misra.py: Fix 12.3 FP in initializer lists (#2489)

See: trac 9581

addons/misra.py

@@ -1386,19 +1386,23 @@ class MisraChecker:
 
         skip_to = None
         for token in data.tokenlist:
-            # Skip tokens in function call body
             if skip_to:
                 if token == skip_to:
                     skip_to = None
                 else:
                     continue
+            # Skip tokens in function call body
             if token.function and token.next and token.next.str == "(":
                 skip_to = token.next.link
+            # Skip tokens in initializer lists
+            if simpleMatch(token, '= {'):
+                skip_to = token.next.link
 
             if token.scope.type in ('Enum', 'Class', 'Struct', 'Global'):
                 continue
-            # Save end tokens from function calls in initialization
+            # Save last tokens from function calls and initializer lists in
-            if simpleMatch(token, ') ;'):
+            # initialization sequence
+            if simpleMatch(token, ') ;') or simpleMatch(token, '} ;'):
                 if (token.isExpandedMacro):
                     end_tokens_map[token.next.linenr].add(token.next.column)
                 else:

addons/test/misra/misra-test.c

@@ -430,6 +430,16 @@ void misra_12_3(int a, int b, int c) { // no warning
   misra_12_3_fn4(misra_12_3_fn7(&a1, 32), &a1);
   misra_12_3_fn6(misra_12_3_fn5(&a1, 32), &a1);
   misra_12_3_fn6(misra_12_3_fn7(&a1, 32), &a1);
+
+  const struct fun_t
+  {
+    int64_t x;
+    uint32_t y;
+  } moreFun[2U] =
+  {
+    { 900000000000000LL, 0x20000UL },
+    { 450000000000000LL, 0x10000UL }
+  };
 }
 
 #define MISRA12_4a 2000000000u