toolcontext: add `ToolContext::quit` to perform a correct shutdown of the program

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/toolcontext.nit b/src/toolcontext.nit
index bdd6338..850781e 100644 (file)
--- a/src/toolcontext.nit
+++ b/src/toolcontext.nit
@@ -169,6 +169,16 @@ class ToolContext
                return tags.has("all") or tags.has(tag)
        end
 
+       # Output all current stacked messages, total and exit the program
+       #
+       # If there is no error, exit with 0, else exit with 1.
+       fun quit
+       do
+               check_errors
+               errors_info
+               if error_count > 0 then exit(1) else exit(0)
+       end
+
        # Output all current stacked messages
        #
        # Return true if no errors occurred.