Merge pull request boriel-basic#267 from boriel/bugfix/warn_msg_unuse…

…d_byreg_param Fix warning message in byref params
boriel · Apr 4, 2020 · abde313 · abde313
2 parents ed38958 + fdf2863
commit abde313
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diff --git a/api/symboltable.py b/api/symboltable.py
@@ -312,7 +312,8 @@ def entry_size(entry):
                 if v.scope == SCOPE.parameter:
                     kind = 'Parameter'
                     v.accessed = True  # HINT: Parameters must always be present even if not used!
-                    warning_not_used(v.lineno, v.name, kind=kind)
+                    if not v.byref:  # HINT: byref is always marked as used: it can be used to return a value
+                        warning_not_used(v.lineno, v.name, kind=kind)
 
         entries = sorted(self.table[self.current_scope].values(filter_by_opt=True), key=entry_size)
         offset = 0