Merge pull request #419 from vim-vdebug/check-if-is-connected

first check if there is a connection before acting on some events

1 files changed, 20 insertions, 0 deletions

diff --git a/python3/vdebug/event.py b/python3/vdebug/event.py
index a352234..303e1dc 100644
--- a/python3/vdebug/event.py
+++ b/python3/vdebug/event.py
@@ -335,6 +335,11 @@ class ListenEvent(Event):
 class StepOverEvent(Event):
 
     def run(self):
+        if not self.session or not self.session.is_connected():
+            self.ui.say("Step over is only possible when "
+                          "Vdebug is running")
+            return False
+
         log.Log("Stepping over")
         self.ui.set_status("running")
         res = self.api.step_over()
@@ -344,6 +349,11 @@ class StepOverEvent(Event):
 class StepIntoEvent(Event):
 
     def run(self):
+        if not self.session or not self.session.is_connected():
+            self.ui.say("Step in is only possible when "
+                          "Vdebug is running")
+            return False
+
         log.Log("Stepping into statement")
         self.ui.set_status("running")
         res = self.api.step_into()
@@ -353,6 +363,11 @@ class StepIntoEvent(Event):
 class StepOutEvent(Event):
 
     def run(self):
+        if not self.session or not self.session.is_connected():
+            self.ui.say("Step out is only possible when "
+                          "Vdebug is running")
+            return False
+
         log.Log("Stepping out of statement")
         self.ui.set_status("running")
         res = self.api.step_out()
@@ -362,6 +377,11 @@ class StepOutEvent(Event):
 class RunToCursorEvent(Event):
 
     def run(self):
+        if not self.session or not self.session.is_connected():
+            self.ui.say("Run to cursor is only possible when "
+                          "Vdebug is running")
+            return False
+
         row = self.ui.get_current_row()
         file = self.ui.get_current_file()
         if file != self.ui.sourcewin.get_file():