1 //===-- CommandObjectPlugin.cpp ----------------------------------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "CommandObjectPlugin.h"
11
12 #include "lldb/Host/Host.h"
13
14 #include "lldb/Interpreter/CommandInterpreter.h"
15 #include "lldb/Interpreter/CommandReturnObject.h"
16
17 using namespace lldb;
18 using namespace lldb_private;
19
20 class CommandObjectPluginLoad : public CommandObjectParsed
21 {
22 private:
23 public:
CommandObjectPluginLoad(CommandInterpreter & interpreter)24 CommandObjectPluginLoad (CommandInterpreter &interpreter) :
25 CommandObjectParsed (interpreter,
26 "plugin load",
27 "Import a dylib that implements an LLDB plugin.",
28 NULL)
29 {
30 CommandArgumentEntry arg1;
31 CommandArgumentData cmd_arg;
32
33 // Define the first (and only) variant of this arg.
34 cmd_arg.arg_type = eArgTypeFilename;
35 cmd_arg.arg_repetition = eArgRepeatPlain;
36
37 // There is only one variant this argument could be; put it into the argument entry.
38 arg1.push_back (cmd_arg);
39
40 // Push the data for the first argument into the m_arguments vector.
41 m_arguments.push_back (arg1);
42 }
43
~CommandObjectPluginLoad()44 ~CommandObjectPluginLoad ()
45 {
46 }
47
48 int
HandleArgumentCompletion(Args & input,int & cursor_index,int & cursor_char_position,OptionElementVector & opt_element_vector,int match_start_point,int max_return_elements,bool & word_complete,StringList & matches)49 HandleArgumentCompletion (Args &input,
50 int &cursor_index,
51 int &cursor_char_position,
52 OptionElementVector &opt_element_vector,
53 int match_start_point,
54 int max_return_elements,
55 bool &word_complete,
56 StringList &matches)
57 {
58 std::string completion_str (input.GetArgumentAtIndex(cursor_index));
59 completion_str.erase (cursor_char_position);
60
61 CommandCompletions::InvokeCommonCompletionCallbacks (m_interpreter,
62 CommandCompletions::eDiskFileCompletion,
63 completion_str.c_str(),
64 match_start_point,
65 max_return_elements,
66 NULL,
67 word_complete,
68 matches);
69 return matches.GetSize();
70 }
71
72 protected:
73 bool
DoExecute(Args & command,CommandReturnObject & result)74 DoExecute (Args& command, CommandReturnObject &result)
75 {
76 size_t argc = command.GetArgumentCount();
77
78 if (argc != 1)
79 {
80 result.AppendError ("'plugin load' requires one argument");
81 result.SetStatus (eReturnStatusFailed);
82 return false;
83 }
84
85 const char* path = command.GetArgumentAtIndex(0);
86
87 Error error;
88
89 FileSpec dylib_fspec(path,true);
90
91 if (m_interpreter.GetDebugger().LoadPlugin(dylib_fspec, error))
92 result.SetStatus(eReturnStatusSuccessFinishResult);
93 else
94 {
95 result.AppendError(error.AsCString());
96 result.SetStatus(eReturnStatusFailed);
97 }
98
99 return result.Succeeded();
100 }
101 };
102
CommandObjectPlugin(CommandInterpreter & interpreter)103 CommandObjectPlugin::CommandObjectPlugin (CommandInterpreter &interpreter) :
104 CommandObjectMultiword (interpreter,
105 "plugin",
106 "A set of commands for managing or customizing plugin commands.",
107 "plugin <subcommand> [<subcommand-options>]")
108 {
109 LoadSubCommand ("load", CommandObjectSP (new CommandObjectPluginLoad (interpreter)));
110 }
111
~CommandObjectPlugin()112 CommandObjectPlugin::~CommandObjectPlugin ()
113 {
114 }
115