obj.h 22.3 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
// 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;

// Integers that fit in a pointer have this type
// (do we need to expose this in the public API?)

typedef machine_int_t mp_small_int_t;

12
13
// Anything that wants to be a Micro Python object must have
// mp_obj_base_t as its first member (except NULL and small ints)
14

ian-v's avatar
ian-v committed
15
struct _mp_obj_type_t;
16
struct _mp_obj_base_t {
ian-v's avatar
ian-v committed
17
    const struct _mp_obj_type_t *type;
18
};
ian-v's avatar
ian-v committed
19
typedef struct _mp_obj_base_t mp_obj_base_t;
20
21
22
23
24
25

// The NULL object is used to indicate the absence of an object
// It *cannot* be used when an mp_obj_t is expected, except where explicitly allowed

#define MP_OBJ_NULL ((mp_obj_t)NULL)

26
27
28
29
30
// The SENTINEL object is used for various internal purposes where one needs
// an object which is unique from all other objects, including MP_OBJ_NULL.

#define MP_OBJ_SENTINEL ((mp_obj_t)8)

31
32
33
34
// These macros check for small int, qstr or object, and access small int and qstr values
//  - xxxx...xxx1: a small int, bits 1 and above are the value
//  - xxxx...xx10: a qstr, bits 2 and above are the value
//  - xxxx...xx00: a pointer to an mp_obj_base_t
35

36
// In SMALL_INT, next-to-highest bits is used as sign, so both must match for value in range
37
38
#define MP_SMALL_INT_MIN ((mp_small_int_t)(((machine_int_t)WORD_MSBIT_HIGH) >> 1))
#define MP_SMALL_INT_MAX ((mp_small_int_t)(~(MP_SMALL_INT_MIN)))
39
#define MP_OBJ_FITS_SMALL_INT(n) ((((n) ^ ((n) << 1)) & WORD_MSBIT_HIGH) == 0)
40
#define MP_OBJ_IS_SMALL_INT(o) ((((mp_small_int_t)(o)) & 1) != 0)
41
42
#define MP_OBJ_IS_QSTR(o) ((((mp_small_int_t)(o)) & 3) == 2)
#define MP_OBJ_IS_OBJ(o) ((((mp_small_int_t)(o)) & 3) == 0)
43
#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 a string, use below macro for that
44
45
#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))
46

47
#define MP_OBJ_SMALL_INT_VALUE(o) (((mp_small_int_t)(o)) >> 1)
48
49
50
51
#define MP_OBJ_NEW_SMALL_INT(small_int) ((mp_obj_t)(((small_int) << 1) | 1))

#define MP_OBJ_QSTR_VALUE(o) (((mp_small_int_t)(o)) >> 2)
#define MP_OBJ_NEW_QSTR(qstr) ((mp_obj_t)((((machine_uint_t)qstr) << 2) | 2))
52
53
54
55
56

// 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_native_t obj_name
57

58
#define MP_DEFINE_CONST_FUN_OBJ_VOID_PTR(obj_name, is_kw, n_args_min, n_args_max, fun_name) const mp_obj_fun_native_t obj_name = {{&mp_type_fun_native}, is_kw, n_args_min, n_args_max, (void *)fun_name}
59
60
61
62
#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)
63
#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)
64
#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)
65
#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)
66

67
68
69
70
71
// This macro is used to define constant dict objects
// You can put "static" in front of the definition to make it local

#define MP_DEFINE_CONST_DICT(dict_name, table_name) \
    const mp_obj_dict_t dict_name = { \
72
        .base = {&mp_type_dict}, \
73
74
75
76
77
78
79
80
81
        .map = { \
            .all_keys_are_qstrs = 1, \
            .table_is_fixed_array = 1, \
            .used = sizeof(table_name) / sizeof(mp_map_elem_t), \
            .alloc = sizeof(table_name) / sizeof(mp_map_elem_t), \
            .table = (mp_map_elem_t*)table_name, \
        }, \
    }

82
83
84
// 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

85
86
#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
87

88
89
#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}
90

Damien George's avatar
Damien George committed
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
// 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 {
    machine_uint_t all_keys_are_qstrs : 1;
    machine_uint_t table_is_fixed_array : 1;
    machine_uint_t used : (8 * sizeof(machine_uint_t) - 2);
    machine_uint_t alloc;
    mp_map_elem_t *table;
} mp_map_t;

111
// These can be or'd together
Damien George's avatar
Damien George committed
112
113
114
115
116
117
118
119
120
121
122
123
124
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_kind_t;

void mp_map_init(mp_map_t *map, int n);
void mp_map_init_fixed_table(mp_map_t *map, int n, const mp_obj_t *table);
mp_map_t *mp_map_new(int 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);
125
void mp_map_dump(mp_map_t *map);
Damien George's avatar
Damien George committed
126
127
128
129
130
131
132
133
134
135
136

// Underlying set implementation (not set object)

typedef struct _mp_set_t {
    machine_uint_t alloc;
    machine_uint_t used;
    mp_obj_t *table;
} mp_set_t;

void mp_set_init(mp_set_t *set, int n);
mp_obj_t mp_set_lookup(mp_set_t *set, mp_obj_t index, mp_map_lookup_kind_t lookup_kind);
137
mp_obj_t mp_set_remove_first(mp_set_t *set);
Damien George's avatar
Damien George committed
138
void mp_set_clear(mp_set_t *set);
139
140
141
142
143
144

// 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);
145
typedef mp_obj_t (*mp_fun_3_t)(mp_obj_t, mp_obj_t, mp_obj_t);
146
typedef mp_obj_t (*mp_fun_t)(void);
147
typedef mp_obj_t (*mp_fun_var_t)(uint n, const mp_obj_t *);
Damien George's avatar
Damien George committed
148
typedef mp_obj_t (*mp_fun_kw_t)(uint n, const mp_obj_t *, mp_map_t *);
149

150
typedef enum {
151
152
153
    PRINT_STR,
    PRINT_REPR,
    PRINT_EXC, // Special format for printing exception in unhandled exception message
154
155
156
} mp_print_kind_t;

typedef void (*mp_print_fun_t)(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o, mp_print_kind_t kind);
157
158
typedef mp_obj_t (*mp_make_new_fun_t)(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args);
typedef mp_obj_t (*mp_call_fun_t)(mp_obj_t fun, uint n_args, uint n_kw, const mp_obj_t *args);
159
160
typedef mp_obj_t (*mp_unary_op_fun_t)(int op, mp_obj_t);
typedef mp_obj_t (*mp_binary_op_fun_t)(int op, mp_obj_t, mp_obj_t);
161
typedef void (*mp_load_attr_fun_t)(mp_obj_t self_in, qstr attr, mp_obj_t *dest); // for fail, do nothing; for attr, dest[0] = value; for method, dest[0] = method, dest[1] = self
162
typedef bool (*mp_store_attr_fun_t)(mp_obj_t self_in, qstr attr, mp_obj_t value); // return true if store succeeded
163
typedef bool (*mp_store_item_fun_t)(mp_obj_t self_in, mp_obj_t index, mp_obj_t value); // return true if store succeeded
164
165

typedef struct _mp_method_t {
166
    qstr name;
167
168
169
    mp_const_obj_t fun;
} mp_method_t;

170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
// Buffer protocol
typedef struct _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;
    machine_int_t len;

    // Rationale: have array.array and have SIMD operations on them
    // Cons: users can pass item size to processing functions themselves,
    // though that's not "plug&play"
    // int itemsize;

    // Rationale: to load arbitrary-sized sprites directly to LCD
    // Cons: a bit adhoc usecase
    // int stride;
} buffer_info_t;
#define BUFFER_READ  (1)
#define BUFFER_WRITE (2)
#define BUFFER_RW (BUFFER_READ | BUFFER_WRITE)
typedef struct _mp_buffer_p_t {
    machine_int_t (*get_buffer)(mp_obj_t obj, buffer_info_t *bufinfo, int flags);
} mp_buffer_p_t;

// Stream protocol
typedef struct _mp_stream_p_t {
    // On error, functions should return -1 and fill in *errcode (values are
    // implementation-dependent, but will be exposed to user, e.g. via exception).
    machine_int_t (*read)(mp_obj_t obj, void *buf, machine_uint_t size, int *errcode);
    machine_int_t (*write)(mp_obj_t obj, const void *buf, machine_uint_t size, int *errcode);
    // add seek() ?
} mp_stream_p_t;

205
206
struct _mp_obj_type_t {
    mp_obj_base_t base;
207
    qstr name;
208
    mp_print_fun_t print;
209
    mp_make_new_fun_t make_new;     // to make an instance of the type
210

211
    mp_call_fun_t call;
212
213
214
    mp_unary_op_fun_t unary_op;     // can return NULL if op not supported
    mp_binary_op_fun_t binary_op;   // can return NULL if op not supported

215
216
217
218
219
220
    mp_load_attr_fun_t load_attr;
    mp_store_attr_fun_t store_attr;
    // Implements container[index] = val; note that load_item is implemented
    // by binary_op(RT_BINARY_OP_SUBSCR)
    mp_store_item_fun_t store_item;

221
    mp_fun_1_t getiter;
222
    mp_fun_1_t iternext; // may return MP_OBJ_NULL as an optimisation instead of raising StopIteration() (with no args)
223

224
225
226
227
228
229
    // Alternatively, pointer(s) to interfaces to save space
    // in mp_obj_type_t at the expense of extra pointer and extra dereference
    // when actually used.
    mp_buffer_p_t buffer_p;
    mp_stream_p_t stream_p;

230
231
232
    // these are for dynamically created types (classes)
    mp_obj_t bases_tuple;
    mp_obj_t locals_dict;
233

234
235
236
237
    /*
    What we might need to add here:

    store_subscr    list dict
238

239
240
241
242
243
244
245
246
247
    len             str tuple list map
    abs             float complex
    hash            bool int none str
    equal           int str

    unpack seq      list tuple
    */
};

ian-v's avatar
ian-v committed
248
typedef struct _mp_obj_type_t mp_obj_type_t;
249

250
251
// Constant types, globally accessible
extern const mp_obj_type_t mp_type_type;
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
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_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_set;
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_native;
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;
277
278

// Exceptions
279
extern const mp_obj_type_t mp_type_BaseException;
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
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_IOError;
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_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_OverflowError;
extern const mp_obj_type_t mp_type_RuntimeError;
298
extern const mp_obj_type_t mp_type_StopIteration;
299
300
301
302
303
304
extern const mp_obj_type_t mp_type_SyntaxError;
extern const mp_obj_type_t mp_type_SystemError;
extern const mp_obj_type_t mp_type_TypeError;
extern const mp_obj_type_t mp_type_ValueError;
extern const mp_obj_type_t mp_type_ZeroDivisionError;

305
// Constant objects, globally accessible
306
307
308
309
310
311
312
313
314
315
// 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_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_tuple_t mp_const_empty_tuple_obj;
extern const struct _mp_obj_ellipsis_t mp_const_ellipsis_obj;
316
extern const struct _mp_obj_exception_t mp_const_MemoryError_obj;
317
extern const struct _mp_obj_exception_t mp_const_GeneratorExit_obj;
318
319
320

// General API for objects

321
mp_obj_t mp_obj_new_type(qstr name, mp_obj_t bases_tuple, mp_obj_t locals_dict);
322
323
mp_obj_t mp_obj_new_none(void);
mp_obj_t mp_obj_new_bool(bool value);
Damien George's avatar
Damien George committed
324
mp_obj_t mp_obj_new_cell(mp_obj_t obj);
325
mp_obj_t mp_obj_new_int(machine_int_t value);
326
327
mp_obj_t mp_obj_new_int_from_uint(machine_uint_t value);
mp_obj_t mp_obj_new_int_from_long_str(const char *s);
328
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)
329
mp_obj_t mp_obj_new_str(const byte* data, uint len, bool make_qstr_if_not_already);
330
mp_obj_t mp_obj_new_bytes(const byte* data, uint len);
331
#if MICROPY_ENABLE_FLOAT
332
333
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);
334
#endif
335
mp_obj_t mp_obj_new_exception(const mp_obj_type_t *exc_type);
336
mp_obj_t mp_obj_new_exception_args(const mp_obj_type_t *exc_type, uint n_args, const mp_obj_t *args);
337
338
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!)
339
340
mp_obj_t mp_obj_new_range(int start, int stop, int step);
mp_obj_t mp_obj_new_range_iterator(int cur, int stop, int step);
341
mp_obj_t mp_obj_new_fun_bc(uint scope_flags, qstr *args, uint n_args, mp_obj_t def_args, const byte *code);
342
mp_obj_t mp_obj_new_fun_asm(uint n_args, void *fun);
343
mp_obj_t mp_obj_new_gen_wrap(mp_obj_t fun);
344
mp_obj_t mp_obj_new_closure(mp_obj_t fun, mp_obj_t closure_tuple);
345
mp_obj_t mp_obj_new_tuple(uint n, const mp_obj_t *items);
346
347
348
mp_obj_t mp_obj_new_list(uint n, mp_obj_t *items);
mp_obj_t mp_obj_new_dict(int n_args);
mp_obj_t mp_obj_new_set(int n_args, mp_obj_t *items);
349
mp_obj_t mp_obj_new_slice(mp_obj_t start, mp_obj_t stop, mp_obj_t step);
Damien George's avatar
Damien George committed
350
mp_obj_t mp_obj_new_super(mp_obj_t type, mp_obj_t obj);
351
mp_obj_t mp_obj_new_bound_meth(mp_obj_t meth, mp_obj_t self);
352
mp_obj_t mp_obj_new_getitem_iter(mp_obj_t *args);
353
mp_obj_t mp_obj_new_module(qstr module_name);
354

355
mp_obj_type_t *mp_obj_get_type(mp_obj_t o_in);
356
const char *mp_obj_get_type_str(mp_obj_t o_in);
357
bool mp_obj_is_subclass_fast(mp_const_obj_t object, mp_const_obj_t classinfo); // arguments should be type objects
358

359
360
void mp_obj_print_helper(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in, mp_print_kind_t kind);
void mp_obj_print(mp_obj_t o, mp_print_kind_t kind);
361
void mp_obj_print_exception(mp_obj_t exc);
362

Damien George's avatar
Damien George committed
363
int mp_obj_is_true(mp_obj_t arg);
364
365
366
bool mp_obj_is_callable(mp_obj_t o_in);
machine_int_t mp_obj_hash(mp_obj_t o_in);
bool mp_obj_equal(mp_obj_t o1, mp_obj_t o2);
367

368
machine_int_t mp_obj_get_int(mp_obj_t arg);
369
bool mp_obj_get_int_maybe(mp_obj_t arg, machine_int_t *value);
370
#if MICROPY_ENABLE_FLOAT
371
372
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);
373
#endif
374
//qstr mp_obj_get_qstr(mp_obj_t arg);
375
376
void mp_obj_get_array(mp_obj_t o, uint *len, mp_obj_t **items);
void mp_obj_get_array_fixed_n(mp_obj_t o, uint len, mp_obj_t **items);
377
uint mp_get_index(const mp_obj_type_t *type, machine_uint_t len, mp_obj_t index, bool is_slice);
378
mp_obj_t mp_obj_len_maybe(mp_obj_t o_in); /* may return NULL */
379
380

// bool
John R. Lenton's avatar
John R. Lenton committed
381
#define MP_BOOL(x) (x ? mp_const_true : mp_const_false)
382
383
384
385
386

// 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);

387
// int
388
389
// For long int, returns value truncated to machine_int_t
machine_int_t mp_obj_int_get(mp_obj_t self_in);
390
391
392
#if MICROPY_ENABLE_FLOAT
mp_float_t mp_obj_int_as_float(mp_obj_t self_in);
#endif
393
394
// Will rains exception if value doesn't fit into machine_int_t
machine_int_t mp_obj_int_get_checked(mp_obj_t self_in);
395

396
// exception
397
398
bool mp_obj_is_exception_type(mp_obj_t self_in);
bool mp_obj_is_exception_instance(mp_obj_t self_in);
399
bool mp_obj_exception_match(mp_obj_t exc, const mp_obj_type_t *exc_type);
400
void mp_obj_exception_clear_traceback(mp_obj_t self_in);
401
402
void mp_obj_exception_add_traceback(mp_obj_t self_in, qstr file, machine_uint_t line, qstr block);
void mp_obj_exception_get_traceback(mp_obj_t self_in, machine_uint_t *n, machine_uint_t **values);
403
mp_obj_t mp_obj_exception_get_value(mp_obj_t self_in);
404

405
// str
406
mp_obj_t mp_obj_str_builder_start(const mp_obj_type_t *type, uint len, byte **data);
407
408
409
410
mp_obj_t mp_obj_str_builder_end(mp_obj_t o_in);
bool mp_obj_str_equal(mp_obj_t s1, mp_obj_t s2);
uint mp_obj_str_get_hash(mp_obj_t self_in);
uint mp_obj_str_get_len(mp_obj_t self_in);
411
qstr mp_obj_str_get_qstr(mp_obj_t self_in); // use this if you will anyway convert the string to a qstr
412
const char *mp_obj_str_get_str(mp_obj_t self_in); // use this only if you need the string to be null terminated
413
const char *mp_obj_str_get_data(mp_obj_t self_in, uint *len);
414
void mp_str_print_quoted(void (*print)(void *env, const char *fmt, ...), void *env, const byte *str_data, uint str_len);
415
416
417

#if MICROPY_ENABLE_FLOAT
// float
418
419
420
421
typedef struct _mp_obj_float_t {
    mp_obj_base_t base;
    mp_float_t value;
} mp_obj_float_t;
422
mp_float_t mp_obj_float_get(mp_obj_t self_in);
423
mp_obj_t mp_obj_float_binary_op(int op, mp_float_t lhs_val, mp_obj_t rhs);
424
425
426

// complex
void mp_obj_complex_get(mp_obj_t self_in, mp_float_t *real, mp_float_t *imag);
427
mp_obj_t mp_obj_complex_binary_op(int op, mp_float_t lhs_real, mp_float_t lhs_imag, mp_obj_t rhs_in);
428
429
430
431
#endif

// tuple
void mp_obj_tuple_get(mp_obj_t self_in, uint *len, mp_obj_t **items);
John R. Lenton's avatar
John R. Lenton committed
432
void mp_obj_tuple_del(mp_obj_t self_in);
433
machine_int_t mp_obj_tuple_hash(mp_obj_t self_in);
434
mp_obj_t mp_obj_tuple_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args);
435
436
437
438
439

// list
mp_obj_t mp_obj_list_append(mp_obj_t self_in, mp_obj_t arg);
void mp_obj_list_get(mp_obj_t self_in, uint *len, mp_obj_t **items);
void mp_obj_list_store(mp_obj_t self_in, mp_obj_t index, mp_obj_t value);
Damien George's avatar
Damien George committed
440
mp_obj_t mp_obj_list_sort(uint n_args, const mp_obj_t *args, mp_map_t *kwargs);
441
442

// dict
Damien George's avatar
Damien George committed
443
444
445
446
typedef struct _mp_obj_dict_t {
    mp_obj_base_t base;
    mp_map_t map;
} mp_obj_dict_t;
447
uint mp_obj_dict_len(mp_obj_t self_in);
448
mp_obj_t mp_obj_dict_store(mp_obj_t self_in, mp_obj_t key, mp_obj_t value);
449
mp_obj_t mp_obj_dict_delete(mp_obj_t self_in, mp_obj_t key);
Damien George's avatar
Damien George committed
450
mp_map_t *mp_obj_dict_get_map(mp_obj_t self_in);
451
452
453
454

// set
void mp_obj_set_store(mp_obj_t self_in, mp_obj_t item);

455
456
457
// slice
void mp_obj_slice_get(mp_obj_t self_in, machine_int_t *start, machine_int_t *stop, machine_int_t *step);

458
// array
459
uint mp_obj_array_len(mp_obj_t self_in);
460
mp_obj_t mp_obj_new_bytearray_by_ref(uint n, void *items);
John R. Lenton's avatar
John R. Lenton committed
461

462
// functions
463
#define MP_OBJ_FUN_ARGS_MAX (0xffff) // to set maximum value in n_args_max below
464
typedef struct _mp_obj_fun_native_t { // need this so we can define const objects (to go in ROM)
465
    mp_obj_base_t base;
466
    bool is_kw : 1;
467
468
    uint n_args_min : 15; // inclusive
    uint n_args_max : 16; // inclusive
469
    void *fun;
470
471
472
    // TODO add mp_map_t *globals
    // for const function objects, make an empty, const map
    // such functions won't be able to access the global scope, but that's probably okay
473
} mp_obj_fun_native_t;
474

475
void mp_obj_fun_bc_get(mp_obj_t self_in, int *n_args, const byte **code);
476
477
bool mp_obj_fun_prepare_simple_args(mp_obj_t self_in, uint n_args, uint n_kw, const mp_obj_t *args,
                            uint *out_args1_len, const mp_obj_t **out_args1, uint *out_args2_len, const mp_obj_t **out_args2);
478

479
mp_obj_t mp_identity(mp_obj_t self);
480
MP_DECLARE_CONST_FUN_OBJ(mp_identity_obj);
481

482
// module
483
484
485
typedef struct _mp_obj_module_t {
    mp_obj_base_t base;
    qstr name;
Damien George's avatar
Damien George committed
486
    mp_map_t *globals;
487
} mp_obj_module_t;
Damien George's avatar
Damien George committed
488
mp_map_t *mp_obj_module_get_globals(mp_obj_t self_in);
489
490

// staticmethod and classmethod types; defined here so we can make const versions
491
492
// this structure is used for instances of both staticmethod and classmethod
typedef struct _mp_obj_static_class_method_t {
493
494
    mp_obj_base_t base;
    mp_obj_t fun;
495
} mp_obj_static_class_method_t;
496
497
498

// sequence helpers
void mp_seq_multiply(const void *items, uint item_sz, uint len, uint times, void *dest);
499
bool m_seq_get_fast_slice_indexes(machine_uint_t len, mp_obj_t slice, machine_uint_t *begin, machine_uint_t *end);
Paul Sokolovsky's avatar
Paul Sokolovsky committed
500
#define m_seq_copy(dest, src, len, item_t) memcpy(dest, src, len * sizeof(item_t))
501
#define m_seq_cat(dest, src1, len1, src2, len2, item_t) { memcpy(dest, src1, (len1) * sizeof(item_t)); memcpy(dest + (len1), src2, (len2) * sizeof(item_t)); }
502
bool mp_seq_cmp_bytes(int op, const byte *data1, uint len1, const byte *data2, uint len2);
503
bool mp_seq_cmp_objs(int op, const mp_obj_t *items1, uint len1, const mp_obj_t *items2, uint len2);
504
mp_obj_t mp_seq_index_obj(const mp_obj_t *items, uint len, uint n_args, const mp_obj_t *args);
505
mp_obj_t mp_seq_count_obj(const mp_obj_t *items, uint len, mp_obj_t value);