Misra: Add rule 10.6

This commit is contained in:
Daniel Marjamäki 2017-04-16 13:28:08 +02:00
parent 7926cff8cc
commit 73dd71991c
2 changed files with 27 additions and 0 deletions

View File

@ -26,6 +26,10 @@ void misra_7_3() {
int x = 12lu; // 7.3
}
void misra_10_6(u8 x) {
u16 y = x+x; // 10.6
}
void misra_10_8(u8 x) {
y = (u16)(x+x); // 10.8
}

View File

@ -271,6 +271,28 @@ def misra_7_3(rawTokens):
if re.match(r'^[0-9]+l', tok.str):
reportError(tok, 7, 3)
def misra_10_6(data):
for token in data.tokenlist:
if token.str != '=':
continue
vt1 = token.astOperand1.valueType
vt2 = token.astOperand2.valueType
if not vt1 or vt1.pointer>0:
continue
if not vt2 or vt2.pointer>0:
continue
try:
intTypes = ['char', 'short', 'int', 'long', 'long long']
index1 = intTypes.index(vt1.type)
e = getEssentialType(token.astOperand2)
if not e:
continue
index2 = intTypes.index(e)
if index1 > index2:
reportError(token, 10, 6)
except ValueError:
pass
def misra_10_8(data):
for token in data.tokenlist:
if not isCast(token):
@ -830,6 +852,7 @@ for arg in sys.argv[1:]:
if cfgNumber == 1:
misra_7_1(data.rawTokens)
misra_7_3(data.rawTokens)
misra_10_6(cfg)
misra_10_8(cfg)
misra_11_3(cfg)
misra_11_4(cfg)