def run(self, argv=None):
parsed_args = self.args_parser.parse_args(argv)
for trace in parsed_args.trace:
print("Trace {} is activated".format(trace))
Log.enable(trace)
Diagnostics.set_style(parsed_args.diagnostic_style)
if parsed_args.profile:
import cProfile
import pstats
pr = cProfile.Profile()
pr.enable()
# Set the verbosity
self.verbosity = parsed_args.verbosity
self.no_ada_api = parsed_args.no_ada_api
# If asked to, setup the exception hook as a last-chance handler to
# invoke a debugger in case of uncaught exception.
if parsed_args.debug:
# Try to use IPython's debugger if it is available, otherwise
# fallback to PDB.
try:
# noinspection PyPackageRequirements
from IPython.core import ultratb
except ImportError:
ultratb = None # To keep PyCharm happy...
def excepthook(type, value, tb):
traceback.print_exception(type, value, tb)
pdb.post_mortem(tb)
sys.excepthook = excepthook
else:
sys.excepthook = ultratb.FormattedTB(mode='Verbose',
color_scheme='Linux',
call_pdb=1)
del ultratb
self.dirs.set_build_dir(parsed_args.build_dir)
install_dir = getattr(parsed_args, 'install-dir', None)
if install_dir:
self.dirs.set_install_dir(install_dir)
if getattr(parsed_args, 'list_warnings', False):
WarningSet.print_list()
return
# noinspection PyBroadException
try:
parsed_args.func(parsed_args)
except DiagnosticError:
if parsed_args.debug:
raise
if parsed_args.verbosity.debug or parsed_args.full_error_traces:
traceback.print_exc()
print(col('Errors, exiting', Colors.FAIL), file=sys.stderr)
sys.exit(1)
except Exception as e:
if parsed_args.debug:
raise
ex_type, ex, tb = sys.exc_info()
# If we have a syntax error, we know for sure the last stack frame
# points to the code that must be fixed. Otherwise, point to the
# top-most stack frame that does not belong to Langkit.
if e.args and e.args[0] == 'invalid syntax':
loc = Location(e.filename, e.lineno)
else:
loc = extract_library_location(traceback.extract_tb(tb))
with Context("", loc, "recovery"):
check_source_language(False, str(e), do_raise=False)
# Keep Langkit bug "pretty" for users: display the Python stack
# trace only when requested.
if parsed_args.verbosity.debug or parsed_args.full_error_traces:
traceback.print_exc()
print(col('Internal error! Exiting', Colors.FAIL), file=sys.stderr)
sys.exit(1)
finally:
if parsed_args.profile:
pr.disable()
ps = pstats.Stats(pr)
ps.dump_stats('langkit.prof')
def run_no_exit(self, argv: Opt[List[str]] = None) -> int:
parsed_args, unknown_args = self.args_parser.parse_known_args(argv)
for trace in parsed_args.trace:
print("Trace {} is activated".format(trace))
Log.enable(trace)
Diagnostics.set_style(parsed_args.diagnostic_style)
if parsed_args.profile:
import cProfile
import pstats
pr = cProfile.Profile()
pr.enable()
# Set the verbosity
self.verbosity = parsed_args.verbosity
self.enable_build_warnings = getattr(parsed_args,
"enable_build_warnings", False)
# If there is no build_mode (ie. we're not running a command that
# requires it), we still need one to call gnatpp, so set it to a dummy
# build mode.
self.build_mode = getattr(parsed_args, "build_mode",
self.BUILD_MODES[0])
self.no_ada_api = parsed_args.no_ada_api
# If asked to, setup the exception hook as a last-chance handler to
# invoke a debugger in case of uncaught exception.
if parsed_args.debug:
# Try to use IPython's debugger if it is available, otherwise
# fallback to PDB.
try:
# noinspection PyPackageRequirements
from IPython.core import ultratb
except ImportError:
def excepthook(typ: Type[BaseException], value: BaseException,
tb: TracebackType) -> Any:
traceback.print_exception(typ, value, tb)
pdb.post_mortem(tb)
sys.excepthook = excepthook
else:
sys.excepthook = ultratb.FormattedTB(mode='Verbose',
color_scheme='Linux',
call_pdb=1)
self.dirs.set_build_dir(parsed_args.build_dir)
install_dir = getattr(parsed_args, 'install-dir', None)
if install_dir:
self.dirs.set_install_dir(install_dir)
if getattr(parsed_args, 'list_warnings', False):
WarningSet.print_list()
return 0
# noinspection PyBroadException
try:
parsed_args.func(parsed_args, unknown_args)
return 0
except DiagnosticError:
if parsed_args.debug:
raise
if parsed_args.verbosity.debug or parsed_args.full_error_traces:
traceback.print_exc()
print(col('Errors, exiting', Colors.FAIL))
return 1
except Exception as e:
if parsed_args.debug:
raise
ex_type, ex, tb = sys.exc_info()
# If we have a syntax error, we know for sure the last stack frame
# points to the code that must be fixed. Otherwise, point to the
# top-most stack frame that does not belong to Langkit.
if e.args and e.args[0] == 'invalid syntax':
assert isinstance(e, SyntaxError)
loc = Location(cast(str, e.filename), cast(int, e.lineno))
else:
loc = cast(Location,
extract_library_location(traceback.extract_tb(tb)))
with diagnostic_context(loc):
check_source_language(False, str(e), do_raise=False)
# Keep Langkit bug "pretty" for users: display the Python stack
# trace only when requested.
if parsed_args.verbosity.debug or parsed_args.full_error_traces:
traceback.print_exc()
print(col('Internal error! Exiting', Colors.FAIL))
return 1
finally:
if parsed_args.profile:
pr.disable()
ps = pstats.Stats(pr)
ps.dump_stats('langkit.prof')