# Test anonymous_oneof generator option

Import('env')

import re

match = None
if 'PROTOC_VERSION' in env:
    match = re.search('([0-9]+).([0-9]+).([0-9]+)', env['PROTOC_VERSION'])

if match:
    version = list(map(int, match.groups()))

# Oneof is supported by protoc >= 2.6.0
if env.GetOption('clean') or (match and (version[0] > 2 or (version[0] == 2 and version[1] >= 6))):
    # Anonymous oneofs are supported by clang and gcc
    if 'clang' in env['CC'] or 'gcc' in env['CC']:
        env2 = env.Clone()
        if '-pedantic' in env2['CFLAGS']:
            env2['CFLAGS'].remove('-pedantic')
        env2.NanopbProto('oneof')

        dec = env2.Program(['decode_oneof.c',
                            'oneof.pb.c',
                            '$COMMON/pb_decode.o',
                            '$COMMON/pb_common.o'])

        env2.RunTest("message1.txt", [dec, '$BUILD/oneof/message1.pb'], ARGS = ['1'])
        env2.RunTest("message2.txt", [dec, '$BUILD/oneof/message2.pb'], ARGS = ['2'])
        env2.RunTest("message3.txt", [dec, '$BUILD/oneof/message3.pb'], ARGS = ['3'])