cppcheck/addons/findcasts.py

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#/usr/bin/python
#
# Locate casts in the code
#
import cppcheckdata
import sys
messages = []
for arg in sys.argv[1:]:
print('Checking ' + arg + '...')
data = cppcheckdata.parsedump(arg)
for cfg in data.configurations:
if len(data.configurations) > 1:
print('Checking ' + arg + ', config "' + cfg.name + '"...')
for token in cfg.tokenlist:
if token.str != '(' or not token.astOperand1 or token.astOperand2:
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
msg = '[' + token.file + ':' + str(
token.linenr) + '] (information) findcasts.py: found a cast\n'
if not msg in messages:
messages.append(msg)
sys.stderr.write(msg)