debugger: handle results of manual break commands

Change-Id: I0ab8ad3ef3ddfe7c8d69fd163864875190698475
Reviewed-on: http://codereview.qt.nokia.com/744
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/debugger/breakhandler.cpp

@@ -990,6 +990,14 @@ void BreakHandler::notifyBreakpointNeedsReinsertion(BreakpointId id)
     it->state = BreakpointInsertRequested;
 }
 
+void BreakHandler::removeAlienBreakpoint(BreakpointId id)
+{
+    Iterator it = m_storage.find(id);
+    BREAK_ASSERT(it != m_storage.end(), return);
+    it->state = BreakpointDead;
+    cleanupBreakpoint(id);
+}
+
 void BreakHandler::removeBreakpoint(BreakpointId id)
 {
     Iterator it = m_storage.find(id);
@@ -1011,14 +1019,13 @@ void BreakHandler::removeBreakpoint(BreakpointId id)
     }
 }
 
+// Ok to be not thread-safe. The order does not matter and only the gui
+// produces authoritative ids.
+static int currentId = 0;
+
 void BreakHandler::appendBreakpoint(const BreakpointParameters &data)
 {
     QTC_ASSERT(data.type != UnknownType, return);
-
-    // Ok to be not thread-safe. The order does not matter and only the gui
-    // produces authoritative ids.
-    static quint64 currentId = 0;
-
     BreakpointId id(++currentId);
     BreakpointItem item;
     item.data = data;
@@ -1036,6 +1043,35 @@ void BreakHandler::appendBreakpoint(const BreakpointParameters &data)
     scheduleSynchronization();
 }
 
+void BreakHandler::handleAlienBreakpoint(const BreakpointResponse &response,
+    DebuggerEngine *engine)
+{
+    if (response.id.isMinor()) {
+        insertSubBreakpoint(response);
+    } else {
+        BreakpointParameters data = response;
+        data.type = BreakpointByFileAndLine;
+        data.functionName.clear();
+
+        BreakpointId id(++currentId);
+        BreakpointItem item;
+        item.data = data;
+        item.response = response;
+        item.state = BreakpointInserted;
+        item.engine = engine;
+
+        const int row = m_storage.size();
+        beginInsertRows(QModelIndex(), row, row);
+        m_storage.insert(id, item);
+        endInsertRows();
+
+        layoutChanged();
+
+        updateMarker(id);
+        scheduleSynchronization();
+    }
+}
+
 BreakpointId BreakHandler::at(int n) const
 {
     if (n < 0 || n >= m_storage.size())
@@ -1062,6 +1098,17 @@ void BreakHandler::insertSubBreakpoint(const BreakpointResponse &data)
     QTC_ASSERT(id.isMinor(), return);
     BreakpointId majorId = id.parent();
     Iterator it = m_storage.find(majorId);
+
+    if (it == m_storage.end()) {
+        qDebug() << "FAILED: " << id.toString() << majorId.toString();
+        for (ConstIterator it = m_storage.constBegin(), et = m_storage.constEnd();
+            it != et; ++it) {
+            qDebug() << "   ID: " << it->response.id.toString();
+            qDebug() << "   DATA: " << it->data.toString();
+            qDebug() << "   RESP: " << it->response.toString();
+        }
+    }
+
     QTC_ASSERT(it != m_storage.end(), return);
     int row = indexOf(majorId);
     QTC_ASSERT(row != -1, return);
@@ -1094,6 +1141,7 @@ void BreakHandler::saveSessionData()
 void BreakHandler::loadSessionData()
 {
     m_storage.clear();
+    reset();
     loadBreakpoints();
 }
 
@@ -1103,7 +1151,7 @@ void BreakHandler::removeSessionData()
     for ( ; it != et; ++it)
         it->destroyMarker();
     m_storage.clear();
-    layoutChanged();
+    reset();
 }
 
 void BreakHandler::breakByFunction(const QString &functionName)

src/plugins/debugger/breakhandler.h

@@ -70,7 +70,10 @@ public:
 
     // The only way to add a new breakpoint.
     void appendBreakpoint(const BreakpointParameters &data);
+    void handleAlienBreakpoint(const BreakpointResponse &response,
+        DebuggerEngine *engine);
     void insertSubBreakpoint(const BreakpointResponse &data);
+    void removeAlienBreakpoint(BreakpointId id);
 
     BreakpointIds allBreakpointIds() const;
     BreakpointIds engineBreakpointIds(DebuggerEngine *engine) const;

src/plugins/debugger/breakpoint.cpp

@@ -164,6 +164,15 @@ bool BreakpointParameters::conditionsMatch(const QByteArray &other) const
     return s1 == s2;
 }
 
+void BreakpointParameters::setLocation(const QByteArray &location)
+{
+    if (location.size()) {
+        int pos = location.indexOf(':');
+        lineNumber = location.mid(pos + 1).toInt();
+        fileName = QString::fromUtf8(location.left(pos));
+    }
+}
+
 QString BreakpointParameters::toString() const
 {
     QString result;

src/plugins/debugger/breakpoint.h

@@ -164,6 +164,7 @@ public:
     bool isBreakpoint() const { return !isWatchpoint() && !isTracepoint(); }
     bool isTracepoint() const { return tracepoint; }
     QString toString() const;
+    void setLocation(const QByteArray &location); // file.cpp:42
 
     bool operator==(const BreakpointParameters &p) const { return equals(p); }
     bool operator!=(const BreakpointParameters &p) const { return !equals(p); }

src/plugins/debugger/gdb/gdbengine.cpp

@@ -518,6 +518,26 @@ void GdbEngine::handleResponse(const QByteArray &buff)
                     attemptAdjustBreakpointLocation(id);
                 }
                 m_hasBreakpointNotifications = true;
+            } else if (asyncClass == "breakpoint-created") {
+                // "{bkpt={number="1",type="breakpoint",disp="del",enabled="y",
+                //  addr="<PENDING>",pending="main",times="0",
+                //original-location="main"}}"
+                foreach (const GdbMi &bkpt, result.children()) {
+                    QByteArray nr = bkpt.findChild("number").data();
+                    BreakpointResponse br;
+                    updateResponse(br, bkpt);
+                    br.id = BreakpointId(nr);
+                    qDebug() << "NR: " << nr << " ID: " << br.id.toString();
+                    breakHandler()->handleAlienBreakpoint(br, this);
+                }
+            } else if (asyncClass == "breakpoint-deleted") {
+                // "breakpoint-deleted" "{id="1"}"
+                // New in FSF gdb since 2011-04-27.
+                BreakHandler *handler = breakHandler();
+                QByteArray nr = result.findChild("id").data();
+                BreakpointId id = handler->findBreakpointByNumber(nr.toInt());
+                if (id.isValid())
+                    handler->removeAlienBreakpoint(id);
             } else {
                 qDebug() << "IGNORED ASYNC OUTPUT"
                     << asyncClass << result.toString();
@@ -838,7 +858,7 @@ void GdbEngine::flushQueuedCommands()
     while (!m_commandsToRunOnTemporaryBreak.isEmpty()) {
         GdbCommand cmd = m_commandsToRunOnTemporaryBreak.takeFirst();
         showMessage(_("RUNNING QUEUED COMMAND " + cmd.command + ' '
-            + cmd.callbackName));
+            + (cmd.callbackName ? cmd.callbackName : "<unnamed callback>")));
         flushCommand(cmd);
     }
 }
@@ -2286,6 +2306,8 @@ void GdbEngine::updateResponse(BreakpointResponse &response, const GdbMi &bkpt)
 {
     QTC_ASSERT(bkpt.isValid(), return);
 
+    QByteArray originalLocation;
+
     response.multiple = false;
     response.enabled = true;
     response.pending = false;
@@ -2341,6 +2363,8 @@ void GdbEngine::updateResponse(BreakpointResponse &response, const GdbMi &bkpt)
                 response.tracepoint = true;
             else if (!child.data().contains("reakpoint"))
                 response.type = WatchpointAtAddress;
+        } else if (child.hasName("original-location")) {
+            originalLocation = child.data();
         }
         // This field is not present.  Contents needs to be parsed from
         // the plain "ignore" response.
@@ -2361,6 +2385,9 @@ void GdbEngine::updateResponse(BreakpointResponse &response, const GdbMi &bkpt)
     }
     if (!name.isEmpty())
         response.fileName = name;
+
+    if (name.isEmpty())
+        response.setLocation(originalLocation);
 }
 
 QString GdbEngine::breakLocation(const QString &file) const
@@ -2797,11 +2824,7 @@ void GdbEngine::extractDataFromInfoBreak(const QString &output, BreakpointId id)
                         BreakpointResponse sub;
                         sub.address = address;
                         sub.functionName = QString::fromUtf8(function);
-                        if (location.size()) {
+                        sub.setLocation(location);
-                            int pos = location.indexOf(':');
-                            sub.lineNumber = location.mid(pos + 1).toInt();
-                            sub.fileName = QString::fromUtf8(location.left(pos));
-                        }
                         sub.id = subId;
                         sub.type = response.type;
                         sub.address = address;