Zackery Spytz | 421a72a | 2019-09-12 03:27:14 -0600 | [diff] [blame] | 1 | #ifndef Py_LIMITED_API |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 2 | #ifndef Py_ASDL_H |
| 3 | #define Py_ASDL_H |
| 4 | |
| 5 | typedef PyObject * identifier; |
| 6 | typedef PyObject * string; |
| 7 | typedef PyObject * object; |
Victor Stinner | f2c1aa1 | 2016-01-26 00:40:57 +0100 | [diff] [blame] | 8 | typedef PyObject * constant; |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 9 | |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 10 | /* It would be nice if the code generated by asdl_c.py was completely |
| 11 | independent of Python, but it is a goal the requires too much work |
| 12 | at this stage. So, for example, I'll represent identifiers as |
| 13 | interned Python strings. |
| 14 | */ |
| 15 | |
Pablo Galindo | a5634c4 | 2020-09-16 19:42:00 +0100 | [diff] [blame] | 16 | #define _ASDL_SEQ_HEAD \ |
| 17 | Py_ssize_t size; \ |
| 18 | void **elements; |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 19 | |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 20 | typedef struct { |
Pablo Galindo | a5634c4 | 2020-09-16 19:42:00 +0100 | [diff] [blame] | 21 | _ASDL_SEQ_HEAD |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 22 | } asdl_seq; |
| 23 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 24 | typedef struct { |
Pablo Galindo | a5634c4 | 2020-09-16 19:42:00 +0100 | [diff] [blame] | 25 | _ASDL_SEQ_HEAD |
| 26 | void *typed_elements[1]; |
| 27 | } asdl_generic_seq; |
| 28 | |
| 29 | typedef struct { |
| 30 | _ASDL_SEQ_HEAD |
| 31 | PyObject *typed_elements[1]; |
| 32 | } asdl_identifier_seq; |
| 33 | |
| 34 | typedef struct { |
| 35 | _ASDL_SEQ_HEAD |
| 36 | int typed_elements[1]; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 37 | } asdl_int_seq; |
| 38 | |
Pablo Galindo | a5634c4 | 2020-09-16 19:42:00 +0100 | [diff] [blame] | 39 | asdl_generic_seq *_Py_asdl_generic_seq_new(Py_ssize_t size, PyArena *arena); |
| 40 | asdl_identifier_seq *_Py_asdl_identifier_seq_new(Py_ssize_t size, PyArena *arena); |
Antoine Pitrou | d01d396e | 2013-10-12 22:52:43 +0200 | [diff] [blame] | 41 | asdl_int_seq *_Py_asdl_int_seq_new(Py_ssize_t size, PyArena *arena); |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 42 | |
Pablo Galindo | a5634c4 | 2020-09-16 19:42:00 +0100 | [diff] [blame] | 43 | |
| 44 | #define GENERATE_ASDL_SEQ_CONSTRUCTOR(NAME, TYPE) \ |
| 45 | asdl_ ## NAME ## _seq *_Py_asdl_ ## NAME ## _seq_new(Py_ssize_t size, PyArena *arena) \ |
| 46 | { \ |
| 47 | asdl_ ## NAME ## _seq *seq = NULL; \ |
| 48 | size_t n; \ |
| 49 | /* check size is sane */ \ |
| 50 | if (size < 0 || \ |
| 51 | (size && (((size_t)size - 1) > (SIZE_MAX / sizeof(void *))))) { \ |
| 52 | PyErr_NoMemory(); \ |
| 53 | return NULL; \ |
| 54 | } \ |
| 55 | n = (size ? (sizeof(TYPE *) * (size - 1)) : 0); \ |
| 56 | /* check if size can be added safely */ \ |
| 57 | if (n > SIZE_MAX - sizeof(asdl_ ## NAME ## _seq)) { \ |
| 58 | PyErr_NoMemory(); \ |
| 59 | return NULL; \ |
| 60 | } \ |
| 61 | n += sizeof(asdl_ ## NAME ## _seq); \ |
| 62 | seq = (asdl_ ## NAME ## _seq *)PyArena_Malloc(arena, n); \ |
| 63 | if (!seq) { \ |
| 64 | PyErr_NoMemory(); \ |
| 65 | return NULL; \ |
| 66 | } \ |
| 67 | memset(seq, 0, n); \ |
| 68 | seq->size = size; \ |
| 69 | seq->elements = (void**)seq->typed_elements; \ |
| 70 | return seq; \ |
| 71 | } |
| 72 | |
| 73 | #define asdl_seq_GET_UNTYPED(S, I) (S)->elements[(I)] |
| 74 | #define asdl_seq_GET(S, I) (S)->typed_elements[(I)] |
Jeremy Hylton | a829313 | 2006-02-28 17:58:27 +0000 | [diff] [blame] | 75 | #define asdl_seq_LEN(S) ((S) == NULL ? 0 : (S)->size) |
| 76 | #ifdef Py_DEBUG |
Victor Stinner | 042cb46 | 2013-11-16 00:16:58 +0100 | [diff] [blame] | 77 | #define asdl_seq_SET(S, I, V) \ |
| 78 | do { \ |
| 79 | Py_ssize_t _asdl_i = (I); \ |
| 80 | assert((S) != NULL); \ |
Victor Stinner | 4d73ae7 | 2018-11-22 14:45:16 +0100 | [diff] [blame] | 81 | assert(0 <= _asdl_i && _asdl_i < (S)->size); \ |
Pablo Galindo | a5634c4 | 2020-09-16 19:42:00 +0100 | [diff] [blame] | 82 | (S)->typed_elements[_asdl_i] = (V); \ |
| 83 | } while (0) |
| 84 | #else |
| 85 | #define asdl_seq_SET(S, I, V) (S)->typed_elements[I] = (V) |
| 86 | #endif |
| 87 | |
| 88 | #ifdef Py_DEBUG |
| 89 | #define asdl_seq_SET_UNTYPED(S, I, V) \ |
| 90 | do { \ |
| 91 | Py_ssize_t _asdl_i = (I); \ |
| 92 | assert((S) != NULL); \ |
| 93 | assert(0 <= _asdl_i && _asdl_i < (S)->size); \ |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 94 | (S)->elements[_asdl_i] = (V); \ |
Victor Stinner | 042cb46 | 2013-11-16 00:16:58 +0100 | [diff] [blame] | 95 | } while (0) |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 96 | #else |
Pablo Galindo | a5634c4 | 2020-09-16 19:42:00 +0100 | [diff] [blame] | 97 | #define asdl_seq_SET_UNTYPED(S, I, V) (S)->elements[I] = (V) |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 98 | #endif |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 99 | |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 100 | #endif /* !Py_ASDL_H */ |
Zackery Spytz | 421a72a | 2019-09-12 03:27:14 -0600 | [diff] [blame] | 101 | #endif /* Py_LIMITED_API */ |