text: /*
   * This file is part of the MicroPython project, http://micropython.org/
   *
   * The MIT License (MIT)
   *
   * Copyright (c) 2013, 2014 Damien P. George and 2017, 2018 Rami Ali
   *
   * 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 <stdint.h>
  
  // options to control how MicroPython is built
  
  // You can disable the built-in MicroPython compiler by setting the following
  // config option to 0.  If you do this then you won't get a REPL prompt, but you
  // will still be able to execute pre-compiled scripts, compiled with mpy-cross.
  #define MICROPY_ENABLE_COMPILER     (1)
  
  #define MICROPY_QSTR_BYTES_IN_HASH  (2)
  #define MICROPY_ALLOC_PATH_MAX      (256)
  #define MICROPY_ALLOC_PARSE_CHUNK_INIT (16)
  #define MICROPY_EMIT_X64            (0) // BROKEN
  #define MICROPY_EMIT_THUMB          (0) // BROKEN
  #define MICROPY_EMIT_INLINE_THUMB   (0)
  #define MICROPY_COMP_MODULE_CONST   (0)
  #define MICROPY_COMP_CONST          (1)
  #define MICROPY_COMP_DOUBLE_TUPLE_ASSIGN (1)
  #define MICROPY_COMP_TRIPLE_TUPLE_ASSIGN (0)
  #define MICROPY_MEM_STATS           (0) // BROKEN
  #define MICROPY_DEBUG_PRINTERS      (0)
  #define MICROPY_ENABLE_GC           (1)
  #define MICROPY_GC_ALLOC_THRESHOLD  (1)
  #define MICROPY_GC_USES_ALLOCATED_SIZE (1)
  #define MICROPY_REPL_EVENT_DRIVEN   (1)
  #define MICROPY_HELPER_REPL         (1)
  #define MICROPY_HELPER_LEXER_UNIX   (0)
  #define MICROPY_ENABLE_SOURCE_LINE  (1)
  #define MICROPY_ENABLE_DOC_STRING   (1)
  #define MICROPY_WARNINGS            (1)
  #define MICROPY_BUILTIN_METHOD_CHECK_SELF_ARG (1)
  #define MICROPY_PY_ASYNC_AWAIT      (1)
  #define MICROPY_PY_BUILTINS_BYTEARRAY (1)
  #define MICROPY_PY_BUILTINS_MEMORYVIEW (1)
  #define MICROPY_PY_BUILTINS_ENUMERATE (1)
  #define MICROPY_PY_BUILTINS_FILTER  (1)
  #define MICROPY_PY_BUILTINS_FROZENSET (1)
  #define MICROPY_PY_BUILTINS_REVERSED (1)
  #define MICROPY_PY_BUILTINS_SET     (1)
  #define MICROPY_PY_BUILTINS_SLICE   (1)
  #define MICROPY_PY_BUILTINS_PROPERTY (1)
  #define MICROPY_PY_BUILTINS_MIN_MAX (1)
  #define MICROPY_PY___FILE__         (1)
  #define MICROPY_PY_GC               (1)
  #define MICROPY_PY_ARRAY            (1)
  #define MICROPY_PY_ATTRTUPLE        (1)
  #define MICROPY_PY_COLLECTIONS      (1)
  #define MICROPY_PY_MATH             (1)
  #define MICROPY_PY_MATH_SPECIAL_FUNCTIONS (1)
  #define MICROPY_PY_MATH_ISCLOSE     (1)
  #define MICROPY_PY_CMATH            (1)
  #define MICROPY_PY_IO               (1)
  #define MICROPY_PY_STRUCT           (1)
  #define MICROPY_PY_SYS              (1)
  #define MICROPY_PY_SYS_MAXSIZE      (1)
  #define MICROPY_CPYTHON_COMPAT      (1)
  #define MICROPY_LONGINT_IMPL        (MICROPY_LONGINT_IMPL_MPZ)
  #define MICROPY_FLOAT_IMPL          (MICROPY_FLOAT_IMPL_DOUBLE)
  
  #define MICROPY_USE_INTERNAL_PRINTF (0)
  #define MICROPY_ENABLE_PYSTACK      (1)
  #define MICROPY_KBD_EXCEPTION       (1)
  #define MICROPY_PY_UTIME_MP_HAL     (1)
  #define MICROPY_REPL_AUTO_INDENT    (1)
  #define MICROPY_PY_FUNCTION_ATTRS   (1)
  #define MICROPY_PY_BUILTINS_STR_UNICODE (1)
  #define MICROPY_PY_BUILTINS_STR_CENTER (1)
  #define MICROPY_PY_BUILTINS_STR_PARTITION (1)
  #define MICROPY_PY_BUILTINS_STR_SPLITLINES (1)
  #define MICROPY_PY_BUILTINS_SLICE_ATTRS (1)
  #define MICROPY_PY_ALL_SPECIAL_METHODS (1)
  #define MICROPY_PY_BUILTINS_COMPILE (1)
  #define MICROPY_PY_BUILTINS_EXECFILE (1)
  #define MICROPY_PY_BUILTINS_INPUT (1)
  #define MICROPY_PY_BUILTINS_POW3 (1)
  #define MICROPY_PY_BUILTINS_HELP (1)
  #define MICROPY_PY_BUILTINS_HELP_MODULES (1)
  #define MICROPY_PY_MICROPYTHON_MEM_INFO (1)
  #define MICROPY_PY_ARRAY_SLICE_ASSIGN (1)
  #define MICROPY_PY_COLLECTIONS_ORDEREDDICT (1)
  #define MICROPY_PY_SYS_PLATFORM     "javascript"
  #define MICROPY_PY_UERRNO           (1)
  #define MICROPY_PY_UCTYPES          (1)
  #define MICROPY_PY_UZLIB            (1)
  #define MICROPY_PY_UJSON            (1)
  #define MICROPY_PY_URE              (1)
  #define MICROPY_PY_UHEAPQ           (1)
  #define MICROPY_PY_UHASHLIB         (1)
  #define MICROPY_PY_UBINASCII        (1)
  #define MICROPY_PY_URANDOM          (1)
  #define MICROPY_PY_URANDOM_EXTRA_FUNCS (1)
  #define MICROPY_PY_USELECT          (1)
  #define MICROPY_PY_FRAMEBUF         (1)
  #define MICROPY_STREAMS_NON_BLOCK   (1)
  #define MICROPY_MODULE_WEAK_LINKS   (1)
  #define MICROPY_CAN_OVERRIDE_BUILTINS (1)
  #define MICROPY_USE_INTERNAL_ERRNO  (1)
  #define MICROPY_ENABLE_SCHEDULER    (1)
  #define MICROPY_SCHEDULER_DEPTH     (1)
  
  #define MP_SSIZE_MAX (0x7fffffff)
  
  extern const struct _mp_obj_module_t mp_module_utime;
  
  #define MICROPY_PORT_BUILTIN_MODULES \
      { MP_ROM_QSTR(MP_QSTR_utime), MP_ROM_PTR(&mp_module_utime) }, \
  
  // #define MICROPY_EVENT_POLL_HOOK {ets_event_poll();}
  #if MICROPY_PY_THREAD
  #define MICROPY_EVENT_POLL_HOOK \
      do { \
          extern void mp_handle_pending(bool); \
          mp_handle_pending(true); \
          if (pyb_thread_enabled) { \
              MP_THREAD_GIL_EXIT(); \
              pyb_thread_yield(); \
              MP_THREAD_GIL_ENTER(); \
          } else { \
          } \
      } while (0);
  
  #define MICROPY_THREAD_YIELD() pyb_thread_yield()
  #else
  #define MICROPY_EVENT_POLL_HOOK \
      do { \
          extern void mp_handle_pending(bool); \
          mp_handle_pending(true); \
      } while (0);
  
  #define MICROPY_THREAD_YIELD()
  #endif
  
  #define MICROPY_VM_HOOK_COUNT (10)
  #define MICROPY_VM_HOOK_INIT static uint vm_hook_divisor = MICROPY_VM_HOOK_COUNT;
  #define MICROPY_VM_HOOK_POLL if (--vm_hook_divisor == 0) { \
          vm_hook_divisor = MICROPY_VM_HOOK_COUNT; \
          extern void mp_js_hook(void); \
          mp_js_hook(); \
  }
  #define MICROPY_VM_HOOK_LOOP MICROPY_VM_HOOK_POLL
  #define MICROPY_VM_HOOK_RETURN MICROPY_VM_HOOK_POLL
  
  // type definitions for the specific machine
  
  // #define MICROPY_MAKE_POINTER_CALLABLE(p) ((void*)((mp_uint_t)(p) | 1))
  
  // This port is intended to be 32-bit, but unfortunately, int32_t for
  // different targets may be defined in different ways - either as int
  // or as long. This requires different printf formatting specifiers
  // to print such value. So, we avoid int32_t and use int directly.
  #define UINT_FMT "%u"
  #define INT_FMT "%d"
  typedef int mp_int_t; // must be pointer size
  typedef unsigned mp_uint_t; // must be pointer size
  typedef long mp_off_t;
  
  // extra built in names to add to the global namespace
  #define MICROPY_PORT_BUILTINS \
      { MP_ROM_QSTR(MP_QSTR_open), MP_ROM_PTR(&mp_builtin_open_obj) },
  
  // We need to provide a declaration/definition of alloca()
  #include <alloca.h>
  
  #define MICROPY_HW_BOARD_NAME "JS"
  #define MICROPY_HW_MCU_NAME "Emscripten"
  
  #define MP_STATE_PORT MP_STATE_VM
  
  #define MICROPY_PORT_ROOT_POINTERS \
      const char *readline_hist[8];
  