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misra.py: Added rule 20.10

This commit is contained in:
Daniel Marjamäki 2019-04-11 10:50:07 +02:00
parent 3e3c805a66
commit a1c30b834c
2 changed files with 34 additions and 21 deletions
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48
addons/misra.py
View File

@ -1631,27 +1631,36 @@ class MisraChecker:
d = Define(directive)
exp = '(' + d.expansionList + ')'
for arg in d.args:
pos = exp.find(arg)
if pos < 0:
continue
pos1 = pos - 1
pos2 = pos + len(arg)
if isalnum(exp[pos1]) or exp[pos1]=='_':
continue
if isalnum(exp[pos2]) or exp[pos2]=='_':
continue
while exp[pos1] == ' ':
pos1 -= 1
if exp[pos1] != '(' and exp[pos1] != '[':
self.reportError(directive, 20, 7);
break
while exp[pos2] == ' ':
pos2 += 1
if exp[pos2] != ')' and exp[pos2] != ']':
self.reportError(directive, 20, 7);
break
pos = 0
while pos < len(exp):
pos = exp.find(arg, pos)
if pos < 0:
break
pos1 = pos - 1
pos2 = pos + len(arg)
pos = pos2
if isalnum(exp[pos1]) or exp[pos1]=='_':
continue
if isalnum(exp[pos2]) or exp[pos2]=='_':
continue
while exp[pos1] == ' ':
pos1 -= 1
if exp[pos1] != '(' and exp[pos1] != '[':
self.reportError(directive, 20, 7);
break
while exp[pos2] == ' ':
pos2 += 1
if exp[pos2] != ')' and exp[pos2] != ']':
self.reportError(directive, 20, 7);
break
def misra_20_10(self, data):
for directive in data.directives:
d = Define(directive)
if d.expansionList.find('#') >= 0:
self.reportError(directive, 20, 10);
def misra_20_13(self, data):
dir_pattern = re.compile(r'#[ ]*([^ (<]*)')
for directive in data.directives:
@ -2185,6 +2194,7 @@ class MisraChecker:
self.misra_20_4(cfg)
self.misra_20_5(cfg)
self.misra_20_7(cfg)
self.misra_20_10(cfg)
self.misra_20_13(cfg)
self.misra_20_14(cfg)
self.misra_21_3(cfg)

7
addons/test/misra-test.c
View File

@ -498,8 +498,11 @@ union misra_19_2 { }; // 19.2
#define int short // 20.4
#undef X // 20.5
#define M1(A) (A+1) // 20.7
#define M2(A,B) (1+AB+2)
#define M_20_7_1(A) (A+1) // 20.7
#define M_20_7_2(A,B) (1+AB+2) // no warning
#define M_20_7_3(A) ((A)+A) // 20.7
#define STRINGIFY(a) (#a) // 20.7 20.10
#else1 // 20.13