1""" Adds the 'toggle-disassembly' command to switch you into a disassembly only mode """
2import lldb
3
4class DisassemblyMode:
5    def __init__(self, debugger, unused):
6        self.dbg = debugger
7        self.interp = debugger.GetCommandInterpreter()
8        self.store_state()
9        self.mode_off = True
10
11    def store_state(self):
12        self.dis_count = self.get_string_value("stop-disassembly-count")
13        self.dis_display = self.get_string_value("stop-disassembly-display")
14        self.before_count = self.get_string_value("stop-line-count-before")
15        self.after_count = self.get_string_value("stop-line-count-after")
16
17    def get_string_value(self, setting):
18        result = lldb.SBCommandReturnObject()
19        self.interp.HandleCommand("settings show " + setting, result)
20        value = result.GetOutput().split(" = ")[1].rstrip("\n")
21        return value
22
23    def set_value(self, setting, value):
24        result = lldb.SBCommandReturnObject()
25        self.interp.HandleCommand("settings set " + setting + " " + value, result)
26
27    def __call__(self, debugger, command, exe_ctx, result):
28        if self.mode_off:
29            self.mode_off = False
30            self.store_state()
31            self.set_value("stop-disassembly-display","always")
32            self.set_value("stop-disassembly-count", "8")
33            self.set_value("stop-line-count-before", "0")
34            self.set_value("stop-line-count-after", "0")
35            result.AppendMessage("Disassembly mode on.")
36        else:
37            self.mode_off = True
38            self.set_value("stop-disassembly-display",self.dis_display)
39            self.set_value("stop-disassembly-count", self.dis_count)
40            self.set_value("stop-line-count-before", self.before_count)
41            self.set_value("stop-line-count-after", self.after_count)
42            result.AppendMessage("Disassembly mode off.")
43
44    def get_short_help(self):
45        return "Toggles between a disassembly only mode and normal source mode\n"
46
47def __lldb_init_module(debugger, unused):
48    debugger.HandleCommand("command script add -c disassembly_mode.DisassemblyMode toggle-disassembly")
49