#!/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_FUNCTIONNAME = None

for arg in sys.argv[1:]:

    if arg[:6] == '--var=':

        RE_VARNAME = arg[6:]

    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:]:

    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)

                if not res:

                    reportError(var.typeStartToken, 'style', '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.classStart, 'style', 'Function ' + scope.className + ' violates naming convention')