Add set/show autodisasm

Author: rocky

trepan/lib/default.py

@@ -58,6 +58,9 @@
     # Format style to use in showing disassembly
     "disasmflavor": "extended",
 
+    # Run 'disassemble' command every time we enter the debugger?
+    "autodisasm": False,
+
     # Eval as Python the unrecognized debugger commands?
     "autoeval": True,
 

trepan/processor/command/set_subcmd/autodisasm.py

@@ -0,0 +1,66 @@
+# -*- coding: utf-8 -*-
+#   Copyright (C) 2026 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
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Our local modules
+from trepan.processor.command.base_subcmd import DebuggerSetBoolSubcommand
+from trepan.processor.cmdfns import run_set_bool, run_show_bool
+
+
+class SetAutoDisasm(DebuggerSetBoolSubcommand):
+    """**set autodisasm** [ **on** | **off** ]
+
+    Run the `disasm` command every time we enter the debugger.
+
+    See also:
+    ---------
+
+    `show autodisasm`"""
+
+    in_list = True
+    min_abbrev = len("autod")
+
+    list_cmd = None
+
+    def run(self, args):
+        run_set_bool(self, args)
+        if self.settings["autodisasm"]:
+            if self.list_cmd is None:
+                self.list_cmd = self.proc.commands["disassemble"].run
+                pass
+            self.proc.add_preloop_hook(self.run_list, 0)
+
+        else:
+            self.proc.remove_preloop_hook(self.run_list)
+            pass
+        run_show_bool(self, "Show `disasm` on debugger entry")
+        return
+
+    def run_list(self, args):
+        # Check if there is a "file" to show. Right now we just
+        # handle the case of a string.
+        # FIXME: generalize this so for other kinds of missing "files"
+        # are not shown.
+        self.list_cmd(["disasm"])
+        return
+
+    pass
+
+
+if __name__ == "__main__":
+    from trepan.processor.command.show_subcmd.__demo_helper__ import demo_run
+
+    demo_run(SetAutoDisasm)
+    pass

trepan/processor/command/show_subcmd/autodisasm.py

@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+#  Copyright (C) 2026 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
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Our local modules
+from trepan.processor.command.base_subcmd import DebuggerShowBoolSubcommand
+
+
+class ShowAutoDisasm(DebuggerShowBoolSubcommand):
+    """**show autodisasm**
+
+    Show debugger `list` command automatically on entry.
+
+    See also:
+    ---------
+
+    `set autolist`"""
+
+    min_abbrev = len("autod")
+    short_help = "Show `disassemble` on debugger entry"
+    pass
+
+
+if __name__ == "__main__":
+    from trepan.processor.command.show_subcmd.__demo_helper__ import demo_run
+
+    demo_run(ShowAutoDisasm)
+    pass