PythonExtra/py/obj.h
Daniel Campora 077812b2ab py: Add TimeoutError exception subclassed from OSError.
The TimeoutError is useful for some modules, specially the the
socket module. TimeoutError can then be alised to socket.timeout
and then Python code can differentiate between socket.error and
socket.timeout.
2015-07-02 11:53:08 +02:00

688 lines
32 KiB
C

/*
* 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.
*/
#ifndef __MICROPY_INCLUDED_PY_OBJ_H__
#define __MICROPY_INCLUDED_PY_OBJ_H__
#include "py/mpconfig.h"
#include "py/misc.h"
#include "py/qstr.h"
#include "py/mpprint.h"
// All Micro Python objects are at least this type
// It must be of pointer size
typedef machine_ptr_t mp_obj_t;
typedef machine_const_ptr_t mp_const_obj_t;
// Anything that wants to be a Micro Python object must have
// mp_obj_base_t as its first member (except small ints and qstrs)
struct _mp_obj_type_t;
struct _mp_obj_base_t {
const struct _mp_obj_type_t *type MICROPY_OBJ_BASE_ALIGNMENT;
};
typedef struct _mp_obj_base_t mp_obj_base_t;
// These fake objects are used to indicate certain things in arguments or return
// values, and should only be used when explicitly allowed.
//
// - MP_OBJ_NULL : used to indicate the absence of an object, or unsupported operation.
// - MP_OBJ_STOP_ITERATION : used instead of throwing a StopIteration, for efficiency.
// - MP_OBJ_SENTINEL : used for various internal purposes where one needs
// an object which is unique from all other objects, including MP_OBJ_NULL.
//
// For debugging purposes they are all different. For non-debug mode, we alias
// as many as we can to MP_OBJ_NULL because it's cheaper to load/compare 0.
#ifdef NDEBUG
#define MP_OBJ_NULL ((mp_obj_t)0)
#define MP_OBJ_STOP_ITERATION ((mp_obj_t)0)
#define MP_OBJ_SENTINEL ((mp_obj_t)4)
#else
#define MP_OBJ_NULL ((mp_obj_t)0)
#define MP_OBJ_STOP_ITERATION ((mp_obj_t)4)
#define MP_OBJ_SENTINEL ((mp_obj_t)8)
#endif
// These macros/inline functions operate on objects and depend on the
// particular object representation. They are used to query, pack and
// unpack small ints, qstrs and full object pointers.
#if MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_A
static inline bool MP_OBJ_IS_SMALL_INT(mp_const_obj_t o)
{ return ((((mp_int_t)(o)) & 1) != 0); }
#define MP_OBJ_SMALL_INT_VALUE(o) (((mp_int_t)(o)) >> 1)
#define MP_OBJ_NEW_SMALL_INT(small_int) ((mp_obj_t)((((mp_int_t)(small_int)) << 1) | 1))
static inline bool MP_OBJ_IS_QSTR(mp_const_obj_t o)
{ return ((((mp_int_t)(o)) & 3) == 2); }
#define MP_OBJ_QSTR_VALUE(o) (((mp_uint_t)(o)) >> 2)
#define MP_OBJ_NEW_QSTR(qst) ((mp_obj_t)((((mp_uint_t)(qst)) << 2) | 2))
static inline bool MP_OBJ_IS_OBJ(mp_const_obj_t o)
{ return ((((mp_int_t)(o)) & 3) == 0); }
#elif MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_B
static inline bool MP_OBJ_IS_SMALL_INT(mp_const_obj_t o)
{ return ((((mp_int_t)(o)) & 3) == 1); }
#define MP_OBJ_SMALL_INT_VALUE(o) (((mp_int_t)(o)) >> 2)
#define MP_OBJ_NEW_SMALL_INT(small_int) ((mp_obj_t)((((mp_int_t)(small_int)) << 2) | 1))
static inline bool MP_OBJ_IS_QSTR(mp_const_obj_t o)
{ return ((((mp_int_t)(o)) & 3) == 3); }
#define MP_OBJ_QSTR_VALUE(o) (((mp_uint_t)(o)) >> 2)
#define MP_OBJ_NEW_QSTR(qst) ((mp_obj_t)((((mp_uint_t)(qst)) << 2) | 3))
static inline bool MP_OBJ_IS_OBJ(mp_const_obj_t o)
{ return ((((mp_int_t)(o)) & 1) == 0); }
#endif
// Macros to convert between mp_obj_t and concrete object types.
// These are identity operations in MicroPython, but ability to override
// these operations are provided to experiment with other methods of
// object representation and memory management.
// Cast mp_obj_t to object pointer
#ifndef MP_OBJ_CAST
#define MP_OBJ_CAST(o) ((void*)o)
#endif
// Cast object pointer to mp_obj_t
#ifndef MP_OBJ_UNCAST
#define MP_OBJ_UNCAST(p) ((mp_obj_t)p)
#endif
// The macros below are derived from the ones above and are used to
// check for more specific object types.
#define MP_OBJ_IS_TYPE(o, t) (MP_OBJ_IS_OBJ(o) && (((mp_obj_base_t*)(o))->type == (t))) // this does not work for checking int, str or fun; use below macros for that
#define MP_OBJ_IS_INT(o) (MP_OBJ_IS_SMALL_INT(o) || MP_OBJ_IS_TYPE(o, &mp_type_int))
#define MP_OBJ_IS_STR(o) (MP_OBJ_IS_QSTR(o) || MP_OBJ_IS_TYPE(o, &mp_type_str))
#define MP_OBJ_IS_STR_OR_BYTES(o) (MP_OBJ_IS_QSTR(o) || (MP_OBJ_IS_OBJ(o) && ((mp_obj_base_t*)(o))->type->binary_op == mp_obj_str_binary_op))
#define MP_OBJ_IS_FUN(o) (MP_OBJ_IS_OBJ(o) && (((mp_obj_base_t*)(o))->type->name == MP_QSTR_function))
// Note: inline functions sometimes use much more code space than the
// equivalent macros, depending on the compiler.
//static inline bool MP_OBJ_IS_TYPE(mp_const_obj_t o, const mp_obj_type_t *t) { return (MP_OBJ_IS_OBJ(o) && (((mp_obj_base_t*)(o))->type == (t))); } // this does not work for checking a string, use below macro for that
//static inline bool MP_OBJ_IS_INT(mp_const_obj_t o) { return (MP_OBJ_IS_SMALL_INT(o) || MP_OBJ_IS_TYPE(o, &mp_type_int)); } // returns true if o is a small int or long int
// Need to forward declare these for the inline function to compile.
extern const struct _mp_obj_type_t mp_type_int;
extern const struct _mp_obj_type_t mp_type_bool;
static inline bool mp_obj_is_integer(mp_const_obj_t o) { return MP_OBJ_IS_INT(o) || MP_OBJ_IS_TYPE(o, &mp_type_bool); } // returns true if o is bool, small int or long int
//static inline bool MP_OBJ_IS_STR(mp_const_obj_t o) { return (MP_OBJ_IS_QSTR(o) || MP_OBJ_IS_TYPE(o, &mp_type_str)); }
// These macros are used to declare and define constant function objects
// You can put "static" in front of the definitions to make them local
#define MP_DECLARE_CONST_FUN_OBJ(obj_name) extern const mp_obj_fun_builtin_t obj_name
#define MP_DEFINE_CONST_FUN_OBJ_VOID_PTR(obj_name, is_kw, n_args_min, n_args_max, fun_name) const mp_obj_fun_builtin_t obj_name = {{&mp_type_fun_builtin}, is_kw, n_args_min, n_args_max, (void(*)(void))fun_name}
#define MP_DEFINE_CONST_FUN_OBJ_0(obj_name, fun_name) MP_DEFINE_CONST_FUN_OBJ_VOID_PTR(obj_name, false, 0, 0, (mp_fun_0_t)fun_name)
#define MP_DEFINE_CONST_FUN_OBJ_1(obj_name, fun_name) MP_DEFINE_CONST_FUN_OBJ_VOID_PTR(obj_name, false, 1, 1, (mp_fun_1_t)fun_name)
#define MP_DEFINE_CONST_FUN_OBJ_2(obj_name, fun_name) MP_DEFINE_CONST_FUN_OBJ_VOID_PTR(obj_name, false, 2, 2, (mp_fun_2_t)fun_name)
#define MP_DEFINE_CONST_FUN_OBJ_3(obj_name, fun_name) MP_DEFINE_CONST_FUN_OBJ_VOID_PTR(obj_name, false, 3, 3, (mp_fun_3_t)fun_name)
#define MP_DEFINE_CONST_FUN_OBJ_VAR(obj_name, n_args_min, fun_name) MP_DEFINE_CONST_FUN_OBJ_VOID_PTR(obj_name, false, n_args_min, MP_OBJ_FUN_ARGS_MAX, (mp_fun_var_t)fun_name)
#define MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(obj_name, n_args_min, n_args_max, fun_name) MP_DEFINE_CONST_FUN_OBJ_VOID_PTR(obj_name, false, n_args_min, n_args_max, (mp_fun_var_t)fun_name)
#define MP_DEFINE_CONST_FUN_OBJ_KW(obj_name, n_args_min, fun_name) MP_DEFINE_CONST_FUN_OBJ_VOID_PTR(obj_name, true, n_args_min, MP_OBJ_FUN_ARGS_MAX, (mp_fun_kw_t)fun_name)
// These macros are used to define constant map/dict objects
// You can put "static" in front of the definition to make it local
#define MP_DEFINE_CONST_MAP(map_name, table_name) \
const mp_map_t map_name = { \
.all_keys_are_qstrs = 1, \
.is_fixed = 1, \
.is_ordered = 1, \
.used = MP_ARRAY_SIZE(table_name), \
.alloc = MP_ARRAY_SIZE(table_name), \
.table = (mp_map_elem_t*)table_name, \
}
#define MP_DEFINE_CONST_DICT(dict_name, table_name) \
const mp_obj_dict_t dict_name = { \
.base = {&mp_type_dict}, \
.map = { \
.all_keys_are_qstrs = 1, \
.is_fixed = 1, \
.is_ordered = 1, \
.used = MP_ARRAY_SIZE(table_name), \
.alloc = MP_ARRAY_SIZE(table_name), \
.table = (mp_map_elem_t*)table_name, \
}, \
}
// These macros are used to declare and define constant staticmethond and classmethod objects
// You can put "static" in front of the definitions to make them local
#define MP_DECLARE_CONST_STATICMETHOD_OBJ(obj_name) extern const mp_obj_static_class_method_t obj_name
#define MP_DECLARE_CONST_CLASSMETHOD_OBJ(obj_name) extern const mp_obj_static_class_method_t obj_name
#define MP_DEFINE_CONST_STATICMETHOD_OBJ(obj_name, fun_name) const mp_obj_static_class_method_t obj_name = {{&mp_type_staticmethod}, fun_name}
#define MP_DEFINE_CONST_CLASSMETHOD_OBJ(obj_name, fun_name) const mp_obj_static_class_method_t obj_name = {{&mp_type_classmethod}, fun_name}
// Underlying map/hash table implementation (not dict object or map function)
typedef struct _mp_map_elem_t {
mp_obj_t key;
mp_obj_t value;
} mp_map_elem_t;
// TODO maybe have a truncated mp_map_t for fixed tables, since alloc=used
// put alloc last in the structure, so the truncated version does not need it
// this would save 1 ROM word for all ROM objects that have a locals_dict
// would also need a trucated dict structure
typedef struct _mp_map_t {
mp_uint_t all_keys_are_qstrs : 1;
mp_uint_t is_fixed : 1; // a fixed array that can't be modified; must also be ordered
mp_uint_t is_ordered : 1; // an ordered array
mp_uint_t used : (8 * sizeof(mp_uint_t) - 3);
mp_uint_t alloc;
mp_map_elem_t *table;
} mp_map_t;
// mp_set_lookup requires these constants to have the values they do
typedef enum _mp_map_lookup_kind_t {
MP_MAP_LOOKUP = 0,
MP_MAP_LOOKUP_ADD_IF_NOT_FOUND = 1,
MP_MAP_LOOKUP_REMOVE_IF_FOUND = 2,
MP_MAP_LOOKUP_ADD_IF_NOT_FOUND_OR_REMOVE_IF_FOUND = 3, // only valid for mp_set_lookup
} mp_map_lookup_kind_t;
extern const mp_map_t mp_const_empty_map;
static inline bool MP_MAP_SLOT_IS_FILLED(const mp_map_t *map, mp_uint_t pos) { return ((map)->table[pos].key != MP_OBJ_NULL && (map)->table[pos].key != MP_OBJ_SENTINEL); }
void mp_map_init(mp_map_t *map, mp_uint_t n);
void mp_map_init_fixed_table(mp_map_t *map, mp_uint_t n, const mp_obj_t *table);
mp_map_t *mp_map_new(mp_uint_t n);
void mp_map_deinit(mp_map_t *map);
void mp_map_free(mp_map_t *map);
mp_map_elem_t *mp_map_lookup(mp_map_t *map, mp_obj_t index, mp_map_lookup_kind_t lookup_kind);
void mp_map_clear(mp_map_t *map);
void mp_map_dump(mp_map_t *map);
// Underlying set implementation (not set object)
typedef struct _mp_set_t {
mp_uint_t alloc;
mp_uint_t used;
mp_obj_t *table;
} mp_set_t;
static inline bool MP_SET_SLOT_IS_FILLED(const mp_set_t *set, mp_uint_t pos) { return ((set)->table[pos] != MP_OBJ_NULL && (set)->table[pos] != MP_OBJ_SENTINEL); }
void mp_set_init(mp_set_t *set, mp_uint_t n);
mp_obj_t mp_set_lookup(mp_set_t *set, mp_obj_t index, mp_map_lookup_kind_t lookup_kind);
mp_obj_t mp_set_remove_first(mp_set_t *set);
void mp_set_clear(mp_set_t *set);
// Type definitions for methods
typedef mp_obj_t (*mp_fun_0_t)(void);
typedef mp_obj_t (*mp_fun_1_t)(mp_obj_t);
typedef mp_obj_t (*mp_fun_2_t)(mp_obj_t, mp_obj_t);
typedef mp_obj_t (*mp_fun_3_t)(mp_obj_t, mp_obj_t, mp_obj_t);
typedef mp_obj_t (*mp_fun_var_t)(mp_uint_t n, const mp_obj_t *);
typedef mp_obj_t (*mp_fun_kw_t)(mp_uint_t n, const mp_obj_t *, mp_map_t *);
typedef enum {
PRINT_STR = 0,
PRINT_REPR = 1,
PRINT_EXC = 2, // Special format for printing exception in unhandled exception message
PRINT_JSON = 3,
PRINT_EXC_SUBCLASS = 0x80, // Internal flag for printing exception subclasses
} mp_print_kind_t;
typedef void (*mp_print_fun_t)(const mp_print_t *print, mp_obj_t o, mp_print_kind_t kind);
typedef mp_obj_t (*mp_make_new_fun_t)(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args);
typedef mp_obj_t (*mp_call_fun_t)(mp_obj_t fun, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args);
typedef mp_obj_t (*mp_unary_op_fun_t)(mp_uint_t op, mp_obj_t);
typedef mp_obj_t (*mp_binary_op_fun_t)(mp_uint_t op, mp_obj_t, mp_obj_t);
typedef void (*mp_attr_fun_t)(mp_obj_t self_in, qstr attr, mp_obj_t *dest);
typedef mp_obj_t (*mp_subscr_fun_t)(mp_obj_t self_in, mp_obj_t index, mp_obj_t value);
typedef struct _mp_method_t {
qstr name;
mp_const_obj_t fun;
} mp_method_t;
// Buffer protocol
typedef struct _mp_buffer_info_t {
// if we'd bother to support various versions of structure
// (with different number of fields), we can distinguish
// them with ver = sizeof(struct). Cons: overkill for *micro*?
//int ver; // ?
void *buf; // can be NULL if len == 0
mp_uint_t len; // in bytes
int typecode; // as per binary.h
// Rationale: to load arbitrary-sized sprites directly to LCD
// Cons: a bit adhoc usecase
// int stride;
} mp_buffer_info_t;
#define MP_BUFFER_READ (1)
#define MP_BUFFER_WRITE (2)
#define MP_BUFFER_RW (MP_BUFFER_READ | MP_BUFFER_WRITE)
typedef struct _mp_buffer_p_t {
mp_int_t (*get_buffer)(mp_obj_t obj, mp_buffer_info_t *bufinfo, mp_uint_t flags);
} mp_buffer_p_t;
bool mp_get_buffer(mp_obj_t obj, mp_buffer_info_t *bufinfo, mp_uint_t flags);
void mp_get_buffer_raise(mp_obj_t obj, mp_buffer_info_t *bufinfo, mp_uint_t flags);
// Stream protocol
#define MP_STREAM_ERROR ((mp_uint_t)-1)
typedef struct _mp_stream_p_t {
// On error, functions should return MP_STREAM_ERROR and fill in *errcode (values
// are implementation-dependent, but will be exposed to user, e.g. via exception).
mp_uint_t (*read)(mp_obj_t obj, void *buf, mp_uint_t size, int *errcode);
mp_uint_t (*write)(mp_obj_t obj, const void *buf, mp_uint_t size, int *errcode);
mp_uint_t (*ioctl)(mp_obj_t obj, mp_uint_t request, mp_uint_t arg, int *errcode);
mp_uint_t is_text : 1; // default is bytes, set this for text stream
} mp_stream_p_t;
// Stream ioctl request codes
#define MP_STREAM_FLUSH (1)
#define MP_STREAM_SEEK (2)
#define MP_STREAM_POLL (3)
// Argument structure for MP_STREAM_SEEK
struct mp_stream_seek_t {
mp_off_t offset;
int whence;
};
struct _mp_obj_type_t {
mp_obj_base_t base;
qstr name;
mp_print_fun_t print;
mp_make_new_fun_t make_new; // to make an instance of the type
mp_call_fun_t call;
mp_unary_op_fun_t unary_op; // can return MP_OBJ_NULL if op not supported
mp_binary_op_fun_t binary_op; // can return MP_OBJ_NULL if op not supported
// implements load, store and delete attribute
//
// dest[0] = MP_OBJ_NULL means load
// return: for fail, do nothing
// for attr, dest[0] = value
// for method, dest[0] = method, dest[1] = self
//
// dest[0,1] = {MP_OBJ_SENTINEL, MP_OBJ_NULL} means delete
// dest[0,1] = {MP_OBJ_SENTINEL, object} means store
// return: for fail, do nothing
// for success set dest[0] = MP_OBJ_NULL
mp_attr_fun_t attr;
mp_subscr_fun_t subscr; // implements load, store, delete subscripting
// value=MP_OBJ_NULL means delete, value=MP_OBJ_SENTINEL means load, else store
// can return MP_OBJ_NULL if op not supported
mp_fun_1_t getiter; // corresponds to __iter__ special method
mp_fun_1_t iternext; // may return MP_OBJ_STOP_ITERATION as an optimisation instead of raising StopIteration() (with no args)
mp_buffer_p_t buffer_p;
const mp_stream_p_t *stream_p;
// these are for dynamically created types (classes)
mp_obj_t bases_tuple;
mp_obj_t locals_dict;
/*
What we might need to add here:
len str tuple list map
abs float complex
hash bool int none str
equal int str
unpack seq list tuple
*/
};
typedef struct _mp_obj_type_t mp_obj_type_t;
// Constant types, globally accessible
extern const mp_obj_type_t mp_type_type;
extern const mp_obj_type_t mp_type_object;
extern const mp_obj_type_t mp_type_NoneType;
extern const mp_obj_type_t mp_type_bool;
extern const mp_obj_type_t mp_type_int;
extern const mp_obj_type_t mp_type_str;
extern const mp_obj_type_t mp_type_bytes;
extern const mp_obj_type_t mp_type_bytearray;
extern const mp_obj_type_t mp_type_memoryview;
extern const mp_obj_type_t mp_type_float;
extern const mp_obj_type_t mp_type_complex;
extern const mp_obj_type_t mp_type_tuple;
extern const mp_obj_type_t mp_type_list;
extern const mp_obj_type_t mp_type_map; // map (the python builtin, not the dict implementation detail)
extern const mp_obj_type_t mp_type_enumerate;
extern const mp_obj_type_t mp_type_filter;
extern const mp_obj_type_t mp_type_dict;
extern const mp_obj_type_t mp_type_ordereddict;
extern const mp_obj_type_t mp_type_range;
extern const mp_obj_type_t mp_type_set;
extern const mp_obj_type_t mp_type_frozenset;
extern const mp_obj_type_t mp_type_slice;
extern const mp_obj_type_t mp_type_zip;
extern const mp_obj_type_t mp_type_array;
extern const mp_obj_type_t mp_type_super;
extern const mp_obj_type_t mp_type_gen_instance;
extern const mp_obj_type_t mp_type_fun_builtin;
extern const mp_obj_type_t mp_type_fun_bc;
extern const mp_obj_type_t mp_type_module;
extern const mp_obj_type_t mp_type_staticmethod;
extern const mp_obj_type_t mp_type_classmethod;
extern const mp_obj_type_t mp_type_property;
extern const mp_obj_type_t mp_type_stringio;
extern const mp_obj_type_t mp_type_bytesio;
extern const mp_obj_type_t mp_type_reversed;
// Exceptions
extern const mp_obj_type_t mp_type_BaseException;
extern const mp_obj_type_t mp_type_ArithmeticError;
extern const mp_obj_type_t mp_type_AssertionError;
extern const mp_obj_type_t mp_type_AttributeError;
extern const mp_obj_type_t mp_type_EOFError;
extern const mp_obj_type_t mp_type_Exception;
extern const mp_obj_type_t mp_type_GeneratorExit;
extern const mp_obj_type_t mp_type_ImportError;
extern const mp_obj_type_t mp_type_IndentationError;
extern const mp_obj_type_t mp_type_IndexError;
extern const mp_obj_type_t mp_type_KeyboardInterrupt;
extern const mp_obj_type_t mp_type_KeyError;
extern const mp_obj_type_t mp_type_LookupError;
extern const mp_obj_type_t mp_type_MemoryError;
extern const mp_obj_type_t mp_type_NameError;
extern const mp_obj_type_t mp_type_NotImplementedError;
extern const mp_obj_type_t mp_type_OSError;
extern const mp_obj_type_t mp_type_TimeoutError;
extern const mp_obj_type_t mp_type_OverflowError;
extern const mp_obj_type_t mp_type_RuntimeError;
extern const mp_obj_type_t mp_type_StopIteration;
extern const mp_obj_type_t mp_type_SyntaxError;
extern const mp_obj_type_t mp_type_SystemExit;
extern const mp_obj_type_t mp_type_TypeError;
extern const mp_obj_type_t mp_type_UnicodeError;
extern const mp_obj_type_t mp_type_ValueError;
extern const mp_obj_type_t mp_type_ViperTypeError;
extern const mp_obj_type_t mp_type_ZeroDivisionError;
// Constant objects, globally accessible
// The macros are for convenience only
#define mp_const_none ((mp_obj_t)&mp_const_none_obj)
#define mp_const_false ((mp_obj_t)&mp_const_false_obj)
#define mp_const_true ((mp_obj_t)&mp_const_true_obj)
#define mp_const_empty_bytes ((mp_obj_t)&mp_const_empty_bytes_obj)
#define mp_const_empty_tuple ((mp_obj_t)&mp_const_empty_tuple_obj)
extern const struct _mp_obj_none_t mp_const_none_obj;
extern const struct _mp_obj_bool_t mp_const_false_obj;
extern const struct _mp_obj_bool_t mp_const_true_obj;
extern const struct _mp_obj_str_t mp_const_empty_bytes_obj;
extern const struct _mp_obj_tuple_t mp_const_empty_tuple_obj;
extern const struct _mp_obj_singleton_t mp_const_ellipsis_obj;
extern const struct _mp_obj_singleton_t mp_const_notimplemented_obj;
extern const struct _mp_obj_exception_t mp_const_MemoryError_obj;
extern const struct _mp_obj_exception_t mp_const_GeneratorExit_obj;
// General API for objects
mp_obj_t mp_obj_new_type(qstr name, mp_obj_t bases_tuple, mp_obj_t locals_dict);
mp_obj_t mp_obj_new_none(void);
mp_obj_t mp_obj_new_bool(bool value);
mp_obj_t mp_obj_new_cell(mp_obj_t obj);
mp_obj_t mp_obj_new_int(mp_int_t value);
mp_obj_t mp_obj_new_int_from_uint(mp_uint_t value);
mp_obj_t mp_obj_new_int_from_str_len(const char **str, mp_uint_t len, bool neg, mp_uint_t base);
mp_obj_t mp_obj_new_int_from_ll(long long val); // this must return a multi-precision integer object (or raise an overflow exception)
mp_obj_t mp_obj_new_int_from_ull(unsigned long long val); // this must return a multi-precision integer object (or raise an overflow exception)
mp_obj_t mp_obj_new_str(const char* data, mp_uint_t len, bool make_qstr_if_not_already);
mp_obj_t mp_obj_new_str_from_vstr(const mp_obj_type_t *type, vstr_t *vstr);
mp_obj_t mp_obj_new_bytes(const byte* data, mp_uint_t len);
mp_obj_t mp_obj_new_bytearray(mp_uint_t n, void *items);
mp_obj_t mp_obj_new_bytearray_by_ref(mp_uint_t n, void *items);
#if MICROPY_PY_BUILTINS_FLOAT
mp_obj_t mp_obj_new_int_from_float(mp_float_t val);
mp_obj_t mp_obj_new_float(mp_float_t val);
mp_obj_t mp_obj_new_complex(mp_float_t real, mp_float_t imag);
#endif
mp_obj_t mp_obj_new_exception(const mp_obj_type_t *exc_type);
mp_obj_t mp_obj_new_exception_arg1(const mp_obj_type_t *exc_type, mp_obj_t arg);
mp_obj_t mp_obj_new_exception_args(const mp_obj_type_t *exc_type, mp_uint_t n_args, const mp_obj_t *args);
mp_obj_t mp_obj_new_exception_msg(const mp_obj_type_t *exc_type, const char *msg);
mp_obj_t mp_obj_new_exception_msg_varg(const mp_obj_type_t *exc_type, const char *fmt, ...); // counts args by number of % symbols in fmt, excluding %%; can only handle void* sizes (ie no float/double!)
mp_obj_t mp_obj_new_fun_bc(mp_uint_t scope_flags, mp_uint_t n_pos_args, mp_uint_t n_kwonly_args, mp_obj_t def_args, mp_obj_t def_kw_args, const byte *code);
mp_obj_t mp_obj_new_fun_native(mp_uint_t scope_flags, mp_uint_t n_pos_args, mp_uint_t n_kwonly_args, mp_obj_t def_args_in, mp_obj_t def_kw_args, const void *fun_data);
mp_obj_t mp_obj_new_fun_viper(mp_uint_t n_args, void *fun_data, mp_uint_t type_sig);
mp_obj_t mp_obj_new_fun_asm(mp_uint_t n_args, void *fun_data);
mp_obj_t mp_obj_new_gen_wrap(mp_obj_t fun);
mp_obj_t mp_obj_new_closure(mp_obj_t fun, mp_uint_t n_closed, const mp_obj_t *closed);
mp_obj_t mp_obj_new_tuple(mp_uint_t n, const mp_obj_t *items);
mp_obj_t mp_obj_new_list(mp_uint_t n, mp_obj_t *items);
mp_obj_t mp_obj_new_dict(mp_uint_t n_args);
mp_obj_t mp_obj_new_set(mp_uint_t n_args, mp_obj_t *items);
mp_obj_t mp_obj_new_slice(mp_obj_t start, mp_obj_t stop, mp_obj_t step);
mp_obj_t mp_obj_new_super(mp_obj_t type, mp_obj_t obj);
mp_obj_t mp_obj_new_bound_meth(mp_obj_t meth, mp_obj_t self);
mp_obj_t mp_obj_new_getitem_iter(mp_obj_t *args);
mp_obj_t mp_obj_new_module(qstr module_name);
mp_obj_t mp_obj_new_memoryview(byte typecode, mp_uint_t nitems, void *items);
mp_obj_type_t *mp_obj_get_type(mp_const_obj_t o_in);
const char *mp_obj_get_type_str(mp_const_obj_t o_in);
bool mp_obj_is_subclass_fast(mp_const_obj_t object, mp_const_obj_t classinfo); // arguments should be type objects
mp_obj_t mp_instance_cast_to_native_base(mp_const_obj_t self_in, mp_const_obj_t native_type);
void mp_obj_print_helper(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t kind);
void mp_obj_print(mp_obj_t o, mp_print_kind_t kind);
void mp_obj_print_exception(const mp_print_t *print, mp_obj_t exc);
bool mp_obj_is_true(mp_obj_t arg);
bool mp_obj_is_callable(mp_obj_t o_in);
bool mp_obj_equal(mp_obj_t o1, mp_obj_t o2);
mp_int_t mp_obj_get_int(mp_const_obj_t arg);
mp_int_t mp_obj_get_int_truncated(mp_const_obj_t arg);
bool mp_obj_get_int_maybe(mp_const_obj_t arg, mp_int_t *value);
#if MICROPY_PY_BUILTINS_FLOAT
mp_float_t mp_obj_get_float(mp_obj_t self_in);
void mp_obj_get_complex(mp_obj_t self_in, mp_float_t *real, mp_float_t *imag);
#endif
//qstr mp_obj_get_qstr(mp_obj_t arg);
void mp_obj_get_array(mp_obj_t o, mp_uint_t *len, mp_obj_t **items);
void mp_obj_get_array_fixed_n(mp_obj_t o, mp_uint_t len, mp_obj_t **items);
mp_uint_t mp_get_index(const mp_obj_type_t *type, mp_uint_t len, mp_obj_t index, bool is_slice);
mp_obj_t mp_obj_id(mp_obj_t o_in);
mp_obj_t mp_obj_len(mp_obj_t o_in);
mp_obj_t mp_obj_len_maybe(mp_obj_t o_in); // may return MP_OBJ_NULL
mp_obj_t mp_obj_subscr(mp_obj_t base, mp_obj_t index, mp_obj_t val);
mp_obj_t mp_generic_unary_op(mp_uint_t op, mp_obj_t o_in);
// bool
// TODO make lower case when it has proven itself
static inline mp_obj_t MP_BOOL(mp_int_t x) { return x ? mp_const_true : mp_const_false; }
// cell
mp_obj_t mp_obj_cell_get(mp_obj_t self_in);
void mp_obj_cell_set(mp_obj_t self_in, mp_obj_t obj);
// int
// For long int, returns value truncated to mp_int_t
mp_int_t mp_obj_int_get_truncated(mp_const_obj_t self_in);
// Will raise exception if value doesn't fit into mp_int_t
mp_int_t mp_obj_int_get_checked(mp_const_obj_t self_in);
#if MICROPY_PY_BUILTINS_FLOAT
mp_float_t mp_obj_int_as_float(mp_obj_t self_in);
#endif
// exception
#define mp_obj_is_native_exception_instance(o) (mp_obj_get_type(o)->make_new == mp_obj_exception_make_new)
bool mp_obj_is_exception_type(mp_obj_t self_in);
bool mp_obj_is_exception_instance(mp_obj_t self_in);
bool mp_obj_exception_match(mp_obj_t exc, mp_const_obj_t exc_type);
void mp_obj_exception_clear_traceback(mp_obj_t self_in);
void mp_obj_exception_add_traceback(mp_obj_t self_in, qstr file, mp_uint_t line, qstr block);
void mp_obj_exception_get_traceback(mp_obj_t self_in, mp_uint_t *n, mp_uint_t **values);
mp_obj_t mp_obj_exception_get_value(mp_obj_t self_in);
mp_obj_t mp_obj_exception_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args);
mp_obj_t mp_alloc_emergency_exception_buf(mp_obj_t size_in);
void mp_init_emergency_exception_buf(void);
// str
bool mp_obj_str_equal(mp_obj_t s1, mp_obj_t s2);
mp_uint_t mp_obj_str_get_hash(mp_obj_t self_in);
mp_uint_t mp_obj_str_get_len(mp_obj_t self_in);
qstr mp_obj_str_get_qstr(mp_obj_t self_in); // use this if you will anyway convert the string to a qstr
const char *mp_obj_str_get_str(mp_obj_t self_in); // use this only if you need the string to be null terminated
const char *mp_obj_str_get_data(mp_obj_t self_in, mp_uint_t *len);
mp_obj_t mp_obj_str_intern(mp_obj_t str);
void mp_str_print_quoted(const mp_print_t *print, const byte *str_data, mp_uint_t str_len, bool is_bytes);
#if MICROPY_PY_BUILTINS_FLOAT
// float
typedef struct _mp_obj_float_t {
mp_obj_base_t base;
mp_float_t value;
} mp_obj_float_t;
mp_float_t mp_obj_float_get(mp_obj_t self_in);
mp_obj_t mp_obj_float_binary_op(mp_uint_t op, mp_float_t lhs_val, mp_obj_t rhs); // can return MP_OBJ_NULL if op not supported
// complex
void mp_obj_complex_get(mp_obj_t self_in, mp_float_t *real, mp_float_t *imag);
mp_obj_t mp_obj_complex_binary_op(mp_uint_t op, mp_float_t lhs_real, mp_float_t lhs_imag, mp_obj_t rhs_in); // can return MP_OBJ_NULL if op not supported
#endif
// tuple
void mp_obj_tuple_get(mp_obj_t self_in, mp_uint_t *len, mp_obj_t **items);
void mp_obj_tuple_del(mp_obj_t self_in);
mp_int_t mp_obj_tuple_hash(mp_obj_t self_in);
// list
struct _mp_obj_list_t;
void mp_obj_list_init(struct _mp_obj_list_t *o, mp_uint_t n);
mp_obj_t mp_obj_list_append(mp_obj_t self_in, mp_obj_t arg);
mp_obj_t mp_obj_list_remove(mp_obj_t self_in, mp_obj_t value);
void mp_obj_list_get(mp_obj_t self_in, mp_uint_t *len, mp_obj_t **items);
void mp_obj_list_set_len(mp_obj_t self_in, mp_uint_t len);
void mp_obj_list_store(mp_obj_t self_in, mp_obj_t index, mp_obj_t value);
mp_obj_t mp_obj_list_sort(mp_uint_t n_args, const mp_obj_t *args, mp_map_t *kwargs);
// dict
typedef struct _mp_obj_dict_t {
mp_obj_base_t base;
mp_map_t map;
} mp_obj_dict_t;
void mp_obj_dict_init(mp_obj_dict_t *dict, mp_uint_t n_args);
mp_uint_t mp_obj_dict_len(mp_obj_t self_in);
mp_obj_t mp_obj_dict_get(mp_obj_t self_in, mp_obj_t index);
mp_obj_t mp_obj_dict_store(mp_obj_t self_in, mp_obj_t key, mp_obj_t value);
mp_obj_t mp_obj_dict_delete(mp_obj_t self_in, mp_obj_t key);
mp_map_t *mp_obj_dict_get_map(mp_obj_t self_in);
// set
void mp_obj_set_store(mp_obj_t self_in, mp_obj_t item);
// slice
void mp_obj_slice_get(mp_obj_t self_in, mp_obj_t *start, mp_obj_t *stop, mp_obj_t *step);
// functions
#define MP_OBJ_FUN_ARGS_MAX (0xffff) // to set maximum value in n_args_max below
typedef struct _mp_obj_fun_builtin_t { // use this to make const objects that go in ROM
mp_obj_base_t base;
bool is_kw : 1;
mp_uint_t n_args_min : 15; // inclusive
mp_uint_t n_args_max : 16; // inclusive
void (*fun)(void); // must be a pointer to a callable function in ROM
} mp_obj_fun_builtin_t;
qstr mp_obj_fun_get_name(mp_const_obj_t fun);
qstr mp_obj_code_get_name(const byte *code_info);
mp_obj_t mp_identity(mp_obj_t self);
MP_DECLARE_CONST_FUN_OBJ(mp_identity_obj);
// module
typedef struct _mp_obj_module_t {
mp_obj_base_t base;
qstr name;
mp_obj_dict_t *globals;
} mp_obj_module_t;
mp_obj_dict_t *mp_obj_module_get_globals(mp_obj_t self_in);
// check if given module object is a package
bool mp_obj_is_package(mp_obj_t module);
// staticmethod and classmethod types; defined here so we can make const versions
// this structure is used for instances of both staticmethod and classmethod
typedef struct _mp_obj_static_class_method_t {
mp_obj_base_t base;
mp_obj_t fun;
} mp_obj_static_class_method_t;
// property
const mp_obj_t *mp_obj_property_get(mp_obj_t self_in);
// sequence helpers
// slice indexes resolved to particular sequence
typedef struct {
mp_uint_t start;
mp_uint_t stop;
mp_int_t step;
} mp_bound_slice_t;
void mp_seq_multiply(const void *items, mp_uint_t item_sz, mp_uint_t len, mp_uint_t times, void *dest);
#if MICROPY_PY_BUILTINS_SLICE
bool mp_seq_get_fast_slice_indexes(mp_uint_t len, mp_obj_t slice, mp_bound_slice_t *indexes);
#endif
#define mp_seq_copy(dest, src, len, item_t) memcpy(dest, src, len * sizeof(item_t))
#define mp_seq_cat(dest, src1, len1, src2, len2, item_t) { memcpy(dest, src1, (len1) * sizeof(item_t)); memcpy(dest + (len1), src2, (len2) * sizeof(item_t)); }
bool mp_seq_cmp_bytes(mp_uint_t op, const byte *data1, mp_uint_t len1, const byte *data2, mp_uint_t len2);
bool mp_seq_cmp_objs(mp_uint_t op, const mp_obj_t *items1, mp_uint_t len1, const mp_obj_t *items2, mp_uint_t len2);
mp_obj_t mp_seq_index_obj(const mp_obj_t *items, mp_uint_t len, mp_uint_t n_args, const mp_obj_t *args);
mp_obj_t mp_seq_count_obj(const mp_obj_t *items, mp_uint_t len, mp_obj_t value);
mp_obj_t mp_seq_extract_slice(mp_uint_t len, const mp_obj_t *seq, mp_bound_slice_t *indexes);
// Helper to clear stale pointers from allocated, but unused memory, to preclude GC problems
#define mp_seq_clear(start, len, alloc_len, item_sz) memset((byte*)(start) + (len) * (item_sz), 0, ((alloc_len) - (len)) * (item_sz))
#define mp_seq_replace_slice_no_grow(dest, dest_len, beg, end, slice, slice_len, item_sz) \
/*printf("memcpy(%p, %p, %d)\n", dest + beg, slice, slice_len * (item_sz));*/ \
memcpy(((char*)dest) + (beg) * (item_sz), slice, slice_len * (item_sz)); \
/*printf("memmove(%p, %p, %d)\n", dest + (beg + slice_len), dest + end, (dest_len - end) * (item_sz));*/ \
memmove(((char*)dest) + (beg + slice_len) * (item_sz), ((char*)dest) + (end) * (item_sz), (dest_len - end) * (item_sz));
#define mp_seq_replace_slice_grow_inplace(dest, dest_len, beg, end, slice, slice_len, len_adj, item_sz) \
/*printf("memmove(%p, %p, %d)\n", dest + beg + len_adj, dest + beg, (dest_len - beg) * (item_sz));*/ \
memmove(((char*)dest) + (beg + len_adj) * (item_sz), ((char*)dest) + (beg) * (item_sz), (dest_len - beg) * (item_sz)); \
memcpy(((char*)dest) + (beg) * (item_sz), slice, slice_len * (item_sz));
#endif // __MICROPY_INCLUDED_PY_OBJ_H__