cppcheck/addons/naming.py

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2017-06-04 22:51:48 +02:00
#!/usr/bin/env python
#
# cppcheck addon for naming conventions
#
# Example usage (variable name must start with lowercase, function name must start with uppercase):
# $ cppcheck --dump path-to-src/
# $ python addons/naming.py --var='[a-z].*' --function='[A-Z].*' path-to-src/*.dump
#
import cppcheckdata
import sys
import re
RE_VARNAME = None
RE_PRIVATE_MEMBER_VARIABLE = None
RE_FUNCTIONNAME = None
for arg in sys.argv[1:]:
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if arg[:6] == '--var=':
RE_VARNAME = arg[6:]
elif arg.startswith('--private-member-variable='):
RE_PRIVATE_MEMBER_VARIABLE = arg[arg.find('=')+1:]
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elif arg[:11] == '--function=':
RE_FUNCTIONNAME = arg[11:]
def reportError(token, severity, msg):
sys.stderr.write(
'[' + token.file + ':' + str(token.linenr) + '] (' + severity + ') naming.py: ' + msg + '\n')
for arg in sys.argv[1:]:
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if not arg[-5:] == '.dump':
continue
print('Checking ' + arg + '...')
data = cppcheckdata.parsedump(arg)
for cfg in data.configurations:
if len(data.configurations) > 1:
print('Checking ' + arg + ', config "' + cfg.name + '"...')
if RE_VARNAME:
for var in cfg.variables:
res = re.match(RE_VARNAME, var.nameToken.str)
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if not res:
reportError(var.typeStartToken, 'style', 'Variable ' +
var.nameToken.str + ' violates naming convention')
if RE_PRIVATE_MEMBER_VARIABLE:
for var in cfg.variables:
if (var.access is None) or var.access != 'Private':
continue
res = re.match(RE_PRIVATE_MEMBER_VARIABLE, var.nameToken.str)
if not res:
reportError(var.typeStartToken, 'style', 'Private member variable ' +
var.nameToken.str + ' violates naming convention')
if RE_FUNCTIONNAME:
for scope in cfg.scopes:
if scope.type == 'Function':
res = re.match(RE_FUNCTIONNAME, scope.className)
if not res:
reportError(
scope.bodyStart, 'style', 'Function ' + scope.className + ' violates naming convention')