| 1 | #!/usr/bin/env python2
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| 2 | """
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| 3 | osh_eval.py
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| 4 | """
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| 5 | from __future__ import print_function
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| 6 |
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| 7 | import sys
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| 8 |
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| 9 | from asdl import runtime
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| 10 | from core import error
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| 11 | from core import shell
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| 12 | from core.pyerror import log
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| 13 | from core import pyos
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| 14 | from core import pyutil
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| 15 | from core.pyutil import stderr_line
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| 16 | from frontend import args
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| 17 | from frontend import flag_def # side effect: flags are defined!
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| 18 | unused2 = flag_def
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| 19 |
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| 20 | from typing import List
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| 21 |
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| 22 |
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| 23 | def main(argv):
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| 24 | # type: (List[str]) -> int
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| 25 | loader = pyutil.GetResourceLoader()
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| 26 | login_shell = False
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| 27 |
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| 28 | environ = pyos.Environ()
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| 29 |
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| 30 | arg_r = args.Reader(argv, spids=[runtime.NO_SPID] * len(argv))
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| 31 |
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| 32 | try SYNTAX_ERROR:
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| 33 | status = shell.Main('osh', arg_r, environ, login_shell, loader, None)
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| 34 | return status
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| 35 | except error.Usage as e:
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| 36 | #builtin.Help(['oil-usage'], util.GetResourceLoader())
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| 37 | log('oil: %s', e.msg)
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| 38 | return 2
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| 39 | except RuntimeError as e:
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| 40 | if 0:
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| 41 | import traceback
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| 42 | traceback.print_exc()
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| 43 | # NOTE: The Python interpreter can cause this, e.g. on stack overflow.
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| 44 | # f() { f; }; f will cause this
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| 45 | msg = e.message # type: str
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| 46 | stderr_line('osh fatal error: %s', msg)
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| 47 | return 1
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| 48 |
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| 49 | # Note: This doesn't happen in C++.
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| 50 | except KeyboardInterrupt:
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| 51 | print('')
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| 52 | return 130 # 128 + 2
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| 53 |
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| 54 | # SYNTAX
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| 55 | except (IOError, OSError) as e:
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| 56 | if 0:
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| 57 | import traceback
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| 58 | traceback.print_exc()
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| 59 |
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| 60 | # test this with prlimit --nproc=1 --pid=$$
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| 61 | stderr_line('osh I/O error: %s', pyutil.strerror(e))
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| 62 | return 2 # dash gives status 2
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| 63 |
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| 64 |
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| 65 | if __name__ == '__main__':
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| 66 | sys.exit(main(sys.argv))
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