def OshCommandMain(argv):
"""Run an 'oshc' tool.
'osh' is short for "osh compiler" or "osh command".
TODO:
- oshc --help
oshc deps
--path: the $PATH to use to find executables. What about libraries?
NOTE: we're leaving out su -c, find, xargs, etc.? Those should generally
run functions using the $0 pattern.
--chained-command sudo
"""
try:
action = argv[0]
except IndexError:
raise args.UsageError('oshc: Missing required subcommand.')
if action not in SUBCOMMANDS:
raise args.UsageError('oshc: Invalid subcommand %r.' % action)
try:
script_name = argv[1]
except IndexError:
script_name = '<stdin>'
f = sys.stdin
else:
try:
f = open(script_name)
except IOError as e:
util.error("Couldn't open %r: %s", script_name,
posix.strerror(e.errno))
return 2
pool = alloc.Pool()
arena = pool.NewArena()
arena.PushSource(script_name)
line_reader = reader.FileLineReader(f, arena)
aliases = {} # Dummy value; not respecting aliases!
parse_ctx = parse_lib.ParseContext(arena, aliases)
c_parser = parse_ctx.MakeOshParser(line_reader)
try:
node = main_loop.ParseWholeFile(c_parser)
except util.ParseError as e:
ui.PrettyPrintError(e, arena, sys.stderr)
return 2
assert node is not None
f.close()
# Columns for list-*
# path line name
# where name is the binary path, variable name, or library path.
# bin-deps and lib-deps can be used to make an app bundle.
# Maybe I should list them together? 'deps' can show 4 columns?
#
# path, line, type, name
#
# --pretty can show the LST location.
# stderr: show how we're following imports?
if action == 'translate':
osh2oil.PrintAsOil(arena, node)
elif action == 'arena': # for debugging
osh2oil.PrintArena(arena)
elif action == 'spans': # for debugging
osh2oil.PrintSpans(arena)
elif action == 'format':
# TODO: autoformat code
raise NotImplementedError(action)
elif action == 'deps':
deps.Deps(node)
elif action == 'undefined-vars': # could be environment variables
raise NotImplementedError
else:
raise AssertionError # Checked above
return 0
def OshCommandMain(argv):
"""Run an 'oshc' tool.
'osh' is short for "osh compiler" or "osh command".
TODO:
- oshc --help
oshc deps
--path: the $PATH to use to find executables. What about libraries?
NOTE: we're leaving out su -c, find, xargs, etc.? Those should generally
run functions using the $0 pattern.
--chained-command sudo
"""
try:
action = argv[0]
except IndexError:
raise args.UsageError('oshc: Missing required subcommand.')
if action not in SUBCOMMANDS:
raise args.UsageError('oshc: Invalid subcommand %r.' % action)
try:
script_name = argv[1]
except IndexError:
script_name = '<stdin>'
f = sys.stdin
else:
try:
f = open(script_name)
except IOError as e:
util.error("Couldn't open %r: %s", script_name,
os.strerror(e.errno))
return 2
pool = alloc.Pool()
arena = pool.NewArena()
arena.PushSource(script_name)
line_reader = reader.FileLineReader(f, arena)
_, c_parser = parse_lib.MakeParser(line_reader, arena)
try:
node = c_parser.ParseWholeFile()
except util.ParseError as e:
ui.PrettyPrintError(e, arena, sys.stderr)
print('parse error: %s' % e.UserErrorString(), file=sys.stderr)
return 2
else:
# TODO: Remove this older form of error handling.
if not node:
err = c_parser.Error()
assert err, err # can't be empty
ui.PrintErrorStack(err, arena, sys.stderr)
return 2 # parse error is code 2
f.close()
# Columns for list-*
# path line name
# where name is the binary path, variable name, or library path.
# bin-deps and lib-deps can be used to make an app bundle.
# Maybe I should list them together? 'deps' can show 4 columns?
#
# path, line, type, name
#
# --pretty can show the LST location.
# stderr: show how we're following imports?
if action == 'translate':
# TODO: FIx this invocation up.
#debug_spans = opt.debug_spans
debug_spans = False
osh2oil.PrintAsOil(arena, node, debug_spans)
elif action == 'format':
# TODO: autoformat code
raise NotImplementedError(action)
elif action == 'deps':
deps.Deps(node)
elif action == 'undefined-vars': # could be environment variables
pass
else:
raise AssertionError # Checked above
return 0
def OshCommandMain(argv):
"""Run an 'oshc' tool.
'osh' is short for "osh compiler" or "osh command".
TODO:
- oshc --help
oshc deps
--path: the $PATH to use to find executables. What about libraries?
NOTE: we're leaving out su -c, find, xargs, etc.? Those should generally
run functions using the $0 pattern.
--chained-command sudo
"""
try:
action = argv[0]
except IndexError:
raise error.Usage('Missing required subcommand.')
if action not in SUBCOMMANDS:
raise error.Usage('Invalid subcommand %r.' % action)
if action == 'parse-glob':
# Pretty-print the AST produced by osh/glob_.py
print('TODO:parse-glob')
return 0
if action == 'parse-printf':
# Pretty-print the AST produced by osh/builtin_printf.py
print('TODO:parse-printf')
return 0
arena = alloc.Arena()
try:
script_name = argv[1]
arena.PushSource(source.MainFile(script_name))
except IndexError:
arena.PushSource(source.Stdin())
f = sys.stdin
else:
try:
f = open(script_name)
except IOError as e:
stderr_line("oshc: Couldn't open %r: %s", script_name,
posix.strerror(e.errno))
return 2
aliases = {} # Dummy value; not respecting aliases!
loader = pyutil.GetResourceLoader()
oil_grammar = pyutil.LoadOilGrammar(loader)
opt0_array = state.InitOpts()
no_stack = None # type: List[bool] # for mycpp
opt_stacks = [no_stack] * option_i.ARRAY_SIZE # type: List[List[bool]]
parse_opts = optview.Parse(opt0_array, opt_stacks)
# parse `` and a[x+1]=bar differently
parse_ctx = parse_lib.ParseContext(arena, parse_opts, aliases, oil_grammar)
parse_ctx.Init_OnePassParse(True)
line_reader = reader.FileLineReader(f, arena)
c_parser = parse_ctx.MakeOshParser(line_reader)
try:
node = main_loop.ParseWholeFile(c_parser)
except error.Parse as e:
ui.PrettyPrintError(e, arena)
return 2
assert node is not None
f.close()
# Columns for list-*
# path line name
# where name is the binary path, variable name, or library path.
# bin-deps and lib-deps can be used to make an app bundle.
# Maybe I should list them together? 'deps' can show 4 columns?
#
# path, line, type, name
#
# --pretty can show the LST location.
# stderr: show how we're following imports?
if action == 'translate':
osh2oil.PrintAsOil(arena, node)
elif action == 'arena': # for debugging
osh2oil.PrintArena(arena)
elif action == 'spans': # for debugging
osh2oil.PrintSpans(arena)
elif action == 'format':
# TODO: autoformat code
raise NotImplementedError(action)
elif action == 'deps':
deps.Deps(node)
elif action == 'undefined-vars': # could be environment variables
raise NotImplementedError()
else:
raise AssertionError # Checked above
return 0
