Debugger: Move breakpoint markers with LLDB

Task-number: QTCREATORBUG-11564
Change-Id: I98044c641ad68431176d8ef54e8e1ec1bef296bc
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>

share/qtcreator/debugger/lldbbridge.py

@@ -316,6 +316,7 @@ class Dumper(DumperBase):
         self.isInterrupting_ = False
         self.dummyValue = None
         self.types_ = {}
+        self.breakpointsToCheck = set([])
 
     def enterSubItem(self, item):
         if isinstance(item.name, lldb.SBValue):
@@ -804,6 +805,14 @@ class Dumper(DumperBase):
         result += '],current-thread-id="%s"},' % self.currentThread().id
         self.report(result)
 
+    def reportChangedBreakpoints(self):
+        for i in xrange(0, self.target.GetNumBreakpoints()):
+            bp = self.target.GetBreakpointAtIndex(i)
+            if bp.GetID() in self.breakpointsToCheck:
+                if bp.GetNumLocations():
+                    self.breakpointsToCheck.remove(bp.GetID())
+                    self.report('breakpoint-changed={%s}' % self.describeBreakpoint(bp))
+
     def firstUsableFrame(self, thread):
         for i in xrange(10):
             frame = thread.GetFrameAtIndex(i)
@@ -1283,6 +1292,7 @@ class Dumper(DumperBase):
                 self.reportLocation()
                 self.reportVariables()
                 self.reportRegisters()
+                self.reportChangedBreakpoints()
         elif type == lldb.SBProcess.eBroadcastBitInterrupt:
             pass
         elif type == lldb.SBProcess.eBroadcastBitSTDOUT:
@@ -1297,13 +1307,12 @@ class Dumper(DumperBase):
         elif type == lldb.SBProcess.eBroadcastBitProfileData:
             pass
 
-    def describeBreakpoint(self, bp, modelId):
+    def describeBreakpoint(self, bp):
         isWatch = isinstance(bp, lldb.SBWatchpoint)
         if isWatch:
             result  = 'lldbid="%s"' % (qqWatchpointOffset + bp.GetID())
         else:
             result  = 'lldbid="%s"' % bp.GetID()
-        result += ',modelid="%s"' % modelId
         if not bp.IsValid():
             return
         result += ',hitcount="%s"' % bp.GetHitCount()
@@ -1318,18 +1327,25 @@ class Dumper(DumperBase):
         result += ',valid="%s"' % (1 if bp.IsValid() else 0)
         result += ',ignorecount="%s"' % bp.GetIgnoreCount()
         result += ',locations=['
+        lineEntry = None
         if hasattr(bp, 'GetNumLocations'):
             for i in xrange(bp.GetNumLocations()):
                 loc = bp.GetLocationAtIndex(i)
                 addr = loc.GetAddress()
+                lineEntry = addr.GetLineEntry()
                 result += '{locid="%s"' % loc.GetID()
                 result += ',func="%s"' % addr.GetFunction().GetName()
                 result += ',enabled="%s"' % (1 if loc.IsEnabled() else 0)
                 result += ',resolved="%s"' % (1 if loc.IsResolved() else 0)
                 result += ',valid="%s"' % (1 if loc.IsValid() else 0)
                 result += ',ignorecount="%s"' % loc.GetIgnoreCount()
+                result += ',file="%s"' % lineEntry.GetFileSpec()
+                result += ',line="%s"' % lineEntry.GetLine()
                 result += ',addr="%s"},' % loc.GetLoadAddress()
-        result += '],'
+        result += ']'
+        if lineEntry is not None:
+            result += ',file="%s"' % lineEntry.GetFileSpec()
+            result += ',line="%s"' % lineEntry.GetLine()
         return result
 
     def createBreakpointAtMain(self):
@@ -1339,26 +1355,26 @@ class Dumper(DumperBase):
     def addBreakpoint(self, args):
         bpType = args["type"]
         if bpType == BreakpointByFileAndLine:
-            bpNew = self.target.BreakpointCreateByLocation(
+            bp = self.target.BreakpointCreateByLocation(
                 str(args["file"]), int(args["line"]))
         elif bpType == BreakpointByFunction:
-            bpNew = self.target.BreakpointCreateByName(args["function"])
+            bp = self.target.BreakpointCreateByName(args["function"])
         elif bpType == BreakpointByAddress:
-            bpNew = self.target.BreakpointCreateByAddress(args["address"])
+            bp = self.target.BreakpointCreateByAddress(args["address"])
         elif bpType == BreakpointAtMain:
-            bpNew = self.createBreakpointAtMain()
+            bp = self.createBreakpointAtMain()
         elif bpType == BreakpointByFunction:
-            bpNew = self.target.BreakpointCreateByName(args["function"])
+            bp = self.target.BreakpointCreateByName(args["function"])
         elif bpType == BreakpointAtThrow:
-            bpNew = self.target.BreakpointCreateForException(
+            bp = self.target.BreakpointCreateForException(
                 lldb.eLanguageTypeC_plus_plus, False, True)
         elif bpType == BreakpointAtCatch:
-            bpNew = self.target.BreakpointCreateForException(
+            bp = self.target.BreakpointCreateForException(
                 lldb.eLanguageTypeC_plus_plus, True, False)
         elif bpType == WatchpointAtAddress:
             error = lldb.SBError()
-            bpNew = self.target.WatchAddress(args["address"], 4, False, True, error)
-            #warn("BPNEW: %s" % bpNew)
+            bp = self.target.WatchAddress(args["address"], 4, False, True, error)
+            #warn("BPNEW: %s" % bp)
             self.reportError(error)
         elif bpType == WatchpointAtExpression:
             # FIXME: Top level-only for now.
@@ -1366,7 +1382,7 @@ class Dumper(DumperBase):
                 frame = self.currentFrame()
                 value = frame.FindVariable(args["expression"])
                 error = lldb.SBError()
-                bpNew = self.target.WatchAddress(value.GetLoadAddress(),
+                bp = self.target.WatchAddress(value.GetLoadAddress(),
                     value.GetByteSize(), False, True, error)
             except:
                 return self.target.BreakpointCreateByName(None)
@@ -1374,13 +1390,14 @@ class Dumper(DumperBase):
             # This leaves the unhandled breakpoint in a (harmless)
             # "pending" state.
             return self.target.BreakpointCreateByName(None)
-        bpNew.SetIgnoreCount(int(args["ignorecount"]))
-        if hasattr(bpNew, 'SetCondition'):
-            bpNew.SetCondition(self.hexdecode(args["condition"]))
-        bpNew.SetEnabled(int(args["enabled"]))
-        if hasattr(bpNew, 'SetOneShot'):
-            bpNew.SetOneShot(int(args["oneshot"]))
-        return bpNew
+        bp.SetIgnoreCount(int(args["ignorecount"]))
+        if hasattr(bp, 'SetCondition'):
+            bp.SetCondition(self.hexdecode(args["condition"]))
+        bp.SetEnabled(int(args["enabled"]))
+        if hasattr(bp, 'SetOneShot'):
+            bp.SetOneShot(int(args["oneshot"]))
+        self.breakpointsToCheck.add(bp.GetID())
+        return bp
 
     def changeBreakpoint(self, args):
         id = int(args["lldbid"])
@@ -1393,6 +1410,7 @@ class Dumper(DumperBase):
         bp.SetEnabled(int(args["enabled"]))
         if hasattr(bp, 'SetOneShot'):
             bp.SetOneShot(int(args["oneshot"]))
+        return bp
 
     def removeBreakpoint(self, args):
         id = int(args['lldbid'])
@@ -1408,30 +1426,27 @@ class Dumper(DumperBase):
         if needStop:
             error = self.process.Stop()
 
-        result = 'bkpts=['
         for bp in args['bkpts']:
             operation = bp['operation']
+            modelId = bp['modelid']
 
             if operation == 'add':
                 bpNew = self.addBreakpoint(bp)
-                result += '{operation="added",%s}' \
-                    % self.describeBreakpoint(bpNew, bp["modelid"])
+                self.report('breakpoint-added={%s,modelid="%s"}'
+                    % (self.describeBreakpoint(bpNew), modelId))
 
             elif operation == 'change':
                 bpNew = self.changeBreakpoint(bp)
-                result += '{operation="changed",%s' \
-                    % self.describeBreakpoint(bpNew, bp["modelid"])
+                self.report('breakpoint-changed={%s,modelid="%s"}'
+                    % (self.describeBreakpoint(bpNew), modelId))
 
             elif operation == 'remove':
                 bpDead = self.removeBreakpoint(bp)
-                result += '{operation="removed",modelid="%s"}' % bp["modelid"]
-
-        result += "]"
+                self.report('breakpoint-removed={modelid="%s"}' % modelId)
 
         if needStop:
             error = self.process.Continue()
 
-        self.report(result)
 
     def listModules(self, args):
         result = 'modules=['

src/plugins/debugger/lldb/lldbengine.cpp

@@ -415,8 +415,12 @@ void LldbEngine::handleResponse(const QByteArray &response)
             refreshModules(item);
         else if (name == "symbols")
             refreshSymbols(item);
-        else if (name == "bkpts")
-            refreshBreakpoints(item);
+        else if (name == "breakpoint-added")
+            refreshAddedBreakpoint(item);
+        else if (name == "breakpoint-changed")
+            refreshChangedBreakpoint(item);
+        else if (name == "breakpoint-removed")
+            refreshRemovedBreakpoint(item);
         else if (name == "output")
             refreshOutput(item);
         else if (name == "disassembly")
@@ -605,9 +609,11 @@ void LldbEngine::attemptBreakpointSynchronization()
 void LldbEngine::updateBreakpointData(const GdbMi &bkpt, bool added)
 {
     BreakHandler *handler = breakHandler();
-    BreakpointModelId id = BreakpointModelId(bkpt["modelid"].data());
-    BreakpointResponse response = handler->response(id);
     BreakpointResponseId rid = BreakpointResponseId(bkpt["lldbid"].data());
+    BreakpointModelId id = BreakpointModelId(bkpt["modelid"].data());
+    if (!id.isValid())
+        id = handler->findBreakpointByResponseId(rid);
+    BreakpointResponse response = handler->response(id);
     if (added)
         response.id = rid;
     QTC_CHECK(response.id == rid);
@@ -616,9 +622,9 @@ void LldbEngine::updateBreakpointData(const GdbMi &bkpt, bool added)
     response.ignoreCount = bkpt["ignorecount"].toInt();
     response.condition = QByteArray::fromHex(bkpt["condition"].data());
     response.hitCount = bkpt["hitcount"].toInt();
+    response.fileName = bkpt["file"].toUtf8();
+    response.lineNumber = bkpt["line"].toInt();
 
-    if (added) {
-        // Added.
     GdbMi locations = bkpt["locations"];
     const int numChild = locations.children().size();
     if (numChild > 1) {
@@ -629,6 +635,8 @@ void LldbEngine::updateBreakpointData(const GdbMi &bkpt, bool added)
             sub.type = response.type;
             sub.address = location["addr"].toAddress();
             sub.functionName = location["func"].toUtf8();
+            sub.fileName = location["file"].toUtf8();
+            sub.lineNumber = location["line"].toInt();
             handler->insertSubBreakpoint(id, sub);
         }
     } else if (numChild == 1) {
@@ -639,12 +647,10 @@ void LldbEngine::updateBreakpointData(const GdbMi &bkpt, bool added)
         QTC_CHECK(false);
     }
     handler->setResponse(id, response);
+    if (added)
         handler->notifyBreakpointInsertOk(id);
-    } else {
-        // Changed.
-        handler->setResponse(id, response);
+    else
         handler->notifyBreakpointChangeOk(id);
-    }
 }
 
 void LldbEngine::refreshDisassembly(const GdbMi &data)
@@ -694,25 +700,26 @@ void LldbEngine::refreshOutput(const GdbMi &output)
     showMessage(QString::fromUtf8(data), ch);
 }
 
-void LldbEngine::refreshBreakpoints(const GdbMi &bkpts)
+void LldbEngine::refreshAddedBreakpoint(const GdbMi &bkpt)
+{
+    BreakpointModelId id = BreakpointModelId(bkpt["modelid"].data());
+    QTC_CHECK(breakHandler()->state(id) == BreakpointInsertProceeding);
+    updateBreakpointData(bkpt, true);
+}
+
+void LldbEngine::refreshChangedBreakpoint(const GdbMi &bkpt)
+{
+    BreakpointModelId id = BreakpointModelId(bkpt["modelid"].data());
+    QTC_CHECK(!id.isValid() || breakHandler()->state(id) == BreakpointChangeProceeding);
+    updateBreakpointData(bkpt, false);
+}
+
+void LldbEngine::refreshRemovedBreakpoint(const GdbMi &bkpt)
 {
     BreakHandler *handler = breakHandler();
-    foreach (const GdbMi &bkpt, bkpts.children()) {
-        QByteArray op = bkpt["operation"].data();
-        if (op == "added") {
-            BreakpointModelId id = BreakpointModelId(bkpt["modelid"].data());
-            QTC_CHECK(handler->state(id) == BreakpointInsertProceeding);
-            updateBreakpointData(bkpt, true);
-        } else if (op == "changed") {
-            BreakpointModelId id = BreakpointModelId(bkpt["modelid"].data());
-            QTC_CHECK(handler->state(id) == BreakpointChangeProceeding);
-            updateBreakpointData(bkpt, false);
-        } else if (op == "removed") {
     BreakpointModelId id = BreakpointModelId(bkpt["modelid"].data());
     QTC_CHECK(handler->state(id) == BreakpointRemoveProceeding);
     handler->notifyBreakpointRemoveOk(id);
-        }
-    }
 }
 
 void LldbEngine::loadSymbols(const QString &moduleName)

src/plugins/debugger/lldb/lldbengine.h

@@ -174,7 +174,9 @@ private:
     void refreshModules(const GdbMi &modules);
     void refreshSymbols(const GdbMi &symbols);
     void refreshOutput(const GdbMi &output);
-    void refreshBreakpoints(const GdbMi &bkpts);
+    void refreshAddedBreakpoint(const GdbMi &bkpts);
+    void refreshChangedBreakpoint(const GdbMi &bkpts);
+    void refreshRemovedBreakpoint(const GdbMi &bkpts);
     void runContinuation(const GdbMi &data);
 
     typedef void (LldbEngine::*LldbCommandContinuation)();