text: /*
   * This file is part of the Micro Python project, http://micropython.org/
   *
   * The MIT License (MIT)
   *
   * Copyright (c) 2013, 2014 Damien P. George
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   */
  
  #include <stdio.h>
  #include <assert.h>
  
  #include "py/nlr.h"
  #include "py/smallint.h"
  #include "py/objint.h"
  #include "py/objstr.h"
  #include "py/objtype.h"
  #include "py/runtime0.h"
  #include "py/runtime.h"
  #include "py/builtin.h"
  #include "py/stream.h"
  
  #if MICROPY_PY_BUILTINS_FLOAT
  #include <math.h>
  #endif
  
  #if MICROPY_PY_IO
  extern struct _mp_dummy_t mp_sys_stdout_obj; // type is irrelevant, just need pointer
  #endif
  
  // args[0] is function from class body
  // args[1] is class name
  // args[2:] are base objects
  STATIC mp_obj_t mp_builtin___build_class__(mp_uint_t n_args, const mp_obj_t *args) {
      assert(2 <= n_args);
  
      // set the new classes __locals__ object
      mp_obj_dict_t *old_locals = mp_locals_get();
      mp_obj_t class_locals = mp_obj_new_dict(0);
      mp_locals_set(MP_OBJ_TO_PTR(class_locals));
  
      // call the class code
      mp_obj_t cell = mp_call_function_0(args[0]);
  
      // restore old __locals__ object
      mp_locals_set(old_locals);
  
      // get the class type (meta object) from the base objects
      mp_obj_t meta;
      if (n_args == 2) {
          // no explicit bases, so use 'type'
          meta = MP_OBJ_FROM_PTR(&mp_type_type);
      } else {
          // use type of first base object
          meta = MP_OBJ_FROM_PTR(mp_obj_get_type(args[2]));
      }
  
      // TODO do proper metaclass resolution for multiple base objects
  
      // create the new class using a call to the meta object
      mp_obj_t meta_args[3];
      meta_args[0] = args[1]; // class name
      meta_args[1] = mp_obj_new_tuple(n_args - 2, args + 2); // tuple of bases
      meta_args[2] = class_locals; // dict of members
      mp_obj_t new_class = mp_call_function_n_kw(meta, 3, 0, meta_args);
  
      // store into cell if neede
      if (cell != mp_const_none) {
          mp_obj_cell_set(cell, new_class);
      }
  
      return new_class;
  }
  MP_DEFINE_CONST_FUN_OBJ_VAR(mp_builtin___build_class___obj, 2, mp_builtin___build_class__);
  
  STATIC mp_obj_t mp_builtin_abs(mp_obj_t o_in) {
      if (0) {
          // dummy
  #if MICROPY_PY_BUILTINS_FLOAT
      } else if (mp_obj_is_float(o_in)) {
          mp_float_t value = mp_obj_float_get(o_in);
          // TODO check for NaN etc
          if (value < 0) {
              return mp_obj_new_float(-value);
          } else {
              return o_in;
          }
  #if MICROPY_PY_BUILTINS_COMPLEX
      } else if (MP_OBJ_IS_TYPE(o_in, &mp_type_complex)) {
          mp_float_t real, imag;
          mp_obj_complex_get(o_in, &real, &imag);
          return mp_obj_new_float(MICROPY_FLOAT_C_FUN(sqrt)(real*real + imag*imag));
  #endif
  #endif
      } else {
          // this will raise a TypeError if the argument is not integral
          return mp_obj_int_abs(o_in);
      }
  }
  MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_abs_obj, mp_builtin_abs);
  
  STATIC mp_obj_t mp_builtin_all(mp_obj_t o_in) {
      mp_obj_t iterable = mp_getiter(o_in);
      mp_obj_t item;
      while ((item = mp_iternext(iterable)) != MP_OBJ_STOP_ITERATION) {
          if (!mp_obj_is_true(item)) {
              return mp_const_false;
          }
      }
      return mp_const_true;
  }
  MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_all_obj, mp_builtin_all);
  
  STATIC mp_obj_t mp_builtin_any(mp_obj_t o_in) {
      mp_obj_t iterable = mp_getiter(o_in);
      mp_obj_t item;
      while ((item = mp_iternext(iterable)) != MP_OBJ_STOP_ITERATION) {
          if (mp_obj_is_true(item)) {
              return mp_const_true;
          }
      }
      return mp_const_false;
  }
  MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_any_obj, mp_builtin_any);
  
  STATIC mp_obj_t mp_builtin_bin(mp_obj_t o_in) {
      mp_obj_t args[] = { MP_OBJ_NEW_QSTR(MP_QSTR__brace_open__colon__hash_b_brace_close_), o_in };
      return mp_obj_str_format(MP_ARRAY_SIZE(args), args, NULL);
  }
  MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_bin_obj, mp_builtin_bin);
  
  STATIC mp_obj_t mp_builtin_callable(mp_obj_t o_in) {
      if (mp_obj_is_callable(o_in)) {
          return mp_const_true;
      } else {
          return mp_const_false;
      }
  }
  MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_callable_obj, mp_builtin_callable);
  
  STATIC mp_obj_t mp_builtin_chr(mp_obj_t o_in) {
      #if MICROPY_PY_BUILTINS_STR_UNICODE
      mp_uint_t c = mp_obj_get_int(o_in);
      char str[4];
      int len = 0;
      if (c < 0x80) {
          *str = c; len = 1;
      } else if (c < 0x800) {
          str[0] = (c >> 6) | 0xC0;
          str[1] = (c & 0x3F) | 0x80;
          len = 2;
      } else if (c < 0x10000) {
          str[0] = (c >> 12) | 0xE0;
          str[1] = ((c >> 6) & 0x3F) | 0x80;
          str[2] = (c & 0x3F) | 0x80;
          len = 3;
      } else if (c < 0x110000) {
          str[0] = (c >> 18) | 0xF0;
          str[1] = ((c >> 12) & 0x3F) | 0x80;
          str[2] = ((c >> 6) & 0x3F) | 0x80;
          str[3] = (c & 0x3F) | 0x80;
          len = 4;
      } else {
          nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "chr() arg not in range(0x110000)"));
      }
      return mp_obj_new_str(str, len, true);
      #else
      mp_int_t ord = mp_obj_get_int(o_in);
      if (0 <= ord && ord <= 0xff) {
          char str[1] = {ord};
          return mp_obj_new_str(str, 1, true);
      } else {
          nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "chr() arg not in range(256)"));
      }
      #endif
  }
  MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_chr_obj, mp_builtin_chr);
  
  STATIC mp_obj_t mp_builtin_dir(mp_uint_t n_args, const mp_obj_t *args) {
      // TODO make this function more general and less of a hack
  
      mp_obj_dict_t *dict = NULL;
      mp_map_t *members = NULL;
      if (n_args == 0) {
          // make a list of names in the local name space
          dict = mp_locals_get();
      } else { // n_args == 1
          // make a list of names in the given object
          if (MP_OBJ_IS_TYPE(args[0], &mp_type_module)) {
              dict = mp_obj_module_get_globals(args[0]);
          } else {
              mp_obj_type_t *type;
              if (MP_OBJ_IS_TYPE(args[0], &mp_type_type)) {
                  type = MP_OBJ_TO_PTR(args[0]);
              } else {
                  type = mp_obj_get_type(args[0]);
              }
              if (type->locals_dict != NULL && type->locals_dict->base.type == &mp_type_dict) {
                  dict = type->locals_dict;
              }
          }
          if (mp_obj_is_instance_type(mp_obj_get_type(args[0]))) {
              mp_obj_instance_t *inst = MP_OBJ_TO_PTR(args[0]);
              members = &inst->members;
          }
      }
  
      mp_obj_t dir = mp_obj_new_list(0, NULL);
      if (dict != NULL) {
          for (mp_uint_t i = 0; i < dict->map.alloc; i++) {
              if (MP_MAP_SLOT_IS_FILLED(&dict->map, i)) {
                  mp_obj_list_append(dir, dict->map.table[i].key);
              }
          }
      }
      if (members != NULL) {
          for (mp_uint_t i = 0; i < members->alloc; i++) {
              if (MP_MAP_SLOT_IS_FILLED(members, i)) {
                  mp_obj_list_append(dir, members->table[i].key);
              }
          }
      }
      return dir;
  }
  MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_dir_obj, 0, 1, mp_builtin_dir);
  
  STATIC mp_obj_t mp_builtin_divmod(mp_obj_t o1_in, mp_obj_t o2_in) {
      return mp_binary_op(MP_BINARY_OP_DIVMOD, o1_in, o2_in);
  }
  MP_DEFINE_CONST_FUN_OBJ_2(mp_builtin_divmod_obj, mp_builtin_divmod);
  
  STATIC mp_obj_t mp_builtin_hash(mp_obj_t o_in) {
      // result is guaranteed to be a (small) int
      return mp_unary_op(MP_UNARY_OP_HASH, o_in);
  }
  MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_hash_obj, mp_builtin_hash);
  
  STATIC mp_obj_t mp_builtin_hex(mp_obj_t o_in) {
      return mp_binary_op(MP_BINARY_OP_MODULO, MP_OBJ_NEW_QSTR(MP_QSTR__percent__hash_x), o_in);
  }
  MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_hex_obj, mp_builtin_hex);
  
  STATIC mp_obj_t mp_builtin_iter(mp_obj_t o_in) {
      return mp_getiter(o_in);
  }
  MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_iter_obj, mp_builtin_iter);
  
  #if MICROPY_PY_BUILTINS_MIN_MAX
  
  STATIC mp_obj_t mp_builtin_min_max(mp_uint_t n_args, const mp_obj_t *args, mp_map_t *kwargs, mp_uint_t op) {
      mp_map_elem_t *key_elem = mp_map_lookup(kwargs, MP_OBJ_NEW_QSTR(MP_QSTR_key), MP_MAP_LOOKUP);
      mp_map_elem_t *default_elem;
      mp_obj_t key_fn = key_elem == NULL ? MP_OBJ_NULL : key_elem->value;
      if (n_args == 1) {
          // given an iterable
          mp_obj_t iterable = mp_getiter(args[0]);
          mp_obj_t best_key = MP_OBJ_NULL;
          mp_obj_t best_obj = MP_OBJ_NULL;
          mp_obj_t item;
          while ((item = mp_iternext(iterable)) != MP_OBJ_STOP_ITERATION) {
              mp_obj_t key = key_fn == MP_OBJ_NULL ? item : mp_call_function_1(key_fn, item);
              if (best_obj == MP_OBJ_NULL || (mp_binary_op(op, key, best_key) == mp_const_true)) {
                  best_key = key;
                  best_obj = item;
              }
          }
          if (best_obj == MP_OBJ_NULL) {
              default_elem = mp_map_lookup(kwargs, MP_OBJ_NEW_QSTR(MP_QSTR_default), MP_MAP_LOOKUP);
              if (default_elem != NULL) {
                  best_obj = default_elem->value;
              } else {
                  nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "arg is an empty sequence"));
              }
          }
          return best_obj;
      } else {
          // given many args
          mp_obj_t best_key = MP_OBJ_NULL;
          mp_obj_t best_obj = MP_OBJ_NULL;
          for (mp_uint_t i = 0; i < n_args; i++) {
              mp_obj_t key = key_fn == MP_OBJ_NULL ? args[i] : mp_call_function_1(key_fn, args[i]);
              if (best_obj == MP_OBJ_NULL || (mp_binary_op(op, key, best_key) == mp_const_true)) {
                  best_key = key;
                  best_obj = args[i];
              }
          }
          return best_obj;
      }
  }
  
  STATIC mp_obj_t mp_builtin_max(mp_uint_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
      return mp_builtin_min_max(n_args, args, kwargs, MP_BINARY_OP_MORE);
  }
  MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_max_obj, 1, mp_builtin_max);
  
  STATIC mp_obj_t mp_builtin_min(mp_uint_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
      return mp_builtin_min_max(n_args, args, kwargs, MP_BINARY_OP_LESS);
  }
  MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_min_obj, 1, mp_builtin_min);
  
  #endif
  
  STATIC mp_obj_t mp_builtin_next(mp_obj_t o) {
      mp_obj_t ret = mp_iternext_allow_raise(o);
      if (ret == MP_OBJ_STOP_ITERATION) {
          nlr_raise(mp_obj_new_exception(&mp_type_StopIteration));
      } else {
          return ret;
      }
  }
  MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_next_obj, mp_builtin_next);
  
  STATIC mp_obj_t mp_builtin_oct(mp_obj_t o_in) {
      return mp_binary_op(MP_BINARY_OP_MODULO, MP_OBJ_NEW_QSTR(MP_QSTR__percent__hash_o), o_in);
  }
  MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_oct_obj, mp_builtin_oct);
  
  STATIC mp_obj_t mp_builtin_ord(mp_obj_t o_in) {
      mp_uint_t len;
      const char *str = mp_obj_str_get_data(o_in, &len);
      #if MICROPY_PY_BUILTINS_STR_UNICODE
      if (MP_OBJ_IS_STR(o_in)) {
          len = unichar_charlen(str, len);
          if (len == 1) {
              if (!UTF8_IS_NONASCII(*str)) {
                  goto return_first_byte;
              }
              mp_int_t ord = *str++ & 0x7F;
              for (mp_int_t mask = 0x40; ord & mask; mask >>= 1) {
                  ord &= ~mask;
              }
              while (UTF8_IS_CONT(*str)) {
                  ord = (ord << 6) | (*str++ & 0x3F);
              }
              return mp_obj_new_int(ord);
          }
      } else {
          // a bytes object
          if (len == 1) {
          return_first_byte:
              return MP_OBJ_NEW_SMALL_INT(((const byte*)str)[0]);
          }
      }
      #else
      if (len == 1) {
          // don't sign extend when converting to ord
          return mp_obj_new_int(((const byte*)str)[0]);
      }
      #endif
  
      if (MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_TERSE) {
          nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError,
              "ord expects a character"));
      } else {
          nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError,
              "ord() expected a character, but string of length %d found", len));
      }
  }
  MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_ord_obj, mp_builtin_ord);
  
  STATIC mp_obj_t mp_builtin_pow(mp_uint_t n_args, const mp_obj_t *args) {
      assert(2 <= n_args && n_args <= 3);
      switch (n_args) {
          case 2: return mp_binary_op(MP_BINARY_OP_POWER, args[0], args[1]);
          default: return mp_binary_op(MP_BINARY_OP_MODULO, mp_binary_op(MP_BINARY_OP_POWER, args[0], args[1]), args[2]); // TODO optimise...
      }
  }
  MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_pow_obj, 2, 3, mp_builtin_pow);
  
  STATIC mp_obj_t mp_builtin_print(mp_uint_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
      mp_map_elem_t *sep_elem = mp_map_lookup(kwargs, MP_OBJ_NEW_QSTR(MP_QSTR_sep), MP_MAP_LOOKUP);
      mp_map_elem_t *end_elem = mp_map_lookup(kwargs, MP_OBJ_NEW_QSTR(MP_QSTR_end), MP_MAP_LOOKUP);
      const char *sep_data = " ";
      mp_uint_t sep_len = 1;
      const char *end_data = "\n";
      mp_uint_t end_len = 1;
      if (sep_elem != NULL && sep_elem->value != mp_const_none) {
          sep_data = mp_obj_str_get_data(sep_elem->value, &sep_len);
      }
      if (end_elem != NULL && end_elem->value != mp_const_none) {
          end_data = mp_obj_str_get_data(end_elem->value, &end_len);
      }
      #if MICROPY_PY_IO
      void *stream_obj = &mp_sys_stdout_obj;
      mp_map_elem_t *file_elem = mp_map_lookup(kwargs, MP_OBJ_NEW_QSTR(MP_QSTR_file), MP_MAP_LOOKUP);
      if (file_elem != NULL && file_elem->value != mp_const_none) {
          stream_obj = MP_OBJ_TO_PTR(file_elem->value); // XXX may not be a concrete object
      }
  
      mp_print_t print = {stream_obj, mp_stream_write_adaptor};
      #endif
      for (mp_uint_t i = 0; i < n_args; i++) {
          if (i > 0) {
              #if MICROPY_PY_IO
              mp_stream_write_adaptor(stream_obj, sep_data, sep_len);
              #else
              mp_print_strn(&mp_plat_print, sep_data, sep_len, 0, 0, 0);
              #endif
          }
          #if MICROPY_PY_IO
          mp_obj_print_helper(&print, args[i], PRINT_STR);
          #else
          mp_obj_print_helper(&mp_plat_print, args[i], PRINT_STR);
          #endif
      }
      #if MICROPY_PY_IO
      mp_stream_write_adaptor(stream_obj, end_data, end_len);
      #else
      mp_print_strn(&mp_plat_print, end_data, end_len, 0, 0, 0);
      #endif
      return mp_const_none;
  }
  MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_print_obj, 0, mp_builtin_print);
  
  STATIC mp_obj_t mp_builtin___repl_print__(mp_obj_t o) {
      if (o != mp_const_none) {
          #if MICROPY_PY_IO
          mp_obj_print_helper(&mp_sys_stdout_print, o, PRINT_REPR);
          mp_print_str(&mp_sys_stdout_print, "\n");
          #else
          mp_obj_print_helper(&mp_plat_print, o, PRINT_REPR);
          mp_print_str(&mp_plat_print, "\n");
          #endif
          #if MICROPY_CAN_OVERRIDE_BUILTINS
          mp_obj_t dest[2] = {MP_OBJ_SENTINEL, o};
          mp_type_module.attr(MP_OBJ_FROM_PTR(&mp_module_builtins), MP_QSTR__, dest);
          #endif
      }
      return mp_const_none;
  }
  MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin___repl_print___obj, mp_builtin___repl_print__);
  
  STATIC mp_obj_t mp_builtin_repr(mp_obj_t o_in) {
      vstr_t vstr;
      mp_print_t print;
      vstr_init_print(&vstr, 16, &print);
      mp_obj_print_helper(&print, o_in, PRINT_REPR);
      return mp_obj_new_str_from_vstr(&mp_type_str, &vstr);
  }
  MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_repr_obj, mp_builtin_repr);
  
  STATIC mp_obj_t mp_builtin_round(mp_uint_t n_args, const mp_obj_t *args) {
      mp_obj_t o_in = args[0];
      if (MP_OBJ_IS_INT(o_in)) {
          return o_in;
      }
  #if MICROPY_PY_BUILTINS_FLOAT
      mp_int_t num_dig = 0;
      if (n_args > 1) {
          num_dig = mp_obj_get_int(args[1]);
          mp_float_t val = mp_obj_get_float(o_in);
          mp_float_t mult = MICROPY_FLOAT_C_FUN(pow)(10, num_dig);
          // TODO may lead to overflow
          mp_float_t rounded = MICROPY_FLOAT_C_FUN(round)(val * mult) / mult;
          return mp_obj_new_float(rounded);
      }
      mp_float_t val = mp_obj_get_float(o_in);
      mp_float_t rounded = MICROPY_FLOAT_C_FUN(round)(val);
      mp_int_t r = rounded;
      // make rounded value even if it was halfway between ints
      if (val - rounded == 0.5) {
          r = (r + 1) & (~1);
      } else if (val - rounded == -0.5) {
          r &= ~1;
      }
      if (n_args > 1) {
          return mp_obj_new_float(r);
      }
  #else
      mp_int_t r = mp_obj_get_int(o_in);
  #endif
      return mp_obj_new_int(r);
  }
  MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_round_obj, 1, 2, mp_builtin_round);
  
  STATIC mp_obj_t mp_builtin_sum(mp_uint_t n_args, const mp_obj_t *args) {
      assert(1 <= n_args && n_args <= 2);
      mp_obj_t value;
      switch (n_args) {
          case 1: value = MP_OBJ_NEW_SMALL_INT(0); break;
          default: value = args[1]; break;
      }
      mp_obj_t iterable = mp_getiter(args[0]);
      mp_obj_t item;
      while ((item = mp_iternext(iterable)) != MP_OBJ_STOP_ITERATION) {
          value = mp_binary_op(MP_BINARY_OP_ADD, value, item);
      }
      return value;
  }
  MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_sum_obj, 1, 2, mp_builtin_sum);
  
  STATIC mp_obj_t mp_builtin_sorted(mp_uint_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
      assert(n_args >= 1);
      if (n_args > 1) {
          nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError,
                                            "must use keyword argument for key function"));
      }
      mp_obj_t self = mp_type_list.make_new(MP_OBJ_FROM_PTR(&mp_type_list), 1, 0, args);
      mp_obj_list_sort(1, &self, kwargs);
  
      return self;
  }
  MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_sorted_obj, 1, mp_builtin_sorted);
  
  // See mp_load_attr() if making any changes
  STATIC inline mp_obj_t mp_load_attr_default(mp_obj_t base, qstr attr, mp_obj_t defval) {
      mp_obj_t dest[2];
      // use load_method, raising or not raising exception
      ((defval == MP_OBJ_NULL) ? mp_load_method : mp_load_method_maybe)(base, attr, dest);
      if (dest[0] == MP_OBJ_NULL) {
          return defval;
      } else if (dest[1] == MP_OBJ_NULL) {
          // load_method returned just a normal attribute
          return dest[0];
      } else {
          // load_method returned a method, so build a bound method object
          return mp_obj_new_bound_meth(dest[0], dest[1]);
      }
  }
  
  STATIC mp_obj_t mp_builtin_getattr(mp_uint_t n_args, const mp_obj_t *args) {
      mp_obj_t defval = MP_OBJ_NULL;
      if (n_args > 2) {
          defval = args[2];
      }
      return mp_load_attr_default(args[0], mp_obj_str_get_qstr(args[1]), defval);
  }
  MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_getattr_obj, 2, 3, mp_builtin_getattr);
  
  STATIC mp_obj_t mp_builtin_setattr(mp_obj_t base, mp_obj_t attr, mp_obj_t value) {
      mp_store_attr(base, mp_obj_str_get_qstr(attr), value);
      return mp_const_none;
  }
  MP_DEFINE_CONST_FUN_OBJ_3(mp_builtin_setattr_obj, mp_builtin_setattr);
  
  STATIC mp_obj_t mp_builtin_hasattr(mp_obj_t object_in, mp_obj_t attr_in) {
      qstr attr = mp_obj_str_get_qstr(attr_in);
  
      mp_obj_t dest[2];
      // TODO: https://docs.python.org/3/library/functions.html?highlight=hasattr#hasattr
      // explicitly says "This is implemented by calling getattr(object, name) and seeing
      // whether it raises an AttributeError or not.", so we should explicitly wrap this
      // in nlr_push and handle exception.
      mp_load_method_maybe(object_in, attr, dest);
  
      return mp_obj_new_bool(dest[0] != MP_OBJ_NULL);
  }
  MP_DEFINE_CONST_FUN_OBJ_2(mp_builtin_hasattr_obj, mp_builtin_hasattr);
  
  STATIC mp_obj_t mp_builtin_globals(void) {
      return MP_OBJ_FROM_PTR(mp_globals_get());
  }
  MP_DEFINE_CONST_FUN_OBJ_0(mp_builtin_globals_obj, mp_builtin_globals);
  
  STATIC mp_obj_t mp_builtin_locals(void) {
      return MP_OBJ_FROM_PTR(mp_locals_get());
  }
  MP_DEFINE_CONST_FUN_OBJ_0(mp_builtin_locals_obj, mp_builtin_locals);
  
  // These are defined in terms of MicroPython API functions right away
  MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_id_obj, mp_obj_id);
  MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_len_obj, mp_obj_len);
  
  STATIC const mp_rom_map_elem_t mp_module_builtins_globals_table[] = {
      // built-in core functions
      { MP_ROM_QSTR(MP_QSTR___build_class__), MP_ROM_PTR(&mp_builtin___build_class___obj) },
      { MP_ROM_QSTR(MP_QSTR___import__), MP_ROM_PTR(&mp_builtin___import___obj) },
      { MP_ROM_QSTR(MP_QSTR___repl_print__), MP_ROM_PTR(&mp_builtin___repl_print___obj) },
  
      // built-in types
      { MP_ROM_QSTR(MP_QSTR_bool), MP_ROM_PTR(&mp_type_bool) },
      { MP_ROM_QSTR(MP_QSTR_bytes), MP_ROM_PTR(&mp_type_bytes) },
      #if MICROPY_PY_BUILTINS_BYTEARRAY
      { MP_ROM_QSTR(MP_QSTR_bytearray), MP_ROM_PTR(&mp_type_bytearray) },
      #endif
      #if MICROPY_PY_BUILTINS_COMPLEX
      { MP_ROM_QSTR(MP_QSTR_complex), MP_ROM_PTR(&mp_type_complex) },
      #endif
      { MP_ROM_QSTR(MP_QSTR_dict), MP_ROM_PTR(&mp_type_dict) },
      #if MICROPY_PY_BUILTINS_ENUMERATE
      { MP_ROM_QSTR(MP_QSTR_enumerate), MP_ROM_PTR(&mp_type_enumerate) },
      #endif
      #if MICROPY_PY_BUILTINS_FILTER
      { MP_ROM_QSTR(MP_QSTR_filter), MP_ROM_PTR(&mp_type_filter) },
      #endif
      #if MICROPY_PY_BUILTINS_FLOAT
      { MP_ROM_QSTR(MP_QSTR_float), MP_ROM_PTR(&mp_type_float) },
      #endif
      #if MICROPY_PY_BUILTINS_SET && MICROPY_PY_BUILTINS_FROZENSET
      { MP_ROM_QSTR(MP_QSTR_frozenset), MP_ROM_PTR(&mp_type_frozenset) },
      #endif
      { MP_ROM_QSTR(MP_QSTR_int), MP_ROM_PTR(&mp_type_int) },
      { MP_ROM_QSTR(MP_QSTR_list), MP_ROM_PTR(&mp_type_list) },
      { MP_ROM_QSTR(MP_QSTR_map), MP_ROM_PTR(&mp_type_map) },
      #if MICROPY_PY_BUILTINS_MEMORYVIEW
      { MP_ROM_QSTR(MP_QSTR_memoryview), MP_ROM_PTR(&mp_type_memoryview) },
      #endif
      { MP_ROM_QSTR(MP_QSTR_object), MP_ROM_PTR(&mp_type_object) },
      #if MICROPY_PY_BUILTINS_PROPERTY
      { MP_ROM_QSTR(MP_QSTR_property), MP_ROM_PTR(&mp_type_property) },
      #endif
      { MP_ROM_QSTR(MP_QSTR_range), MP_ROM_PTR(&mp_type_range) },
      #if MICROPY_PY_BUILTINS_REVERSED
      { MP_ROM_QSTR(MP_QSTR_reversed), MP_ROM_PTR(&mp_type_reversed) },
      #endif
      #if MICROPY_PY_BUILTINS_SET
      { MP_ROM_QSTR(MP_QSTR_set), MP_ROM_PTR(&mp_type_set) },
      #endif
      { MP_ROM_QSTR(MP_QSTR_str), MP_ROM_PTR(&mp_type_str) },
      { MP_ROM_QSTR(MP_QSTR_super), MP_ROM_PTR(&mp_type_super) },
      { MP_ROM_QSTR(MP_QSTR_tuple), MP_ROM_PTR(&mp_type_tuple) },
      { MP_ROM_QSTR(MP_QSTR_type), MP_ROM_PTR(&mp_type_type) },
      { MP_ROM_QSTR(MP_QSTR_zip), MP_ROM_PTR(&mp_type_zip) },
  
      { MP_ROM_QSTR(MP_QSTR_classmethod), MP_ROM_PTR(&mp_type_classmethod) },
      { MP_ROM_QSTR(MP_QSTR_staticmethod), MP_ROM_PTR(&mp_type_staticmethod) },
  
      // built-in objects
      { MP_ROM_QSTR(MP_QSTR_Ellipsis), MP_ROM_PTR(&mp_const_ellipsis_obj) },
      #if MICROPY_PY_BUILTINS_NOTIMPLEMENTED
      { MP_ROM_QSTR(MP_QSTR_NotImplemented), MP_ROM_PTR(&mp_const_notimplemented_obj) },
      #endif
  
      // built-in user functions
      { MP_ROM_QSTR(MP_QSTR_abs), MP_ROM_PTR(&mp_builtin_abs_obj) },
      { MP_ROM_QSTR(MP_QSTR_all), MP_ROM_PTR(&mp_builtin_all_obj) },
      { MP_ROM_QSTR(MP_QSTR_any), MP_ROM_PTR(&mp_builtin_any_obj) },
      { MP_ROM_QSTR(MP_QSTR_bin), MP_ROM_PTR(&mp_builtin_bin_obj) },
      { MP_ROM_QSTR(MP_QSTR_callable), MP_ROM_PTR(&mp_builtin_callable_obj) },
      #if MICROPY_PY_BUILTINS_COMPILE
      { MP_ROM_QSTR(MP_QSTR_compile), MP_ROM_PTR(&mp_builtin_compile_obj) },
      #endif
      { MP_ROM_QSTR(MP_QSTR_chr), MP_ROM_PTR(&mp_builtin_chr_obj) },
      { MP_ROM_QSTR(MP_QSTR_dir), MP_ROM_PTR(&mp_builtin_dir_obj) },
      { MP_ROM_QSTR(MP_QSTR_divmod), MP_ROM_PTR(&mp_builtin_divmod_obj) },
      #if MICROPY_PY_BUILTINS_EVAL_EXEC
      { MP_ROM_QSTR(MP_QSTR_eval), MP_ROM_PTR(&mp_builtin_eval_obj) },
      { MP_ROM_QSTR(MP_QSTR_exec), MP_ROM_PTR(&mp_builtin_exec_obj) },
      #endif
      #if MICROPY_PY_BUILTINS_EXECFILE
      { MP_ROM_QSTR(MP_QSTR_execfile), MP_ROM_PTR(&mp_builtin_execfile_obj) },
      #endif
      { MP_ROM_QSTR(MP_QSTR_getattr), MP_ROM_PTR(&mp_builtin_getattr_obj) },
      { MP_ROM_QSTR(MP_QSTR_setattr), MP_ROM_PTR(&mp_builtin_setattr_obj) },
      { MP_ROM_QSTR(MP_QSTR_globals), MP_ROM_PTR(&mp_builtin_globals_obj) },
      { MP_ROM_QSTR(MP_QSTR_hasattr), MP_ROM_PTR(&mp_builtin_hasattr_obj) },
      { MP_ROM_QSTR(MP_QSTR_hash), MP_ROM_PTR(&mp_builtin_hash_obj) },
      { MP_ROM_QSTR(MP_QSTR_hex), MP_ROM_PTR(&mp_builtin_hex_obj) },
      { MP_ROM_QSTR(MP_QSTR_id), MP_ROM_PTR(&mp_builtin_id_obj) },
      { MP_ROM_QSTR(MP_QSTR_isinstance), MP_ROM_PTR(&mp_builtin_isinstance_obj) },
      { MP_ROM_QSTR(MP_QSTR_issubclass), MP_ROM_PTR(&mp_builtin_issubclass_obj) },
      { MP_ROM_QSTR(MP_QSTR_iter), MP_ROM_PTR(&mp_builtin_iter_obj) },
      { MP_ROM_QSTR(MP_QSTR_len), MP_ROM_PTR(&mp_builtin_len_obj) },
      { MP_ROM_QSTR(MP_QSTR_locals), MP_ROM_PTR(&mp_builtin_locals_obj) },
      #if MICROPY_PY_BUILTINS_MIN_MAX
      { MP_ROM_QSTR(MP_QSTR_max), MP_ROM_PTR(&mp_builtin_max_obj) },
      { MP_ROM_QSTR(MP_QSTR_min), MP_ROM_PTR(&mp_builtin_min_obj) },
      #endif
      { MP_ROM_QSTR(MP_QSTR_next), MP_ROM_PTR(&mp_builtin_next_obj) },
      { MP_ROM_QSTR(MP_QSTR_oct), MP_ROM_PTR(&mp_builtin_oct_obj) },
      { MP_ROM_QSTR(MP_QSTR_ord), MP_ROM_PTR(&mp_builtin_ord_obj) },
      { MP_ROM_QSTR(MP_QSTR_pow), MP_ROM_PTR(&mp_builtin_pow_obj) },
      { MP_ROM_QSTR(MP_QSTR_print), MP_ROM_PTR(&mp_builtin_print_obj) },
      { MP_ROM_QSTR(MP_QSTR_repr), MP_ROM_PTR(&mp_builtin_repr_obj) },
      { MP_ROM_QSTR(MP_QSTR_round), MP_ROM_PTR(&mp_builtin_round_obj) },
      { MP_ROM_QSTR(MP_QSTR_sorted), MP_ROM_PTR(&mp_builtin_sorted_obj) },
      { MP_ROM_QSTR(MP_QSTR_sum), MP_ROM_PTR(&mp_builtin_sum_obj) },
  
      // built-in exceptions
      { MP_ROM_QSTR(MP_QSTR_BaseException), MP_ROM_PTR(&mp_type_BaseException) },
      { MP_ROM_QSTR(MP_QSTR_ArithmeticError), MP_ROM_PTR(&mp_type_ArithmeticError) },
      { MP_ROM_QSTR(MP_QSTR_AssertionError), MP_ROM_PTR(&mp_type_AssertionError) },
      { MP_ROM_QSTR(MP_QSTR_AttributeError), MP_ROM_PTR(&mp_type_AttributeError) },
      { MP_ROM_QSTR(MP_QSTR_EOFError), MP_ROM_PTR(&mp_type_EOFError) },
      { MP_ROM_QSTR(MP_QSTR_Exception), MP_ROM_PTR(&mp_type_Exception) },
      { MP_ROM_QSTR(MP_QSTR_GeneratorExit), MP_ROM_PTR(&mp_type_GeneratorExit) },
      { MP_ROM_QSTR(MP_QSTR_ImportError), MP_ROM_PTR(&mp_type_ImportError) },
      { MP_ROM_QSTR(MP_QSTR_IndentationError), MP_ROM_PTR(&mp_type_IndentationError) },
      { MP_ROM_QSTR(MP_QSTR_IndexError), MP_ROM_PTR(&mp_type_IndexError) },
      { MP_ROM_QSTR(MP_QSTR_KeyboardInterrupt), MP_ROM_PTR(&mp_type_KeyboardInterrupt) },
      { MP_ROM_QSTR(MP_QSTR_KeyError), MP_ROM_PTR(&mp_type_KeyError) },
      { MP_ROM_QSTR(MP_QSTR_LookupError), MP_ROM_PTR(&mp_type_LookupError) },
      { MP_ROM_QSTR(MP_QSTR_MemoryError), MP_ROM_PTR(&mp_type_MemoryError) },
      { MP_ROM_QSTR(MP_QSTR_NameError), MP_ROM_PTR(&mp_type_NameError) },
      { MP_ROM_QSTR(MP_QSTR_NotImplementedError), MP_ROM_PTR(&mp_type_NotImplementedError) },
      { MP_ROM_QSTR(MP_QSTR_OSError), MP_ROM_PTR(&mp_type_OSError) },
      { MP_ROM_QSTR(MP_QSTR_OverflowError), MP_ROM_PTR(&mp_type_OverflowError) },
      { MP_ROM_QSTR(MP_QSTR_RuntimeError), MP_ROM_PTR(&mp_type_RuntimeError) },
      { MP_ROM_QSTR(MP_QSTR_StopIteration), MP_ROM_PTR(&mp_type_StopIteration) },
      { MP_ROM_QSTR(MP_QSTR_SyntaxError), MP_ROM_PTR(&mp_type_SyntaxError) },
      { MP_ROM_QSTR(MP_QSTR_SystemExit), MP_ROM_PTR(&mp_type_SystemExit) },
      { MP_ROM_QSTR(MP_QSTR_TypeError), MP_ROM_PTR(&mp_type_TypeError) },
      #if MICROPY_PY_BUILTINS_STR_UNICODE
      { MP_ROM_QSTR(MP_QSTR_UnicodeError), MP_ROM_PTR(&mp_type_UnicodeError) },
      #endif
      { MP_ROM_QSTR(MP_QSTR_ValueError), MP_ROM_PTR(&mp_type_ValueError) },
      #if MICROPY_EMIT_NATIVE
      { MP_ROM_QSTR(MP_QSTR_ViperTypeError), MP_ROM_PTR(&mp_type_ViperTypeError) },
      #endif
      { MP_ROM_QSTR(MP_QSTR_ZeroDivisionError), MP_ROM_PTR(&mp_type_ZeroDivisionError) },
      // Somehow CPython managed to have OverflowError not inherit from ValueError ;-/
      // TODO: For MICROPY_CPYTHON_COMPAT==0 use ValueError to avoid exc proliferation
  
      // Extra builtins as defined by a port
      MICROPY_PORT_BUILTINS
  };
  
  MP_DEFINE_CONST_DICT(mp_module_builtins_globals, mp_module_builtins_globals_table);
  
  const mp_obj_module_t mp_module_builtins = {
      .base = { &mp_type_module },
      .name = MP_QSTR_builtins,
      .globals = (mp_obj_dict_t*)&mp_module_builtins_globals,
  };
  