nitdbg: Added command to list all commands available

Signed-off-by: Lucas BAJOLET <r4pass@hotmail.com>

diff --git a/src/debugger.nit b/src/debugger.nit
index 528bb4d..500d52b 100644 (file)
--- a/src/debugger.nit
+++ b/src/debugger.nit
@@ -173,6 +173,9 @@ class Debugger
                        # Removes a breakpoint on line x of file y
                        else if parts_of_command[0] == "d" or parts_of_command[0] == "delete" then
                                process_remove_break_fun(parts_of_command)
+                       # Lists all the commands available
+                       else
+                               list_commands
                        end
                end
                return true
@@ -243,6 +246,8 @@ class Debugger
                        if instance != null
                        then
                                print_instance(instance)
+                       else
+                               print "Cannot find variable {parts_of_command[1]}"
                        end
                end
        end
@@ -253,6 +258,8 @@ class Debugger
                var bp = get_breakpoint_from_command(parts_of_command)
                if bp != null then
                        place_breakpoint(bp)
+               else
+                       list_commands
                end
        end
 
@@ -275,6 +282,8 @@ class Debugger
                        remove_breakpoint(self.curr_file, parts_of_command[1].to_i)
                else if parts_of_command.length >= 3 and parts_of_command[2].is_numeric then
                        remove_breakpoint(parts_of_command[1], parts_of_command[2].to_i)
+               else
+                       list_commands
                end
        end
 
@@ -435,4 +444,24 @@ class Debugger
                return null
        end
 
+       #######################################################################
+       ##                     Command listing function                      ##
+       #######################################################################
+
+       # Lists the commands available when using the debugger
+       fun list_commands
+       do
+               print "\nCommand not recognized\n"
+               print "Commands accepted : \n"
+               print "[break/b] line : Adds a breakpoint on line *line_nb* of the current file\n"
+               print "[break/b] file_name line_nb : Adds a breakpoint on line *line_nb* of file *file_name* \n"
+               print "[p/print] variable : [p/print] * shows the status of all the variables\n"
+               print "s : steps in on the current function\n"
+               print "n : steps-over the current instruction\n"
+               print "finish : steps out of the current function\n"
+               print "[d/delete] line_nb : Removes a breakpoint on line *line_nb* of the current file \n"
+               print "[d/delete] file_name line_nb : Removes a breakpoint on line *line_nb* of file *file_name* \n"
+               print "kill : kills the current program (Exits with an error and stack trace)\n"
+       end
+
 end