debugger: make F10/F11 start the app if not running and break on main

src/plugins/debugger/debuggerconstants.h

@@ -48,6 +48,7 @@ const char * const C_QMLDEBUGGER        = "Qml/JavaScript Debugger";
 
 // Project Explorer run mode (RUN/DEBUG)
 const char * const DEBUGMODE            = "Debugger.DebugMode";
+const char * const DEBUGMODE2           = "Debugger.DebugMode2";
 
 // Common actions (accessed by QML inspector)
 const char * const INTERRUPT            = "Debugger.Interrupt";

src/plugins/debugger/debuggerplugin.cpp

@@ -682,6 +682,7 @@ public slots:
     void showSettingsDialog();
 
     void debugProject();
+    void debugProjectBreakMain();
     void startExternalApplication();
     void startRemoteCdbSession();
     void startRemoteApplication();
@@ -779,21 +780,29 @@ public slots:
 
     void handleExecStep()
     {
+        if (currentEngine()->state() == DebuggerNotReady) {
+            debugProjectBreakMain();
+        } else {
             currentEngine()->resetLocation();
             if (boolSetting(OperateByInstruction))
                 currentEngine()->executeStepI();
             else
                 currentEngine()->executeStep();
         }
+    }
 
     void handleExecNext()
     {
+        if (currentEngine()->state() == DebuggerNotReady) {
+            debugProjectBreakMain();
+        } else {
             currentEngine()->resetLocation();
             if (boolSetting(OperateByInstruction))
                 currentEngine()->executeNextI();
             else
                 currentEngine()->executeNext();
         }
+    }
 
     void handleExecStepOut()
     {
@@ -1338,6 +1347,13 @@ void DebuggerPluginPrivate::debugProject()
         pe->runProject(pro, Constants::DEBUGMODE);
 }
 
+void DebuggerPluginPrivate::debugProjectBreakMain()
+{
+    ProjectExplorerPlugin *pe = ProjectExplorerPlugin::instance();
+    if (Project *pro = pe->startupProject())
+        pe->runProject(pro, Constants::DEBUGMODE2);
+}
+
 void DebuggerPluginPrivate::startExternalApplication()
 {
     DebuggerStartParameters sp;
@@ -1920,13 +1936,13 @@ void DebuggerPluginPrivate::setInitialState()
     m_interruptAction->setEnabled(false);
     m_continueAction->setEnabled(false);
 
-    m_stepAction->setEnabled(false);
+    m_stepAction->setEnabled(true);
     m_stepOutAction->setEnabled(false);
     m_runToLineAction->setEnabled(false);
     m_runToSelectedFunctionAction->setEnabled(true);
     m_returnFromFunctionAction->setEnabled(false);
     m_jumpToLineAction->setEnabled(false);
-    m_nextAction->setEnabled(false);
+    m_nextAction->setEnabled(true);
 
     action(AutoDerefPointers)->setEnabled(true);
     action(ExpandStack)->setEnabled(false);
@@ -2041,7 +2057,9 @@ void DebuggerPluginPrivate::updateState(DebuggerEngine *engine)
     m_resetAction->setEnabled(state != DebuggerNotReady
                                       && state != DebuggerFinished);
 
-    m_stepAction->setEnabled(stopped);
+    m_stepAction->setEnabled(stopped || state == DebuggerNotReady);
+    m_nextAction->setEnabled(stopped || state == DebuggerNotReady);
+
     m_stepOutAction->setEnabled(stopped);
     m_runToLineAction->setEnabled(stopped);
     m_runToSelectedFunctionAction->setEnabled(stopped);
@@ -2051,8 +2069,6 @@ void DebuggerPluginPrivate::updateState(DebuggerEngine *engine)
     const bool canJump = stopped && (caps & JumpToLineCapability);
     m_jumpToLineAction->setEnabled(canJump);
 
-    m_nextAction->setEnabled(stopped);
-
     const bool canDeref = actionsEnabled && (caps & AutoDerefPointersCapability);
     action(AutoDerefPointers)->setEnabled(canDeref);
     action(AutoDerefPointers)->setEnabled(true);
@@ -2828,13 +2844,13 @@ void DebuggerPluginPrivate::extensionsInitialized()
     debugMenu->addAction(cmd);
 
     cmd = am->registerAction(m_nextAction,
-        Constants::NEXT, cppDebuggercontext);
+        Constants::NEXT, globalcontext);
     cmd->setDefaultKeySequence(QKeySequence(Constants::NEXT_KEY));
     cmd->setAttribute(Command::CA_Hide);
     debugMenu->addAction(cmd);
 
     cmd = am->registerAction(m_stepAction,
-        Constants::STEP, cppDebuggercontext);
+        Constants::STEP, globalcontext);
     cmd->setDefaultKeySequence(QKeySequence(Constants::STEP_KEY));
     cmd->setAttribute(Command::CA_Hide);
     debugMenu->addAction(cmd);

src/plugins/debugger/debuggerrunner.cpp

@@ -654,7 +654,7 @@ DebuggerRunControlFactory::DebuggerRunControlFactory(QObject *parent,
 bool DebuggerRunControlFactory::canRun(RunConfiguration *runConfiguration, const QString &mode) const
 {
 //    return mode == ProjectExplorer::Constants::DEBUGMODE;
-    return mode == Constants::DEBUGMODE
+    return (mode == Constants::DEBUGMODE || mode == Constants::DEBUGMODE2)
             && qobject_cast<LocalApplicationRunConfiguration *>(runConfiguration);
 }
 
@@ -761,8 +761,10 @@ static DebuggerStartParameters localStartParameters(RunConfiguration *runConfigu
 RunControl *DebuggerRunControlFactory::create
     (RunConfiguration *runConfiguration, const QString &mode)
 {
-    QTC_ASSERT(mode == Constants::DEBUGMODE, return 0);
+    QTC_ASSERT(mode == Constants::DEBUGMODE || mode == Constants::DEBUGMODE2, return 0);
     DebuggerStartParameters sp = localStartParameters(runConfiguration);
+    if (mode == Constants::DEBUGMODE2)
+        sp.breakOnMain = true;
     return create(sp, runConfiguration);
 }
 

src/plugins/debugger/debuggerstartparameters.h

@@ -64,6 +64,7 @@ public:
       : isSnapshot(false),
         attachPID(-1),
         useTerminal(false),
+        breakOnMain(false),
         qmlServerAddress(QLatin1String("127.0.0.1")),
         qmlServerPort(0),
         useServerStartScript(false),
@@ -85,6 +86,7 @@ public:
     QString workingDirectory;
     qint64 attachPID;
     bool useTerminal;
+    bool breakOnMain;
 
     // Used by AttachCrashedExternal.
     QString crashParameter;

src/plugins/debugger/gdb/gdbengine.cpp

@@ -4448,6 +4448,12 @@ bool GdbEngine::startGdb(const QStringList &args, const QString &settingsIdHint)
 
     postCommand("disassemble 0 0", ConsoleCommand, CB(handleDisassemblerCheck));
 
+    if (sp.breakOnMain) {
+        QByteArray cmd = "tbreak ";
+        cmd += sp.toolChainAbi.os() == Abi::WindowsOS ? "qMain" : "main";
+        postCommand(cmd);
+    }
+
     loadPythonDumpers();
 
     QString scriptFileName = debuggerCore()->stringSetting(GdbScriptFile);