1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/*
* This file is part of the MicroPython 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 <stdlib.h>
#include <assert.h>
#include "py/runtime.h"
void mp_arg_check_num_sig(size_t n_args, size_t n_kw, uint32_t sig) {
// TODO maybe take the function name as an argument so we can print nicer error messages
// The reverse of MP_OBJ_FUN_MAKE_SIG
bool takes_kw = sig & 1;
size_t n_args_min = sig >> 17;
size_t n_args_max = (sig >> 1) & 0xffff;
if (n_kw && !takes_kw) {
#if MICROPY_ERROR_REPORTING <= MICROPY_ERROR_REPORTING_TERSE
mp_arg_error_terse_mismatch();
#else
mp_raise_TypeError(MP_ERROR_TEXT("function doesn't take keyword arguments"));
#endif
}
if (n_args_min == n_args_max) {
if (n_args != n_args_min) {
#if MICROPY_ERROR_REPORTING <= MICROPY_ERROR_REPORTING_TERSE
mp_arg_error_terse_mismatch();
#else
mp_raise_msg_varg(&mp_type_TypeError,
MP_ERROR_TEXT("function takes %d positional arguments but %d were given"),
n_args_min, n_args);
#endif
}
} else {
if (n_args < n_args_min) {
#if MICROPY_ERROR_REPORTING <= MICROPY_ERROR_REPORTING_TERSE
mp_arg_error_terse_mismatch();
#else
mp_raise_msg_varg(&mp_type_TypeError,
MP_ERROR_TEXT("function missing %d required positional arguments"),
n_args_min - n_args);
#endif
} else if (n_args > n_args_max) {
#if MICROPY_ERROR_REPORTING <= MICROPY_ERROR_REPORTING_TERSE
mp_arg_error_terse_mismatch();
#else
mp_raise_msg_varg(&mp_type_TypeError,
MP_ERROR_TEXT("function expected at most %d arguments, got %d"),
n_args_max, n_args);
#endif
}
}
}
void mp_arg_parse_all(size_t n_pos, const mp_obj_t *pos, mp_map_t *kws, size_t n_allowed, const mp_arg_t *allowed, mp_arg_val_t *out_vals) {
size_t pos_found = 0, kws_found = 0;
for (size_t i = 0; i < n_allowed; i++) {
mp_obj_t given_arg;
if (i < n_pos) {
if (allowed[i].flags & MP_ARG_KW_ONLY) {
goto extra_positional;
}
pos_found++;
given_arg = pos[i];
} else {
mp_map_elem_t *kw = mp_map_lookup(kws, MP_OBJ_NEW_QSTR(allowed[i].qst), MP_MAP_LOOKUP);
if (kw == NULL) {
if (allowed[i].flags & MP_ARG_REQUIRED) {
#if MICROPY_ERROR_REPORTING <= MICROPY_ERROR_REPORTING_TERSE
mp_arg_error_terse_mismatch();
#else
mp_raise_msg_varg(&mp_type_TypeError, MP_ERROR_TEXT("'%q' argument required"), allowed[i].qst);
#endif
}
out_vals[i] = allowed[i].defval;
continue;
} else {
kws_found++;
given_arg = kw->value;
}
}
if ((allowed[i].flags & MP_ARG_KIND_MASK) == MP_ARG_BOOL) {
out_vals[i].u_bool = mp_obj_is_true(given_arg);
} else if ((allowed[i].flags & MP_ARG_KIND_MASK) == MP_ARG_INT) {
out_vals[i].u_int = mp_obj_get_int(given_arg);
} else {
assert((allowed[i].flags & MP_ARG_KIND_MASK) == MP_ARG_OBJ);
out_vals[i].u_obj = given_arg;
}
}
if (pos_found < n_pos) {
extra_positional:
#if MICROPY_ERROR_REPORTING <= MICROPY_ERROR_REPORTING_TERSE
mp_arg_error_terse_mismatch();
#else
// TODO better error message
mp_raise_TypeError(MP_ERROR_TEXT("extra positional arguments given"));
#endif
}
if (kws_found < kws->used) {
#if MICROPY_ERROR_REPORTING <= MICROPY_ERROR_REPORTING_TERSE
mp_arg_error_terse_mismatch();
#else
// TODO better error message
mp_raise_TypeError(MP_ERROR_TEXT("extra keyword arguments given"));
#endif
}
}
void mp_arg_parse_all_kw_array(size_t n_pos, size_t n_kw, const mp_obj_t *args, size_t n_allowed, const mp_arg_t *allowed, mp_arg_val_t *out_vals) {
mp_map_t kw_args;
mp_map_init_fixed_table(&kw_args, n_kw, args + n_pos);
mp_arg_parse_all(n_pos, args, &kw_args, n_allowed, allowed, out_vals);
}
NORETURN void mp_arg_error_terse_mismatch(void) {
mp_raise_TypeError(MP_ERROR_TEXT("argument num/types mismatch"));
}
#if MICROPY_CPYTHON_COMPAT
NORETURN void mp_arg_error_unimpl_kw(void) {
mp_raise_NotImplementedError(MP_ERROR_TEXT("keyword argument(s) not yet implemented - use normal args instead"));
}
#endif
|
