Debugger: Move command flags to debugger command

Also, remove the need to mark GDB Python commands, detect the
need to use MI on the presence of non-Pythonic letters in
the command (space and hyphen).

Plan is to reuse even more almost shared code between engines.

Change-Id: I4e00debb07f2482637930675a28f464666b59553
Reviewed-by: hjk <hjk@qt.io>

src/plugins/debugger/debuggerengine.h

@@ -196,6 +196,21 @@ public:
     const DebuggerRunParameters &runParameters() const;
     DebuggerRunParameters &runParameters();
 
+    enum {
+        // Remove need to qualify each use.
+        NeedsTemporaryStop = DebuggerCommand::NeedsTemporaryStop,
+        NeedsFullStop = DebuggerCommand::NeedsFullStop,
+        Discardable = DebuggerCommand::Discardable,
+        ConsoleCommand = DebuggerCommand::ConsoleCommand,
+        NeedsFlush = DebuggerCommand::NeedsFlush,
+        ExitRequest = DebuggerCommand::ExitRequest,
+        RunRequest = DebuggerCommand::RunRequest,
+        LosesChild = DebuggerCommand::LosesChild,
+        RebuildBreakpointModel = DebuggerCommand::RebuildBreakpointModel,
+        InUpdateLocals = DebuggerCommand::InUpdateLocals,
+        Silent = DebuggerCommand::Silent
+    };
+
     virtual bool canHandleToolTip(const DebuggerToolTipContext &) const;
     virtual void expandItem(const QString &iname); // Called when item in tree gets expanded.
     virtual void updateItem(const QString &iname); // Called for fresh watch items.