Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 1 | /* Module object implementation */ |
| 2 | |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame^] | 3 | #include "allobjects.h" |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 4 | |
| 5 | typedef struct { |
| 6 | OB_HEAD |
| 7 | object *md_name; |
| 8 | object *md_dict; |
| 9 | } moduleobject; |
| 10 | |
| 11 | object * |
| 12 | newmoduleobject(name) |
| 13 | char *name; |
| 14 | { |
| 15 | moduleobject *m = NEWOBJ(moduleobject, &Moduletype); |
| 16 | if (m == NULL) |
| 17 | return NULL; |
| 18 | m->md_name = newstringobject(name); |
| 19 | m->md_dict = newdictobject(); |
| 20 | if (m->md_name == NULL || m->md_dict == NULL) { |
| 21 | DECREF(m); |
| 22 | return NULL; |
| 23 | } |
| 24 | return (object *)m; |
| 25 | } |
| 26 | |
| 27 | object * |
| 28 | getmoduledict(m) |
| 29 | object *m; |
| 30 | { |
| 31 | if (!is_moduleobject(m)) { |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame^] | 32 | err_badcall(); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 33 | return NULL; |
| 34 | } |
| 35 | return ((moduleobject *)m) -> md_dict; |
| 36 | } |
| 37 | |
Guido van Rossum | 0558a20 | 1990-10-26 15:00:11 +0000 | [diff] [blame] | 38 | char * |
| 39 | getmodulename(m) |
| 40 | object *m; |
| 41 | { |
| 42 | if (!is_moduleobject(m)) { |
| 43 | err_badarg(); |
| 44 | return NULL; |
| 45 | } |
| 46 | return getstringvalue(((moduleobject *)m) -> md_name); |
| 47 | } |
| 48 | |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 49 | /* Methods */ |
| 50 | |
| 51 | static void |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame^] | 52 | module_dealloc(m) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 53 | moduleobject *m; |
| 54 | { |
| 55 | if (m->md_name != NULL) |
| 56 | DECREF(m->md_name); |
| 57 | if (m->md_dict != NULL) |
| 58 | DECREF(m->md_dict); |
| 59 | free((char *)m); |
| 60 | } |
| 61 | |
| 62 | static void |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame^] | 63 | module_print(m, fp, flags) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 64 | moduleobject *m; |
| 65 | FILE *fp; |
| 66 | int flags; |
| 67 | { |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame^] | 68 | fprintf(fp, "<module '%s'>", getstringvalue(m->md_name)); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 69 | } |
| 70 | |
| 71 | static object * |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame^] | 72 | module_repr(m) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 73 | moduleobject *m; |
| 74 | { |
| 75 | char buf[100]; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame^] | 76 | sprintf(buf, "<module '%.80s'>", getstringvalue(m->md_name)); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 77 | return newstringobject(buf); |
| 78 | } |
| 79 | |
| 80 | static object * |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame^] | 81 | module_getattr(m, name) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 82 | moduleobject *m; |
| 83 | char *name; |
| 84 | { |
Guido van Rossum | e87203a | 1990-10-21 22:12:30 +0000 | [diff] [blame] | 85 | object *res; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame^] | 86 | if (strcmp(name, "__dict__") == 0) { |
Guido van Rossum | e87203a | 1990-10-21 22:12:30 +0000 | [diff] [blame] | 87 | INCREF(m->md_dict); |
| 88 | return m->md_dict; |
| 89 | } |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame^] | 90 | if (strcmp(name, "__name__") == 0) { |
| 91 | INCREF(m->md_name); |
| 92 | return m->md_name; |
| 93 | } |
Guido van Rossum | e87203a | 1990-10-21 22:12:30 +0000 | [diff] [blame] | 94 | res = dictlookup(m->md_dict, name); |
Guido van Rossum | 2b654f7 | 1990-10-14 20:03:32 +0000 | [diff] [blame] | 95 | if (res == NULL) |
| 96 | err_setstr(NameError, name); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 97 | else |
| 98 | INCREF(res); |
| 99 | return res; |
| 100 | } |
| 101 | |
| 102 | static int |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame^] | 103 | module_setattr(m, name, v) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 104 | moduleobject *m; |
| 105 | char *name; |
| 106 | object *v; |
| 107 | { |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame^] | 108 | if (strcmp(name, "__dict__") == 0 || strcmp(name, "__name__") == 0) { |
| 109 | err_setstr(NameError, "can't assign to reserved member name"); |
Guido van Rossum | e87203a | 1990-10-21 22:12:30 +0000 | [diff] [blame] | 110 | return NULL; |
| 111 | } |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 112 | if (v == NULL) |
| 113 | return dictremove(m->md_dict, name); |
| 114 | else |
| 115 | return dictinsert(m->md_dict, name, v); |
| 116 | } |
| 117 | |
| 118 | typeobject Moduletype = { |
| 119 | OB_HEAD_INIT(&Typetype) |
| 120 | 0, /*ob_size*/ |
| 121 | "module", /*tp_name*/ |
| 122 | sizeof(moduleobject), /*tp_size*/ |
| 123 | 0, /*tp_itemsize*/ |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame^] | 124 | module_dealloc, /*tp_dealloc*/ |
| 125 | module_print, /*tp_print*/ |
| 126 | module_getattr, /*tp_getattr*/ |
| 127 | module_setattr, /*tp_setattr*/ |
| 128 | 0, /*tp_compare*/ |
| 129 | module_repr, /*tp_repr*/ |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 130 | }; |