Fixed #10482 (FP: misra-c2012-12.2)

Author: danmar

.github/workflows/CI-unixish.yml

@@ -146,6 +146,7 @@ jobs:
           ./cppcheck --addon=misra --inline-suppr --enable=information --error-exitcode=1 addons/test/misra/misra-ctu-*-test.c
           cd addons/test
           ../../cppcheck --dump -DDUMMY --suppress=uninitvar --inline-suppr misra/misra-test.c --std=c89 --platform=unix64 && python3 ../misra.py -verify misra/misra-test.c.dump
+          ../../cppcheck --addon=misra --platform=avr8 --error-exitcode=1 misra/misra-test-avr8.c
 
       - name: Build GUI on ubuntu
         if: contains(matrix.os, 'ubuntu')

addons/misra.py

@@ -568,19 +568,19 @@ def getEssentialType(expr):
 def bitsOfEssentialType(ty):
     if ty is None:
         return 0
-    ty = ty.split(' ')[-1]
-    if ty == 'Boolean':
+    last_type = ty.split(' ')[-1]
+    if last_type == 'Boolean':
         return 1
-    if ty == 'char':
+    if last_type == 'char':
         return typeBits['CHAR']
-    if ty == 'short':
+    if last_type == 'short':
         return typeBits['SHORT']
-    if ty == 'int':
+    if last_type == 'int':
         return typeBits['INT']
-    if ty == 'long':
-        return typeBits['LONG']
-    if ty == 'long long':
+    if ty.endswith('long long'):
         return typeBits['LONG_LONG']
+    if last_type == 'long':
+        return typeBits['LONG']
     for sty in STDINT_TYPES:
         if ty == sty:
             return int(''.join(filter(str.isdigit, sty)))

addons/test/misra/misra-test-avr8.c

@@ -0,0 +1,7 @@
+// To test:
+// ~/cppcheck/cppcheck --addon=misra --platform=avr8 misra-test-avr8.c
+
+static void misra_12_2(void) {
+  a = (((uint64_t)0xFF) << 32);
+}
+