Genetic Turmit Evolver
python
c
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cturmit.c 7.7KB

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  1. #include "cturmit.h"
  2. PyMODINIT_FUNC
  3. PyInit_cturmit(void)
  4. {
  5. PyObject* m;
  6. CTurmitType.tp_new = PyType_GenericNew;
  7. if (PyType_Ready(&CTurmitType) < 0)
  8. return NULL;
  9. m = PyModule_Create(&cturmitmodule);
  10. if (m == NULL)
  11. return NULL;
  12. Py_INCREF(&CTurmitType);
  13. PyModule_AddObject(m, "CTurmit", (PyObject *)&CTurmitType);
  14. return m;
  15. }
  16. static int
  17. CTurmit_init(CTurmit *self, PyObject *args, PyObject *kwds)
  18. {
  19. size_t sz;
  20. char err_msg[128];
  21. ssize_t arg_stk_sz, arg_int_max;
  22. char *arg_expr;
  23. int i, ret;
  24. CTurmit *turmit;
  25. PyObject *stack_size, *int_max, *expr, *keys, *asc_str;
  26. PyObject *errtype, *errvalue, *errbck;
  27. PyErr_Fetch(&errtype, &errvalue, &errbck);
  28. turmit = (CTurmit*)PyMapping_GetItemString(kwds, "turmit");
  29. if(turmit)
  30. {
  31. Py_XDECREF(errtype);
  32. Py_XDECREF(errvalue);
  33. Py_XDECREF(errbck);
  34. ret = _CTurmit_copy_init(self, turmit);
  35. Py_DECREF(turmit);
  36. return ret;
  37. }
  38. PyErr_Restore(errtype, errvalue, errbck);
  39. stack_size = int_max = expr = NULL;
  40. self->turmit = NULL;
  41. //Checking arguments
  42. if((sz = PySequence_Length(args)) >= 0)
  43. {
  44. if(sz > 1)
  45. {
  46. PyErr_Restore(errtype, errvalue, errbck);
  47. snprintf(err_msg, 128, "1 positional argument expected \
  48. but %ld found", sz);
  49. PyErr_SetString(PyExc_TypeError,
  50. err_msg);
  51. goto cturmit_init_error;
  52. }
  53. stack_size = PySequence_GetItem(args, 0);
  54. }
  55. if(!stack_size)
  56. {
  57. stack_size = PyMapping_GetItemString(kwds, "stack_size");
  58. PyMapping_DelItemString(kwds, "stack_size");
  59. }
  60. if(stack_size)
  61. {
  62. if(!PyLong_CheckExact(stack_size))
  63. {
  64. PyErr_Restore(errtype, errvalue, errbck);
  65. Py_DECREF(stack_size);
  66. snprintf(err_msg, 128,
  67. "stack_size expected to be an integer");
  68. PyErr_SetString(PyExc_TypeError,
  69. err_msg);
  70. goto cturmit_init_error;
  71. }
  72. arg_stk_sz = PyLong_AsSsize_t(stack_size);
  73. Py_DECREF(stack_size);
  74. if(arg_stk_sz == (size_t)-1 && PyErr_Occurred())
  75. {
  76. PyErr_Restore(errtype, errvalue, errbck);
  77. snprintf(err_msg, 128,
  78. "size_t overflow with stack_size");
  79. PyErr_SetString(PyExc_ValueError,
  80. err_msg);
  81. goto cturmit_init_error;
  82. }
  83. }
  84. else
  85. {
  86. arg_stk_sz = 8;
  87. }
  88. int_max = PyMapping_GetItemString(kwds, "max_int");
  89. PyMapping_DelItemString(kwds, "max_int");
  90. if(int_max)
  91. {
  92. if(!PyLong_CheckExact(int_max))
  93. {
  94. PyErr_Restore(errtype, errvalue, errbck);
  95. snprintf(err_msg, 128,
  96. "int_max expected to be an integer");
  97. PyErr_SetString(PyExc_TypeError,
  98. err_msg);
  99. goto cturmit_init_error;
  100. }
  101. arg_int_max = PyLong_AsSsize_t(int_max);
  102. Py_DECREF(int_max);
  103. if(arg_int_max == (size_t)-1 && PyErr_Occurred())
  104. {
  105. PyErr_Restore(errtype, errvalue, errbck);
  106. PyErr_SetString(PyExc_TypeError,
  107. "size_t overflow with stack_size");
  108. PyErr_SetString(PyExc_ValueError,
  109. err_msg);
  110. goto cturmit_init_error;
  111. }
  112. }
  113. else
  114. {
  115. arg_int_max = 0x10000;
  116. }
  117. expr = PyMapping_GetItemString(kwds, "prog");
  118. PyMapping_DelItemString(kwds, "prog");
  119. if(expr)
  120. {
  121. if(!PyUnicode_Check(expr) && !(expr = PyObject_Str(expr)))
  122. {
  123. PyErr_Restore(errtype, errvalue, errbck);
  124. snprintf(err_msg, 128,
  125. "prog expected to be a string !");
  126. PyErr_SetString(PyExc_TypeError,
  127. err_msg);
  128. goto cturmit_init_error;
  129. }
  130. asc_str = PyUnicode_AsASCIIString(expr);
  131. Py_DECREF(expr);
  132. if(!asc_str)
  133. {
  134. PyErr_Restore(errtype, errvalue, errbck);
  135. snprintf(err_msg, 128,
  136. "prog expected to be an ASCII string");
  137. PyErr_SetString(PyExc_ValueError,
  138. err_msg);
  139. goto cturmit_init_error;
  140. }
  141. arg_expr = (char*)PyBytes_AsString(asc_str);
  142. Py_DECREF(asc_str);
  143. if(!arg_expr)
  144. {
  145. PyErr_Restore(errtype, errvalue, errbck);
  146. snprintf(err_msg, 128,
  147. "Unable to convert prog to Cstring");
  148. PyErr_SetString(PyExc_RuntimeError,
  149. err_msg);
  150. goto cturmit_init_error;
  151. }
  152. }
  153. else
  154. {
  155. arg_expr = "";
  156. }
  157. if(PyMapping_Length(kwds) > 0)
  158. {
  159. keys = PyMapping_Keys(kwds);
  160. strncpy(err_msg, "Unrecognized arguments : '", 128);
  161. for(i=0; i<PyList_Size(keys); i++)
  162. {
  163. asc_str = PyUnicode_AsASCIIString(
  164. PyList_GetItem(keys, i));
  165. strncat(err_msg,
  166. (char*)PyBytes_AsString(asc_str),127);
  167. strncat(err_msg, "', '", 127);
  168. }
  169. Py_DECREF(keys);
  170. strncat(err_msg, "'", 128);
  171. PyErr_Restore(errtype, errvalue, errbck);
  172. PyErr_SetString(PyExc_RuntimeError,
  173. err_msg);
  174. goto cturmit_init_error;
  175. }
  176. PyErr_Restore(errtype, errvalue, errbck);
  177. self->turmit = turmit_alloc(arg_stk_sz, arg_int_max, arg_expr,
  178. TURMIT_AUTOCOMP);
  179. if(self->turmit->err)
  180. {
  181. PyErr_Restore(errtype, errvalue, errbck);
  182. snprintf(err_msg, 128,
  183. "Unable to compile '%s' err : %s", arg_expr,
  184. self->turmit->err_str);
  185. PyErr_SetString(PyExc_ValueError,
  186. err_msg);
  187. goto cturmit_init_error;
  188. }
  189. Py_XDECREF(errtype);
  190. Py_XDECREF(errvalue);
  191. Py_XDECREF(errbck);
  192. return 0;
  193. cturmit_init_error:
  194. Py_XDECREF(errtype);
  195. Py_XDECREF(errvalue);
  196. Py_XDECREF(errbck);
  197. return -1;
  198. }
  199. static PyObject *
  200. CTurmit_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
  201. {
  202. CTurmit *self;
  203. self = (CTurmit *)type->tp_alloc(type, 0);
  204. if(self != NULL) {
  205. //do stuff
  206. }
  207. return (PyObject *)self;
  208. }
  209. void
  210. CTurmit_dealloc(CTurmit *self)
  211. {
  212. if(self->turmit) { turmit_free(self->turmit); }
  213. Py_TYPE(self)->tp_free((PyObject*)self);
  214. }
  215. static int _CTurmit_copy_init(CTurmit *self, CTurmit *t)
  216. {
  217. self->turmit = turmit_copy(t->turmit);
  218. if(!self->turmit)
  219. {
  220. //set error
  221. return -1;
  222. }
  223. return 0;
  224. }
  225. PyObject* CTurmit_call(PyObject *func, PyObject *args, PyObject *kwds)
  226. {
  227. turmit_int res;
  228. PyObject *arg;
  229. CTurmit *self;
  230. turmit_int exec_args[5];
  231. char *argsname[5] = {"x", "y", "r", "g", "b"}; // see TURMIT_VAR_L
  232. char err_msg[64];
  233. int i;
  234. PyObject *errtype, *errvalue, *errbck;
  235. self = (CTurmit*)func;
  236. PyErr_Fetch(&errtype, &errvalue, &errbck);
  237. for(i=0; i<5; i++)
  238. {
  239. arg = PyMapping_GetItemString(kwds, argsname[i]);
  240. if(PyErr_Occurred())
  241. {
  242. PyErr_Restore(errtype, errvalue, errbck);
  243. snprintf(err_msg, 64, "Argument %s missing",
  244. argsname[i]);
  245. PyErr_SetString(PyExc_TypeError,
  246. err_msg);
  247. Py_RETURN_NONE;
  248. }
  249. exec_args[i] = PyLong_AsUnsignedLongLong(arg);
  250. if(PyErr_Occurred())
  251. {
  252. PyErr_Restore(errtype, errvalue, errbck);
  253. snprintf(err_msg, 64, "An integer is required for %s",
  254. argsname[i]);
  255. PyErr_SetString(PyExc_TypeError,
  256. err_msg);
  257. Py_RETURN_NONE;
  258. }
  259. Py_DECREF(arg);
  260. }
  261. res = turmit_exec(self->turmit, exec_args);
  262. return PyLong_FromUnsignedLongLong(res);
  263. }
  264. Py_ssize_t
  265. CTurmit_len(CTurmit *self)
  266. {
  267. return self->len;
  268. }
  269. PyObject* CTurmit__push(CTurmit* self, PyObject *args)
  270. {
  271. char err_msg[128];
  272. size_t sz;
  273. turmit_int ival;
  274. PyObject *val;
  275. PyObject *errtype, *errvalue, *errbck;
  276. PyErr_Fetch(&errtype, &errvalue, &errbck);
  277. if((sz = PySequence_Length(args)) >= 0)
  278. {
  279. if(sz > 1)
  280. {
  281. PyErr_Restore(errtype, errvalue, errbck);
  282. snprintf(err_msg, 128, "1 positional argument expected \
  283. but %ld found", sz);
  284. PyErr_SetString(PyExc_TypeError, err_msg);
  285. Py_RETURN_NONE;
  286. }
  287. val = PySequence_GetItem(args, 0);
  288. }
  289. if(!val)
  290. {
  291. PyErr_Restore(errtype, errvalue, errbck);
  292. PyErr_SetString(PyExc_TypeError,
  293. "Argument val is missing");
  294. Py_RETURN_NONE;
  295. }
  296. ival = PyLong_AsSize_t(val);
  297. if(ival == (size_t)-1 && PyErr_Occurred()) { Py_RETURN_NONE; }
  298. SPUSH(self->turmit, ival);
  299. PyErr_Restore(errtype, errvalue, errbck);
  300. Py_RETURN_NONE;
  301. }
  302. PyObject* CTurmit__pop(CTurmit* self)
  303. {
  304. return PyLong_FromUnsignedLongLong(SPOP(self->turmit));
  305. }
  306. PyObject* CTurmit_get_shead(CTurmit *self, void *ref)
  307. {
  308. return PyLong_FromUnsignedLongLong(SCUR(self->turmit));
  309. }
  310. PyObject* CTurmit_get__cur(CTurmit *self, void *ref)
  311. {
  312. return PyLong_FromSsize_t(self->turmit->stack_cur);
  313. }
  314. PyObject* CTurmit_get__stack(CTurmit *self, void *ref)
  315. {
  316. size_t i;
  317. PyObject *res;
  318. res = PyList_New(self->turmit->stack_sz);
  319. for(i=0; i<self->turmit->stack_sz;i++)
  320. {
  321. PyList_SET_ITEM(res, i,
  322. PyLong_FromUnsignedLongLong(self->turmit->stack[i]));
  323. }
  324. return res;
  325. }