Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 1 | /*********************************************************** |
Guido van Rossum | 1d5735e | 1994-08-30 08:27:36 +0000 | [diff] [blame] | 2 | Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum, |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame] | 3 | Amsterdam, The Netherlands. |
Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 4 | |
| 5 | All Rights Reserved |
| 6 | |
| 7 | Permission to use, copy, modify, and distribute this software and its |
| 8 | documentation for any purpose and without fee is hereby granted, |
| 9 | provided that the above copyright notice appear in all copies and that |
| 10 | both that copyright notice and this permission notice appear in |
| 11 | supporting documentation, and that the names of Stichting Mathematisch |
| 12 | Centrum or CWI not be used in advertising or publicity pertaining to |
| 13 | distribution of the software without specific, written prior permission. |
| 14 | |
| 15 | STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO |
| 16 | THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| 17 | FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE |
| 18 | FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 19 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 20 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
| 21 | OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 22 | |
| 23 | ******************************************************************/ |
| 24 | |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 25 | /* Functions used by cgen output */ |
| 26 | |
Guido van Rossum | 76a00af | 1991-07-27 21:34:00 +0000 | [diff] [blame] | 27 | #include "allobjects.h" |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 28 | #include "cgensupport.h" |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 29 | |
| 30 | |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 31 | /* Functions to extract arguments. |
| 32 | These needs to know the total number of arguments supplied, |
| 33 | since the argument list is a tuple only of there is more than |
| 34 | one argument. */ |
| 35 | |
| 36 | int |
| 37 | getiobjectarg(args, nargs, i, p_arg) |
| 38 | register object *args; |
| 39 | int nargs, i; |
| 40 | object **p_arg; |
| 41 | { |
| 42 | if (nargs != 1) { |
| 43 | if (args == NULL || !is_tupleobject(args) || |
| 44 | nargs != gettuplesize(args) || |
| 45 | i < 0 || i >= nargs) { |
| 46 | return err_badarg(); |
| 47 | } |
| 48 | else { |
| 49 | args = gettupleitem(args, i); |
| 50 | } |
| 51 | } |
| 52 | if (args == NULL) { |
| 53 | return err_badarg(); |
| 54 | } |
| 55 | *p_arg = args; |
| 56 | return 1; |
| 57 | } |
| 58 | |
| 59 | int |
| 60 | getilongarg(args, nargs, i, p_arg) |
| 61 | register object *args; |
| 62 | int nargs, i; |
| 63 | long *p_arg; |
| 64 | { |
| 65 | if (nargs != 1) { |
| 66 | if (args == NULL || !is_tupleobject(args) || |
| 67 | nargs != gettuplesize(args) || |
| 68 | i < 0 || i >= nargs) { |
| 69 | return err_badarg(); |
| 70 | } |
| 71 | args = gettupleitem(args, i); |
| 72 | } |
| 73 | if (args == NULL || !is_intobject(args)) { |
| 74 | return err_badarg(); |
| 75 | } |
| 76 | *p_arg = getintvalue(args); |
| 77 | return 1; |
| 78 | } |
| 79 | |
| 80 | int |
| 81 | getishortarg(args, nargs, i, p_arg) |
| 82 | register object *args; |
| 83 | int nargs, i; |
| 84 | short *p_arg; |
| 85 | { |
| 86 | long x; |
| 87 | if (!getilongarg(args, nargs, i, &x)) |
| 88 | return 0; |
| 89 | *p_arg = x; |
| 90 | return 1; |
| 91 | } |
| 92 | |
| 93 | static int |
| 94 | extractdouble(v, p_arg) |
| 95 | register object *v; |
| 96 | double *p_arg; |
| 97 | { |
| 98 | if (v == NULL) { |
| 99 | /* Fall through to error return at end of function */ |
| 100 | } |
| 101 | else if (is_floatobject(v)) { |
| 102 | *p_arg = GETFLOATVALUE((floatobject *)v); |
| 103 | return 1; |
| 104 | } |
| 105 | else if (is_intobject(v)) { |
| 106 | *p_arg = GETINTVALUE((intobject *)v); |
| 107 | return 1; |
| 108 | } |
Guido van Rossum | 76a00af | 1991-07-27 21:34:00 +0000 | [diff] [blame] | 109 | else if (is_longobject(v)) { |
| 110 | *p_arg = dgetlongvalue(v); |
| 111 | return 1; |
| 112 | } |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 113 | return err_badarg(); |
| 114 | } |
| 115 | |
| 116 | static int |
| 117 | extractfloat(v, p_arg) |
| 118 | register object *v; |
| 119 | float *p_arg; |
| 120 | { |
| 121 | if (v == NULL) { |
| 122 | /* Fall through to error return at end of function */ |
| 123 | } |
| 124 | else if (is_floatobject(v)) { |
| 125 | *p_arg = GETFLOATVALUE((floatobject *)v); |
| 126 | return 1; |
| 127 | } |
| 128 | else if (is_intobject(v)) { |
| 129 | *p_arg = GETINTVALUE((intobject *)v); |
| 130 | return 1; |
| 131 | } |
Guido van Rossum | 76a00af | 1991-07-27 21:34:00 +0000 | [diff] [blame] | 132 | else if (is_longobject(v)) { |
| 133 | *p_arg = dgetlongvalue(v); |
| 134 | return 1; |
| 135 | } |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 136 | return err_badarg(); |
| 137 | } |
| 138 | |
| 139 | int |
| 140 | getifloatarg(args, nargs, i, p_arg) |
| 141 | register object *args; |
| 142 | int nargs, i; |
| 143 | float *p_arg; |
| 144 | { |
| 145 | object *v; |
| 146 | float x; |
| 147 | if (!getiobjectarg(args, nargs, i, &v)) |
| 148 | return 0; |
| 149 | if (!extractfloat(v, &x)) |
| 150 | return 0; |
| 151 | *p_arg = x; |
| 152 | return 1; |
| 153 | } |
| 154 | |
| 155 | int |
| 156 | getistringarg(args, nargs, i, p_arg) |
| 157 | object *args; |
| 158 | int nargs, i; |
| 159 | string *p_arg; |
| 160 | { |
| 161 | object *v; |
| 162 | if (!getiobjectarg(args, nargs, i, &v)) |
Guido van Rossum | 7cdf5eb | 1992-04-06 12:34:45 +0000 | [diff] [blame] | 163 | return 0; |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 164 | if (!is_stringobject(v)) { |
| 165 | return err_badarg(); |
| 166 | } |
| 167 | *p_arg = getstringvalue(v); |
| 168 | return 1; |
| 169 | } |
| 170 | |
| 171 | int |
| 172 | getichararg(args, nargs, i, p_arg) |
| 173 | object *args; |
| 174 | int nargs, i; |
| 175 | char *p_arg; |
| 176 | { |
| 177 | string x; |
| 178 | if (!getistringarg(args, nargs, i, &x)) |
| 179 | return 0; |
| 180 | if (x[0] == '\0' || x[1] != '\0') { |
| 181 | /* Not exactly one char */ |
| 182 | return err_badarg(); |
| 183 | } |
| 184 | *p_arg = x[0]; |
| 185 | return 1; |
| 186 | } |
| 187 | |
| 188 | int |
| 189 | getilongarraysize(args, nargs, i, p_arg) |
| 190 | object *args; |
| 191 | int nargs, i; |
| 192 | long *p_arg; |
| 193 | { |
| 194 | object *v; |
| 195 | if (!getiobjectarg(args, nargs, i, &v)) |
| 196 | return 0; |
| 197 | if (is_tupleobject(v)) { |
| 198 | *p_arg = gettuplesize(v); |
| 199 | return 1; |
| 200 | } |
| 201 | if (is_listobject(v)) { |
| 202 | *p_arg = getlistsize(v); |
| 203 | return 1; |
| 204 | } |
| 205 | return err_badarg(); |
| 206 | } |
| 207 | |
| 208 | int |
| 209 | getishortarraysize(args, nargs, i, p_arg) |
| 210 | object *args; |
| 211 | int nargs, i; |
| 212 | short *p_arg; |
| 213 | { |
| 214 | long x; |
| 215 | if (!getilongarraysize(args, nargs, i, &x)) |
| 216 | return 0; |
| 217 | *p_arg = x; |
| 218 | return 1; |
| 219 | } |
| 220 | |
| 221 | /* XXX The following four are too similar. Should share more code. */ |
| 222 | |
| 223 | int |
| 224 | getilongarray(args, nargs, i, n, p_arg) |
| 225 | object *args; |
| 226 | int nargs, i; |
| 227 | int n; |
| 228 | long *p_arg; /* [n] */ |
| 229 | { |
| 230 | object *v, *w; |
| 231 | if (!getiobjectarg(args, nargs, i, &v)) |
| 232 | return 0; |
| 233 | if (is_tupleobject(v)) { |
| 234 | if (gettuplesize(v) != n) { |
| 235 | return err_badarg(); |
| 236 | } |
| 237 | for (i = 0; i < n; i++) { |
| 238 | w = gettupleitem(v, i); |
| 239 | if (!is_intobject(w)) { |
| 240 | return err_badarg(); |
| 241 | } |
| 242 | p_arg[i] = getintvalue(w); |
| 243 | } |
| 244 | return 1; |
| 245 | } |
| 246 | else if (is_listobject(v)) { |
| 247 | if (getlistsize(v) != n) { |
| 248 | return err_badarg(); |
| 249 | } |
| 250 | for (i = 0; i < n; i++) { |
| 251 | w = getlistitem(v, i); |
| 252 | if (!is_intobject(w)) { |
| 253 | return err_badarg(); |
| 254 | } |
| 255 | p_arg[i] = getintvalue(w); |
| 256 | } |
| 257 | return 1; |
| 258 | } |
| 259 | else { |
| 260 | return err_badarg(); |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | int |
| 265 | getishortarray(args, nargs, i, n, p_arg) |
| 266 | object *args; |
| 267 | int nargs, i; |
| 268 | int n; |
| 269 | short *p_arg; /* [n] */ |
| 270 | { |
| 271 | object *v, *w; |
| 272 | if (!getiobjectarg(args, nargs, i, &v)) |
| 273 | return 0; |
| 274 | if (is_tupleobject(v)) { |
| 275 | if (gettuplesize(v) != n) { |
| 276 | return err_badarg(); |
| 277 | } |
| 278 | for (i = 0; i < n; i++) { |
| 279 | w = gettupleitem(v, i); |
| 280 | if (!is_intobject(w)) { |
| 281 | return err_badarg(); |
| 282 | } |
| 283 | p_arg[i] = getintvalue(w); |
| 284 | } |
| 285 | return 1; |
| 286 | } |
| 287 | else if (is_listobject(v)) { |
| 288 | if (getlistsize(v) != n) { |
| 289 | return err_badarg(); |
| 290 | } |
| 291 | for (i = 0; i < n; i++) { |
| 292 | w = getlistitem(v, i); |
| 293 | if (!is_intobject(w)) { |
| 294 | return err_badarg(); |
| 295 | } |
| 296 | p_arg[i] = getintvalue(w); |
| 297 | } |
| 298 | return 1; |
| 299 | } |
| 300 | else { |
| 301 | return err_badarg(); |
| 302 | } |
| 303 | } |
| 304 | |
| 305 | int |
| 306 | getidoublearray(args, nargs, i, n, p_arg) |
| 307 | object *args; |
| 308 | int nargs, i; |
| 309 | int n; |
| 310 | double *p_arg; /* [n] */ |
| 311 | { |
| 312 | object *v, *w; |
| 313 | if (!getiobjectarg(args, nargs, i, &v)) |
| 314 | return 0; |
| 315 | if (is_tupleobject(v)) { |
| 316 | if (gettuplesize(v) != n) { |
| 317 | return err_badarg(); |
| 318 | } |
| 319 | for (i = 0; i < n; i++) { |
| 320 | w = gettupleitem(v, i); |
| 321 | if (!extractdouble(w, &p_arg[i])) |
| 322 | return 0; |
| 323 | } |
| 324 | return 1; |
| 325 | } |
| 326 | else if (is_listobject(v)) { |
| 327 | if (getlistsize(v) != n) { |
| 328 | return err_badarg(); |
| 329 | } |
| 330 | for (i = 0; i < n; i++) { |
| 331 | w = getlistitem(v, i); |
| 332 | if (!extractdouble(w, &p_arg[i])) |
| 333 | return 0; |
| 334 | } |
| 335 | return 1; |
| 336 | } |
| 337 | else { |
| 338 | return err_badarg(); |
| 339 | } |
| 340 | } |
| 341 | |
| 342 | int |
| 343 | getifloatarray(args, nargs, i, n, p_arg) |
| 344 | object *args; |
| 345 | int nargs, i; |
| 346 | int n; |
| 347 | float *p_arg; /* [n] */ |
| 348 | { |
| 349 | object *v, *w; |
| 350 | if (!getiobjectarg(args, nargs, i, &v)) |
| 351 | return 0; |
| 352 | if (is_tupleobject(v)) { |
| 353 | if (gettuplesize(v) != n) { |
| 354 | return err_badarg(); |
| 355 | } |
| 356 | for (i = 0; i < n; i++) { |
| 357 | w = gettupleitem(v, i); |
| 358 | if (!extractfloat(w, &p_arg[i])) |
| 359 | return 0; |
| 360 | } |
| 361 | return 1; |
| 362 | } |
| 363 | else if (is_listobject(v)) { |
| 364 | if (getlistsize(v) != n) { |
| 365 | return err_badarg(); |
| 366 | } |
| 367 | for (i = 0; i < n; i++) { |
| 368 | w = getlistitem(v, i); |
| 369 | if (!extractfloat(w, &p_arg[i])) |
| 370 | return 0; |
| 371 | } |
| 372 | return 1; |
| 373 | } |
| 374 | else { |
| 375 | return err_badarg(); |
| 376 | } |
| 377 | } |