Go over set subcommand options

Author: rocky

trepan/processor/command/set_subcmd/asmfmt.py

@@ -18,6 +18,7 @@
 from trepan.processor.command.base_subcmd import DebuggerSubcommand
 from trepan.lib.complete import complete_token
 
+choices = ["classic", "extended", "extended-bytes", "bytes"]
 
 class SetAsmFmt(DebuggerSubcommand):
     """**set asmfmt** {**classic** | **extended** | **bytes** | **extended-bytes**}
@@ -41,28 +42,32 @@ class SetAsmFmt(DebuggerSubcommand):
 `show asmfmt`"""
 
     in_list = True
+    max_args = 1
     min_abbrev = len("asmf")
+    min_args = 0
     short_help = "Set disassembly style"
 
-    choices = ("classic", "extended", "extended-bytes", "bytes")
-
     def complete(self, prefix):
-        return complete_token(SetAsmFmt.choices, prefix)
+        return complete_token(choices, prefix)
 
     def get_format_type(self, arg):
         if not arg:
             return "extended"
-        if arg in SetAsmFmt.choices:
+        if arg in choices:
             return arg
         else:
             self.errmsg(
                 'Expecting %s"; got %s'
-                % (", ".join(SetAsmFmt.choices), arg)
+                % (", ".join(choices), arg)
             )
             return None
         pass
 
     def run(self, args):
+        if len(args) == 0:
+            self.section("disasembly style types: ")
+            self.msg(self.columnize_commands(choices))
+            return
         format_type = self.get_format_type(args[0])
         if not format_type:
             return

trepan/processor/command/set_subcmd/events.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-#   Copyright (C) 2009, 2012-2013, 2015 Rocky Bernstein
+#   Copyright (C) 2009, 2012-2013, 2015, 2020 Rocky Bernstein
 #
 #   This program is free software: you can redistribute it and/or modify
 #   it under the terms of the GNU General Public License as published by
@@ -46,38 +46,40 @@ class SetEvents(Mbase_subcmd.DebuggerSubcommand):
 `set trace`, `show trace`, and `show events`. `help step` lists event names.
     """
 
-    in_list    = True
-    min_abbrev = len('ev')
+    in_list = True
+    min_args = 0
+    min_abbrev = len("ev")
     short_help = "Set execution-tracing event set"
 
     def run(self, args):
-        valid_args = tracer.ALL_EVENT_NAMES + ('all',)
+        valid_args = tracer.ALL_EVENT_NAMES + ("all",)
         eventset = []
         for arg in args:
             if arg not in valid_args:
-                self.errmsg('set events: Invalid argument %s ignored.' % arg)
+                self.errmsg("set events: Invalid argument %s ignored." % arg)
                 continue
             if arg in tracer.ALL_EVENTS:
                 eventset += [arg]
-            elif 'all' == arg:
+            elif "all" == arg:
                 eventset += tracer.ALL_EVENTS
             pass
         if [] != eventset:
-            self.debugger.settings['printset'] = frozenset(eventset)
+            self.debugger.settings["printset"] = frozenset(eventset)
             pass
         return
 
     pass
 
-if __name__ == '__main__':
+
+if __name__ == "__main__":
     from trepan.processor.command import mock, set as Mset
+
     d, cp = mock.dbg_setup()
     s = Mset.SetCommand(cp)
     sub = SetEvents(s)
-    sub.name = 'events'
-    for args in (['line'], ['bogus'],
-                ['call', 'return']):
+    sub.name = "events"
+    for args in (["line"], ["bogus"], ["call", "return"]):
         sub.run(args)
-        print(d.settings['printset'])
+        print(d.settings["printset"])
         pass
     pass

trepan/processor/command/set_subcmd/maxstring.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-#   Copyright (C) 2009-2010, 2013, 2015 Rocky Bernstein <rocky@gnu.org>
+#   Copyright (C) 2009-2010, 2013, 2015, 2020 Rocky Bernstein <rocky@gnu.org>
 #
 #   This program is free software: you can redistribute it and/or modify
 #   it under the terms of the GNU General Public License as published by
@@ -15,11 +15,11 @@
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 # Our local modules
-from trepan.processor.command import base_subcmd as Mbase_subcmd
+from trepan.processor.command.base_subcmd import DebuggerSubcommand
 from trepan.processor import cmdfns as Mcmdfns
 
 
-class SetMaxString(Mbase_subcmd.DebuggerSubcommand):
+class SetMaxString(DebuggerSubcommand):
     """**set maxstring** *number*
 
 Set the number of characters allowed in showing string values
@@ -29,15 +29,22 @@ class SetMaxString(Mbase_subcmd.DebuggerSubcommand):
 
 `show maxstring`
 """
-    in_list    = True
-    min_abbrev = len('str')  # Need at least "set max str"
+
+    in_list = True
+    max_args = 1
+    min_abbrev = len("str")  # Need at least "set max str"
+    min_args = 1
     short_help = "Set maximum characters in showing strings"
 
     def run(self, args):
-        Mcmdfns.run_set_int(self, ' '.join(args),
-                            "The '%s' command requires a character count"
-                            % self.name,
-                            0, None)
-        self.proc._repr.maxstring =  self.settings[self.name]
+        Mcmdfns.run_set_int(
+            self,
+            " ".join(args),
+            "The '%s' command requires a character count" % self.name,
+            0,
+            None,
+        )
+        self.proc._repr.maxstring = self.settings[self.name]
         return None
+
     pass

trepan/processor/command/set_subcmd/style.py

@@ -1,8 +1,9 @@
 # -*- coding: utf-8 -*-
-#   Copyright (C) 2015, 2017-2018 Rocky Bernstein
+#   Copyright (C) 2015, 2017-2018, 2020 Rocky Bernstein
 #
 
 from pygments.styles import STYLE_MAP
+
 style_names = sorted(list(STYLE_MAP.keys()))
 
 # Our local modules
@@ -36,19 +37,16 @@ class SetStyle(Mbase_subcmd.DebuggerSubcommand):
     def complete(self, prefix):
         return Mcomplete.complete_token(style_names, prefix)
 
-    in_list    = True
-    min_abbrev = len('sty')
-    short_help = 'Set the pygments style'
+    in_list = True
+    min_abbrev = len("sty")
+    short_help = "Set the pygments style"
 
     def run(self, args):
         if len(args) == 0:
             self.section("style names: ")
             self.msg(self.columnize_commands(style_names))
             return
-        elif len(args) > 1:
-            self.errmsg("Expecting zero one one arg")
-            return
-        if args[0] == 'none':
+        if args[0] == "none":
             self.debugger.settings[self.name] = None
             return
 
@@ -59,8 +57,10 @@ def run(self, args):
 
         self.debugger.settings[self.name] = args[0]
         return
+
     pass
 
+
 # if __name__ == '__main__':
 #     from trepan.processor.command.set_subcmd import __demo_helper__ as Mhelper
 #     sub = Mhelper.demo_run(SetWidth)