… | |
… | |
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, |
… | |
… | |
57 | TOK_SHARP_CONST, |
74 | TOK_SHARP_CONST, |
58 | TOK_VEC |
75 | TOK_VEC |
59 | }; |
76 | }; |
60 | |
77 | |
61 | #define BACKQUOTE '`' |
78 | #define BACKQUOTE '`' |
62 | #define DELIMITERS "()\";\f\t\v\n\r " |
79 | #define WHITESPACE " \t\r\n\v\f" |
|
|
80 | #define DELIMITERS "()\";" WHITESPACE |
63 | |
81 | |
64 | #define NIL (&SCHEME_V->xNIL) //TODO: make this 0? |
82 | #define NIL (&SCHEME_V->xNIL) //TODO: make this 0? |
65 | #define S_T (&SCHEME_V->xT) //TODO: magic ptr value? |
83 | #define S_T (&SCHEME_V->xT) //TODO: magic ptr value? |
66 | #define S_F (&SCHEME_V->xF) //TODO: magic ptr value? |
84 | #define S_F (&SCHEME_V->xF) //TODO: magic ptr value? |
67 | #define S_SINK (&SCHEME_V->xsink) |
85 | #define S_SINK (&SCHEME_V->xsink) |
68 | #define S_EOF (&SCHEME_V->xEOF_OBJ) |
86 | #define S_EOF (&SCHEME_V->xEOF_OBJ) |
69 | |
87 | |
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 | #else |
|
|
76 | # define ecb_expect_false(expr) !!(expr) |
|
|
77 | # define ecb_expect_true(expr) !!(expr) |
|
|
78 | #endif |
|
|
79 | |
|
|
80 | #if !USE_MULTIPLICITY |
88 | #if !USE_MULTIPLICITY |
81 | static scheme sc; |
89 | static scheme sc; |
82 | #endif |
90 | #endif |
83 | |
91 | |
84 | static void |
92 | static void |
… | |
… | |
153 | |
161 | |
154 | #define toupper(c) xtoupper (c) |
162 | #define toupper(c) xtoupper (c) |
155 | #define tolower(c) xtolower (c) |
163 | #define tolower(c) xtolower (c) |
156 | #define isdigit(c) xisdigit (c) |
164 | #define isdigit(c) xisdigit (c) |
157 | |
165 | |
158 | #if USE_STRLWR |
166 | #if USE_IGNORECASE |
159 | static const char * |
167 | static const char * |
160 | strlwr (char *s) |
168 | xstrlwr (char *s) |
161 | { |
169 | { |
162 | const char *p = s; |
170 | const char *p = s; |
163 | |
171 | |
164 | while (*s) |
172 | while (*s) |
165 | { |
173 | { |
… | |
… | |
167 | s++; |
175 | s++; |
168 | } |
176 | } |
169 | |
177 | |
170 | return p; |
178 | return p; |
171 | } |
179 | } |
172 | #endif |
|
|
173 | |
180 | |
|
|
181 | #define stricmp(a,b) strcasecmp (a, b) |
|
|
182 | #define strlwr(s) xstrlwr (s) |
|
|
183 | |
|
|
184 | #else |
174 | #define stricmp(a,b) strcmp (a, b) |
185 | # define stricmp(a,b) strcmp (a, b) |
175 | #define strlwr(s) (s) |
186 | # define strlwr(s) (s) |
|
|
187 | #endif |
176 | |
188 | |
177 | #ifndef prompt |
189 | #ifndef prompt |
178 | # define prompt "ts> " |
190 | # define prompt "ts> " |
179 | #endif |
191 | #endif |
180 | |
192 | |
… | |
… | |
186 | # define FIRST_CELLSEGS 3 |
198 | # define FIRST_CELLSEGS 3 |
187 | #endif |
199 | #endif |
188 | |
200 | |
189 | enum scheme_types |
201 | enum scheme_types |
190 | { |
202 | { |
|
|
203 | T_INTEGER, |
191 | T_FREE, |
204 | T_REAL, |
192 | T_STRING, |
205 | T_STRING, |
193 | T_NUMBER, |
|
|
194 | T_SYMBOL, |
206 | T_SYMBOL, |
195 | T_PROC, |
207 | T_PROC, |
196 | T_PAIR, |
208 | T_PAIR, /* also used for free cells */ |
197 | T_CLOSURE, |
209 | T_CLOSURE, |
198 | T_CONTINUATION, |
210 | T_CONTINUATION, |
199 | T_FOREIGN, |
211 | T_FOREIGN, |
200 | T_CHARACTER, |
212 | T_CHARACTER, |
201 | T_PORT, |
213 | T_PORT, |
… | |
… | |
211 | #define T_SYNTAX 0x0010 |
223 | #define T_SYNTAX 0x0010 |
212 | #define T_IMMUTABLE 0x0020 |
224 | #define T_IMMUTABLE 0x0020 |
213 | #define T_ATOM 0x0040 /* only for gc */ |
225 | #define T_ATOM 0x0040 /* only for gc */ |
214 | #define T_MARK 0x0080 /* only for gc */ |
226 | #define T_MARK 0x0080 /* only for gc */ |
215 | |
227 | |
|
|
228 | /* num, for generic arithmetic */ |
|
|
229 | struct num |
|
|
230 | { |
|
|
231 | IVALUE ivalue; |
|
|
232 | #if USE_REAL |
|
|
233 | RVALUE rvalue; |
|
|
234 | char is_fixnum; |
|
|
235 | #endif |
|
|
236 | }; |
|
|
237 | |
|
|
238 | #if USE_REAL |
|
|
239 | # define num_is_fixnum(n) (n).is_fixnum |
|
|
240 | # define num_set_fixnum(n,f) (n).is_fixnum = (f) |
|
|
241 | # define num_ivalue(n) (n).ivalue |
|
|
242 | # define num_rvalue(n) (n).rvalue |
|
|
243 | # define num_set_ivalue(n,i) (n).rvalue = (n).ivalue = (i) |
|
|
244 | # define num_set_rvalue(n,r) (n).rvalue = (r) |
|
|
245 | #else |
|
|
246 | # define num_is_fixnum(n) 1 |
|
|
247 | # define num_set_fixnum(n,f) 0 |
|
|
248 | # define num_ivalue(n) (n).ivalue |
|
|
249 | # define num_rvalue(n) (n).ivalue |
|
|
250 | # define num_set_ivalue(n,i) (n).ivalue = (i) |
|
|
251 | # define num_set_rvalue(n,r) (n).ivalue = (r) |
|
|
252 | #endif |
|
|
253 | |
216 | enum num_op { NUM_ADD, NUM_SUB, NUM_MUL, NUM_INTDIV }; |
254 | enum num_op { NUM_ADD, NUM_SUB, NUM_MUL, NUM_INTDIV }; |
217 | |
255 | |
218 | static num num_op (enum num_op op, num a, num b); |
256 | static num num_op (enum num_op op, num a, num b); |
219 | static num num_intdiv (num a, num b); |
257 | static num num_intdiv (num a, num b); |
220 | static num num_rem (num a, num b); |
258 | static num num_rem (num a, num b); |
… | |
… | |
223 | #if USE_MATH |
261 | #if USE_MATH |
224 | static double round_per_R5RS (double x); |
262 | static double round_per_R5RS (double x); |
225 | #endif |
263 | #endif |
226 | static int is_zero_rvalue (RVALUE x); |
264 | static int is_zero_rvalue (RVALUE x); |
227 | |
265 | |
228 | static INLINE int |
|
|
229 | num_is_integer (pointer p) |
|
|
230 | { |
|
|
231 | return num_is_fixnum (p->object.number); |
|
|
232 | } |
|
|
233 | |
|
|
234 | static num num_zero; |
266 | static num num_zero; |
235 | static num num_one; |
267 | static num num_one; |
236 | |
268 | |
237 | /* macros for cell operations */ |
269 | /* macros for cell operations */ |
238 | #define typeflag(p) ((p)->flag + 0) |
270 | #define typeflag(p) ((p)->flag + 0) |
239 | #define set_typeflag(p,v) ((p)->flag = (v)) |
271 | #define set_typeflag(p,v) ((p)->flag = (v)) |
240 | #define type(p) (typeflag (p) & T_MASKTYPE) |
272 | #define type(p) (typeflag (p) & T_MASKTYPE) |
241 | |
273 | |
242 | INTERFACE INLINE int |
274 | INTERFACE int |
243 | is_string (pointer p) |
275 | is_string (pointer p) |
244 | { |
276 | { |
245 | return type (p) == T_STRING; |
277 | return type (p) == T_STRING; |
246 | } |
278 | } |
247 | |
279 | |
248 | #define strvalue(p) ((p)->object.string.svalue) |
280 | #define strvalue(p) ((p)->object.string.svalue) |
249 | #define strlength(p) ((p)->object.string.length) |
281 | #define strlength(p) ((p)->object.string.length) |
250 | |
282 | |
251 | INTERFACE int is_list (SCHEME_P_ pointer p); |
|
|
252 | INTERFACE INLINE int |
283 | INTERFACE int |
253 | is_vector (pointer p) |
284 | is_vector (pointer p) |
254 | { |
285 | { |
255 | return type (p) == T_VECTOR; |
286 | return type (p) == T_VECTOR; |
256 | } |
287 | } |
257 | |
288 | |
258 | #define vecvalue(p) ((p)->object.vector.vvalue) |
289 | #define vecvalue(p) ((p)->object.vector.vvalue) |
259 | #define veclength(p) ((p)->object.vector.length) |
290 | #define veclength(p) ((p)->object.vector.length) |
260 | INTERFACE void fill_vector (pointer vec, pointer obj); |
291 | INTERFACE void fill_vector (pointer vec, uint32_t start, pointer obj); |
261 | INTERFACE uint32_t vector_length (pointer vec); |
|
|
262 | INTERFACE pointer vector_elem (pointer vec, uint32_t ielem); |
292 | INTERFACE pointer vector_get (pointer vec, uint32_t ielem); |
263 | INTERFACE void set_vector_elem (pointer vec, uint32_t ielem, pointer a); |
293 | INTERFACE void vector_set (pointer vec, uint32_t ielem, pointer a); |
264 | |
294 | |
265 | INTERFACE uint32_t |
295 | INTERFACE int |
266 | vector_length (pointer vec) |
296 | is_integer (pointer p) |
267 | { |
297 | { |
268 | return vec->object.vector.length; |
298 | return type (p) == T_INTEGER; |
269 | } |
299 | } |
270 | |
300 | |
|
|
301 | /* not the same as in scheme, where integers are (correctly :) reals */ |
271 | INTERFACE INLINE int |
302 | INTERFACE int |
|
|
303 | is_real (pointer p) |
|
|
304 | { |
|
|
305 | return type (p) == T_REAL; |
|
|
306 | } |
|
|
307 | |
|
|
308 | INTERFACE int |
272 | is_number (pointer p) |
309 | is_number (pointer p) |
273 | { |
310 | { |
274 | return type (p) == T_NUMBER; |
311 | return is_integer (p) || is_real (p); |
275 | } |
312 | } |
276 | |
313 | |
277 | INTERFACE INLINE int |
314 | INTERFACE int |
278 | is_integer (pointer p) |
|
|
279 | { |
|
|
280 | if (!is_number (p)) |
|
|
281 | return 0; |
|
|
282 | |
|
|
283 | if (num_is_integer (p) || ivalue (p) == rvalue (p)) |
|
|
284 | return 1; |
|
|
285 | |
|
|
286 | return 0; |
|
|
287 | } |
|
|
288 | |
|
|
289 | INTERFACE INLINE int |
|
|
290 | is_real (pointer p) |
|
|
291 | { |
|
|
292 | return is_number (p) && !num_is_fixnum (p->object.number); |
|
|
293 | } |
|
|
294 | |
|
|
295 | INTERFACE INLINE int |
|
|
296 | is_character (pointer p) |
315 | is_character (pointer p) |
297 | { |
316 | { |
298 | return type (p) == T_CHARACTER; |
317 | return type (p) == T_CHARACTER; |
299 | } |
318 | } |
300 | |
319 | |
301 | INTERFACE INLINE char * |
320 | INTERFACE char * |
302 | string_value (pointer p) |
321 | string_value (pointer p) |
303 | { |
322 | { |
304 | return strvalue (p); |
323 | return strvalue (p); |
305 | } |
324 | } |
306 | |
325 | |
307 | INLINE num |
|
|
308 | nvalue (pointer p) |
|
|
309 | { |
|
|
310 | return (p)->object.number; |
|
|
311 | } |
|
|
312 | |
|
|
313 | static IVALUE |
|
|
314 | num_get_ivalue (const num n) |
|
|
315 | { |
|
|
316 | return num_is_fixnum (n) ? num_ivalue (n) : (IVALUE)num_rvalue (n); |
|
|
317 | } |
|
|
318 | |
|
|
319 | static RVALUE |
|
|
320 | num_get_rvalue (const num n) |
|
|
321 | { |
|
|
322 | return num_is_fixnum (n) ? (RVALUE)num_ivalue (n) : num_rvalue (n); |
|
|
323 | } |
|
|
324 | |
|
|
325 | INTERFACE IVALUE |
|
|
326 | ivalue (pointer p) |
|
|
327 | { |
|
|
328 | return num_get_ivalue (p->object.number); |
|
|
329 | } |
|
|
330 | |
|
|
331 | INTERFACE RVALUE |
|
|
332 | rvalue (pointer p) |
|
|
333 | { |
|
|
334 | return num_get_rvalue (p->object.number); |
|
|
335 | } |
|
|
336 | |
|
|
337 | #define ivalue_unchecked(p) ((p)->object.number.value.ivalue) |
326 | #define ivalue_unchecked(p) (p)->object.ivalue |
|
|
327 | #define set_ivalue(p,v) (p)->object.ivalue = (v) |
|
|
328 | |
338 | #if USE_REAL |
329 | #if USE_REAL |
339 | # define rvalue_unchecked(p) ((p)->object.number.value.rvalue) |
330 | #define rvalue_unchecked(p) (p)->object.rvalue |
340 | # define set_num_integer(p) (p)->object.number.is_fixnum=1; |
331 | #define set_rvalue(p,v) (p)->object.rvalue = (v) |
341 | # define set_num_real(p) (p)->object.number.is_fixnum=0; |
|
|
342 | #else |
332 | #else |
343 | # define rvalue_unchecked(p) ((p)->object.number.value.ivalue) |
333 | #define rvalue_unchecked(p) (p)->object.ivalue |
344 | # define set_num_integer(p) 0 |
334 | #define set_rvalue(p,v) (p)->object.ivalue = (v) |
345 | # define set_num_real(p) 0 |
|
|
346 | #endif |
335 | #endif |
|
|
336 | |
347 | INTERFACE long |
337 | INTERFACE long |
348 | charvalue (pointer p) |
338 | charvalue (pointer p) |
349 | { |
339 | { |
350 | return ivalue_unchecked (p); |
340 | return ivalue_unchecked (p); |
351 | } |
341 | } |
352 | |
342 | |
353 | INTERFACE INLINE int |
343 | INTERFACE int |
354 | is_port (pointer p) |
344 | is_port (pointer p) |
355 | { |
345 | { |
356 | return type (p) == T_PORT; |
346 | return type (p) == T_PORT; |
357 | } |
347 | } |
358 | |
348 | |
359 | INTERFACE INLINE int |
349 | INTERFACE int |
360 | is_inport (pointer p) |
350 | is_inport (pointer p) |
361 | { |
351 | { |
362 | return is_port (p) && p->object.port->kind & port_input; |
352 | return is_port (p) && p->object.port->kind & port_input; |
363 | } |
353 | } |
364 | |
354 | |
365 | INTERFACE INLINE int |
355 | INTERFACE int |
366 | is_outport (pointer p) |
356 | is_outport (pointer p) |
367 | { |
357 | { |
368 | return is_port (p) && p->object.port->kind & port_output; |
358 | return is_port (p) && p->object.port->kind & port_output; |
369 | } |
359 | } |
370 | |
360 | |
371 | INTERFACE INLINE int |
361 | INTERFACE int |
372 | is_pair (pointer p) |
362 | is_pair (pointer p) |
373 | { |
363 | { |
374 | return type (p) == T_PAIR; |
364 | return type (p) == T_PAIR; |
375 | } |
365 | } |
376 | |
366 | |
… | |
… | |
408 | pair_cdr (pointer p) |
398 | pair_cdr (pointer p) |
409 | { |
399 | { |
410 | return cdr (p); |
400 | return cdr (p); |
411 | } |
401 | } |
412 | |
402 | |
413 | INTERFACE INLINE int |
403 | INTERFACE int |
414 | is_symbol (pointer p) |
404 | is_symbol (pointer p) |
415 | { |
405 | { |
416 | return type (p) == T_SYMBOL; |
406 | return type (p) == T_SYMBOL; |
417 | } |
407 | } |
418 | |
408 | |
419 | INTERFACE INLINE char * |
409 | INTERFACE char * |
420 | symname (pointer p) |
410 | symname (pointer p) |
421 | { |
411 | { |
422 | return strvalue (car (p)); |
412 | return strvalue (p); |
423 | } |
413 | } |
424 | |
414 | |
425 | #if USE_PLIST |
415 | #if USE_PLIST |
426 | SCHEME_EXPORT INLINE int |
416 | SCHEME_EXPORT int |
427 | hasprop (pointer p) |
417 | hasprop (pointer p) |
428 | { |
418 | { |
429 | return typeflag (p) & T_SYMBOL; |
419 | return typeflag (p) & T_SYMBOL; |
430 | } |
420 | } |
431 | |
421 | |
432 | # define symprop(p) cdr(p) |
422 | # define symprop(p) cdr(p) |
433 | #endif |
423 | #endif |
434 | |
424 | |
435 | INTERFACE INLINE int |
425 | INTERFACE int |
436 | is_syntax (pointer p) |
426 | is_syntax (pointer p) |
437 | { |
427 | { |
438 | return typeflag (p) & T_SYNTAX; |
428 | return typeflag (p) & T_SYNTAX; |
439 | } |
429 | } |
440 | |
430 | |
441 | INTERFACE INLINE int |
431 | INTERFACE int |
442 | is_proc (pointer p) |
432 | is_proc (pointer p) |
443 | { |
433 | { |
444 | return type (p) == T_PROC; |
434 | return type (p) == T_PROC; |
445 | } |
435 | } |
446 | |
436 | |
447 | INTERFACE INLINE int |
437 | INTERFACE int |
448 | is_foreign (pointer p) |
438 | is_foreign (pointer p) |
449 | { |
439 | { |
450 | return type (p) == T_FOREIGN; |
440 | return type (p) == T_FOREIGN; |
451 | } |
441 | } |
452 | |
442 | |
453 | INTERFACE INLINE char * |
443 | INTERFACE char * |
454 | syntaxname (pointer p) |
444 | syntaxname (pointer p) |
455 | { |
445 | { |
456 | return strvalue (car (p)); |
446 | return strvalue (p); |
457 | } |
447 | } |
458 | |
448 | |
459 | #define procnum(p) ivalue (p) |
449 | #define procnum(p) ivalue_unchecked (p) |
460 | static const char *procname (pointer x); |
450 | static const char *procname (pointer x); |
461 | |
451 | |
462 | INTERFACE INLINE int |
452 | INTERFACE int |
463 | is_closure (pointer p) |
453 | is_closure (pointer p) |
464 | { |
454 | { |
465 | return type (p) == T_CLOSURE; |
455 | return type (p) == T_CLOSURE; |
466 | } |
456 | } |
467 | |
457 | |
468 | INTERFACE INLINE int |
458 | INTERFACE int |
469 | is_macro (pointer p) |
459 | is_macro (pointer p) |
470 | { |
460 | { |
471 | return type (p) == T_MACRO; |
461 | return type (p) == T_MACRO; |
472 | } |
462 | } |
473 | |
463 | |
474 | INTERFACE INLINE pointer |
464 | INTERFACE pointer |
475 | closure_code (pointer p) |
465 | closure_code (pointer p) |
476 | { |
466 | { |
477 | return car (p); |
467 | return car (p); |
478 | } |
468 | } |
479 | |
469 | |
480 | INTERFACE INLINE pointer |
470 | INTERFACE pointer |
481 | closure_env (pointer p) |
471 | closure_env (pointer p) |
482 | { |
472 | { |
483 | return cdr (p); |
473 | return cdr (p); |
484 | } |
474 | } |
485 | |
475 | |
486 | INTERFACE INLINE int |
476 | INTERFACE int |
487 | is_continuation (pointer p) |
477 | is_continuation (pointer p) |
488 | { |
478 | { |
489 | return type (p) == T_CONTINUATION; |
479 | return type (p) == T_CONTINUATION; |
490 | } |
480 | } |
491 | |
481 | |
492 | #define cont_dump(p) cdr (p) |
482 | #define cont_dump(p) cdr (p) |
493 | #define set_cont_dump(p,v) set_cdr ((p), (v)) |
483 | #define set_cont_dump(p,v) set_cdr ((p), (v)) |
494 | |
484 | |
495 | /* To do: promise should be forced ONCE only */ |
485 | /* To do: promise should be forced ONCE only */ |
496 | INTERFACE INLINE int |
486 | INTERFACE int |
497 | is_promise (pointer p) |
487 | is_promise (pointer p) |
498 | { |
488 | { |
499 | return type (p) == T_PROMISE; |
489 | return type (p) == T_PROMISE; |
500 | } |
490 | } |
501 | |
491 | |
502 | INTERFACE INLINE int |
492 | INTERFACE int |
503 | is_environment (pointer p) |
493 | is_environment (pointer p) |
504 | { |
494 | { |
505 | return type (p) == T_ENVIRONMENT; |
495 | return type (p) == T_ENVIRONMENT; |
506 | } |
496 | } |
507 | |
497 | |
… | |
… | |
513 | |
503 | |
514 | #define is_mark(p) (typeflag (p) & T_MARK) |
504 | #define is_mark(p) (typeflag (p) & T_MARK) |
515 | #define setmark(p) set_typeflag ((p), typeflag (p) | T_MARK) |
505 | #define setmark(p) set_typeflag ((p), typeflag (p) | T_MARK) |
516 | #define clrmark(p) set_typeflag ((p), typeflag (p) & ~T_MARK) |
506 | #define clrmark(p) set_typeflag ((p), typeflag (p) & ~T_MARK) |
517 | |
507 | |
518 | INTERFACE INLINE int |
508 | INTERFACE int |
519 | is_immutable (pointer p) |
509 | is_immutable (pointer p) |
520 | { |
510 | { |
521 | return typeflag (p) & T_IMMUTABLE && USE_ERROR_CHECKING; |
511 | return typeflag (p) & T_IMMUTABLE && USE_ERROR_CHECKING; |
522 | } |
512 | } |
523 | |
513 | |
524 | INTERFACE INLINE void |
514 | INTERFACE void |
525 | setimmutable (pointer p) |
515 | setimmutable (pointer p) |
526 | { |
516 | { |
527 | #if USE_ERROR_CHECKING |
517 | #if USE_ERROR_CHECKING |
528 | set_typeflag (p, typeflag (p) | T_IMMUTABLE); |
518 | set_typeflag (p, typeflag (p) | T_IMMUTABLE); |
529 | #endif |
519 | #endif |
530 | } |
520 | } |
531 | |
521 | |
|
|
522 | /* Result is: |
|
|
523 | proper list: length |
|
|
524 | circular list: -1 |
|
|
525 | not even a pair: -2 |
|
|
526 | dotted list: -2 minus length before dot |
|
|
527 | */ |
|
|
528 | INTERFACE int |
|
|
529 | list_length (SCHEME_P_ pointer a) |
|
|
530 | { |
|
|
531 | int i = 0; |
|
|
532 | pointer slow, fast; |
|
|
533 | |
|
|
534 | slow = fast = a; |
|
|
535 | |
|
|
536 | while (1) |
|
|
537 | { |
|
|
538 | if (fast == NIL) |
|
|
539 | return i; |
|
|
540 | |
|
|
541 | if (!is_pair (fast)) |
|
|
542 | return -2 - i; |
|
|
543 | |
|
|
544 | fast = cdr (fast); |
|
|
545 | ++i; |
|
|
546 | |
|
|
547 | if (fast == NIL) |
|
|
548 | return i; |
|
|
549 | |
|
|
550 | if (!is_pair (fast)) |
|
|
551 | return -2 - i; |
|
|
552 | |
|
|
553 | ++i; |
|
|
554 | fast = cdr (fast); |
|
|
555 | |
|
|
556 | /* Safe because we would have already returned if `fast' |
|
|
557 | encountered a non-pair. */ |
|
|
558 | slow = cdr (slow); |
|
|
559 | |
|
|
560 | if (fast == slow) |
|
|
561 | { |
|
|
562 | /* the fast pointer has looped back around and caught up |
|
|
563 | with the slow pointer, hence the structure is circular, |
|
|
564 | not of finite length, and therefore not a list */ |
|
|
565 | return -1; |
|
|
566 | } |
|
|
567 | } |
|
|
568 | } |
|
|
569 | |
|
|
570 | INTERFACE int |
|
|
571 | is_list (SCHEME_P_ pointer a) |
|
|
572 | { |
|
|
573 | return list_length (SCHEME_A_ a) >= 0; |
|
|
574 | } |
|
|
575 | |
532 | #if USE_CHAR_CLASSIFIERS |
576 | #if USE_CHAR_CLASSIFIERS |
533 | static INLINE int |
577 | ecb_inline int |
534 | Cisalpha (int c) |
578 | Cisalpha (int c) |
535 | { |
579 | { |
536 | return isascii (c) && isalpha (c); |
580 | return isascii (c) && isalpha (c); |
537 | } |
581 | } |
538 | |
582 | |
539 | static INLINE int |
583 | ecb_inline int |
540 | Cisdigit (int c) |
584 | Cisdigit (int c) |
541 | { |
585 | { |
542 | return isascii (c) && isdigit (c); |
586 | return isascii (c) && isdigit (c); |
543 | } |
587 | } |
544 | |
588 | |
545 | static INLINE int |
589 | ecb_inline int |
546 | Cisspace (int c) |
590 | Cisspace (int c) |
547 | { |
591 | { |
548 | return isascii (c) && isspace (c); |
592 | return isascii (c) && isspace (c); |
549 | } |
593 | } |
550 | |
594 | |
551 | static INLINE int |
595 | ecb_inline int |
552 | Cisupper (int c) |
596 | Cisupper (int c) |
553 | { |
597 | { |
554 | return isascii (c) && isupper (c); |
598 | return isascii (c) && isupper (c); |
555 | } |
599 | } |
556 | |
600 | |
557 | static INLINE int |
601 | ecb_inline int |
558 | Cislower (int c) |
602 | Cislower (int c) |
559 | { |
603 | { |
560 | return isascii (c) && islower (c); |
604 | return isascii (c) && islower (c); |
561 | } |
605 | } |
562 | #endif |
606 | #endif |
… | |
… | |
623 | #endif |
667 | #endif |
624 | |
668 | |
625 | static int file_push (SCHEME_P_ const char *fname); |
669 | static int file_push (SCHEME_P_ const char *fname); |
626 | static void file_pop (SCHEME_P); |
670 | static void file_pop (SCHEME_P); |
627 | static int file_interactive (SCHEME_P); |
671 | static int file_interactive (SCHEME_P); |
628 | static INLINE int is_one_of (char *s, int c); |
672 | ecb_inline int is_one_of (const char *s, int c); |
629 | static int alloc_cellseg (SCHEME_P_ int n); |
673 | static int alloc_cellseg (SCHEME_P_ int n); |
630 | static INLINE pointer get_cell (SCHEME_P_ pointer a, pointer b); |
674 | ecb_inline pointer get_cell (SCHEME_P_ pointer a, pointer b); |
631 | static void finalize_cell (SCHEME_P_ pointer a); |
675 | static void finalize_cell (SCHEME_P_ pointer a); |
632 | static int count_consecutive_cells (pointer x, int needed); |
676 | static int count_consecutive_cells (pointer x, int needed); |
633 | static pointer find_slot_in_env (SCHEME_P_ pointer env, pointer sym, int all); |
677 | static pointer find_slot_in_env (SCHEME_P_ pointer env, pointer sym, int all); |
634 | static pointer mk_number (SCHEME_P_ const num n); |
678 | static pointer mk_number (SCHEME_P_ const num n); |
635 | static char *store_string (SCHEME_P_ uint32_t len, const char *str, char fill); |
679 | static char *store_string (SCHEME_P_ uint32_t len, const char *str, char fill); |
… | |
… | |
650 | static void mark (pointer a); |
694 | static void mark (pointer a); |
651 | static void gc (SCHEME_P_ pointer a, pointer b); |
695 | static void gc (SCHEME_P_ pointer a, pointer b); |
652 | static int basic_inchar (port *pt); |
696 | static int basic_inchar (port *pt); |
653 | static int inchar (SCHEME_P); |
697 | static int inchar (SCHEME_P); |
654 | static void backchar (SCHEME_P_ int c); |
698 | static void backchar (SCHEME_P_ int c); |
655 | static char *readstr_upto (SCHEME_P_ char *delim); |
699 | static char *readstr_upto (SCHEME_P_ int skip, const char *delim); |
656 | static pointer readstrexp (SCHEME_P); |
700 | static pointer readstrexp (SCHEME_P_ char delim); |
657 | static INLINE int skipspace (SCHEME_P); |
701 | ecb_inline int skipspace (SCHEME_P); |
658 | static int token (SCHEME_P); |
702 | static int token (SCHEME_P); |
659 | static void printslashstring (SCHEME_P_ char *s, int len); |
703 | static void printslashstring (SCHEME_P_ char *s, int len); |
660 | static void atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen); |
704 | static void atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen); |
661 | static void printatom (SCHEME_P_ pointer l, int f); |
705 | static void printatom (SCHEME_P_ pointer l, int f); |
662 | static pointer mk_proc (SCHEME_P_ enum scheme_opcodes op); |
706 | static pointer mk_proc (SCHEME_P_ enum scheme_opcodes op); |
… | |
… | |
666 | static pointer reverse_in_place (SCHEME_P_ pointer term, pointer list); |
710 | static pointer reverse_in_place (SCHEME_P_ pointer term, pointer list); |
667 | static pointer revappend (SCHEME_P_ pointer a, pointer b); |
711 | static pointer revappend (SCHEME_P_ pointer a, pointer b); |
668 | static pointer ss_get_cont (SCHEME_P); |
712 | static pointer ss_get_cont (SCHEME_P); |
669 | static void ss_set_cont (SCHEME_P_ pointer cont); |
713 | static void ss_set_cont (SCHEME_P_ pointer cont); |
670 | static void dump_stack_mark (SCHEME_P); |
714 | static void dump_stack_mark (SCHEME_P); |
671 | static pointer opexe_0 (SCHEME_P_ enum scheme_opcodes op); |
715 | static int opexe_0 (SCHEME_P_ enum scheme_opcodes op); |
|
|
716 | static int opexe_1 (SCHEME_P_ enum scheme_opcodes op); |
672 | static pointer opexe_2 (SCHEME_P_ enum scheme_opcodes op); |
717 | static int opexe_2 (SCHEME_P_ enum scheme_opcodes op); |
673 | static pointer opexe_r (SCHEME_P_ enum scheme_opcodes op); |
|
|
674 | static pointer opexe_3 (SCHEME_P_ enum scheme_opcodes op); |
718 | static int opexe_3 (SCHEME_P_ enum scheme_opcodes op); |
675 | static pointer opexe_4 (SCHEME_P_ enum scheme_opcodes op); |
719 | static int opexe_4 (SCHEME_P_ enum scheme_opcodes op); |
676 | static pointer opexe_5 (SCHEME_P_ enum scheme_opcodes op); |
720 | static int opexe_5 (SCHEME_P_ enum scheme_opcodes op); |
677 | static pointer opexe_6 (SCHEME_P_ enum scheme_opcodes op); |
721 | static int opexe_6 (SCHEME_P_ enum scheme_opcodes op); |
678 | static void Eval_Cycle (SCHEME_P_ enum scheme_opcodes op); |
722 | static void Eval_Cycle (SCHEME_P_ enum scheme_opcodes op); |
679 | static void assign_syntax (SCHEME_P_ const char *name); |
723 | static void assign_syntax (SCHEME_P_ const char *name); |
680 | static int syntaxnum (pointer p); |
724 | static int syntaxnum (pointer p); |
681 | static void assign_proc (SCHEME_P_ enum scheme_opcodes, const char *name); |
725 | static void assign_proc (SCHEME_P_ enum scheme_opcodes, const char *name); |
682 | |
726 | |
|
|
727 | static IVALUE |
|
|
728 | ivalue (pointer x) |
|
|
729 | { |
|
|
730 | return is_integer (x) ? ivalue_unchecked (x) : rvalue_unchecked (x); |
|
|
731 | } |
|
|
732 | |
|
|
733 | static RVALUE |
|
|
734 | rvalue (pointer x) |
|
|
735 | { |
|
|
736 | return is_integer (x) ? ivalue_unchecked (x) : rvalue_unchecked (x); |
|
|
737 | } |
|
|
738 | |
|
|
739 | INTERFACE num |
|
|
740 | nvalue (pointer x) |
|
|
741 | { |
|
|
742 | num n; |
|
|
743 | |
|
|
744 | num_set_fixnum (n, is_integer (x)); |
|
|
745 | |
|
|
746 | if (num_is_fixnum (n)) |
|
|
747 | num_set_ivalue (n, ivalue_unchecked (x)); |
|
|
748 | else |
|
|
749 | num_set_rvalue (n, rvalue_unchecked (x)); |
|
|
750 | |
|
|
751 | return n; |
|
|
752 | } |
|
|
753 | |
683 | static num |
754 | static num |
684 | num_op (enum num_op op, num a, num b) |
755 | num_op (enum num_op op, num a, num b) |
685 | { |
756 | { |
686 | num ret; |
757 | num ret; |
687 | |
758 | |
688 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
759 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
689 | |
760 | |
690 | if (num_is_fixnum (ret)) |
761 | if (num_is_fixnum (ret)) |
691 | { |
762 | { |
692 | IVALUE av = num_get_ivalue (a); |
|
|
693 | IVALUE bv = num_get_ivalue (b); |
|
|
694 | |
|
|
695 | switch (op) |
763 | switch (op) |
696 | { |
764 | { |
697 | case NUM_ADD: av += bv; break; |
765 | case NUM_ADD: a.ivalue += b.ivalue; break; |
698 | case NUM_SUB: av -= bv; break; |
766 | case NUM_SUB: a.ivalue -= b.ivalue; break; |
699 | case NUM_MUL: av *= bv; break; |
767 | case NUM_MUL: a.ivalue *= b.ivalue; break; |
700 | case NUM_INTDIV: av /= bv; break; |
768 | case NUM_INTDIV: a.ivalue /= b.ivalue; break; |
701 | } |
769 | } |
702 | |
770 | |
703 | num_set_ivalue (ret, av); |
771 | num_set_ivalue (ret, a.ivalue); |
704 | } |
772 | } |
|
|
773 | #if USE_REAL |
705 | else |
774 | else |
706 | { |
775 | { |
707 | RVALUE av = num_get_rvalue (a); |
|
|
708 | RVALUE bv = num_get_rvalue (b); |
|
|
709 | |
|
|
710 | switch (op) |
776 | switch (op) |
711 | { |
777 | { |
712 | case NUM_ADD: av += bv; break; |
778 | case NUM_ADD: a.rvalue += b.rvalue; break; |
713 | case NUM_SUB: av -= bv; break; |
779 | case NUM_SUB: a.rvalue -= b.rvalue; break; |
714 | case NUM_MUL: av *= bv; break; |
780 | case NUM_MUL: a.rvalue *= b.rvalue; break; |
715 | case NUM_INTDIV: av /= bv; break; |
781 | case NUM_INTDIV: a.rvalue /= b.rvalue; break; |
716 | } |
782 | } |
717 | |
783 | |
718 | num_set_rvalue (ret, av); |
784 | num_set_rvalue (ret, a.rvalue); |
719 | } |
785 | } |
|
|
786 | #endif |
720 | |
787 | |
721 | return ret; |
788 | return ret; |
722 | } |
789 | } |
723 | |
790 | |
724 | static num |
791 | static num |
725 | num_div (num a, num b) |
792 | num_div (num a, num b) |
726 | { |
793 | { |
727 | num ret; |
794 | num ret; |
728 | |
795 | |
729 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b) && num_get_ivalue (a) % num_get_ivalue (b) == 0); |
796 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b) && num_ivalue (a) % num_ivalue (b) == 0); |
730 | |
797 | |
731 | if (num_is_fixnum (ret)) |
798 | if (num_is_fixnum (ret)) |
732 | num_set_ivalue (ret, num_get_ivalue (a) / num_get_ivalue (b)); |
799 | num_set_ivalue (ret, num_ivalue (a) / num_ivalue (b)); |
733 | else |
800 | else |
734 | num_set_rvalue (ret, num_get_rvalue (a) / num_get_rvalue (b)); |
801 | num_set_rvalue (ret, num_rvalue (a) / num_rvalue (b)); |
735 | |
802 | |
736 | return ret; |
803 | return ret; |
737 | } |
804 | } |
738 | |
805 | |
739 | static num |
806 | static num |
… | |
… | |
741 | { |
808 | { |
742 | num ret; |
809 | num ret; |
743 | long e1, e2, res; |
810 | long e1, e2, res; |
744 | |
811 | |
745 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
812 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
746 | e1 = num_get_ivalue (a); |
813 | e1 = num_ivalue (a); |
747 | e2 = num_get_ivalue (b); |
814 | e2 = num_ivalue (b); |
748 | res = e1 % e2; |
815 | res = e1 % e2; |
749 | |
816 | |
750 | /* remainder should have same sign as second operand */ |
817 | /* remainder should have same sign as second operand */ |
751 | if (res > 0) |
818 | if (res > 0) |
752 | { |
819 | { |
… | |
… | |
768 | { |
835 | { |
769 | num ret; |
836 | num ret; |
770 | long e1, e2, res; |
837 | long e1, e2, res; |
771 | |
838 | |
772 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
839 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
773 | e1 = num_get_ivalue (a); |
840 | e1 = num_ivalue (a); |
774 | e2 = num_get_ivalue (b); |
841 | e2 = num_ivalue (b); |
775 | res = e1 % e2; |
842 | res = e1 % e2; |
776 | |
843 | |
777 | /* modulo should have same sign as second operand */ |
844 | /* modulo should have same sign as second operand */ |
778 | if (res * e2 < 0) |
845 | if (res * e2 < 0) |
779 | res += e2; |
846 | res += e2; |
780 | |
847 | |
781 | num_set_ivalue (ret, res); |
848 | num_set_ivalue (ret, res); |
782 | return ret; |
849 | return ret; |
783 | } |
850 | } |
784 | |
851 | |
785 | /* this completely disrespects NaNs */ |
852 | /* this completely disrespects NaNs, but r5rs doesn't even allow NaNs */ |
786 | static int |
853 | static int |
787 | num_cmp (num a, num b) |
854 | num_cmp (num a, num b) |
788 | { |
855 | { |
789 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
856 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
790 | int ret; |
857 | int ret; |
791 | |
858 | |
792 | if (is_fixnum) |
859 | if (is_fixnum) |
793 | { |
860 | { |
794 | IVALUE av = num_get_ivalue (a); |
861 | IVALUE av = num_ivalue (a); |
795 | IVALUE bv = num_get_ivalue (b); |
862 | IVALUE bv = num_ivalue (b); |
796 | |
863 | |
797 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
864 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
798 | } |
865 | } |
799 | else |
866 | else |
800 | { |
867 | { |
801 | RVALUE av = num_get_rvalue (a); |
868 | RVALUE av = num_rvalue (a); |
802 | RVALUE bv = num_get_rvalue (b); |
869 | RVALUE bv = num_rvalue (b); |
803 | |
870 | |
804 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
871 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
805 | } |
872 | } |
806 | |
873 | |
807 | return ret; |
874 | return ret; |
… | |
… | |
833 | #endif |
900 | #endif |
834 | |
901 | |
835 | static int |
902 | static int |
836 | is_zero_rvalue (RVALUE x) |
903 | is_zero_rvalue (RVALUE x) |
837 | { |
904 | { |
|
|
905 | return x == 0; |
|
|
906 | #if 0 |
838 | #if USE_REAL |
907 | #if USE_REAL |
839 | return x < DBL_MIN && x > -DBL_MIN; /* why the hate of denormals? this should be == 0. */ |
908 | return x < DBL_MIN && x > -DBL_MIN; /* why the hate of denormals? this should be == 0. */ |
840 | #else |
909 | #else |
841 | return x == 0; |
910 | return x == 0; |
|
|
911 | #endif |
842 | #endif |
912 | #endif |
843 | } |
913 | } |
844 | |
914 | |
845 | /* allocate new cell segment */ |
915 | /* allocate new cell segment */ |
846 | static int |
916 | static int |
… | |
… | |
867 | return k; |
937 | return k; |
868 | |
938 | |
869 | i = ++SCHEME_V->last_cell_seg; |
939 | i = ++SCHEME_V->last_cell_seg; |
870 | SCHEME_V->alloc_seg[i] = cp; |
940 | SCHEME_V->alloc_seg[i] = cp; |
871 | |
941 | |
872 | /* insert new segment in address order */ |
|
|
873 | newp = (pointer)cp; |
942 | newp = (pointer)cp; |
874 | SCHEME_V->cell_seg[i] = newp; |
943 | SCHEME_V->cell_seg[i] = newp; |
875 | SCHEME_V->cell_segsize[i] = segsize; |
944 | SCHEME_V->cell_segsize[i] = segsize; |
876 | |
|
|
877 | //TODO: insert, not swap |
|
|
878 | while (i > 0 && SCHEME_V->cell_seg[i - 1] > SCHEME_V->cell_seg[i]) |
|
|
879 | { |
|
|
880 | p = SCHEME_V->cell_seg[i]; |
|
|
881 | SCHEME_V->cell_seg[i] = SCHEME_V->cell_seg[i - 1]; |
|
|
882 | SCHEME_V->cell_seg[i - 1] = p; |
|
|
883 | |
|
|
884 | k = SCHEME_V->cell_segsize[i]; |
|
|
885 | SCHEME_V->cell_segsize[i] = SCHEME_V->cell_segsize[i - 1]; |
|
|
886 | SCHEME_V->cell_segsize[i - 1] = k; |
|
|
887 | |
|
|
888 | --i; |
|
|
889 | } |
|
|
890 | |
|
|
891 | SCHEME_V->fcells += segsize; |
945 | SCHEME_V->fcells += segsize; |
892 | last = newp + segsize - 1; |
946 | last = newp + segsize - 1; |
893 | |
947 | |
894 | for (p = newp; p <= last; p++) |
948 | for (p = newp; p <= last; p++) |
895 | { |
949 | { |
896 | set_typeflag (p, T_FREE); |
950 | set_typeflag (p, T_PAIR); |
897 | set_car (p, NIL); |
951 | set_car (p, NIL); |
898 | set_cdr (p, p + 1); |
952 | set_cdr (p, p + 1); |
899 | } |
953 | } |
900 | |
954 | |
901 | /* insert new cells in address order on free list */ |
|
|
902 | if (SCHEME_V->free_cell == NIL || p < SCHEME_V->free_cell) |
|
|
903 | { |
|
|
904 | set_cdr (last, SCHEME_V->free_cell); |
955 | set_cdr (last, SCHEME_V->free_cell); |
905 | SCHEME_V->free_cell = newp; |
956 | SCHEME_V->free_cell = newp; |
906 | } |
|
|
907 | else |
|
|
908 | { |
|
|
909 | p = SCHEME_V->free_cell; |
|
|
910 | |
|
|
911 | while (cdr (p) != NIL && newp > cdr (p)) |
|
|
912 | p = cdr (p); |
|
|
913 | |
|
|
914 | set_cdr (last, cdr (p)); |
|
|
915 | set_cdr (p, newp); |
|
|
916 | } |
|
|
917 | } |
957 | } |
918 | |
958 | |
919 | return n; |
959 | return n; |
920 | } |
960 | } |
921 | |
961 | |
922 | /* get new cell. parameter a, b is marked by gc. */ |
962 | /* get new cell. parameter a, b is marked by gc. */ |
923 | static INLINE pointer |
963 | ecb_inline pointer |
924 | get_cell_x (SCHEME_P_ pointer a, pointer b) |
964 | get_cell_x (SCHEME_P_ pointer a, pointer b) |
925 | { |
965 | { |
926 | if (ecb_expect_false (SCHEME_V->free_cell == NIL)) |
966 | if (ecb_expect_false (SCHEME_V->free_cell == NIL)) |
927 | { |
967 | { |
928 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
968 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
… | |
… | |
1000 | /* Record it as a vector so that gc understands it. */ |
1040 | /* Record it as a vector so that gc understands it. */ |
1001 | set_typeflag (v, T_VECTOR | T_ATOM); |
1041 | set_typeflag (v, T_VECTOR | T_ATOM); |
1002 | |
1042 | |
1003 | v->object.vector.vvalue = e; |
1043 | v->object.vector.vvalue = e; |
1004 | v->object.vector.length = len; |
1044 | v->object.vector.length = len; |
1005 | fill_vector (v, init); |
1045 | fill_vector (v, 0, init); |
1006 | push_recent_alloc (SCHEME_A_ v, NIL); |
1046 | push_recent_alloc (SCHEME_A_ v, NIL); |
1007 | |
1047 | |
1008 | return v; |
1048 | return v; |
1009 | } |
1049 | } |
1010 | |
1050 | |
1011 | static INLINE void |
1051 | ecb_inline void |
1012 | ok_to_freely_gc (SCHEME_P) |
1052 | ok_to_freely_gc (SCHEME_P) |
1013 | { |
1053 | { |
1014 | set_car (S_SINK, NIL); |
1054 | set_car (S_SINK, NIL); |
1015 | } |
1055 | } |
1016 | |
1056 | |
… | |
… | |
1055 | return x; |
1095 | return x; |
1056 | } |
1096 | } |
1057 | |
1097 | |
1058 | /* ========== oblist implementation ========== */ |
1098 | /* ========== oblist implementation ========== */ |
1059 | |
1099 | |
|
|
1100 | static pointer |
|
|
1101 | generate_symbol (SCHEME_P_ const char *name) |
|
|
1102 | { |
|
|
1103 | pointer x = mk_string (SCHEME_A_ name); |
|
|
1104 | setimmutable (x); |
|
|
1105 | set_typeflag (x, T_SYMBOL | T_ATOM); |
|
|
1106 | return x; |
|
|
1107 | } |
|
|
1108 | |
1060 | #ifndef USE_OBJECT_LIST |
1109 | #ifndef USE_OBJECT_LIST |
1061 | |
1110 | |
|
|
1111 | static int |
1062 | 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 | } |
1063 | |
1122 | |
1064 | static pointer |
1123 | static pointer |
1065 | oblist_initial_value (SCHEME_P) |
1124 | oblist_initial_value (SCHEME_P) |
1066 | { |
1125 | { |
1067 | return mk_vector (SCHEME_A_ 461); /* probably should be bigger */ |
1126 | return mk_vector (SCHEME_A_ 461); /* probably should be bigger */ |
… | |
… | |
1069 | |
1128 | |
1070 | /* returns the new symbol */ |
1129 | /* returns the new symbol */ |
1071 | static pointer |
1130 | static pointer |
1072 | oblist_add_by_name (SCHEME_P_ const char *name) |
1131 | oblist_add_by_name (SCHEME_P_ const char *name) |
1073 | { |
1132 | { |
1074 | int location; |
1133 | pointer x = generate_symbol (SCHEME_A_ name); |
1075 | |
|
|
1076 | pointer x = immutable_cons (mk_string (SCHEME_A_ name), NIL); |
|
|
1077 | set_typeflag (x, T_SYMBOL); |
|
|
1078 | setimmutable (car (x)); |
|
|
1079 | |
|
|
1080 | location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1134 | int location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1081 | 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))); |
1082 | return x; |
1136 | return x; |
1083 | } |
1137 | } |
1084 | |
1138 | |
1085 | static INLINE pointer |
1139 | ecb_inline pointer |
1086 | oblist_find_by_name (SCHEME_P_ const char *name) |
1140 | oblist_find_by_name (SCHEME_P_ const char *name) |
1087 | { |
1141 | { |
1088 | int location; |
1142 | int location; |
1089 | pointer x; |
1143 | pointer x; |
1090 | char *s; |
1144 | char *s; |
1091 | |
1145 | |
1092 | location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1146 | location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1093 | |
1147 | |
1094 | 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)) |
1095 | { |
1149 | { |
1096 | s = symname (car (x)); |
1150 | s = symname (car (x)); |
1097 | |
1151 | |
1098 | /* case-insensitive, per R5RS section 2 */ |
1152 | /* case-insensitive, per R5RS section 2 */ |
1099 | if (stricmp (name, s) == 0) |
1153 | if (stricmp (name, s) == 0) |
… | |
… | |
1109 | int i; |
1163 | int i; |
1110 | pointer x; |
1164 | pointer x; |
1111 | pointer ob_list = NIL; |
1165 | pointer ob_list = NIL; |
1112 | |
1166 | |
1113 | for (i = 0; i < veclength (SCHEME_V->oblist); i++) |
1167 | for (i = 0; i < veclength (SCHEME_V->oblist); i++) |
1114 | 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)) |
1115 | ob_list = cons (x, ob_list); |
1169 | ob_list = cons (x, ob_list); |
1116 | |
1170 | |
1117 | return ob_list; |
1171 | return ob_list; |
1118 | } |
1172 | } |
1119 | |
1173 | |
… | |
… | |
1123 | oblist_initial_value (SCHEME_P) |
1177 | oblist_initial_value (SCHEME_P) |
1124 | { |
1178 | { |
1125 | return NIL; |
1179 | return NIL; |
1126 | } |
1180 | } |
1127 | |
1181 | |
1128 | static INLINE pointer |
1182 | ecb_inline pointer |
1129 | oblist_find_by_name (SCHEME_P_ const char *name) |
1183 | oblist_find_by_name (SCHEME_P_ const char *name) |
1130 | { |
1184 | { |
1131 | pointer x; |
1185 | pointer x; |
1132 | char *s; |
1186 | char *s; |
1133 | |
1187 | |
… | |
… | |
1145 | |
1199 | |
1146 | /* returns the new symbol */ |
1200 | /* returns the new symbol */ |
1147 | static pointer |
1201 | static pointer |
1148 | oblist_add_by_name (SCHEME_P_ const char *name) |
1202 | oblist_add_by_name (SCHEME_P_ const char *name) |
1149 | { |
1203 | { |
1150 | pointer x; |
1204 | pointer x = mk_string (SCHEME_A_ name); |
1151 | |
|
|
1152 | x = immutable_cons (mk_string (SCHEME_A_ name), NIL); |
|
|
1153 | set_typeflag (x, T_SYMBOL); |
1205 | set_typeflag (x, T_SYMBOL); |
1154 | setimmutable (car (x)); |
1206 | setimmutable (x); |
1155 | SCHEME_V->oblist = immutable_cons (x, SCHEME_V->oblist); |
1207 | SCHEME_V->oblist = immutable_cons (x, SCHEME_V->oblist); |
1156 | return x; |
1208 | return x; |
1157 | } |
1209 | } |
1158 | |
1210 | |
1159 | static pointer |
1211 | static pointer |
… | |
… | |
1192 | mk_character (SCHEME_P_ int c) |
1244 | mk_character (SCHEME_P_ int c) |
1193 | { |
1245 | { |
1194 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1246 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1195 | |
1247 | |
1196 | set_typeflag (x, (T_CHARACTER | T_ATOM)); |
1248 | set_typeflag (x, (T_CHARACTER | T_ATOM)); |
1197 | ivalue_unchecked (x) = c & 0xff; |
1249 | set_ivalue (x, c & 0xff); |
1198 | set_num_integer (x); |
1250 | |
1199 | return x; |
1251 | return x; |
1200 | } |
1252 | } |
1201 | |
1253 | |
1202 | /* get number atom (integer) */ |
1254 | /* get number atom (integer) */ |
1203 | INTERFACE pointer |
1255 | INTERFACE pointer |
1204 | mk_integer (SCHEME_P_ long num) |
1256 | mk_integer (SCHEME_P_ long n) |
1205 | { |
1257 | { |
1206 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1258 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1207 | |
1259 | |
1208 | set_typeflag (x, (T_NUMBER | T_ATOM)); |
1260 | set_typeflag (x, (T_INTEGER | T_ATOM)); |
1209 | ivalue_unchecked (x) = num; |
1261 | set_ivalue (x, n); |
1210 | set_num_integer (x); |
1262 | |
1211 | return x; |
1263 | return x; |
1212 | } |
1264 | } |
1213 | |
1265 | |
1214 | INTERFACE pointer |
1266 | INTERFACE pointer |
1215 | mk_real (SCHEME_P_ RVALUE n) |
1267 | mk_real (SCHEME_P_ RVALUE n) |
1216 | { |
1268 | { |
|
|
1269 | #if USE_REAL |
1217 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1270 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1218 | |
1271 | |
1219 | set_typeflag (x, (T_NUMBER | T_ATOM)); |
1272 | set_typeflag (x, (T_REAL | T_ATOM)); |
1220 | rvalue_unchecked (x) = n; |
1273 | set_rvalue (x, n); |
1221 | set_num_real (x); |
1274 | |
1222 | return x; |
1275 | return x; |
|
|
1276 | #else |
|
|
1277 | return mk_integer (SCHEME_A_ n); |
|
|
1278 | #endif |
1223 | } |
1279 | } |
1224 | |
1280 | |
1225 | static pointer |
1281 | static pointer |
1226 | mk_number (SCHEME_P_ const num n) |
1282 | mk_number (SCHEME_P_ const num n) |
1227 | { |
1283 | { |
|
|
1284 | #if USE_REAL |
1228 | 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 |
1229 | return mk_integer (SCHEME_A_ num_get_ivalue (n)); |
1289 | return mk_integer (SCHEME_A_ num_ivalue (n)); |
1230 | else |
1290 | #endif |
1231 | return mk_real (SCHEME_A_ num_get_rvalue (n)); |
|
|
1232 | } |
1291 | } |
1233 | |
1292 | |
1234 | /* allocate name to string area */ |
1293 | /* allocate name to string area */ |
1235 | static char * |
1294 | static char * |
1236 | 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) |
… | |
… | |
1242 | SCHEME_V->no_memory = 1; |
1301 | SCHEME_V->no_memory = 1; |
1243 | return SCHEME_V->strbuff; |
1302 | return SCHEME_V->strbuff; |
1244 | } |
1303 | } |
1245 | |
1304 | |
1246 | if (str) |
1305 | if (str) |
1247 | { |
1306 | memcpy (q, str , len_str); /* caller must ensure that *str has length len_str */ |
1248 | int l = strlen (str); |
|
|
1249 | |
|
|
1250 | if (l > len_str) |
|
|
1251 | l = len_str; |
|
|
1252 | |
|
|
1253 | memcpy (q, str, l); |
|
|
1254 | q[l] = 0; |
|
|
1255 | } |
|
|
1256 | else |
1307 | else |
1257 | { |
|
|
1258 | memset (q, fill, len_str); |
1308 | memset (q, fill, len_str); |
|
|
1309 | |
1259 | q[len_str] = 0; |
1310 | q[len_str] = 0; |
1260 | } |
|
|
1261 | |
1311 | |
1262 | return q; |
1312 | return q; |
1263 | } |
1313 | } |
1264 | |
1314 | |
1265 | INTERFACE pointer |
1315 | INTERFACE pointer |
… | |
… | |
1279 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1329 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1280 | |
1330 | |
1281 | set_typeflag (x, T_STRING | T_ATOM); |
1331 | set_typeflag (x, T_STRING | T_ATOM); |
1282 | strvalue (x) = store_string (SCHEME_A_ len, str, 0); |
1332 | strvalue (x) = store_string (SCHEME_A_ len, str, 0); |
1283 | strlength (x) = len; |
1333 | strlength (x) = len; |
|
|
1334 | |
1284 | return x; |
1335 | return x; |
1285 | } |
1336 | } |
1286 | |
1337 | |
1287 | INTERFACE pointer |
1338 | INTERFACE pointer |
1288 | mk_string (SCHEME_P_ const char *str) |
1339 | mk_string (SCHEME_P_ const char *str) |
… | |
… | |
1295 | { |
1346 | { |
1296 | return get_vector_object (SCHEME_A_ len, NIL); |
1347 | return get_vector_object (SCHEME_A_ len, NIL); |
1297 | } |
1348 | } |
1298 | |
1349 | |
1299 | INTERFACE void |
1350 | INTERFACE void |
1300 | fill_vector (pointer vec, pointer obj) |
1351 | fill_vector (pointer vec, uint32_t start, pointer obj) |
1301 | { |
1352 | { |
1302 | int i; |
1353 | int i; |
1303 | |
1354 | |
1304 | for (i = 0; i < vec->object.vector.length; i++) |
1355 | for (i = start; i < veclength (vec); i++) |
1305 | vecvalue (vec)[i] = obj; |
1356 | vecvalue (vec)[i] = obj; |
1306 | } |
1357 | } |
1307 | |
1358 | |
|
|
1359 | INTERFACE void |
|
|
1360 | vector_resize (pointer vec, uint32_t newsize, pointer fill) |
|
|
1361 | { |
|
|
1362 | uint32_t oldsize = veclength (vec); |
|
|
1363 | vecvalue (vec) = realloc (vecvalue (vec), newsize * sizeof (pointer)); |
|
|
1364 | veclength (vec) = newsize; |
|
|
1365 | fill_vector (vec, oldsize, fill); |
|
|
1366 | } |
|
|
1367 | |
1308 | INTERFACE pointer |
1368 | INTERFACE pointer |
1309 | vector_elem (pointer vec, uint32_t ielem) |
1369 | vector_get (pointer vec, uint32_t ielem) |
1310 | { |
1370 | { |
1311 | return vecvalue(vec)[ielem]; |
1371 | return vecvalue(vec)[ielem]; |
1312 | } |
1372 | } |
1313 | |
1373 | |
1314 | INTERFACE void |
1374 | INTERFACE void |
1315 | set_vector_elem (pointer vec, uint32_t ielem, pointer a) |
1375 | vector_set (pointer vec, uint32_t ielem, pointer a) |
1316 | { |
1376 | { |
1317 | vecvalue(vec)[ielem] = a; |
1377 | vecvalue(vec)[ielem] = a; |
1318 | } |
1378 | } |
1319 | |
1379 | |
1320 | /* get new symbol */ |
1380 | /* get new symbol */ |
… | |
… | |
1332 | |
1392 | |
1333 | INTERFACE pointer |
1393 | INTERFACE pointer |
1334 | gensym (SCHEME_P) |
1394 | gensym (SCHEME_P) |
1335 | { |
1395 | { |
1336 | pointer x; |
1396 | pointer x; |
1337 | |
|
|
1338 | for (; SCHEME_V->gensym_cnt < LONG_MAX; SCHEME_V->gensym_cnt++) |
|
|
1339 | { |
|
|
1340 | char name[40] = "gensym-"; |
1397 | char name[40] = "gensym-"; |
1341 | xnum (name + 7, SCHEME_V->gensym_cnt); |
1398 | xnum (name + 7, SCHEME_V->gensym_cnt); |
1342 | |
1399 | |
1343 | /* first check oblist */ |
1400 | return generate_symbol (SCHEME_A_ name); |
1344 | x = oblist_find_by_name (SCHEME_A_ name); |
|
|
1345 | |
|
|
1346 | if (x == NIL) |
|
|
1347 | { |
|
|
1348 | x = oblist_add_by_name (SCHEME_A_ name); |
|
|
1349 | return x; |
|
|
1350 | } |
|
|
1351 | } |
|
|
1352 | |
|
|
1353 | return NIL; |
|
|
1354 | } |
1401 | } |
1355 | |
1402 | |
1356 | /* make symbol or number atom from string */ |
1403 | /* make symbol or number atom from string */ |
1357 | static pointer |
1404 | static pointer |
1358 | mk_atom (SCHEME_P_ char *q) |
1405 | mk_atom (SCHEME_P_ char *q) |
… | |
… | |
1412 | } |
1459 | } |
1413 | else if ((c == 'e') || (c == 'E')) |
1460 | else if ((c == 'e') || (c == 'E')) |
1414 | { |
1461 | { |
1415 | if (!has_fp_exp) |
1462 | if (!has_fp_exp) |
1416 | { |
1463 | { |
1417 | has_dec_point = 1; /* decimal point illegal |
1464 | has_dec_point = 1; /* decimal point illegal from now on */ |
1418 | from now on */ |
|
|
1419 | p++; |
1465 | p++; |
1420 | |
1466 | |
1421 | if ((*p == '-') || (*p == '+') || isdigit (*p)) |
1467 | if ((*p == '-') || (*p == '+') || isdigit (*p)) |
1422 | continue; |
1468 | continue; |
1423 | } |
1469 | } |
… | |
… | |
1511 | |
1557 | |
1512 | if (ecb_expect_false (is_vector (p))) |
1558 | if (ecb_expect_false (is_vector (p))) |
1513 | { |
1559 | { |
1514 | int i; |
1560 | int i; |
1515 | |
1561 | |
1516 | for (i = 0; i < p->object.vector.length; i++) |
1562 | for (i = 0; i < veclength (p); i++) |
1517 | mark (vecvalue (p)[i]); |
1563 | mark (vecvalue (p)[i]); |
1518 | } |
1564 | } |
1519 | |
1565 | |
1520 | if (is_atom (p)) |
1566 | if (is_atom (p)) |
1521 | goto E6; |
1567 | goto E6; |
… | |
… | |
1619 | if (is_mark (p)) |
1665 | if (is_mark (p)) |
1620 | clrmark (p); |
1666 | clrmark (p); |
1621 | else |
1667 | else |
1622 | { |
1668 | { |
1623 | /* reclaim cell */ |
1669 | /* reclaim cell */ |
1624 | if (typeflag (p) != T_FREE) |
1670 | if (typeflag (p) != T_PAIR) |
1625 | { |
1671 | { |
1626 | finalize_cell (SCHEME_A_ p); |
1672 | finalize_cell (SCHEME_A_ p); |
1627 | set_typeflag (p, T_FREE); |
1673 | set_typeflag (p, T_PAIR); |
1628 | set_car (p, NIL); |
1674 | set_car (p, NIL); |
1629 | } |
1675 | } |
1630 | |
1676 | |
1631 | ++SCHEME_V->fcells; |
1677 | ++SCHEME_V->fcells; |
1632 | set_cdr (p, SCHEME_V->free_cell); |
1678 | set_cdr (p, SCHEME_V->free_cell); |
… | |
… | |
1634 | } |
1680 | } |
1635 | } |
1681 | } |
1636 | } |
1682 | } |
1637 | |
1683 | |
1638 | if (SCHEME_V->gc_verbose) |
1684 | if (SCHEME_V->gc_verbose) |
|
|
1685 | { |
1639 | xwrstr ("done: "); xwrnum (SCHEME_V->fcells); xwrstr (" cells were recovered.\n"); |
1686 | xwrstr ("done: "); xwrnum (SCHEME_V->fcells); xwrstr (" cells were recovered.\n"); |
|
|
1687 | } |
1640 | } |
1688 | } |
1641 | |
1689 | |
1642 | static void |
1690 | static void |
1643 | finalize_cell (SCHEME_P_ pointer a) |
1691 | finalize_cell (SCHEME_P_ pointer a) |
1644 | { |
1692 | { |
1645 | /* TODO, fast bitmap check? */ |
1693 | /* TODO, fast bitmap check? */ |
1646 | if (is_string (a)) |
1694 | if (is_string (a) || is_symbol (a)) |
1647 | free (strvalue (a)); |
1695 | free (strvalue (a)); |
1648 | else if (is_vector (a)) |
1696 | else if (is_vector (a)) |
1649 | free (vecvalue (a)); |
1697 | free (vecvalue (a)); |
1650 | #if USE_PORTS |
1698 | #if USE_PORTS |
1651 | else if (is_port (a)) |
1699 | else if (is_port (a)) |
… | |
… | |
2073 | #endif |
2121 | #endif |
2074 | } |
2122 | } |
2075 | |
2123 | |
2076 | /* read characters up to delimiter, but cater to character constants */ |
2124 | /* read characters up to delimiter, but cater to character constants */ |
2077 | static char * |
2125 | static char * |
2078 | readstr_upto (SCHEME_P_ char *delim) |
2126 | readstr_upto (SCHEME_P_ int skip, const char *delim) |
2079 | { |
2127 | { |
2080 | char *p = SCHEME_V->strbuff; |
2128 | char *p = SCHEME_V->strbuff + skip; |
2081 | |
2129 | |
2082 | while ((p - SCHEME_V->strbuff < sizeof (SCHEME_V->strbuff)) && !is_one_of (delim, (*p++ = inchar (SCHEME_A)))); |
2130 | while ((p - SCHEME_V->strbuff < sizeof (SCHEME_V->strbuff)) && !is_one_of (delim, (*p++ = inchar (SCHEME_A)))); |
2083 | |
2131 | |
2084 | if (p == SCHEME_V->strbuff + 2 && p[-2] == '\\') |
2132 | if (p == SCHEME_V->strbuff + 2 && p[-2] == '\\') |
2085 | *p = 0; |
2133 | *p = 0; |
… | |
… | |
2092 | return SCHEME_V->strbuff; |
2140 | return SCHEME_V->strbuff; |
2093 | } |
2141 | } |
2094 | |
2142 | |
2095 | /* read string expression "xxx...xxx" */ |
2143 | /* read string expression "xxx...xxx" */ |
2096 | static pointer |
2144 | static pointer |
2097 | readstrexp (SCHEME_P) |
2145 | readstrexp (SCHEME_P_ char delim) |
2098 | { |
2146 | { |
2099 | char *p = SCHEME_V->strbuff; |
2147 | char *p = SCHEME_V->strbuff; |
2100 | int c; |
2148 | int c; |
2101 | int c1 = 0; |
2149 | int c1 = 0; |
2102 | enum |
|
|
2103 | { st_ok, st_bsl, st_x1, st_x2, st_oct1, st_oct2 } state = st_ok; |
2150 | enum { st_ok, st_bsl, st_x1, st_x2, st_oct1, st_oct2 } state = st_ok; |
2104 | |
2151 | |
2105 | for (;;) |
2152 | for (;;) |
2106 | { |
2153 | { |
2107 | c = inchar (SCHEME_A); |
2154 | c = inchar (SCHEME_A); |
2108 | |
2155 | |
… | |
… | |
2110 | return S_F; |
2157 | return S_F; |
2111 | |
2158 | |
2112 | switch (state) |
2159 | switch (state) |
2113 | { |
2160 | { |
2114 | case st_ok: |
2161 | case st_ok: |
2115 | switch (c) |
2162 | if (ecb_expect_false (c == delim)) |
2116 | { |
|
|
2117 | case '\\': |
|
|
2118 | state = st_bsl; |
|
|
2119 | break; |
|
|
2120 | |
|
|
2121 | case '"': |
|
|
2122 | *p = 0; |
|
|
2123 | return mk_counted_string (SCHEME_A_ SCHEME_V->strbuff, p - SCHEME_V->strbuff); |
2163 | return mk_counted_string (SCHEME_A_ SCHEME_V->strbuff, p - SCHEME_V->strbuff); |
2124 | |
2164 | |
2125 | default: |
2165 | if (ecb_expect_false (c == '\\')) |
|
|
2166 | state = st_bsl; |
|
|
2167 | else |
2126 | *p++ = c; |
2168 | *p++ = c; |
2127 | break; |
|
|
2128 | } |
|
|
2129 | |
2169 | |
2130 | break; |
2170 | break; |
2131 | |
2171 | |
2132 | case st_bsl: |
2172 | case st_bsl: |
2133 | switch (c) |
2173 | switch (c) |
… | |
… | |
2163 | case 'r': |
2203 | case 'r': |
2164 | *p++ = '\r'; |
2204 | *p++ = '\r'; |
2165 | state = st_ok; |
2205 | state = st_ok; |
2166 | break; |
2206 | break; |
2167 | |
2207 | |
2168 | case '"': |
|
|
2169 | *p++ = '"'; |
|
|
2170 | state = st_ok; |
|
|
2171 | break; |
|
|
2172 | |
|
|
2173 | default: |
2208 | default: |
2174 | *p++ = c; |
2209 | *p++ = c; |
2175 | state = st_ok; |
2210 | state = st_ok; |
2176 | break; |
2211 | break; |
2177 | } |
2212 | } |
2178 | |
2213 | |
2179 | break; |
2214 | break; |
2180 | |
2215 | |
2181 | case st_x1: |
2216 | case st_x1: |
2182 | case st_x2: |
2217 | case st_x2: |
2183 | c = toupper (c); |
2218 | c = tolower (c); |
2184 | |
2219 | |
2185 | if (c >= '0' && c <= 'F') |
2220 | if (c >= '0' && c <= '9') |
2186 | { |
|
|
2187 | if (c <= '9') |
|
|
2188 | c1 = (c1 << 4) + c - '0'; |
2221 | c1 = (c1 << 4) + c - '0'; |
2189 | else |
2222 | else if (c >= 'a' && c <= 'f') |
2190 | c1 = (c1 << 4) + c - 'A' + 10; |
2223 | c1 = (c1 << 4) + c - 'a' + 10; |
2191 | |
|
|
2192 | if (state == st_x1) |
|
|
2193 | state = st_x2; |
|
|
2194 | else |
|
|
2195 | { |
|
|
2196 | *p++ = c1; |
|
|
2197 | state = st_ok; |
|
|
2198 | } |
|
|
2199 | } |
|
|
2200 | else |
2224 | else |
2201 | return S_F; |
2225 | return S_F; |
|
|
2226 | |
|
|
2227 | if (state == st_x1) |
|
|
2228 | state = st_x2; |
|
|
2229 | else |
|
|
2230 | { |
|
|
2231 | *p++ = c1; |
|
|
2232 | state = st_ok; |
|
|
2233 | } |
2202 | |
2234 | |
2203 | break; |
2235 | break; |
2204 | |
2236 | |
2205 | case st_oct1: |
2237 | case st_oct1: |
2206 | case st_oct2: |
2238 | case st_oct2: |
… | |
… | |
2210 | backchar (SCHEME_A_ c); |
2242 | backchar (SCHEME_A_ c); |
2211 | state = st_ok; |
2243 | state = st_ok; |
2212 | } |
2244 | } |
2213 | else |
2245 | else |
2214 | { |
2246 | { |
2215 | if (state == st_oct2 && c1 >= 32) |
2247 | if (state == st_oct2 && c1 >= ' ') |
2216 | return S_F; |
2248 | return S_F; |
2217 | |
2249 | |
2218 | c1 = (c1 << 3) + (c - '0'); |
2250 | c1 = (c1 << 3) + (c - '0'); |
2219 | |
2251 | |
2220 | if (state == st_oct1) |
2252 | if (state == st_oct1) |
… | |
… | |
2225 | state = st_ok; |
2257 | state = st_ok; |
2226 | } |
2258 | } |
2227 | } |
2259 | } |
2228 | |
2260 | |
2229 | break; |
2261 | break; |
2230 | |
|
|
2231 | } |
2262 | } |
2232 | } |
2263 | } |
2233 | } |
2264 | } |
2234 | |
2265 | |
2235 | /* check c is in chars */ |
2266 | /* check c is in chars */ |
2236 | static INLINE int |
2267 | ecb_inline int |
2237 | is_one_of (char *s, int c) |
2268 | is_one_of (const char *s, int c) |
2238 | { |
2269 | { |
2239 | if (c == EOF) |
|
|
2240 | return 1; |
|
|
2241 | |
|
|
2242 | return !!strchr (s, c); |
2270 | return c == EOF || !!strchr (s, c); |
2243 | } |
2271 | } |
2244 | |
2272 | |
2245 | /* skip white characters */ |
2273 | /* skip white characters */ |
2246 | static INLINE int |
2274 | ecb_inline int |
2247 | skipspace (SCHEME_P) |
2275 | skipspace (SCHEME_P) |
2248 | { |
2276 | { |
2249 | int c, curr_line = 0; |
2277 | int c, curr_line = 0; |
2250 | |
2278 | |
2251 | do |
2279 | do |
2252 | { |
2280 | { |
2253 | c = inchar (SCHEME_A); |
2281 | c = inchar (SCHEME_A); |
|
|
2282 | |
2254 | #if SHOW_ERROR_LINE |
2283 | #if SHOW_ERROR_LINE |
2255 | if (c == '\n') |
2284 | if (ecb_expect_false (c == '\n')) |
2256 | curr_line++; |
2285 | curr_line++; |
2257 | #endif |
2286 | #endif |
|
|
2287 | |
|
|
2288 | if (ecb_expect_false (c == EOF)) |
|
|
2289 | return c; |
2258 | } |
2290 | } |
2259 | while (c == ' ' || c == '\n' || c == '\r' || c == '\t'); |
2291 | while (is_one_of (WHITESPACE, c)); |
2260 | |
2292 | |
2261 | /* record it */ |
2293 | /* record it */ |
2262 | #if SHOW_ERROR_LINE |
2294 | #if SHOW_ERROR_LINE |
2263 | if (SCHEME_V->load_stack[SCHEME_V->file_i].kind & port_file) |
2295 | if (SCHEME_V->load_stack[SCHEME_V->file_i].kind & port_file) |
2264 | SCHEME_V->load_stack[SCHEME_V->file_i].rep.stdio.curr_line += curr_line; |
2296 | SCHEME_V->load_stack[SCHEME_V->file_i].rep.stdio.curr_line += curr_line; |
2265 | #endif |
2297 | #endif |
2266 | |
2298 | |
2267 | if (c != EOF) |
|
|
2268 | { |
|
|
2269 | backchar (SCHEME_A_ c); |
2299 | backchar (SCHEME_A_ c); |
2270 | return 1; |
2300 | return 1; |
2271 | } |
|
|
2272 | else |
|
|
2273 | return EOF; |
|
|
2274 | } |
2301 | } |
2275 | |
2302 | |
2276 | /* get token */ |
2303 | /* get token */ |
2277 | static int |
2304 | static int |
2278 | token (SCHEME_P) |
2305 | token (SCHEME_P) |
… | |
… | |
2294 | return TOK_RPAREN; |
2321 | return TOK_RPAREN; |
2295 | |
2322 | |
2296 | case '.': |
2323 | case '.': |
2297 | c = inchar (SCHEME_A); |
2324 | c = inchar (SCHEME_A); |
2298 | |
2325 | |
2299 | if (is_one_of (" \n\t", c)) |
2326 | if (is_one_of (WHITESPACE, c)) |
2300 | return TOK_DOT; |
2327 | return TOK_DOT; |
2301 | else |
2328 | else |
2302 | { |
2329 | { |
2303 | //TODO: ungetc twice in a row is not supported in C |
|
|
2304 | backchar (SCHEME_A_ c); |
2330 | backchar (SCHEME_A_ c); |
2305 | backchar (SCHEME_A_ '.'); |
|
|
2306 | return TOK_ATOM; |
2331 | return TOK_DOTATOM; |
2307 | } |
2332 | } |
|
|
2333 | |
|
|
2334 | case '|': |
|
|
2335 | return TOK_STRATOM; |
2308 | |
2336 | |
2309 | case '\'': |
2337 | case '\'': |
2310 | return TOK_QUOTE; |
2338 | return TOK_QUOTE; |
2311 | |
2339 | |
2312 | case ';': |
2340 | case ';': |
… | |
… | |
2444 | } |
2472 | } |
2445 | |
2473 | |
2446 | putcharacter (SCHEME_A_ '"'); |
2474 | putcharacter (SCHEME_A_ '"'); |
2447 | } |
2475 | } |
2448 | |
2476 | |
2449 | |
|
|
2450 | /* print atoms */ |
2477 | /* print atoms */ |
2451 | static void |
2478 | static void |
2452 | printatom (SCHEME_P_ pointer l, int f) |
2479 | printatom (SCHEME_P_ pointer l, int f) |
2453 | { |
2480 | { |
2454 | char *p; |
2481 | char *p; |
2455 | int len; |
2482 | int len; |
2456 | |
2483 | |
2457 | atom2str (SCHEME_A_ l, f, &p, &len); |
2484 | atom2str (SCHEME_A_ l, f, &p, &len); |
2458 | putchars (SCHEME_A_ p, len); |
2485 | putchars (SCHEME_A_ p, len); |
2459 | } |
2486 | } |
2460 | |
|
|
2461 | |
2487 | |
2462 | /* Uses internal buffer unless string pointer is already available */ |
2488 | /* Uses internal buffer unless string pointer is already available */ |
2463 | static void |
2489 | static void |
2464 | atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen) |
2490 | atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen) |
2465 | { |
2491 | { |
… | |
… | |
2479 | { |
2505 | { |
2480 | p = SCHEME_V->strbuff; |
2506 | p = SCHEME_V->strbuff; |
2481 | |
2507 | |
2482 | if (f <= 1 || f == 10) /* f is the base for numbers if > 1 */ |
2508 | if (f <= 1 || f == 10) /* f is the base for numbers if > 1 */ |
2483 | { |
2509 | { |
2484 | if (num_is_integer (l)) |
2510 | if (is_integer (l)) |
2485 | xnum (p, ivalue_unchecked (l)); |
2511 | xnum (p, ivalue_unchecked (l)); |
2486 | #if USE_REAL |
2512 | #if USE_REAL |
2487 | else |
2513 | else |
2488 | { |
2514 | { |
2489 | snprintf (p, STRBUFFSIZE, "%.10g", rvalue_unchecked (l)); |
2515 | snprintf (p, STRBUFFSIZE, "%.10g", rvalue_unchecked (l)); |
… | |
… | |
2626 | #endif |
2652 | #endif |
2627 | } |
2653 | } |
2628 | else if (is_continuation (l)) |
2654 | else if (is_continuation (l)) |
2629 | p = "#<CONTINUATION>"; |
2655 | p = "#<CONTINUATION>"; |
2630 | else |
2656 | else |
|
|
2657 | { |
|
|
2658 | #if USE_PRINTF |
|
|
2659 | p = SCHEME_V->strbuff; |
|
|
2660 | snprintf (p, STRBUFFSIZE, "#<ERROR %x>", (int)typeflag (l)); |
|
|
2661 | #else |
2631 | p = "#<ERROR>"; |
2662 | p = "#<ERROR>"; |
|
|
2663 | #endif |
|
|
2664 | } |
2632 | |
2665 | |
2633 | *pp = p; |
2666 | *pp = p; |
2634 | *plen = strlen (p); |
2667 | *plen = strlen (p); |
2635 | } |
2668 | } |
2636 | |
2669 | |
… | |
… | |
2744 | return 0; |
2777 | return 0; |
2745 | } |
2778 | } |
2746 | else if (is_number (a)) |
2779 | else if (is_number (a)) |
2747 | { |
2780 | { |
2748 | if (is_number (b)) |
2781 | if (is_number (b)) |
2749 | if (num_is_integer (a) == num_is_integer (b)) |
|
|
2750 | return num_cmp (nvalue (a), nvalue (b)) == 0; |
2782 | return num_cmp (nvalue (a), nvalue (b)) == 0; |
2751 | |
2783 | |
2752 | return 0; |
2784 | return 0; |
2753 | } |
2785 | } |
2754 | else if (is_character (a)) |
2786 | else if (is_character (a)) |
2755 | { |
2787 | { |
… | |
… | |
2781 | /* () is #t in R5RS */ |
2813 | /* () is #t in R5RS */ |
2782 | #define is_true(p) ((p) != S_F) |
2814 | #define is_true(p) ((p) != S_F) |
2783 | #define is_false(p) ((p) == S_F) |
2815 | #define is_false(p) ((p) == S_F) |
2784 | |
2816 | |
2785 | /* ========== Environment implementation ========== */ |
2817 | /* ========== Environment implementation ========== */ |
2786 | |
|
|
2787 | #if !defined(USE_ALIST_ENV) || !defined(USE_OBJECT_LIST) |
|
|
2788 | |
|
|
2789 | static int |
|
|
2790 | hash_fn (const char *key, int table_size) |
|
|
2791 | { |
|
|
2792 | const unsigned char *p = key; |
|
|
2793 | uint32_t hash = 2166136261; |
|
|
2794 | |
|
|
2795 | while (*p) |
|
|
2796 | hash = (hash ^ *p++) * 16777619; |
|
|
2797 | |
|
|
2798 | return hash % table_size; |
|
|
2799 | } |
|
|
2800 | #endif |
|
|
2801 | |
2818 | |
2802 | #ifndef USE_ALIST_ENV |
2819 | #ifndef USE_ALIST_ENV |
2803 | |
2820 | |
2804 | /* |
2821 | /* |
2805 | * In this implementation, each frame of the environment may be |
2822 | * In this implementation, each frame of the environment may be |
… | |
… | |
2822 | |
2839 | |
2823 | SCHEME_V->envir = immutable_cons (new_frame, old_env); |
2840 | SCHEME_V->envir = immutable_cons (new_frame, old_env); |
2824 | setenvironment (SCHEME_V->envir); |
2841 | setenvironment (SCHEME_V->envir); |
2825 | } |
2842 | } |
2826 | |
2843 | |
2827 | static INLINE void |
2844 | static uint32_t |
|
|
2845 | sym_hash (pointer sym, uint32_t size) |
|
|
2846 | { |
|
|
2847 | uintptr_t ptr = (uintptr_t)sym; |
|
|
2848 | |
|
|
2849 | #if 0 |
|
|
2850 | /* table size is prime, so why mix */ |
|
|
2851 | ptr += ptr >> 32; |
|
|
2852 | ptr += ptr >> 16; |
|
|
2853 | ptr += ptr >> 8; |
|
|
2854 | #endif |
|
|
2855 | |
|
|
2856 | return ptr % size; |
|
|
2857 | } |
|
|
2858 | |
|
|
2859 | ecb_inline void |
2828 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2860 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2829 | { |
2861 | { |
2830 | pointer slot = immutable_cons (variable, value); |
2862 | pointer slot = immutable_cons (variable, value); |
2831 | |
2863 | |
2832 | if (is_vector (car (env))) |
2864 | if (is_vector (car (env))) |
2833 | { |
2865 | { |
2834 | int location = hash_fn (symname (variable), veclength (car (env))); |
2866 | int location = sym_hash (variable, veclength (car (env))); |
2835 | |
|
|
2836 | set_vector_elem (car (env), location, immutable_cons (slot, vector_elem (car (env), location))); |
2867 | vector_set (car (env), location, immutable_cons (slot, vector_get (car (env), location))); |
2837 | } |
2868 | } |
2838 | else |
2869 | else |
2839 | set_car (env, immutable_cons (slot, car (env))); |
2870 | set_car (env, immutable_cons (slot, car (env))); |
2840 | } |
2871 | } |
2841 | |
2872 | |
2842 | static pointer |
2873 | static pointer |
2843 | find_slot_in_env (SCHEME_P_ pointer env, pointer hdl, int all) |
2874 | find_slot_in_env (SCHEME_P_ pointer env, pointer hdl, int all) |
2844 | { |
2875 | { |
2845 | pointer x, y; |
2876 | pointer x, y; |
2846 | int location; |
|
|
2847 | |
2877 | |
2848 | for (x = env; x != NIL; x = cdr (x)) |
2878 | for (x = env; x != NIL; x = cdr (x)) |
2849 | { |
2879 | { |
2850 | if (is_vector (car (x))) |
2880 | if (is_vector (car (x))) |
2851 | { |
2881 | { |
2852 | location = hash_fn (symname (hdl), veclength (car (x))); |
2882 | int location = sym_hash (hdl, veclength (car (x))); |
2853 | y = vector_elem (car (x), location); |
2883 | y = vector_get (car (x), location); |
2854 | } |
2884 | } |
2855 | else |
2885 | else |
2856 | y = car (x); |
2886 | y = car (x); |
2857 | |
2887 | |
2858 | for (; y != NIL; y = cdr (y)) |
2888 | for (; y != NIL; y = cdr (y)) |
2859 | if (caar (y) == hdl) |
2889 | if (caar (y) == hdl) |
2860 | break; |
2890 | break; |
2861 | |
2891 | |
2862 | if (y != NIL) |
2892 | if (y != NIL) |
|
|
2893 | return car (y); |
|
|
2894 | |
|
|
2895 | if (!all) |
2863 | break; |
2896 | break; |
2864 | |
|
|
2865 | if (!all) |
|
|
2866 | return NIL; |
|
|
2867 | } |
2897 | } |
2868 | |
|
|
2869 | if (x != NIL) |
|
|
2870 | return car (y); |
|
|
2871 | |
2898 | |
2872 | return NIL; |
2899 | return NIL; |
2873 | } |
2900 | } |
2874 | |
2901 | |
2875 | #else /* USE_ALIST_ENV */ |
2902 | #else /* USE_ALIST_ENV */ |
2876 | |
2903 | |
2877 | static INLINE void |
2904 | ecb_inline void |
2878 | new_frame_in_env (SCHEME_P_ pointer old_env) |
2905 | new_frame_in_env (SCHEME_P_ pointer old_env) |
2879 | { |
2906 | { |
2880 | SCHEME_V->envir = immutable_cons (NIL, old_env); |
2907 | SCHEME_V->envir = immutable_cons (NIL, old_env); |
2881 | setenvironment (SCHEME_V->envir); |
2908 | setenvironment (SCHEME_V->envir); |
2882 | } |
2909 | } |
2883 | |
2910 | |
2884 | static INLINE void |
2911 | ecb_inline void |
2885 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2912 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2886 | { |
2913 | { |
2887 | set_car (env, immutable_cons (immutable_cons (variable, value), car (env))); |
2914 | set_car (env, immutable_cons (immutable_cons (variable, value), car (env))); |
2888 | } |
2915 | } |
2889 | |
2916 | |
… | |
… | |
2897 | for (y = car (x); y != NIL; y = cdr (y)) |
2924 | for (y = car (x); y != NIL; y = cdr (y)) |
2898 | if (caar (y) == hdl) |
2925 | if (caar (y) == hdl) |
2899 | break; |
2926 | break; |
2900 | |
2927 | |
2901 | if (y != NIL) |
2928 | if (y != NIL) |
|
|
2929 | return car (y); |
2902 | break; |
2930 | break; |
2903 | |
2931 | |
2904 | if (!all) |
2932 | if (!all) |
2905 | return NIL; |
2933 | break; |
2906 | } |
2934 | } |
2907 | |
|
|
2908 | if (x != NIL) |
|
|
2909 | return car (y); |
|
|
2910 | |
2935 | |
2911 | return NIL; |
2936 | return NIL; |
2912 | } |
2937 | } |
2913 | |
2938 | |
2914 | #endif /* USE_ALIST_ENV else */ |
2939 | #endif /* USE_ALIST_ENV else */ |
2915 | |
2940 | |
2916 | static INLINE void |
2941 | ecb_inline void |
2917 | new_slot_in_env (SCHEME_P_ pointer variable, pointer value) |
2942 | new_slot_in_env (SCHEME_P_ pointer variable, pointer value) |
2918 | { |
2943 | { |
|
|
2944 | assert (is_symbol (variable));//TODO: bug in current-ws/OP_LET2 |
2919 | new_slot_spec_in_env (SCHEME_A_ SCHEME_V->envir, variable, value); |
2945 | new_slot_spec_in_env (SCHEME_A_ SCHEME_V->envir, variable, value); |
2920 | } |
2946 | } |
2921 | |
2947 | |
2922 | static INLINE void |
2948 | ecb_inline void |
2923 | set_slot_in_env (SCHEME_P_ pointer slot, pointer value) |
2949 | set_slot_in_env (SCHEME_P_ pointer slot, pointer value) |
2924 | { |
2950 | { |
2925 | set_cdr (slot, value); |
2951 | set_cdr (slot, value); |
2926 | } |
2952 | } |
2927 | |
2953 | |
2928 | static INLINE pointer |
2954 | ecb_inline pointer |
2929 | slot_value_in_env (pointer slot) |
2955 | slot_value_in_env (pointer slot) |
2930 | { |
2956 | { |
2931 | return cdr (slot); |
2957 | return cdr (slot); |
2932 | } |
2958 | } |
2933 | |
2959 | |
2934 | /* ========== Evaluation Cycle ========== */ |
2960 | /* ========== Evaluation Cycle ========== */ |
2935 | |
2961 | |
2936 | static pointer |
2962 | static int |
2937 | xError_1 (SCHEME_P_ const char *s, pointer a) |
2963 | xError_1 (SCHEME_P_ const char *s, pointer a) |
2938 | { |
2964 | { |
2939 | #if USE_ERROR_HOOK |
2965 | #if USE_ERROR_HOOK |
2940 | pointer x; |
2966 | pointer x; |
2941 | pointer hdl = SCHEME_V->ERROR_HOOK; |
2967 | pointer hdl = SCHEME_V->ERROR_HOOK; |
… | |
… | |
2976 | code = cons (mk_string (SCHEME_A_ s), code); |
3002 | code = cons (mk_string (SCHEME_A_ s), code); |
2977 | setimmutable (car (code)); |
3003 | setimmutable (car (code)); |
2978 | SCHEME_V->code = cons (slot_value_in_env (x), code); |
3004 | SCHEME_V->code = cons (slot_value_in_env (x), code); |
2979 | SCHEME_V->op = OP_EVAL; |
3005 | SCHEME_V->op = OP_EVAL; |
2980 | |
3006 | |
2981 | return S_T; |
3007 | return 0; |
2982 | } |
3008 | } |
2983 | #endif |
3009 | #endif |
2984 | |
3010 | |
2985 | if (a) |
3011 | if (a) |
2986 | SCHEME_V->args = cons (a, NIL); |
3012 | SCHEME_V->args = cons (a, NIL); |
… | |
… | |
2988 | SCHEME_V->args = NIL; |
3014 | SCHEME_V->args = NIL; |
2989 | |
3015 | |
2990 | SCHEME_V->args = cons (mk_string (SCHEME_A_ s), SCHEME_V->args); |
3016 | SCHEME_V->args = cons (mk_string (SCHEME_A_ s), SCHEME_V->args); |
2991 | setimmutable (car (SCHEME_V->args)); |
3017 | setimmutable (car (SCHEME_V->args)); |
2992 | SCHEME_V->op = OP_ERR0; |
3018 | SCHEME_V->op = OP_ERR0; |
|
|
3019 | |
2993 | return S_T; |
3020 | return 0; |
2994 | } |
3021 | } |
2995 | |
3022 | |
2996 | #define Error_1(s, a) return xError_1(SCHEME_A_ USE_ERROR_CHECKING ? s : "", a) |
3023 | #define Error_1(s, a) return xError_1(SCHEME_A_ USE_ERROR_CHECKING ? s : "", a) |
2997 | #define Error_0(s) Error_1 (s, 0) |
3024 | #define Error_0(s) Error_1 (s, 0) |
2998 | |
3025 | |
2999 | /* Too small to turn into function */ |
3026 | /* Too small to turn into function */ |
3000 | #define BEGIN do { |
3027 | #define BEGIN do { |
3001 | #define END } while (0) |
3028 | #define END } while (0) |
3002 | #define s_goto(a) BEGIN \ |
3029 | #define s_goto(a) BEGIN \ |
3003 | SCHEME_V->op = a; \ |
3030 | SCHEME_V->op = a; \ |
3004 | return S_T; END |
3031 | return 0; END |
3005 | |
3032 | |
3006 | #define s_return(a) return xs_return (SCHEME_A_ a) |
3033 | #define s_return(a) return xs_return (SCHEME_A_ a) |
3007 | |
3034 | |
3008 | #ifndef USE_SCHEME_STACK |
3035 | #ifndef USE_SCHEME_STACK |
3009 | |
3036 | |
… | |
… | |
3039 | next_frame->code = code; |
3066 | next_frame->code = code; |
3040 | |
3067 | |
3041 | SCHEME_V->dump = (pointer)(uintptr_t)(nframes + 1); |
3068 | SCHEME_V->dump = (pointer)(uintptr_t)(nframes + 1); |
3042 | } |
3069 | } |
3043 | |
3070 | |
3044 | static pointer |
3071 | static int |
3045 | xs_return (SCHEME_P_ pointer a) |
3072 | xs_return (SCHEME_P_ pointer a) |
3046 | { |
3073 | { |
3047 | int nframes = (uintptr_t)SCHEME_V->dump; |
3074 | int nframes = (uintptr_t)SCHEME_V->dump; |
3048 | struct dump_stack_frame *frame; |
3075 | struct dump_stack_frame *frame; |
3049 | |
3076 | |
3050 | SCHEME_V->value = a; |
3077 | SCHEME_V->value = a; |
3051 | |
3078 | |
3052 | if (nframes <= 0) |
3079 | if (nframes <= 0) |
3053 | return NIL; |
3080 | return -1; |
3054 | |
3081 | |
3055 | frame = &SCHEME_V->dump_base[--nframes]; |
3082 | frame = &SCHEME_V->dump_base[--nframes]; |
3056 | SCHEME_V->op = frame->op; |
3083 | SCHEME_V->op = frame->op; |
3057 | SCHEME_V->args = frame->args; |
3084 | SCHEME_V->args = frame->args; |
3058 | SCHEME_V->envir = frame->envir; |
3085 | SCHEME_V->envir = frame->envir; |
3059 | SCHEME_V->code = frame->code; |
3086 | SCHEME_V->code = frame->code; |
3060 | SCHEME_V->dump = (pointer)(uintptr_t)nframes; |
3087 | SCHEME_V->dump = (pointer)(uintptr_t)nframes; |
3061 | |
3088 | |
3062 | return S_T; |
3089 | return 0; |
3063 | } |
3090 | } |
3064 | |
3091 | |
3065 | static INLINE void |
3092 | ecb_inline void |
3066 | dump_stack_reset (SCHEME_P) |
3093 | dump_stack_reset (SCHEME_P) |
3067 | { |
3094 | { |
3068 | /* in this implementation, SCHEME_V->dump is the number of frames on the stack */ |
3095 | /* in this implementation, SCHEME_V->dump is the number of frames on the stack */ |
3069 | SCHEME_V->dump = (pointer)+0; |
3096 | SCHEME_V->dump = (pointer)+0; |
3070 | } |
3097 | } |
3071 | |
3098 | |
3072 | static INLINE void |
3099 | ecb_inline void |
3073 | dump_stack_initialize (SCHEME_P) |
3100 | dump_stack_initialize (SCHEME_P) |
3074 | { |
3101 | { |
3075 | SCHEME_V->dump_size = 0; |
3102 | SCHEME_V->dump_size = 0; |
3076 | SCHEME_V->dump_base = 0; |
3103 | SCHEME_V->dump_base = 0; |
3077 | dump_stack_reset (SCHEME_A); |
3104 | dump_stack_reset (SCHEME_A); |
… | |
… | |
3130 | int i = 0; |
3157 | int i = 0; |
3131 | struct dump_stack_frame *frame = SCHEME_V->dump_base; |
3158 | struct dump_stack_frame *frame = SCHEME_V->dump_base; |
3132 | |
3159 | |
3133 | while (cont != NIL) |
3160 | while (cont != NIL) |
3134 | { |
3161 | { |
3135 | frame->op = ivalue (car (cont)); cont = cdr (cont); |
3162 | frame->op = ivalue_unchecked (car (cont)); cont = cdr (cont); |
3136 | frame->args = car (cont) ; cont = cdr (cont); |
3163 | frame->args = car (cont) ; cont = cdr (cont); |
3137 | frame->envir = car (cont) ; cont = cdr (cont); |
3164 | frame->envir = car (cont) ; cont = cdr (cont); |
3138 | frame->code = car (cont) ; cont = cdr (cont); |
3165 | frame->code = car (cont) ; cont = cdr (cont); |
3139 | |
3166 | |
3140 | ++frame; |
3167 | ++frame; |
3141 | ++i; |
3168 | ++i; |
3142 | } |
3169 | } |
3143 | |
3170 | |
3144 | SCHEME_V->dump = (pointer)(uintptr_t)i; |
3171 | SCHEME_V->dump = (pointer)(uintptr_t)i; |
3145 | } |
3172 | } |
3146 | |
3173 | |
3147 | #else |
3174 | #else |
3148 | |
3175 | |
3149 | static INLINE void |
3176 | ecb_inline void |
3150 | dump_stack_reset (SCHEME_P) |
3177 | dump_stack_reset (SCHEME_P) |
3151 | { |
3178 | { |
3152 | SCHEME_V->dump = NIL; |
3179 | SCHEME_V->dump = NIL; |
3153 | } |
3180 | } |
3154 | |
3181 | |
3155 | static INLINE void |
3182 | ecb_inline void |
3156 | dump_stack_initialize (SCHEME_P) |
3183 | dump_stack_initialize (SCHEME_P) |
3157 | { |
3184 | { |
3158 | dump_stack_reset (SCHEME_A); |
3185 | dump_stack_reset (SCHEME_A); |
3159 | } |
3186 | } |
3160 | |
3187 | |
… | |
… | |
3162 | dump_stack_free (SCHEME_P) |
3189 | dump_stack_free (SCHEME_P) |
3163 | { |
3190 | { |
3164 | SCHEME_V->dump = NIL; |
3191 | SCHEME_V->dump = NIL; |
3165 | } |
3192 | } |
3166 | |
3193 | |
3167 | static pointer |
3194 | static int |
3168 | xs_return (SCHEME_P_ pointer a) |
3195 | xs_return (SCHEME_P_ pointer a) |
3169 | { |
3196 | { |
3170 | pointer dump = SCHEME_V->dump; |
3197 | pointer dump = SCHEME_V->dump; |
3171 | |
3198 | |
3172 | SCHEME_V->value = a; |
3199 | SCHEME_V->value = a; |
3173 | |
3200 | |
3174 | if (dump == NIL) |
3201 | if (dump == NIL) |
3175 | return NIL; |
3202 | return -1; |
3176 | |
3203 | |
3177 | SCHEME_V->op = ivalue (car (dump)); dump = cdr (dump); |
3204 | SCHEME_V->op = ivalue_unchecked (car (dump)); dump = cdr (dump); |
3178 | SCHEME_V->args = car (dump) ; dump = cdr (dump); |
3205 | SCHEME_V->args = car (dump) ; dump = cdr (dump); |
3179 | SCHEME_V->envir = car (dump) ; dump = cdr (dump); |
3206 | SCHEME_V->envir = car (dump) ; dump = cdr (dump); |
3180 | SCHEME_V->code = car (dump) ; dump = cdr (dump); |
3207 | SCHEME_V->code = car (dump) ; dump = cdr (dump); |
3181 | |
3208 | |
3182 | SCHEME_V->dump = dump; |
3209 | SCHEME_V->dump = dump; |
3183 | |
3210 | |
3184 | return S_T; |
3211 | return 0; |
3185 | } |
3212 | } |
3186 | |
3213 | |
3187 | static void |
3214 | static void |
3188 | s_save (SCHEME_P_ enum scheme_opcodes op, pointer args, pointer code) |
3215 | s_save (SCHEME_P_ enum scheme_opcodes op, pointer args, pointer code) |
3189 | { |
3216 | { |
… | |
… | |
3214 | |
3241 | |
3215 | #endif |
3242 | #endif |
3216 | |
3243 | |
3217 | #define s_retbool(tf) s_return ((tf) ? S_T : S_F) |
3244 | #define s_retbool(tf) s_return ((tf) ? S_T : S_F) |
3218 | |
3245 | |
|
|
3246 | #if 1 |
3219 | static pointer |
3247 | static int |
|
|
3248 | debug (SCHEME_P_ int indent, pointer x) |
|
|
3249 | { |
|
|
3250 | int c; |
|
|
3251 | |
|
|
3252 | if (is_syntax (x)) |
|
|
3253 | { |
|
|
3254 | printf ("%*ssyntax<%s,%d>\n", indent, "", syntaxname(x),syntaxnum(x)); |
|
|
3255 | return 8 + 8; |
|
|
3256 | } |
|
|
3257 | |
|
|
3258 | if (x == NIL) |
|
|
3259 | { |
|
|
3260 | printf ("%*sNIL\n", indent, ""); |
|
|
3261 | return 3; |
|
|
3262 | } |
|
|
3263 | |
|
|
3264 | switch (type (x)) |
|
|
3265 | { |
|
|
3266 | case T_INTEGER: |
|
|
3267 | printf ("%*sI<%d>%p\n", indent, "", (int)ivalue_unchecked (x), x); |
|
|
3268 | return 32+8; |
|
|
3269 | |
|
|
3270 | case T_SYMBOL: |
|
|
3271 | printf ("%*sS<%s>\n", indent, "", symname (x)); |
|
|
3272 | return 24+8; |
|
|
3273 | |
|
|
3274 | case T_CLOSURE: |
|
|
3275 | printf ("%*sS<%s>\n", indent, "", "closure"); |
|
|
3276 | debug (SCHEME_A_ indent + 3, cdr(x)); |
|
|
3277 | return 32 + debug (SCHEME_A_ indent + 3, car (x)); |
|
|
3278 | |
|
|
3279 | case T_PAIR: |
|
|
3280 | printf ("%*spair %p %p\n", indent, "", car(x),cdr(x)); |
|
|
3281 | c = debug (SCHEME_A_ indent + 3, car (x)); |
|
|
3282 | c += debug (SCHEME_A_ indent + 3, cdr (x)); |
|
|
3283 | return c + 1; |
|
|
3284 | |
|
|
3285 | case T_PORT: |
|
|
3286 | printf ("%*sS<%s>\n", indent, "", "port"); |
|
|
3287 | return 24+8; |
|
|
3288 | |
|
|
3289 | case T_VECTOR: |
|
|
3290 | printf ("%*sS<%s>\n", indent, "", "vector"); |
|
|
3291 | return 24+8; |
|
|
3292 | |
|
|
3293 | case T_ENVIRONMENT: |
|
|
3294 | printf ("%*sS<%s>\n", indent, "", "environment"); |
|
|
3295 | return 0 + debug (SCHEME_A_ indent + 3, car (x)); |
|
|
3296 | |
|
|
3297 | default: |
|
|
3298 | printf ("unhandled type %d\n", type (x)); |
|
|
3299 | break; |
|
|
3300 | } |
|
|
3301 | } |
|
|
3302 | #endif |
|
|
3303 | |
|
|
3304 | static int |
3220 | opexe_0 (SCHEME_P_ enum scheme_opcodes op) |
3305 | opexe_0 (SCHEME_P_ enum scheme_opcodes op) |
3221 | { |
3306 | { |
3222 | pointer args = SCHEME_V->args; |
3307 | pointer args = SCHEME_V->args; |
3223 | pointer x, y; |
3308 | pointer x, y; |
3224 | |
3309 | |
3225 | switch (op) |
3310 | switch (op) |
3226 | { |
3311 | { |
|
|
3312 | #if 1 //D |
|
|
3313 | case OP_DEBUG: |
|
|
3314 | printf ("len = %d\n", debug (SCHEME_A_ 0, args) / 8); |
|
|
3315 | printf ("\n"); |
|
|
3316 | s_return (S_T); |
|
|
3317 | #endif |
3227 | case OP_LOAD: /* load */ |
3318 | case OP_LOAD: /* load */ |
3228 | if (file_interactive (SCHEME_A)) |
3319 | if (file_interactive (SCHEME_A)) |
3229 | { |
3320 | { |
3230 | xwrstr ("Loading "); xwrstr (strvalue (car (args))); xwrstr ("\n"); |
3321 | xwrstr ("Loading "); xwrstr (strvalue (car (args))); xwrstr ("\n"); |
3231 | //D fprintf (SCHEME_V->outport->object.port->rep.stdio.file, "Loading %s\n", strvalue (car (args))); |
3322 | //D fprintf (SCHEME_V->outport->object.port->rep.stdio.file, "Loading %s\n", strvalue (car (args))); |
… | |
… | |
3354 | } |
3445 | } |
3355 | else |
3446 | else |
3356 | s_return (SCHEME_V->code); |
3447 | s_return (SCHEME_V->code); |
3357 | |
3448 | |
3358 | case OP_E0ARGS: /* eval arguments */ |
3449 | case OP_E0ARGS: /* eval arguments */ |
3359 | if (is_macro (SCHEME_V->value)) /* macro expansion */ |
3450 | if (ecb_expect_false (is_macro (SCHEME_V->value))) /* macro expansion */ |
3360 | { |
3451 | { |
3361 | s_save (SCHEME_A_ OP_DOMACRO, NIL, NIL); |
3452 | s_save (SCHEME_A_ OP_DOMACRO, NIL, NIL); |
3362 | SCHEME_V->args = cons (SCHEME_V->code, NIL); |
3453 | SCHEME_V->args = cons (SCHEME_V->code, NIL); |
3363 | SCHEME_V->code = SCHEME_V->value; |
3454 | SCHEME_V->code = SCHEME_V->value; |
3364 | s_goto (OP_APPLY); |
3455 | s_goto (OP_APPLY); |
… | |
… | |
3391 | |
3482 | |
3392 | case OP_TRACING: |
3483 | case OP_TRACING: |
3393 | { |
3484 | { |
3394 | int tr = SCHEME_V->tracing; |
3485 | int tr = SCHEME_V->tracing; |
3395 | |
3486 | |
3396 | SCHEME_V->tracing = ivalue (car (args)); |
3487 | SCHEME_V->tracing = ivalue_unchecked (car (args)); |
3397 | s_return (mk_integer (SCHEME_A_ tr)); |
3488 | s_return (mk_integer (SCHEME_A_ tr)); |
3398 | } |
3489 | } |
3399 | |
3490 | |
3400 | #endif |
3491 | #endif |
3401 | |
3492 | |
… | |
… | |
3413 | /* fall through */ |
3504 | /* fall through */ |
3414 | |
3505 | |
3415 | case OP_REAL_APPLY: |
3506 | case OP_REAL_APPLY: |
3416 | #endif |
3507 | #endif |
3417 | if (is_proc (SCHEME_V->code)) |
3508 | if (is_proc (SCHEME_V->code)) |
3418 | { |
|
|
3419 | s_goto (procnum (SCHEME_V->code)); /* PROCEDURE */ |
3509 | s_goto (procnum (SCHEME_V->code)); /* PROCEDURE */ |
3420 | } |
|
|
3421 | else if (is_foreign (SCHEME_V->code)) |
3510 | else if (is_foreign (SCHEME_V->code)) |
3422 | { |
3511 | { |
3423 | /* Keep nested calls from GC'ing the arglist */ |
3512 | /* Keep nested calls from GC'ing the arglist */ |
3424 | push_recent_alloc (SCHEME_A_ args, NIL); |
3513 | push_recent_alloc (SCHEME_A_ args, NIL); |
3425 | x = SCHEME_V->code->object.ff (SCHEME_A_ args); |
3514 | x = SCHEME_V->code->object.ff (SCHEME_A_ args); |
… | |
… | |
3592 | |
3681 | |
3593 | case OP_IF1: /* if */ |
3682 | case OP_IF1: /* if */ |
3594 | if (is_true (SCHEME_V->value)) |
3683 | if (is_true (SCHEME_V->value)) |
3595 | SCHEME_V->code = car (SCHEME_V->code); |
3684 | SCHEME_V->code = car (SCHEME_V->code); |
3596 | else |
3685 | else |
3597 | SCHEME_V->code = cadr (SCHEME_V->code); /* (if #f 1) ==> () because |
3686 | SCHEME_V->code = cadr (SCHEME_V->code); /* (if #f 1) ==> () because * car(NIL) = NIL */ |
3598 | |
|
|
3599 | * car(NIL) = NIL */ |
|
|
3600 | s_goto (OP_EVAL); |
3687 | s_goto (OP_EVAL); |
3601 | |
3688 | |
3602 | case OP_LET0: /* let */ |
3689 | case OP_LET0: /* let */ |
3603 | SCHEME_V->args = NIL; |
3690 | SCHEME_V->args = NIL; |
3604 | SCHEME_V->value = SCHEME_V->code; |
3691 | SCHEME_V->value = SCHEME_V->code; |
… | |
… | |
3914 | SCHEME_V->code = car (args); |
4001 | SCHEME_V->code = car (args); |
3915 | SCHEME_V->args = cons (mk_continuation (SCHEME_A_ ss_get_cont (SCHEME_A)), NIL); |
4002 | SCHEME_V->args = cons (mk_continuation (SCHEME_A_ ss_get_cont (SCHEME_A)), NIL); |
3916 | s_goto (OP_APPLY); |
4003 | s_goto (OP_APPLY); |
3917 | } |
4004 | } |
3918 | |
4005 | |
3919 | abort (); |
4006 | if (USE_ERROR_CHECKING) abort (); |
3920 | } |
4007 | } |
3921 | |
4008 | |
3922 | static pointer |
4009 | static int |
3923 | opexe_2 (SCHEME_P_ enum scheme_opcodes op) |
4010 | opexe_1 (SCHEME_P_ enum scheme_opcodes op) |
3924 | { |
4011 | { |
3925 | pointer args = SCHEME_V->args; |
4012 | pointer args = SCHEME_V->args; |
3926 | pointer x = car (args); |
4013 | pointer x = car (args); |
3927 | num v; |
4014 | num v; |
3928 | |
4015 | |
3929 | #if USE_MATH |
|
|
3930 | RVALUE dd; |
|
|
3931 | #endif |
|
|
3932 | |
|
|
3933 | switch (op) |
4016 | switch (op) |
3934 | { |
4017 | { |
3935 | #if USE_MATH |
4018 | #if USE_MATH |
3936 | case OP_INEX2EX: /* inexact->exact */ |
4019 | case OP_INEX2EX: /* inexact->exact */ |
|
|
4020 | { |
3937 | if (num_is_integer (x)) |
4021 | if (is_integer (x)) |
3938 | s_return (x); |
4022 | s_return (x); |
3939 | else if (modf (rvalue_unchecked (x), &dd) == 0) |
4023 | |
|
|
4024 | RVALUE r = rvalue_unchecked (x); |
|
|
4025 | |
|
|
4026 | if (r == (RVALUE)(IVALUE)r) |
3940 | s_return (mk_integer (SCHEME_A_ ivalue (x))); |
4027 | s_return (mk_integer (SCHEME_A_ rvalue_unchecked (x))); |
3941 | else |
4028 | else |
3942 | Error_1 ("inexact->exact: not integral:", x); |
4029 | Error_1 ("inexact->exact: not integral:", x); |
|
|
4030 | } |
3943 | |
4031 | |
3944 | case OP_EXP: s_return (mk_real (SCHEME_A_ exp (rvalue (x)))); |
4032 | case OP_EXP: s_return (mk_real (SCHEME_A_ exp (rvalue (x)))); |
3945 | case OP_LOG: s_return (mk_real (SCHEME_A_ log (rvalue (x)))); |
4033 | case OP_LOG: s_return (mk_real (SCHEME_A_ log (rvalue (x)))); |
3946 | case OP_SIN: s_return (mk_real (SCHEME_A_ sin (rvalue (x)))); |
4034 | case OP_SIN: s_return (mk_real (SCHEME_A_ sin (rvalue (x)))); |
3947 | case OP_COS: s_return (mk_real (SCHEME_A_ cos (rvalue (x)))); |
4035 | case OP_COS: s_return (mk_real (SCHEME_A_ cos (rvalue (x)))); |
… | |
… | |
3965 | { |
4053 | { |
3966 | RVALUE result; |
4054 | RVALUE result; |
3967 | int real_result = 1; |
4055 | int real_result = 1; |
3968 | pointer y = cadr (args); |
4056 | pointer y = cadr (args); |
3969 | |
4057 | |
3970 | if (num_is_integer (x) && num_is_integer (y)) |
4058 | if (is_integer (x) && is_integer (y)) |
3971 | real_result = 0; |
4059 | real_result = 0; |
3972 | |
4060 | |
3973 | /* This 'if' is an R5RS compatibility fix. */ |
4061 | /* This 'if' is an R5RS compatibility fix. */ |
3974 | /* NOTE: Remove this 'if' fix for R6RS. */ |
4062 | /* NOTE: Remove this 'if' fix for R6RS. */ |
3975 | if (rvalue (x) == 0 && rvalue (y) < 0) |
4063 | if (rvalue (x) == 0 && rvalue (y) < 0) |
… | |
… | |
3981 | /* If the test fails, result is too big for integer. */ |
4069 | /* If the test fails, result is too big for integer. */ |
3982 | if (!real_result) |
4070 | if (!real_result) |
3983 | { |
4071 | { |
3984 | long result_as_long = result; |
4072 | long result_as_long = result; |
3985 | |
4073 | |
3986 | if (result != (RVALUE) result_as_long) |
4074 | if (result != result_as_long) |
3987 | real_result = 1; |
4075 | real_result = 1; |
3988 | } |
4076 | } |
3989 | |
4077 | |
3990 | if (real_result) |
4078 | if (real_result) |
3991 | s_return (mk_real (SCHEME_A_ result)); |
4079 | s_return (mk_real (SCHEME_A_ result)); |
… | |
… | |
3996 | case OP_FLOOR: s_return (mk_real (SCHEME_A_ floor (rvalue (x)))); |
4084 | case OP_FLOOR: s_return (mk_real (SCHEME_A_ floor (rvalue (x)))); |
3997 | case OP_CEILING: s_return (mk_real (SCHEME_A_ ceil (rvalue (x)))); |
4085 | case OP_CEILING: s_return (mk_real (SCHEME_A_ ceil (rvalue (x)))); |
3998 | |
4086 | |
3999 | case OP_TRUNCATE: |
4087 | case OP_TRUNCATE: |
4000 | { |
4088 | { |
4001 | RVALUE rvalue_of_x; |
4089 | RVALUE n = rvalue (x); |
4002 | |
|
|
4003 | rvalue_of_x = rvalue (x); |
|
|
4004 | |
|
|
4005 | if (rvalue_of_x > 0) |
|
|
4006 | s_return (mk_real (SCHEME_A_ floor (rvalue_of_x))); |
4090 | s_return (mk_real (SCHEME_A_ n > 0 ? floor (n) : ceil (n))); |
4007 | else |
|
|
4008 | s_return (mk_real (SCHEME_A_ ceil (rvalue_of_x))); |
|
|
4009 | } |
4091 | } |
4010 | |
4092 | |
4011 | case OP_ROUND: |
4093 | case OP_ROUND: |
4012 | if (num_is_integer (x)) |
4094 | if (is_integer (x)) |
4013 | s_return (x); |
4095 | s_return (x); |
4014 | |
4096 | |
4015 | s_return (mk_real (SCHEME_A_ round_per_R5RS (rvalue (x)))); |
4097 | s_return (mk_real (SCHEME_A_ round_per_R5RS (rvalue (x)))); |
4016 | #endif |
4098 | #endif |
4017 | |
4099 | |
4018 | case OP_ADD: /* + */ |
4100 | case OP_ADD: /* + */ |
4019 | v = num_zero; |
4101 | v = num_zero; |
4020 | |
4102 | |
4021 | for (x = args; x != NIL; x = cdr (x)) |
4103 | for (x = args; x != NIL; x = cdr (x)) |
4022 | v = num_op ('+', v, nvalue (car (x))); |
4104 | v = num_op (NUM_ADD, v, nvalue (car (x))); |
4023 | |
4105 | |
4024 | s_return (mk_number (SCHEME_A_ v)); |
4106 | s_return (mk_number (SCHEME_A_ v)); |
4025 | |
4107 | |
4026 | case OP_MUL: /* * */ |
4108 | case OP_MUL: /* * */ |
4027 | v = num_one; |
4109 | v = num_one; |
4028 | |
4110 | |
4029 | for (x = args; x != NIL; x = cdr (x)) |
4111 | for (x = args; x != NIL; x = cdr (x)) |
4030 | v = num_op ('+', v, nvalue (car (x))); |
4112 | v = num_op (NUM_MUL, v, nvalue (car (x))); |
4031 | |
4113 | |
4032 | s_return (mk_number (SCHEME_A_ v)); |
4114 | s_return (mk_number (SCHEME_A_ v)); |
4033 | |
4115 | |
4034 | case OP_SUB: /* - */ |
4116 | case OP_SUB: /* - */ |
4035 | if (cdr (args) == NIL) |
4117 | if (cdr (args) == NIL) |
… | |
… | |
4042 | x = cdr (args); |
4124 | x = cdr (args); |
4043 | v = nvalue (car (args)); |
4125 | v = nvalue (car (args)); |
4044 | } |
4126 | } |
4045 | |
4127 | |
4046 | for (; x != NIL; x = cdr (x)) |
4128 | for (; x != NIL; x = cdr (x)) |
4047 | v = num_op ('+', v, nvalue (car (x))); |
4129 | v = num_op (NUM_SUB, v, nvalue (car (x))); |
4048 | |
4130 | |
4049 | s_return (mk_number (SCHEME_A_ v)); |
4131 | s_return (mk_number (SCHEME_A_ v)); |
4050 | |
4132 | |
4051 | case OP_DIV: /* / */ |
4133 | case OP_DIV: /* / */ |
4052 | if (cdr (args) == NIL) |
4134 | if (cdr (args) == NIL) |
… | |
… | |
4059 | x = cdr (args); |
4141 | x = cdr (args); |
4060 | v = nvalue (car (args)); |
4142 | v = nvalue (car (args)); |
4061 | } |
4143 | } |
4062 | |
4144 | |
4063 | for (; x != NIL; x = cdr (x)) |
4145 | for (; x != NIL; x = cdr (x)) |
4064 | { |
|
|
4065 | if (!is_zero_rvalue (rvalue (car (x)))) |
4146 | if (!is_zero_rvalue (rvalue (car (x)))) |
4066 | v = num_div (v, nvalue (car (x))); |
4147 | v = num_div (v, nvalue (car (x))); |
4067 | else |
4148 | else |
4068 | Error_0 ("/: division by zero"); |
4149 | Error_0 ("/: division by zero"); |
4069 | } |
|
|
4070 | |
4150 | |
4071 | s_return (mk_number (SCHEME_A_ v)); |
4151 | s_return (mk_number (SCHEME_A_ v)); |
4072 | |
4152 | |
4073 | case OP_INTDIV: /* quotient */ |
4153 | case OP_INTDIV: /* quotient */ |
4074 | if (cdr (args) == NIL) |
4154 | if (cdr (args) == NIL) |
… | |
… | |
4083 | } |
4163 | } |
4084 | |
4164 | |
4085 | for (; x != NIL; x = cdr (x)) |
4165 | for (; x != NIL; x = cdr (x)) |
4086 | { |
4166 | { |
4087 | if (ivalue (car (x)) != 0) |
4167 | if (ivalue (car (x)) != 0) |
4088 | v = num_op ('/', v, nvalue (car (x))); |
4168 | v = num_op (NUM_INTDIV, v, nvalue (car (x))); |
4089 | else |
4169 | else |
4090 | Error_0 ("quotient: division by zero"); |
4170 | Error_0 ("quotient: division by zero"); |
4091 | } |
4171 | } |
4092 | |
4172 | |
4093 | s_return (mk_number (SCHEME_A_ v)); |
4173 | s_return (mk_number (SCHEME_A_ v)); |
… | |
… | |
4139 | } |
4219 | } |
4140 | else |
4220 | else |
4141 | Error_0 ("set-cdr!: unable to alter immutable pair"); |
4221 | Error_0 ("set-cdr!: unable to alter immutable pair"); |
4142 | |
4222 | |
4143 | case OP_CHAR2INT: /* char->integer */ |
4223 | case OP_CHAR2INT: /* char->integer */ |
4144 | s_return (mk_integer (SCHEME_A_ ivalue (x))); |
4224 | s_return (mk_integer (SCHEME_A_ ivalue_unchecked (x))); |
4145 | |
4225 | |
4146 | case OP_INT2CHAR: /* integer->char */ |
4226 | case OP_INT2CHAR: /* integer->char */ |
4147 | s_return (mk_character (SCHEME_A_ ivalue (x))); |
4227 | s_return (mk_character (SCHEME_A_ ivalue_unchecked (x))); |
4148 | |
4228 | |
4149 | case OP_CHARUPCASE: |
4229 | case OP_CHARUPCASE: |
4150 | { |
4230 | { |
4151 | unsigned char c = ivalue (x); |
4231 | unsigned char c = ivalue_unchecked (x); |
4152 | c = toupper (c); |
4232 | c = toupper (c); |
4153 | s_return (mk_character (SCHEME_A_ c)); |
4233 | s_return (mk_character (SCHEME_A_ c)); |
4154 | } |
4234 | } |
4155 | |
4235 | |
4156 | case OP_CHARDNCASE: |
4236 | case OP_CHARDNCASE: |
4157 | { |
4237 | { |
4158 | unsigned char c = ivalue (x); |
4238 | unsigned char c = ivalue_unchecked (x); |
4159 | c = tolower (c); |
4239 | c = tolower (c); |
4160 | s_return (mk_character (SCHEME_A_ c)); |
4240 | s_return (mk_character (SCHEME_A_ c)); |
4161 | } |
4241 | } |
4162 | |
4242 | |
4163 | case OP_STR2SYM: /* string->symbol */ |
4243 | case OP_STR2SYM: /* string->symbol */ |
… | |
… | |
4240 | Error_1 ("atom->string: not an atom:", x); |
4320 | Error_1 ("atom->string: not an atom:", x); |
4241 | } |
4321 | } |
4242 | |
4322 | |
4243 | case OP_MKSTRING: /* make-string */ |
4323 | case OP_MKSTRING: /* make-string */ |
4244 | { |
4324 | { |
4245 | int fill = ' '; |
4325 | int fill = cdr (args) != NIL ? charvalue (cadr (args)) : ' '; |
4246 | int len; |
|
|
4247 | |
|
|
4248 | len = ivalue (x); |
4326 | int len = ivalue_unchecked (x); |
4249 | |
|
|
4250 | if (cdr (args) != NIL) |
|
|
4251 | fill = charvalue (cadr (args)); |
|
|
4252 | |
4327 | |
4253 | s_return (mk_empty_string (SCHEME_A_ len, fill)); |
4328 | s_return (mk_empty_string (SCHEME_A_ len, fill)); |
4254 | } |
4329 | } |
4255 | |
4330 | |
4256 | case OP_STRLEN: /* string-length */ |
4331 | case OP_STRLEN: /* string-length */ |
4257 | s_return (mk_integer (SCHEME_A_ strlength (x))); |
4332 | s_return (mk_integer (SCHEME_A_ strlength (x))); |
4258 | |
4333 | |
4259 | case OP_STRREF: /* string-ref */ |
4334 | case OP_STRREF: /* string-ref */ |
4260 | { |
4335 | { |
4261 | char *str; |
|
|
4262 | int index; |
|
|
4263 | |
|
|
4264 | str = strvalue (x); |
4336 | char *str = strvalue (x); |
4265 | |
|
|
4266 | index = ivalue (cadr (args)); |
4337 | int index = ivalue_unchecked (cadr (args)); |
4267 | |
4338 | |
4268 | if (index >= strlength (x)) |
4339 | if (index >= strlength (x)) |
4269 | Error_1 ("string-ref: out of bounds:", cadr (args)); |
4340 | Error_1 ("string-ref: out of bounds:", cadr (args)); |
4270 | |
4341 | |
4271 | s_return (mk_character (SCHEME_A_ ((unsigned char *)str)[index])); |
4342 | s_return (mk_character (SCHEME_A_ ((unsigned char *)str)[index])); |
4272 | } |
4343 | } |
4273 | |
4344 | |
4274 | case OP_STRSET: /* string-set! */ |
4345 | case OP_STRSET: /* string-set! */ |
4275 | { |
4346 | { |
4276 | char *str; |
4347 | char *str = strvalue (x); |
4277 | int index; |
4348 | int index = ivalue_unchecked (cadr (args)); |
4278 | int c; |
4349 | int c; |
4279 | |
4350 | |
4280 | if (is_immutable (x)) |
4351 | if (is_immutable (x)) |
4281 | Error_1 ("string-set!: unable to alter immutable string:", x); |
4352 | Error_1 ("string-set!: unable to alter immutable string:", x); |
4282 | |
|
|
4283 | str = strvalue (x); |
|
|
4284 | |
|
|
4285 | index = ivalue (cadr (args)); |
|
|
4286 | |
4353 | |
4287 | if (index >= strlength (x)) |
4354 | if (index >= strlength (x)) |
4288 | Error_1 ("string-set!: out of bounds:", cadr (args)); |
4355 | Error_1 ("string-set!: out of bounds:", cadr (args)); |
4289 | |
4356 | |
4290 | c = charvalue (caddr (args)); |
4357 | c = charvalue (caddr (args)); |
… | |
… | |
4313 | s_return (newstr); |
4380 | s_return (newstr); |
4314 | } |
4381 | } |
4315 | |
4382 | |
4316 | case OP_SUBSTR: /* substring */ |
4383 | case OP_SUBSTR: /* substring */ |
4317 | { |
4384 | { |
4318 | char *str; |
4385 | char *str = strvalue (x); |
4319 | int index0; |
4386 | int index0 = ivalue_unchecked (cadr (args)); |
4320 | int index1; |
4387 | int index1; |
4321 | int len; |
4388 | int len; |
4322 | |
4389 | |
4323 | str = strvalue (x); |
|
|
4324 | |
|
|
4325 | index0 = ivalue (cadr (args)); |
|
|
4326 | |
|
|
4327 | if (index0 > strlength (x)) |
4390 | if (index0 > strlength (x)) |
4328 | Error_1 ("substring: start out of bounds:", cadr (args)); |
4391 | Error_1 ("substring: start out of bounds:", cadr (args)); |
4329 | |
4392 | |
4330 | if (cddr (args) != NIL) |
4393 | if (cddr (args) != NIL) |
4331 | { |
4394 | { |
4332 | index1 = ivalue (caddr (args)); |
4395 | index1 = ivalue_unchecked (caddr (args)); |
4333 | |
4396 | |
4334 | if (index1 > strlength (x) || index1 < index0) |
4397 | if (index1 > strlength (x) || index1 < index0) |
4335 | Error_1 ("substring: end out of bounds:", caddr (args)); |
4398 | Error_1 ("substring: end out of bounds:", caddr (args)); |
4336 | } |
4399 | } |
4337 | else |
4400 | else |
… | |
… | |
4360 | if (SCHEME_V->no_memory) |
4423 | if (SCHEME_V->no_memory) |
4361 | s_return (S_SINK); |
4424 | s_return (S_SINK); |
4362 | #endif |
4425 | #endif |
4363 | |
4426 | |
4364 | for (x = args, i = 0; is_pair (x); x = cdr (x), i++) |
4427 | for (x = args, i = 0; is_pair (x); x = cdr (x), i++) |
4365 | set_vector_elem (vec, i, car (x)); |
4428 | vector_set (vec, i, car (x)); |
4366 | |
4429 | |
4367 | s_return (vec); |
4430 | s_return (vec); |
4368 | } |
4431 | } |
4369 | |
4432 | |
4370 | case OP_MKVECTOR: /* make-vector */ |
4433 | case OP_MKVECTOR: /* make-vector */ |
4371 | { |
4434 | { |
4372 | pointer fill = NIL; |
4435 | pointer fill = NIL; |
4373 | int len; |
|
|
4374 | pointer vec; |
4436 | pointer vec; |
4375 | |
|
|
4376 | len = ivalue (x); |
4437 | int len = ivalue_unchecked (x); |
4377 | |
4438 | |
4378 | if (cdr (args) != NIL) |
4439 | if (cdr (args) != NIL) |
4379 | fill = cadr (args); |
4440 | fill = cadr (args); |
4380 | |
4441 | |
4381 | vec = mk_vector (SCHEME_A_ len); |
4442 | vec = mk_vector (SCHEME_A_ len); |
… | |
… | |
4384 | if (SCHEME_V->no_memory) |
4445 | if (SCHEME_V->no_memory) |
4385 | s_return (S_SINK); |
4446 | s_return (S_SINK); |
4386 | #endif |
4447 | #endif |
4387 | |
4448 | |
4388 | if (fill != NIL) |
4449 | if (fill != NIL) |
4389 | fill_vector (vec, fill); |
4450 | fill_vector (vec, 0, fill); |
4390 | |
4451 | |
4391 | s_return (vec); |
4452 | s_return (vec); |
4392 | } |
4453 | } |
4393 | |
4454 | |
4394 | case OP_VECLEN: /* vector-length */ |
4455 | case OP_VECLEN: /* vector-length */ |
4395 | s_return (mk_integer (SCHEME_A_ veclength (x))); |
4456 | s_return (mk_integer (SCHEME_A_ veclength (x))); |
4396 | |
4457 | |
|
|
4458 | case OP_VECRESIZE: |
|
|
4459 | vector_resize (x, ivalue_unchecked (cadr (args)), caddr (args)); |
|
|
4460 | s_return (x); |
|
|
4461 | |
4397 | case OP_VECREF: /* vector-ref */ |
4462 | case OP_VECREF: /* vector-ref */ |
4398 | { |
4463 | { |
4399 | int index; |
|
|
4400 | |
|
|
4401 | index = ivalue (cadr (args)); |
4464 | int index = ivalue_unchecked (cadr (args)); |
4402 | |
4465 | |
4403 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4466 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4404 | Error_1 ("vector-ref: out of bounds:", cadr (args)); |
4467 | Error_1 ("vector-ref: out of bounds:", cadr (args)); |
4405 | |
4468 | |
4406 | s_return (vector_elem (x, index)); |
4469 | s_return (vector_get (x, index)); |
4407 | } |
4470 | } |
4408 | |
4471 | |
4409 | case OP_VECSET: /* vector-set! */ |
4472 | case OP_VECSET: /* vector-set! */ |
4410 | { |
4473 | { |
4411 | int index; |
4474 | int index = ivalue_unchecked (cadr (args)); |
4412 | |
4475 | |
4413 | if (is_immutable (x)) |
4476 | if (is_immutable (x)) |
4414 | Error_1 ("vector-set!: unable to alter immutable vector:", x); |
4477 | Error_1 ("vector-set!: unable to alter immutable vector:", x); |
4415 | |
4478 | |
4416 | index = ivalue (cadr (args)); |
|
|
4417 | |
|
|
4418 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4479 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4419 | Error_1 ("vector-set!: out of bounds:", cadr (args)); |
4480 | Error_1 ("vector-set!: out of bounds:", cadr (args)); |
4420 | |
4481 | |
4421 | set_vector_elem (x, index, caddr (args)); |
4482 | vector_set (x, index, caddr (args)); |
4422 | s_return (x); |
4483 | s_return (x); |
4423 | } |
4484 | } |
4424 | } |
4485 | } |
4425 | |
4486 | |
4426 | return S_T; |
4487 | if (USE_ERROR_CHECKING) abort (); |
4427 | } |
4488 | } |
4428 | |
4489 | |
4429 | INTERFACE int |
|
|
4430 | is_list (SCHEME_P_ pointer a) |
|
|
4431 | { |
|
|
4432 | return list_length (SCHEME_A_ a) >= 0; |
|
|
4433 | } |
|
|
4434 | |
|
|
4435 | /* Result is: |
|
|
4436 | proper list: length |
|
|
4437 | circular list: -1 |
|
|
4438 | not even a pair: -2 |
|
|
4439 | dotted list: -2 minus length before dot |
|
|
4440 | */ |
|
|
4441 | INTERFACE int |
|
|
4442 | list_length (SCHEME_P_ pointer a) |
|
|
4443 | { |
|
|
4444 | int i = 0; |
|
|
4445 | pointer slow, fast; |
|
|
4446 | |
|
|
4447 | slow = fast = a; |
|
|
4448 | |
|
|
4449 | while (1) |
|
|
4450 | { |
|
|
4451 | if (fast == NIL) |
|
|
4452 | return i; |
|
|
4453 | |
|
|
4454 | if (!is_pair (fast)) |
|
|
4455 | return -2 - i; |
|
|
4456 | |
|
|
4457 | fast = cdr (fast); |
|
|
4458 | ++i; |
|
|
4459 | |
|
|
4460 | if (fast == NIL) |
|
|
4461 | return i; |
|
|
4462 | |
|
|
4463 | if (!is_pair (fast)) |
|
|
4464 | return -2 - i; |
|
|
4465 | |
|
|
4466 | ++i; |
|
|
4467 | fast = cdr (fast); |
|
|
4468 | |
|
|
4469 | /* Safe because we would have already returned if `fast' |
|
|
4470 | encountered a non-pair. */ |
|
|
4471 | slow = cdr (slow); |
|
|
4472 | |
|
|
4473 | if (fast == slow) |
|
|
4474 | { |
|
|
4475 | /* the fast pointer has looped back around and caught up |
|
|
4476 | with the slow pointer, hence the structure is circular, |
|
|
4477 | not of finite length, and therefore not a list */ |
|
|
4478 | return -1; |
|
|
4479 | } |
|
|
4480 | } |
|
|
4481 | } |
|
|
4482 | |
|
|
4483 | static pointer |
4490 | static int |
4484 | opexe_r (SCHEME_P_ enum scheme_opcodes op) |
4491 | opexe_2 (SCHEME_P_ enum scheme_opcodes op) |
4485 | { |
4492 | { |
4486 | pointer x = SCHEME_V->args; |
4493 | pointer x = SCHEME_V->args; |
4487 | |
4494 | |
4488 | for (;;) |
4495 | for (;;) |
4489 | { |
4496 | { |
… | |
… | |
4509 | } |
4516 | } |
4510 | |
4517 | |
4511 | s_return (S_T); |
4518 | s_return (S_T); |
4512 | } |
4519 | } |
4513 | |
4520 | |
4514 | static pointer |
4521 | static int |
4515 | opexe_3 (SCHEME_P_ enum scheme_opcodes op) |
4522 | opexe_3 (SCHEME_P_ enum scheme_opcodes op) |
4516 | { |
4523 | { |
4517 | pointer args = SCHEME_V->args; |
4524 | pointer args = SCHEME_V->args; |
4518 | pointer a = car (args); |
4525 | pointer a = car (args); |
4519 | pointer d = cdr (args); |
4526 | pointer d = cdr (args); |
… | |
… | |
4531 | case OP_INTEGERP: /* integer? */ r = is_integer (a) ; break; |
4538 | case OP_INTEGERP: /* integer? */ r = is_integer (a) ; break; |
4532 | case OP_REALP: /* real? */ r = is_number (a) ; break; /* all numbers are real */ |
4539 | case OP_REALP: /* real? */ r = is_number (a) ; break; /* all numbers are real */ |
4533 | case OP_CHARP: /* char? */ r = is_character (a) ; break; |
4540 | case OP_CHARP: /* char? */ r = is_character (a) ; break; |
4534 | |
4541 | |
4535 | #if USE_CHAR_CLASSIFIERS |
4542 | #if USE_CHAR_CLASSIFIERS |
4536 | case OP_CHARAP: /* char-alphabetic? */ r = Cisalpha (ivalue (a)); break; |
4543 | case OP_CHARAP: /* char-alphabetic? */ r = Cisalpha (ivalue_unchecked (a)); break; |
4537 | case OP_CHARNP: /* char-numeric? */ r = Cisdigit (ivalue (a)); break; |
4544 | case OP_CHARNP: /* char-numeric? */ r = Cisdigit (ivalue_unchecked (a)); break; |
4538 | case OP_CHARWP: /* char-whitespace? */ r = Cisspace (ivalue (a)); break; |
4545 | case OP_CHARWP: /* char-whitespace? */ r = Cisspace (ivalue_unchecked (a)); break; |
4539 | case OP_CHARUP: /* char-upper-case? */ r = Cisupper (ivalue (a)); break; |
4546 | case OP_CHARUP: /* char-upper-case? */ r = Cisupper (ivalue_unchecked (a)); break; |
4540 | case OP_CHARLP: /* char-lower-case? */ r = Cislower (ivalue (a)); break; |
4547 | case OP_CHARLP: /* char-lower-case? */ r = Cislower (ivalue_unchecked (a)); break; |
4541 | #endif |
4548 | #endif |
4542 | |
4549 | |
4543 | #if USE_PORTS |
4550 | #if USE_PORTS |
4544 | case OP_PORTP: /* port? */ r = is_port (a) ; break; |
4551 | case OP_PORTP: /* port? */ r = is_port (a) ; break; |
4545 | case OP_INPORTP: /* input-port? */ r = is_inport (a) ; break; |
4552 | case OP_INPORTP: /* input-port? */ r = is_inport (a) ; break; |
… | |
… | |
4565 | } |
4572 | } |
4566 | |
4573 | |
4567 | s_retbool (r); |
4574 | s_retbool (r); |
4568 | } |
4575 | } |
4569 | |
4576 | |
4570 | static pointer |
4577 | static int |
4571 | opexe_4 (SCHEME_P_ enum scheme_opcodes op) |
4578 | opexe_4 (SCHEME_P_ enum scheme_opcodes op) |
4572 | { |
4579 | { |
4573 | pointer args = SCHEME_V->args; |
4580 | pointer args = SCHEME_V->args; |
4574 | pointer a = car (args); |
4581 | pointer a = car (args); |
4575 | pointer x, y; |
4582 | pointer x, y; |
… | |
… | |
4661 | putstr (SCHEME_A_ "\n"); |
4668 | putstr (SCHEME_A_ "\n"); |
4662 | |
4669 | |
4663 | if (SCHEME_V->interactive_repl) |
4670 | if (SCHEME_V->interactive_repl) |
4664 | s_goto (OP_T0LVL); |
4671 | s_goto (OP_T0LVL); |
4665 | else |
4672 | else |
4666 | return NIL; |
4673 | return -1; |
4667 | } |
4674 | } |
4668 | |
4675 | |
4669 | case OP_REVERSE: /* reverse */ |
4676 | case OP_REVERSE: /* reverse */ |
4670 | s_return (reverse (SCHEME_A_ a)); |
4677 | s_return (reverse (SCHEME_A_ a)); |
4671 | |
4678 | |
… | |
… | |
4728 | |
4735 | |
4729 | case OP_QUIT: /* quit */ |
4736 | case OP_QUIT: /* quit */ |
4730 | if (is_pair (args)) |
4737 | if (is_pair (args)) |
4731 | SCHEME_V->retcode = ivalue (a); |
4738 | SCHEME_V->retcode = ivalue (a); |
4732 | |
4739 | |
4733 | return NIL; |
4740 | return -1; |
4734 | |
4741 | |
4735 | case OP_GC: /* gc */ |
4742 | case OP_GC: /* gc */ |
4736 | gc (SCHEME_A_ NIL, NIL); |
4743 | gc (SCHEME_A_ NIL, NIL); |
4737 | s_return (S_T); |
4744 | s_return (S_T); |
4738 | |
4745 | |
… | |
… | |
4746 | |
4753 | |
4747 | case OP_NEWSEGMENT: /* new-segment */ |
4754 | case OP_NEWSEGMENT: /* new-segment */ |
4748 | if (!is_pair (args) || !is_number (a)) |
4755 | if (!is_pair (args) || !is_number (a)) |
4749 | Error_0 ("new-segment: argument must be a number"); |
4756 | Error_0 ("new-segment: argument must be a number"); |
4750 | |
4757 | |
4751 | alloc_cellseg (SCHEME_A_ (int)ivalue (a)); |
4758 | alloc_cellseg (SCHEME_A_ ivalue (a)); |
4752 | |
4759 | |
4753 | s_return (S_T); |
4760 | s_return (S_T); |
4754 | |
4761 | |
4755 | case OP_OBLIST: /* oblist */ |
4762 | case OP_OBLIST: /* oblist */ |
4756 | s_return (oblist_all_symbols (SCHEME_A)); |
4763 | s_return (oblist_all_symbols (SCHEME_A)); |
… | |
… | |
4785 | break; |
4792 | break; |
4786 | } |
4793 | } |
4787 | |
4794 | |
4788 | p = port_from_filename (SCHEME_A_ strvalue (a), prop); |
4795 | p = port_from_filename (SCHEME_A_ strvalue (a), prop); |
4789 | |
4796 | |
4790 | if (p == NIL) |
4797 | s_return (p == NIL ? S_F : p); |
4791 | s_return (S_F); |
|
|
4792 | |
|
|
4793 | s_return (p); |
|
|
4794 | } |
4798 | } |
4795 | |
4799 | |
4796 | # if USE_STRING_PORTS |
4800 | # if USE_STRING_PORTS |
4797 | |
4801 | |
4798 | case OP_OPEN_INSTRING: /* open-input-string */ |
4802 | case OP_OPEN_INSTRING: /* open-input-string */ |
… | |
… | |
4813 | } |
4817 | } |
4814 | |
4818 | |
4815 | p = port_from_string (SCHEME_A_ strvalue (a), |
4819 | p = port_from_string (SCHEME_A_ strvalue (a), |
4816 | strvalue (a) + strlength (a), prop); |
4820 | strvalue (a) + strlength (a), prop); |
4817 | |
4821 | |
4818 | if (p == NIL) |
4822 | s_return (p == NIL ? S_F : p); |
4819 | s_return (S_F); |
|
|
4820 | |
|
|
4821 | s_return (p); |
|
|
4822 | } |
4823 | } |
4823 | |
4824 | |
4824 | case OP_OPEN_OUTSTRING: /* open-output-string */ |
4825 | case OP_OPEN_OUTSTRING: /* open-output-string */ |
4825 | { |
4826 | { |
4826 | pointer p; |
4827 | pointer p; |
4827 | |
4828 | |
4828 | if (a == NIL) |
4829 | if (a == NIL) |
4829 | { |
|
|
4830 | p = port_from_scratch (SCHEME_A); |
4830 | p = port_from_scratch (SCHEME_A); |
4831 | |
|
|
4832 | if (p == NIL) |
|
|
4833 | s_return (S_F); |
|
|
4834 | } |
|
|
4835 | else |
4831 | else |
4836 | { |
|
|
4837 | p = port_from_string (SCHEME_A_ strvalue (a), |
4832 | p = port_from_string (SCHEME_A_ strvalue (a), |
4838 | strvalue (a) + strlength (a), port_output); |
4833 | strvalue (a) + strlength (a), port_output); |
4839 | |
4834 | |
4840 | if (p == NIL) |
4835 | s_return (p == NIL ? S_F : p); |
4841 | s_return (S_F); |
|
|
4842 | } |
|
|
4843 | |
|
|
4844 | s_return (p); |
|
|
4845 | } |
4836 | } |
4846 | |
4837 | |
4847 | case OP_GET_OUTSTRING: /* get-output-string */ |
4838 | case OP_GET_OUTSTRING: /* get-output-string */ |
4848 | { |
4839 | { |
4849 | port *p; |
4840 | port *p; |
… | |
… | |
4888 | case OP_CURR_ENV: /* current-environment */ |
4879 | case OP_CURR_ENV: /* current-environment */ |
4889 | s_return (SCHEME_V->envir); |
4880 | s_return (SCHEME_V->envir); |
4890 | |
4881 | |
4891 | } |
4882 | } |
4892 | |
4883 | |
4893 | abort (); |
4884 | if (USE_ERROR_CHECKING) abort (); |
4894 | } |
4885 | } |
4895 | |
4886 | |
4896 | static pointer |
4887 | static int |
4897 | opexe_5 (SCHEME_P_ enum scheme_opcodes op) |
4888 | opexe_5 (SCHEME_P_ enum scheme_opcodes op) |
4898 | { |
4889 | { |
|
|
4890 | pointer args = SCHEME_V->args; |
4899 | pointer x; |
4891 | pointer x; |
4900 | |
4892 | |
4901 | if (SCHEME_V->nesting != 0) |
4893 | if (SCHEME_V->nesting != 0) |
4902 | { |
4894 | { |
4903 | int n = SCHEME_V->nesting; |
4895 | int n = SCHEME_V->nesting; |
… | |
… | |
4910 | switch (op) |
4902 | switch (op) |
4911 | { |
4903 | { |
4912 | /* ========== reading part ========== */ |
4904 | /* ========== reading part ========== */ |
4913 | #if USE_PORTS |
4905 | #if USE_PORTS |
4914 | case OP_READ: |
4906 | case OP_READ: |
4915 | if (!is_pair (SCHEME_V->args)) |
4907 | if (!is_pair (args)) |
4916 | s_goto (OP_READ_INTERNAL); |
4908 | s_goto (OP_READ_INTERNAL); |
4917 | |
4909 | |
4918 | if (!is_inport (car (SCHEME_V->args))) |
4910 | if (!is_inport (car (args))) |
4919 | Error_1 ("read: not an input port:", car (SCHEME_V->args)); |
4911 | Error_1 ("read: not an input port:", car (args)); |
4920 | |
4912 | |
4921 | if (car (SCHEME_V->args) == SCHEME_V->inport) |
4913 | if (car (args) == SCHEME_V->inport) |
4922 | s_goto (OP_READ_INTERNAL); |
4914 | s_goto (OP_READ_INTERNAL); |
4923 | |
4915 | |
4924 | x = SCHEME_V->inport; |
4916 | x = SCHEME_V->inport; |
4925 | SCHEME_V->inport = car (SCHEME_V->args); |
4917 | SCHEME_V->inport = car (args); |
4926 | x = cons (x, NIL); |
4918 | x = cons (x, NIL); |
4927 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
4919 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
4928 | s_goto (OP_READ_INTERNAL); |
4920 | s_goto (OP_READ_INTERNAL); |
4929 | |
4921 | |
4930 | case OP_READ_CHAR: /* read-char */ |
4922 | case OP_READ_CHAR: /* read-char */ |
4931 | case OP_PEEK_CHAR: /* peek-char */ |
4923 | case OP_PEEK_CHAR: /* peek-char */ |
4932 | { |
4924 | { |
4933 | int c; |
4925 | int c; |
4934 | |
4926 | |
4935 | if (is_pair (SCHEME_V->args)) |
4927 | if (is_pair (args)) |
4936 | { |
4928 | { |
4937 | if (car (SCHEME_V->args) != SCHEME_V->inport) |
4929 | if (car (args) != SCHEME_V->inport) |
4938 | { |
4930 | { |
4939 | x = SCHEME_V->inport; |
4931 | x = SCHEME_V->inport; |
4940 | x = cons (x, NIL); |
4932 | x = cons (x, NIL); |
4941 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
4933 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
4942 | SCHEME_V->inport = car (SCHEME_V->args); |
4934 | SCHEME_V->inport = car (args); |
4943 | } |
4935 | } |
4944 | } |
4936 | } |
4945 | |
4937 | |
4946 | c = inchar (SCHEME_A); |
4938 | c = inchar (SCHEME_A); |
4947 | |
4939 | |
… | |
… | |
4957 | case OP_CHAR_READY: /* char-ready? */ |
4949 | case OP_CHAR_READY: /* char-ready? */ |
4958 | { |
4950 | { |
4959 | pointer p = SCHEME_V->inport; |
4951 | pointer p = SCHEME_V->inport; |
4960 | int res; |
4952 | int res; |
4961 | |
4953 | |
4962 | if (is_pair (SCHEME_V->args)) |
4954 | if (is_pair (args)) |
4963 | p = car (SCHEME_V->args); |
4955 | p = car (args); |
4964 | |
4956 | |
4965 | res = p->object.port->kind & port_string; |
4957 | res = p->object.port->kind & port_string; |
4966 | |
4958 | |
4967 | s_retbool (res); |
4959 | s_retbool (res); |
4968 | } |
4960 | } |
4969 | |
4961 | |
4970 | case OP_SET_INPORT: /* set-input-port */ |
4962 | case OP_SET_INPORT: /* set-input-port */ |
4971 | SCHEME_V->inport = car (SCHEME_V->args); |
4963 | SCHEME_V->inport = car (args); |
4972 | s_return (SCHEME_V->value); |
4964 | s_return (SCHEME_V->value); |
4973 | |
4965 | |
4974 | case OP_SET_OUTPORT: /* set-output-port */ |
4966 | case OP_SET_OUTPORT: /* set-output-port */ |
4975 | SCHEME_V->outport = car (SCHEME_V->args); |
4967 | SCHEME_V->outport = car (args); |
4976 | s_return (SCHEME_V->value); |
4968 | s_return (SCHEME_V->value); |
4977 | #endif |
4969 | #endif |
4978 | |
4970 | |
4979 | case OP_RDSEXPR: |
4971 | case OP_RDSEXPR: |
4980 | switch (SCHEME_V->tok) |
4972 | switch (SCHEME_V->tok) |
… | |
… | |
5029 | s_save (SCHEME_A_ OP_RDUQTSP, NIL, NIL); |
5021 | s_save (SCHEME_A_ OP_RDUQTSP, NIL, NIL); |
5030 | SCHEME_V->tok = token (SCHEME_A); |
5022 | SCHEME_V->tok = token (SCHEME_A); |
5031 | s_goto (OP_RDSEXPR); |
5023 | s_goto (OP_RDSEXPR); |
5032 | |
5024 | |
5033 | case TOK_ATOM: |
5025 | case TOK_ATOM: |
5034 | s_return (mk_atom (SCHEME_A_ readstr_upto (SCHEME_A_ DELIMITERS))); |
5026 | s_return (mk_atom (SCHEME_A_ readstr_upto (SCHEME_A_ 0, DELIMITERS))); |
|
|
5027 | |
|
|
5028 | case TOK_DOTATOM: |
|
|
5029 | SCHEME_V->strbuff[0] = '.'; |
|
|
5030 | s_return (mk_atom (SCHEME_A_ readstr_upto (SCHEME_A_ 1, DELIMITERS))); |
|
|
5031 | |
|
|
5032 | case TOK_STRATOM: |
|
|
5033 | x = readstrexp (SCHEME_A_ '|'); |
|
|
5034 | //TODO: haven't checked whether the garbage collector could interfere |
|
|
5035 | s_return (mk_atom (SCHEME_A_ strvalue (x))); |
5035 | |
5036 | |
5036 | case TOK_DQUOTE: |
5037 | case TOK_DQUOTE: |
5037 | x = readstrexp (SCHEME_A); |
5038 | x = readstrexp (SCHEME_A_ '"'); |
5038 | |
5039 | |
5039 | if (x == S_F) |
5040 | if (x == S_F) |
5040 | Error_0 ("Error reading string"); |
5041 | Error_0 ("Error reading string"); |
5041 | |
5042 | |
5042 | setimmutable (x); |
5043 | setimmutable (x); |
… | |
… | |
5054 | s_goto (OP_EVAL); |
5055 | s_goto (OP_EVAL); |
5055 | } |
5056 | } |
5056 | } |
5057 | } |
5057 | |
5058 | |
5058 | case TOK_SHARP_CONST: |
5059 | case TOK_SHARP_CONST: |
5059 | if ((x = mk_sharp_const (SCHEME_A_ readstr_upto (SCHEME_A_ DELIMITERS))) == NIL) |
5060 | if ((x = mk_sharp_const (SCHEME_A_ readstr_upto (SCHEME_A_ 0, DELIMITERS))) == NIL) |
5060 | Error_0 ("undefined sharp expression"); |
5061 | Error_0 ("undefined sharp expression"); |
5061 | else |
5062 | else |
5062 | s_return (x); |
5063 | s_return (x); |
5063 | |
5064 | |
5064 | default: |
5065 | default: |
… | |
… | |
5066 | } |
5067 | } |
5067 | |
5068 | |
5068 | break; |
5069 | break; |
5069 | |
5070 | |
5070 | case OP_RDLIST: |
5071 | case OP_RDLIST: |
5071 | SCHEME_V->args = cons (SCHEME_V->value, SCHEME_V->args); |
5072 | SCHEME_V->args = cons (SCHEME_V->value, args); |
5072 | SCHEME_V->tok = token (SCHEME_A); |
5073 | SCHEME_V->tok = token (SCHEME_A); |
5073 | |
5074 | |
5074 | switch (SCHEME_V->tok) |
5075 | switch (SCHEME_V->tok) |
5075 | { |
5076 | { |
5076 | case TOK_EOF: |
5077 | case TOK_EOF: |
… | |
… | |
5104 | case OP_RDDOT: |
5105 | case OP_RDDOT: |
5105 | if (token (SCHEME_A) != TOK_RPAREN) |
5106 | if (token (SCHEME_A) != TOK_RPAREN) |
5106 | Error_0 ("syntax error: illegal dot expression"); |
5107 | Error_0 ("syntax error: illegal dot expression"); |
5107 | |
5108 | |
5108 | SCHEME_V->nesting_stack[SCHEME_V->file_i]--; |
5109 | SCHEME_V->nesting_stack[SCHEME_V->file_i]--; |
5109 | s_return (reverse_in_place (SCHEME_A_ SCHEME_V->value, SCHEME_V->args)); |
5110 | s_return (reverse_in_place (SCHEME_A_ SCHEME_V->value, args)); |
5110 | |
5111 | |
5111 | case OP_RDQUOTE: |
5112 | case OP_RDQUOTE: |
5112 | s_return (cons (SCHEME_V->QUOTE, cons (SCHEME_V->value, NIL))); |
5113 | s_return (cons (SCHEME_V->QUOTE, cons (SCHEME_V->value, NIL))); |
5113 | |
5114 | |
5114 | case OP_RDQQUOTE: |
5115 | case OP_RDQQUOTE: |
… | |
… | |
5136 | SCHEME_V->args = SCHEME_V->value; |
5137 | SCHEME_V->args = SCHEME_V->value; |
5137 | s_goto (OP_VECTOR); |
5138 | s_goto (OP_VECTOR); |
5138 | |
5139 | |
5139 | /* ========== printing part ========== */ |
5140 | /* ========== printing part ========== */ |
5140 | case OP_P0LIST: |
5141 | case OP_P0LIST: |
5141 | if (is_vector (SCHEME_V->args)) |
5142 | if (is_vector (args)) |
5142 | { |
5143 | { |
5143 | putstr (SCHEME_A_ "#("); |
5144 | putstr (SCHEME_A_ "#("); |
5144 | SCHEME_V->args = cons (SCHEME_V->args, mk_integer (SCHEME_A_ 0)); |
5145 | SCHEME_V->args = cons (args, mk_integer (SCHEME_A_ 0)); |
5145 | s_goto (OP_PVECFROM); |
5146 | s_goto (OP_PVECFROM); |
5146 | } |
5147 | } |
5147 | else if (is_environment (SCHEME_V->args)) |
5148 | else if (is_environment (args)) |
5148 | { |
5149 | { |
5149 | putstr (SCHEME_A_ "#<ENVIRONMENT>"); |
5150 | putstr (SCHEME_A_ "#<ENVIRONMENT>"); |
5150 | s_return (S_T); |
5151 | s_return (S_T); |
5151 | } |
5152 | } |
5152 | else if (!is_pair (SCHEME_V->args)) |
5153 | else if (!is_pair (args)) |
5153 | { |
5154 | { |
5154 | printatom (SCHEME_A_ SCHEME_V->args, SCHEME_V->print_flag); |
5155 | printatom (SCHEME_A_ args, SCHEME_V->print_flag); |
5155 | s_return (S_T); |
5156 | s_return (S_T); |
5156 | } |
5157 | } |
5157 | else if (car (SCHEME_V->args) == SCHEME_V->QUOTE && ok_abbrev (cdr (SCHEME_V->args))) |
5158 | else |
5158 | { |
5159 | { |
|
|
5160 | pointer a = car (args); |
|
|
5161 | pointer b = cdr (args); |
|
|
5162 | int ok_abbr = ok_abbrev (b); |
|
|
5163 | SCHEME_V->args = car (b); |
|
|
5164 | |
|
|
5165 | if (a == SCHEME_V->QUOTE && ok_abbr) |
5159 | putstr (SCHEME_A_ "'"); |
5166 | putstr (SCHEME_A_ "'"); |
5160 | SCHEME_V->args = cadr (SCHEME_V->args); |
5167 | else if (a == SCHEME_V->QQUOTE && ok_abbr) |
|
|
5168 | putstr (SCHEME_A_ "`"); |
|
|
5169 | else if (a == SCHEME_V->UNQUOTE && ok_abbr) |
|
|
5170 | putstr (SCHEME_A_ ","); |
|
|
5171 | else if (a == SCHEME_V->UNQUOTESP && ok_abbr) |
|
|
5172 | putstr (SCHEME_A_ ",@"); |
|
|
5173 | else |
|
|
5174 | { |
|
|
5175 | putstr (SCHEME_A_ "("); |
|
|
5176 | s_save (SCHEME_A_ OP_P1LIST, b, NIL); |
|
|
5177 | SCHEME_V->args = a; |
|
|
5178 | } |
|
|
5179 | |
5161 | s_goto (OP_P0LIST); |
5180 | s_goto (OP_P0LIST); |
5162 | } |
5181 | } |
5163 | else if (car (SCHEME_V->args) == SCHEME_V->QQUOTE && ok_abbrev (cdr (SCHEME_V->args))) |
5182 | |
|
|
5183 | case OP_P1LIST: |
|
|
5184 | if (is_pair (args)) |
5164 | { |
5185 | { |
|
|
5186 | s_save (SCHEME_A_ OP_P1LIST, cdr (args), NIL); |
5165 | putstr (SCHEME_A_ "`"); |
5187 | putstr (SCHEME_A_ " "); |
5166 | SCHEME_V->args = cadr (SCHEME_V->args); |
5188 | SCHEME_V->args = car (args); |
5167 | s_goto (OP_P0LIST); |
5189 | s_goto (OP_P0LIST); |
5168 | } |
5190 | } |
5169 | else if (car (SCHEME_V->args) == SCHEME_V->UNQUOTE && ok_abbrev (cdr (SCHEME_V->args))) |
|
|
5170 | { |
|
|
5171 | putstr (SCHEME_A_ ","); |
|
|
5172 | SCHEME_V->args = cadr (SCHEME_V->args); |
|
|
5173 | s_goto (OP_P0LIST); |
|
|
5174 | } |
|
|
5175 | else if (car (SCHEME_V->args) == SCHEME_V->UNQUOTESP && ok_abbrev (cdr (SCHEME_V->args))) |
|
|
5176 | { |
|
|
5177 | putstr (SCHEME_A_ ",@"); |
|
|
5178 | SCHEME_V->args = cadr (SCHEME_V->args); |
|
|
5179 | s_goto (OP_P0LIST); |
|
|
5180 | } |
|
|
5181 | else |
|
|
5182 | { |
|
|
5183 | putstr (SCHEME_A_ "("); |
|
|
5184 | s_save (SCHEME_A_ OP_P1LIST, cdr (SCHEME_V->args), NIL); |
|
|
5185 | SCHEME_V->args = car (SCHEME_V->args); |
|
|
5186 | s_goto (OP_P0LIST); |
|
|
5187 | } |
|
|
5188 | |
|
|
5189 | case OP_P1LIST: |
|
|
5190 | if (is_pair (SCHEME_V->args)) |
|
|
5191 | { |
|
|
5192 | s_save (SCHEME_A_ OP_P1LIST, cdr (SCHEME_V->args), NIL); |
|
|
5193 | putstr (SCHEME_A_ " "); |
|
|
5194 | SCHEME_V->args = car (SCHEME_V->args); |
|
|
5195 | s_goto (OP_P0LIST); |
|
|
5196 | } |
|
|
5197 | else if (is_vector (SCHEME_V->args)) |
5191 | else if (is_vector (args)) |
5198 | { |
5192 | { |
5199 | s_save (SCHEME_A_ OP_P1LIST, NIL, NIL); |
5193 | s_save (SCHEME_A_ OP_P1LIST, NIL, NIL); |
5200 | putstr (SCHEME_A_ " . "); |
5194 | putstr (SCHEME_A_ " . "); |
5201 | s_goto (OP_P0LIST); |
5195 | s_goto (OP_P0LIST); |
5202 | } |
5196 | } |
5203 | else |
5197 | else |
5204 | { |
5198 | { |
5205 | if (SCHEME_V->args != NIL) |
5199 | if (args != NIL) |
5206 | { |
5200 | { |
5207 | putstr (SCHEME_A_ " . "); |
5201 | putstr (SCHEME_A_ " . "); |
5208 | printatom (SCHEME_A_ SCHEME_V->args, SCHEME_V->print_flag); |
5202 | printatom (SCHEME_A_ args, SCHEME_V->print_flag); |
5209 | } |
5203 | } |
5210 | |
5204 | |
5211 | putstr (SCHEME_A_ ")"); |
5205 | putstr (SCHEME_A_ ")"); |
5212 | s_return (S_T); |
5206 | s_return (S_T); |
5213 | } |
5207 | } |
5214 | |
5208 | |
5215 | case OP_PVECFROM: |
5209 | case OP_PVECFROM: |
5216 | { |
5210 | { |
5217 | int i = ivalue_unchecked (cdr (SCHEME_V->args)); |
5211 | int i = ivalue_unchecked (cdr (args)); |
5218 | pointer vec = car (SCHEME_V->args); |
5212 | pointer vec = car (args); |
5219 | int len = veclength (vec); |
5213 | int len = veclength (vec); |
5220 | |
5214 | |
5221 | if (i == len) |
5215 | if (i == len) |
5222 | { |
5216 | { |
5223 | putstr (SCHEME_A_ ")"); |
5217 | putstr (SCHEME_A_ ")"); |
5224 | s_return (S_T); |
5218 | s_return (S_T); |
5225 | } |
5219 | } |
5226 | else |
5220 | else |
5227 | { |
5221 | { |
5228 | pointer elem = vector_elem (vec, i); |
5222 | pointer elem = vector_get (vec, i); |
5229 | |
5223 | |
5230 | ivalue_unchecked (cdr (SCHEME_V->args)) = i + 1; |
5224 | ivalue_unchecked (cdr (args)) = i + 1; |
5231 | s_save (SCHEME_A_ OP_PVECFROM, SCHEME_V->args, NIL); |
5225 | s_save (SCHEME_A_ OP_PVECFROM, args, NIL); |
5232 | SCHEME_V->args = elem; |
5226 | SCHEME_V->args = elem; |
5233 | |
5227 | |
5234 | if (i > 0) |
5228 | if (i > 0) |
5235 | putstr (SCHEME_A_ " "); |
5229 | putstr (SCHEME_A_ " "); |
5236 | |
5230 | |
5237 | s_goto (OP_P0LIST); |
5231 | s_goto (OP_P0LIST); |
5238 | } |
5232 | } |
5239 | } |
5233 | } |
5240 | } |
5234 | } |
5241 | |
5235 | |
5242 | abort (); |
5236 | if (USE_ERROR_CHECKING) abort (); |
5243 | } |
5237 | } |
5244 | |
5238 | |
5245 | static pointer |
5239 | static int |
5246 | opexe_6 (SCHEME_P_ enum scheme_opcodes op) |
5240 | opexe_6 (SCHEME_P_ enum scheme_opcodes op) |
5247 | { |
5241 | { |
|
|
5242 | pointer args = SCHEME_V->args; |
|
|
5243 | pointer a = car (args); |
5248 | pointer x, y; |
5244 | pointer x, y; |
5249 | |
5245 | |
5250 | switch (op) |
5246 | switch (op) |
5251 | { |
5247 | { |
5252 | case OP_LIST_LENGTH: /* length *//* a.k */ |
5248 | case OP_LIST_LENGTH: /* length *//* a.k */ |
5253 | { |
5249 | { |
5254 | long v = list_length (SCHEME_A_ car (SCHEME_V->args)); |
5250 | long v = list_length (SCHEME_A_ a); |
5255 | |
5251 | |
5256 | if (v < 0) |
5252 | if (v < 0) |
5257 | Error_1 ("length: not a list:", car (SCHEME_V->args)); |
5253 | Error_1 ("length: not a list:", a); |
5258 | |
5254 | |
5259 | s_return (mk_integer (SCHEME_A_ v)); |
5255 | s_return (mk_integer (SCHEME_A_ v)); |
5260 | } |
5256 | } |
5261 | |
5257 | |
5262 | case OP_ASSQ: /* assq *//* a.k */ |
5258 | case OP_ASSQ: /* assq *//* a.k */ |
5263 | x = car (SCHEME_V->args); |
5259 | x = a; |
5264 | |
5260 | |
5265 | for (y = cadr (SCHEME_V->args); is_pair (y); y = cdr (y)) |
5261 | for (y = cadr (args); is_pair (y); y = cdr (y)) |
5266 | { |
5262 | { |
5267 | if (!is_pair (car (y))) |
5263 | if (!is_pair (car (y))) |
5268 | Error_0 ("unable to handle non pair element"); |
5264 | Error_0 ("unable to handle non pair element"); |
5269 | |
5265 | |
5270 | if (x == caar (y)) |
5266 | if (x == caar (y)) |
… | |
… | |
5276 | else |
5272 | else |
5277 | s_return (S_F); |
5273 | s_return (S_F); |
5278 | |
5274 | |
5279 | |
5275 | |
5280 | case OP_GET_CLOSURE: /* get-closure-code *//* a.k */ |
5276 | case OP_GET_CLOSURE: /* get-closure-code *//* a.k */ |
5281 | SCHEME_V->args = car (SCHEME_V->args); |
5277 | SCHEME_V->args = a; |
5282 | |
5278 | |
5283 | if (SCHEME_V->args == NIL) |
5279 | if (SCHEME_V->args == NIL) |
5284 | s_return (S_F); |
5280 | s_return (S_F); |
5285 | else if (is_closure (SCHEME_V->args)) |
5281 | else if (is_closure (SCHEME_V->args)) |
5286 | s_return (cons (SCHEME_V->LAMBDA, closure_code (SCHEME_V->value))); |
5282 | s_return (cons (SCHEME_V->LAMBDA, closure_code (SCHEME_V->value))); |
… | |
… | |
5291 | |
5287 | |
5292 | case OP_CLOSUREP: /* closure? */ |
5288 | case OP_CLOSUREP: /* closure? */ |
5293 | /* |
5289 | /* |
5294 | * Note, macro object is also a closure. |
5290 | * Note, macro object is also a closure. |
5295 | * Therefore, (closure? <#MACRO>) ==> #t |
5291 | * Therefore, (closure? <#MACRO>) ==> #t |
|
|
5292 | * (schmorp) well, obviously not, fix? TODO |
5296 | */ |
5293 | */ |
5297 | s_retbool (is_closure (car (SCHEME_V->args))); |
5294 | s_retbool (is_closure (a)); |
5298 | |
5295 | |
5299 | case OP_MACROP: /* macro? */ |
5296 | case OP_MACROP: /* macro? */ |
5300 | s_retbool (is_macro (car (SCHEME_V->args))); |
5297 | s_retbool (is_macro (a)); |
5301 | } |
5298 | } |
5302 | |
5299 | |
5303 | abort (); |
5300 | if (USE_ERROR_CHECKING) abort (); |
5304 | } |
5301 | } |
5305 | |
5302 | |
|
|
5303 | /* dispatch functions (opexe_x) return new opcode, or 0 for same opcode, or -1 to stop */ |
5306 | typedef pointer (*dispatch_func) (SCHEME_P_ enum scheme_opcodes); |
5304 | typedef int (*dispatch_func)(SCHEME_P_ enum scheme_opcodes); |
5307 | |
5305 | |
5308 | typedef int (*test_predicate) (pointer); |
5306 | typedef int (*test_predicate)(pointer); |
5309 | static int |
5307 | static int |
5310 | is_any (pointer p) |
5308 | tst_any (pointer p) |
5311 | { |
5309 | { |
5312 | return 1; |
5310 | return 1; |
5313 | } |
5311 | } |
5314 | |
5312 | |
5315 | static int |
5313 | static int |
5316 | is_nonneg (pointer p) |
5314 | tst_inonneg (pointer p) |
5317 | { |
5315 | { |
5318 | return ivalue (p) >= 0 && is_integer (p); |
5316 | return is_integer (p) && ivalue_unchecked (p) >= 0; |
|
|
5317 | } |
|
|
5318 | |
|
|
5319 | static int |
|
|
5320 | tst_is_list (SCHEME_P_ pointer p) |
|
|
5321 | { |
|
|
5322 | return p == NIL || is_pair (p); |
5319 | } |
5323 | } |
5320 | |
5324 | |
5321 | /* Correspond carefully with following defines! */ |
5325 | /* Correspond carefully with following defines! */ |
5322 | static struct |
5326 | static struct |
5323 | { |
5327 | { |
5324 | test_predicate fct; |
5328 | test_predicate fct; |
5325 | const char *kind; |
5329 | const char *kind; |
5326 | } tests[] = |
5330 | } tests[] = { |
5327 | { |
5331 | { tst_any , 0 }, |
5328 | { 0, 0}, /* unused */ |
5332 | { is_string , "string" }, |
5329 | { is_any, 0}, |
5333 | { is_symbol , "symbol" }, |
5330 | { is_string, "string" }, |
5334 | { is_port , "port" }, |
5331 | { is_symbol, "symbol" }, |
|
|
5332 | { is_port, "port" }, |
|
|
5333 | { is_inport, "input port" }, |
5335 | { is_inport , "input port" }, |
5334 | { is_outport, "output port" }, |
5336 | { is_outport , "output port" }, |
5335 | { is_environment, "environment" }, |
5337 | { is_environment, "environment" }, |
5336 | { is_pair, "pair" }, |
5338 | { is_pair , "pair" }, |
5337 | { 0, "pair or '()" }, |
5339 | { 0 , "pair or '()" }, |
5338 | { is_character, "character" }, |
5340 | { is_character , "character" }, |
5339 | { is_vector, "vector" }, |
5341 | { is_vector , "vector" }, |
5340 | { is_number, "number" }, |
5342 | { is_number , "number" }, |
5341 | { is_integer, "integer" }, |
5343 | { is_integer , "integer" }, |
5342 | { is_nonneg, "non-negative integer" } |
5344 | { tst_inonneg , "non-negative integer" } |
5343 | }; |
5345 | }; |
5344 | |
5346 | |
5345 | #define TST_NONE 0 |
5347 | #define TST_NONE 0 /* TST_NONE used for built-ins, 0 for internal ops */ |
5346 | #define TST_ANY "\001" |
5348 | #define TST_ANY "\001" |
5347 | #define TST_STRING "\002" |
5349 | #define TST_STRING "\002" |
5348 | #define TST_SYMBOL "\003" |
5350 | #define TST_SYMBOL "\003" |
5349 | #define TST_PORT "\004" |
5351 | #define TST_PORT "\004" |
5350 | #define TST_INPORT "\005" |
5352 | #define TST_INPORT "\005" |
5351 | #define TST_OUTPORT "\006" |
5353 | #define TST_OUTPORT "\006" |
5352 | #define TST_ENVIRONMENT "\007" |
5354 | #define TST_ENVIRONMENT "\007" |
5353 | #define TST_PAIR "\010" |
5355 | #define TST_PAIR "\010" |
5354 | #define TST_LIST "\011" |
5356 | #define TST_LIST "\011" |
5355 | #define TST_CHAR "\012" |
5357 | #define TST_CHAR "\012" |
5356 | #define TST_VECTOR "\013" |
5358 | #define TST_VECTOR "\013" |
5357 | #define TST_NUMBER "\014" |
5359 | #define TST_NUMBER "\014" |
5358 | #define TST_INTEGER "\015" |
5360 | #define TST_INTEGER "\015" |
5359 | #define TST_NATURAL "\016" |
5361 | #define TST_NATURAL "\016" |
|
|
5362 | |
|
|
5363 | #define INF_ARG 0xff |
|
|
5364 | #define UNNAMED_OP "" |
|
|
5365 | |
|
|
5366 | static const char opnames[] = |
|
|
5367 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) name "\x00" |
|
|
5368 | #include "opdefines.h" |
|
|
5369 | #undef OP_DEF |
|
|
5370 | ; |
|
|
5371 | |
|
|
5372 | static const char * |
|
|
5373 | opname (int idx) |
|
|
5374 | { |
|
|
5375 | const char *name = opnames; |
|
|
5376 | |
|
|
5377 | /* should do this at compile time, but would require external program, right? */ |
|
|
5378 | while (idx--) |
|
|
5379 | name += strlen (name) + 1; |
|
|
5380 | |
|
|
5381 | return *name ? name : "ILLEGAL"; |
|
|
5382 | } |
|
|
5383 | |
|
|
5384 | static const char * |
|
|
5385 | procname (pointer x) |
|
|
5386 | { |
|
|
5387 | return opname (procnum (x)); |
|
|
5388 | } |
5360 | |
5389 | |
5361 | typedef struct |
5390 | typedef struct |
5362 | { |
5391 | { |
5363 | dispatch_func func; |
5392 | uint8_t func; |
5364 | char *name; |
5393 | /*dispatch_func func;*//*TODO: maybe optionally keep the pointer, for speed? */ |
|
|
5394 | uint8_t builtin; |
|
|
5395 | #if USE_ERROR_CHECKING |
5365 | int min_arity; |
5396 | uint8_t min_arity; |
5366 | int max_arity; |
5397 | uint8_t max_arity; |
5367 | char *arg_tests_encoding; |
5398 | char arg_tests_encoding[3]; |
|
|
5399 | #endif |
5368 | } op_code_info; |
5400 | } op_code_info; |
5369 | |
5401 | |
5370 | #define INF_ARG 0xffff |
|
|
5371 | |
|
|
5372 | static op_code_info dispatch_table[] = { |
5402 | static const op_code_info dispatch_table[] = { |
5373 | #define OP_DEF(A,B,C,D,E,OP) {A,B,C,D,E}, |
5403 | #if USE_ERROR_CHECKING |
|
|
5404 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) { func, sizeof (name) > 1, minarity, maxarity, argtest }, |
|
|
5405 | #else |
|
|
5406 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) { func, sizeof (name) > 1 }, |
|
|
5407 | #endif |
5374 | #include "opdefines.h" |
5408 | #include "opdefines.h" |
|
|
5409 | #undef OP_DEF |
5375 | {0} |
5410 | {0} |
5376 | }; |
5411 | }; |
5377 | |
5412 | |
5378 | static const char * |
|
|
5379 | procname (pointer x) |
|
|
5380 | { |
|
|
5381 | int n = procnum (x); |
|
|
5382 | const char *name = dispatch_table[n].name; |
|
|
5383 | |
|
|
5384 | if (name == 0) |
|
|
5385 | name = "ILLEGAL!"; |
|
|
5386 | |
|
|
5387 | return name; |
|
|
5388 | } |
|
|
5389 | |
|
|
5390 | /* kernel of this interpreter */ |
5413 | /* kernel of this interpreter */ |
5391 | static void |
5414 | static void ecb_hot |
5392 | Eval_Cycle (SCHEME_P_ enum scheme_opcodes op) |
5415 | Eval_Cycle (SCHEME_P_ enum scheme_opcodes op) |
5393 | { |
5416 | { |
5394 | SCHEME_V->op = op; |
5417 | SCHEME_V->op = op; |
5395 | |
5418 | |
5396 | for (;;) |
5419 | for (;;) |
5397 | { |
5420 | { |
5398 | op_code_info *pcd = dispatch_table + SCHEME_V->op; |
5421 | const op_code_info *pcd = dispatch_table + SCHEME_V->op; |
5399 | |
5422 | |
5400 | #if USE_ERROR_CHECKING |
5423 | #if USE_ERROR_CHECKING |
5401 | if (pcd->name) /* if built-in function, check arguments */ |
5424 | if (pcd->builtin) /* if built-in function, check arguments */ |
5402 | { |
5425 | { |
5403 | int ok = 1; |
|
|
5404 | char msg[STRBUFFSIZE]; |
5426 | char msg[STRBUFFSIZE]; |
5405 | int n = list_length (SCHEME_A_ SCHEME_V->args); |
5427 | int n = list_length (SCHEME_A_ SCHEME_V->args); |
5406 | |
5428 | |
5407 | /* Check number of arguments */ |
5429 | /* Check number of arguments */ |
5408 | if (ecb_expect_false (n < pcd->min_arity)) |
5430 | if (ecb_expect_false (n < pcd->min_arity)) |
5409 | { |
5431 | { |
5410 | ok = 0; |
|
|
5411 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5432 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5412 | pcd->name, pcd->min_arity == pcd->max_arity ? "" : " at least", pcd->min_arity); |
5433 | opname (SCHEME_V->op), pcd->min_arity == pcd->max_arity ? "" : " at least", pcd->min_arity); |
|
|
5434 | xError_1 (SCHEME_A_ msg, 0); |
|
|
5435 | continue; |
5413 | } |
5436 | } |
5414 | else if (ecb_expect_false (n > pcd->max_arity)) |
5437 | else if (ecb_expect_false (n > pcd->max_arity && pcd->max_arity != INF_ARG)) |
5415 | { |
5438 | { |
5416 | ok = 0; |
|
|
5417 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5439 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5418 | pcd->name, pcd->min_arity == pcd->max_arity ? "" : " at most", pcd->max_arity); |
5440 | opname (SCHEME_V->op), pcd->min_arity == pcd->max_arity ? "" : " at most", pcd->max_arity); |
|
|
5441 | xError_1 (SCHEME_A_ msg, 0); |
|
|
5442 | continue; |
5419 | } |
5443 | } |
5420 | |
5444 | else |
5421 | if (ecb_expect_false (ok)) |
|
|
5422 | { |
5445 | { |
5423 | if (pcd->arg_tests_encoding) |
5446 | if (*pcd->arg_tests_encoding) /* literal 0 and TST_NONE treated the same */ |
5424 | { |
5447 | { |
5425 | int i = 0; |
5448 | int i = 0; |
5426 | int j; |
5449 | int j; |
5427 | const char *t = pcd->arg_tests_encoding; |
5450 | const char *t = pcd->arg_tests_encoding; |
5428 | pointer arglist = SCHEME_V->args; |
5451 | pointer arglist = SCHEME_V->args; |
5429 | |
5452 | |
5430 | do |
5453 | do |
5431 | { |
5454 | { |
5432 | pointer arg = car (arglist); |
5455 | pointer arg = car (arglist); |
5433 | |
5456 | |
5434 | j = (int) t[0]; |
5457 | j = t[0]; |
5435 | |
5458 | |
|
|
5459 | /*TODO: tst_is_list has different prototype - fix if other tests acquire same prototype */ |
5436 | if (j == TST_LIST[0]) |
5460 | if (j == TST_LIST[0]) |
5437 | { |
5461 | { |
5438 | if (arg != NIL && !is_pair (arg)) |
5462 | if (!tst_is_list (SCHEME_A_ arg)) |
5439 | break; |
5463 | break; |
5440 | } |
5464 | } |
5441 | else |
5465 | else |
5442 | { |
5466 | { |
5443 | if (!tests[j].fct (arg)) |
5467 | if (!tests[j - 1].fct (arg)) |
5444 | break; |
5468 | break; |
5445 | } |
5469 | } |
5446 | |
5470 | |
5447 | if (t[1] != 0) /* last test is replicated as necessary */ |
5471 | if (t < pcd->arg_tests_encoding + sizeof (pcd->arg_tests_encoding) - 1 && t[1]) /* last test is replicated as necessary */ |
5448 | t++; |
5472 | t++; |
5449 | |
5473 | |
5450 | arglist = cdr (arglist); |
5474 | arglist = cdr (arglist); |
5451 | i++; |
5475 | i++; |
5452 | } |
5476 | } |
5453 | while (i < n); |
5477 | while (i < n); |
5454 | |
5478 | |
5455 | if (i < n) |
5479 | if (i < n) |
5456 | { |
5480 | { |
5457 | ok = 0; |
|
|
5458 | snprintf (msg, STRBUFFSIZE, "%s: argument %d must be: %s", pcd->name, i + 1, tests[j].kind); |
5481 | snprintf (msg, STRBUFFSIZE, "%s: argument %d must be: %s", opname (SCHEME_V->op), i + 1, tests[j].kind); |
|
|
5482 | xError_1 (SCHEME_A_ msg, 0); |
|
|
5483 | continue; |
5459 | } |
5484 | } |
5460 | } |
5485 | } |
5461 | } |
5486 | } |
5462 | |
|
|
5463 | if (!ok) |
|
|
5464 | { |
|
|
5465 | if (xError_1 (SCHEME_A_ msg, 0) == NIL) |
|
|
5466 | return; |
|
|
5467 | |
|
|
5468 | pcd = dispatch_table + SCHEME_V->op; |
|
|
5469 | } |
|
|
5470 | } |
5487 | } |
5471 | #endif |
5488 | #endif |
5472 | |
5489 | |
5473 | ok_to_freely_gc (SCHEME_A); |
5490 | ok_to_freely_gc (SCHEME_A); |
5474 | |
5491 | |
|
|
5492 | static const dispatch_func dispatch_funcs[] = { |
|
|
5493 | opexe_0, |
|
|
5494 | opexe_1, |
|
|
5495 | opexe_2, |
|
|
5496 | opexe_3, |
|
|
5497 | opexe_4, |
|
|
5498 | opexe_5, |
|
|
5499 | opexe_6, |
|
|
5500 | }; |
|
|
5501 | |
5475 | if (ecb_expect_false (pcd->func (SCHEME_A_ SCHEME_V->op) == NIL)) |
5502 | if (ecb_expect_false (dispatch_funcs [pcd->func] (SCHEME_A_ SCHEME_V->op) != 0)) |
5476 | return; |
5503 | return; |
5477 | |
5504 | |
5478 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
5505 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
5479 | { |
5506 | { |
5480 | xwrstr ("No memory!\n"); |
5507 | xwrstr ("No memory!\n"); |
… | |
… | |
5504 | mk_proc (SCHEME_P_ enum scheme_opcodes op) |
5531 | mk_proc (SCHEME_P_ enum scheme_opcodes op) |
5505 | { |
5532 | { |
5506 | pointer y = get_cell (SCHEME_A_ NIL, NIL); |
5533 | pointer y = get_cell (SCHEME_A_ NIL, NIL); |
5507 | set_typeflag (y, (T_PROC | T_ATOM)); |
5534 | set_typeflag (y, (T_PROC | T_ATOM)); |
5508 | ivalue_unchecked (y) = op; |
5535 | ivalue_unchecked (y) = op; |
5509 | set_num_integer (y); |
|
|
5510 | return y; |
5536 | return y; |
5511 | } |
5537 | } |
5512 | |
5538 | |
5513 | /* Hard-coded for the given keywords. Remember to rewrite if more are added! */ |
5539 | /* Hard-coded for the given keywords. Remember to rewrite if more are added! */ |
5514 | static int |
5540 | static int |
5515 | syntaxnum (pointer p) |
5541 | syntaxnum (pointer p) |
5516 | { |
5542 | { |
5517 | const char *s = strvalue (car (p)); |
5543 | const char *s = strvalue (p); |
5518 | |
5544 | |
5519 | switch (strlength (car (p))) |
5545 | switch (strlength (p)) |
5520 | { |
5546 | { |
5521 | case 2: |
5547 | case 2: |
5522 | if (s[0] == 'i') |
5548 | if (s[0] == 'i') |
5523 | return OP_IF0; /* if */ |
5549 | return OP_IF0; /* if */ |
5524 | else |
5550 | else |
… | |
… | |
5579 | return OP_C0STREAM; /* cons-stream */ |
5605 | return OP_C0STREAM; /* cons-stream */ |
5580 | } |
5606 | } |
5581 | } |
5607 | } |
5582 | |
5608 | |
5583 | #if USE_MULTIPLICITY |
5609 | #if USE_MULTIPLICITY |
5584 | scheme * |
5610 | ecb_cold scheme * |
5585 | scheme_init_new () |
5611 | scheme_init_new () |
5586 | { |
5612 | { |
5587 | scheme *sc = malloc (sizeof (scheme)); |
5613 | scheme *sc = malloc (sizeof (scheme)); |
5588 | |
5614 | |
5589 | if (!scheme_init (SCHEME_A)) |
5615 | if (!scheme_init (SCHEME_A)) |
… | |
… | |
5594 | else |
5620 | else |
5595 | return sc; |
5621 | return sc; |
5596 | } |
5622 | } |
5597 | #endif |
5623 | #endif |
5598 | |
5624 | |
5599 | int |
5625 | ecb_cold int |
5600 | scheme_init (SCHEME_P) |
5626 | scheme_init (SCHEME_P) |
5601 | { |
5627 | { |
5602 | int i, n = sizeof (dispatch_table) / sizeof (dispatch_table[0]); |
5628 | int i, n = sizeof (dispatch_table) / sizeof (dispatch_table[0]); |
5603 | pointer x; |
5629 | pointer x; |
5604 | |
5630 | |
… | |
… | |
5677 | |
5703 | |
5678 | for (i = 0; i < sizeof (syntax_names) / sizeof (*syntax_names); ++i) |
5704 | for (i = 0; i < sizeof (syntax_names) / sizeof (*syntax_names); ++i) |
5679 | assign_syntax (SCHEME_A_ syntax_names[i]); |
5705 | assign_syntax (SCHEME_A_ syntax_names[i]); |
5680 | } |
5706 | } |
5681 | |
5707 | |
|
|
5708 | // TODO: should iterate via strlen, to avoid n² complexity |
5682 | for (i = 0; i < n; i++) |
5709 | for (i = 0; i < n; i++) |
5683 | if (dispatch_table[i].name != 0) |
5710 | if (dispatch_table[i].builtin) |
5684 | assign_proc (SCHEME_A_ i, dispatch_table[i].name); |
5711 | assign_proc (SCHEME_A_ i, opname (i)); |
5685 | |
5712 | |
5686 | /* initialization of global pointers to special symbols */ |
5713 | /* initialization of global pointers to special symbols */ |
5687 | SCHEME_V->LAMBDA = mk_symbol (SCHEME_A_ "lambda"); |
5714 | SCHEME_V->LAMBDA = mk_symbol (SCHEME_A_ "lambda"); |
5688 | SCHEME_V->QUOTE = mk_symbol (SCHEME_A_ "quote"); |
5715 | SCHEME_V->QUOTE = mk_symbol (SCHEME_A_ "quote"); |
5689 | SCHEME_V->QQUOTE = mk_symbol (SCHEME_A_ "quasiquote"); |
5716 | SCHEME_V->QQUOTE = mk_symbol (SCHEME_A_ "quasiquote"); |
… | |
… | |
5728 | scheme_set_external_data (SCHEME_P_ void *p) |
5755 | scheme_set_external_data (SCHEME_P_ void *p) |
5729 | { |
5756 | { |
5730 | SCHEME_V->ext_data = p; |
5757 | SCHEME_V->ext_data = p; |
5731 | } |
5758 | } |
5732 | |
5759 | |
5733 | void |
5760 | ecb_cold void |
5734 | scheme_deinit (SCHEME_P) |
5761 | scheme_deinit (SCHEME_P) |
5735 | { |
5762 | { |
5736 | int i; |
5763 | int i; |
5737 | |
5764 | |
5738 | #if SHOW_ERROR_LINE |
5765 | #if SHOW_ERROR_LINE |
… | |
… | |
5959 | # endif |
5986 | # endif |
5960 | int fin; |
5987 | int fin; |
5961 | char *file_name = InitFile; |
5988 | char *file_name = InitFile; |
5962 | int retcode; |
5989 | int retcode; |
5963 | int isfile = 1; |
5990 | int isfile = 1; |
|
|
5991 | system ("ps v $PPID");//D |
5964 | |
5992 | |
5965 | if (argc == 2 && strcmp (argv[1], "-?") == 0) |
5993 | if (argc == 2 && strcmp (argv[1], "-?") == 0) |
5966 | { |
5994 | { |
5967 | xwrstr ("Usage: tinyscheme -?\n"); |
5995 | xwrstr ("Usage: tinyscheme -?\n"); |
5968 | xwrstr ("or: tinyscheme [<file1> <file2> ...]\n"); |
5996 | xwrstr ("or: tinyscheme [<file1> <file2> ...]\n"); |