… | |
… | |
28 | #endif |
28 | #endif |
29 | #if USE_MATH |
29 | #if USE_MATH |
30 | # include <math.h> |
30 | # include <math.h> |
31 | #endif |
31 | #endif |
32 | |
32 | |
|
|
33 | #include "ecb.h" |
|
|
34 | |
33 | #include <sys/types.h> |
35 | #include <sys/types.h> |
34 | #include <sys/stat.h> |
36 | #include <sys/stat.h> |
35 | #include <fcntl.h> |
37 | #include <fcntl.h> |
36 | |
38 | |
|
|
39 | #if !USE_ERROR_CHECKING |
|
|
40 | # define NDEBUG |
|
|
41 | #endif |
|
|
42 | |
|
|
43 | #include <assert.h> |
|
|
44 | #include <stdlib.h> |
37 | #include <string.h> |
45 | #include <string.h> |
38 | #include <stdlib.h> |
|
|
39 | |
46 | |
40 | #include <limits.h> |
47 | #include <limits.h> |
41 | #include <inttypes.h> |
48 | #include <inttypes.h> |
42 | #include <float.h> |
49 | #include <float.h> |
43 | //#include <ctype.h> |
50 | //#include <ctype.h> |
|
|
51 | |
|
|
52 | #if '1' != '0' + 1 \ |
|
|
53 | || '2' != '0' + 2 || '3' != '0' + 3 || '4' != '0' + 4 || '5' != '0' + 5 \ |
|
|
54 | || '6' != '0' + 6 || '7' != '0' + 7 || '8' != '0' + 8 || '9' != '0' + 9 \ |
|
|
55 | || 'b' != 'a' + 1 || 'c' != 'a' + 2 || 'd' != 'a' + 3 || 'e' != 'a' + 4 \ |
|
|
56 | || 'f' != 'a' + 5 |
|
|
57 | # error "execution character set digits not consecutive" |
|
|
58 | #endif |
44 | |
59 | |
45 | enum { |
60 | enum { |
46 | TOK_EOF, |
61 | TOK_EOF, |
47 | TOK_LPAREN, |
62 | TOK_LPAREN, |
48 | TOK_RPAREN, |
63 | TOK_RPAREN, |
49 | TOK_DOT, |
64 | TOK_DOT, |
50 | TOK_ATOM, |
65 | TOK_ATOM, |
|
|
66 | TOK_DOTATOM, /* atom name starting with '.' */ |
|
|
67 | TOK_STRATOM, /* atom name enclosed in | */ |
51 | TOK_QUOTE, |
68 | TOK_QUOTE, |
52 | TOK_DQUOTE, |
69 | TOK_DQUOTE, |
53 | TOK_BQUOTE, |
70 | TOK_BQUOTE, |
54 | TOK_COMMA, |
71 | TOK_COMMA, |
55 | TOK_ATMARK, |
72 | TOK_ATMARK, |
… | |
… | |
65 | #define S_T (&SCHEME_V->xT) //TODO: magic ptr value? |
82 | #define S_T (&SCHEME_V->xT) //TODO: magic ptr value? |
66 | #define S_F (&SCHEME_V->xF) //TODO: magic ptr value? |
83 | #define S_F (&SCHEME_V->xF) //TODO: magic ptr value? |
67 | #define S_SINK (&SCHEME_V->xsink) |
84 | #define S_SINK (&SCHEME_V->xsink) |
68 | #define S_EOF (&SCHEME_V->xEOF_OBJ) |
85 | #define S_EOF (&SCHEME_V->xEOF_OBJ) |
69 | |
86 | |
70 | /* should use libecb */ |
|
|
71 | #if __GNUC__ >= 4 |
|
|
72 | # define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
73 | # define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
|
|
74 | # define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
|
|
75 | #endif |
|
|
76 | |
|
|
77 | #if !USE_MULTIPLICITY |
87 | #if !USE_MULTIPLICITY |
78 | static scheme sc; |
88 | static scheme sc; |
79 | #endif |
89 | #endif |
80 | |
90 | |
81 | static void |
91 | static void |
… | |
… | |
150 | |
160 | |
151 | #define toupper(c) xtoupper (c) |
161 | #define toupper(c) xtoupper (c) |
152 | #define tolower(c) xtolower (c) |
162 | #define tolower(c) xtolower (c) |
153 | #define isdigit(c) xisdigit (c) |
163 | #define isdigit(c) xisdigit (c) |
154 | |
164 | |
155 | #if USE_STRLWR |
165 | #if USE_IGNORECASE |
156 | static const char * |
166 | static const char * |
157 | strlwr (char *s) |
167 | xstrlwr (char *s) |
158 | { |
168 | { |
159 | const char *p = s; |
169 | const char *p = s; |
160 | |
170 | |
161 | while (*s) |
171 | while (*s) |
162 | { |
172 | { |
… | |
… | |
164 | s++; |
174 | s++; |
165 | } |
175 | } |
166 | |
176 | |
167 | return p; |
177 | return p; |
168 | } |
178 | } |
169 | #endif |
|
|
170 | |
179 | |
|
|
180 | #define stricmp(a,b) strcasecmp (a, b) |
|
|
181 | #define strlwr(s) xstrlwr (s) |
|
|
182 | |
|
|
183 | #else |
171 | #define stricmp(a,b) strcmp (a, b) |
184 | # define stricmp(a,b) strcmp (a, b) |
172 | #define strlwr(s) (s) |
185 | # define strlwr(s) (s) |
|
|
186 | #endif |
173 | |
187 | |
174 | #ifndef prompt |
188 | #ifndef prompt |
175 | # define prompt "ts> " |
189 | # define prompt "ts> " |
176 | #endif |
190 | #endif |
177 | |
191 | |
… | |
… | |
183 | # define FIRST_CELLSEGS 3 |
197 | # define FIRST_CELLSEGS 3 |
184 | #endif |
198 | #endif |
185 | |
199 | |
186 | enum scheme_types |
200 | enum scheme_types |
187 | { |
201 | { |
|
|
202 | T_INTEGER, |
188 | T_FREE, |
203 | T_REAL, |
189 | T_STRING, |
204 | T_STRING, |
190 | T_NUMBER, |
|
|
191 | T_SYMBOL, |
205 | T_SYMBOL, |
192 | T_PROC, |
206 | T_PROC, |
193 | T_PAIR, |
207 | T_PAIR, /* also used for free cells */ |
194 | T_CLOSURE, |
208 | T_CLOSURE, |
195 | T_CONTINUATION, |
209 | T_CONTINUATION, |
196 | T_FOREIGN, |
210 | T_FOREIGN, |
197 | T_CHARACTER, |
211 | T_CHARACTER, |
198 | T_PORT, |
212 | T_PORT, |
… | |
… | |
208 | #define T_SYNTAX 0x0010 |
222 | #define T_SYNTAX 0x0010 |
209 | #define T_IMMUTABLE 0x0020 |
223 | #define T_IMMUTABLE 0x0020 |
210 | #define T_ATOM 0x0040 /* only for gc */ |
224 | #define T_ATOM 0x0040 /* only for gc */ |
211 | #define T_MARK 0x0080 /* only for gc */ |
225 | #define T_MARK 0x0080 /* only for gc */ |
212 | |
226 | |
213 | static num num_add (num a, num b); |
227 | /* num, for generic arithmetic */ |
214 | static num num_mul (num a, num b); |
228 | struct num |
215 | static num num_div (num a, num b); |
229 | { |
|
|
230 | IVALUE ivalue; |
|
|
231 | #if USE_REAL |
|
|
232 | RVALUE rvalue; |
|
|
233 | char is_fixnum; |
|
|
234 | #endif |
|
|
235 | }; |
|
|
236 | |
|
|
237 | #if USE_REAL |
|
|
238 | # define num_is_fixnum(n) (n).is_fixnum |
|
|
239 | # define num_set_fixnum(n,f) (n).is_fixnum = (f) |
|
|
240 | # define num_ivalue(n) (n).ivalue |
|
|
241 | # define num_rvalue(n) (n).rvalue |
|
|
242 | # define num_set_ivalue(n,i) (n).rvalue = (n).ivalue = (i) |
|
|
243 | # define num_set_rvalue(n,r) (n).rvalue = (r) |
|
|
244 | #else |
|
|
245 | # define num_is_fixnum(n) 1 |
|
|
246 | # define num_set_fixnum(n,f) 0 |
|
|
247 | # define num_ivalue(n) (n).ivalue |
|
|
248 | # define num_rvalue(n) (n).ivalue |
|
|
249 | # define num_set_ivalue(n,i) (n).ivalue = (i) |
|
|
250 | # define num_set_rvalue(n,r) (n).ivalue = (r) |
|
|
251 | #endif |
|
|
252 | |
|
|
253 | enum num_op { NUM_ADD, NUM_SUB, NUM_MUL, NUM_INTDIV }; |
|
|
254 | |
|
|
255 | static num num_op (enum num_op op, num a, num b); |
216 | static num num_intdiv (num a, num b); |
256 | static num num_intdiv (num a, num b); |
217 | static num num_sub (num a, num b); |
|
|
218 | static num num_rem (num a, num b); |
257 | static num num_rem (num a, num b); |
219 | static num num_mod (num a, num b); |
258 | static num num_mod (num a, num b); |
220 | static int num_eq (num a, num b); |
|
|
221 | static int num_gt (num a, num b); |
|
|
222 | static int num_ge (num a, num b); |
|
|
223 | static int num_lt (num a, num b); |
|
|
224 | static int num_le (num a, num b); |
|
|
225 | |
259 | |
226 | #if USE_MATH |
260 | #if USE_MATH |
227 | static double round_per_R5RS (double x); |
261 | static double round_per_R5RS (double x); |
228 | #endif |
262 | #endif |
229 | static int is_zero_rvalue (RVALUE x); |
263 | static int is_zero_rvalue (RVALUE x); |
230 | |
|
|
231 | static INLINE int |
|
|
232 | num_is_integer (pointer p) |
|
|
233 | { |
|
|
234 | return num_is_fixnum (p->object.number); |
|
|
235 | } |
|
|
236 | |
264 | |
237 | static num num_zero; |
265 | static num num_zero; |
238 | static num num_one; |
266 | static num num_one; |
239 | |
267 | |
240 | /* macros for cell operations */ |
268 | /* macros for cell operations */ |
241 | #define typeflag(p) ((p)->flag + 0) |
269 | #define typeflag(p) ((p)->flag + 0) |
242 | #define set_typeflag(p,v) ((p)->flag = (v)) |
270 | #define set_typeflag(p,v) ((p)->flag = (v)) |
243 | #define type(p) (typeflag (p) & T_MASKTYPE) |
271 | #define type(p) (typeflag (p) & T_MASKTYPE) |
244 | |
272 | |
245 | INTERFACE INLINE int |
273 | INTERFACE int |
246 | is_string (pointer p) |
274 | is_string (pointer p) |
247 | { |
275 | { |
248 | return type (p) == T_STRING; |
276 | return type (p) == T_STRING; |
249 | } |
277 | } |
250 | |
278 | |
251 | #define strvalue(p) ((p)->object.string.svalue) |
279 | #define strvalue(p) ((p)->object.string.svalue) |
252 | #define strlength(p) ((p)->object.string.length) |
280 | #define strlength(p) ((p)->object.string.length) |
253 | |
281 | |
254 | INTERFACE int is_list (SCHEME_P_ pointer p); |
|
|
255 | INTERFACE INLINE int |
282 | INTERFACE int |
256 | is_vector (pointer p) |
283 | is_vector (pointer p) |
257 | { |
284 | { |
258 | return type (p) == T_VECTOR; |
285 | return type (p) == T_VECTOR; |
259 | } |
286 | } |
260 | |
287 | |
261 | #define vecvalue(p) ((p)->object.vector.vvalue) |
288 | #define vecvalue(p) ((p)->object.vector.vvalue) |
262 | #define veclength(p) ((p)->object.vector.length) |
289 | #define veclength(p) ((p)->object.vector.length) |
263 | INTERFACE void fill_vector (pointer vec, pointer obj); |
290 | INTERFACE void fill_vector (pointer vec, uint32_t start, pointer obj); |
264 | INTERFACE uint32_t vector_length (pointer vec); |
|
|
265 | INTERFACE pointer vector_elem (pointer vec, uint32_t ielem); |
291 | INTERFACE pointer vector_get (pointer vec, uint32_t ielem); |
266 | INTERFACE void set_vector_elem (pointer vec, uint32_t ielem, pointer a); |
292 | INTERFACE void vector_set (pointer vec, uint32_t ielem, pointer a); |
267 | |
293 | |
268 | INTERFACE uint32_t |
294 | INTERFACE int |
269 | vector_length (pointer vec) |
295 | is_integer (pointer p) |
270 | { |
296 | { |
271 | return vec->object.vector.length; |
297 | return type (p) == T_INTEGER; |
272 | } |
298 | } |
273 | |
299 | |
|
|
300 | /* not the same as in scheme, where integers are (correctly :) reals */ |
274 | INTERFACE INLINE int |
301 | INTERFACE int |
|
|
302 | is_real (pointer p) |
|
|
303 | { |
|
|
304 | return type (p) == T_REAL; |
|
|
305 | } |
|
|
306 | |
|
|
307 | INTERFACE int |
275 | is_number (pointer p) |
308 | is_number (pointer p) |
276 | { |
309 | { |
277 | return type (p) == T_NUMBER; |
310 | return is_integer (p) || is_real (p); |
278 | } |
311 | } |
279 | |
312 | |
280 | INTERFACE INLINE int |
313 | INTERFACE int |
281 | is_integer (pointer p) |
|
|
282 | { |
|
|
283 | if (!is_number (p)) |
|
|
284 | return 0; |
|
|
285 | |
|
|
286 | if (num_is_integer (p) || ivalue (p) == rvalue (p)) |
|
|
287 | return 1; |
|
|
288 | |
|
|
289 | return 0; |
|
|
290 | } |
|
|
291 | |
|
|
292 | INTERFACE INLINE int |
|
|
293 | is_real (pointer p) |
|
|
294 | { |
|
|
295 | return is_number (p) && !num_is_fixnum (p->object.number); |
|
|
296 | } |
|
|
297 | |
|
|
298 | INTERFACE INLINE int |
|
|
299 | is_character (pointer p) |
314 | is_character (pointer p) |
300 | { |
315 | { |
301 | return type (p) == T_CHARACTER; |
316 | return type (p) == T_CHARACTER; |
302 | } |
317 | } |
303 | |
318 | |
304 | INTERFACE INLINE char * |
319 | INTERFACE char * |
305 | string_value (pointer p) |
320 | string_value (pointer p) |
306 | { |
321 | { |
307 | return strvalue (p); |
322 | return strvalue (p); |
308 | } |
323 | } |
309 | |
324 | |
310 | INLINE num |
|
|
311 | nvalue (pointer p) |
|
|
312 | { |
|
|
313 | return (p)->object.number; |
|
|
314 | } |
|
|
315 | |
|
|
316 | static IVALUE |
|
|
317 | num_get_ivalue (const num n) |
|
|
318 | { |
|
|
319 | return num_is_fixnum (n) ? num_ivalue (n) : (IVALUE)num_rvalue (n); |
|
|
320 | } |
|
|
321 | |
|
|
322 | static RVALUE |
|
|
323 | num_get_rvalue (const num n) |
|
|
324 | { |
|
|
325 | return num_is_fixnum (n) ? (RVALUE)num_ivalue (n) : num_rvalue (n); |
|
|
326 | } |
|
|
327 | |
|
|
328 | INTERFACE IVALUE |
|
|
329 | ivalue (pointer p) |
|
|
330 | { |
|
|
331 | return num_get_ivalue (p->object.number); |
|
|
332 | } |
|
|
333 | |
|
|
334 | INTERFACE RVALUE |
|
|
335 | rvalue (pointer p) |
|
|
336 | { |
|
|
337 | return num_get_rvalue (p->object.number); |
|
|
338 | } |
|
|
339 | |
|
|
340 | #define ivalue_unchecked(p) ((p)->object.number.value.ivalue) |
325 | #define ivalue_unchecked(p) (p)->object.ivalue |
|
|
326 | #define set_ivalue(p,v) (p)->object.ivalue = (v) |
|
|
327 | |
341 | #if USE_REAL |
328 | #if USE_REAL |
342 | # define rvalue_unchecked(p) ((p)->object.number.value.rvalue) |
329 | #define rvalue_unchecked(p) (p)->object.rvalue |
343 | # define set_num_integer(p) (p)->object.number.is_fixnum=1; |
330 | #define set_rvalue(p,v) (p)->object.rvalue = (v) |
344 | # define set_num_real(p) (p)->object.number.is_fixnum=0; |
|
|
345 | #else |
331 | #else |
346 | # define rvalue_unchecked(p) ((p)->object.number.value.ivalue) |
332 | #define rvalue_unchecked(p) (p)->object.ivalue |
347 | # define set_num_integer(p) 0 |
333 | #define set_rvalue(p,v) (p)->object.ivalue = (v) |
348 | # define set_num_real(p) 0 |
|
|
349 | #endif |
334 | #endif |
|
|
335 | |
350 | INTERFACE long |
336 | INTERFACE long |
351 | charvalue (pointer p) |
337 | charvalue (pointer p) |
352 | { |
338 | { |
353 | return ivalue_unchecked (p); |
339 | return ivalue_unchecked (p); |
354 | } |
340 | } |
355 | |
341 | |
356 | INTERFACE INLINE int |
342 | INTERFACE int |
357 | is_port (pointer p) |
343 | is_port (pointer p) |
358 | { |
344 | { |
359 | return type (p) == T_PORT; |
345 | return type (p) == T_PORT; |
360 | } |
346 | } |
361 | |
347 | |
362 | INTERFACE INLINE int |
348 | INTERFACE int |
363 | is_inport (pointer p) |
349 | is_inport (pointer p) |
364 | { |
350 | { |
365 | return is_port (p) && p->object.port->kind & port_input; |
351 | return is_port (p) && p->object.port->kind & port_input; |
366 | } |
352 | } |
367 | |
353 | |
368 | INTERFACE INLINE int |
354 | INTERFACE int |
369 | is_outport (pointer p) |
355 | is_outport (pointer p) |
370 | { |
356 | { |
371 | return is_port (p) && p->object.port->kind & port_output; |
357 | return is_port (p) && p->object.port->kind & port_output; |
372 | } |
358 | } |
373 | |
359 | |
374 | INTERFACE INLINE int |
360 | INTERFACE int |
375 | is_pair (pointer p) |
361 | is_pair (pointer p) |
376 | { |
362 | { |
377 | return type (p) == T_PAIR; |
363 | return type (p) == T_PAIR; |
378 | } |
364 | } |
379 | |
365 | |
… | |
… | |
411 | pair_cdr (pointer p) |
397 | pair_cdr (pointer p) |
412 | { |
398 | { |
413 | return cdr (p); |
399 | return cdr (p); |
414 | } |
400 | } |
415 | |
401 | |
416 | INTERFACE INLINE int |
402 | INTERFACE int |
417 | is_symbol (pointer p) |
403 | is_symbol (pointer p) |
418 | { |
404 | { |
419 | return type (p) == T_SYMBOL; |
405 | return type (p) == T_SYMBOL; |
420 | } |
406 | } |
421 | |
407 | |
422 | INTERFACE INLINE char * |
408 | INTERFACE char * |
423 | symname (pointer p) |
409 | symname (pointer p) |
424 | { |
410 | { |
425 | return strvalue (car (p)); |
411 | return strvalue (car (p)); |
426 | } |
412 | } |
427 | |
413 | |
428 | #if USE_PLIST |
414 | #if USE_PLIST |
429 | SCHEME_EXPORT INLINE int |
415 | SCHEME_EXPORT int |
430 | hasprop (pointer p) |
416 | hasprop (pointer p) |
431 | { |
417 | { |
432 | return typeflag (p) & T_SYMBOL; |
418 | return typeflag (p) & T_SYMBOL; |
433 | } |
419 | } |
434 | |
420 | |
435 | # define symprop(p) cdr(p) |
421 | # define symprop(p) cdr(p) |
436 | #endif |
422 | #endif |
437 | |
423 | |
438 | INTERFACE INLINE int |
424 | INTERFACE int |
439 | is_syntax (pointer p) |
425 | is_syntax (pointer p) |
440 | { |
426 | { |
441 | return typeflag (p) & T_SYNTAX; |
427 | return typeflag (p) & T_SYNTAX; |
442 | } |
428 | } |
443 | |
429 | |
444 | INTERFACE INLINE int |
430 | INTERFACE int |
445 | is_proc (pointer p) |
431 | is_proc (pointer p) |
446 | { |
432 | { |
447 | return type (p) == T_PROC; |
433 | return type (p) == T_PROC; |
448 | } |
434 | } |
449 | |
435 | |
450 | INTERFACE INLINE int |
436 | INTERFACE int |
451 | is_foreign (pointer p) |
437 | is_foreign (pointer p) |
452 | { |
438 | { |
453 | return type (p) == T_FOREIGN; |
439 | return type (p) == T_FOREIGN; |
454 | } |
440 | } |
455 | |
441 | |
456 | INTERFACE INLINE char * |
442 | INTERFACE char * |
457 | syntaxname (pointer p) |
443 | syntaxname (pointer p) |
458 | { |
444 | { |
459 | return strvalue (car (p)); |
445 | return strvalue (car (p)); |
460 | } |
446 | } |
461 | |
447 | |
462 | #define procnum(p) ivalue (p) |
448 | #define procnum(p) ivalue_unchecked (p) |
463 | static const char *procname (pointer x); |
449 | static const char *procname (pointer x); |
464 | |
450 | |
465 | INTERFACE INLINE int |
451 | INTERFACE int |
466 | is_closure (pointer p) |
452 | is_closure (pointer p) |
467 | { |
453 | { |
468 | return type (p) == T_CLOSURE; |
454 | return type (p) == T_CLOSURE; |
469 | } |
455 | } |
470 | |
456 | |
471 | INTERFACE INLINE int |
457 | INTERFACE int |
472 | is_macro (pointer p) |
458 | is_macro (pointer p) |
473 | { |
459 | { |
474 | return type (p) == T_MACRO; |
460 | return type (p) == T_MACRO; |
475 | } |
461 | } |
476 | |
462 | |
477 | INTERFACE INLINE pointer |
463 | INTERFACE pointer |
478 | closure_code (pointer p) |
464 | closure_code (pointer p) |
479 | { |
465 | { |
480 | return car (p); |
466 | return car (p); |
481 | } |
467 | } |
482 | |
468 | |
483 | INTERFACE INLINE pointer |
469 | INTERFACE pointer |
484 | closure_env (pointer p) |
470 | closure_env (pointer p) |
485 | { |
471 | { |
486 | return cdr (p); |
472 | return cdr (p); |
487 | } |
473 | } |
488 | |
474 | |
489 | INTERFACE INLINE int |
475 | INTERFACE int |
490 | is_continuation (pointer p) |
476 | is_continuation (pointer p) |
491 | { |
477 | { |
492 | return type (p) == T_CONTINUATION; |
478 | return type (p) == T_CONTINUATION; |
493 | } |
479 | } |
494 | |
480 | |
495 | #define cont_dump(p) cdr (p) |
481 | #define cont_dump(p) cdr (p) |
496 | #define set_cont_dump(p,v) set_cdr ((p), (v)) |
482 | #define set_cont_dump(p,v) set_cdr ((p), (v)) |
497 | |
483 | |
498 | /* To do: promise should be forced ONCE only */ |
484 | /* To do: promise should be forced ONCE only */ |
499 | INTERFACE INLINE int |
485 | INTERFACE int |
500 | is_promise (pointer p) |
486 | is_promise (pointer p) |
501 | { |
487 | { |
502 | return type (p) == T_PROMISE; |
488 | return type (p) == T_PROMISE; |
503 | } |
489 | } |
504 | |
490 | |
505 | INTERFACE INLINE int |
491 | INTERFACE int |
506 | is_environment (pointer p) |
492 | is_environment (pointer p) |
507 | { |
493 | { |
508 | return type (p) == T_ENVIRONMENT; |
494 | return type (p) == T_ENVIRONMENT; |
509 | } |
495 | } |
510 | |
496 | |
… | |
… | |
516 | |
502 | |
517 | #define is_mark(p) (typeflag (p) & T_MARK) |
503 | #define is_mark(p) (typeflag (p) & T_MARK) |
518 | #define setmark(p) set_typeflag ((p), typeflag (p) | T_MARK) |
504 | #define setmark(p) set_typeflag ((p), typeflag (p) | T_MARK) |
519 | #define clrmark(p) set_typeflag ((p), typeflag (p) & ~T_MARK) |
505 | #define clrmark(p) set_typeflag ((p), typeflag (p) & ~T_MARK) |
520 | |
506 | |
521 | INTERFACE INLINE int |
507 | INTERFACE int |
522 | is_immutable (pointer p) |
508 | is_immutable (pointer p) |
523 | { |
509 | { |
524 | return typeflag (p) & T_IMMUTABLE && USE_ERROR_CHECKING; |
510 | return typeflag (p) & T_IMMUTABLE && USE_ERROR_CHECKING; |
525 | } |
511 | } |
526 | |
512 | |
527 | INTERFACE INLINE void |
513 | INTERFACE void |
528 | setimmutable (pointer p) |
514 | setimmutable (pointer p) |
529 | { |
515 | { |
530 | #if USE_ERROR_CHECKING |
516 | #if USE_ERROR_CHECKING |
531 | set_typeflag (p, typeflag (p) | T_IMMUTABLE); |
517 | set_typeflag (p, typeflag (p) | T_IMMUTABLE); |
532 | #endif |
518 | #endif |
533 | } |
519 | } |
534 | |
520 | |
|
|
521 | /* Result is: |
|
|
522 | proper list: length |
|
|
523 | circular list: -1 |
|
|
524 | not even a pair: -2 |
|
|
525 | dotted list: -2 minus length before dot |
|
|
526 | */ |
|
|
527 | INTERFACE int |
|
|
528 | list_length (SCHEME_P_ pointer a) |
|
|
529 | { |
|
|
530 | int i = 0; |
|
|
531 | pointer slow, fast; |
|
|
532 | |
|
|
533 | slow = fast = a; |
|
|
534 | |
|
|
535 | while (1) |
|
|
536 | { |
|
|
537 | if (fast == NIL) |
|
|
538 | return i; |
|
|
539 | |
|
|
540 | if (!is_pair (fast)) |
|
|
541 | return -2 - i; |
|
|
542 | |
|
|
543 | fast = cdr (fast); |
|
|
544 | ++i; |
|
|
545 | |
|
|
546 | if (fast == NIL) |
|
|
547 | return i; |
|
|
548 | |
|
|
549 | if (!is_pair (fast)) |
|
|
550 | return -2 - i; |
|
|
551 | |
|
|
552 | ++i; |
|
|
553 | fast = cdr (fast); |
|
|
554 | |
|
|
555 | /* Safe because we would have already returned if `fast' |
|
|
556 | encountered a non-pair. */ |
|
|
557 | slow = cdr (slow); |
|
|
558 | |
|
|
559 | if (fast == slow) |
|
|
560 | { |
|
|
561 | /* the fast pointer has looped back around and caught up |
|
|
562 | with the slow pointer, hence the structure is circular, |
|
|
563 | not of finite length, and therefore not a list */ |
|
|
564 | return -1; |
|
|
565 | } |
|
|
566 | } |
|
|
567 | } |
|
|
568 | |
|
|
569 | INTERFACE int |
|
|
570 | is_list (SCHEME_P_ pointer a) |
|
|
571 | { |
|
|
572 | return list_length (SCHEME_A_ a) >= 0; |
|
|
573 | } |
|
|
574 | |
535 | #if USE_CHAR_CLASSIFIERS |
575 | #if USE_CHAR_CLASSIFIERS |
536 | static INLINE int |
576 | ecb_inline int |
537 | Cisalpha (int c) |
577 | Cisalpha (int c) |
538 | { |
578 | { |
539 | return isascii (c) && isalpha (c); |
579 | return isascii (c) && isalpha (c); |
540 | } |
580 | } |
541 | |
581 | |
542 | static INLINE int |
582 | ecb_inline int |
543 | Cisdigit (int c) |
583 | Cisdigit (int c) |
544 | { |
584 | { |
545 | return isascii (c) && isdigit (c); |
585 | return isascii (c) && isdigit (c); |
546 | } |
586 | } |
547 | |
587 | |
548 | static INLINE int |
588 | ecb_inline int |
549 | Cisspace (int c) |
589 | Cisspace (int c) |
550 | { |
590 | { |
551 | return isascii (c) && isspace (c); |
591 | return isascii (c) && isspace (c); |
552 | } |
592 | } |
553 | |
593 | |
554 | static INLINE int |
594 | ecb_inline int |
555 | Cisupper (int c) |
595 | Cisupper (int c) |
556 | { |
596 | { |
557 | return isascii (c) && isupper (c); |
597 | return isascii (c) && isupper (c); |
558 | } |
598 | } |
559 | |
599 | |
560 | static INLINE int |
600 | ecb_inline int |
561 | Cislower (int c) |
601 | Cislower (int c) |
562 | { |
602 | { |
563 | return isascii (c) && islower (c); |
603 | return isascii (c) && islower (c); |
564 | } |
604 | } |
565 | #endif |
605 | #endif |
… | |
… | |
626 | #endif |
666 | #endif |
627 | |
667 | |
628 | static int file_push (SCHEME_P_ const char *fname); |
668 | static int file_push (SCHEME_P_ const char *fname); |
629 | static void file_pop (SCHEME_P); |
669 | static void file_pop (SCHEME_P); |
630 | static int file_interactive (SCHEME_P); |
670 | static int file_interactive (SCHEME_P); |
631 | static INLINE int is_one_of (char *s, int c); |
671 | ecb_inline int is_one_of (const char *s, int c); |
632 | static int alloc_cellseg (SCHEME_P_ int n); |
672 | static int alloc_cellseg (SCHEME_P_ int n); |
633 | static INLINE pointer get_cell (SCHEME_P_ pointer a, pointer b); |
673 | ecb_inline pointer get_cell (SCHEME_P_ pointer a, pointer b); |
634 | static void finalize_cell (SCHEME_P_ pointer a); |
674 | static void finalize_cell (SCHEME_P_ pointer a); |
635 | static int count_consecutive_cells (pointer x, int needed); |
675 | static int count_consecutive_cells (pointer x, int needed); |
636 | static pointer find_slot_in_env (SCHEME_P_ pointer env, pointer sym, int all); |
676 | static pointer find_slot_in_env (SCHEME_P_ pointer env, pointer sym, int all); |
637 | static pointer mk_number (SCHEME_P_ const num n); |
677 | static pointer mk_number (SCHEME_P_ const num n); |
638 | static char *store_string (SCHEME_P_ uint32_t len, const char *str, char fill); |
678 | static char *store_string (SCHEME_P_ uint32_t len, const char *str, char fill); |
… | |
… | |
653 | static void mark (pointer a); |
693 | static void mark (pointer a); |
654 | static void gc (SCHEME_P_ pointer a, pointer b); |
694 | static void gc (SCHEME_P_ pointer a, pointer b); |
655 | static int basic_inchar (port *pt); |
695 | static int basic_inchar (port *pt); |
656 | static int inchar (SCHEME_P); |
696 | static int inchar (SCHEME_P); |
657 | static void backchar (SCHEME_P_ int c); |
697 | static void backchar (SCHEME_P_ int c); |
658 | static char *readstr_upto (SCHEME_P_ char *delim); |
698 | static char *readstr_upto (SCHEME_P_ int skip, const char *delim); |
659 | static pointer readstrexp (SCHEME_P); |
699 | static pointer readstrexp (SCHEME_P_ char delim); |
660 | static INLINE int skipspace (SCHEME_P); |
700 | ecb_inline int skipspace (SCHEME_P); |
661 | static int token (SCHEME_P); |
701 | static int token (SCHEME_P); |
662 | static void printslashstring (SCHEME_P_ char *s, int len); |
702 | static void printslashstring (SCHEME_P_ char *s, int len); |
663 | static void atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen); |
703 | static void atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen); |
664 | static void printatom (SCHEME_P_ pointer l, int f); |
704 | static void printatom (SCHEME_P_ pointer l, int f); |
665 | static pointer mk_proc (SCHEME_P_ enum scheme_opcodes op); |
705 | static pointer mk_proc (SCHEME_P_ enum scheme_opcodes op); |
… | |
… | |
669 | static pointer reverse_in_place (SCHEME_P_ pointer term, pointer list); |
709 | static pointer reverse_in_place (SCHEME_P_ pointer term, pointer list); |
670 | static pointer revappend (SCHEME_P_ pointer a, pointer b); |
710 | static pointer revappend (SCHEME_P_ pointer a, pointer b); |
671 | static pointer ss_get_cont (SCHEME_P); |
711 | static pointer ss_get_cont (SCHEME_P); |
672 | static void ss_set_cont (SCHEME_P_ pointer cont); |
712 | static void ss_set_cont (SCHEME_P_ pointer cont); |
673 | static void dump_stack_mark (SCHEME_P); |
713 | static void dump_stack_mark (SCHEME_P); |
674 | static pointer opexe_0 (SCHEME_P_ enum scheme_opcodes op); |
714 | static int opexe_0 (SCHEME_P_ enum scheme_opcodes op); |
|
|
715 | static int opexe_1 (SCHEME_P_ enum scheme_opcodes op); |
675 | static pointer opexe_2 (SCHEME_P_ enum scheme_opcodes op); |
716 | static int opexe_2 (SCHEME_P_ enum scheme_opcodes op); |
676 | static pointer opexe_3 (SCHEME_P_ enum scheme_opcodes op); |
717 | static int opexe_3 (SCHEME_P_ enum scheme_opcodes op); |
677 | static pointer opexe_4 (SCHEME_P_ enum scheme_opcodes op); |
718 | static int opexe_4 (SCHEME_P_ enum scheme_opcodes op); |
678 | static pointer opexe_5 (SCHEME_P_ enum scheme_opcodes op); |
719 | static int opexe_5 (SCHEME_P_ enum scheme_opcodes op); |
679 | static pointer opexe_6 (SCHEME_P_ enum scheme_opcodes op); |
720 | static int opexe_6 (SCHEME_P_ enum scheme_opcodes op); |
680 | static void Eval_Cycle (SCHEME_P_ enum scheme_opcodes op); |
721 | static void Eval_Cycle (SCHEME_P_ enum scheme_opcodes op); |
681 | static void assign_syntax (SCHEME_P_ const char *name); |
722 | static void assign_syntax (SCHEME_P_ const char *name); |
682 | static int syntaxnum (pointer p); |
723 | static int syntaxnum (pointer p); |
683 | static void assign_proc (SCHEME_P_ enum scheme_opcodes, const char *name); |
724 | static void assign_proc (SCHEME_P_ enum scheme_opcodes, const char *name); |
684 | |
725 | |
|
|
726 | static IVALUE |
|
|
727 | ivalue (pointer x) |
|
|
728 | { |
|
|
729 | return is_integer (x) ? ivalue_unchecked (x) : rvalue_unchecked (x); |
|
|
730 | } |
|
|
731 | |
|
|
732 | static RVALUE |
|
|
733 | rvalue (pointer x) |
|
|
734 | { |
|
|
735 | return is_integer (x) ? ivalue_unchecked (x) : rvalue_unchecked (x); |
|
|
736 | } |
|
|
737 | |
|
|
738 | INTERFACE num |
|
|
739 | nvalue (pointer x) |
|
|
740 | { |
|
|
741 | num n; |
|
|
742 | |
|
|
743 | num_set_fixnum (n, is_integer (x)); |
|
|
744 | |
|
|
745 | if (num_is_fixnum (n)) |
|
|
746 | num_set_ivalue (n, ivalue_unchecked (x)); |
|
|
747 | else |
|
|
748 | num_set_rvalue (n, rvalue_unchecked (x)); |
|
|
749 | |
|
|
750 | return n; |
|
|
751 | } |
|
|
752 | |
685 | static num |
753 | static num |
686 | num_add (num a, num b) |
754 | num_op (enum num_op op, num a, num b) |
687 | { |
755 | { |
688 | num ret; |
756 | num ret; |
689 | |
757 | |
690 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
758 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
691 | |
759 | |
692 | if (num_is_fixnum (ret)) |
760 | if (num_is_fixnum (ret)) |
693 | num_set_ivalue (ret, num_get_ivalue (a) + num_get_ivalue (b)); |
761 | { |
|
|
762 | switch (op) |
|
|
763 | { |
|
|
764 | case NUM_ADD: a.ivalue += b.ivalue; break; |
|
|
765 | case NUM_SUB: a.ivalue -= b.ivalue; break; |
|
|
766 | case NUM_MUL: a.ivalue *= b.ivalue; break; |
|
|
767 | case NUM_INTDIV: a.ivalue /= b.ivalue; break; |
|
|
768 | } |
|
|
769 | |
|
|
770 | num_set_ivalue (ret, a.ivalue); |
|
|
771 | } |
|
|
772 | #if USE_REAL |
694 | else |
773 | else |
695 | num_set_rvalue (ret, num_get_rvalue (a) + num_get_rvalue (b)); |
774 | { |
|
|
775 | switch (op) |
|
|
776 | { |
|
|
777 | case NUM_ADD: a.rvalue += b.rvalue; break; |
|
|
778 | case NUM_SUB: a.rvalue -= b.rvalue; break; |
|
|
779 | case NUM_MUL: a.rvalue *= b.rvalue; break; |
|
|
780 | case NUM_INTDIV: a.rvalue /= b.rvalue; break; |
|
|
781 | } |
696 | |
782 | |
697 | return ret; |
783 | num_set_rvalue (ret, a.rvalue); |
698 | } |
784 | } |
699 | |
785 | #endif |
700 | static num |
|
|
701 | num_mul (num a, num b) |
|
|
702 | { |
|
|
703 | num ret; |
|
|
704 | |
|
|
705 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
|
|
706 | |
|
|
707 | if (num_is_fixnum (ret)) |
|
|
708 | num_set_ivalue (ret, num_get_ivalue (a) * num_get_ivalue (b)); |
|
|
709 | else |
|
|
710 | num_set_rvalue (ret, num_get_rvalue (a) * num_get_rvalue (b)); |
|
|
711 | |
786 | |
712 | return ret; |
787 | return ret; |
713 | } |
788 | } |
714 | |
789 | |
715 | static num |
790 | static num |
716 | num_div (num a, num b) |
791 | num_div (num a, num b) |
717 | { |
792 | { |
718 | num ret; |
793 | num ret; |
719 | |
794 | |
720 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b) && num_get_ivalue (a) % num_get_ivalue (b) == 0); |
795 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b) && num_ivalue (a) % num_ivalue (b) == 0); |
721 | |
796 | |
722 | if (num_is_fixnum (ret)) |
797 | if (num_is_fixnum (ret)) |
723 | num_set_ivalue (ret, num_get_ivalue (a) / num_get_ivalue (b)); |
798 | num_set_ivalue (ret, num_ivalue (a) / num_ivalue (b)); |
724 | else |
799 | else |
725 | num_set_rvalue (ret, num_get_rvalue (a) / num_get_rvalue (b)); |
800 | num_set_rvalue (ret, num_rvalue (a) / num_rvalue (b)); |
726 | |
|
|
727 | return ret; |
|
|
728 | } |
|
|
729 | |
|
|
730 | static num |
|
|
731 | num_intdiv (num a, num b) |
|
|
732 | { |
|
|
733 | num ret; |
|
|
734 | |
|
|
735 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
|
|
736 | |
|
|
737 | if (num_is_fixnum (ret)) |
|
|
738 | num_set_ivalue (ret, num_get_ivalue (a) / num_get_ivalue (b)); |
|
|
739 | else |
|
|
740 | num_set_rvalue (ret, num_get_rvalue (a) / num_get_rvalue (b)); |
|
|
741 | |
|
|
742 | return ret; |
|
|
743 | } |
|
|
744 | |
|
|
745 | static num |
|
|
746 | num_sub (num a, num b) |
|
|
747 | { |
|
|
748 | num ret; |
|
|
749 | |
|
|
750 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
|
|
751 | |
|
|
752 | if (num_is_fixnum (ret)) |
|
|
753 | num_set_ivalue (ret, num_get_ivalue (a) - num_get_ivalue (b)); |
|
|
754 | else |
|
|
755 | num_set_rvalue (ret, num_get_rvalue (a) - num_get_rvalue (b)); |
|
|
756 | |
801 | |
757 | return ret; |
802 | return ret; |
758 | } |
803 | } |
759 | |
804 | |
760 | static num |
805 | static num |
… | |
… | |
762 | { |
807 | { |
763 | num ret; |
808 | num ret; |
764 | long e1, e2, res; |
809 | long e1, e2, res; |
765 | |
810 | |
766 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
811 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
767 | e1 = num_get_ivalue (a); |
812 | e1 = num_ivalue (a); |
768 | e2 = num_get_ivalue (b); |
813 | e2 = num_ivalue (b); |
769 | res = e1 % e2; |
814 | res = e1 % e2; |
770 | |
815 | |
771 | /* remainder should have same sign as second operand */ |
816 | /* remainder should have same sign as second operand */ |
772 | if (res > 0) |
817 | if (res > 0) |
773 | { |
818 | { |
… | |
… | |
789 | { |
834 | { |
790 | num ret; |
835 | num ret; |
791 | long e1, e2, res; |
836 | long e1, e2, res; |
792 | |
837 | |
793 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
838 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
794 | e1 = num_get_ivalue (a); |
839 | e1 = num_ivalue (a); |
795 | e2 = num_get_ivalue (b); |
840 | e2 = num_ivalue (b); |
796 | res = e1 % e2; |
841 | res = e1 % e2; |
797 | |
842 | |
798 | /* modulo should have same sign as second operand */ |
843 | /* modulo should have same sign as second operand */ |
799 | if (res * e2 < 0) |
844 | if (res * e2 < 0) |
800 | res += e2; |
845 | res += e2; |
801 | |
846 | |
802 | num_set_ivalue (ret, res); |
847 | num_set_ivalue (ret, res); |
803 | return ret; |
848 | return ret; |
804 | } |
849 | } |
805 | |
850 | |
|
|
851 | /* this completely disrespects NaNs, but r5rs doesn't even allow NaNs */ |
806 | static int |
852 | static int |
807 | num_eq (num a, num b) |
853 | num_cmp (num a, num b) |
808 | { |
854 | { |
|
|
855 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
809 | int ret; |
856 | int ret; |
810 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
|
|
811 | |
857 | |
812 | if (is_fixnum) |
858 | if (is_fixnum) |
813 | ret = num_get_ivalue (a) == num_get_ivalue (b); |
859 | { |
|
|
860 | IVALUE av = num_ivalue (a); |
|
|
861 | IVALUE bv = num_ivalue (b); |
|
|
862 | |
|
|
863 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
|
|
864 | } |
814 | else |
865 | else |
815 | ret = num_get_rvalue (a) == num_get_rvalue (b); |
866 | { |
|
|
867 | RVALUE av = num_rvalue (a); |
|
|
868 | RVALUE bv = num_rvalue (b); |
|
|
869 | |
|
|
870 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
|
|
871 | } |
816 | |
872 | |
817 | return ret; |
873 | return ret; |
818 | } |
|
|
819 | |
|
|
820 | |
|
|
821 | static int |
|
|
822 | num_gt (num a, num b) |
|
|
823 | { |
|
|
824 | int ret; |
|
|
825 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
|
|
826 | |
|
|
827 | if (is_fixnum) |
|
|
828 | ret = num_get_ivalue (a) > num_get_ivalue (b); |
|
|
829 | else |
|
|
830 | ret = num_get_rvalue (a) > num_get_rvalue (b); |
|
|
831 | |
|
|
832 | return ret; |
|
|
833 | } |
|
|
834 | |
|
|
835 | static int |
|
|
836 | num_ge (num a, num b) |
|
|
837 | { |
|
|
838 | return !num_lt (a, b); |
|
|
839 | } |
|
|
840 | |
|
|
841 | static int |
|
|
842 | num_lt (num a, num b) |
|
|
843 | { |
|
|
844 | int ret; |
|
|
845 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
|
|
846 | |
|
|
847 | if (is_fixnum) |
|
|
848 | ret = num_get_ivalue (a) < num_get_ivalue (b); |
|
|
849 | else |
|
|
850 | ret = num_get_rvalue (a) < num_get_rvalue (b); |
|
|
851 | |
|
|
852 | return ret; |
|
|
853 | } |
|
|
854 | |
|
|
855 | static int |
|
|
856 | num_le (num a, num b) |
|
|
857 | { |
|
|
858 | return !num_gt (a, b); |
|
|
859 | } |
874 | } |
860 | |
875 | |
861 | #if USE_MATH |
876 | #if USE_MATH |
862 | |
877 | |
863 | /* Round to nearest. Round to even if midway */ |
878 | /* Round to nearest. Round to even if midway */ |
… | |
… | |
873 | return ce; |
888 | return ce; |
874 | else if (dfl < dce) |
889 | else if (dfl < dce) |
875 | return fl; |
890 | return fl; |
876 | else |
891 | else |
877 | { |
892 | { |
878 | if (fmod (fl, 2.0) == 0.0) /* I imagine this holds */ |
893 | if (fmod (fl, 2) == 0) /* I imagine this holds */ |
879 | return fl; |
894 | return fl; |
880 | else |
895 | else |
881 | return ce; |
896 | return ce; |
882 | } |
897 | } |
883 | } |
898 | } |
884 | #endif |
899 | #endif |
885 | |
900 | |
886 | static int |
901 | static int |
887 | is_zero_rvalue (RVALUE x) |
902 | is_zero_rvalue (RVALUE x) |
888 | { |
903 | { |
|
|
904 | return x == 0; |
|
|
905 | #if 0 |
889 | #if USE_REAL |
906 | #if USE_REAL |
890 | return x < DBL_MIN && x > -DBL_MIN; /* why the hate of denormals? this should be == 0. */ |
907 | return x < DBL_MIN && x > -DBL_MIN; /* why the hate of denormals? this should be == 0. */ |
891 | #else |
908 | #else |
892 | return x == 0; |
909 | return x == 0; |
|
|
910 | #endif |
893 | #endif |
911 | #endif |
894 | } |
912 | } |
895 | |
913 | |
896 | /* allocate new cell segment */ |
914 | /* allocate new cell segment */ |
897 | static int |
915 | static int |
… | |
… | |
918 | return k; |
936 | return k; |
919 | |
937 | |
920 | i = ++SCHEME_V->last_cell_seg; |
938 | i = ++SCHEME_V->last_cell_seg; |
921 | SCHEME_V->alloc_seg[i] = cp; |
939 | SCHEME_V->alloc_seg[i] = cp; |
922 | |
940 | |
923 | /* insert new segment in address order */ |
|
|
924 | newp = (pointer)cp; |
941 | newp = (pointer)cp; |
925 | SCHEME_V->cell_seg[i] = newp; |
942 | SCHEME_V->cell_seg[i] = newp; |
926 | SCHEME_V->cell_segsize[i] = segsize; |
943 | SCHEME_V->cell_segsize[i] = segsize; |
927 | |
|
|
928 | //TODO: insert, not swap |
|
|
929 | while (i > 0 && SCHEME_V->cell_seg[i - 1] > SCHEME_V->cell_seg[i]) |
|
|
930 | { |
|
|
931 | p = SCHEME_V->cell_seg[i]; |
|
|
932 | SCHEME_V->cell_seg[i] = SCHEME_V->cell_seg[i - 1]; |
|
|
933 | SCHEME_V->cell_seg[i - 1] = p; |
|
|
934 | |
|
|
935 | k = SCHEME_V->cell_segsize[i]; |
|
|
936 | SCHEME_V->cell_segsize[i] = SCHEME_V->cell_segsize[i - 1]; |
|
|
937 | SCHEME_V->cell_segsize[i - 1] = k; |
|
|
938 | |
|
|
939 | --i; |
|
|
940 | } |
|
|
941 | |
|
|
942 | SCHEME_V->fcells += segsize; |
944 | SCHEME_V->fcells += segsize; |
943 | last = newp + segsize - 1; |
945 | last = newp + segsize - 1; |
944 | |
946 | |
945 | for (p = newp; p <= last; p++) |
947 | for (p = newp; p <= last; p++) |
946 | { |
948 | { |
947 | set_typeflag (p, T_FREE); |
949 | set_typeflag (p, T_PAIR); |
948 | set_car (p, NIL); |
950 | set_car (p, NIL); |
949 | set_cdr (p, p + 1); |
951 | set_cdr (p, p + 1); |
950 | } |
952 | } |
951 | |
953 | |
952 | /* insert new cells in address order on free list */ |
|
|
953 | if (SCHEME_V->free_cell == NIL || p < SCHEME_V->free_cell) |
|
|
954 | { |
|
|
955 | set_cdr (last, SCHEME_V->free_cell); |
954 | set_cdr (last, SCHEME_V->free_cell); |
956 | SCHEME_V->free_cell = newp; |
955 | SCHEME_V->free_cell = newp; |
957 | } |
|
|
958 | else |
|
|
959 | { |
|
|
960 | p = SCHEME_V->free_cell; |
|
|
961 | |
|
|
962 | while (cdr (p) != NIL && newp > cdr (p)) |
|
|
963 | p = cdr (p); |
|
|
964 | |
|
|
965 | set_cdr (last, cdr (p)); |
|
|
966 | set_cdr (p, newp); |
|
|
967 | } |
|
|
968 | } |
956 | } |
969 | |
957 | |
970 | return n; |
958 | return n; |
971 | } |
959 | } |
972 | |
960 | |
973 | /* get new cell. parameter a, b is marked by gc. */ |
961 | /* get new cell. parameter a, b is marked by gc. */ |
974 | static INLINE pointer |
962 | ecb_inline pointer |
975 | get_cell_x (SCHEME_P_ pointer a, pointer b) |
963 | get_cell_x (SCHEME_P_ pointer a, pointer b) |
976 | { |
964 | { |
977 | if (ecb_expect_false (SCHEME_V->free_cell == NIL)) |
965 | if (ecb_expect_false (SCHEME_V->free_cell == NIL)) |
978 | { |
966 | { |
979 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
967 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
… | |
… | |
1051 | /* Record it as a vector so that gc understands it. */ |
1039 | /* Record it as a vector so that gc understands it. */ |
1052 | set_typeflag (v, T_VECTOR | T_ATOM); |
1040 | set_typeflag (v, T_VECTOR | T_ATOM); |
1053 | |
1041 | |
1054 | v->object.vector.vvalue = e; |
1042 | v->object.vector.vvalue = e; |
1055 | v->object.vector.length = len; |
1043 | v->object.vector.length = len; |
1056 | fill_vector (v, init); |
1044 | fill_vector (v, 0, init); |
1057 | push_recent_alloc (SCHEME_A_ v, NIL); |
1045 | push_recent_alloc (SCHEME_A_ v, NIL); |
1058 | |
1046 | |
1059 | return v; |
1047 | return v; |
1060 | } |
1048 | } |
1061 | |
1049 | |
1062 | static INLINE void |
1050 | ecb_inline void |
1063 | ok_to_freely_gc (SCHEME_P) |
1051 | ok_to_freely_gc (SCHEME_P) |
1064 | { |
1052 | { |
1065 | set_car (S_SINK, NIL); |
1053 | set_car (S_SINK, NIL); |
1066 | } |
1054 | } |
1067 | |
1055 | |
… | |
… | |
1106 | return x; |
1094 | return x; |
1107 | } |
1095 | } |
1108 | |
1096 | |
1109 | /* ========== oblist implementation ========== */ |
1097 | /* ========== oblist implementation ========== */ |
1110 | |
1098 | |
|
|
1099 | static pointer |
|
|
1100 | generate_symbol (SCHEME_P_ const char *name) |
|
|
1101 | { |
|
|
1102 | pointer x = mk_string (SCHEME_A_ name); |
|
|
1103 | setimmutable (x); |
|
|
1104 | x = immutable_cons (x, NIL); |
|
|
1105 | set_typeflag (x, T_SYMBOL); |
|
|
1106 | return x; |
|
|
1107 | } |
|
|
1108 | |
1111 | #ifndef USE_OBJECT_LIST |
1109 | #ifndef USE_OBJECT_LIST |
1112 | |
1110 | |
|
|
1111 | static int |
1113 | static int hash_fn (const char *key, int table_size); |
1112 | hash_fn (const char *key, int table_size) |
|
|
1113 | { |
|
|
1114 | const unsigned char *p = key; |
|
|
1115 | uint32_t hash = 2166136261; |
|
|
1116 | |
|
|
1117 | while (*p) |
|
|
1118 | hash = (hash ^ *p++) * 16777619; |
|
|
1119 | |
|
|
1120 | return hash % table_size; |
|
|
1121 | } |
1114 | |
1122 | |
1115 | static pointer |
1123 | static pointer |
1116 | oblist_initial_value (SCHEME_P) |
1124 | oblist_initial_value (SCHEME_P) |
1117 | { |
1125 | { |
1118 | return mk_vector (SCHEME_A_ 461); /* probably should be bigger */ |
1126 | return mk_vector (SCHEME_A_ 461); /* probably should be bigger */ |
… | |
… | |
1120 | |
1128 | |
1121 | /* returns the new symbol */ |
1129 | /* returns the new symbol */ |
1122 | static pointer |
1130 | static pointer |
1123 | oblist_add_by_name (SCHEME_P_ const char *name) |
1131 | oblist_add_by_name (SCHEME_P_ const char *name) |
1124 | { |
1132 | { |
1125 | int location; |
1133 | pointer x = generate_symbol (SCHEME_A_ name); |
1126 | |
|
|
1127 | pointer x = immutable_cons (mk_string (SCHEME_A_ name), NIL); |
|
|
1128 | set_typeflag (x, T_SYMBOL); |
|
|
1129 | setimmutable (car (x)); |
|
|
1130 | |
|
|
1131 | location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1134 | int location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1132 | set_vector_elem (SCHEME_V->oblist, location, immutable_cons (x, vector_elem (SCHEME_V->oblist, location))); |
1135 | vector_set (SCHEME_V->oblist, location, immutable_cons (x, vector_get (SCHEME_V->oblist, location))); |
1133 | return x; |
1136 | return x; |
1134 | } |
1137 | } |
1135 | |
1138 | |
1136 | static INLINE pointer |
1139 | ecb_inline pointer |
1137 | oblist_find_by_name (SCHEME_P_ const char *name) |
1140 | oblist_find_by_name (SCHEME_P_ const char *name) |
1138 | { |
1141 | { |
1139 | int location; |
1142 | int location; |
1140 | pointer x; |
1143 | pointer x; |
1141 | char *s; |
1144 | char *s; |
1142 | |
1145 | |
1143 | location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1146 | location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1144 | |
1147 | |
1145 | for (x = vector_elem (SCHEME_V->oblist, location); x != NIL; x = cdr (x)) |
1148 | for (x = vector_get (SCHEME_V->oblist, location); x != NIL; x = cdr (x)) |
1146 | { |
1149 | { |
1147 | s = symname (car (x)); |
1150 | s = symname (car (x)); |
1148 | |
1151 | |
1149 | /* case-insensitive, per R5RS section 2 */ |
1152 | /* case-insensitive, per R5RS section 2 */ |
1150 | if (stricmp (name, s) == 0) |
1153 | if (stricmp (name, s) == 0) |
… | |
… | |
1160 | int i; |
1163 | int i; |
1161 | pointer x; |
1164 | pointer x; |
1162 | pointer ob_list = NIL; |
1165 | pointer ob_list = NIL; |
1163 | |
1166 | |
1164 | for (i = 0; i < veclength (SCHEME_V->oblist); i++) |
1167 | for (i = 0; i < veclength (SCHEME_V->oblist); i++) |
1165 | for (x = vector_elem (SCHEME_V->oblist, i); x != NIL; x = cdr (x)) |
1168 | for (x = vector_get (SCHEME_V->oblist, i); x != NIL; x = cdr (x)) |
1166 | ob_list = cons (x, ob_list); |
1169 | ob_list = cons (x, ob_list); |
1167 | |
1170 | |
1168 | return ob_list; |
1171 | return ob_list; |
1169 | } |
1172 | } |
1170 | |
1173 | |
… | |
… | |
1174 | oblist_initial_value (SCHEME_P) |
1177 | oblist_initial_value (SCHEME_P) |
1175 | { |
1178 | { |
1176 | return NIL; |
1179 | return NIL; |
1177 | } |
1180 | } |
1178 | |
1181 | |
1179 | static INLINE pointer |
1182 | ecb_inline pointer |
1180 | oblist_find_by_name (SCHEME_P_ const char *name) |
1183 | oblist_find_by_name (SCHEME_P_ const char *name) |
1181 | { |
1184 | { |
1182 | pointer x; |
1185 | pointer x; |
1183 | char *s; |
1186 | char *s; |
1184 | |
1187 | |
… | |
… | |
1196 | |
1199 | |
1197 | /* returns the new symbol */ |
1200 | /* returns the new symbol */ |
1198 | static pointer |
1201 | static pointer |
1199 | oblist_add_by_name (SCHEME_P_ const char *name) |
1202 | oblist_add_by_name (SCHEME_P_ const char *name) |
1200 | { |
1203 | { |
1201 | pointer x; |
1204 | pointer x = mk_string (SCHEME_A_ name); |
1202 | |
|
|
1203 | x = immutable_cons (mk_string (SCHEME_A_ name), NIL); |
|
|
1204 | set_typeflag (x, T_SYMBOL); |
1205 | set_typeflag (x, T_SYMBOL); |
1205 | setimmutable (car (x)); |
1206 | setimmutable (x); |
1206 | SCHEME_V->oblist = immutable_cons (x, SCHEME_V->oblist); |
1207 | SCHEME_V->oblist = immutable_cons (x, SCHEME_V->oblist); |
1207 | return x; |
1208 | return x; |
1208 | } |
1209 | } |
1209 | |
1210 | |
1210 | static pointer |
1211 | static pointer |
… | |
… | |
1243 | mk_character (SCHEME_P_ int c) |
1244 | mk_character (SCHEME_P_ int c) |
1244 | { |
1245 | { |
1245 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1246 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1246 | |
1247 | |
1247 | set_typeflag (x, (T_CHARACTER | T_ATOM)); |
1248 | set_typeflag (x, (T_CHARACTER | T_ATOM)); |
1248 | ivalue_unchecked (x) = c & 0xff; |
1249 | set_ivalue (x, c & 0xff); |
1249 | set_num_integer (x); |
1250 | |
1250 | return x; |
1251 | return x; |
1251 | } |
1252 | } |
1252 | |
1253 | |
1253 | /* get number atom (integer) */ |
1254 | /* get number atom (integer) */ |
1254 | INTERFACE pointer |
1255 | INTERFACE pointer |
1255 | mk_integer (SCHEME_P_ long num) |
1256 | mk_integer (SCHEME_P_ long n) |
1256 | { |
1257 | { |
1257 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1258 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1258 | |
1259 | |
1259 | set_typeflag (x, (T_NUMBER | T_ATOM)); |
1260 | set_typeflag (x, (T_INTEGER | T_ATOM)); |
1260 | ivalue_unchecked (x) = num; |
1261 | set_ivalue (x, n); |
1261 | set_num_integer (x); |
1262 | |
1262 | return x; |
1263 | return x; |
1263 | } |
1264 | } |
1264 | |
1265 | |
1265 | INTERFACE pointer |
1266 | INTERFACE pointer |
1266 | mk_real (SCHEME_P_ RVALUE n) |
1267 | mk_real (SCHEME_P_ RVALUE n) |
1267 | { |
1268 | { |
|
|
1269 | #if USE_REAL |
1268 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1270 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1269 | |
1271 | |
1270 | set_typeflag (x, (T_NUMBER | T_ATOM)); |
1272 | set_typeflag (x, (T_REAL | T_ATOM)); |
1271 | rvalue_unchecked (x) = n; |
1273 | set_rvalue (x, n); |
1272 | set_num_real (x); |
1274 | |
1273 | return x; |
1275 | return x; |
|
|
1276 | #else |
|
|
1277 | return mk_integer (SCHEME_A_ n); |
|
|
1278 | #endif |
1274 | } |
1279 | } |
1275 | |
1280 | |
1276 | static pointer |
1281 | static pointer |
1277 | mk_number (SCHEME_P_ const num n) |
1282 | mk_number (SCHEME_P_ const num n) |
1278 | { |
1283 | { |
|
|
1284 | #if USE_REAL |
1279 | if (num_is_fixnum (n)) |
1285 | return num_is_fixnum (n) |
|
|
1286 | ? mk_integer (SCHEME_A_ num_ivalue (n)) |
|
|
1287 | : mk_real (SCHEME_A_ num_rvalue (n)); |
|
|
1288 | #else |
1280 | return mk_integer (SCHEME_A_ num_get_ivalue (n)); |
1289 | return mk_integer (SCHEME_A_ num_ivalue (n)); |
1281 | else |
1290 | #endif |
1282 | return mk_real (SCHEME_A_ num_get_rvalue (n)); |
|
|
1283 | } |
1291 | } |
1284 | |
1292 | |
1285 | /* allocate name to string area */ |
1293 | /* allocate name to string area */ |
1286 | static char * |
1294 | static char * |
1287 | store_string (SCHEME_P_ uint32_t len_str, const char *str, char fill) |
1295 | store_string (SCHEME_P_ uint32_t len_str, const char *str, char fill) |
… | |
… | |
1293 | SCHEME_V->no_memory = 1; |
1301 | SCHEME_V->no_memory = 1; |
1294 | return SCHEME_V->strbuff; |
1302 | return SCHEME_V->strbuff; |
1295 | } |
1303 | } |
1296 | |
1304 | |
1297 | if (str) |
1305 | if (str) |
1298 | { |
1306 | memcpy (q, str , len_str); /* caller must ensure that *str has length len_str */ |
1299 | int l = strlen (str); |
|
|
1300 | |
|
|
1301 | if (l > len_str) |
|
|
1302 | l = len_str; |
|
|
1303 | |
|
|
1304 | memcpy (q, str, l); |
|
|
1305 | q[l] = 0; |
|
|
1306 | } |
|
|
1307 | else |
1307 | else |
1308 | { |
|
|
1309 | memset (q, fill, len_str); |
1308 | memset (q, fill, len_str); |
|
|
1309 | |
1310 | q[len_str] = 0; |
1310 | q[len_str] = 0; |
1311 | } |
|
|
1312 | |
1311 | |
1313 | return q; |
1312 | return q; |
1314 | } |
1313 | } |
1315 | |
1314 | |
1316 | INTERFACE pointer |
1315 | INTERFACE pointer |
… | |
… | |
1330 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1329 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1331 | |
1330 | |
1332 | set_typeflag (x, T_STRING | T_ATOM); |
1331 | set_typeflag (x, T_STRING | T_ATOM); |
1333 | strvalue (x) = store_string (SCHEME_A_ len, str, 0); |
1332 | strvalue (x) = store_string (SCHEME_A_ len, str, 0); |
1334 | strlength (x) = len; |
1333 | strlength (x) = len; |
|
|
1334 | |
1335 | return x; |
1335 | return x; |
1336 | } |
1336 | } |
1337 | |
1337 | |
1338 | INTERFACE pointer |
1338 | INTERFACE pointer |
1339 | mk_string (SCHEME_P_ const char *str) |
1339 | mk_string (SCHEME_P_ const char *str) |
… | |
… | |
1346 | { |
1346 | { |
1347 | return get_vector_object (SCHEME_A_ len, NIL); |
1347 | return get_vector_object (SCHEME_A_ len, NIL); |
1348 | } |
1348 | } |
1349 | |
1349 | |
1350 | INTERFACE void |
1350 | INTERFACE void |
1351 | fill_vector (pointer vec, pointer obj) |
1351 | fill_vector (pointer vec, uint32_t start, pointer obj) |
1352 | { |
1352 | { |
1353 | int i; |
1353 | int i; |
1354 | |
1354 | |
1355 | for (i = 0; i < vec->object.vector.length; i++) |
1355 | for (i = start; i < veclength (vec); i++) |
1356 | vecvalue (vec)[i] = obj; |
1356 | vecvalue (vec)[i] = obj; |
1357 | } |
1357 | } |
1358 | |
1358 | |
1359 | INTERFACE pointer |
1359 | INTERFACE pointer |
1360 | vector_elem (pointer vec, uint32_t ielem) |
1360 | vector_get (pointer vec, uint32_t ielem) |
1361 | { |
1361 | { |
1362 | return vecvalue(vec)[ielem]; |
1362 | return vecvalue(vec)[ielem]; |
1363 | } |
1363 | } |
1364 | |
1364 | |
1365 | INTERFACE void |
1365 | INTERFACE void |
1366 | set_vector_elem (pointer vec, uint32_t ielem, pointer a) |
1366 | vector_set (pointer vec, uint32_t ielem, pointer a) |
1367 | { |
1367 | { |
1368 | vecvalue(vec)[ielem] = a; |
1368 | vecvalue(vec)[ielem] = a; |
1369 | } |
1369 | } |
1370 | |
1370 | |
1371 | /* get new symbol */ |
1371 | /* get new symbol */ |
… | |
… | |
1383 | |
1383 | |
1384 | INTERFACE pointer |
1384 | INTERFACE pointer |
1385 | gensym (SCHEME_P) |
1385 | gensym (SCHEME_P) |
1386 | { |
1386 | { |
1387 | pointer x; |
1387 | pointer x; |
1388 | |
|
|
1389 | for (; SCHEME_V->gensym_cnt < LONG_MAX; SCHEME_V->gensym_cnt++) |
|
|
1390 | { |
|
|
1391 | char name[40] = "gensym-"; |
1388 | char name[40] = "gensym-"; |
1392 | xnum (name + 7, SCHEME_V->gensym_cnt); |
1389 | xnum (name + 7, SCHEME_V->gensym_cnt); |
1393 | |
1390 | |
1394 | /* first check oblist */ |
1391 | return generate_symbol (SCHEME_A_ name); |
1395 | x = oblist_find_by_name (SCHEME_A_ name); |
|
|
1396 | |
|
|
1397 | if (x == NIL) |
|
|
1398 | { |
|
|
1399 | x = oblist_add_by_name (SCHEME_A_ name); |
|
|
1400 | return x; |
|
|
1401 | } |
|
|
1402 | } |
|
|
1403 | |
|
|
1404 | return NIL; |
|
|
1405 | } |
1392 | } |
1406 | |
1393 | |
1407 | /* make symbol or number atom from string */ |
1394 | /* make symbol or number atom from string */ |
1408 | static pointer |
1395 | static pointer |
1409 | mk_atom (SCHEME_P_ char *q) |
1396 | mk_atom (SCHEME_P_ char *q) |
… | |
… | |
1463 | } |
1450 | } |
1464 | else if ((c == 'e') || (c == 'E')) |
1451 | else if ((c == 'e') || (c == 'E')) |
1465 | { |
1452 | { |
1466 | if (!has_fp_exp) |
1453 | if (!has_fp_exp) |
1467 | { |
1454 | { |
1468 | has_dec_point = 1; /* decimal point illegal |
1455 | has_dec_point = 1; /* decimal point illegal from now on */ |
1469 | from now on */ |
|
|
1470 | p++; |
1456 | p++; |
1471 | |
1457 | |
1472 | if ((*p == '-') || (*p == '+') || isdigit (*p)) |
1458 | if ((*p == '-') || (*p == '+') || isdigit (*p)) |
1473 | continue; |
1459 | continue; |
1474 | } |
1460 | } |
… | |
… | |
1562 | |
1548 | |
1563 | if (ecb_expect_false (is_vector (p))) |
1549 | if (ecb_expect_false (is_vector (p))) |
1564 | { |
1550 | { |
1565 | int i; |
1551 | int i; |
1566 | |
1552 | |
1567 | for (i = 0; i < p->object.vector.length; i++) |
1553 | for (i = 0; i < veclength (p); i++) |
1568 | mark (vecvalue (p)[i]); |
1554 | mark (vecvalue (p)[i]); |
1569 | } |
1555 | } |
1570 | |
1556 | |
1571 | if (is_atom (p)) |
1557 | if (is_atom (p)) |
1572 | goto E6; |
1558 | goto E6; |
… | |
… | |
1670 | if (is_mark (p)) |
1656 | if (is_mark (p)) |
1671 | clrmark (p); |
1657 | clrmark (p); |
1672 | else |
1658 | else |
1673 | { |
1659 | { |
1674 | /* reclaim cell */ |
1660 | /* reclaim cell */ |
1675 | if (typeflag (p) != T_FREE) |
1661 | if (typeflag (p) != T_PAIR) |
1676 | { |
1662 | { |
1677 | finalize_cell (SCHEME_A_ p); |
1663 | finalize_cell (SCHEME_A_ p); |
1678 | set_typeflag (p, T_FREE); |
1664 | set_typeflag (p, T_PAIR); |
1679 | set_car (p, NIL); |
1665 | set_car (p, NIL); |
1680 | } |
1666 | } |
1681 | |
1667 | |
1682 | ++SCHEME_V->fcells; |
1668 | ++SCHEME_V->fcells; |
1683 | set_cdr (p, SCHEME_V->free_cell); |
1669 | set_cdr (p, SCHEME_V->free_cell); |
… | |
… | |
1685 | } |
1671 | } |
1686 | } |
1672 | } |
1687 | } |
1673 | } |
1688 | |
1674 | |
1689 | if (SCHEME_V->gc_verbose) |
1675 | if (SCHEME_V->gc_verbose) |
|
|
1676 | { |
1690 | xwrstr ("done: "); xwrnum (SCHEME_V->fcells); xwrstr (" cells were recovered.\n"); |
1677 | xwrstr ("done: "); xwrnum (SCHEME_V->fcells); xwrstr (" cells were recovered.\n"); |
|
|
1678 | } |
1691 | } |
1679 | } |
1692 | |
1680 | |
1693 | static void |
1681 | static void |
1694 | finalize_cell (SCHEME_P_ pointer a) |
1682 | finalize_cell (SCHEME_P_ pointer a) |
1695 | { |
1683 | { |
… | |
… | |
2124 | #endif |
2112 | #endif |
2125 | } |
2113 | } |
2126 | |
2114 | |
2127 | /* read characters up to delimiter, but cater to character constants */ |
2115 | /* read characters up to delimiter, but cater to character constants */ |
2128 | static char * |
2116 | static char * |
2129 | readstr_upto (SCHEME_P_ char *delim) |
2117 | readstr_upto (SCHEME_P_ int skip, const char *delim) |
2130 | { |
2118 | { |
2131 | char *p = SCHEME_V->strbuff; |
2119 | char *p = SCHEME_V->strbuff + skip; |
2132 | |
2120 | |
2133 | while ((p - SCHEME_V->strbuff < sizeof (SCHEME_V->strbuff)) && !is_one_of (delim, (*p++ = inchar (SCHEME_A)))); |
2121 | while ((p - SCHEME_V->strbuff < sizeof (SCHEME_V->strbuff)) && !is_one_of (delim, (*p++ = inchar (SCHEME_A)))); |
2134 | |
2122 | |
2135 | if (p == SCHEME_V->strbuff + 2 && p[-2] == '\\') |
2123 | if (p == SCHEME_V->strbuff + 2 && p[-2] == '\\') |
2136 | *p = 0; |
2124 | *p = 0; |
… | |
… | |
2143 | return SCHEME_V->strbuff; |
2131 | return SCHEME_V->strbuff; |
2144 | } |
2132 | } |
2145 | |
2133 | |
2146 | /* read string expression "xxx...xxx" */ |
2134 | /* read string expression "xxx...xxx" */ |
2147 | static pointer |
2135 | static pointer |
2148 | readstrexp (SCHEME_P) |
2136 | readstrexp (SCHEME_P_ char delim) |
2149 | { |
2137 | { |
2150 | char *p = SCHEME_V->strbuff; |
2138 | char *p = SCHEME_V->strbuff; |
2151 | int c; |
2139 | int c; |
2152 | int c1 = 0; |
2140 | int c1 = 0; |
2153 | enum |
|
|
2154 | { st_ok, st_bsl, st_x1, st_x2, st_oct1, st_oct2 } state = st_ok; |
2141 | enum { st_ok, st_bsl, st_x1, st_x2, st_oct1, st_oct2 } state = st_ok; |
2155 | |
2142 | |
2156 | for (;;) |
2143 | for (;;) |
2157 | { |
2144 | { |
2158 | c = inchar (SCHEME_A); |
2145 | c = inchar (SCHEME_A); |
2159 | |
2146 | |
… | |
… | |
2161 | return S_F; |
2148 | return S_F; |
2162 | |
2149 | |
2163 | switch (state) |
2150 | switch (state) |
2164 | { |
2151 | { |
2165 | case st_ok: |
2152 | case st_ok: |
2166 | switch (c) |
2153 | if (ecb_expect_false (c == delim)) |
2167 | { |
|
|
2168 | case '\\': |
|
|
2169 | state = st_bsl; |
|
|
2170 | break; |
|
|
2171 | |
|
|
2172 | case '"': |
|
|
2173 | *p = 0; |
|
|
2174 | return mk_counted_string (SCHEME_A_ SCHEME_V->strbuff, p - SCHEME_V->strbuff); |
2154 | return mk_counted_string (SCHEME_A_ SCHEME_V->strbuff, p - SCHEME_V->strbuff); |
2175 | |
2155 | |
2176 | default: |
2156 | if (ecb_expect_false (c == '\\')) |
|
|
2157 | state = st_bsl; |
|
|
2158 | else |
2177 | *p++ = c; |
2159 | *p++ = c; |
2178 | break; |
|
|
2179 | } |
|
|
2180 | |
2160 | |
2181 | break; |
2161 | break; |
2182 | |
2162 | |
2183 | case st_bsl: |
2163 | case st_bsl: |
2184 | switch (c) |
2164 | switch (c) |
… | |
… | |
2214 | case 'r': |
2194 | case 'r': |
2215 | *p++ = '\r'; |
2195 | *p++ = '\r'; |
2216 | state = st_ok; |
2196 | state = st_ok; |
2217 | break; |
2197 | break; |
2218 | |
2198 | |
2219 | case '"': |
|
|
2220 | *p++ = '"'; |
|
|
2221 | state = st_ok; |
|
|
2222 | break; |
|
|
2223 | |
|
|
2224 | default: |
2199 | default: |
2225 | *p++ = c; |
2200 | *p++ = c; |
2226 | state = st_ok; |
2201 | state = st_ok; |
2227 | break; |
2202 | break; |
2228 | } |
2203 | } |
2229 | |
2204 | |
2230 | break; |
2205 | break; |
2231 | |
2206 | |
2232 | case st_x1: |
2207 | case st_x1: |
2233 | case st_x2: |
2208 | case st_x2: |
2234 | c = toupper (c); |
2209 | c = tolower (c); |
2235 | |
2210 | |
2236 | if (c >= '0' && c <= 'F') |
2211 | if (c >= '0' && c <= '9') |
2237 | { |
|
|
2238 | if (c <= '9') |
|
|
2239 | c1 = (c1 << 4) + c - '0'; |
2212 | c1 = (c1 << 4) + c - '0'; |
2240 | else |
2213 | else if (c >= 'a' && c <= 'f') |
2241 | c1 = (c1 << 4) + c - 'A' + 10; |
2214 | c1 = (c1 << 4) + c - 'a' + 10; |
2242 | |
|
|
2243 | if (state == st_x1) |
|
|
2244 | state = st_x2; |
|
|
2245 | else |
|
|
2246 | { |
|
|
2247 | *p++ = c1; |
|
|
2248 | state = st_ok; |
|
|
2249 | } |
|
|
2250 | } |
|
|
2251 | else |
2215 | else |
2252 | return S_F; |
2216 | return S_F; |
|
|
2217 | |
|
|
2218 | if (state == st_x1) |
|
|
2219 | state = st_x2; |
|
|
2220 | else |
|
|
2221 | { |
|
|
2222 | *p++ = c1; |
|
|
2223 | state = st_ok; |
|
|
2224 | } |
2253 | |
2225 | |
2254 | break; |
2226 | break; |
2255 | |
2227 | |
2256 | case st_oct1: |
2228 | case st_oct1: |
2257 | case st_oct2: |
2229 | case st_oct2: |
… | |
… | |
2261 | backchar (SCHEME_A_ c); |
2233 | backchar (SCHEME_A_ c); |
2262 | state = st_ok; |
2234 | state = st_ok; |
2263 | } |
2235 | } |
2264 | else |
2236 | else |
2265 | { |
2237 | { |
2266 | if (state == st_oct2 && c1 >= 32) |
2238 | if (state == st_oct2 && c1 >= ' ') |
2267 | return S_F; |
2239 | return S_F; |
2268 | |
2240 | |
2269 | c1 = (c1 << 3) + (c - '0'); |
2241 | c1 = (c1 << 3) + (c - '0'); |
2270 | |
2242 | |
2271 | if (state == st_oct1) |
2243 | if (state == st_oct1) |
… | |
… | |
2276 | state = st_ok; |
2248 | state = st_ok; |
2277 | } |
2249 | } |
2278 | } |
2250 | } |
2279 | |
2251 | |
2280 | break; |
2252 | break; |
2281 | |
|
|
2282 | } |
2253 | } |
2283 | } |
2254 | } |
2284 | } |
2255 | } |
2285 | |
2256 | |
2286 | /* check c is in chars */ |
2257 | /* check c is in chars */ |
2287 | static INLINE int |
2258 | ecb_inline int |
2288 | is_one_of (char *s, int c) |
2259 | is_one_of (const char *s, int c) |
2289 | { |
2260 | { |
2290 | if (c == EOF) |
2261 | if (c == EOF) |
2291 | return 1; |
2262 | return 1; |
2292 | |
2263 | |
2293 | return !!strchr (s, c); |
2264 | return !!strchr (s, c); |
2294 | } |
2265 | } |
2295 | |
2266 | |
2296 | /* skip white characters */ |
2267 | /* skip white characters */ |
2297 | static INLINE int |
2268 | ecb_inline int |
2298 | skipspace (SCHEME_P) |
2269 | skipspace (SCHEME_P) |
2299 | { |
2270 | { |
2300 | int c, curr_line = 0; |
2271 | int c, curr_line = 0; |
2301 | |
2272 | |
2302 | do |
2273 | do |
… | |
… | |
2349 | |
2320 | |
2350 | if (is_one_of (" \n\t", c)) |
2321 | if (is_one_of (" \n\t", c)) |
2351 | return TOK_DOT; |
2322 | return TOK_DOT; |
2352 | else |
2323 | else |
2353 | { |
2324 | { |
2354 | //TODO: ungetc twice in a row is not supported in C |
|
|
2355 | backchar (SCHEME_A_ c); |
2325 | backchar (SCHEME_A_ c); |
2356 | backchar (SCHEME_A_ '.'); |
|
|
2357 | return TOK_ATOM; |
2326 | return TOK_DOTATOM; |
2358 | } |
2327 | } |
|
|
2328 | |
|
|
2329 | case '|': |
|
|
2330 | return TOK_STRATOM; |
2359 | |
2331 | |
2360 | case '\'': |
2332 | case '\'': |
2361 | return TOK_QUOTE; |
2333 | return TOK_QUOTE; |
2362 | |
2334 | |
2363 | case ';': |
2335 | case ';': |
… | |
… | |
2530 | { |
2502 | { |
2531 | p = SCHEME_V->strbuff; |
2503 | p = SCHEME_V->strbuff; |
2532 | |
2504 | |
2533 | if (f <= 1 || f == 10) /* f is the base for numbers if > 1 */ |
2505 | if (f <= 1 || f == 10) /* f is the base for numbers if > 1 */ |
2534 | { |
2506 | { |
2535 | if (num_is_integer (l)) |
2507 | if (is_integer (l)) |
2536 | xnum (p, ivalue_unchecked (l)); |
2508 | xnum (p, ivalue_unchecked (l)); |
2537 | #if USE_REAL |
2509 | #if USE_REAL |
2538 | else |
2510 | else |
2539 | { |
2511 | { |
2540 | snprintf (p, STRBUFFSIZE, "%.10g", rvalue_unchecked (l)); |
2512 | snprintf (p, STRBUFFSIZE, "%.10g", rvalue_unchecked (l)); |
… | |
… | |
2795 | return 0; |
2767 | return 0; |
2796 | } |
2768 | } |
2797 | else if (is_number (a)) |
2769 | else if (is_number (a)) |
2798 | { |
2770 | { |
2799 | if (is_number (b)) |
2771 | if (is_number (b)) |
2800 | if (num_is_integer (a) == num_is_integer (b)) |
|
|
2801 | return num_eq (nvalue (a), nvalue (b)); |
2772 | return num_cmp (nvalue (a), nvalue (b)) == 0; |
2802 | |
2773 | |
2803 | return 0; |
2774 | return 0; |
2804 | } |
2775 | } |
2805 | else if (is_character (a)) |
2776 | else if (is_character (a)) |
2806 | { |
2777 | { |
… | |
… | |
2832 | /* () is #t in R5RS */ |
2803 | /* () is #t in R5RS */ |
2833 | #define is_true(p) ((p) != S_F) |
2804 | #define is_true(p) ((p) != S_F) |
2834 | #define is_false(p) ((p) == S_F) |
2805 | #define is_false(p) ((p) == S_F) |
2835 | |
2806 | |
2836 | /* ========== Environment implementation ========== */ |
2807 | /* ========== Environment implementation ========== */ |
2837 | |
|
|
2838 | #if !defined(USE_ALIST_ENV) || !defined(USE_OBJECT_LIST) |
|
|
2839 | |
|
|
2840 | static int |
|
|
2841 | hash_fn (const char *key, int table_size) |
|
|
2842 | { |
|
|
2843 | const unsigned char *p = key; |
|
|
2844 | uint32_t hash = 2166136261; |
|
|
2845 | |
|
|
2846 | while (*p) |
|
|
2847 | hash = (hash ^ *p++) * 16777619; |
|
|
2848 | |
|
|
2849 | return hash % table_size; |
|
|
2850 | } |
|
|
2851 | #endif |
|
|
2852 | |
2808 | |
2853 | #ifndef USE_ALIST_ENV |
2809 | #ifndef USE_ALIST_ENV |
2854 | |
2810 | |
2855 | /* |
2811 | /* |
2856 | * In this implementation, each frame of the environment may be |
2812 | * In this implementation, each frame of the environment may be |
… | |
… | |
2873 | |
2829 | |
2874 | SCHEME_V->envir = immutable_cons (new_frame, old_env); |
2830 | SCHEME_V->envir = immutable_cons (new_frame, old_env); |
2875 | setenvironment (SCHEME_V->envir); |
2831 | setenvironment (SCHEME_V->envir); |
2876 | } |
2832 | } |
2877 | |
2833 | |
2878 | static INLINE void |
2834 | static uint32_t |
|
|
2835 | sym_hash (pointer sym, uint32_t size) |
|
|
2836 | { |
|
|
2837 | uintptr_t ptr = (uintptr_t)sym; |
|
|
2838 | |
|
|
2839 | #if 0 |
|
|
2840 | /* table size is prime, so why mix */ |
|
|
2841 | ptr += ptr >> 32; |
|
|
2842 | ptr += ptr >> 16; |
|
|
2843 | ptr += ptr >> 8; |
|
|
2844 | #endif |
|
|
2845 | |
|
|
2846 | return ptr % size; |
|
|
2847 | } |
|
|
2848 | |
|
|
2849 | ecb_inline void |
2879 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2850 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2880 | { |
2851 | { |
2881 | pointer slot = immutable_cons (variable, value); |
2852 | pointer slot = immutable_cons (variable, value); |
2882 | |
2853 | |
2883 | if (is_vector (car (env))) |
2854 | if (is_vector (car (env))) |
2884 | { |
2855 | { |
2885 | int location = hash_fn (symname (variable), veclength (car (env))); |
2856 | int location = sym_hash (variable, veclength (car (env))); |
2886 | |
|
|
2887 | set_vector_elem (car (env), location, immutable_cons (slot, vector_elem (car (env), location))); |
2857 | vector_set (car (env), location, immutable_cons (slot, vector_get (car (env), location))); |
2888 | } |
2858 | } |
2889 | else |
2859 | else |
2890 | set_car (env, immutable_cons (slot, car (env))); |
2860 | set_car (env, immutable_cons (slot, car (env))); |
2891 | } |
2861 | } |
2892 | |
2862 | |
2893 | static pointer |
2863 | static pointer |
2894 | find_slot_in_env (SCHEME_P_ pointer env, pointer hdl, int all) |
2864 | find_slot_in_env (SCHEME_P_ pointer env, pointer hdl, int all) |
2895 | { |
2865 | { |
2896 | pointer x, y; |
2866 | pointer x, y; |
2897 | int location; |
|
|
2898 | |
2867 | |
2899 | for (x = env; x != NIL; x = cdr (x)) |
2868 | for (x = env; x != NIL; x = cdr (x)) |
2900 | { |
2869 | { |
2901 | if (is_vector (car (x))) |
2870 | if (is_vector (car (x))) |
2902 | { |
2871 | { |
2903 | location = hash_fn (symname (hdl), veclength (car (x))); |
2872 | int location = sym_hash (hdl, veclength (car (x))); |
2904 | y = vector_elem (car (x), location); |
2873 | y = vector_get (car (x), location); |
2905 | } |
2874 | } |
2906 | else |
2875 | else |
2907 | y = car (x); |
2876 | y = car (x); |
2908 | |
2877 | |
2909 | for (; y != NIL; y = cdr (y)) |
2878 | for (; y != NIL; y = cdr (y)) |
2910 | if (caar (y) == hdl) |
2879 | if (caar (y) == hdl) |
2911 | break; |
2880 | break; |
2912 | |
2881 | |
2913 | if (y != NIL) |
2882 | if (y != NIL) |
|
|
2883 | return car (y); |
|
|
2884 | |
|
|
2885 | if (!all) |
2914 | break; |
2886 | break; |
2915 | |
|
|
2916 | if (!all) |
|
|
2917 | return NIL; |
|
|
2918 | } |
2887 | } |
2919 | |
|
|
2920 | if (x != NIL) |
|
|
2921 | return car (y); |
|
|
2922 | |
2888 | |
2923 | return NIL; |
2889 | return NIL; |
2924 | } |
2890 | } |
2925 | |
2891 | |
2926 | #else /* USE_ALIST_ENV */ |
2892 | #else /* USE_ALIST_ENV */ |
2927 | |
2893 | |
2928 | static INLINE void |
2894 | ecb_inline void |
2929 | new_frame_in_env (SCHEME_P_ pointer old_env) |
2895 | new_frame_in_env (SCHEME_P_ pointer old_env) |
2930 | { |
2896 | { |
2931 | SCHEME_V->envir = immutable_cons (NIL, old_env); |
2897 | SCHEME_V->envir = immutable_cons (NIL, old_env); |
2932 | setenvironment (SCHEME_V->envir); |
2898 | setenvironment (SCHEME_V->envir); |
2933 | } |
2899 | } |
2934 | |
2900 | |
2935 | static INLINE void |
2901 | ecb_inline void |
2936 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2902 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2937 | { |
2903 | { |
2938 | set_car (env, immutable_cons (immutable_cons (variable, value), car (env))); |
2904 | set_car (env, immutable_cons (immutable_cons (variable, value), car (env))); |
2939 | } |
2905 | } |
2940 | |
2906 | |
… | |
… | |
2948 | for (y = car (x); y != NIL; y = cdr (y)) |
2914 | for (y = car (x); y != NIL; y = cdr (y)) |
2949 | if (caar (y) == hdl) |
2915 | if (caar (y) == hdl) |
2950 | break; |
2916 | break; |
2951 | |
2917 | |
2952 | if (y != NIL) |
2918 | if (y != NIL) |
|
|
2919 | return car (y); |
2953 | break; |
2920 | break; |
2954 | |
2921 | |
2955 | if (!all) |
2922 | if (!all) |
2956 | return NIL; |
2923 | break; |
2957 | } |
2924 | } |
2958 | |
|
|
2959 | if (x != NIL) |
|
|
2960 | return car (y); |
|
|
2961 | |
2925 | |
2962 | return NIL; |
2926 | return NIL; |
2963 | } |
2927 | } |
2964 | |
2928 | |
2965 | #endif /* USE_ALIST_ENV else */ |
2929 | #endif /* USE_ALIST_ENV else */ |
2966 | |
2930 | |
2967 | static INLINE void |
2931 | ecb_inline void |
2968 | new_slot_in_env (SCHEME_P_ pointer variable, pointer value) |
2932 | new_slot_in_env (SCHEME_P_ pointer variable, pointer value) |
2969 | { |
2933 | { |
2970 | new_slot_spec_in_env (SCHEME_A_ SCHEME_V->envir, variable, value); |
2934 | new_slot_spec_in_env (SCHEME_A_ SCHEME_V->envir, variable, value); |
2971 | } |
2935 | } |
2972 | |
2936 | |
2973 | static INLINE void |
2937 | ecb_inline void |
2974 | set_slot_in_env (SCHEME_P_ pointer slot, pointer value) |
2938 | set_slot_in_env (SCHEME_P_ pointer slot, pointer value) |
2975 | { |
2939 | { |
2976 | set_cdr (slot, value); |
2940 | set_cdr (slot, value); |
2977 | } |
2941 | } |
2978 | |
2942 | |
2979 | static INLINE pointer |
2943 | ecb_inline pointer |
2980 | slot_value_in_env (pointer slot) |
2944 | slot_value_in_env (pointer slot) |
2981 | { |
2945 | { |
2982 | return cdr (slot); |
2946 | return cdr (slot); |
2983 | } |
2947 | } |
2984 | |
2948 | |
2985 | /* ========== Evaluation Cycle ========== */ |
2949 | /* ========== Evaluation Cycle ========== */ |
2986 | |
2950 | |
2987 | static pointer |
2951 | static int |
2988 | xError_1 (SCHEME_P_ const char *s, pointer a) |
2952 | xError_1 (SCHEME_P_ const char *s, pointer a) |
2989 | { |
2953 | { |
2990 | #if USE_ERROR_HOOK |
2954 | #if USE_ERROR_HOOK |
2991 | pointer x; |
2955 | pointer x; |
2992 | pointer hdl = SCHEME_V->ERROR_HOOK; |
2956 | pointer hdl = SCHEME_V->ERROR_HOOK; |
… | |
… | |
3027 | code = cons (mk_string (SCHEME_A_ s), code); |
2991 | code = cons (mk_string (SCHEME_A_ s), code); |
3028 | setimmutable (car (code)); |
2992 | setimmutable (car (code)); |
3029 | SCHEME_V->code = cons (slot_value_in_env (x), code); |
2993 | SCHEME_V->code = cons (slot_value_in_env (x), code); |
3030 | SCHEME_V->op = OP_EVAL; |
2994 | SCHEME_V->op = OP_EVAL; |
3031 | |
2995 | |
3032 | return S_T; |
2996 | return 0; |
3033 | } |
2997 | } |
3034 | #endif |
2998 | #endif |
3035 | |
2999 | |
3036 | if (a) |
3000 | if (a) |
3037 | SCHEME_V->args = cons (a, NIL); |
3001 | SCHEME_V->args = cons (a, NIL); |
… | |
… | |
3039 | SCHEME_V->args = NIL; |
3003 | SCHEME_V->args = NIL; |
3040 | |
3004 | |
3041 | SCHEME_V->args = cons (mk_string (SCHEME_A_ s), SCHEME_V->args); |
3005 | SCHEME_V->args = cons (mk_string (SCHEME_A_ s), SCHEME_V->args); |
3042 | setimmutable (car (SCHEME_V->args)); |
3006 | setimmutable (car (SCHEME_V->args)); |
3043 | SCHEME_V->op = OP_ERR0; |
3007 | SCHEME_V->op = OP_ERR0; |
|
|
3008 | |
3044 | return S_T; |
3009 | return 0; |
3045 | } |
3010 | } |
3046 | |
3011 | |
3047 | #define Error_1(s, a) return xError_1(SCHEME_A_ USE_ERROR_CHECKING ? s : "", a) |
3012 | #define Error_1(s, a) return xError_1(SCHEME_A_ USE_ERROR_CHECKING ? s : "", a) |
3048 | #define Error_0(s) Error_1 (s, 0) |
3013 | #define Error_0(s) Error_1 (s, 0) |
3049 | |
3014 | |
3050 | /* Too small to turn into function */ |
3015 | /* Too small to turn into function */ |
3051 | #define BEGIN do { |
3016 | #define BEGIN do { |
3052 | #define END } while (0) |
3017 | #define END } while (0) |
3053 | #define s_goto(a) BEGIN \ |
3018 | #define s_goto(a) BEGIN \ |
3054 | SCHEME_V->op = a; \ |
3019 | SCHEME_V->op = a; \ |
3055 | return S_T; END |
3020 | return 0; END |
3056 | |
3021 | |
3057 | #define s_return(a) return xs_return (SCHEME_A_ a) |
3022 | #define s_return(a) return xs_return (SCHEME_A_ a) |
3058 | |
3023 | |
3059 | #ifndef USE_SCHEME_STACK |
3024 | #ifndef USE_SCHEME_STACK |
3060 | |
3025 | |
… | |
… | |
3085 | next_frame = SCHEME_V->dump_base + nframes; |
3050 | next_frame = SCHEME_V->dump_base + nframes; |
3086 | |
3051 | |
3087 | next_frame->op = op; |
3052 | next_frame->op = op; |
3088 | next_frame->args = args; |
3053 | next_frame->args = args; |
3089 | next_frame->envir = SCHEME_V->envir; |
3054 | next_frame->envir = SCHEME_V->envir; |
3090 | next_frame->code = code; |
3055 | next_frame->code = code; |
3091 | |
3056 | |
3092 | SCHEME_V->dump = (pointer)(uintptr_t)(nframes + 1); |
3057 | SCHEME_V->dump = (pointer)(uintptr_t)(nframes + 1); |
3093 | } |
3058 | } |
3094 | |
3059 | |
3095 | static pointer |
3060 | static int |
3096 | xs_return (SCHEME_P_ pointer a) |
3061 | xs_return (SCHEME_P_ pointer a) |
3097 | { |
3062 | { |
3098 | int nframes = (uintptr_t)SCHEME_V->dump; |
3063 | int nframes = (uintptr_t)SCHEME_V->dump; |
3099 | struct dump_stack_frame *frame; |
3064 | struct dump_stack_frame *frame; |
3100 | |
3065 | |
3101 | SCHEME_V->value = a; |
3066 | SCHEME_V->value = a; |
3102 | |
3067 | |
3103 | if (nframes <= 0) |
3068 | if (nframes <= 0) |
3104 | return NIL; |
3069 | return -1; |
3105 | |
3070 | |
3106 | frame = &SCHEME_V->dump_base[--nframes]; |
3071 | frame = &SCHEME_V->dump_base[--nframes]; |
3107 | SCHEME_V->op = frame->op; |
3072 | SCHEME_V->op = frame->op; |
3108 | SCHEME_V->args = frame->args; |
3073 | SCHEME_V->args = frame->args; |
3109 | SCHEME_V->envir = frame->envir; |
3074 | SCHEME_V->envir = frame->envir; |
3110 | SCHEME_V->code = frame->code; |
3075 | SCHEME_V->code = frame->code; |
3111 | SCHEME_V->dump = (pointer)(uintptr_t)nframes; |
3076 | SCHEME_V->dump = (pointer)(uintptr_t)nframes; |
3112 | |
3077 | |
3113 | return S_T; |
3078 | return 0; |
3114 | } |
3079 | } |
3115 | |
3080 | |
3116 | static INLINE void |
3081 | ecb_inline void |
3117 | dump_stack_reset (SCHEME_P) |
3082 | dump_stack_reset (SCHEME_P) |
3118 | { |
3083 | { |
3119 | /* in this implementation, SCHEME_V->dump is the number of frames on the stack */ |
3084 | /* in this implementation, SCHEME_V->dump is the number of frames on the stack */ |
3120 | SCHEME_V->dump = (pointer)+0; |
3085 | SCHEME_V->dump = (pointer)+0; |
3121 | } |
3086 | } |
3122 | |
3087 | |
3123 | static INLINE void |
3088 | ecb_inline void |
3124 | dump_stack_initialize (SCHEME_P) |
3089 | dump_stack_initialize (SCHEME_P) |
3125 | { |
3090 | { |
3126 | SCHEME_V->dump_size = 0; |
3091 | SCHEME_V->dump_size = 0; |
3127 | SCHEME_V->dump_base = 0; |
3092 | SCHEME_V->dump_base = 0; |
3128 | dump_stack_reset (SCHEME_A); |
3093 | dump_stack_reset (SCHEME_A); |
… | |
… | |
3181 | int i = 0; |
3146 | int i = 0; |
3182 | struct dump_stack_frame *frame = SCHEME_V->dump_base; |
3147 | struct dump_stack_frame *frame = SCHEME_V->dump_base; |
3183 | |
3148 | |
3184 | while (cont != NIL) |
3149 | while (cont != NIL) |
3185 | { |
3150 | { |
3186 | frame->op = ivalue (car (cont)); cont = cdr (cont); |
3151 | frame->op = ivalue_unchecked (car (cont)); cont = cdr (cont); |
3187 | frame->args = car (cont) ; cont = cdr (cont); |
3152 | frame->args = car (cont) ; cont = cdr (cont); |
3188 | frame->envir = car (cont) ; cont = cdr (cont); |
3153 | frame->envir = car (cont) ; cont = cdr (cont); |
3189 | frame->code = car (cont) ; cont = cdr (cont); |
3154 | frame->code = car (cont) ; cont = cdr (cont); |
3190 | |
3155 | |
3191 | ++frame; |
3156 | ++frame; |
3192 | ++i; |
3157 | ++i; |
3193 | } |
3158 | } |
3194 | |
3159 | |
3195 | SCHEME_V->dump = (pointer)(uintptr_t)i; |
3160 | SCHEME_V->dump = (pointer)(uintptr_t)i; |
3196 | } |
3161 | } |
3197 | |
3162 | |
3198 | #else |
3163 | #else |
3199 | |
3164 | |
3200 | static INLINE void |
3165 | ecb_inline void |
3201 | dump_stack_reset (SCHEME_P) |
3166 | dump_stack_reset (SCHEME_P) |
3202 | { |
3167 | { |
3203 | SCHEME_V->dump = NIL; |
3168 | SCHEME_V->dump = NIL; |
3204 | } |
3169 | } |
3205 | |
3170 | |
3206 | static INLINE void |
3171 | ecb_inline void |
3207 | dump_stack_initialize (SCHEME_P) |
3172 | dump_stack_initialize (SCHEME_P) |
3208 | { |
3173 | { |
3209 | dump_stack_reset (SCHEME_A); |
3174 | dump_stack_reset (SCHEME_A); |
3210 | } |
3175 | } |
3211 | |
3176 | |
… | |
… | |
3213 | dump_stack_free (SCHEME_P) |
3178 | dump_stack_free (SCHEME_P) |
3214 | { |
3179 | { |
3215 | SCHEME_V->dump = NIL; |
3180 | SCHEME_V->dump = NIL; |
3216 | } |
3181 | } |
3217 | |
3182 | |
3218 | static pointer |
3183 | static int |
3219 | xs_return (SCHEME_P_ pointer a) |
3184 | xs_return (SCHEME_P_ pointer a) |
3220 | { |
3185 | { |
3221 | pointer dump = SCHEME_V->dump; |
3186 | pointer dump = SCHEME_V->dump; |
3222 | |
3187 | |
3223 | SCHEME_V->value = a; |
3188 | SCHEME_V->value = a; |
3224 | |
3189 | |
3225 | if (dump == NIL) |
3190 | if (dump == NIL) |
3226 | return NIL; |
3191 | return -1; |
3227 | |
3192 | |
3228 | SCHEME_V->op = ivalue (car (dump)); dump = cdr (dump); |
3193 | SCHEME_V->op = ivalue_unchecked (car (dump)); dump = cdr (dump); |
3229 | SCHEME_V->args = car (dump) ; dump = cdr (dump); |
3194 | SCHEME_V->args = car (dump) ; dump = cdr (dump); |
3230 | SCHEME_V->envir = car (dump) ; dump = cdr (dump); |
3195 | SCHEME_V->envir = car (dump) ; dump = cdr (dump); |
3231 | SCHEME_V->code = car (dump) ; dump = cdr (dump); |
3196 | SCHEME_V->code = car (dump) ; dump = cdr (dump); |
3232 | |
3197 | |
3233 | SCHEME_V->dump = dump; |
3198 | SCHEME_V->dump = dump; |
3234 | |
3199 | |
3235 | return S_T; |
3200 | return 0; |
3236 | } |
3201 | } |
3237 | |
3202 | |
3238 | static void |
3203 | static void |
3239 | s_save (SCHEME_P_ enum scheme_opcodes op, pointer args, pointer code) |
3204 | s_save (SCHEME_P_ enum scheme_opcodes op, pointer args, pointer code) |
3240 | { |
3205 | { |
… | |
… | |
3265 | |
3230 | |
3266 | #endif |
3231 | #endif |
3267 | |
3232 | |
3268 | #define s_retbool(tf) s_return ((tf) ? S_T : S_F) |
3233 | #define s_retbool(tf) s_return ((tf) ? S_T : S_F) |
3269 | |
3234 | |
3270 | static pointer |
3235 | static int |
3271 | opexe_0 (SCHEME_P_ enum scheme_opcodes op) |
3236 | opexe_0 (SCHEME_P_ enum scheme_opcodes op) |
3272 | { |
3237 | { |
|
|
3238 | pointer args = SCHEME_V->args; |
3273 | pointer x, y; |
3239 | pointer x, y; |
3274 | |
3240 | |
3275 | switch (op) |
3241 | switch (op) |
3276 | { |
3242 | { |
3277 | case OP_LOAD: /* load */ |
3243 | case OP_LOAD: /* load */ |
3278 | if (file_interactive (SCHEME_A)) |
3244 | if (file_interactive (SCHEME_A)) |
3279 | { |
3245 | { |
3280 | xwrstr ("Loading "); xwrstr (strvalue (car (SCHEME_V->args))); xwrstr ("\n"); |
3246 | xwrstr ("Loading "); xwrstr (strvalue (car (args))); xwrstr ("\n"); |
3281 | //D fprintf (SCHEME_V->outport->object.port->rep.stdio.file, "Loading %s\n", strvalue (car (SCHEME_V->args))); |
3247 | //D fprintf (SCHEME_V->outport->object.port->rep.stdio.file, "Loading %s\n", strvalue (car (args))); |
3282 | } |
3248 | } |
3283 | |
3249 | |
3284 | if (!file_push (SCHEME_A_ strvalue (car (SCHEME_V->args)))) |
3250 | if (!file_push (SCHEME_A_ strvalue (car (args)))) |
3285 | Error_1 ("unable to open", car (SCHEME_V->args)); |
3251 | Error_1 ("unable to open", car (args)); |
3286 | else |
3252 | else |
3287 | { |
3253 | { |
3288 | SCHEME_V->args = mk_integer (SCHEME_A_ SCHEME_V->file_i); |
3254 | SCHEME_V->args = mk_integer (SCHEME_A_ SCHEME_V->file_i); |
3289 | s_goto (OP_T0LVL); |
3255 | s_goto (OP_T0LVL); |
3290 | } |
3256 | } |
… | |
… | |
3364 | case OP_EVAL: /* main part of evaluation */ |
3330 | case OP_EVAL: /* main part of evaluation */ |
3365 | #if USE_TRACING |
3331 | #if USE_TRACING |
3366 | if (SCHEME_V->tracing) |
3332 | if (SCHEME_V->tracing) |
3367 | { |
3333 | { |
3368 | /*s_save(SCHEME_A_ OP_VALUEPRINT,NIL,NIL); */ |
3334 | /*s_save(SCHEME_A_ OP_VALUEPRINT,NIL,NIL); */ |
3369 | s_save (SCHEME_A_ OP_REAL_EVAL, SCHEME_V->args, SCHEME_V->code); |
3335 | s_save (SCHEME_A_ OP_REAL_EVAL, args, SCHEME_V->code); |
3370 | SCHEME_V->args = SCHEME_V->code; |
3336 | SCHEME_V->args = SCHEME_V->code; |
3371 | putstr (SCHEME_A_ "\nEval: "); |
3337 | putstr (SCHEME_A_ "\nEval: "); |
3372 | s_goto (OP_P0LIST); |
3338 | s_goto (OP_P0LIST); |
3373 | } |
3339 | } |
3374 | |
3340 | |
… | |
… | |
3418 | SCHEME_V->code = cdr (SCHEME_V->code); |
3384 | SCHEME_V->code = cdr (SCHEME_V->code); |
3419 | s_goto (OP_E1ARGS); |
3385 | s_goto (OP_E1ARGS); |
3420 | } |
3386 | } |
3421 | |
3387 | |
3422 | case OP_E1ARGS: /* eval arguments */ |
3388 | case OP_E1ARGS: /* eval arguments */ |
3423 | SCHEME_V->args = cons (SCHEME_V->value, SCHEME_V->args); |
3389 | args = cons (SCHEME_V->value, args); |
3424 | |
3390 | |
3425 | if (is_pair (SCHEME_V->code)) /* continue */ |
3391 | if (is_pair (SCHEME_V->code)) /* continue */ |
3426 | { |
3392 | { |
3427 | s_save (SCHEME_A_ OP_E1ARGS, SCHEME_V->args, cdr (SCHEME_V->code)); |
3393 | s_save (SCHEME_A_ OP_E1ARGS, args, cdr (SCHEME_V->code)); |
3428 | SCHEME_V->code = car (SCHEME_V->code); |
3394 | SCHEME_V->code = car (SCHEME_V->code); |
3429 | SCHEME_V->args = NIL; |
3395 | SCHEME_V->args = NIL; |
3430 | s_goto (OP_EVAL); |
3396 | s_goto (OP_EVAL); |
3431 | } |
3397 | } |
3432 | else /* end */ |
3398 | else /* end */ |
3433 | { |
3399 | { |
3434 | SCHEME_V->args = reverse_in_place (SCHEME_A_ NIL, SCHEME_V->args); |
3400 | args = reverse_in_place (SCHEME_A_ NIL, args); |
3435 | SCHEME_V->code = car (SCHEME_V->args); |
3401 | SCHEME_V->code = car (args); |
3436 | SCHEME_V->args = cdr (SCHEME_V->args); |
3402 | SCHEME_V->args = cdr (args); |
3437 | s_goto (OP_APPLY); |
3403 | s_goto (OP_APPLY); |
3438 | } |
3404 | } |
3439 | |
3405 | |
3440 | #if USE_TRACING |
3406 | #if USE_TRACING |
3441 | |
3407 | |
3442 | case OP_TRACING: |
3408 | case OP_TRACING: |
3443 | { |
3409 | { |
3444 | int tr = SCHEME_V->tracing; |
3410 | int tr = SCHEME_V->tracing; |
3445 | |
3411 | |
3446 | SCHEME_V->tracing = ivalue (car (SCHEME_V->args)); |
3412 | SCHEME_V->tracing = ivalue_unchecked (car (args)); |
3447 | s_return (mk_integer (SCHEME_A_ tr)); |
3413 | s_return (mk_integer (SCHEME_A_ tr)); |
3448 | } |
3414 | } |
3449 | |
3415 | |
3450 | #endif |
3416 | #endif |
3451 | |
3417 | |
3452 | case OP_APPLY: /* apply 'code' to 'args' */ |
3418 | case OP_APPLY: /* apply 'code' to 'args' */ |
3453 | #if USE_TRACING |
3419 | #if USE_TRACING |
3454 | if (SCHEME_V->tracing) |
3420 | if (SCHEME_V->tracing) |
3455 | { |
3421 | { |
3456 | s_save (SCHEME_A_ OP_REAL_APPLY, SCHEME_V->args, SCHEME_V->code); |
3422 | s_save (SCHEME_A_ OP_REAL_APPLY, args, SCHEME_V->code); |
3457 | SCHEME_V->print_flag = 1; |
3423 | SCHEME_V->print_flag = 1; |
3458 | /* SCHEME_V->args=cons(SCHEME_V->code,SCHEME_V->args); */ |
3424 | /* args=cons(SCHEME_V->code,args); */ |
3459 | putstr (SCHEME_A_ "\nApply to: "); |
3425 | putstr (SCHEME_A_ "\nApply to: "); |
3460 | s_goto (OP_P0LIST); |
3426 | s_goto (OP_P0LIST); |
3461 | } |
3427 | } |
3462 | |
3428 | |
3463 | /* fall through */ |
3429 | /* fall through */ |
3464 | |
3430 | |
3465 | case OP_REAL_APPLY: |
3431 | case OP_REAL_APPLY: |
3466 | #endif |
3432 | #endif |
3467 | if (is_proc (SCHEME_V->code)) |
3433 | if (is_proc (SCHEME_V->code)) |
3468 | { |
|
|
3469 | s_goto (procnum (SCHEME_V->code)); /* PROCEDURE */ |
3434 | s_goto (procnum (SCHEME_V->code)); /* PROCEDURE */ |
3470 | } |
|
|
3471 | else if (is_foreign (SCHEME_V->code)) |
3435 | else if (is_foreign (SCHEME_V->code)) |
3472 | { |
3436 | { |
3473 | /* Keep nested calls from GC'ing the arglist */ |
3437 | /* Keep nested calls from GC'ing the arglist */ |
3474 | push_recent_alloc (SCHEME_A_ SCHEME_V->args, NIL); |
3438 | push_recent_alloc (SCHEME_A_ args, NIL); |
3475 | x = SCHEME_V->code->object.ff (SCHEME_A_ SCHEME_V->args); |
3439 | x = SCHEME_V->code->object.ff (SCHEME_A_ args); |
3476 | |
3440 | |
3477 | s_return (x); |
3441 | s_return (x); |
3478 | } |
3442 | } |
3479 | else if (is_closure (SCHEME_V->code) || is_macro (SCHEME_V->code) || is_promise (SCHEME_V->code)) /* CLOSURE */ |
3443 | else if (is_closure (SCHEME_V->code) || is_macro (SCHEME_V->code) || is_promise (SCHEME_V->code)) /* CLOSURE */ |
3480 | { |
3444 | { |
3481 | /* Should not accept promise */ |
3445 | /* Should not accept promise */ |
3482 | /* make environment */ |
3446 | /* make environment */ |
3483 | new_frame_in_env (SCHEME_A_ closure_env (SCHEME_V->code)); |
3447 | new_frame_in_env (SCHEME_A_ closure_env (SCHEME_V->code)); |
3484 | |
3448 | |
3485 | for (x = car (closure_code (SCHEME_V->code)), y = SCHEME_V->args; is_pair (x); x = cdr (x), y = cdr (y)) |
3449 | for (x = car (closure_code (SCHEME_V->code)), y = args; is_pair (x); x = cdr (x), y = cdr (y)) |
3486 | { |
3450 | { |
3487 | if (y == NIL) |
3451 | if (y == NIL) |
3488 | Error_0 ("not enough arguments"); |
3452 | Error_0 ("not enough arguments"); |
3489 | else |
3453 | else |
3490 | new_slot_in_env (SCHEME_A_ car (x), car (y)); |
3454 | new_slot_in_env (SCHEME_A_ car (x), car (y)); |
… | |
… | |
3508 | s_goto (OP_BEGIN); |
3472 | s_goto (OP_BEGIN); |
3509 | } |
3473 | } |
3510 | else if (is_continuation (SCHEME_V->code)) /* CONTINUATION */ |
3474 | else if (is_continuation (SCHEME_V->code)) /* CONTINUATION */ |
3511 | { |
3475 | { |
3512 | ss_set_cont (SCHEME_A_ cont_dump (SCHEME_V->code)); |
3476 | ss_set_cont (SCHEME_A_ cont_dump (SCHEME_V->code)); |
3513 | s_return (SCHEME_V->args != NIL ? car (SCHEME_V->args) : NIL); |
3477 | s_return (args != NIL ? car (args) : NIL); |
3514 | } |
3478 | } |
3515 | else |
3479 | else |
3516 | Error_0 ("illegal function"); |
3480 | Error_0 ("illegal function"); |
3517 | |
3481 | |
3518 | case OP_DOMACRO: /* do macro */ |
3482 | case OP_DOMACRO: /* do macro */ |
… | |
… | |
3527 | { |
3491 | { |
3528 | pointer f = find_slot_in_env (SCHEME_A_ SCHEME_V->envir, SCHEME_V->COMPILE_HOOK, 1); |
3492 | pointer f = find_slot_in_env (SCHEME_A_ SCHEME_V->envir, SCHEME_V->COMPILE_HOOK, 1); |
3529 | |
3493 | |
3530 | if (f != NIL) |
3494 | if (f != NIL) |
3531 | { |
3495 | { |
3532 | s_save (SCHEME_A_ OP_LAMBDA1, SCHEME_V->args, SCHEME_V->code); |
3496 | s_save (SCHEME_A_ OP_LAMBDA1, args, SCHEME_V->code); |
3533 | SCHEME_V->args = cons (SCHEME_V->code, NIL); |
3497 | SCHEME_V->args = cons (SCHEME_V->code, NIL); |
3534 | SCHEME_V->code = slot_value_in_env (f); |
3498 | SCHEME_V->code = slot_value_in_env (f); |
3535 | s_goto (OP_APPLY); |
3499 | s_goto (OP_APPLY); |
3536 | } |
3500 | } |
3537 | |
3501 | |
… | |
… | |
3548 | s_return (mk_closure (SCHEME_A_ SCHEME_V->code, SCHEME_V->envir)); |
3512 | s_return (mk_closure (SCHEME_A_ SCHEME_V->code, SCHEME_V->envir)); |
3549 | |
3513 | |
3550 | #endif |
3514 | #endif |
3551 | |
3515 | |
3552 | case OP_MKCLOSURE: /* make-closure */ |
3516 | case OP_MKCLOSURE: /* make-closure */ |
3553 | x = car (SCHEME_V->args); |
3517 | x = car (args); |
3554 | |
3518 | |
3555 | if (car (x) == SCHEME_V->LAMBDA) |
3519 | if (car (x) == SCHEME_V->LAMBDA) |
3556 | x = cdr (x); |
3520 | x = cdr (x); |
3557 | |
3521 | |
3558 | if (cdr (SCHEME_V->args) == NIL) |
3522 | if (cdr (args) == NIL) |
3559 | y = SCHEME_V->envir; |
3523 | y = SCHEME_V->envir; |
3560 | else |
3524 | else |
3561 | y = cadr (SCHEME_V->args); |
3525 | y = cadr (args); |
3562 | |
3526 | |
3563 | s_return (mk_closure (SCHEME_A_ x, y)); |
3527 | s_return (mk_closure (SCHEME_A_ x, y)); |
3564 | |
3528 | |
3565 | case OP_QUOTE: /* quote */ |
3529 | case OP_QUOTE: /* quote */ |
3566 | s_return (car (SCHEME_V->code)); |
3530 | s_return (car (SCHEME_V->code)); |
… | |
… | |
3598 | |
3562 | |
3599 | |
3563 | |
3600 | case OP_DEFP: /* defined? */ |
3564 | case OP_DEFP: /* defined? */ |
3601 | x = SCHEME_V->envir; |
3565 | x = SCHEME_V->envir; |
3602 | |
3566 | |
3603 | if (cdr (SCHEME_V->args) != NIL) |
3567 | if (cdr (args) != NIL) |
3604 | x = cadr (SCHEME_V->args); |
3568 | x = cadr (args); |
3605 | |
3569 | |
3606 | s_retbool (find_slot_in_env (SCHEME_A_ x, car (SCHEME_V->args), 1) != NIL); |
3570 | s_retbool (find_slot_in_env (SCHEME_A_ x, car (args), 1) != NIL); |
3607 | |
3571 | |
3608 | case OP_SET0: /* set! */ |
3572 | case OP_SET0: /* set! */ |
3609 | if (is_immutable (car (SCHEME_V->code))) |
3573 | if (is_immutable (car (SCHEME_V->code))) |
3610 | Error_1 ("set!: unable to alter immutable variable", car (SCHEME_V->code)); |
3574 | Error_1 ("set!: unable to alter immutable variable", car (SCHEME_V->code)); |
3611 | |
3575 | |
… | |
… | |
3642 | |
3606 | |
3643 | case OP_IF1: /* if */ |
3607 | case OP_IF1: /* if */ |
3644 | if (is_true (SCHEME_V->value)) |
3608 | if (is_true (SCHEME_V->value)) |
3645 | SCHEME_V->code = car (SCHEME_V->code); |
3609 | SCHEME_V->code = car (SCHEME_V->code); |
3646 | else |
3610 | else |
3647 | SCHEME_V->code = cadr (SCHEME_V->code); /* (if #f 1) ==> () because |
3611 | SCHEME_V->code = cadr (SCHEME_V->code); /* (if #f 1) ==> () because * car(NIL) = NIL */ |
3648 | |
|
|
3649 | * car(NIL) = NIL */ |
|
|
3650 | s_goto (OP_EVAL); |
3612 | s_goto (OP_EVAL); |
3651 | |
3613 | |
3652 | case OP_LET0: /* let */ |
3614 | case OP_LET0: /* let */ |
3653 | SCHEME_V->args = NIL; |
3615 | SCHEME_V->args = NIL; |
3654 | SCHEME_V->value = SCHEME_V->code; |
3616 | SCHEME_V->value = SCHEME_V->code; |
3655 | SCHEME_V->code = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code); |
3617 | SCHEME_V->code = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code); |
3656 | s_goto (OP_LET1); |
3618 | s_goto (OP_LET1); |
3657 | |
3619 | |
3658 | case OP_LET1: /* let (calculate parameters) */ |
3620 | case OP_LET1: /* let (calculate parameters) */ |
3659 | SCHEME_V->args = cons (SCHEME_V->value, SCHEME_V->args); |
3621 | args = cons (SCHEME_V->value, args); |
3660 | |
3622 | |
3661 | if (is_pair (SCHEME_V->code)) /* continue */ |
3623 | if (is_pair (SCHEME_V->code)) /* continue */ |
3662 | { |
3624 | { |
3663 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (cdar (SCHEME_V->code))) |
3625 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (cdar (SCHEME_V->code))) |
3664 | Error_1 ("Bad syntax of binding spec in let :", car (SCHEME_V->code)); |
3626 | Error_1 ("Bad syntax of binding spec in let :", car (SCHEME_V->code)); |
3665 | |
3627 | |
3666 | s_save (SCHEME_A_ OP_LET1, SCHEME_V->args, cdr (SCHEME_V->code)); |
3628 | s_save (SCHEME_A_ OP_LET1, args, cdr (SCHEME_V->code)); |
3667 | SCHEME_V->code = cadar (SCHEME_V->code); |
3629 | SCHEME_V->code = cadar (SCHEME_V->code); |
3668 | SCHEME_V->args = NIL; |
3630 | SCHEME_V->args = NIL; |
3669 | s_goto (OP_EVAL); |
3631 | s_goto (OP_EVAL); |
3670 | } |
3632 | } |
3671 | else /* end */ |
3633 | else /* end */ |
3672 | { |
3634 | { |
3673 | SCHEME_V->args = reverse_in_place (SCHEME_A_ NIL, SCHEME_V->args); |
3635 | args = reverse_in_place (SCHEME_A_ NIL, args); |
3674 | SCHEME_V->code = car (SCHEME_V->args); |
3636 | SCHEME_V->code = car (args); |
3675 | SCHEME_V->args = cdr (SCHEME_V->args); |
3637 | SCHEME_V->args = cdr (args); |
3676 | s_goto (OP_LET2); |
3638 | s_goto (OP_LET2); |
3677 | } |
3639 | } |
3678 | |
3640 | |
3679 | case OP_LET2: /* let */ |
3641 | case OP_LET2: /* let */ |
3680 | new_frame_in_env (SCHEME_A_ SCHEME_V->envir); |
3642 | new_frame_in_env (SCHEME_A_ SCHEME_V->envir); |
3681 | |
3643 | |
3682 | for (x = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code), y = SCHEME_V->args; |
3644 | for (x = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code), y = args; |
3683 | y != NIL; x = cdr (x), y = cdr (y)) |
3645 | y != NIL; x = cdr (x), y = cdr (y)) |
3684 | new_slot_in_env (SCHEME_A_ caar (x), car (y)); |
3646 | new_slot_in_env (SCHEME_A_ caar (x), car (y)); |
3685 | |
3647 | |
3686 | if (is_symbol (car (SCHEME_V->code))) /* named let */ |
3648 | if (is_symbol (car (SCHEME_V->code))) /* named let */ |
3687 | { |
3649 | { |
3688 | for (x = cadr (SCHEME_V->code), SCHEME_V->args = NIL; x != NIL; x = cdr (x)) |
3650 | for (x = cadr (SCHEME_V->code), args = NIL; x != NIL; x = cdr (x)) |
3689 | { |
3651 | { |
3690 | if (!is_pair (x)) |
3652 | if (!is_pair (x)) |
3691 | Error_1 ("Bad syntax of binding in let :", x); |
3653 | Error_1 ("Bad syntax of binding in let :", x); |
3692 | |
3654 | |
3693 | if (!is_list (SCHEME_A_ car (x))) |
3655 | if (!is_list (SCHEME_A_ car (x))) |
3694 | Error_1 ("Bad syntax of binding in let :", car (x)); |
3656 | Error_1 ("Bad syntax of binding in let :", car (x)); |
3695 | |
3657 | |
3696 | SCHEME_V->args = cons (caar (x), SCHEME_V->args); |
3658 | args = cons (caar (x), args); |
3697 | } |
3659 | } |
3698 | |
3660 | |
3699 | x = |
|
|
3700 | mk_closure (SCHEME_A_ cons (reverse_in_place (SCHEME_A_ NIL, SCHEME_V->args), cddr (SCHEME_V->code)), |
3661 | x = mk_closure (SCHEME_A_ cons (reverse_in_place (SCHEME_A_ NIL, args), cddr (SCHEME_V->code)), |
3701 | SCHEME_V->envir); |
3662 | SCHEME_V->envir); |
3702 | new_slot_in_env (SCHEME_A_ car (SCHEME_V->code), x); |
3663 | new_slot_in_env (SCHEME_A_ car (SCHEME_V->code), x); |
3703 | SCHEME_V->code = cddr (SCHEME_V->code); |
3664 | SCHEME_V->code = cddr (SCHEME_V->code); |
3704 | SCHEME_V->args = NIL; |
|
|
3705 | } |
3665 | } |
3706 | else |
3666 | else |
3707 | { |
3667 | { |
3708 | SCHEME_V->code = cdr (SCHEME_V->code); |
3668 | SCHEME_V->code = cdr (SCHEME_V->code); |
|
|
3669 | } |
|
|
3670 | |
3709 | SCHEME_V->args = NIL; |
3671 | SCHEME_V->args = NIL; |
3710 | } |
|
|
3711 | |
|
|
3712 | s_goto (OP_BEGIN); |
3672 | s_goto (OP_BEGIN); |
3713 | |
3673 | |
3714 | case OP_LET0AST: /* let* */ |
3674 | case OP_LET0AST: /* let* */ |
3715 | if (car (SCHEME_V->code) == NIL) |
3675 | if (car (SCHEME_V->code) == NIL) |
3716 | { |
3676 | { |
… | |
… | |
3734 | new_slot_in_env (SCHEME_A_ caar (SCHEME_V->code), SCHEME_V->value); |
3694 | new_slot_in_env (SCHEME_A_ caar (SCHEME_V->code), SCHEME_V->value); |
3735 | SCHEME_V->code = cdr (SCHEME_V->code); |
3695 | SCHEME_V->code = cdr (SCHEME_V->code); |
3736 | |
3696 | |
3737 | if (is_pair (SCHEME_V->code)) /* continue */ |
3697 | if (is_pair (SCHEME_V->code)) /* continue */ |
3738 | { |
3698 | { |
3739 | s_save (SCHEME_A_ OP_LET2AST, SCHEME_V->args, SCHEME_V->code); |
3699 | s_save (SCHEME_A_ OP_LET2AST, args, SCHEME_V->code); |
3740 | SCHEME_V->code = cadar (SCHEME_V->code); |
3700 | SCHEME_V->code = cadar (SCHEME_V->code); |
3741 | SCHEME_V->args = NIL; |
3701 | SCHEME_V->args = NIL; |
3742 | s_goto (OP_EVAL); |
3702 | s_goto (OP_EVAL); |
3743 | } |
3703 | } |
3744 | else /* end */ |
3704 | else /* end */ |
3745 | { |
3705 | { |
3746 | SCHEME_V->code = SCHEME_V->args; |
3706 | SCHEME_V->code = args; |
3747 | SCHEME_V->args = NIL; |
3707 | SCHEME_V->args = NIL; |
3748 | s_goto (OP_BEGIN); |
3708 | s_goto (OP_BEGIN); |
3749 | } |
3709 | } |
3750 | |
3710 | |
3751 | case OP_LET0REC: /* letrec */ |
3711 | case OP_LET0REC: /* letrec */ |
… | |
… | |
3754 | SCHEME_V->value = SCHEME_V->code; |
3714 | SCHEME_V->value = SCHEME_V->code; |
3755 | SCHEME_V->code = car (SCHEME_V->code); |
3715 | SCHEME_V->code = car (SCHEME_V->code); |
3756 | s_goto (OP_LET1REC); |
3716 | s_goto (OP_LET1REC); |
3757 | |
3717 | |
3758 | case OP_LET1REC: /* letrec (calculate parameters) */ |
3718 | case OP_LET1REC: /* letrec (calculate parameters) */ |
3759 | SCHEME_V->args = cons (SCHEME_V->value, SCHEME_V->args); |
3719 | args = cons (SCHEME_V->value, args); |
3760 | |
3720 | |
3761 | if (is_pair (SCHEME_V->code)) /* continue */ |
3721 | if (is_pair (SCHEME_V->code)) /* continue */ |
3762 | { |
3722 | { |
3763 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (cdar (SCHEME_V->code))) |
3723 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (cdar (SCHEME_V->code))) |
3764 | Error_1 ("Bad syntax of binding spec in letrec :", car (SCHEME_V->code)); |
3724 | Error_1 ("Bad syntax of binding spec in letrec :", car (SCHEME_V->code)); |
3765 | |
3725 | |
3766 | s_save (SCHEME_A_ OP_LET1REC, SCHEME_V->args, cdr (SCHEME_V->code)); |
3726 | s_save (SCHEME_A_ OP_LET1REC, args, cdr (SCHEME_V->code)); |
3767 | SCHEME_V->code = cadar (SCHEME_V->code); |
3727 | SCHEME_V->code = cadar (SCHEME_V->code); |
3768 | SCHEME_V->args = NIL; |
3728 | SCHEME_V->args = NIL; |
3769 | s_goto (OP_EVAL); |
3729 | s_goto (OP_EVAL); |
3770 | } |
3730 | } |
3771 | else /* end */ |
3731 | else /* end */ |
3772 | { |
3732 | { |
3773 | SCHEME_V->args = reverse_in_place (SCHEME_A_ NIL, SCHEME_V->args); |
3733 | args = reverse_in_place (SCHEME_A_ NIL, args); |
3774 | SCHEME_V->code = car (SCHEME_V->args); |
3734 | SCHEME_V->code = car (args); |
3775 | SCHEME_V->args = cdr (SCHEME_V->args); |
3735 | SCHEME_V->args = cdr (args); |
3776 | s_goto (OP_LET2REC); |
3736 | s_goto (OP_LET2REC); |
3777 | } |
3737 | } |
3778 | |
3738 | |
3779 | case OP_LET2REC: /* letrec */ |
3739 | case OP_LET2REC: /* letrec */ |
3780 | for (x = car (SCHEME_V->code), y = SCHEME_V->args; y != NIL; x = cdr (x), y = cdr (y)) |
3740 | for (x = car (SCHEME_V->code), y = args; y != NIL; x = cdr (x), y = cdr (y)) |
3781 | new_slot_in_env (SCHEME_A_ caar (x), car (y)); |
3741 | new_slot_in_env (SCHEME_A_ caar (x), car (y)); |
3782 | |
3742 | |
3783 | SCHEME_V->code = cdr (SCHEME_V->code); |
3743 | SCHEME_V->code = cdr (SCHEME_V->code); |
3784 | SCHEME_V->args = NIL; |
3744 | SCHEME_V->args = NIL; |
3785 | s_goto (OP_BEGIN); |
3745 | s_goto (OP_BEGIN); |
… | |
… | |
3871 | s_save (SCHEME_A_ OP_C1STREAM, NIL, cdr (SCHEME_V->code)); |
3831 | s_save (SCHEME_A_ OP_C1STREAM, NIL, cdr (SCHEME_V->code)); |
3872 | SCHEME_V->code = car (SCHEME_V->code); |
3832 | SCHEME_V->code = car (SCHEME_V->code); |
3873 | s_goto (OP_EVAL); |
3833 | s_goto (OP_EVAL); |
3874 | |
3834 | |
3875 | case OP_C1STREAM: /* cons-stream */ |
3835 | case OP_C1STREAM: /* cons-stream */ |
3876 | SCHEME_V->args = SCHEME_V->value; /* save SCHEME_V->value to register SCHEME_V->args for gc */ |
3836 | SCHEME_V->args = SCHEME_V->value; /* save SCHEME_V->value to register args for gc */ |
3877 | x = mk_closure (SCHEME_A_ cons (NIL, SCHEME_V->code), SCHEME_V->envir); |
3837 | x = mk_closure (SCHEME_A_ cons (NIL, SCHEME_V->code), SCHEME_V->envir); |
3878 | set_typeflag (x, T_PROMISE); |
3838 | set_typeflag (x, T_PROMISE); |
3879 | s_return (cons (SCHEME_V->args, x)); |
3839 | s_return (cons (args, x)); |
3880 | |
3840 | |
3881 | case OP_MACRO0: /* macro */ |
3841 | case OP_MACRO0: /* macro */ |
3882 | if (is_pair (car (SCHEME_V->code))) |
3842 | if (is_pair (car (SCHEME_V->code))) |
3883 | { |
3843 | { |
3884 | x = caar (SCHEME_V->code); |
3844 | x = caar (SCHEME_V->code); |
… | |
… | |
3917 | { |
3877 | { |
3918 | if (!is_pair (y = caar (x))) |
3878 | if (!is_pair (y = caar (x))) |
3919 | break; |
3879 | break; |
3920 | |
3880 | |
3921 | for (; y != NIL; y = cdr (y)) |
3881 | for (; y != NIL; y = cdr (y)) |
3922 | { |
|
|
3923 | if (eqv (car (y), SCHEME_V->value)) |
3882 | if (eqv (car (y), SCHEME_V->value)) |
3924 | break; |
3883 | break; |
3925 | } |
|
|
3926 | |
3884 | |
3927 | if (y != NIL) |
3885 | if (y != NIL) |
3928 | break; |
3886 | break; |
3929 | } |
3887 | } |
3930 | |
3888 | |
… | |
… | |
3950 | s_goto (OP_BEGIN); |
3908 | s_goto (OP_BEGIN); |
3951 | else |
3909 | else |
3952 | s_return (NIL); |
3910 | s_return (NIL); |
3953 | |
3911 | |
3954 | case OP_PAPPLY: /* apply */ |
3912 | case OP_PAPPLY: /* apply */ |
3955 | SCHEME_V->code = car (SCHEME_V->args); |
3913 | SCHEME_V->code = car (args); |
3956 | SCHEME_V->args = list_star (SCHEME_A_ cdr (SCHEME_V->args)); |
3914 | SCHEME_V->args = list_star (SCHEME_A_ cdr (args)); |
3957 | /*SCHEME_V->args = cadr(SCHEME_V->args); */ |
3915 | /*SCHEME_V->args = cadr(args); */ |
3958 | s_goto (OP_APPLY); |
3916 | s_goto (OP_APPLY); |
3959 | |
3917 | |
3960 | case OP_PEVAL: /* eval */ |
3918 | case OP_PEVAL: /* eval */ |
3961 | if (cdr (SCHEME_V->args) != NIL) |
3919 | if (cdr (args) != NIL) |
3962 | SCHEME_V->envir = cadr (SCHEME_V->args); |
3920 | SCHEME_V->envir = cadr (args); |
3963 | |
3921 | |
3964 | SCHEME_V->code = car (SCHEME_V->args); |
3922 | SCHEME_V->code = car (args); |
3965 | s_goto (OP_EVAL); |
3923 | s_goto (OP_EVAL); |
3966 | |
3924 | |
3967 | case OP_CONTINUATION: /* call-with-current-continuation */ |
3925 | case OP_CONTINUATION: /* call-with-current-continuation */ |
3968 | SCHEME_V->code = car (SCHEME_V->args); |
3926 | SCHEME_V->code = car (args); |
3969 | SCHEME_V->args = cons (mk_continuation (SCHEME_A_ ss_get_cont (SCHEME_A)), NIL); |
3927 | SCHEME_V->args = cons (mk_continuation (SCHEME_A_ ss_get_cont (SCHEME_A)), NIL); |
3970 | s_goto (OP_APPLY); |
3928 | s_goto (OP_APPLY); |
3971 | } |
3929 | } |
3972 | |
3930 | |
3973 | return S_T; |
3931 | if (USE_ERROR_CHECKING) abort (); |
3974 | } |
3932 | } |
3975 | |
3933 | |
3976 | static pointer |
3934 | static int |
3977 | opexe_2 (SCHEME_P_ enum scheme_opcodes op) |
3935 | opexe_1 (SCHEME_P_ enum scheme_opcodes op) |
3978 | { |
3936 | { |
3979 | pointer x; |
3937 | pointer args = SCHEME_V->args; |
|
|
3938 | pointer x = car (args); |
3980 | num v; |
3939 | num v; |
3981 | |
3940 | |
|
|
3941 | switch (op) |
|
|
3942 | { |
3982 | #if USE_MATH |
3943 | #if USE_MATH |
3983 | RVALUE dd; |
|
|
3984 | #endif |
|
|
3985 | |
|
|
3986 | switch (op) |
|
|
3987 | { |
|
|
3988 | #if USE_MATH |
|
|
3989 | |
|
|
3990 | case OP_INEX2EX: /* inexact->exact */ |
3944 | case OP_INEX2EX: /* inexact->exact */ |
3991 | x = car (SCHEME_V->args); |
3945 | { |
3992 | |
|
|
3993 | if (num_is_integer (x)) |
3946 | if (is_integer (x)) |
3994 | s_return (x); |
3947 | s_return (x); |
3995 | else if (modf (rvalue_unchecked (x), &dd) == 0.0) |
3948 | |
|
|
3949 | RVALUE r = rvalue_unchecked (x); |
|
|
3950 | |
|
|
3951 | if (r == (RVALUE)(IVALUE)r) |
3996 | s_return (mk_integer (SCHEME_A_ ivalue (x))); |
3952 | s_return (mk_integer (SCHEME_A_ rvalue_unchecked (x))); |
3997 | else |
3953 | else |
3998 | Error_1 ("inexact->exact: not integral:", x); |
3954 | Error_1 ("inexact->exact: not integral:", x); |
|
|
3955 | } |
3999 | |
3956 | |
4000 | case OP_EXP: |
|
|
4001 | x = car (SCHEME_V->args); |
|
|
4002 | s_return (mk_real (SCHEME_A_ exp (rvalue (x)))); |
3957 | case OP_EXP: s_return (mk_real (SCHEME_A_ exp (rvalue (x)))); |
4003 | |
|
|
4004 | case OP_LOG: |
|
|
4005 | x = car (SCHEME_V->args); |
|
|
4006 | s_return (mk_real (SCHEME_A_ log (rvalue (x)))); |
3958 | case OP_LOG: s_return (mk_real (SCHEME_A_ log (rvalue (x)))); |
4007 | |
|
|
4008 | case OP_SIN: |
|
|
4009 | x = car (SCHEME_V->args); |
|
|
4010 | s_return (mk_real (SCHEME_A_ sin (rvalue (x)))); |
3959 | case OP_SIN: s_return (mk_real (SCHEME_A_ sin (rvalue (x)))); |
4011 | |
|
|
4012 | case OP_COS: |
|
|
4013 | x = car (SCHEME_V->args); |
|
|
4014 | s_return (mk_real (SCHEME_A_ cos (rvalue (x)))); |
3960 | case OP_COS: s_return (mk_real (SCHEME_A_ cos (rvalue (x)))); |
4015 | |
|
|
4016 | case OP_TAN: |
|
|
4017 | x = car (SCHEME_V->args); |
|
|
4018 | s_return (mk_real (SCHEME_A_ tan (rvalue (x)))); |
3961 | case OP_TAN: s_return (mk_real (SCHEME_A_ tan (rvalue (x)))); |
4019 | |
|
|
4020 | case OP_ASIN: |
|
|
4021 | x = car (SCHEME_V->args); |
|
|
4022 | s_return (mk_real (SCHEME_A_ asin (rvalue (x)))); |
3962 | case OP_ASIN: s_return (mk_real (SCHEME_A_ asin (rvalue (x)))); |
4023 | |
|
|
4024 | case OP_ACOS: |
|
|
4025 | x = car (SCHEME_V->args); |
|
|
4026 | s_return (mk_real (SCHEME_A_ acos (rvalue (x)))); |
3963 | case OP_ACOS: s_return (mk_real (SCHEME_A_ acos (rvalue (x)))); |
4027 | |
3964 | |
4028 | case OP_ATAN: |
3965 | case OP_ATAN: |
4029 | x = car (SCHEME_V->args); |
|
|
4030 | |
|
|
4031 | if (cdr (SCHEME_V->args) == NIL) |
3966 | if (cdr (args) == NIL) |
4032 | s_return (mk_real (SCHEME_A_ atan (rvalue (x)))); |
3967 | s_return (mk_real (SCHEME_A_ atan (rvalue (x)))); |
4033 | else |
3968 | else |
4034 | { |
3969 | { |
4035 | pointer y = cadr (SCHEME_V->args); |
3970 | pointer y = cadr (args); |
4036 | |
|
|
4037 | s_return (mk_real (SCHEME_A_ atan2 (rvalue (x), rvalue (y)))); |
3971 | s_return (mk_real (SCHEME_A_ atan2 (rvalue (x), rvalue (y)))); |
4038 | } |
3972 | } |
4039 | |
3973 | |
4040 | case OP_SQRT: |
3974 | case OP_SQRT: |
4041 | x = car (SCHEME_V->args); |
|
|
4042 | s_return (mk_real (SCHEME_A_ sqrt (rvalue (x)))); |
3975 | s_return (mk_real (SCHEME_A_ sqrt (rvalue (x)))); |
4043 | |
3976 | |
4044 | case OP_EXPT: |
3977 | case OP_EXPT: |
4045 | { |
3978 | { |
4046 | RVALUE result; |
3979 | RVALUE result; |
4047 | int real_result = 1; |
3980 | int real_result = 1; |
4048 | pointer y = cadr (SCHEME_V->args); |
3981 | pointer y = cadr (args); |
4049 | |
3982 | |
4050 | x = car (SCHEME_V->args); |
|
|
4051 | |
|
|
4052 | if (num_is_integer (x) && num_is_integer (y)) |
3983 | if (is_integer (x) && is_integer (y)) |
4053 | real_result = 0; |
3984 | real_result = 0; |
4054 | |
3985 | |
4055 | /* This 'if' is an R5RS compatibility fix. */ |
3986 | /* This 'if' is an R5RS compatibility fix. */ |
4056 | /* NOTE: Remove this 'if' fix for R6RS. */ |
3987 | /* NOTE: Remove this 'if' fix for R6RS. */ |
4057 | if (rvalue (x) == 0 && rvalue (y) < 0) |
3988 | if (rvalue (x) == 0 && rvalue (y) < 0) |
4058 | result = 0.0; |
3989 | result = 0; |
4059 | else |
3990 | else |
4060 | result = pow (rvalue (x), rvalue (y)); |
3991 | result = pow (rvalue (x), rvalue (y)); |
4061 | |
3992 | |
4062 | /* Before returning integer result make sure we can. */ |
3993 | /* Before returning integer result make sure we can. */ |
4063 | /* If the test fails, result is too big for integer. */ |
3994 | /* If the test fails, result is too big for integer. */ |
4064 | if (!real_result) |
3995 | if (!real_result) |
4065 | { |
3996 | { |
4066 | long result_as_long = (long) result; |
3997 | long result_as_long = result; |
4067 | |
3998 | |
4068 | if (result != (RVALUE) result_as_long) |
3999 | if (result != result_as_long) |
4069 | real_result = 1; |
4000 | real_result = 1; |
4070 | } |
4001 | } |
4071 | |
4002 | |
4072 | if (real_result) |
4003 | if (real_result) |
4073 | s_return (mk_real (SCHEME_A_ result)); |
4004 | s_return (mk_real (SCHEME_A_ result)); |
4074 | else |
4005 | else |
4075 | s_return (mk_integer (SCHEME_A_ result)); |
4006 | s_return (mk_integer (SCHEME_A_ result)); |
4076 | } |
4007 | } |
4077 | |
4008 | |
4078 | case OP_FLOOR: |
|
|
4079 | x = car (SCHEME_V->args); |
|
|
4080 | s_return (mk_real (SCHEME_A_ floor (rvalue (x)))); |
4009 | case OP_FLOOR: s_return (mk_real (SCHEME_A_ floor (rvalue (x)))); |
4081 | |
|
|
4082 | case OP_CEILING: |
|
|
4083 | x = car (SCHEME_V->args); |
|
|
4084 | s_return (mk_real (SCHEME_A_ ceil (rvalue (x)))); |
4010 | case OP_CEILING: s_return (mk_real (SCHEME_A_ ceil (rvalue (x)))); |
4085 | |
4011 | |
4086 | case OP_TRUNCATE: |
4012 | case OP_TRUNCATE: |
4087 | { |
4013 | { |
4088 | RVALUE rvalue_of_x; |
4014 | RVALUE n = rvalue (x); |
4089 | |
|
|
4090 | x = car (SCHEME_V->args); |
|
|
4091 | rvalue_of_x = rvalue (x); |
|
|
4092 | |
|
|
4093 | if (rvalue_of_x > 0) |
|
|
4094 | s_return (mk_real (SCHEME_A_ floor (rvalue_of_x))); |
4015 | s_return (mk_real (SCHEME_A_ n > 0 ? floor (n) : ceil (n))); |
4095 | else |
|
|
4096 | s_return (mk_real (SCHEME_A_ ceil (rvalue_of_x))); |
|
|
4097 | } |
4016 | } |
4098 | |
4017 | |
4099 | case OP_ROUND: |
4018 | case OP_ROUND: |
4100 | x = car (SCHEME_V->args); |
|
|
4101 | |
|
|
4102 | if (num_is_integer (x)) |
4019 | if (is_integer (x)) |
4103 | s_return (x); |
4020 | s_return (x); |
4104 | |
4021 | |
4105 | s_return (mk_real (SCHEME_A_ round_per_R5RS (rvalue (x)))); |
4022 | s_return (mk_real (SCHEME_A_ round_per_R5RS (rvalue (x)))); |
4106 | #endif |
4023 | #endif |
4107 | |
4024 | |
4108 | case OP_ADD: /* + */ |
4025 | case OP_ADD: /* + */ |
4109 | v = num_zero; |
4026 | v = num_zero; |
4110 | |
4027 | |
4111 | for (x = SCHEME_V->args; x != NIL; x = cdr (x)) |
4028 | for (x = args; x != NIL; x = cdr (x)) |
4112 | v = num_add (v, nvalue (car (x))); |
4029 | v = num_op (NUM_ADD, v, nvalue (car (x))); |
4113 | |
4030 | |
4114 | s_return (mk_number (SCHEME_A_ v)); |
4031 | s_return (mk_number (SCHEME_A_ v)); |
4115 | |
4032 | |
4116 | case OP_MUL: /* * */ |
4033 | case OP_MUL: /* * */ |
4117 | v = num_one; |
4034 | v = num_one; |
4118 | |
4035 | |
4119 | for (x = SCHEME_V->args; x != NIL; x = cdr (x)) |
4036 | for (x = args; x != NIL; x = cdr (x)) |
4120 | v = num_mul (v, nvalue (car (x))); |
4037 | v = num_op (NUM_MUL, v, nvalue (car (x))); |
4121 | |
4038 | |
4122 | s_return (mk_number (SCHEME_A_ v)); |
4039 | s_return (mk_number (SCHEME_A_ v)); |
4123 | |
4040 | |
4124 | case OP_SUB: /* - */ |
4041 | case OP_SUB: /* - */ |
4125 | if (cdr (SCHEME_V->args) == NIL) |
4042 | if (cdr (args) == NIL) |
4126 | { |
4043 | { |
4127 | x = SCHEME_V->args; |
4044 | x = args; |
4128 | v = num_zero; |
4045 | v = num_zero; |
4129 | } |
4046 | } |
4130 | else |
4047 | else |
4131 | { |
4048 | { |
4132 | x = cdr (SCHEME_V->args); |
4049 | x = cdr (args); |
4133 | v = nvalue (car (SCHEME_V->args)); |
4050 | v = nvalue (car (args)); |
4134 | } |
4051 | } |
4135 | |
4052 | |
4136 | for (; x != NIL; x = cdr (x)) |
4053 | for (; x != NIL; x = cdr (x)) |
4137 | v = num_sub (v, nvalue (car (x))); |
4054 | v = num_op (NUM_SUB, v, nvalue (car (x))); |
4138 | |
4055 | |
4139 | s_return (mk_number (SCHEME_A_ v)); |
4056 | s_return (mk_number (SCHEME_A_ v)); |
4140 | |
4057 | |
4141 | case OP_DIV: /* / */ |
4058 | case OP_DIV: /* / */ |
4142 | if (cdr (SCHEME_V->args) == NIL) |
4059 | if (cdr (args) == NIL) |
4143 | { |
4060 | { |
4144 | x = SCHEME_V->args; |
4061 | x = args; |
4145 | v = num_one; |
4062 | v = num_one; |
4146 | } |
4063 | } |
4147 | else |
4064 | else |
4148 | { |
4065 | { |
4149 | x = cdr (SCHEME_V->args); |
4066 | x = cdr (args); |
4150 | v = nvalue (car (SCHEME_V->args)); |
4067 | v = nvalue (car (args)); |
4151 | } |
4068 | } |
4152 | |
4069 | |
4153 | for (; x != NIL; x = cdr (x)) |
4070 | for (; x != NIL; x = cdr (x)) |
4154 | { |
|
|
4155 | if (!is_zero_rvalue (rvalue (car (x)))) |
4071 | if (!is_zero_rvalue (rvalue (car (x)))) |
4156 | v = num_div (v, nvalue (car (x))); |
4072 | v = num_div (v, nvalue (car (x))); |
4157 | else |
4073 | else |
4158 | Error_0 ("/: division by zero"); |
4074 | Error_0 ("/: division by zero"); |
4159 | } |
|
|
4160 | |
4075 | |
4161 | s_return (mk_number (SCHEME_A_ v)); |
4076 | s_return (mk_number (SCHEME_A_ v)); |
4162 | |
4077 | |
4163 | case OP_INTDIV: /* quotient */ |
4078 | case OP_INTDIV: /* quotient */ |
4164 | if (cdr (SCHEME_V->args) == NIL) |
4079 | if (cdr (args) == NIL) |
4165 | { |
4080 | { |
4166 | x = SCHEME_V->args; |
4081 | x = args; |
4167 | v = num_one; |
4082 | v = num_one; |
4168 | } |
4083 | } |
4169 | else |
4084 | else |
4170 | { |
4085 | { |
4171 | x = cdr (SCHEME_V->args); |
4086 | x = cdr (args); |
4172 | v = nvalue (car (SCHEME_V->args)); |
4087 | v = nvalue (car (args)); |
4173 | } |
4088 | } |
4174 | |
4089 | |
4175 | for (; x != NIL; x = cdr (x)) |
4090 | for (; x != NIL; x = cdr (x)) |
4176 | { |
4091 | { |
4177 | if (ivalue (car (x)) != 0) |
4092 | if (ivalue (car (x)) != 0) |
4178 | v = num_intdiv (v, nvalue (car (x))); |
4093 | v = num_op (NUM_INTDIV, v, nvalue (car (x))); |
4179 | else |
4094 | else |
4180 | Error_0 ("quotient: division by zero"); |
4095 | Error_0 ("quotient: division by zero"); |
4181 | } |
4096 | } |
4182 | |
4097 | |
4183 | s_return (mk_number (SCHEME_A_ v)); |
4098 | s_return (mk_number (SCHEME_A_ v)); |
4184 | |
4099 | |
4185 | case OP_REM: /* remainder */ |
4100 | case OP_REM: /* remainder */ |
4186 | v = nvalue (car (SCHEME_V->args)); |
4101 | v = nvalue (x); |
4187 | |
4102 | |
4188 | if (ivalue (cadr (SCHEME_V->args)) != 0) |
4103 | if (ivalue (cadr (args)) != 0) |
4189 | v = num_rem (v, nvalue (cadr (SCHEME_V->args))); |
4104 | v = num_rem (v, nvalue (cadr (args))); |
4190 | else |
4105 | else |
4191 | Error_0 ("remainder: division by zero"); |
4106 | Error_0 ("remainder: division by zero"); |
4192 | |
4107 | |
4193 | s_return (mk_number (SCHEME_A_ v)); |
4108 | s_return (mk_number (SCHEME_A_ v)); |
4194 | |
4109 | |
4195 | case OP_MOD: /* modulo */ |
4110 | case OP_MOD: /* modulo */ |
4196 | v = nvalue (car (SCHEME_V->args)); |
4111 | v = nvalue (x); |
4197 | |
4112 | |
4198 | if (ivalue (cadr (SCHEME_V->args)) != 0) |
4113 | if (ivalue (cadr (args)) != 0) |
4199 | v = num_mod (v, nvalue (cadr (SCHEME_V->args))); |
4114 | v = num_mod (v, nvalue (cadr (args))); |
4200 | else |
4115 | else |
4201 | Error_0 ("modulo: division by zero"); |
4116 | Error_0 ("modulo: division by zero"); |
4202 | |
4117 | |
4203 | s_return (mk_number (SCHEME_A_ v)); |
4118 | s_return (mk_number (SCHEME_A_ v)); |
4204 | |
4119 | |
4205 | case OP_CAR: /* car */ |
4120 | case OP_CAR: /* car */ |
4206 | s_return (caar (SCHEME_V->args)); |
4121 | s_return (caar (args)); |
4207 | |
4122 | |
4208 | case OP_CDR: /* cdr */ |
4123 | case OP_CDR: /* cdr */ |
4209 | s_return (cdar (SCHEME_V->args)); |
4124 | s_return (cdar (args)); |
4210 | |
4125 | |
4211 | case OP_CONS: /* cons */ |
4126 | case OP_CONS: /* cons */ |
4212 | set_cdr (SCHEME_V->args, cadr (SCHEME_V->args)); |
4127 | set_cdr (args, cadr (args)); |
4213 | s_return (SCHEME_V->args); |
4128 | s_return (args); |
4214 | |
4129 | |
4215 | case OP_SETCAR: /* set-car! */ |
4130 | case OP_SETCAR: /* set-car! */ |
4216 | if (!is_immutable (car (SCHEME_V->args))) |
4131 | if (!is_immutable (x)) |
4217 | { |
4132 | { |
4218 | set_car (car (SCHEME_V->args), cadr (SCHEME_V->args)); |
4133 | set_car (x, cadr (args)); |
4219 | s_return (car (SCHEME_V->args)); |
4134 | s_return (car (args)); |
4220 | } |
4135 | } |
4221 | else |
4136 | else |
4222 | Error_0 ("set-car!: unable to alter immutable pair"); |
4137 | Error_0 ("set-car!: unable to alter immutable pair"); |
4223 | |
4138 | |
4224 | case OP_SETCDR: /* set-cdr! */ |
4139 | case OP_SETCDR: /* set-cdr! */ |
4225 | if (!is_immutable (car (SCHEME_V->args))) |
4140 | if (!is_immutable (x)) |
4226 | { |
4141 | { |
4227 | set_cdr (car (SCHEME_V->args), cadr (SCHEME_V->args)); |
4142 | set_cdr (x, cadr (args)); |
4228 | s_return (car (SCHEME_V->args)); |
4143 | s_return (car (args)); |
4229 | } |
4144 | } |
4230 | else |
4145 | else |
4231 | Error_0 ("set-cdr!: unable to alter immutable pair"); |
4146 | Error_0 ("set-cdr!: unable to alter immutable pair"); |
4232 | |
4147 | |
4233 | case OP_CHAR2INT: /* char->integer */ |
4148 | case OP_CHAR2INT: /* char->integer */ |
4234 | s_return (mk_integer (SCHEME_A_ ivalue (car (SCHEME_V->args)))); |
4149 | s_return (mk_integer (SCHEME_A_ ivalue_unchecked (x))); |
4235 | |
4150 | |
4236 | case OP_INT2CHAR: /* integer->char */ |
4151 | case OP_INT2CHAR: /* integer->char */ |
4237 | s_return (mk_character (SCHEME_A_ ivalue (car (SCHEME_V->args)))); |
4152 | s_return (mk_character (SCHEME_A_ ivalue_unchecked (x))); |
4238 | |
4153 | |
4239 | case OP_CHARUPCASE: |
4154 | case OP_CHARUPCASE: |
4240 | { |
4155 | { |
4241 | unsigned char c = ivalue (car (SCHEME_V->args)); |
4156 | unsigned char c = ivalue_unchecked (x); |
4242 | c = toupper (c); |
4157 | c = toupper (c); |
4243 | s_return (mk_character (SCHEME_A_ c)); |
4158 | s_return (mk_character (SCHEME_A_ c)); |
4244 | } |
4159 | } |
4245 | |
4160 | |
4246 | case OP_CHARDNCASE: |
4161 | case OP_CHARDNCASE: |
4247 | { |
4162 | { |
4248 | unsigned char c = ivalue (car (SCHEME_V->args)); |
4163 | unsigned char c = ivalue_unchecked (x); |
4249 | c = tolower (c); |
4164 | c = tolower (c); |
4250 | s_return (mk_character (SCHEME_A_ c)); |
4165 | s_return (mk_character (SCHEME_A_ c)); |
4251 | } |
4166 | } |
4252 | |
4167 | |
4253 | case OP_STR2SYM: /* string->symbol */ |
4168 | case OP_STR2SYM: /* string->symbol */ |
4254 | s_return (mk_symbol (SCHEME_A_ strvalue (car (SCHEME_V->args)))); |
4169 | s_return (mk_symbol (SCHEME_A_ strvalue (x))); |
4255 | |
4170 | |
4256 | case OP_STR2ATOM: /* string->atom */ |
4171 | case OP_STR2ATOM: /* string->atom */ |
4257 | { |
4172 | { |
4258 | char *s = strvalue (car (SCHEME_V->args)); |
4173 | char *s = strvalue (x); |
4259 | long pf = 0; |
4174 | long pf = 0; |
4260 | |
4175 | |
4261 | if (cdr (SCHEME_V->args) != NIL) |
4176 | if (cdr (args) != NIL) |
4262 | { |
4177 | { |
4263 | /* we know cadr(SCHEME_V->args) is a natural number */ |
4178 | /* we know cadr(args) is a natural number */ |
4264 | /* see if it is 2, 8, 10, or 16, or error */ |
4179 | /* see if it is 2, 8, 10, or 16, or error */ |
4265 | pf = ivalue_unchecked (cadr (SCHEME_V->args)); |
4180 | pf = ivalue_unchecked (cadr (args)); |
4266 | |
4181 | |
4267 | if (pf == 16 || pf == 10 || pf == 8 || pf == 2) |
4182 | if (pf == 16 || pf == 10 || pf == 8 || pf == 2) |
4268 | { |
4183 | { |
4269 | /* base is OK */ |
4184 | /* base is OK */ |
4270 | } |
4185 | } |
4271 | else |
4186 | else |
4272 | pf = -1; |
4187 | pf = -1; |
4273 | } |
4188 | } |
4274 | |
4189 | |
4275 | if (pf < 0) |
4190 | if (pf < 0) |
4276 | Error_1 ("string->atom: bad base:", cadr (SCHEME_V->args)); |
4191 | Error_1 ("string->atom: bad base:", cadr (args)); |
4277 | else if (*s == '#') /* no use of base! */ |
4192 | else if (*s == '#') /* no use of base! */ |
4278 | s_return (mk_sharp_const (SCHEME_A_ s + 1)); |
4193 | s_return (mk_sharp_const (SCHEME_A_ s + 1)); |
4279 | else |
4194 | else |
4280 | { |
4195 | { |
4281 | if (pf == 0 || pf == 10) |
4196 | if (pf == 0 || pf == 10) |
… | |
… | |
4292 | } |
4207 | } |
4293 | } |
4208 | } |
4294 | } |
4209 | } |
4295 | |
4210 | |
4296 | case OP_SYM2STR: /* symbol->string */ |
4211 | case OP_SYM2STR: /* symbol->string */ |
4297 | x = mk_string (SCHEME_A_ symname (car (SCHEME_V->args))); |
4212 | x = mk_string (SCHEME_A_ symname (x)); |
4298 | setimmutable (x); |
4213 | setimmutable (x); |
4299 | s_return (x); |
4214 | s_return (x); |
4300 | |
4215 | |
4301 | case OP_ATOM2STR: /* atom->string */ |
4216 | case OP_ATOM2STR: /* atom->string */ |
4302 | { |
4217 | { |
4303 | long pf = 0; |
4218 | long pf = 0; |
4304 | |
4219 | |
4305 | x = car (SCHEME_V->args); |
|
|
4306 | |
|
|
4307 | if (cdr (SCHEME_V->args) != NIL) |
4220 | if (cdr (args) != NIL) |
4308 | { |
4221 | { |
4309 | /* we know cadr(SCHEME_V->args) is a natural number */ |
4222 | /* we know cadr(args) is a natural number */ |
4310 | /* see if it is 2, 8, 10, or 16, or error */ |
4223 | /* see if it is 2, 8, 10, or 16, or error */ |
4311 | pf = ivalue_unchecked (cadr (SCHEME_V->args)); |
4224 | pf = ivalue_unchecked (cadr (args)); |
4312 | |
4225 | |
4313 | if (is_number (x) && (pf == 16 || pf == 10 || pf == 8 || pf == 2)) |
4226 | if (is_number (x) && (pf == 16 || pf == 10 || pf == 8 || pf == 2)) |
4314 | { |
4227 | { |
4315 | /* base is OK */ |
4228 | /* base is OK */ |
4316 | } |
4229 | } |
4317 | else |
4230 | else |
4318 | pf = -1; |
4231 | pf = -1; |
4319 | } |
4232 | } |
4320 | |
4233 | |
4321 | if (pf < 0) |
4234 | if (pf < 0) |
4322 | Error_1 ("atom->string: bad base:", cadr (SCHEME_V->args)); |
4235 | Error_1 ("atom->string: bad base:", cadr (args)); |
4323 | else if (is_number (x) || is_character (x) || is_string (x) || is_symbol (x)) |
4236 | else if (is_number (x) || is_character (x) || is_string (x) || is_symbol (x)) |
4324 | { |
4237 | { |
4325 | char *p; |
4238 | char *p; |
4326 | int len; |
4239 | int len; |
4327 | |
4240 | |
… | |
… | |
4332 | Error_1 ("atom->string: not an atom:", x); |
4245 | Error_1 ("atom->string: not an atom:", x); |
4333 | } |
4246 | } |
4334 | |
4247 | |
4335 | case OP_MKSTRING: /* make-string */ |
4248 | case OP_MKSTRING: /* make-string */ |
4336 | { |
4249 | { |
4337 | int fill = ' '; |
4250 | int fill = cdr (args) != NIL ? charvalue (cadr (args)) : ' '; |
4338 | int len; |
4251 | int len = ivalue_unchecked (x); |
4339 | |
4252 | |
4340 | len = ivalue (car (SCHEME_V->args)); |
|
|
4341 | |
|
|
4342 | if (cdr (SCHEME_V->args) != NIL) |
|
|
4343 | fill = charvalue (cadr (SCHEME_V->args)); |
|
|
4344 | |
|
|
4345 | s_return (mk_empty_string (SCHEME_A_ len, (char) fill)); |
4253 | s_return (mk_empty_string (SCHEME_A_ len, fill)); |
4346 | } |
4254 | } |
4347 | |
4255 | |
4348 | case OP_STRLEN: /* string-length */ |
4256 | case OP_STRLEN: /* string-length */ |
4349 | s_return (mk_integer (SCHEME_A_ strlength (car (SCHEME_V->args)))); |
4257 | s_return (mk_integer (SCHEME_A_ strlength (x))); |
4350 | |
4258 | |
4351 | case OP_STRREF: /* string-ref */ |
4259 | case OP_STRREF: /* string-ref */ |
4352 | { |
4260 | { |
4353 | char *str; |
4261 | char *str = strvalue (x); |
4354 | int index; |
|
|
4355 | |
|
|
4356 | str = strvalue (car (SCHEME_V->args)); |
|
|
4357 | |
|
|
4358 | index = ivalue (cadr (SCHEME_V->args)); |
4262 | int index = ivalue_unchecked (cadr (args)); |
4359 | |
4263 | |
4360 | if (index >= strlength (car (SCHEME_V->args))) |
4264 | if (index >= strlength (x)) |
4361 | Error_1 ("string-ref: out of bounds:", cadr (SCHEME_V->args)); |
4265 | Error_1 ("string-ref: out of bounds:", cadr (args)); |
4362 | |
4266 | |
4363 | s_return (mk_character (SCHEME_A_ ((unsigned char *) str)[index])); |
4267 | s_return (mk_character (SCHEME_A_ ((unsigned char *)str)[index])); |
4364 | } |
4268 | } |
4365 | |
4269 | |
4366 | case OP_STRSET: /* string-set! */ |
4270 | case OP_STRSET: /* string-set! */ |
4367 | { |
4271 | { |
4368 | char *str; |
4272 | char *str = strvalue (x); |
4369 | int index; |
4273 | int index = ivalue_unchecked (cadr (args)); |
4370 | int c; |
4274 | int c; |
4371 | |
4275 | |
4372 | if (is_immutable (car (SCHEME_V->args))) |
4276 | if (is_immutable (x)) |
4373 | Error_1 ("string-set!: unable to alter immutable string:", car (SCHEME_V->args)); |
4277 | Error_1 ("string-set!: unable to alter immutable string:", x); |
4374 | |
4278 | |
4375 | str = strvalue (car (SCHEME_V->args)); |
|
|
4376 | |
|
|
4377 | index = ivalue (cadr (SCHEME_V->args)); |
|
|
4378 | |
|
|
4379 | if (index >= strlength (car (SCHEME_V->args))) |
4279 | if (index >= strlength (x)) |
4380 | Error_1 ("string-set!: out of bounds:", cadr (SCHEME_V->args)); |
4280 | Error_1 ("string-set!: out of bounds:", cadr (args)); |
4381 | |
4281 | |
4382 | c = charvalue (caddr (SCHEME_V->args)); |
4282 | c = charvalue (caddr (args)); |
4383 | |
4283 | |
4384 | str[index] = (char) c; |
4284 | str[index] = c; |
4385 | s_return (car (SCHEME_V->args)); |
4285 | s_return (car (args)); |
4386 | } |
4286 | } |
4387 | |
4287 | |
4388 | case OP_STRAPPEND: /* string-append */ |
4288 | case OP_STRAPPEND: /* string-append */ |
4389 | { |
4289 | { |
4390 | /* in 1.29 string-append was in Scheme in init.scm but was too slow */ |
4290 | /* in 1.29 string-append was in Scheme in init.scm but was too slow */ |
4391 | int len = 0; |
4291 | int len = 0; |
4392 | pointer newstr; |
4292 | pointer newstr; |
4393 | char *pos; |
4293 | char *pos; |
4394 | |
4294 | |
4395 | /* compute needed length for new string */ |
4295 | /* compute needed length for new string */ |
4396 | for (x = SCHEME_V->args; x != NIL; x = cdr (x)) |
4296 | for (x = args; x != NIL; x = cdr (x)) |
4397 | len += strlength (car (x)); |
4297 | len += strlength (car (x)); |
4398 | |
4298 | |
4399 | newstr = mk_empty_string (SCHEME_A_ len, ' '); |
4299 | newstr = mk_empty_string (SCHEME_A_ len, ' '); |
4400 | |
4300 | |
4401 | /* store the contents of the argument strings into the new string */ |
4301 | /* store the contents of the argument strings into the new string */ |
4402 | for (pos = strvalue (newstr), x = SCHEME_V->args; x != NIL; pos += strlength (car (x)), x = cdr (x)) |
4302 | for (pos = strvalue (newstr), x = args; x != NIL; pos += strlength (car (x)), x = cdr (x)) |
4403 | memcpy (pos, strvalue (car (x)), strlength (car (x))); |
4303 | memcpy (pos, strvalue (car (x)), strlength (car (x))); |
4404 | |
4304 | |
4405 | s_return (newstr); |
4305 | s_return (newstr); |
4406 | } |
4306 | } |
4407 | |
4307 | |
4408 | case OP_SUBSTR: /* substring */ |
4308 | case OP_SUBSTR: /* substring */ |
4409 | { |
4309 | { |
4410 | char *str; |
4310 | char *str = strvalue (x); |
4411 | int index0; |
4311 | int index0 = ivalue_unchecked (cadr (args)); |
4412 | int index1; |
4312 | int index1; |
4413 | int len; |
4313 | int len; |
4414 | |
4314 | |
4415 | str = strvalue (car (SCHEME_V->args)); |
|
|
4416 | |
|
|
4417 | index0 = ivalue (cadr (SCHEME_V->args)); |
|
|
4418 | |
|
|
4419 | if (index0 > strlength (car (SCHEME_V->args))) |
4315 | if (index0 > strlength (x)) |
4420 | Error_1 ("substring: start out of bounds:", cadr (SCHEME_V->args)); |
4316 | Error_1 ("substring: start out of bounds:", cadr (args)); |
4421 | |
4317 | |
4422 | if (cddr (SCHEME_V->args) != NIL) |
4318 | if (cddr (args) != NIL) |
4423 | { |
4319 | { |
4424 | index1 = ivalue (caddr (SCHEME_V->args)); |
4320 | index1 = ivalue_unchecked (caddr (args)); |
4425 | |
4321 | |
4426 | if (index1 > strlength (car (SCHEME_V->args)) || index1 < index0) |
4322 | if (index1 > strlength (x) || index1 < index0) |
4427 | Error_1 ("substring: end out of bounds:", caddr (SCHEME_V->args)); |
4323 | Error_1 ("substring: end out of bounds:", caddr (args)); |
4428 | } |
4324 | } |
4429 | else |
4325 | else |
4430 | index1 = strlength (car (SCHEME_V->args)); |
4326 | index1 = strlength (x); |
4431 | |
4327 | |
4432 | len = index1 - index0; |
4328 | len = index1 - index0; |
4433 | x = mk_empty_string (SCHEME_A_ len, ' '); |
4329 | x = mk_empty_string (SCHEME_A_ len, ' '); |
4434 | memcpy (strvalue (x), str + index0, len); |
4330 | memcpy (strvalue (x), str + index0, len); |
4435 | strvalue (x)[len] = 0; |
4331 | strvalue (x)[len] = 0; |
… | |
… | |
4439 | |
4335 | |
4440 | case OP_VECTOR: /* vector */ |
4336 | case OP_VECTOR: /* vector */ |
4441 | { |
4337 | { |
4442 | int i; |
4338 | int i; |
4443 | pointer vec; |
4339 | pointer vec; |
4444 | int len = list_length (SCHEME_A_ SCHEME_V->args); |
4340 | int len = list_length (SCHEME_A_ args); |
4445 | |
4341 | |
4446 | if (len < 0) |
4342 | if (len < 0) |
4447 | Error_1 ("vector: not a proper list:", SCHEME_V->args); |
4343 | Error_1 ("vector: not a proper list:", args); |
4448 | |
4344 | |
4449 | vec = mk_vector (SCHEME_A_ len); |
4345 | vec = mk_vector (SCHEME_A_ len); |
4450 | |
4346 | |
4451 | #if USE_ERROR_CHECKING |
4347 | #if USE_ERROR_CHECKING |
4452 | if (SCHEME_V->no_memory) |
4348 | if (SCHEME_V->no_memory) |
4453 | s_return (S_SINK); |
4349 | s_return (S_SINK); |
4454 | #endif |
4350 | #endif |
4455 | |
4351 | |
4456 | for (x = SCHEME_V->args, i = 0; is_pair (x); x = cdr (x), i++) |
4352 | for (x = args, i = 0; is_pair (x); x = cdr (x), i++) |
4457 | set_vector_elem (vec, i, car (x)); |
4353 | vector_set (vec, i, car (x)); |
4458 | |
4354 | |
4459 | s_return (vec); |
4355 | s_return (vec); |
4460 | } |
4356 | } |
4461 | |
4357 | |
4462 | case OP_MKVECTOR: /* make-vector */ |
4358 | case OP_MKVECTOR: /* make-vector */ |
4463 | { |
4359 | { |
4464 | pointer fill = NIL; |
4360 | pointer fill = NIL; |
4465 | int len; |
|
|
4466 | pointer vec; |
4361 | pointer vec; |
|
|
4362 | int len = ivalue_unchecked (x); |
4467 | |
4363 | |
4468 | len = ivalue (car (SCHEME_V->args)); |
|
|
4469 | |
|
|
4470 | if (cdr (SCHEME_V->args) != NIL) |
4364 | if (cdr (args) != NIL) |
4471 | fill = cadr (SCHEME_V->args); |
4365 | fill = cadr (args); |
4472 | |
4366 | |
4473 | vec = mk_vector (SCHEME_A_ len); |
4367 | vec = mk_vector (SCHEME_A_ len); |
4474 | |
4368 | |
4475 | #if USE_ERROR_CHECKING |
4369 | #if USE_ERROR_CHECKING |
4476 | if (SCHEME_V->no_memory) |
4370 | if (SCHEME_V->no_memory) |
4477 | s_return (S_SINK); |
4371 | s_return (S_SINK); |
4478 | #endif |
4372 | #endif |
4479 | |
4373 | |
4480 | if (fill != NIL) |
4374 | if (fill != NIL) |
4481 | fill_vector (vec, fill); |
4375 | fill_vector (vec, 0, fill); |
4482 | |
4376 | |
4483 | s_return (vec); |
4377 | s_return (vec); |
4484 | } |
4378 | } |
4485 | |
4379 | |
4486 | case OP_VECLEN: /* vector-length */ |
4380 | case OP_VECLEN: /* vector-length */ |
4487 | s_return (mk_integer (SCHEME_A_ veclength (car (SCHEME_V->args)))); |
4381 | s_return (mk_integer (SCHEME_A_ veclength (x))); |
4488 | |
4382 | |
4489 | case OP_VECREF: /* vector-ref */ |
4383 | case OP_VECREF: /* vector-ref */ |
4490 | { |
4384 | { |
4491 | int index; |
|
|
4492 | |
|
|
4493 | index = ivalue (cadr (SCHEME_V->args)); |
4385 | int index = ivalue_unchecked (cadr (args)); |
4494 | |
4386 | |
4495 | if (index >= veclength (car (SCHEME_V->args)) && USE_ERROR_CHECKING) |
4387 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4496 | Error_1 ("vector-ref: out of bounds:", cadr (SCHEME_V->args)); |
4388 | Error_1 ("vector-ref: out of bounds:", cadr (args)); |
4497 | |
4389 | |
4498 | s_return (vector_elem (car (SCHEME_V->args), index)); |
4390 | s_return (vector_get (x, index)); |
4499 | } |
4391 | } |
4500 | |
4392 | |
4501 | case OP_VECSET: /* vector-set! */ |
4393 | case OP_VECSET: /* vector-set! */ |
4502 | { |
4394 | { |
4503 | int index; |
4395 | int index = ivalue_unchecked (cadr (args)); |
4504 | |
4396 | |
4505 | if (is_immutable (car (SCHEME_V->args))) |
4397 | if (is_immutable (x)) |
4506 | Error_1 ("vector-set!: unable to alter immutable vector:", car (SCHEME_V->args)); |
4398 | Error_1 ("vector-set!: unable to alter immutable vector:", x); |
4507 | |
4399 | |
4508 | index = ivalue (cadr (SCHEME_V->args)); |
|
|
4509 | |
|
|
4510 | if (index >= veclength (car (SCHEME_V->args)) && USE_ERROR_CHECKING) |
4400 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4511 | Error_1 ("vector-set!: out of bounds:", cadr (SCHEME_V->args)); |
4401 | Error_1 ("vector-set!: out of bounds:", cadr (args)); |
4512 | |
4402 | |
4513 | set_vector_elem (car (SCHEME_V->args), index, caddr (SCHEME_V->args)); |
4403 | vector_set (x, index, caddr (args)); |
4514 | s_return (car (SCHEME_V->args)); |
4404 | s_return (x); |
4515 | } |
4405 | } |
4516 | } |
4406 | } |
4517 | |
4407 | |
4518 | return S_T; |
4408 | if (USE_ERROR_CHECKING) abort (); |
4519 | } |
4409 | } |
4520 | |
4410 | |
4521 | INTERFACE int |
4411 | static int |
4522 | is_list (SCHEME_P_ pointer a) |
4412 | opexe_2 (SCHEME_P_ enum scheme_opcodes op) |
4523 | { |
4413 | { |
4524 | return list_length (SCHEME_A_ a) >= 0; |
4414 | pointer x = SCHEME_V->args; |
4525 | } |
|
|
4526 | |
4415 | |
4527 | /* Result is: |
4416 | for (;;) |
4528 | proper list: length |
|
|
4529 | circular list: -1 |
|
|
4530 | not even a pair: -2 |
|
|
4531 | dotted list: -2 minus length before dot |
|
|
4532 | */ |
|
|
4533 | INTERFACE int |
|
|
4534 | list_length (SCHEME_P_ pointer a) |
|
|
4535 | { |
|
|
4536 | int i = 0; |
|
|
4537 | pointer slow, fast; |
|
|
4538 | |
|
|
4539 | slow = fast = a; |
|
|
4540 | |
|
|
4541 | while (1) |
|
|
4542 | { |
4417 | { |
|
|
4418 | num v = nvalue (car (x)); |
|
|
4419 | x = cdr (x); |
|
|
4420 | |
4543 | if (fast == NIL) |
4421 | if (x == NIL) |
4544 | return i; |
4422 | break; |
4545 | |
4423 | |
4546 | if (!is_pair (fast)) |
4424 | int r = num_cmp (v, nvalue (car (x))); |
4547 | return -2 - i; |
|
|
4548 | |
4425 | |
4549 | fast = cdr (fast); |
4426 | switch (op) |
4550 | ++i; |
|
|
4551 | |
|
|
4552 | if (fast == NIL) |
|
|
4553 | return i; |
|
|
4554 | |
|
|
4555 | if (!is_pair (fast)) |
|
|
4556 | return -2 - i; |
|
|
4557 | |
|
|
4558 | ++i; |
|
|
4559 | fast = cdr (fast); |
|
|
4560 | |
|
|
4561 | /* Safe because we would have already returned if `fast' |
|
|
4562 | encountered a non-pair. */ |
|
|
4563 | slow = cdr (slow); |
|
|
4564 | |
|
|
4565 | if (fast == slow) |
|
|
4566 | { |
4427 | { |
4567 | /* the fast pointer has looped back around and caught up |
4428 | case OP_NUMEQ: r = r == 0; break; |
4568 | with the slow pointer, hence the structure is circular, |
4429 | case OP_LESS: r = r < 0; break; |
4569 | not of finite length, and therefore not a list */ |
4430 | case OP_GRE: r = r > 0; break; |
4570 | return -1; |
4431 | case OP_LEQ: r = r <= 0; break; |
|
|
4432 | case OP_GEQ: r = r >= 0; break; |
4571 | } |
4433 | } |
4572 | } |
|
|
4573 | } |
|
|
4574 | |
4434 | |
|
|
4435 | if (!r) |
|
|
4436 | s_return (S_F); |
|
|
4437 | } |
|
|
4438 | |
|
|
4439 | s_return (S_T); |
|
|
4440 | } |
|
|
4441 | |
4575 | static pointer |
4442 | static int |
4576 | opexe_3 (SCHEME_P_ enum scheme_opcodes op) |
4443 | opexe_3 (SCHEME_P_ enum scheme_opcodes op) |
4577 | { |
4444 | { |
4578 | pointer x; |
4445 | pointer args = SCHEME_V->args; |
4579 | num v; |
4446 | pointer a = car (args); |
4580 | int (*comp_func) (num, num); |
4447 | pointer d = cdr (args); |
|
|
4448 | int r; |
4581 | |
4449 | |
4582 | switch (op) |
4450 | switch (op) |
4583 | { |
4451 | { |
4584 | case OP_NOT: /* not */ |
4452 | case OP_NOT: /* not */ r = is_false (a) ; break; |
4585 | s_retbool (is_false (car (SCHEME_V->args))); |
4453 | case OP_BOOLP: /* boolean? */ r = a == S_F || a == S_T; break; |
|
|
4454 | case OP_EOFOBJP: /* eof-object? */ r = a == S_EOF ; break; |
|
|
4455 | case OP_NULLP: /* null? */ r = a == NIL ; break; |
|
|
4456 | case OP_SYMBOLP: /* symbol? */ r = is_symbol (a) ; break; |
|
|
4457 | case OP_NUMBERP: /* number? */ r = is_number (a) ; break; |
|
|
4458 | case OP_STRINGP: /* string? */ r = is_string (a) ; break; |
|
|
4459 | case OP_INTEGERP: /* integer? */ r = is_integer (a) ; break; |
|
|
4460 | case OP_REALP: /* real? */ r = is_number (a) ; break; /* all numbers are real */ |
|
|
4461 | case OP_CHARP: /* char? */ r = is_character (a) ; break; |
4586 | |
4462 | |
4587 | case OP_BOOLP: /* boolean? */ |
|
|
4588 | s_retbool (car (SCHEME_V->args) == S_F || car (SCHEME_V->args) == S_T); |
|
|
4589 | |
|
|
4590 | case OP_EOFOBJP: /* boolean? */ |
|
|
4591 | s_retbool (car (SCHEME_V->args) == S_EOF); |
|
|
4592 | |
|
|
4593 | case OP_NULLP: /* null? */ |
|
|
4594 | s_retbool (car (SCHEME_V->args) == NIL); |
|
|
4595 | |
|
|
4596 | case OP_NUMEQ: /* = */ |
|
|
4597 | case OP_LESS: /* < */ |
|
|
4598 | case OP_GRE: /* > */ |
|
|
4599 | case OP_LEQ: /* <= */ |
|
|
4600 | case OP_GEQ: /* >= */ |
|
|
4601 | switch (op) |
|
|
4602 | { |
|
|
4603 | case OP_NUMEQ: |
|
|
4604 | comp_func = num_eq; |
|
|
4605 | break; |
|
|
4606 | |
|
|
4607 | case OP_LESS: |
|
|
4608 | comp_func = num_lt; |
|
|
4609 | break; |
|
|
4610 | |
|
|
4611 | case OP_GRE: |
|
|
4612 | comp_func = num_gt; |
|
|
4613 | break; |
|
|
4614 | |
|
|
4615 | case OP_LEQ: |
|
|
4616 | comp_func = num_le; |
|
|
4617 | break; |
|
|
4618 | |
|
|
4619 | case OP_GEQ: |
|
|
4620 | comp_func = num_ge; |
|
|
4621 | break; |
|
|
4622 | } |
|
|
4623 | |
|
|
4624 | x = SCHEME_V->args; |
|
|
4625 | v = nvalue (car (x)); |
|
|
4626 | x = cdr (x); |
|
|
4627 | |
|
|
4628 | for (; x != NIL; x = cdr (x)) |
|
|
4629 | { |
|
|
4630 | if (!comp_func (v, nvalue (car (x)))) |
|
|
4631 | s_retbool (0); |
|
|
4632 | |
|
|
4633 | v = nvalue (car (x)); |
|
|
4634 | } |
|
|
4635 | |
|
|
4636 | s_retbool (1); |
|
|
4637 | |
|
|
4638 | case OP_SYMBOLP: /* symbol? */ |
|
|
4639 | s_retbool (is_symbol (car (SCHEME_V->args))); |
|
|
4640 | |
|
|
4641 | case OP_NUMBERP: /* number? */ |
|
|
4642 | s_retbool (is_number (car (SCHEME_V->args))); |
|
|
4643 | |
|
|
4644 | case OP_STRINGP: /* string? */ |
|
|
4645 | s_retbool (is_string (car (SCHEME_V->args))); |
|
|
4646 | |
|
|
4647 | case OP_INTEGERP: /* integer? */ |
|
|
4648 | s_retbool (is_integer (car (SCHEME_V->args))); |
|
|
4649 | |
|
|
4650 | case OP_REALP: /* real? */ |
|
|
4651 | s_retbool (is_number (car (SCHEME_V->args))); /* All numbers are real */ |
|
|
4652 | |
|
|
4653 | case OP_CHARP: /* char? */ |
|
|
4654 | s_retbool (is_character (car (SCHEME_V->args))); |
|
|
4655 | #if USE_CHAR_CLASSIFIERS |
4463 | #if USE_CHAR_CLASSIFIERS |
4656 | |
4464 | case OP_CHARAP: /* char-alphabetic? */ r = Cisalpha (ivalue_unchecked (a)); break; |
4657 | case OP_CHARAP: /* char-alphabetic? */ |
4465 | case OP_CHARNP: /* char-numeric? */ r = Cisdigit (ivalue_unchecked (a)); break; |
4658 | s_retbool (Cisalpha (ivalue (car (SCHEME_V->args)))); |
4466 | case OP_CHARWP: /* char-whitespace? */ r = Cisspace (ivalue_unchecked (a)); break; |
4659 | |
4467 | case OP_CHARUP: /* char-upper-case? */ r = Cisupper (ivalue_unchecked (a)); break; |
4660 | case OP_CHARNP: /* char-numeric? */ |
4468 | case OP_CHARLP: /* char-lower-case? */ r = Cislower (ivalue_unchecked (a)); break; |
4661 | s_retbool (Cisdigit (ivalue (car (SCHEME_V->args)))); |
|
|
4662 | |
|
|
4663 | case OP_CHARWP: /* char-whitespace? */ |
|
|
4664 | s_retbool (Cisspace (ivalue (car (SCHEME_V->args)))); |
|
|
4665 | |
|
|
4666 | case OP_CHARUP: /* char-upper-case? */ |
|
|
4667 | s_retbool (Cisupper (ivalue (car (SCHEME_V->args)))); |
|
|
4668 | |
|
|
4669 | case OP_CHARLP: /* char-lower-case? */ |
|
|
4670 | s_retbool (Cislower (ivalue (car (SCHEME_V->args)))); |
|
|
4671 | #endif |
4469 | #endif |
|
|
4470 | |
4672 | #if USE_PORTS |
4471 | #if USE_PORTS |
4673 | |
4472 | case OP_PORTP: /* port? */ r = is_port (a) ; break; |
4674 | case OP_PORTP: /* port? */ |
|
|
4675 | s_retbool (is_port (car (SCHEME_V->args))); |
|
|
4676 | |
|
|
4677 | case OP_INPORTP: /* input-port? */ |
4473 | case OP_INPORTP: /* input-port? */ r = is_inport (a) ; break; |
4678 | s_retbool (is_inport (car (SCHEME_V->args))); |
|
|
4679 | |
|
|
4680 | case OP_OUTPORTP: /* output-port? */ |
4474 | case OP_OUTPORTP: /* output-port? */ r = is_outport (a); break; |
4681 | s_retbool (is_outport (car (SCHEME_V->args))); |
|
|
4682 | #endif |
4475 | #endif |
4683 | |
4476 | |
4684 | case OP_PROCP: /* procedure? */ |
4477 | case OP_PROCP: /* procedure? */ |
4685 | |
4478 | |
4686 | /*-- |
4479 | /*-- |
4687 | * continuation should be procedure by the example |
4480 | * continuation should be procedure by the example |
4688 | * (call-with-current-continuation procedure?) ==> #t |
4481 | * (call-with-current-continuation procedure?) ==> #t |
4689 | * in R^3 report sec. 6.9 |
4482 | * in R^3 report sec. 6.9 |
4690 | */ |
4483 | */ |
4691 | s_retbool (is_proc (car (SCHEME_V->args)) || is_closure (car (SCHEME_V->args)) |
4484 | r = is_proc (a) || is_closure (a) || is_continuation (a) || is_foreign (a); |
4692 | || is_continuation (car (SCHEME_V->args)) || is_foreign (car (SCHEME_V->args))); |
4485 | break; |
4693 | |
4486 | |
4694 | case OP_PAIRP: /* pair? */ |
4487 | case OP_PAIRP: /* pair? */ r = is_pair (a) ; break; |
4695 | s_retbool (is_pair (car (SCHEME_V->args))); |
4488 | case OP_LISTP: /* list? */ r = list_length (SCHEME_A_ a) >= 0; break; |
4696 | |
4489 | case OP_ENVP: /* environment? */ r = is_environment (a) ; break; |
4697 | case OP_LISTP: /* list? */ |
4490 | case OP_VECTORP: /* vector? */ r = is_vector (a) ; break; |
4698 | s_retbool (list_length (SCHEME_A_ car (SCHEME_V->args)) >= 0); |
4491 | case OP_EQ: /* eq? */ r = a == cadr (args) ; break; |
4699 | |
4492 | case OP_EQV: /* eqv? */ r = eqv (a, cadr (args)) ; break; |
4700 | case OP_ENVP: /* environment? */ |
|
|
4701 | s_retbool (is_environment (car (SCHEME_V->args))); |
|
|
4702 | |
|
|
4703 | case OP_VECTORP: /* vector? */ |
|
|
4704 | s_retbool (is_vector (car (SCHEME_V->args))); |
|
|
4705 | |
|
|
4706 | case OP_EQ: /* eq? */ |
|
|
4707 | s_retbool (car (SCHEME_V->args) == cadr (SCHEME_V->args)); |
|
|
4708 | |
|
|
4709 | case OP_EQV: /* eqv? */ |
|
|
4710 | s_retbool (eqv (car (SCHEME_V->args), cadr (SCHEME_V->args))); |
|
|
4711 | } |
4493 | } |
4712 | |
4494 | |
4713 | return S_T; |
4495 | s_retbool (r); |
4714 | } |
4496 | } |
4715 | |
4497 | |
4716 | static pointer |
4498 | static int |
4717 | opexe_4 (SCHEME_P_ enum scheme_opcodes op) |
4499 | opexe_4 (SCHEME_P_ enum scheme_opcodes op) |
4718 | { |
4500 | { |
|
|
4501 | pointer args = SCHEME_V->args; |
|
|
4502 | pointer a = car (args); |
4719 | pointer x, y; |
4503 | pointer x, y; |
4720 | |
4504 | |
4721 | switch (op) |
4505 | switch (op) |
4722 | { |
4506 | { |
4723 | case OP_FORCE: /* force */ |
4507 | case OP_FORCE: /* force */ |
4724 | SCHEME_V->code = car (SCHEME_V->args); |
4508 | SCHEME_V->code = a; |
4725 | |
4509 | |
4726 | if (is_promise (SCHEME_V->code)) |
4510 | if (is_promise (SCHEME_V->code)) |
4727 | { |
4511 | { |
4728 | /* Should change type to closure here */ |
4512 | /* Should change type to closure here */ |
4729 | s_save (SCHEME_A_ OP_SAVE_FORCED, NIL, SCHEME_V->code); |
4513 | s_save (SCHEME_A_ OP_SAVE_FORCED, NIL, SCHEME_V->code); |
… | |
… | |
4750 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
4534 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
4751 | SCHEME_V->outport = cadr (SCHEME_V->args); |
4535 | SCHEME_V->outport = cadr (SCHEME_V->args); |
4752 | } |
4536 | } |
4753 | } |
4537 | } |
4754 | |
4538 | |
4755 | SCHEME_V->args = car (SCHEME_V->args); |
4539 | SCHEME_V->args = a; |
4756 | |
4540 | |
4757 | if (op == OP_WRITE) |
4541 | if (op == OP_WRITE) |
4758 | SCHEME_V->print_flag = 1; |
4542 | SCHEME_V->print_flag = 1; |
4759 | else |
4543 | else |
4760 | SCHEME_V->print_flag = 0; |
4544 | SCHEME_V->print_flag = 0; |
4761 | |
4545 | |
4762 | s_goto (OP_P0LIST); |
4546 | s_goto (OP_P0LIST); |
4763 | |
4547 | |
4764 | case OP_NEWLINE: /* newline */ |
4548 | case OP_NEWLINE: /* newline */ |
4765 | if (is_pair (SCHEME_V->args)) |
4549 | if (is_pair (args)) |
4766 | { |
4550 | { |
4767 | if (car (SCHEME_V->args) != SCHEME_V->outport) |
4551 | if (a != SCHEME_V->outport) |
4768 | { |
4552 | { |
4769 | x = cons (SCHEME_V->outport, NIL); |
4553 | x = cons (SCHEME_V->outport, NIL); |
4770 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
4554 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
4771 | SCHEME_V->outport = car (SCHEME_V->args); |
4555 | SCHEME_V->outport = a; |
4772 | } |
4556 | } |
4773 | } |
4557 | } |
4774 | |
4558 | |
4775 | putstr (SCHEME_A_ "\n"); |
4559 | putstr (SCHEME_A_ "\n"); |
4776 | s_return (S_T); |
4560 | s_return (S_T); |
4777 | #endif |
4561 | #endif |
4778 | |
4562 | |
4779 | case OP_ERR0: /* error */ |
4563 | case OP_ERR0: /* error */ |
4780 | SCHEME_V->retcode = -1; |
4564 | SCHEME_V->retcode = -1; |
4781 | |
4565 | |
4782 | if (!is_string (car (SCHEME_V->args))) |
4566 | if (!is_string (a)) |
4783 | { |
4567 | { |
4784 | SCHEME_V->args = cons (mk_string (SCHEME_A_ " -- "), SCHEME_V->args); |
4568 | args = cons (mk_string (SCHEME_A_ " -- "), args); |
4785 | setimmutable (car (SCHEME_V->args)); |
4569 | setimmutable (car (args)); |
4786 | } |
4570 | } |
4787 | |
4571 | |
4788 | putstr (SCHEME_A_ "Error: "); |
4572 | putstr (SCHEME_A_ "Error: "); |
4789 | putstr (SCHEME_A_ strvalue (car (SCHEME_V->args))); |
4573 | putstr (SCHEME_A_ strvalue (car (args))); |
4790 | SCHEME_V->args = cdr (SCHEME_V->args); |
4574 | SCHEME_V->args = cdr (args); |
4791 | s_goto (OP_ERR1); |
4575 | s_goto (OP_ERR1); |
4792 | |
4576 | |
4793 | case OP_ERR1: /* error */ |
4577 | case OP_ERR1: /* error */ |
4794 | putstr (SCHEME_A_ " "); |
4578 | putstr (SCHEME_A_ " "); |
4795 | |
4579 | |
4796 | if (SCHEME_V->args != NIL) |
4580 | if (args != NIL) |
4797 | { |
4581 | { |
4798 | s_save (SCHEME_A_ OP_ERR1, cdr (SCHEME_V->args), NIL); |
4582 | s_save (SCHEME_A_ OP_ERR1, cdr (args), NIL); |
4799 | SCHEME_V->args = car (SCHEME_V->args); |
4583 | SCHEME_V->args = a; |
4800 | SCHEME_V->print_flag = 1; |
4584 | SCHEME_V->print_flag = 1; |
4801 | s_goto (OP_P0LIST); |
4585 | s_goto (OP_P0LIST); |
4802 | } |
4586 | } |
4803 | else |
4587 | else |
4804 | { |
4588 | { |
4805 | putstr (SCHEME_A_ "\n"); |
4589 | putstr (SCHEME_A_ "\n"); |
4806 | |
4590 | |
4807 | if (SCHEME_V->interactive_repl) |
4591 | if (SCHEME_V->interactive_repl) |
4808 | s_goto (OP_T0LVL); |
4592 | s_goto (OP_T0LVL); |
4809 | else |
4593 | else |
4810 | return NIL; |
4594 | return -1; |
4811 | } |
4595 | } |
4812 | |
4596 | |
4813 | case OP_REVERSE: /* reverse */ |
4597 | case OP_REVERSE: /* reverse */ |
4814 | s_return (reverse (SCHEME_A_ car (SCHEME_V->args))); |
4598 | s_return (reverse (SCHEME_A_ a)); |
4815 | |
4599 | |
4816 | case OP_LIST_STAR: /* list* */ |
4600 | case OP_LIST_STAR: /* list* */ |
4817 | s_return (list_star (SCHEME_A_ SCHEME_V->args)); |
4601 | s_return (list_star (SCHEME_A_ SCHEME_V->args)); |
4818 | |
4602 | |
4819 | case OP_APPEND: /* append */ |
4603 | case OP_APPEND: /* append */ |
4820 | x = NIL; |
4604 | x = NIL; |
4821 | y = SCHEME_V->args; |
4605 | y = args; |
4822 | |
4606 | |
4823 | if (y == x) |
4607 | if (y == x) |
4824 | s_return (x); |
4608 | s_return (x); |
4825 | |
4609 | |
4826 | /* cdr() in the while condition is not a typo. If car() */ |
4610 | /* cdr() in the while condition is not a typo. If car() */ |
… | |
… | |
4837 | s_return (reverse_in_place (SCHEME_A_ car (y), x)); |
4621 | s_return (reverse_in_place (SCHEME_A_ car (y), x)); |
4838 | |
4622 | |
4839 | #if USE_PLIST |
4623 | #if USE_PLIST |
4840 | |
4624 | |
4841 | case OP_PUT: /* put */ |
4625 | case OP_PUT: /* put */ |
4842 | if (!hasprop (car (SCHEME_V->args)) || !hasprop (cadr (SCHEME_V->args))) |
4626 | if (!hasprop (a) || !hasprop (cadr (args))) |
4843 | Error_0 ("illegal use of put"); |
4627 | Error_0 ("illegal use of put"); |
4844 | |
4628 | |
4845 | for (x = symprop (car (SCHEME_V->args)), y = cadr (SCHEME_V->args); x != NIL; x = cdr (x)) |
4629 | for (x = symprop (a), y = cadr (args); x != NIL; x = cdr (x)) |
4846 | { |
4630 | { |
4847 | if (caar (x) == y) |
4631 | if (caar (x) == y) |
4848 | break; |
4632 | break; |
4849 | } |
4633 | } |
4850 | |
4634 | |
4851 | if (x != NIL) |
4635 | if (x != NIL) |
4852 | cdar (x) = caddr (SCHEME_V->args); |
4636 | cdar (x) = caddr (args); |
4853 | else |
4637 | else |
4854 | symprop (car (SCHEME_V->args)) = cons (cons (y, caddr (SCHEME_V->args)), symprop (car (SCHEME_V->args))); |
4638 | symprop (a) = cons (cons (y, caddr (args)), symprop (a)); |
4855 | |
4639 | |
4856 | s_return (S_T); |
4640 | s_return (S_T); |
4857 | |
4641 | |
4858 | case OP_GET: /* get */ |
4642 | case OP_GET: /* get */ |
4859 | if (!hasprop (car (SCHEME_V->args)) || !hasprop (cadr (SCHEME_V->args))) |
4643 | if (!hasprop (a) || !hasprop (cadr (args))) |
4860 | Error_0 ("illegal use of get"); |
4644 | Error_0 ("illegal use of get"); |
4861 | |
4645 | |
4862 | for (x = symprop (car (SCHEME_V->args)), y = cadr (SCHEME_V->args); x != NIL; x = cdr (x)) |
4646 | for (x = symprop (a), y = cadr (args); x != NIL; x = cdr (x)) |
4863 | if (caar (x) == y) |
4647 | if (caar (x) == y) |
4864 | break; |
4648 | break; |
4865 | |
4649 | |
4866 | if (x != NIL) |
4650 | if (x != NIL) |
4867 | s_return (cdar (x)); |
4651 | s_return (cdar (x)); |
… | |
… | |
4869 | s_return (NIL); |
4653 | s_return (NIL); |
4870 | |
4654 | |
4871 | #endif /* USE_PLIST */ |
4655 | #endif /* USE_PLIST */ |
4872 | |
4656 | |
4873 | case OP_QUIT: /* quit */ |
4657 | case OP_QUIT: /* quit */ |
4874 | if (is_pair (SCHEME_V->args)) |
4658 | if (is_pair (args)) |
4875 | SCHEME_V->retcode = ivalue (car (SCHEME_V->args)); |
4659 | SCHEME_V->retcode = ivalue (a); |
4876 | |
4660 | |
4877 | return NIL; |
4661 | return -1; |
4878 | |
4662 | |
4879 | case OP_GC: /* gc */ |
4663 | case OP_GC: /* gc */ |
4880 | gc (SCHEME_A_ NIL, NIL); |
4664 | gc (SCHEME_A_ NIL, NIL); |
4881 | s_return (S_T); |
4665 | s_return (S_T); |
4882 | |
4666 | |
4883 | case OP_GCVERB: /* gc-verbose */ |
4667 | case OP_GCVERB: /* gc-verbose */ |
4884 | { |
4668 | { |
4885 | int was = SCHEME_V->gc_verbose; |
4669 | int was = SCHEME_V->gc_verbose; |
4886 | |
4670 | |
4887 | SCHEME_V->gc_verbose = (car (SCHEME_V->args) != S_F); |
4671 | SCHEME_V->gc_verbose = (a != S_F); |
4888 | s_retbool (was); |
4672 | s_retbool (was); |
4889 | } |
4673 | } |
4890 | |
4674 | |
4891 | case OP_NEWSEGMENT: /* new-segment */ |
4675 | case OP_NEWSEGMENT: /* new-segment */ |
4892 | if (!is_pair (SCHEME_V->args) || !is_number (car (SCHEME_V->args))) |
4676 | if (!is_pair (args) || !is_number (a)) |
4893 | Error_0 ("new-segment: argument must be a number"); |
4677 | Error_0 ("new-segment: argument must be a number"); |
4894 | |
4678 | |
4895 | alloc_cellseg (SCHEME_A_ (int)ivalue (car (SCHEME_V->args))); |
4679 | alloc_cellseg (SCHEME_A_ ivalue (a)); |
4896 | |
4680 | |
4897 | s_return (S_T); |
4681 | s_return (S_T); |
4898 | |
4682 | |
4899 | case OP_OBLIST: /* oblist */ |
4683 | case OP_OBLIST: /* oblist */ |
4900 | s_return (oblist_all_symbols (SCHEME_A)); |
4684 | s_return (oblist_all_symbols (SCHEME_A)); |
… | |
… | |
4927 | case OP_OPEN_INOUTFILE: |
4711 | case OP_OPEN_INOUTFILE: |
4928 | prop = port_input | port_output; |
4712 | prop = port_input | port_output; |
4929 | break; |
4713 | break; |
4930 | } |
4714 | } |
4931 | |
4715 | |
4932 | p = port_from_filename (SCHEME_A_ strvalue (car (SCHEME_V->args)), prop); |
4716 | p = port_from_filename (SCHEME_A_ strvalue (a), prop); |
4933 | |
4717 | |
4934 | if (p == NIL) |
4718 | s_return (p == NIL ? S_F : p); |
4935 | s_return (S_F); |
|
|
4936 | |
|
|
4937 | s_return (p); |
|
|
4938 | } |
4719 | } |
4939 | |
4720 | |
4940 | # if USE_STRING_PORTS |
4721 | # if USE_STRING_PORTS |
4941 | |
4722 | |
4942 | case OP_OPEN_INSTRING: /* open-input-string */ |
4723 | case OP_OPEN_INSTRING: /* open-input-string */ |
… | |
… | |
4954 | case OP_OPEN_INOUTSTRING: |
4735 | case OP_OPEN_INOUTSTRING: |
4955 | prop = port_input | port_output; |
4736 | prop = port_input | port_output; |
4956 | break; |
4737 | break; |
4957 | } |
4738 | } |
4958 | |
4739 | |
4959 | p = port_from_string (SCHEME_A_ strvalue (car (SCHEME_V->args)), |
4740 | p = port_from_string (SCHEME_A_ strvalue (a), |
4960 | strvalue (car (SCHEME_V->args)) + strlength (car (SCHEME_V->args)), prop); |
4741 | strvalue (a) + strlength (a), prop); |
4961 | |
4742 | |
4962 | if (p == NIL) |
4743 | s_return (p == NIL ? S_F : p); |
4963 | s_return (S_F); |
|
|
4964 | |
|
|
4965 | s_return (p); |
|
|
4966 | } |
4744 | } |
4967 | |
4745 | |
4968 | case OP_OPEN_OUTSTRING: /* open-output-string */ |
4746 | case OP_OPEN_OUTSTRING: /* open-output-string */ |
4969 | { |
4747 | { |
4970 | pointer p; |
4748 | pointer p; |
4971 | |
4749 | |
4972 | if (car (SCHEME_V->args) == NIL) |
4750 | if (a == NIL) |
4973 | { |
|
|
4974 | p = port_from_scratch (SCHEME_A); |
4751 | p = port_from_scratch (SCHEME_A); |
4975 | |
|
|
4976 | if (p == NIL) |
|
|
4977 | s_return (S_F); |
|
|
4978 | } |
|
|
4979 | else |
4752 | else |
4980 | { |
|
|
4981 | p = port_from_string (SCHEME_A_ strvalue (car (SCHEME_V->args)), |
4753 | p = port_from_string (SCHEME_A_ strvalue (a), |
4982 | strvalue (car (SCHEME_V->args)) + strlength (car (SCHEME_V->args)), port_output); |
4754 | strvalue (a) + strlength (a), port_output); |
4983 | |
4755 | |
4984 | if (p == NIL) |
4756 | s_return (p == NIL ? S_F : p); |
4985 | s_return (S_F); |
|
|
4986 | } |
|
|
4987 | |
|
|
4988 | s_return (p); |
|
|
4989 | } |
4757 | } |
4990 | |
4758 | |
4991 | case OP_GET_OUTSTRING: /* get-output-string */ |
4759 | case OP_GET_OUTSTRING: /* get-output-string */ |
4992 | { |
4760 | { |
4993 | port *p; |
4761 | port *p; |
4994 | |
4762 | |
4995 | if ((p = car (SCHEME_V->args)->object.port)->kind & port_string) |
4763 | if ((p = a->object.port)->kind & port_string) |
4996 | { |
4764 | { |
4997 | off_t size; |
4765 | off_t size; |
4998 | char *str; |
4766 | char *str; |
4999 | |
4767 | |
5000 | size = p->rep.string.curr - p->rep.string.start + 1; |
4768 | size = p->rep.string.curr - p->rep.string.start + 1; |
… | |
… | |
5016 | } |
4784 | } |
5017 | |
4785 | |
5018 | # endif |
4786 | # endif |
5019 | |
4787 | |
5020 | case OP_CLOSE_INPORT: /* close-input-port */ |
4788 | case OP_CLOSE_INPORT: /* close-input-port */ |
5021 | port_close (SCHEME_A_ car (SCHEME_V->args), port_input); |
4789 | port_close (SCHEME_A_ a, port_input); |
5022 | s_return (S_T); |
4790 | s_return (S_T); |
5023 | |
4791 | |
5024 | case OP_CLOSE_OUTPORT: /* close-output-port */ |
4792 | case OP_CLOSE_OUTPORT: /* close-output-port */ |
5025 | port_close (SCHEME_A_ car (SCHEME_V->args), port_output); |
4793 | port_close (SCHEME_A_ a, port_output); |
5026 | s_return (S_T); |
4794 | s_return (S_T); |
5027 | #endif |
4795 | #endif |
5028 | |
4796 | |
5029 | case OP_INT_ENV: /* interaction-environment */ |
4797 | case OP_INT_ENV: /* interaction-environment */ |
5030 | s_return (SCHEME_V->global_env); |
4798 | s_return (SCHEME_V->global_env); |
… | |
… | |
5032 | case OP_CURR_ENV: /* current-environment */ |
4800 | case OP_CURR_ENV: /* current-environment */ |
5033 | s_return (SCHEME_V->envir); |
4801 | s_return (SCHEME_V->envir); |
5034 | |
4802 | |
5035 | } |
4803 | } |
5036 | |
4804 | |
5037 | return S_T; |
4805 | if (USE_ERROR_CHECKING) abort (); |
5038 | } |
4806 | } |
5039 | |
4807 | |
5040 | static pointer |
4808 | static int |
5041 | opexe_5 (SCHEME_P_ enum scheme_opcodes op) |
4809 | opexe_5 (SCHEME_P_ enum scheme_opcodes op) |
5042 | { |
4810 | { |
|
|
4811 | pointer args = SCHEME_V->args; |
5043 | pointer x; |
4812 | pointer x; |
5044 | |
4813 | |
5045 | if (SCHEME_V->nesting != 0) |
4814 | if (SCHEME_V->nesting != 0) |
5046 | { |
4815 | { |
5047 | int n = SCHEME_V->nesting; |
4816 | int n = SCHEME_V->nesting; |
… | |
… | |
5054 | switch (op) |
4823 | switch (op) |
5055 | { |
4824 | { |
5056 | /* ========== reading part ========== */ |
4825 | /* ========== reading part ========== */ |
5057 | #if USE_PORTS |
4826 | #if USE_PORTS |
5058 | case OP_READ: |
4827 | case OP_READ: |
5059 | if (!is_pair (SCHEME_V->args)) |
4828 | if (!is_pair (args)) |
5060 | s_goto (OP_READ_INTERNAL); |
4829 | s_goto (OP_READ_INTERNAL); |
5061 | |
4830 | |
5062 | if (!is_inport (car (SCHEME_V->args))) |
4831 | if (!is_inport (car (args))) |
5063 | Error_1 ("read: not an input port:", car (SCHEME_V->args)); |
4832 | Error_1 ("read: not an input port:", car (args)); |
5064 | |
4833 | |
5065 | if (car (SCHEME_V->args) == SCHEME_V->inport) |
4834 | if (car (args) == SCHEME_V->inport) |
5066 | s_goto (OP_READ_INTERNAL); |
4835 | s_goto (OP_READ_INTERNAL); |
5067 | |
4836 | |
5068 | x = SCHEME_V->inport; |
4837 | x = SCHEME_V->inport; |
5069 | SCHEME_V->inport = car (SCHEME_V->args); |
4838 | SCHEME_V->inport = car (args); |
5070 | x = cons (x, NIL); |
4839 | x = cons (x, NIL); |
5071 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
4840 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
5072 | s_goto (OP_READ_INTERNAL); |
4841 | s_goto (OP_READ_INTERNAL); |
5073 | |
4842 | |
5074 | case OP_READ_CHAR: /* read-char */ |
4843 | case OP_READ_CHAR: /* read-char */ |
5075 | case OP_PEEK_CHAR: /* peek-char */ |
4844 | case OP_PEEK_CHAR: /* peek-char */ |
5076 | { |
4845 | { |
5077 | int c; |
4846 | int c; |
5078 | |
4847 | |
5079 | if (is_pair (SCHEME_V->args)) |
4848 | if (is_pair (args)) |
5080 | { |
4849 | { |
5081 | if (car (SCHEME_V->args) != SCHEME_V->inport) |
4850 | if (car (args) != SCHEME_V->inport) |
5082 | { |
4851 | { |
5083 | x = SCHEME_V->inport; |
4852 | x = SCHEME_V->inport; |
5084 | x = cons (x, NIL); |
4853 | x = cons (x, NIL); |
5085 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
4854 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
5086 | SCHEME_V->inport = car (SCHEME_V->args); |
4855 | SCHEME_V->inport = car (args); |
5087 | } |
4856 | } |
5088 | } |
4857 | } |
5089 | |
4858 | |
5090 | c = inchar (SCHEME_A); |
4859 | c = inchar (SCHEME_A); |
5091 | |
4860 | |
… | |
… | |
5101 | case OP_CHAR_READY: /* char-ready? */ |
4870 | case OP_CHAR_READY: /* char-ready? */ |
5102 | { |
4871 | { |
5103 | pointer p = SCHEME_V->inport; |
4872 | pointer p = SCHEME_V->inport; |
5104 | int res; |
4873 | int res; |
5105 | |
4874 | |
5106 | if (is_pair (SCHEME_V->args)) |
4875 | if (is_pair (args)) |
5107 | p = car (SCHEME_V->args); |
4876 | p = car (args); |
5108 | |
4877 | |
5109 | res = p->object.port->kind & port_string; |
4878 | res = p->object.port->kind & port_string; |
5110 | |
4879 | |
5111 | s_retbool (res); |
4880 | s_retbool (res); |
5112 | } |
4881 | } |
5113 | |
4882 | |
5114 | case OP_SET_INPORT: /* set-input-port */ |
4883 | case OP_SET_INPORT: /* set-input-port */ |
5115 | SCHEME_V->inport = car (SCHEME_V->args); |
4884 | SCHEME_V->inport = car (args); |
5116 | s_return (SCHEME_V->value); |
4885 | s_return (SCHEME_V->value); |
5117 | |
4886 | |
5118 | case OP_SET_OUTPORT: /* set-output-port */ |
4887 | case OP_SET_OUTPORT: /* set-output-port */ |
5119 | SCHEME_V->outport = car (SCHEME_V->args); |
4888 | SCHEME_V->outport = car (args); |
5120 | s_return (SCHEME_V->value); |
4889 | s_return (SCHEME_V->value); |
5121 | #endif |
4890 | #endif |
5122 | |
4891 | |
5123 | case OP_RDSEXPR: |
4892 | case OP_RDSEXPR: |
5124 | switch (SCHEME_V->tok) |
4893 | switch (SCHEME_V->tok) |
… | |
… | |
5173 | s_save (SCHEME_A_ OP_RDUQTSP, NIL, NIL); |
4942 | s_save (SCHEME_A_ OP_RDUQTSP, NIL, NIL); |
5174 | SCHEME_V->tok = token (SCHEME_A); |
4943 | SCHEME_V->tok = token (SCHEME_A); |
5175 | s_goto (OP_RDSEXPR); |
4944 | s_goto (OP_RDSEXPR); |
5176 | |
4945 | |
5177 | case TOK_ATOM: |
4946 | case TOK_ATOM: |
5178 | s_return (mk_atom (SCHEME_A_ readstr_upto (SCHEME_A_ DELIMITERS))); |
4947 | s_return (mk_atom (SCHEME_A_ readstr_upto (SCHEME_A_ 0, DELIMITERS))); |
|
|
4948 | |
|
|
4949 | case TOK_DOTATOM: |
|
|
4950 | SCHEME_V->strbuff[0] = '.'; |
|
|
4951 | s_return (mk_atom (SCHEME_A_ readstr_upto (SCHEME_A_ 1, DELIMITERS))); |
5179 | |
4952 | |
5180 | case TOK_DQUOTE: |
4953 | case TOK_DQUOTE: |
5181 | x = readstrexp (SCHEME_A); |
4954 | x = readstrexp (SCHEME_A_ '"'); |
5182 | |
4955 | |
5183 | if (x == S_F) |
4956 | if (x == S_F) |
5184 | Error_0 ("Error reading string"); |
4957 | Error_0 ("Error reading string"); |
5185 | |
4958 | |
5186 | setimmutable (x); |
4959 | setimmutable (x); |
… | |
… | |
5198 | s_goto (OP_EVAL); |
4971 | s_goto (OP_EVAL); |
5199 | } |
4972 | } |
5200 | } |
4973 | } |
5201 | |
4974 | |
5202 | case TOK_SHARP_CONST: |
4975 | case TOK_SHARP_CONST: |
5203 | if ((x = mk_sharp_const (SCHEME_A_ readstr_upto (SCHEME_A_ DELIMITERS))) == NIL) |
4976 | if ((x = mk_sharp_const (SCHEME_A_ readstr_upto (SCHEME_A_ 0, DELIMITERS))) == NIL) |
5204 | Error_0 ("undefined sharp expression"); |
4977 | Error_0 ("undefined sharp expression"); |
5205 | else |
4978 | else |
5206 | s_return (x); |
4979 | s_return (x); |
5207 | |
4980 | |
5208 | default: |
4981 | default: |
… | |
… | |
5210 | } |
4983 | } |
5211 | |
4984 | |
5212 | break; |
4985 | break; |
5213 | |
4986 | |
5214 | case OP_RDLIST: |
4987 | case OP_RDLIST: |
5215 | SCHEME_V->args = cons (SCHEME_V->value, SCHEME_V->args); |
4988 | SCHEME_V->args = cons (SCHEME_V->value, args); |
5216 | SCHEME_V->tok = token (SCHEME_A); |
4989 | SCHEME_V->tok = token (SCHEME_A); |
5217 | |
4990 | |
5218 | switch (SCHEME_V->tok) |
4991 | switch (SCHEME_V->tok) |
5219 | { |
4992 | { |
5220 | case TOK_EOF: |
4993 | case TOK_EOF: |
… | |
… | |
5248 | case OP_RDDOT: |
5021 | case OP_RDDOT: |
5249 | if (token (SCHEME_A) != TOK_RPAREN) |
5022 | if (token (SCHEME_A) != TOK_RPAREN) |
5250 | Error_0 ("syntax error: illegal dot expression"); |
5023 | Error_0 ("syntax error: illegal dot expression"); |
5251 | |
5024 | |
5252 | SCHEME_V->nesting_stack[SCHEME_V->file_i]--; |
5025 | SCHEME_V->nesting_stack[SCHEME_V->file_i]--; |
5253 | s_return (reverse_in_place (SCHEME_A_ SCHEME_V->value, SCHEME_V->args)); |
5026 | s_return (reverse_in_place (SCHEME_A_ SCHEME_V->value, args)); |
5254 | |
5027 | |
5255 | case OP_RDQUOTE: |
5028 | case OP_RDQUOTE: |
5256 | s_return (cons (SCHEME_V->QUOTE, cons (SCHEME_V->value, NIL))); |
5029 | s_return (cons (SCHEME_V->QUOTE, cons (SCHEME_V->value, NIL))); |
5257 | |
5030 | |
5258 | case OP_RDQQUOTE: |
5031 | case OP_RDQQUOTE: |
… | |
… | |
5280 | SCHEME_V->args = SCHEME_V->value; |
5053 | SCHEME_V->args = SCHEME_V->value; |
5281 | s_goto (OP_VECTOR); |
5054 | s_goto (OP_VECTOR); |
5282 | |
5055 | |
5283 | /* ========== printing part ========== */ |
5056 | /* ========== printing part ========== */ |
5284 | case OP_P0LIST: |
5057 | case OP_P0LIST: |
5285 | if (is_vector (SCHEME_V->args)) |
5058 | if (is_vector (args)) |
5286 | { |
5059 | { |
5287 | putstr (SCHEME_A_ "#("); |
5060 | putstr (SCHEME_A_ "#("); |
5288 | SCHEME_V->args = cons (SCHEME_V->args, mk_integer (SCHEME_A_ 0)); |
5061 | SCHEME_V->args = cons (args, mk_integer (SCHEME_A_ 0)); |
5289 | s_goto (OP_PVECFROM); |
5062 | s_goto (OP_PVECFROM); |
5290 | } |
5063 | } |
5291 | else if (is_environment (SCHEME_V->args)) |
5064 | else if (is_environment (args)) |
5292 | { |
5065 | { |
5293 | putstr (SCHEME_A_ "#<ENVIRONMENT>"); |
5066 | putstr (SCHEME_A_ "#<ENVIRONMENT>"); |
5294 | s_return (S_T); |
5067 | s_return (S_T); |
5295 | } |
5068 | } |
5296 | else if (!is_pair (SCHEME_V->args)) |
5069 | else if (!is_pair (args)) |
5297 | { |
5070 | { |
5298 | printatom (SCHEME_A_ SCHEME_V->args, SCHEME_V->print_flag); |
5071 | printatom (SCHEME_A_ args, SCHEME_V->print_flag); |
5299 | s_return (S_T); |
5072 | s_return (S_T); |
5300 | } |
5073 | } |
5301 | else if (car (SCHEME_V->args) == SCHEME_V->QUOTE && ok_abbrev (cdr (SCHEME_V->args))) |
5074 | else |
5302 | { |
5075 | { |
|
|
5076 | pointer a = car (args); |
|
|
5077 | pointer b = cdr (args); |
|
|
5078 | int ok_abbr = ok_abbrev (b); |
|
|
5079 | SCHEME_V->args = car (b); |
|
|
5080 | |
|
|
5081 | if (a == SCHEME_V->QUOTE && ok_abbr) |
5303 | putstr (SCHEME_A_ "'"); |
5082 | putstr (SCHEME_A_ "'"); |
5304 | SCHEME_V->args = cadr (SCHEME_V->args); |
5083 | else if (a == SCHEME_V->QQUOTE && ok_abbr) |
|
|
5084 | putstr (SCHEME_A_ "`"); |
|
|
5085 | else if (a == SCHEME_V->UNQUOTE && ok_abbr) |
|
|
5086 | putstr (SCHEME_A_ ","); |
|
|
5087 | else if (a == SCHEME_V->UNQUOTESP && ok_abbr) |
|
|
5088 | putstr (SCHEME_A_ ",@"); |
|
|
5089 | else |
|
|
5090 | { |
|
|
5091 | putstr (SCHEME_A_ "("); |
|
|
5092 | s_save (SCHEME_A_ OP_P1LIST, b, NIL); |
|
|
5093 | SCHEME_V->args = a; |
|
|
5094 | } |
|
|
5095 | |
5305 | s_goto (OP_P0LIST); |
5096 | s_goto (OP_P0LIST); |
5306 | } |
5097 | } |
5307 | else if (car (SCHEME_V->args) == SCHEME_V->QQUOTE && ok_abbrev (cdr (SCHEME_V->args))) |
5098 | |
|
|
5099 | case OP_P1LIST: |
|
|
5100 | if (is_pair (args)) |
5308 | { |
5101 | { |
|
|
5102 | s_save (SCHEME_A_ OP_P1LIST, cdr (args), NIL); |
5309 | putstr (SCHEME_A_ "`"); |
5103 | putstr (SCHEME_A_ " "); |
5310 | SCHEME_V->args = cadr (SCHEME_V->args); |
5104 | SCHEME_V->args = car (args); |
5311 | s_goto (OP_P0LIST); |
5105 | s_goto (OP_P0LIST); |
5312 | } |
5106 | } |
5313 | else if (car (SCHEME_V->args) == SCHEME_V->UNQUOTE && ok_abbrev (cdr (SCHEME_V->args))) |
|
|
5314 | { |
|
|
5315 | putstr (SCHEME_A_ ","); |
|
|
5316 | SCHEME_V->args = cadr (SCHEME_V->args); |
|
|
5317 | s_goto (OP_P0LIST); |
|
|
5318 | } |
|
|
5319 | else if (car (SCHEME_V->args) == SCHEME_V->UNQUOTESP && ok_abbrev (cdr (SCHEME_V->args))) |
|
|
5320 | { |
|
|
5321 | putstr (SCHEME_A_ ",@"); |
|
|
5322 | SCHEME_V->args = cadr (SCHEME_V->args); |
|
|
5323 | s_goto (OP_P0LIST); |
|
|
5324 | } |
|
|
5325 | else |
|
|
5326 | { |
|
|
5327 | putstr (SCHEME_A_ "("); |
|
|
5328 | s_save (SCHEME_A_ OP_P1LIST, cdr (SCHEME_V->args), NIL); |
|
|
5329 | SCHEME_V->args = car (SCHEME_V->args); |
|
|
5330 | s_goto (OP_P0LIST); |
|
|
5331 | } |
|
|
5332 | |
|
|
5333 | case OP_P1LIST: |
|
|
5334 | if (is_pair (SCHEME_V->args)) |
|
|
5335 | { |
|
|
5336 | s_save (SCHEME_A_ OP_P1LIST, cdr (SCHEME_V->args), NIL); |
|
|
5337 | putstr (SCHEME_A_ " "); |
|
|
5338 | SCHEME_V->args = car (SCHEME_V->args); |
|
|
5339 | s_goto (OP_P0LIST); |
|
|
5340 | } |
|
|
5341 | else if (is_vector (SCHEME_V->args)) |
5107 | else if (is_vector (args)) |
5342 | { |
5108 | { |
5343 | s_save (SCHEME_A_ OP_P1LIST, NIL, NIL); |
5109 | s_save (SCHEME_A_ OP_P1LIST, NIL, NIL); |
5344 | putstr (SCHEME_A_ " . "); |
5110 | putstr (SCHEME_A_ " . "); |
5345 | s_goto (OP_P0LIST); |
5111 | s_goto (OP_P0LIST); |
5346 | } |
5112 | } |
5347 | else |
5113 | else |
5348 | { |
5114 | { |
5349 | if (SCHEME_V->args != NIL) |
5115 | if (args != NIL) |
5350 | { |
5116 | { |
5351 | putstr (SCHEME_A_ " . "); |
5117 | putstr (SCHEME_A_ " . "); |
5352 | printatom (SCHEME_A_ SCHEME_V->args, SCHEME_V->print_flag); |
5118 | printatom (SCHEME_A_ args, SCHEME_V->print_flag); |
5353 | } |
5119 | } |
5354 | |
5120 | |
5355 | putstr (SCHEME_A_ ")"); |
5121 | putstr (SCHEME_A_ ")"); |
5356 | s_return (S_T); |
5122 | s_return (S_T); |
5357 | } |
5123 | } |
5358 | |
5124 | |
5359 | case OP_PVECFROM: |
5125 | case OP_PVECFROM: |
5360 | { |
5126 | { |
5361 | int i = ivalue_unchecked (cdr (SCHEME_V->args)); |
5127 | int i = ivalue_unchecked (cdr (args)); |
5362 | pointer vec = car (SCHEME_V->args); |
5128 | pointer vec = car (args); |
5363 | int len = veclength (vec); |
5129 | int len = veclength (vec); |
5364 | |
5130 | |
5365 | if (i == len) |
5131 | if (i == len) |
5366 | { |
5132 | { |
5367 | putstr (SCHEME_A_ ")"); |
5133 | putstr (SCHEME_A_ ")"); |
5368 | s_return (S_T); |
5134 | s_return (S_T); |
5369 | } |
5135 | } |
5370 | else |
5136 | else |
5371 | { |
5137 | { |
5372 | pointer elem = vector_elem (vec, i); |
5138 | pointer elem = vector_get (vec, i); |
5373 | |
5139 | |
5374 | ivalue_unchecked (cdr (SCHEME_V->args)) = i + 1; |
5140 | ivalue_unchecked (cdr (args)) = i + 1; |
5375 | s_save (SCHEME_A_ OP_PVECFROM, SCHEME_V->args, NIL); |
5141 | s_save (SCHEME_A_ OP_PVECFROM, args, NIL); |
5376 | SCHEME_V->args = elem; |
5142 | SCHEME_V->args = elem; |
5377 | |
5143 | |
5378 | if (i > 0) |
5144 | if (i > 0) |
5379 | putstr (SCHEME_A_ " "); |
5145 | putstr (SCHEME_A_ " "); |
5380 | |
5146 | |
5381 | s_goto (OP_P0LIST); |
5147 | s_goto (OP_P0LIST); |
5382 | } |
5148 | } |
5383 | } |
5149 | } |
5384 | } |
5150 | } |
5385 | |
5151 | |
5386 | return S_T; |
5152 | if (USE_ERROR_CHECKING) abort (); |
5387 | } |
5153 | } |
5388 | |
5154 | |
5389 | static pointer |
5155 | static int |
5390 | opexe_6 (SCHEME_P_ enum scheme_opcodes op) |
5156 | opexe_6 (SCHEME_P_ enum scheme_opcodes op) |
5391 | { |
5157 | { |
|
|
5158 | pointer args = SCHEME_V->args; |
|
|
5159 | pointer a = car (args); |
5392 | pointer x, y; |
5160 | pointer x, y; |
5393 | |
5161 | |
5394 | switch (op) |
5162 | switch (op) |
5395 | { |
5163 | { |
5396 | case OP_LIST_LENGTH: /* length *//* a.k */ |
5164 | case OP_LIST_LENGTH: /* length *//* a.k */ |
5397 | { |
5165 | { |
5398 | long v = list_length (SCHEME_A_ car (SCHEME_V->args)); |
5166 | long v = list_length (SCHEME_A_ a); |
5399 | |
5167 | |
5400 | if (v < 0) |
5168 | if (v < 0) |
5401 | Error_1 ("length: not a list:", car (SCHEME_V->args)); |
5169 | Error_1 ("length: not a list:", a); |
5402 | |
5170 | |
5403 | s_return (mk_integer (SCHEME_A_ v)); |
5171 | s_return (mk_integer (SCHEME_A_ v)); |
5404 | } |
5172 | } |
5405 | |
5173 | |
5406 | case OP_ASSQ: /* assq *//* a.k */ |
5174 | case OP_ASSQ: /* assq *//* a.k */ |
5407 | x = car (SCHEME_V->args); |
5175 | x = a; |
5408 | |
5176 | |
5409 | for (y = cadr (SCHEME_V->args); is_pair (y); y = cdr (y)) |
5177 | for (y = cadr (args); is_pair (y); y = cdr (y)) |
5410 | { |
5178 | { |
5411 | if (!is_pair (car (y))) |
5179 | if (!is_pair (car (y))) |
5412 | Error_0 ("unable to handle non pair element"); |
5180 | Error_0 ("unable to handle non pair element"); |
5413 | |
5181 | |
5414 | if (x == caar (y)) |
5182 | if (x == caar (y)) |
… | |
… | |
5420 | else |
5188 | else |
5421 | s_return (S_F); |
5189 | s_return (S_F); |
5422 | |
5190 | |
5423 | |
5191 | |
5424 | case OP_GET_CLOSURE: /* get-closure-code *//* a.k */ |
5192 | case OP_GET_CLOSURE: /* get-closure-code *//* a.k */ |
5425 | SCHEME_V->args = car (SCHEME_V->args); |
5193 | SCHEME_V->args = a; |
5426 | |
5194 | |
5427 | if (SCHEME_V->args == NIL) |
5195 | if (SCHEME_V->args == NIL) |
5428 | s_return (S_F); |
5196 | s_return (S_F); |
5429 | else if (is_closure (SCHEME_V->args)) |
5197 | else if (is_closure (SCHEME_V->args)) |
5430 | s_return (cons (SCHEME_V->LAMBDA, closure_code (SCHEME_V->value))); |
5198 | s_return (cons (SCHEME_V->LAMBDA, closure_code (SCHEME_V->value))); |
… | |
… | |
5436 | case OP_CLOSUREP: /* closure? */ |
5204 | case OP_CLOSUREP: /* closure? */ |
5437 | /* |
5205 | /* |
5438 | * Note, macro object is also a closure. |
5206 | * Note, macro object is also a closure. |
5439 | * Therefore, (closure? <#MACRO>) ==> #t |
5207 | * Therefore, (closure? <#MACRO>) ==> #t |
5440 | */ |
5208 | */ |
5441 | s_retbool (is_closure (car (SCHEME_V->args))); |
5209 | s_retbool (is_closure (a)); |
5442 | |
5210 | |
5443 | case OP_MACROP: /* macro? */ |
5211 | case OP_MACROP: /* macro? */ |
5444 | s_retbool (is_macro (car (SCHEME_V->args))); |
5212 | s_retbool (is_macro (a)); |
5445 | } |
5213 | } |
5446 | |
5214 | |
5447 | return S_T; /* NOTREACHED */ |
5215 | if (USE_ERROR_CHECKING) abort (); |
5448 | } |
5216 | } |
5449 | |
5217 | |
|
|
5218 | /* dispatch functions (opexe_x) return new opcode, or 0 for same opcode, or -1 to stop */ |
5450 | typedef pointer (*dispatch_func) (SCHEME_P_ enum scheme_opcodes); |
5219 | typedef int (*dispatch_func)(SCHEME_P_ enum scheme_opcodes); |
5451 | |
5220 | |
5452 | typedef int (*test_predicate) (pointer); |
5221 | typedef int (*test_predicate)(pointer); |
5453 | static int |
5222 | static int |
5454 | is_any (pointer p) |
5223 | tst_any (pointer p) |
5455 | { |
5224 | { |
5456 | return 1; |
5225 | return 1; |
5457 | } |
5226 | } |
5458 | |
5227 | |
5459 | static int |
5228 | static int |
5460 | is_nonneg (pointer p) |
5229 | tst_inonneg (pointer p) |
5461 | { |
5230 | { |
5462 | return ivalue (p) >= 0 && is_integer (p); |
5231 | return is_integer (p) && ivalue_unchecked (p) >= 0; |
|
|
5232 | } |
|
|
5233 | |
|
|
5234 | static int |
|
|
5235 | tst_is_list (SCHEME_P_ pointer p) |
|
|
5236 | { |
|
|
5237 | return p == NIL || is_pair (p); |
5463 | } |
5238 | } |
5464 | |
5239 | |
5465 | /* Correspond carefully with following defines! */ |
5240 | /* Correspond carefully with following defines! */ |
5466 | static struct |
5241 | static struct |
5467 | { |
5242 | { |
5468 | test_predicate fct; |
5243 | test_predicate fct; |
5469 | const char *kind; |
5244 | const char *kind; |
5470 | } tests[] = |
5245 | } tests[] = { |
5471 | { |
5246 | { tst_any , 0 }, |
5472 | { 0, 0}, /* unused */ |
5247 | { is_string , "string" }, |
5473 | { is_any, 0}, |
5248 | { is_symbol , "symbol" }, |
5474 | { is_string, "string" }, |
5249 | { is_port , "port" }, |
5475 | { is_symbol, "symbol" }, |
|
|
5476 | { is_port, "port" }, |
|
|
5477 | { is_inport, "input port" }, |
5250 | { is_inport , "input port" }, |
5478 | { is_outport, "output port" }, |
5251 | { is_outport , "output port" }, |
5479 | { is_environment, "environment" }, |
5252 | { is_environment, "environment" }, |
5480 | { is_pair, "pair" }, |
5253 | { is_pair , "pair" }, |
5481 | { 0, "pair or '()" }, |
5254 | { 0 , "pair or '()" }, |
5482 | { is_character, "character" }, |
5255 | { is_character , "character" }, |
5483 | { is_vector, "vector" }, |
5256 | { is_vector , "vector" }, |
5484 | { is_number, "number" }, |
5257 | { is_number , "number" }, |
5485 | { is_integer, "integer" }, |
5258 | { is_integer , "integer" }, |
5486 | { is_nonneg, "non-negative integer" } |
5259 | { tst_inonneg , "non-negative integer" } |
5487 | }; |
5260 | }; |
5488 | |
5261 | |
5489 | #define TST_NONE 0 |
5262 | #define TST_NONE 0 /* TST_NONE used for built-ins, 0 for internal ops */ |
5490 | #define TST_ANY "\001" |
5263 | #define TST_ANY "\001" |
5491 | #define TST_STRING "\002" |
5264 | #define TST_STRING "\002" |
5492 | #define TST_SYMBOL "\003" |
5265 | #define TST_SYMBOL "\003" |
5493 | #define TST_PORT "\004" |
5266 | #define TST_PORT "\004" |
5494 | #define TST_INPORT "\005" |
5267 | #define TST_INPORT "\005" |
5495 | #define TST_OUTPORT "\006" |
5268 | #define TST_OUTPORT "\006" |
5496 | #define TST_ENVIRONMENT "\007" |
5269 | #define TST_ENVIRONMENT "\007" |
5497 | #define TST_PAIR "\010" |
5270 | #define TST_PAIR "\010" |
5498 | #define TST_LIST "\011" |
5271 | #define TST_LIST "\011" |
5499 | #define TST_CHAR "\012" |
5272 | #define TST_CHAR "\012" |
5500 | #define TST_VECTOR "\013" |
5273 | #define TST_VECTOR "\013" |
5501 | #define TST_NUMBER "\014" |
5274 | #define TST_NUMBER "\014" |
5502 | #define TST_INTEGER "\015" |
5275 | #define TST_INTEGER "\015" |
5503 | #define TST_NATURAL "\016" |
5276 | #define TST_NATURAL "\016" |
|
|
5277 | |
|
|
5278 | #define INF_ARG 0xff |
|
|
5279 | #define UNNAMED_OP "" |
|
|
5280 | |
|
|
5281 | static const char opnames[] = |
|
|
5282 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) name "\x00" |
|
|
5283 | #include "opdefines.h" |
|
|
5284 | #undef OP_DEF |
|
|
5285 | ; |
|
|
5286 | |
|
|
5287 | static const char * |
|
|
5288 | opname (int idx) |
|
|
5289 | { |
|
|
5290 | const char *name = opnames; |
|
|
5291 | |
|
|
5292 | /* should do this at compile time, but would require external program, right? */ |
|
|
5293 | while (idx--) |
|
|
5294 | name += strlen (name) + 1; |
|
|
5295 | |
|
|
5296 | return *name ? name : "ILLEGAL"; |
|
|
5297 | } |
|
|
5298 | |
|
|
5299 | static const char * |
|
|
5300 | procname (pointer x) |
|
|
5301 | { |
|
|
5302 | return opname (procnum (x)); |
|
|
5303 | } |
5504 | |
5304 | |
5505 | typedef struct |
5305 | typedef struct |
5506 | { |
5306 | { |
5507 | dispatch_func func; |
5307 | uint8_t func; |
5508 | char *name; |
5308 | /*dispatch_func func;*//*TODO: maybe optionally keep the pointer, for speed? */ |
|
|
5309 | uint8_t builtin; |
|
|
5310 | #if USE_ERROR_CHECKING |
5509 | int min_arity; |
5311 | uint8_t min_arity; |
5510 | int max_arity; |
5312 | uint8_t max_arity; |
5511 | char *arg_tests_encoding; |
5313 | char arg_tests_encoding[3]; |
|
|
5314 | #endif |
5512 | } op_code_info; |
5315 | } op_code_info; |
5513 | |
5316 | |
5514 | #define INF_ARG 0xffff |
|
|
5515 | |
|
|
5516 | static op_code_info dispatch_table[] = { |
5317 | static const op_code_info dispatch_table[] = { |
5517 | #define OP_DEF(A,B,C,D,E,OP) {A,B,C,D,E}, |
5318 | #if USE_ERROR_CHECKING |
|
|
5319 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) { func, sizeof (name) > 1, minarity, maxarity, argtest }, |
|
|
5320 | #else |
|
|
5321 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) { func, sizeof (name) > 1 }, |
|
|
5322 | #endif |
5518 | #include "opdefines.h" |
5323 | #include "opdefines.h" |
|
|
5324 | #undef OP_DEF |
5519 | {0} |
5325 | {0} |
5520 | }; |
5326 | }; |
5521 | |
5327 | |
5522 | static const char * |
|
|
5523 | procname (pointer x) |
|
|
5524 | { |
|
|
5525 | int n = procnum (x); |
|
|
5526 | const char *name = dispatch_table[n].name; |
|
|
5527 | |
|
|
5528 | if (name == 0) |
|
|
5529 | name = "ILLEGAL!"; |
|
|
5530 | |
|
|
5531 | return name; |
|
|
5532 | } |
|
|
5533 | |
|
|
5534 | /* kernel of this interpreter */ |
5328 | /* kernel of this interpreter */ |
5535 | static void |
5329 | static void ecb_hot |
5536 | Eval_Cycle (SCHEME_P_ enum scheme_opcodes op) |
5330 | Eval_Cycle (SCHEME_P_ enum scheme_opcodes op) |
5537 | { |
5331 | { |
5538 | SCHEME_V->op = op; |
5332 | SCHEME_V->op = op; |
5539 | |
5333 | |
5540 | for (;;) |
5334 | for (;;) |
5541 | { |
5335 | { |
5542 | op_code_info *pcd = dispatch_table + SCHEME_V->op; |
5336 | const op_code_info *pcd = dispatch_table + SCHEME_V->op; |
5543 | |
5337 | |
5544 | #if USE_ERROR_CHECKING |
5338 | #if USE_ERROR_CHECKING |
5545 | if (pcd->name) /* if built-in function, check arguments */ |
5339 | if (pcd->builtin) /* if built-in function, check arguments */ |
5546 | { |
5340 | { |
5547 | int ok = 1; |
|
|
5548 | char msg[STRBUFFSIZE]; |
5341 | char msg[STRBUFFSIZE]; |
5549 | int n = list_length (SCHEME_A_ SCHEME_V->args); |
5342 | int n = list_length (SCHEME_A_ SCHEME_V->args); |
5550 | |
5343 | |
5551 | /* Check number of arguments */ |
5344 | /* Check number of arguments */ |
5552 | if (ecb_expect_false (n < pcd->min_arity)) |
5345 | if (ecb_expect_false (n < pcd->min_arity)) |
5553 | { |
5346 | { |
5554 | ok = 0; |
|
|
5555 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5347 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5556 | pcd->name, pcd->min_arity == pcd->max_arity ? "" : " at least", pcd->min_arity); |
5348 | opname (SCHEME_V->op), pcd->min_arity == pcd->max_arity ? "" : " at least", pcd->min_arity); |
|
|
5349 | xError_1 (SCHEME_A_ msg, 0); |
|
|
5350 | continue; |
5557 | } |
5351 | } |
5558 | else if (ecb_excpect_false (n > pcd->max_arity)) |
5352 | else if (ecb_expect_false (n > pcd->max_arity && pcd->max_arity != INF_ARG)) |
5559 | { |
5353 | { |
5560 | ok = 0; |
|
|
5561 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5354 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5562 | pcd->name, pcd->min_arity == pcd->max_arity ? "" : " at most", pcd->max_arity); |
5355 | opname (SCHEME_V->op), pcd->min_arity == pcd->max_arity ? "" : " at most", pcd->max_arity); |
|
|
5356 | xError_1 (SCHEME_A_ msg, 0); |
|
|
5357 | continue; |
5563 | } |
5358 | } |
5564 | |
5359 | else |
5565 | if (ecb_expect_false (ok)) |
|
|
5566 | { |
5360 | { |
5567 | if (pcd->arg_tests_encoding) |
5361 | if (*pcd->arg_tests_encoding) /* literal 0 and TST_NONE treated the same */ |
5568 | { |
5362 | { |
5569 | int i = 0; |
5363 | int i = 0; |
5570 | int j; |
5364 | int j; |
5571 | const char *t = pcd->arg_tests_encoding; |
5365 | const char *t = pcd->arg_tests_encoding; |
5572 | pointer arglist = SCHEME_V->args; |
5366 | pointer arglist = SCHEME_V->args; |
5573 | |
5367 | |
5574 | do |
5368 | do |
5575 | { |
5369 | { |
5576 | pointer arg = car (arglist); |
5370 | pointer arg = car (arglist); |
5577 | |
5371 | |
5578 | j = (int) t[0]; |
5372 | j = t[0]; |
5579 | |
5373 | |
|
|
5374 | /*TODO: tst_is_list has different prototype - fix if other tests acquire same prototype */ |
5580 | if (j == TST_LIST[0]) |
5375 | if (j == TST_LIST[0]) |
5581 | { |
5376 | { |
5582 | if (arg != NIL && !is_pair (arg)) |
5377 | if (!tst_is_list (SCHEME_A_ arg)) |
5583 | break; |
5378 | break; |
5584 | } |
5379 | } |
5585 | else |
5380 | else |
5586 | { |
5381 | { |
5587 | if (!tests[j].fct (arg)) |
5382 | if (!tests[j - 1].fct (arg)) |
5588 | break; |
5383 | break; |
5589 | } |
5384 | } |
5590 | |
5385 | |
5591 | if (t[1] != 0) /* last test is replicated as necessary */ |
5386 | if (t < pcd->arg_tests_encoding + sizeof (pcd->arg_tests_encoding) - 1 && t[1]) /* last test is replicated as necessary */ |
5592 | t++; |
5387 | t++; |
5593 | |
5388 | |
5594 | arglist = cdr (arglist); |
5389 | arglist = cdr (arglist); |
5595 | i++; |
5390 | i++; |
5596 | } |
5391 | } |
5597 | while (i < n); |
5392 | while (i < n); |
5598 | |
5393 | |
5599 | if (i < n) |
5394 | if (i < n) |
5600 | { |
5395 | { |
5601 | ok = 0; |
|
|
5602 | snprintf (msg, STRBUFFSIZE, "%s: argument %d must be: %s", pcd->name, i + 1, tests[j].kind); |
5396 | snprintf (msg, STRBUFFSIZE, "%s: argument %d must be: %s", opname (SCHEME_V->op), i + 1, tests[j].kind); |
|
|
5397 | xError_1 (SCHEME_A_ msg, 0); |
|
|
5398 | continue; |
5603 | } |
5399 | } |
5604 | } |
5400 | } |
5605 | } |
5401 | } |
5606 | |
|
|
5607 | if (!ok) |
|
|
5608 | { |
|
|
5609 | if (xError_1 (SCHEME_A_ msg, 0) == NIL) |
|
|
5610 | return; |
|
|
5611 | |
|
|
5612 | pcd = dispatch_table + SCHEME_V->op; |
|
|
5613 | } |
|
|
5614 | } |
5402 | } |
5615 | #endif |
5403 | #endif |
5616 | |
5404 | |
5617 | ok_to_freely_gc (SCHEME_A); |
5405 | ok_to_freely_gc (SCHEME_A); |
5618 | |
5406 | |
|
|
5407 | static const dispatch_func dispatch_funcs[] = { |
|
|
5408 | opexe_0, |
|
|
5409 | opexe_1, |
|
|
5410 | opexe_2, |
|
|
5411 | opexe_3, |
|
|
5412 | opexe_4, |
|
|
5413 | opexe_5, |
|
|
5414 | opexe_6, |
|
|
5415 | }; |
|
|
5416 | |
5619 | if (ecb_expect_false (pcd->func (SCHEME_A_ SCHEME_V->op) == NIL)) |
5417 | if (ecb_expect_false (dispatch_funcs [pcd->func] (SCHEME_A_ SCHEME_V->op) != 0)) |
5620 | return; |
5418 | return; |
5621 | |
5419 | |
5622 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
5420 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
5623 | { |
5421 | { |
5624 | xwrstr ("No memory!\n"); |
5422 | xwrstr ("No memory!\n"); |
… | |
… | |
5648 | mk_proc (SCHEME_P_ enum scheme_opcodes op) |
5446 | mk_proc (SCHEME_P_ enum scheme_opcodes op) |
5649 | { |
5447 | { |
5650 | pointer y = get_cell (SCHEME_A_ NIL, NIL); |
5448 | pointer y = get_cell (SCHEME_A_ NIL, NIL); |
5651 | set_typeflag (y, (T_PROC | T_ATOM)); |
5449 | set_typeflag (y, (T_PROC | T_ATOM)); |
5652 | ivalue_unchecked (y) = op; |
5450 | ivalue_unchecked (y) = op; |
5653 | set_num_integer (y); |
|
|
5654 | return y; |
5451 | return y; |
5655 | } |
5452 | } |
5656 | |
5453 | |
5657 | /* Hard-coded for the given keywords. Remember to rewrite if more are added! */ |
5454 | /* Hard-coded for the given keywords. Remember to rewrite if more are added! */ |
5658 | static int |
5455 | static int |
… | |
… | |
5723 | return OP_C0STREAM; /* cons-stream */ |
5520 | return OP_C0STREAM; /* cons-stream */ |
5724 | } |
5521 | } |
5725 | } |
5522 | } |
5726 | |
5523 | |
5727 | #if USE_MULTIPLICITY |
5524 | #if USE_MULTIPLICITY |
5728 | scheme * |
5525 | ecb_cold scheme * |
5729 | scheme_init_new () |
5526 | scheme_init_new () |
5730 | { |
5527 | { |
5731 | scheme *sc = malloc (sizeof (scheme)); |
5528 | scheme *sc = malloc (sizeof (scheme)); |
5732 | |
5529 | |
5733 | if (!scheme_init (SCHEME_A)) |
5530 | if (!scheme_init (SCHEME_A)) |
… | |
… | |
5738 | else |
5535 | else |
5739 | return sc; |
5536 | return sc; |
5740 | } |
5537 | } |
5741 | #endif |
5538 | #endif |
5742 | |
5539 | |
5743 | int |
5540 | ecb_cold int |
5744 | scheme_init (SCHEME_P) |
5541 | scheme_init (SCHEME_P) |
5745 | { |
5542 | { |
5746 | int i, n = sizeof (dispatch_table) / sizeof (dispatch_table[0]); |
5543 | int i, n = sizeof (dispatch_table) / sizeof (dispatch_table[0]); |
5747 | pointer x; |
5544 | pointer x; |
5748 | |
5545 | |
… | |
… | |
5821 | |
5618 | |
5822 | for (i = 0; i < sizeof (syntax_names) / sizeof (*syntax_names); ++i) |
5619 | for (i = 0; i < sizeof (syntax_names) / sizeof (*syntax_names); ++i) |
5823 | assign_syntax (SCHEME_A_ syntax_names[i]); |
5620 | assign_syntax (SCHEME_A_ syntax_names[i]); |
5824 | } |
5621 | } |
5825 | |
5622 | |
|
|
5623 | // TODO: should iterate via strlen, to avoid n² complexity |
5826 | for (i = 0; i < n; i++) |
5624 | for (i = 0; i < n; i++) |
5827 | if (dispatch_table[i].name != 0) |
5625 | if (dispatch_table[i].builtin) |
5828 | assign_proc (SCHEME_A_ i, dispatch_table[i].name); |
5626 | assign_proc (SCHEME_A_ i, opname (i)); |
5829 | |
5627 | |
5830 | /* initialization of global pointers to special symbols */ |
5628 | /* initialization of global pointers to special symbols */ |
5831 | SCHEME_V->LAMBDA = mk_symbol (SCHEME_A_ "lambda"); |
5629 | SCHEME_V->LAMBDA = mk_symbol (SCHEME_A_ "lambda"); |
5832 | SCHEME_V->QUOTE = mk_symbol (SCHEME_A_ "quote"); |
5630 | SCHEME_V->QUOTE = mk_symbol (SCHEME_A_ "quote"); |
5833 | SCHEME_V->QQUOTE = mk_symbol (SCHEME_A_ "quasiquote"); |
5631 | SCHEME_V->QQUOTE = mk_symbol (SCHEME_A_ "quasiquote"); |
… | |
… | |
5872 | scheme_set_external_data (SCHEME_P_ void *p) |
5670 | scheme_set_external_data (SCHEME_P_ void *p) |
5873 | { |
5671 | { |
5874 | SCHEME_V->ext_data = p; |
5672 | SCHEME_V->ext_data = p; |
5875 | } |
5673 | } |
5876 | |
5674 | |
5877 | void |
5675 | ecb_cold void |
5878 | scheme_deinit (SCHEME_P) |
5676 | scheme_deinit (SCHEME_P) |
5879 | { |
5677 | { |
5880 | int i; |
5678 | int i; |
5881 | |
5679 | |
5882 | #if SHOW_ERROR_LINE |
5680 | #if SHOW_ERROR_LINE |
… | |
… | |
5974 | { |
5772 | { |
5975 | dump_stack_reset (SCHEME_A); |
5773 | dump_stack_reset (SCHEME_A); |
5976 | SCHEME_V->envir = SCHEME_V->global_env; |
5774 | SCHEME_V->envir = SCHEME_V->global_env; |
5977 | SCHEME_V->file_i = 0; |
5775 | SCHEME_V->file_i = 0; |
5978 | SCHEME_V->load_stack[0].kind = port_input | port_string; |
5776 | SCHEME_V->load_stack[0].kind = port_input | port_string; |
5979 | SCHEME_V->load_stack[0].rep.string.start = (char *) cmd; /* This func respects const */ |
5777 | SCHEME_V->load_stack[0].rep.string.start = (char *)cmd; /* This func respects const */ |
5980 | SCHEME_V->load_stack[0].rep.string.past_the_end = (char *) cmd + strlen (cmd); |
5778 | SCHEME_V->load_stack[0].rep.string.past_the_end = (char *)cmd + strlen (cmd); |
5981 | SCHEME_V->load_stack[0].rep.string.curr = (char *) cmd; |
5779 | SCHEME_V->load_stack[0].rep.string.curr = (char *)cmd; |
5982 | #if USE_PORTS |
5780 | #if USE_PORTS |
5983 | SCHEME_V->loadport = mk_port (SCHEME_A_ SCHEME_V->load_stack); |
5781 | SCHEME_V->loadport = mk_port (SCHEME_A_ SCHEME_V->load_stack); |
5984 | #endif |
5782 | #endif |
5985 | SCHEME_V->retcode = 0; |
5783 | SCHEME_V->retcode = 0; |
5986 | SCHEME_V->interactive_repl = 0; |
5784 | SCHEME_V->interactive_repl = 0; |