List scope chain levels and their variables to the selected stack frame. (#2557)

It supports to list the scope chain of the current execution context and see
which variables are available.

JerryScript-DCO-1.0-Signed-off-by: Robert Sipka rsipka.uszeged@partner.samsung.com

jerry-debugger/jerry_client.py

@@ -118,6 +118,11 @@ class DebuggerPrompt(Cmd):
         self.stop = True
     do_bt = do_backtrace
 
+    def do_variables(self, args):
+        """ Get scope variables from debugger """
+        write(self.debugger.scope_variables(args))
+        self.stop = True
+
     def do_src(self, args):
         """ Get current source code """
         if args:
@@ -172,6 +177,11 @@ class DebuggerPrompt(Cmd):
         self.stop = True
     do_ms = do_memstats
 
+    def do_scopes(self, _):
+        """ Memory statistics """
+        self.debugger.scope_chain()
+        self.stop = True
+
     def do_abort(self, args):
         """ Throw an exception """
         self.debugger.abort(args)