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# SPDX-License-Identifier: MIT
import atexit, serial, os, struct, code, traceback, readline, rlcompleter, sys
import __main__
import builtins
import re
from .proxy import *
from .proxyutils import *
from .utils import *
from . import sysreg
from inspect import isfunction, signature
__all__ = ["ExitConsole", "run_shell"]
class HistoryConsole(code.InteractiveConsole):
def __init__(self, locals=None, filename="<console>",
histfile=os.path.expanduser("~/.m1n1-history")):
code.InteractiveConsole.__init__(self, locals, filename)
self.histfile = histfile
self.init_history(histfile)
self.poll_func = None
def init_history(self, histfile):
readline.parse_and_bind("tab: complete")
if hasattr(readline, "read_history_file"):
try:
readline.read_history_file(histfile)
except FileNotFoundError:
pass
def save_history(self):
readline.set_history_length(10000)
readline.write_history_file(self.histfile)
def showtraceback(self):
type, value, tb = sys.exc_info()
traceback.print_exception(type, value, tb)
def runcode(self, code):
super().runcode(code)
if self.poll_func:
self.poll_func()
if "mon" in self.locals:
try:
self.locals["mon"].poll()
except Exception as e:
print(f"mon.poll() failed: {e!r}")
if "u" in self.locals:
self.locals["u"].push_simd()
class ExitConsole(SystemExit):
pass
cmd_list = {}
subcmd_list = {}
# Debug levels
DBL_NONE = 0
DBL_INFO = 1
DBL_TRACE = 2
DBL_DEBUG = 3
DBL_EDEBUG = 4
db_level = DBL_NONE
def debug_cmd(db=None):
'''Set debug level to integer %d(none)...%d(extreme debug)''' % (DBL_NONE, DBL_EDEBUG)
global db_level
if db:
db_level = db
print("debug level=%d" % db_level)
def help_cmd(arg=None):
if db_level >= DBL_DEBUG:
print("arg=%s" % repr(arg))
if arg:
#cmd = arg.__qualname__
if callable(arg):
cmd = arg.__name__
elif isinstance(arg, str):
cmd = arg
else:
print("Unknown command: %s" % repr(arg))
return
if db_level >= DBL_DEBUG:
print("cmd=%s" % repr(cmd))
if cmd not in cmd_list:
print("Undocumented command %s" % cmd)
return
hinfo = cmd_list[cmd]
if isinstance(hinfo, str):
print("%-10s : %s" % (cmd, hinfo))
return
if cmd in subcmd_list:
clist = subcmd_list[cmd]
aname = cmd
if db_level >= DBL_DEBUG:
print("subcmd_list[%s] = %s" %
(repr(cmd), repr(clist)))
else:
print("command %s is not documented" % cmd)
return
else:
clist = cmd_list
aname = 'top level'
print("Note: To display a category's commands quote the name e.g. help('HV')")
print("List of %s commands:" % aname)
for cmd in clist.keys():
hinfo = clist[cmd]
if isinstance(hinfo, str):
msg = hinfo.strip().split('\n', 1)[0]
elif isinstance(hinfo, int):
msg = "%s category - %d subcommands" % (cmd, hinfo)
else:
print("%s ?" % cmd)
continue
if len(cmd) <= 10:
print("%-10s : %s" % (cmd, msg))
else:
print("%s:\n %s" % (cmd, msg))
#locals is a dictionary for constructing the
# InteractiveConsole with. It adds in the callables
# in proxy utils iface and sysreg into locals
def run_shell(locals, msg=None, exitmsg=None, poll_func=None):
saved_display = sys.displayhook
try:
def display(val):
if isinstance(val, int) and not isinstance(val, bool):
builtins._ = val
print(hex(val))
elif callable(val):
val()
else:
saved_display(val)
sys.displayhook = display
# convenience
locals["h"] = hex
locals["sysreg"] = sysreg
if "proxy" in locals and "p" not in locals:
locals["p"] = locals["proxy"]
if "utils" in locals and "u" not in locals:
locals["u"] = locals["utils"]
for obj_name in ("iface", "p", "u"):
obj = locals.get(obj_name)
obj_class = type(obj)
if obj is None:
continue
for attr in dir(obj_class):
if attr in locals or attr.startswith('_'):
continue
member = getattr(obj_class, attr)
if callable(member) and not isinstance(member, property):
cmd = getattr(obj, attr)
locals[attr] = cmd
for attr in dir(sysreg):
locals[attr] = getattr(sysreg, attr)
locals['help'] = help_cmd
locals['debug'] = debug_cmd
for obj_name in locals.keys():
obj = locals.get(obj_name)
if obj is None or obj_name.startswith('_'):
continue
if callable(obj) and not isinstance(obj, property):
try:
desc = obj_name + str(signature(obj))
except:
continue
qn = obj.__qualname__
if qn.find('.') > 0:
a = qn.split('.')
if a[0] not in subcmd_list:
subcmd_list[a[0]] = {}
if a[0] not in cmd_list:
cmd_list[a[0]] = 1
else:
cmd_list[a[0]] += 1
clist = subcmd_list[a[0]]
else:
clist = None
if locals[obj_name].__doc__:
desc += " - " + locals[obj_name].__doc__
cmd_list[obj_name] = desc
if isinstance(clist, dict):
clist[obj_name] = desc
con = HistoryConsole(locals)
con.poll_func = poll_func
try:
con.interact(msg, exitmsg)
except ExitConsole as e:
if len(e.args):
return e.args[0]
else:
return
finally:
con.save_history()
finally:
sys.displayhook = saved_display
if __name__ == "__main__":
from .setup import *
locals = dict(__main__.__dict__)
run_shell(locals, msg="Have fun!")
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