cppcheck/addons/findcasts.py

41 lines
1.1 KiB
Python
Executable File

#!/usr/bin/env python3
#
# Locate casts in the code
#
import cppcheckdata
import sys
for arg in sys.argv[1:]:
if arg.startswith('-'):
continue
print('Checking %s...' % arg)
data = cppcheckdata.CppcheckData(arg)
for cfg in data.iterconfigurations():
print('Checking %s, config %s...' % (arg, cfg.name))
for token in cfg.tokenlist:
if token.str != '(' or not token.astOperand1 or token.astOperand2:
continue
# Is it a lambda?
if token.astOperand1.str == '{':
continue
# we probably have a cast.. if there is something inside the parentheses
# there is a cast. Otherwise this is a function call.
typetok = token.next
if not typetok.isName:
continue
# cast number => skip output
if token.astOperand1.isNumber:
continue
# void cast => often used to suppress compiler warnings
if typetok.str == 'void':
continue
cppcheckdata.reportError(token, 'information', 'found a cast', 'findcasts', 'cast')