = errors.truncate_traceback util.trim trace
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rewritten = errors.rewrite_traceback truncated, err
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if rewritten
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print_err rewritten
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else
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-- failed to rewrite, show original
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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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os.exit 1
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else
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if cov
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cov\stop!
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cov\print_results!
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run!
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