summaryrefslogtreecommitdiffstats
path: root/languages/cpp/debugger/breakpoint.h
blob: f06fc3d373724b97aea6d315deef9b8bba85220e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
/***************************************************************************
    begin                : Tue May 13 2003
    copyright            : (C) 2003 by John Birch
    email                : jbb@kdevelop.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  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef _BREAKPOINT_H_
#define _BREAKPOINT_H_

#include <klocale.h>

#include <qobject.h>
#include <qstring.h>
#include <qstringlist.h>

/***************************************************************************/
/***************************************************************************/
/***************************************************************************/

namespace GDBMI
{
    class ResultRecord;
}

namespace GDBDebugger
{

    class GDBController;

enum BP_TYPES
{
    BP_TYPE_Invalid,
    BP_TYPE_FilePos,
    BP_TYPE_Watchpoint,
    BP_TYPE_ReadWatchpoint
};

class Breakpoint : public QObject
{
    Q_OBJECT
public:
    Breakpoint(bool temporary=false, bool enabled=true);
    virtual ~Breakpoint();

    void sendToGdb(GDBController* c);

    // Called whenever this breakpoint is removed on gdb side.
    virtual void removedInGdb();

    virtual void applicationExited(GDBController*);



    virtual QString dbgSetCommand(GDBController *) const = 0;
    virtual QString dbgRemoveCommand() const;
    /** Returns true if 'breakpoint' is identical to *this.
        Checks for trival cases like pointer equality and
        differing typeid() and then calls virtual 
        match_data.
    */
    bool match(const Breakpoint* breakpoint) const;
    /** Returns true if essential data in 'breakpoint' is equivalent
        to *this. The caller should guarantee that dynamic type
        of *this and *breakpoint is the same.
    */
    virtual bool match_data(const Breakpoint* breakpoint) const = 0;

    virtual bool hasFileAndLine() const { return false; }


    virtual void reset();

    void setActive(int active, int id);
    bool isActive(int active) const                 { return (active_ == active) ||
                                                        (s_pending_ && !s_actionClear_); }

    void setEnabled(bool enabled)                   { s_enabled_ = enabled; }
    bool isEnabled() const                          { return s_enabled_; }

    void setTemporary(bool temporary)               { s_temporary_ = temporary; }
    bool isTemporary() const                        { return s_temporary_; }

    void setHardwareBP(bool hardwareBP)             { s_hardwareBP_ = hardwareBP; }
    bool isHardwareBP() const                       { return s_hardwareBP_; }

    void setIgnoreCount(int ignoreCount)            { ignoreCount_ = ignoreCount; }
    int ignoreCount() const                         { return ignoreCount_; }

    void setAddress(const QString &address)         { address_ = address; }
    QString address() const                         { return address_; }

    void setConditional(const QString &condition)   { condition_ = condition; }
    QString conditional() const                     { return condition_; }

    void setPending(bool pending)                   { s_pending_ = pending; }
    bool isPending() const                          { return s_pending_; }

    void setActionAdd(bool actionAdd)               { s_actionDie_ = false;
                                                      s_actionAdd_ = actionAdd; }
    bool isActionAdd() const                        { return s_actionAdd_; }

    void setActionClear(bool actionClear)           { s_actionClear_ = actionClear; }
    bool isActionClear() const                      { return s_actionClear_; }

    void setActionModify(bool actionModify)         { s_actionDie_ = false;
                                                      s_actionModify_ = actionModify; }
    bool isActionModify() const                     { return s_actionModify_; }

    void setDbgProcessing(bool dbgProcessing)       { s_dbgProcessing_ = dbgProcessing; }
    bool isDbgProcessing() const                    { return s_dbgProcessing_; }
    void setActionDie()                             { s_actionDie_ = true;
                                                      s_actionClear_ = false; }
    bool isActionDie() const                        { return s_actionDie_; }

    int key() const                                 { return key_; }
    void setDbgId(int dbgId)                        { dbgId_ = dbgId; }
    int  dbgId() const                              { return dbgId_; }
    void setHits(int hits)                          { hits_ = hits; }
    int  hits() const                               { return hits_; }

    virtual QString statusDisplay(int activeFlag) const;
    virtual BP_TYPES type() const                   { return BP_TYPE_Invalid; }
    virtual QString displayType() const             { return i18n( "Invalid" ); }


    bool tracingEnabled() const                     { return s_tracingEnabled_; }
    void setTracingEnabled(bool enable)             { s_tracingEnabled_ = enable; }

    const QStringList& tracedExpressions() const    { return tracedExpressions_; }
    void setTracedExpressions(const QStringList& l) { tracedExpressions_ = l; }

    bool traceFormatStringEnabled() const           { return s_traceFormatStringEnabled_; }
    void setTraceFormatStringEnabled(bool en)       { s_traceFormatStringEnabled_ = en; }

    const QString& traceFormatString() const        { return traceFormatString_; }
    void setTraceFormatString(const QString& s)     { traceFormatString_ = s; }

    QString traceRealFormatString() const;  

    virtual QString location(bool compact=true) const = 0;
    virtual void setLocation(const QString& )       = 0;
    virtual bool isValid() const                    = 0;

signals:
    /** Emitted whenever this breakpoint is modified from gdb side,
        say when it's first created, or when gdb reports that any
        property has changes.
    */
    void modified(Breakpoint*);

private:
    void handleDeleted(const GDBMI::ResultRecord&);
    virtual void setBreakpoint(GDBController* controller);
    void modifyBreakpoint(GDBController* controller);

protected:
    GDBController* controller() const { return controller_; }
    virtual void handleSet(const GDBMI::ResultRecord&);
    void clearBreakpoint(GDBController* c);

private:
    bool s_pending_             :1;
    bool s_actionAdd_           :1;
    bool s_actionClear_         :1;
    bool s_actionModify_        :1;
    bool s_actionDie_           :1;
    bool s_dbgProcessing_       :1;
    bool s_enabled_             :1;
    bool s_temporary_           :1;
    bool s_hardwareBP_          :1;     // assigned by gdb
    bool s_tracingEnabled_      :1;
    bool s_traceFormatStringEnabled_ :1;

    int dbgId_;                         // assigned by gdb
    int hits_;                          // assigned by gdb

    int key_;                           // internal unique key
    int active_;                        // counter incremented on receipt of all BP's

    int ignoreCount_;
    QString address_;
    QString condition_;
    QStringList tracedExpressions_;
    QString traceFormatString_;

    GDBController* controller_;
};

/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
class FilePosBreakpoint : public Breakpoint
{
public:
    FilePosBreakpoint();

    FilePosBreakpoint(const QString &fileName, int lineNum,
                      bool temporary=false, bool enabled=true);
    virtual ~FilePosBreakpoint();
    virtual QString dbgSetCommand(GDBController *) const;
    virtual bool match_data(const Breakpoint *brkpt) const;

    BP_TYPES type () const                      { return BP_TYPE_FilePos; }
    QString displayType() const;
    QString location(bool compact=true) const;
    void setLocation(const QString& location);
    bool isValid() const;

    bool hasFileAndLine() const;
    QString fileName() const;
    unsigned lineNum() const;

protected:
    void handleSet(const GDBMI::ResultRecord&);


private:

    enum subtype { filepos = 1, function, address };
    subtype subtype_;

    QString location_;
    QString fileName_;
    int line_;
};
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
//class RegExpBreakpoint : public Breakpoint
//{
//public:
//  RegExpBreakpoint(bool temporary=false, bool enabled=true);
//  virtual ~RegExpBreakpoint();
//  virtual QString dbgSetCommand() const;
//};
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
//class CatchBreakpoint : public Breakpoint
//{
//public:
//  CatchBreakpoint(bool temporary=false, bool enabled=true);
//  virtual ~CatchBreakpoint();
//  virtual QString dbgSetCommand() const;
//  virtual CatchBreakpoint& operator=(const CatchBreakpoint& rhs);
//};
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
//class ExitBreakpoint : public Breakpoint
//{
//public:
//  ExitBreakpoint(bool temporary=false, bool enabled=true);
//  virtual ~ExitBreakpoint();
//  virtual QString dbgSetCommand() const;
//  bool match(const Breakpoint* brkpt) const;
//  virtual void configureDisplay();
//};
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
class Watchpoint : public Breakpoint
{
public:
    Watchpoint(const QString &varName, bool temporary=false, bool enabled=true);
    virtual ~Watchpoint();
    virtual QString dbgSetCommand(GDBController *) const;

    void applicationExited(GDBController*);
    void removedInGdb();
 
    bool match_data(const Breakpoint *brkpt) const;

    BP_TYPES type () const                      { return BP_TYPE_Watchpoint; }
    QString displayType() const                 { return i18n("Watchpoint"); }
    void setVarName(const QString& varName)     { varName_ = varName; }
    QString varName() const                     { return varName_; }
    unsigned long long address() const          { return address_; }
    QString location(bool) const                { return varName_; }
    void setLocation(const QString& location)   { varName_ = location; }
    bool isValid() const                        { return !varName_.isEmpty(); }

private:
    void setBreakpoint(GDBController* controller);
    void handleAddressComputed(const GDBMI::ResultRecord&);

    QString varName_;
    unsigned long long address_;
};

class ReadWatchpoint : public Watchpoint
{
public:
    ReadWatchpoint(const QString &varName, bool temporary=false, bool enabled=true);
    virtual QString dbgSetCommand(GDBController *) const;
    bool match_data(const Breakpoint *brkpt) const;

    BP_TYPES type () const                      { return BP_TYPE_ReadWatchpoint; }
    QString displayType() const                 { return i18n("Read Watchpoint"); }
};

}

#endif