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"""
Test defining commands using the lldb command definitions
"""
import inspect
import sys
import lldb
from lldb.plugins.parsed_cmd import ParsedCommand
class ReportingCmd(ParsedCommand):
def __init__(self, debugger, unused):
super().__init__(debugger, unused)
def __call__(self, debugger, args_array, exe_ctx, result):
opt_def = self.get_options_definition()
if len(opt_def):
result.AppendMessage("Options:\n")
for long_option, elem in opt_def.items():
dest = elem["dest"]
result.AppendMessage(f"{long_option} (set: {elem['_value_set']}): {object.__getattribute__(self.ov_parser, dest)}\n")
else:
result.AppendMessage("No options\n")
num_args = args_array.GetSize()
if num_args > 0:
result.AppendMessage(f"{num_args} arguments:")
for idx in range(0,num_args):
result.AppendMessage(f"{idx}: {args_array.GetItemAtIndex(idx).GetStringValue(10000)}\n")
class NoArgsCommand(ReportingCmd):
program = "no-args"
def __init__(self, debugger, unused):
super().__init__(debugger, unused)
@classmethod
def register_lldb_command(cls, debugger, module_name):
ParsedCommand.do_register_cmd(cls, debugger, module_name)
def setup_command_definition(self):
self.ov_parser.add_option(
"b",
"bool-arg",
"a boolean arg, defaults to True",
value_type = lldb.eArgTypeBoolean,
groups = [1,2],
dest = "bool_arg",
default = True
)
self.ov_parser.add_option(
"s",
"shlib-name",
"A shared library name.",
value_type=lldb.eArgTypeShlibName,
groups = [1, [3,4]],
dest = "shlib_name",
default = None
)
self.ov_parser.add_option(
"d",
"disk-file-name",
"An on disk filename",
value_type = lldb.eArgTypeFilename,
dest = "disk_file_name",
default = None
)
self.ov_parser.add_option(
"l",
"line-num",
"A line number",
value_type = lldb.eArgTypeLineNum,
groups = 3,
dest = "line_num",
default = 0
)
self.ov_parser.add_option(
"e",
"enum-option",
"An enum, doesn't actually do anything",
enum_values = [["foo", "does foo things"],
["bar", "does bar things"],
["baz", "does baz things"]],
groups = 4,
dest = "enum_option",
default = "foo"
)
def get_short_help(self):
return "Example command for use in debugging"
def get_long_help(self):
return self.help_string
class OneArgCommandNoOptions(ReportingCmd):
program = "one-arg-no-opt"
def __init__(self, debugger, unused):
super().__init__(debugger, unused)
@classmethod
def register_lldb_command(cls, debugger, module_name):
ParsedCommand.do_register_cmd(cls, debugger, module_name)
def setup_command_definition(self):
self.ov_parser.add_argument_set([self.ov_parser.make_argument_element(lldb.eArgTypeSourceFile, "plain")])
def get_short_help(self):
return "Example command for use in debugging"
def get_long_help(self):
return self.help_string
class TwoArgGroupsCommand(ReportingCmd):
program = "two-args"
def __init__(self, debugger, unused):
super().__init__(debugger, unused)
@classmethod
def register_lldb_command(cls, debugger, module_name):
ParsedCommand.do_register_cmd(cls, debugger, module_name)
def setup_command_definition(self):
self.ov_parser.add_option(
"l",
"language",
"language defaults to None",
value_type = lldb.eArgTypeLanguage,
groups = [1,2],
dest = "language",
default = None
)
self.ov_parser.add_option(
"c",
"log-channel",
"log channel - defaults to lldb",
value_type=lldb.eArgTypeLogChannel,
groups = [1, 3],
dest = "log_channel",
default = "lldb"
)
self.ov_parser.add_option(
"p",
"process-name",
"A process name, defaults to None",
value_type = lldb.eArgTypeProcessName,
dest = "proc_name",
default = None
)
self.ov_parser.add_argument_set([self.ov_parser.make_argument_element(lldb.eArgTypeClassName, "plain", [1,2]),
self.ov_parser.make_argument_element(lldb.eArgTypeOffset, "optional", [1,2])])
self.ov_parser.add_argument_set([self.ov_parser.make_argument_element(lldb.eArgTypePythonClass, "plain", [3,4]),
self.ov_parser.make_argument_element(lldb.eArgTypePid, "optional", [3,4])])
def get_short_help(self):
return "Example command for use in debugging"
def get_long_help(self):
return self.help_string
def __lldb_init_module(debugger, dict):
# Register all classes that have a register_lldb_command method
for _name, cls in inspect.getmembers(sys.modules[__name__]):
if inspect.isclass(cls) and callable(
getattr(cls, "register_lldb_command", None)
):
cls.register_lldb_command(debugger, __name__)
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