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117 lines
2.1 KiB
Plaintext
117 lines
2.1 KiB
Plaintext
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require "alt_getopt"
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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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opts, ind = alt_getopt.get_opts arg, "cvhd", {
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version: "v"
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help: "h"
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}
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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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-c Collect and print code coverage
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-v Print version
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]=]
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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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print_help = (err) ->
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help = help\format arg[0]
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if err
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print_err err
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print_err help
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else
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print help
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os.exit!
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run = ->
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if opts.h
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print_help!
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if opts.v
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require("moonscript.version").print_version!
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os.exit!
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script_fname = arg[ind]
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unless script_fname
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print_help "repl not yet supported"
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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, 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 = new_arg
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run_chunk = ->
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moonscript.insert_loader!
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moonscript_chunk unpack new_arg
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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.c
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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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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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