cppcheck/addons/findcasts.py

33 lines
839 B
Python
Executable File

#!/usr/bin/env python3
#
# Locate casts in the code
#
import cppcheck
@cppcheck.checker
def cast(cfg, data):
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
cppcheck.reportError(token, 'information', 'found a cast')