void Init_generator(void)
{
    rb_require("json/common");

    mJSON = rb_define_module("JSON");
    mExt = rb_define_module_under(mJSON, "Ext");
    mGenerator = rb_define_module_under(mExt, "Generator");

    eGeneratorError = rb_path2class("JSON::GeneratorError");
    eNestingError = rb_path2class("JSON::NestingError");

    cState = rb_define_class_under(mGenerator, "State", rb_cObject);
    rb_define_alloc_func(cState, cState_s_allocate);
    rb_define_singleton_method(cState, "from_state", cState_from_state_s, 1);
    rb_define_method(cState, "initialize", cState_initialize, -1);
    rb_define_method(cState, "initialize_copy", cState_init_copy, 1);
    rb_define_method(cState, "indent", cState_indent, 0);
    rb_define_method(cState, "indent=", cState_indent_set, 1);
    rb_define_method(cState, "space", cState_space, 0);
    rb_define_method(cState, "space=", cState_space_set, 1);
    rb_define_method(cState, "space_before", cState_space_before, 0);
    rb_define_method(cState, "space_before=", cState_space_before_set, 1);
    rb_define_method(cState, "object_nl", cState_object_nl, 0);
    rb_define_method(cState, "object_nl=", cState_object_nl_set, 1);
    rb_define_method(cState, "array_nl", cState_array_nl, 0);
    rb_define_method(cState, "array_nl=", cState_array_nl_set, 1);
    rb_define_method(cState, "max_nesting", cState_max_nesting, 0);
    rb_define_method(cState, "max_nesting=", cState_max_nesting_set, 1);
    rb_define_method(cState, "check_circular?", cState_check_circular_p, 0);
    rb_define_method(cState, "allow_nan?", cState_allow_nan_p, 0);
    rb_define_method(cState, "ascii_only?", cState_ascii_only_p, 0);
    rb_define_method(cState, "depth", cState_depth, 0);
    rb_define_method(cState, "depth=", cState_depth_set, 1);
    rb_define_method(cState, "buffer_initial_length", cState_buffer_initial_length, 0);
    rb_define_method(cState, "buffer_initial_length=", cState_buffer_initial_length_set, 1);
    rb_define_method(cState, "configure", cState_configure, 1);
    rb_define_alias(cState, "merge", "configure");
    rb_define_method(cState, "to_h", cState_to_h, 0);
    rb_define_alias(cState, "to_hash", "to_h");
    rb_define_method(cState, "[]", cState_aref, 1);
    rb_define_method(cState, "[]=", cState_aset, 2);
    rb_define_method(cState, "generate", cState_generate, 1);

    mGeneratorMethods = rb_define_module_under(mGenerator, "GeneratorMethods");
    mObject = rb_define_module_under(mGeneratorMethods, "Object");
    rb_define_method(mObject, "to_json", mObject_to_json, -1);
    mHash = rb_define_module_under(mGeneratorMethods, "Hash");
    rb_define_method(mHash, "to_json", mHash_to_json, -1);
    mArray = rb_define_module_under(mGeneratorMethods, "Array");
    rb_define_method(mArray, "to_json", mArray_to_json, -1);
#ifdef RUBY_INTEGER_UNIFICATION
    mInteger = rb_define_module_under(mGeneratorMethods, "Integer");
    rb_define_method(mInteger, "to_json", mInteger_to_json, -1);
#else
    mFixnum = rb_define_module_under(mGeneratorMethods, "Fixnum");
    rb_define_method(mFixnum, "to_json", mFixnum_to_json, -1);
    mBignum = rb_define_module_under(mGeneratorMethods, "Bignum");
    rb_define_method(mBignum, "to_json", mBignum_to_json, -1);
#endif
    mFloat = rb_define_module_under(mGeneratorMethods, "Float");
    rb_define_method(mFloat, "to_json", mFloat_to_json, -1);
    mString = rb_define_module_under(mGeneratorMethods, "String");
    rb_define_singleton_method(mString, "included", mString_included_s, 1);
    rb_define_method(mString, "to_json", mString_to_json, -1);
    rb_define_method(mString, "to_json_raw", mString_to_json_raw, -1);
    rb_define_method(mString, "to_json_raw_object", mString_to_json_raw_object, 0);
    mString_Extend = rb_define_module_under(mString, "Extend");
    rb_define_method(mString_Extend, "json_create", mString_Extend_json_create, 1);
    mTrueClass = rb_define_module_under(mGeneratorMethods, "TrueClass");
    rb_define_method(mTrueClass, "to_json", mTrueClass_to_json, -1);
    mFalseClass = rb_define_module_under(mGeneratorMethods, "FalseClass");
    rb_define_method(mFalseClass, "to_json", mFalseClass_to_json, -1);
    mNilClass = rb_define_module_under(mGeneratorMethods, "NilClass");
    rb_define_method(mNilClass, "to_json", mNilClass_to_json, -1);

    CRegexp_MULTILINE = rb_const_get(rb_cRegexp, rb_intern("MULTILINE"));
    i_to_s = rb_intern("to_s");
    i_to_json = rb_intern("to_json");
    i_new = rb_intern("new");
    i_indent = rb_intern("indent");
    i_space = rb_intern("space");
    i_space_before = rb_intern("space_before");
    i_object_nl = rb_intern("object_nl");
    i_array_nl = rb_intern("array_nl");
    i_max_nesting = rb_intern("max_nesting");
    i_allow_nan = rb_intern("allow_nan");
    i_ascii_only = rb_intern("ascii_only");
    i_depth = rb_intern("depth");
    i_buffer_initial_length = rb_intern("buffer_initial_length");
    i_pack = rb_intern("pack");
    i_unpack = rb_intern("unpack");
    i_create_id = rb_intern("create_id");
    i_extend = rb_intern("extend");
    i_key_p = rb_intern("key?");
    i_aref = rb_intern("[]");
    i_send = rb_intern("__send__");
    i_respond_to_p = rb_intern("respond_to?");
    i_match = rb_intern("match");
    i_keys = rb_intern("keys");
    i_dup = rb_intern("dup");
#ifdef HAVE_RUBY_ENCODING_H
    CEncoding_UTF_8 = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-8"));
    i_encoding = rb_intern("encoding");
    i_encode = rb_intern("encode");
#endif
    i_SAFE_STATE_PROTOTYPE = rb_intern("SAFE_STATE_PROTOTYPE");
    CJSON_SAFE_STATE_PROTOTYPE = Qnil;
}