DAP: Fix launch of an application without run parameters

Now dap gdb debugger takes into account "Command line arguments:".

Change-Id: I5e7630a56a0851e7a0b8356129eb250bb29d5893
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>

src/plugins/debugger/dap/dapclient.cpp

@@ -58,10 +58,13 @@ void DapClient::sendInitialize()
     postRequest("initialize", QJsonObject{{"clientID", "QtCreator"}, {"clientName", "QtCreator"}});
 }
 
-void DapClient::sendLaunch(const Utils::FilePath &executable)
+void DapClient::sendLaunch(const Utils::CommandLine &command)
 {
     postRequest("launch",
-                QJsonObject{{"noDebug", false}, {"program", executable.path()}, {"__restart", ""}});
+                QJsonObject{{"noDebug", false},
+                            {"program", command.executable().path()},
+                            {"args", command.arguments()},
+                            {"__restart", ""}});
 }
 
 void DapClient::sendAttach()

src/plugins/debugger/dap/dapclient.h

@@ -80,7 +80,7 @@ public:
 
     virtual void sendInitialize();
 
-    void sendLaunch(const Utils::FilePath &executable);
+    void sendLaunch(const Utils::CommandLine &command);
     void sendAttach();
     void sendConfigurationDone();
 

src/plugins/debugger/dap/dapengine.cpp

@@ -195,7 +195,7 @@ void DapEngine::handleDapInitialize()
 {
     QTC_ASSERT(state() == EngineRunRequested, qCDebug(logCategory()) << state());
 
-    m_dapClient->sendLaunch(runParameters().inferior.command.executable());
+    m_dapClient->sendLaunch(runParameters().inferior.command);
 
     qCDebug(logCategory()) << "handleDapLaunch";
 }

src/plugins/debugger/dap/gdbdapengine.cpp

@@ -55,6 +55,8 @@ public:
     void start() override
     {
         m_proc.setProcessMode(ProcessMode::Writer);
+        if (m_runParameters.debugger.workingDirectory.isDir())
+            m_proc.setWorkingDirectory(m_runParameters.debugger.workingDirectory);
         m_proc.setEnvironment(m_runParameters.debugger.environment);
         m_proc.setCommand(m_cmd);
         m_proc.start();