Fix #13648: False positive: Misra C 16.3: warn on default in pragma (#7314)

Author: olabetskyi

addons/misra.py

@@ -3157,15 +3157,15 @@ def misra_16_3(self, rawTokens):
         STATE_OK = 2  # a case/default is allowed (we have seen 'break;'/'comment'/'{'/attribute)
         STATE_SWITCH = 3  # walking through switch statement scope
 
-        define = None
+        directive = None
         state = STATE_NONE
         end_switch_token = None  # end '}' for the switch scope
         for token in rawTokens:
-            if simpleMatch(token, '# define'):
-                define = token
-            if define:
-                if token.linenr != define.linenr:
-                    define = None
+            if simpleMatch(token, '# define') or simpleMatch(token, '# pragma'):
+                directive = token
+            if directive:
+                if token.linenr != directive.linenr:
+                    directive = None
                 else:
                     continue
 
@@ -3231,7 +3231,7 @@ def misra_16_5(self, data):
         for token in data.tokenlist:
             if token.str != 'default':
                 continue
-            if token.previous and token.previous.str == '{':
+            if token.previous and (token.previous.str == '{'):
                 continue
             tok2 = token
             while tok2:

addons/test/misra/misra-test.c

@@ -2,6 +2,8 @@
 // ~/cppcheck/cppcheck --dump misra/misra-test.h --std=c89
 // ~/cppcheck/cppcheck --dump -DDUMMY --suppress=uninitvar --inline-suppr misra/misra-test.c --std=c89 --platform=unix64 && python3 ../misra.py -verify misra/misra-test.c.dump
 
+#pragma ghs section rodata=default // no warning
+
 #include "path\file.h" // 20.2
 #include "file//.h" // 20.2
 #include "file/*.h" // 20.2