Driver.h revision 258054 
1//===-- Driver.h ------------------------------------------------*- 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#ifndef lldb_Driver_h_
11#define lldb_Driver_h_
12
13#include "Platform.h"
14#include "lldb/Utility/PseudoTerminal.h"
15
16#include <set>
17#include <bitset>
18#include <string>
19#include <vector>
20
21#include "lldb/API/SBDefines.h"
22#include "lldb/API/SBBroadcaster.h"
23#include "lldb/API/SBDebugger.h"
24#include "lldb/API/SBError.h"
25#include "lldb/API/SBInputReader.h"
26
27#define ASYNC true
28#define NO_ASYNC false
29
30class IOChannel;
31
32namespace lldb
33{
34    class SBInputReader;
35}
36
37
38class Driver : public lldb::SBBroadcaster
39{
40public:
41    enum {
42        eBroadcastBitReadyForInput    = (1 << 0),
43        eBroadcastBitThreadShouldExit = (1 << 1)
44    };
45
46    Driver ();
47
48    virtual
49    ~Driver ();
50
51    void
52    MainLoop ();
53
54    void
55    PutSTDIN (const char *src, size_t src_len);
56
57    void
58    GetFromMaster (const char *src, size_t src_len);
59
60    bool
61    HandleIOEvent (const lldb::SBEvent &event);
62
63    void
64    HandleProcessEvent (const lldb::SBEvent &event);
65
66    void
67    HandleBreakpointEvent (const lldb::SBEvent &event);
68
69    void
70    HandleThreadEvent (const lldb::SBEvent &event);
71
72    lldb::SBError
73    ParseArgs (int argc, const char *argv[], FILE *out_fh, bool &do_exit);
74
75    const char *
76    GetFilename() const;
77
78    const char *
79    GetCrashLogFilename() const;
80
81    const char *
82    GetArchName() const;
83
84    lldb::ScriptLanguage
85    GetScriptLanguage() const;
86
87    void
88    ExecuteInitialCommands (bool before_file);
89
90    bool
91    GetDebugMode() const;
92
93
94    class OptionData
95    {
96    public:
97        OptionData ();
98       ~OptionData ();
99
100        void
101        Clear();
102
103        void
104        AddInitialCommand (const char *command, bool before_file, bool is_file, lldb::SBError &error);
105
106        //static OptionDefinition m_cmd_option_table[];
107
108        std::vector<std::string> m_args;
109        lldb::ScriptLanguage m_script_lang;
110        std::string m_core_file;
111        std::string m_crash_log;
112        std::vector<std::pair<bool,std::string> > m_initial_commands;
113        std::vector<std::pair<bool,std::string> > m_after_file_commands;
114        bool m_debug_mode;
115        bool m_source_quietly;
116        bool m_print_version;
117        bool m_print_python_path;
118        bool m_print_help;
119        bool m_wait_for;
120        std::string m_process_name;
121        lldb::pid_t m_process_pid;
122        bool m_use_external_editor;  // FIXME: When we have set/show variables we can remove this from here.
123        typedef std::set<char> OptionSet;
124        OptionSet m_seen_options;
125    };
126
127
128    static lldb::SBError
129    SetOptionValue (int option_idx,
130                    const char *option_arg,
131                    Driver::OptionData &data);
132
133
134    lldb::SBDebugger &
135    GetDebugger()
136    {
137        return m_debugger;
138    }
139
140    bool
141    EditlineReaderIsTop ()
142    {
143        return m_debugger.InputReaderIsTopReader (m_editline_reader);
144    }
145
146    bool
147    GetIsDone () const
148    {
149        return m_done;
150    }
151
152    void
153    SetIsDone ()
154    {
155        m_done = true;
156    }
157
158    void
159    ResizeWindow (unsigned short col);
160
161private:
162    lldb::SBDebugger m_debugger;
163    lldb_utility::PseudoTerminal m_editline_pty;
164    FILE *m_editline_slave_fh;
165    lldb::SBInputReader m_editline_reader;
166    std::unique_ptr<IOChannel> m_io_channel_ap;
167    OptionData m_option_data;
168    bool m_executing_user_command;
169    bool m_waiting_for_command;
170    bool m_done;
171
172    void
173    ResetOptionValues ();
174
175    size_t
176    GetProcessSTDOUT ();
177
178    size_t
179    GetProcessSTDERR ();
180
181    void
182    UpdateSelectedThread ();
183
184    void
185    CloseIOChannelFile ();
186
187    static size_t
188    EditLineInputReaderCallback (void *baton,
189                                 lldb::SBInputReader *reader,
190                                 lldb::InputReaderAction notification,
191                                 const char *bytes,
192                                 size_t bytes_len);
193
194    static void
195    ReadThreadBytesReceived (void *baton, const void *src, size_t src_len);
196
197    static void
198    MasterThreadBytesReceived (void *baton, const void *src, size_t src_len);
199
200    void
201    ReadyForCommand ();
202};
203
204#endif // lldb_Driver_h_
205