Fixed #8658 (false positive: MISRA rule 8.12)

addons/misra.py

@@ -865,15 +865,19 @@ class MisraChecker:
 
     def misra_8_12(self, data):
         for scope in data.scopes:
-            enum_values = []
-            implicit_enum_values = []
             if scope.type != 'Enum':
                 continue
+            enum_values = []
+            implicit_enum_values = []
             e_token = scope.bodyStart.next
             while e_token != scope.bodyEnd:
-                if e_token.isName and \
-                e_token.values and \
-                e_token.valueType and e_token.valueType.typeScope == scope:
+                if e_token.str == '(':
+                    e_token.str == e_token.link
+                    continue
+                if not e_token.previous.str in ',{':
+                    e_token = e_token.next
+                    continue
+                if e_token.isName and e_token.values and e_token.valueType and e_token.valueType.typeScope == scope:
                     token_values = [v.intvalue for v in e_token.values]
                     enum_values += token_values
                     if e_token.next.str != "=":

addons/test/misra-test.c

@@ -149,6 +149,7 @@ extern int a811[]; // 8.11
 enum misra_8_12_a { misra_a1 = 1, misra_a2 = 2, misra_a3, misra_a4 = 3 }; //8.12
 enum misra_8_12_b { misra_b1, misra_b2, misra_b3 = 3, misra_b4 = 3 }; // no-warning
 enum misra_8_12_c { misra_c1 = misra_a1, misra_c2 = 1 }; // no-warning
+enum misra_8_12_d { misra_d1 = 1, misra_d2 = 2, misra_d3 = misra_d1 }; // no-warning
 
 void misra_8_14(char * restrict str) {} // 8.14