Debugger: Implement "Create Full Backtrace" for LLDB

Task-number: QTCREATORBUG-11642
Change-Id: I92d7cde1e5021ab06ad72a00645184c41dae0e6b
Reviewed-by: Ulf Hermann <ulf.hermann@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>

share/qtcreator/debugger/lldbbridge.py

@@ -1562,6 +1562,12 @@ class Dumper(DumperBase):
     def requestModuleSymbols(self, frame):
         self.handleCommand("target module list " + frame)
 
+    def createFullBacktrace(self, _ = None):
+        command = "thread backtrace all"
+        result = lldb.SBCommandReturnObject()
+        self.debugger.GetCommandInterpreter().HandleCommand(command, result)
+        self.report('full-backtrace="%s"' % self.hexencode(result.GetOutput()))
+
     def executeDebuggerCommand(self, args):
         result = lldb.SBCommandReturnObject()
         command = args['command']

src/plugins/debugger/lldb/lldbengine.cpp

@@ -108,7 +108,7 @@ LldbEngine::LldbEngine(const DebuggerStartParameters &startParameters)
     connect(debuggerCore()->action(AutoDerefPointers), SIGNAL(valueChanged(QVariant)),
             SLOT(updateLocals()));
     connect(debuggerCore()->action(CreateFullBacktrace), SIGNAL(triggered()),
-            SLOT(updateAll()));
+            SLOT(createFullBacktrace()));
     connect(debuggerCore()->action(UseDebuggingHelpers), SIGNAL(valueChanged(QVariant)),
             SLOT(updateLocals()));
     connect(debuggerCore()->action(UseDynamicType), SIGNAL(valueChanged(QVariant)),
@@ -432,6 +432,8 @@ void LldbEngine::handleResponse(const QByteArray &response)
             refreshMemory(item);
         else if (name == "continuation")
             runContinuation(item);
+        else if (name == "full-backtrace")
+            showFullBacktrace(item);
         else if (name == "statusmessage") {
             QString msg = QString::fromUtf8(item.data());
             if (msg.size())
@@ -441,6 +443,12 @@ void LldbEngine::handleResponse(const QByteArray &response)
     }
 }
 
+void LldbEngine::showFullBacktrace(const GdbMi &data)
+{
+    debuggerCore()->openTextEditor(_("Backtrace $"),
+        QString::fromUtf8(QByteArray::fromHex(data.data())));
+}
+
 void LldbEngine::runContinuation(const GdbMi &data)
 {
     const QByteArray target = data.data();
@@ -1252,6 +1260,10 @@ void LldbEngine::fetchDisassembler(DisassemblerAgent *agent)
     runCommand(cmd);
 }
 
+void LldbEngine::createFullBacktrace()
+{
+    runCommand("createFullBacktrace");
+}
 
 void LldbEngine::fetchMemory(MemoryAgent *agent, QObject *editorToken,
         quint64 addr, quint64 length)

src/plugins/debugger/lldb/lldbengine.h

@@ -162,6 +162,7 @@ private:
     Q_SLOT void runEngine2();
     Q_SLOT void updateAll();
     Q_SLOT void updateLocals();
+    Q_SLOT void createFullBacktrace();
     void doUpdateLocals(UpdateParameters params);
     void refreshAll(const GdbMi &all);
     void refreshThreads(const GdbMi &threads);
@@ -181,6 +182,7 @@ private:
     void refreshChangedBreakpoint(const GdbMi &bkpts);
     void refreshRemovedBreakpoint(const GdbMi &bkpts);
     void runContinuation(const GdbMi &data);
+    void showFullBacktrace(const GdbMi &data);
 
     typedef void (LldbEngine::*LldbCommandContinuation)();