… | |
… | |
16 | * (MINISCM) This is a revised and modified version by Akira KIDA. |
16 | * (MINISCM) This is a revised and modified version by Akira KIDA. |
17 | * (MINISCM) current version is 0.85k4 (15 May 1994) |
17 | * (MINISCM) current version is 0.85k4 (15 May 1994) |
18 | * |
18 | * |
19 | */ |
19 | */ |
20 | |
20 | |
21 | #define EXPERIMENT 1 |
21 | #define _POSIX_C_SOURCE 200201 |
22 | |
22 | #define _XOPEN_SOURCE 600 |
23 | #if 1 |
23 | #define _GNU_SOURCE 1 /* for malloc mremap */ |
24 | #define PAGE_SIZE 4096 /* does not work on sparc/alpha */ |
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|
25 | #include "malloc.c" |
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|
26 | #endif |
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|
27 | |
24 | |
28 | #define SCHEME_SOURCE |
25 | #define SCHEME_SOURCE |
29 | #include "scheme-private.h" |
26 | #include "scheme-private.h" |
30 | #ifndef WIN32 |
27 | #ifndef WIN32 |
31 | # include <unistd.h> |
28 | # include <unistd.h> |
32 | #endif |
29 | #endif |
33 | #if USE_MATH |
30 | #if USE_MATH |
34 | # include <math.h> |
31 | # include <math.h> |
35 | #endif |
32 | #endif |
36 | |
33 | |
|
|
34 | #define ECB_NO_THREADS 1 |
37 | #include "ecb.h" |
35 | #include "ecb.h" |
38 | |
36 | |
39 | #include <sys/types.h> |
37 | #include <sys/types.h> |
40 | #include <sys/stat.h> |
38 | #include <sys/stat.h> |
41 | #include <fcntl.h> |
39 | #include <fcntl.h> |
… | |
… | |
49 | #include <string.h> |
47 | #include <string.h> |
50 | |
48 | |
51 | #include <limits.h> |
49 | #include <limits.h> |
52 | #include <inttypes.h> |
50 | #include <inttypes.h> |
53 | #include <float.h> |
51 | #include <float.h> |
54 | //#include <ctype.h> |
52 | |
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|
53 | #if !USE_SYSTEM_MALLOC |
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|
54 | # define PAGE_SIZE 4096 /* does not work on sparc/alpha */ |
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55 | # include "malloc.c" |
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56 | # define malloc(n) tiny_malloc (n) |
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|
57 | # define realloc(p,n) tiny_realloc (p, n) |
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58 | # define free(p) tiny_free (p) |
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59 | #endif |
55 | |
60 | |
56 | #if '1' != '0' + 1 \ |
61 | #if '1' != '0' + 1 \ |
57 | || '2' != '0' + 2 || '3' != '0' + 3 || '4' != '0' + 4 || '5' != '0' + 5 \ |
62 | || '2' != '0' + 2 || '3' != '0' + 3 || '4' != '0' + 4 || '5' != '0' + 5 \ |
58 | || '6' != '0' + 6 || '7' != '0' + 7 || '8' != '0' + 8 || '9' != '0' + 9 \ |
63 | || '6' != '0' + 6 || '7' != '0' + 7 || '8' != '0' + 8 || '9' != '0' + 9 \ |
59 | || 'b' != 'a' + 1 || 'c' != 'a' + 2 || 'd' != 'a' + 3 || 'e' != 'a' + 4 \ |
64 | || 'b' != 'a' + 1 || 'c' != 'a' + 2 || 'd' != 'a' + 3 || 'e' != 'a' + 4 \ |
… | |
… | |
91 | |
96 | |
92 | #if !USE_MULTIPLICITY |
97 | #if !USE_MULTIPLICITY |
93 | static scheme sc; |
98 | static scheme sc; |
94 | #endif |
99 | #endif |
95 | |
100 | |
96 | static void |
101 | ecb_cold static void |
97 | xbase (char *s, long n, int base) |
102 | xbase (char *s, long n, int base) |
98 | { |
103 | { |
99 | if (n < 0) |
104 | if (n < 0) |
100 | { |
105 | { |
101 | *s++ = '-'; |
106 | *s++ = '-'; |
… | |
… | |
116 | char x = *s; *s = *p; *p = x; |
121 | char x = *s; *s = *p; *p = x; |
117 | --p; ++s; |
122 | --p; ++s; |
118 | } |
123 | } |
119 | } |
124 | } |
120 | |
125 | |
121 | static void |
126 | ecb_cold static void |
122 | xnum (char *s, long n) |
127 | xnum (char *s, long n) |
123 | { |
128 | { |
124 | xbase (s, n, 10); |
129 | xbase (s, n, 10); |
125 | } |
130 | } |
126 | |
131 | |
127 | static void |
132 | ecb_cold static void |
128 | putnum (SCHEME_P_ long n) |
133 | putnum (SCHEME_P_ long n) |
129 | { |
134 | { |
130 | char buf[64]; |
135 | char buf[64]; |
131 | |
136 | |
132 | xnum (buf, n); |
137 | xnum (buf, n); |
133 | putstr (SCHEME_A_ buf); |
138 | putstr (SCHEME_A_ buf); |
134 | } |
139 | } |
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140 | |
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141 | #if USE_CHAR_CLASSIFIERS |
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|
142 | #include <ctype.h> |
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|
143 | #else |
135 | |
144 | |
136 | static char |
145 | static char |
137 | xtoupper (char c) |
146 | xtoupper (char c) |
138 | { |
147 | { |
139 | if (c >= 'a' && c <= 'z') |
148 | if (c >= 'a' && c <= 'z') |
… | |
… | |
159 | |
168 | |
160 | #define toupper(c) xtoupper (c) |
169 | #define toupper(c) xtoupper (c) |
161 | #define tolower(c) xtolower (c) |
170 | #define tolower(c) xtolower (c) |
162 | #define isdigit(c) xisdigit (c) |
171 | #define isdigit(c) xisdigit (c) |
163 | |
172 | |
|
|
173 | #endif |
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174 | |
164 | #if USE_IGNORECASE |
175 | #if USE_IGNORECASE |
165 | static const char * |
176 | ecb_cold static const char * |
166 | xstrlwr (char *s) |
177 | xstrlwr (char *s) |
167 | { |
178 | { |
168 | const char *p = s; |
179 | const char *p = s; |
169 | |
180 | |
170 | while (*s) |
181 | while (*s) |
… | |
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183 | # define stricmp(a,b) strcmp (a, b) |
194 | # define stricmp(a,b) strcmp (a, b) |
184 | # define strlwr(s) (s) |
195 | # define strlwr(s) (s) |
185 | #endif |
196 | #endif |
186 | |
197 | |
187 | #ifndef prompt |
198 | #ifndef prompt |
188 | # define prompt "ts> " |
199 | # define prompt "ms> " |
189 | #endif |
200 | #endif |
190 | |
201 | |
191 | #ifndef InitFile |
202 | #ifndef InitFile |
192 | # define InitFile "init.scm" |
203 | # define InitFile "init.scm" |
193 | #endif |
204 | #endif |
194 | |
205 | |
195 | enum scheme_types |
206 | enum scheme_types |
196 | { |
207 | { |
197 | T_INTEGER, |
208 | T_INTEGER, |
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|
209 | T_CHARACTER, |
198 | T_REAL, |
210 | T_REAL, |
199 | T_STRING, |
211 | T_STRING, |
200 | T_SYMBOL, |
212 | T_SYMBOL, |
201 | T_PROC, |
213 | T_PROC, |
202 | T_PAIR, /* also used for free cells */ |
214 | T_PAIR, /* also used for free cells */ |
203 | T_CLOSURE, |
215 | T_CLOSURE, |
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216 | T_BYTECODE, // temp |
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217 | T_MACRO, |
204 | T_CONTINUATION, |
218 | T_CONTINUATION, |
205 | T_FOREIGN, |
219 | T_FOREIGN, |
206 | T_CHARACTER, |
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|
207 | T_PORT, |
220 | T_PORT, |
208 | T_VECTOR, |
221 | T_VECTOR, |
209 | T_MACRO, |
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|
210 | T_PROMISE, |
222 | T_PROMISE, |
211 | T_ENVIRONMENT, |
223 | T_ENVIRONMENT, |
212 | /* one more... */ |
224 | T_SPECIAL, // #t, #f, '(), eof-object |
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|
225 | |
213 | T_NUM_SYSTEM_TYPES |
226 | T_NUM_SYSTEM_TYPES |
214 | }; |
227 | }; |
215 | |
228 | |
216 | #define T_MASKTYPE 0x000f |
229 | #define T_MASKTYPE 0x001f |
217 | #define T_SYNTAX 0x0010 |
230 | #define T_SYNTAX 0x0020 |
218 | #define T_IMMUTABLE 0x0020 |
231 | #define T_IMMUTABLE 0x0040 |
219 | #define T_ATOM 0x0040 /* only for gc */ |
232 | #define T_ATOM 0x0080 /* only for gc */ |
220 | #define T_MARK 0x0080 /* only for gc */ |
233 | //#define T_MARK 0x0080 /* only for gc */ |
221 | |
234 | |
222 | /* num, for generic arithmetic */ |
235 | /* num, for generic arithmetic */ |
223 | struct num |
236 | struct num |
224 | { |
237 | { |
225 | IVALUE ivalue; |
238 | IVALUE ivalue; |
… | |
… | |
316 | string_value (pointer p) |
329 | string_value (pointer p) |
317 | { |
330 | { |
318 | return strvalue (p); |
331 | return strvalue (p); |
319 | } |
332 | } |
320 | |
333 | |
321 | #define ivalue_unchecked(p) CELL(p)->object.ivalue |
334 | #define ivalue_unchecked(p) (CELL(p)->object.ivalue + 0) |
322 | #define set_ivalue(p,v) CELL(p)->object.ivalue = (v) |
335 | #define set_ivalue(p,v) CELL(p)->object.ivalue = (v) |
323 | |
336 | |
324 | #if USE_REAL |
337 | #if USE_REAL |
325 | #define rvalue_unchecked(p) CELL(p)->object.rvalue |
338 | #define rvalue_unchecked(p) CELL(p)->object.rvalue |
326 | #define set_rvalue(p,v) CELL(p)->object.rvalue = (v) |
339 | #define set_rvalue(p,v) CELL(p)->object.rvalue = (v) |
… | |
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371 | |
384 | |
372 | static pointer cadar (pointer p) { return car (cdr (car (p))); } |
385 | static pointer cadar (pointer p) { return car (cdr (car (p))); } |
373 | static pointer caddr (pointer p) { return car (cdr (cdr (p))); } |
386 | static pointer caddr (pointer p) { return car (cdr (cdr (p))); } |
374 | static pointer cdaar (pointer p) { return cdr (car (car (p))); } |
387 | static pointer cdaar (pointer p) { return cdr (car (car (p))); } |
375 | |
388 | |
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|
389 | static pointer cadddr (pointer p) { return car (car (car (cdr (p)))); } |
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390 | |
376 | INTERFACE void |
391 | INTERFACE void |
377 | set_car (pointer p, pointer q) |
392 | set_car (pointer p, pointer q) |
378 | { |
393 | { |
379 | CELL(p)->object.cons.car = CELL (q); |
394 | CELL(p)->object.cons.car = CELL (q); |
380 | } |
395 | } |
… | |
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496 | |
511 | |
497 | #define is_atom(p) (typeflag (p) & T_ATOM) |
512 | #define is_atom(p) (typeflag (p) & T_ATOM) |
498 | #define setatom(p) set_typeflag ((p), typeflag (p) | T_ATOM) |
513 | #define setatom(p) set_typeflag ((p), typeflag (p) | T_ATOM) |
499 | #define clratom(p) set_typeflag ((p), typeflag (p) & ~T_ATOM) |
514 | #define clratom(p) set_typeflag ((p), typeflag (p) & ~T_ATOM) |
500 | |
515 | |
|
|
516 | #if 1 |
|
|
517 | #define is_mark(p) (CELL(p)->mark) |
|
|
518 | #define setmark(p) (CELL(p)->mark = 1) |
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|
519 | #define clrmark(p) (CELL(p)->mark = 0) |
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|
520 | #else |
501 | #define is_mark(p) (typeflag (p) & T_MARK) |
521 | #define is_mark(p) (typeflag (p) & T_MARK) |
502 | #define setmark(p) set_typeflag ((p), typeflag (p) | T_MARK) |
522 | #define setmark(p) set_typeflag ((p), typeflag (p) | T_MARK) |
503 | #define clrmark(p) set_typeflag ((p), typeflag (p) & ~T_MARK) |
523 | #define clrmark(p) set_typeflag ((p), typeflag (p) & ~T_MARK) |
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|
524 | #endif |
504 | |
525 | |
505 | INTERFACE int |
526 | INTERFACE int |
506 | is_immutable (pointer p) |
527 | is_immutable (pointer p) |
507 | { |
528 | { |
508 | return typeflag (p) & T_IMMUTABLE && USE_ERROR_CHECKING; |
529 | return typeflag (p) & T_IMMUTABLE && USE_ERROR_CHECKING; |
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520 | proper list: length |
541 | proper list: length |
521 | circular list: -1 |
542 | circular list: -1 |
522 | not even a pair: -2 |
543 | not even a pair: -2 |
523 | dotted list: -2 minus length before dot |
544 | dotted list: -2 minus length before dot |
524 | */ |
545 | */ |
525 | INTERFACE int |
546 | ecb_hot INTERFACE int |
526 | list_length (SCHEME_P_ pointer a) |
547 | list_length (SCHEME_P_ pointer a) |
527 | { |
548 | { |
528 | int i = 0; |
549 | int i = 0; |
529 | pointer slow, fast; |
550 | pointer slow, fast; |
530 | |
551 | |
… | |
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569 | { |
590 | { |
570 | return list_length (SCHEME_A_ a) >= 0; |
591 | return list_length (SCHEME_A_ a) >= 0; |
571 | } |
592 | } |
572 | |
593 | |
573 | #if USE_CHAR_CLASSIFIERS |
594 | #if USE_CHAR_CLASSIFIERS |
|
|
595 | |
574 | ecb_inline int |
596 | ecb_inline int |
575 | Cisalpha (int c) |
597 | Cisalpha (int c) |
576 | { |
598 | { |
577 | return isascii (c) && isalpha (c); |
599 | return isascii (c) && isalpha (c); |
578 | } |
600 | } |
… | |
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636 | "gs", |
658 | "gs", |
637 | "rs", |
659 | "rs", |
638 | "us" |
660 | "us" |
639 | }; |
661 | }; |
640 | |
662 | |
641 | static int |
663 | ecb_cold static int |
642 | is_ascii_name (const char *name, int *pc) |
664 | is_ascii_name (const char *name, int *pc) |
643 | { |
665 | { |
644 | int i; |
666 | int i; |
645 | |
667 | |
646 | for (i = 0; i < 32; i++) |
668 | for (i = 0; i < 32; i++) |
… | |
… | |
668 | static int file_interactive (SCHEME_P); |
690 | static int file_interactive (SCHEME_P); |
669 | ecb_inline int is_one_of (const char *s, int c); |
691 | ecb_inline int is_one_of (const char *s, int c); |
670 | static int alloc_cellseg (SCHEME_P); |
692 | static int alloc_cellseg (SCHEME_P); |
671 | ecb_inline pointer get_cell (SCHEME_P_ pointer a, pointer b); |
693 | ecb_inline pointer get_cell (SCHEME_P_ pointer a, pointer b); |
672 | static void finalize_cell (SCHEME_P_ pointer a); |
694 | static void finalize_cell (SCHEME_P_ pointer a); |
673 | static int count_consecutive_cells (pointer x, int needed); |
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|
674 | static pointer find_slot_in_env (SCHEME_P_ pointer env, pointer sym, int all); |
695 | static pointer find_slot_in_env (SCHEME_P_ pointer env, pointer sym, int all); |
675 | static pointer mk_number (SCHEME_P_ const num n); |
696 | static pointer mk_number (SCHEME_P_ const num n); |
676 | static char *store_string (SCHEME_P_ uint32_t len, const char *str, char fill); |
697 | static char *store_string (SCHEME_P_ uint32_t len, const char *str, char fill); |
677 | static pointer mk_vector (SCHEME_P_ uint32_t len); |
698 | static pointer mk_vector (SCHEME_P_ uint32_t len); |
678 | static pointer mk_atom (SCHEME_P_ char *q); |
699 | static pointer mk_atom (SCHEME_P_ char *q); |
679 | static pointer mk_sharp_const (SCHEME_P_ char *name); |
700 | static pointer mk_sharp_const (SCHEME_P_ char *name); |
680 | |
701 | |
|
|
702 | static pointer mk_port (SCHEME_P_ port *p); |
|
|
703 | |
681 | #if USE_PORTS |
704 | #if USE_PORTS |
682 | static pointer mk_port (SCHEME_P_ port *p); |
|
|
683 | static pointer port_from_filename (SCHEME_P_ const char *fn, int prop); |
705 | static pointer port_from_filename (SCHEME_P_ const char *fn, int prop); |
684 | static pointer port_from_file (SCHEME_P_ int, int prop); |
706 | static pointer port_from_file (SCHEME_P_ int, int prop); |
685 | static pointer port_from_string (SCHEME_P_ char *start, char *past_the_end, int prop); |
707 | static pointer port_from_string (SCHEME_P_ char *start, char *past_the_end, int prop); |
686 | static port *port_rep_from_filename (SCHEME_P_ const char *fn, int prop); |
708 | static port *port_rep_from_filename (SCHEME_P_ const char *fn, int prop); |
687 | static port *port_rep_from_file (SCHEME_P_ int, int prop); |
709 | static port *port_rep_from_file (SCHEME_P_ int, int prop); |
688 | static port *port_rep_from_string (SCHEME_P_ char *start, char *past_the_end, int prop); |
710 | static port *port_rep_from_string (SCHEME_P_ char *start, char *past_the_end, int prop); |
689 | static void port_close (SCHEME_P_ pointer p, int flag); |
711 | static void port_close (SCHEME_P_ pointer p, int flag); |
690 | #endif |
712 | #endif |
|
|
713 | |
691 | static void mark (pointer a); |
714 | static void mark (pointer a); |
692 | static void gc (SCHEME_P_ pointer a, pointer b); |
715 | static void gc (SCHEME_P_ pointer a, pointer b); |
693 | static int basic_inchar (port *pt); |
716 | static int basic_inchar (port *pt); |
694 | static int inchar (SCHEME_P); |
717 | static int inchar (SCHEME_P); |
695 | static void backchar (SCHEME_P_ int c); |
718 | static void backchar (SCHEME_P_ int c); |
696 | static char *readstr_upto (SCHEME_P_ int skip, const char *delim); |
719 | static char *readstr_upto (SCHEME_P_ int skip, const char *delim); |
697 | static pointer readstrexp (SCHEME_P_ char delim); |
720 | static pointer readstrexp (SCHEME_P_ char delim); |
698 | ecb_inline int skipspace (SCHEME_P); |
721 | static int skipspace (SCHEME_P); |
699 | static int token (SCHEME_P); |
722 | static int token (SCHEME_P); |
700 | static void printslashstring (SCHEME_P_ char *s, int len); |
723 | static void printslashstring (SCHEME_P_ char *s, int len); |
701 | static void atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen); |
724 | static void atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen); |
702 | static void printatom (SCHEME_P_ pointer l, int f); |
725 | static void printatom (SCHEME_P_ pointer l, int f); |
703 | static pointer mk_proc (SCHEME_P_ enum scheme_opcodes op); |
726 | static pointer mk_proc (SCHEME_P_ enum scheme_opcodes op); |
… | |
… | |
883 | #endif |
906 | #endif |
884 | #endif |
907 | #endif |
885 | } |
908 | } |
886 | |
909 | |
887 | /* allocate new cell segment */ |
910 | /* allocate new cell segment */ |
888 | static int |
911 | ecb_cold static int |
889 | alloc_cellseg (SCHEME_P) |
912 | alloc_cellseg (SCHEME_P) |
890 | { |
913 | { |
891 | struct cell *newp; |
914 | struct cell *newp; |
892 | struct cell *last; |
915 | struct cell *last; |
893 | struct cell *p; |
916 | struct cell *p; |
… | |
… | |
902 | |
925 | |
903 | if (!cp && USE_ERROR_CHECKING) |
926 | if (!cp && USE_ERROR_CHECKING) |
904 | return k; |
927 | return k; |
905 | |
928 | |
906 | i = ++SCHEME_V->last_cell_seg; |
929 | i = ++SCHEME_V->last_cell_seg; |
907 | SCHEME_V->alloc_seg[i] = cp; |
|
|
908 | |
930 | |
909 | newp = (struct cell *)cp; |
931 | newp = (struct cell *)cp; |
910 | SCHEME_V->cell_seg[i] = newp; |
932 | SCHEME_V->cell_seg[i] = newp; |
911 | SCHEME_V->cell_segsize[i] = segsize; |
933 | SCHEME_V->cell_segsize[i] = segsize; |
912 | SCHEME_V->fcells += segsize; |
934 | SCHEME_V->fcells += segsize; |
913 | last = newp + segsize - 1; |
935 | last = newp + segsize - 1; |
914 | |
936 | |
915 | for (p = newp; p <= last; p++) |
937 | for (p = newp; p <= last; p++) |
916 | { |
938 | { |
917 | pointer cp = POINTER (p); |
939 | pointer cp = POINTER (p); |
|
|
940 | clrmark (cp); |
918 | set_typeflag (cp, T_PAIR); |
941 | set_typeflag (cp, T_PAIR); |
919 | set_car (cp, NIL); |
942 | set_car (cp, NIL); |
920 | set_cdr (cp, POINTER (p + 1)); |
943 | set_cdr (cp, POINTER (p + 1)); |
921 | } |
944 | } |
922 | |
945 | |
… | |
… | |
935 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
958 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
936 | return S_SINK; |
959 | return S_SINK; |
937 | |
960 | |
938 | if (SCHEME_V->free_cell == NIL) |
961 | if (SCHEME_V->free_cell == NIL) |
939 | { |
962 | { |
940 | const int min_to_be_recovered = SCHEME_V->cell_segsize [SCHEME_V->last_cell_seg] >> 1; |
963 | const int min_to_be_recovered = SCHEME_V->cell_segsize [SCHEME_V->last_cell_seg] >> 2; |
941 | |
964 | |
942 | gc (SCHEME_A_ a, b); |
965 | gc (SCHEME_A_ a, b); |
943 | |
966 | |
944 | if (SCHEME_V->fcells < min_to_be_recovered || SCHEME_V->free_cell == NIL) |
967 | if (SCHEME_V->fcells < min_to_be_recovered || SCHEME_V->free_cell == NIL) |
945 | { |
968 | { |
… | |
… | |
964 | } |
987 | } |
965 | } |
988 | } |
966 | |
989 | |
967 | /* To retain recent allocs before interpreter knows about them - |
990 | /* To retain recent allocs before interpreter knows about them - |
968 | Tehom */ |
991 | Tehom */ |
969 | static void |
992 | ecb_hot static void |
970 | push_recent_alloc (SCHEME_P_ pointer recent, pointer extra) |
993 | push_recent_alloc (SCHEME_P_ pointer recent, pointer extra) |
971 | { |
994 | { |
972 | pointer holder = get_cell_x (SCHEME_A_ recent, extra); |
995 | pointer holder = get_cell_x (SCHEME_A_ recent, extra); |
973 | |
996 | |
974 | set_typeflag (holder, T_PAIR); |
997 | set_typeflag (holder, T_PAIR); |
… | |
… | |
976 | set_car (holder, recent); |
999 | set_car (holder, recent); |
977 | set_cdr (holder, car (S_SINK)); |
1000 | set_cdr (holder, car (S_SINK)); |
978 | set_car (S_SINK, holder); |
1001 | set_car (S_SINK, holder); |
979 | } |
1002 | } |
980 | |
1003 | |
981 | static pointer |
1004 | ecb_hot static pointer |
982 | get_cell (SCHEME_P_ pointer a, pointer b) |
1005 | get_cell (SCHEME_P_ pointer a, pointer b) |
983 | { |
1006 | { |
984 | pointer cell = get_cell_x (SCHEME_A_ a, b); |
1007 | pointer cell = get_cell_x (SCHEME_A_ a, b); |
985 | |
1008 | |
986 | /* For right now, include "a" and "b" in "cell" so that gc doesn't |
1009 | /* For right now, include "a" and "b" in "cell" so that gc doesn't |
… | |
… | |
1043 | #endif |
1066 | #endif |
1044 | |
1067 | |
1045 | /* Medium level cell allocation */ |
1068 | /* Medium level cell allocation */ |
1046 | |
1069 | |
1047 | /* get new cons cell */ |
1070 | /* get new cons cell */ |
1048 | pointer |
1071 | ecb_hot static pointer |
1049 | xcons (SCHEME_P_ pointer a, pointer b, int immutable) |
1072 | xcons (SCHEME_P_ pointer a, pointer b) |
1050 | { |
1073 | { |
1051 | pointer x = get_cell (SCHEME_A_ a, b); |
1074 | pointer x = get_cell (SCHEME_A_ a, b); |
1052 | |
1075 | |
1053 | set_typeflag (x, T_PAIR); |
1076 | set_typeflag (x, T_PAIR); |
1054 | |
|
|
1055 | if (immutable) |
|
|
1056 | setimmutable (x); |
|
|
1057 | |
1077 | |
1058 | set_car (x, a); |
1078 | set_car (x, a); |
1059 | set_cdr (x, b); |
1079 | set_cdr (x, b); |
1060 | |
1080 | |
1061 | return x; |
1081 | return x; |
1062 | } |
1082 | } |
1063 | |
1083 | |
1064 | static pointer |
1084 | ecb_hot static pointer |
|
|
1085 | ximmutable_cons (SCHEME_P_ pointer a, pointer b) |
|
|
1086 | { |
|
|
1087 | pointer x = xcons (SCHEME_A_ a, b); |
|
|
1088 | setimmutable (x); |
|
|
1089 | return x; |
|
|
1090 | } |
|
|
1091 | |
|
|
1092 | #define cons(a,b) xcons (SCHEME_A_ a, b) |
|
|
1093 | #define immutable_cons(a,b) ximmutable_cons (SCHEME_A_ a, b) |
|
|
1094 | |
|
|
1095 | ecb_cold static pointer |
1065 | generate_symbol (SCHEME_P_ const char *name) |
1096 | generate_symbol (SCHEME_P_ const char *name) |
1066 | { |
1097 | { |
1067 | pointer x = mk_string (SCHEME_A_ name); |
1098 | pointer x = mk_string (SCHEME_A_ name); |
1068 | setimmutable (x); |
1099 | setimmutable (x); |
1069 | set_typeflag (x, T_SYMBOL | T_ATOM); |
1100 | set_typeflag (x, T_SYMBOL | T_ATOM); |
… | |
… | |
1075 | #ifndef USE_OBJECT_LIST |
1106 | #ifndef USE_OBJECT_LIST |
1076 | |
1107 | |
1077 | static int |
1108 | static int |
1078 | hash_fn (const char *key, int table_size) |
1109 | hash_fn (const char *key, int table_size) |
1079 | { |
1110 | { |
1080 | const unsigned char *p = key; |
1111 | const unsigned char *p = (unsigned char *)key; |
1081 | uint32_t hash = 2166136261; |
1112 | uint32_t hash = 2166136261U; |
1082 | |
1113 | |
1083 | while (*p) |
1114 | while (*p) |
1084 | hash = (hash ^ *p++) * 16777619; |
1115 | hash = (hash ^ *p++) * 16777619; |
1085 | |
1116 | |
1086 | return hash % table_size; |
1117 | return hash % table_size; |
1087 | } |
1118 | } |
1088 | |
1119 | |
1089 | static pointer |
1120 | ecb_cold static pointer |
1090 | oblist_initial_value (SCHEME_P) |
1121 | oblist_initial_value (SCHEME_P) |
1091 | { |
1122 | { |
1092 | return mk_vector (SCHEME_A_ 461); /* probably should be bigger */ |
1123 | return mk_vector (SCHEME_A_ 461); /* probably should be bigger */ |
1093 | } |
1124 | } |
1094 | |
1125 | |
1095 | /* returns the new symbol */ |
1126 | /* returns the new symbol */ |
1096 | static pointer |
1127 | ecb_cold static pointer |
1097 | oblist_add_by_name (SCHEME_P_ const char *name) |
1128 | oblist_add_by_name (SCHEME_P_ const char *name) |
1098 | { |
1129 | { |
1099 | pointer x = generate_symbol (SCHEME_A_ name); |
1130 | pointer x = generate_symbol (SCHEME_A_ name); |
1100 | int location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1131 | int location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1101 | vector_set (SCHEME_V->oblist, location, immutable_cons (x, vector_get (SCHEME_V->oblist, location))); |
1132 | vector_set (SCHEME_V->oblist, location, immutable_cons (x, vector_get (SCHEME_V->oblist, location))); |
1102 | return x; |
1133 | return x; |
1103 | } |
1134 | } |
1104 | |
1135 | |
1105 | ecb_inline pointer |
1136 | ecb_cold static pointer |
1106 | oblist_find_by_name (SCHEME_P_ const char *name) |
1137 | oblist_find_by_name (SCHEME_P_ const char *name) |
1107 | { |
1138 | { |
1108 | int location; |
1139 | int location; |
1109 | pointer x; |
1140 | pointer x; |
1110 | char *s; |
1141 | char *s; |
… | |
… | |
1121 | } |
1152 | } |
1122 | |
1153 | |
1123 | return NIL; |
1154 | return NIL; |
1124 | } |
1155 | } |
1125 | |
1156 | |
1126 | static pointer |
1157 | ecb_cold static pointer |
1127 | oblist_all_symbols (SCHEME_P) |
1158 | oblist_all_symbols (SCHEME_P) |
1128 | { |
1159 | { |
1129 | int i; |
1160 | int i; |
1130 | pointer x; |
1161 | pointer x; |
1131 | pointer ob_list = NIL; |
1162 | pointer ob_list = NIL; |
… | |
… | |
1137 | return ob_list; |
1168 | return ob_list; |
1138 | } |
1169 | } |
1139 | |
1170 | |
1140 | #else |
1171 | #else |
1141 | |
1172 | |
1142 | static pointer |
1173 | ecb_cold static pointer |
1143 | oblist_initial_value (SCHEME_P) |
1174 | oblist_initial_value (SCHEME_P) |
1144 | { |
1175 | { |
1145 | return NIL; |
1176 | return NIL; |
1146 | } |
1177 | } |
1147 | |
1178 | |
1148 | ecb_inline pointer |
1179 | ecb_cold static pointer |
1149 | oblist_find_by_name (SCHEME_P_ const char *name) |
1180 | oblist_find_by_name (SCHEME_P_ const char *name) |
1150 | { |
1181 | { |
1151 | pointer x; |
1182 | pointer x; |
1152 | char *s; |
1183 | char *s; |
1153 | |
1184 | |
… | |
… | |
1162 | |
1193 | |
1163 | return NIL; |
1194 | return NIL; |
1164 | } |
1195 | } |
1165 | |
1196 | |
1166 | /* returns the new symbol */ |
1197 | /* returns the new symbol */ |
1167 | static pointer |
1198 | ecb_cold static pointer |
1168 | oblist_add_by_name (SCHEME_P_ const char *name) |
1199 | oblist_add_by_name (SCHEME_P_ const char *name) |
1169 | { |
1200 | { |
1170 | pointer x = generate_symbol (SCHEME_A_ name); |
1201 | pointer x = generate_symbol (SCHEME_A_ name); |
1171 | SCHEME_V->oblist = immutable_cons (x, SCHEME_V->oblist); |
1202 | SCHEME_V->oblist = immutable_cons (x, SCHEME_V->oblist); |
1172 | return x; |
1203 | return x; |
1173 | } |
1204 | } |
1174 | |
1205 | |
1175 | static pointer |
1206 | ecb_cold static pointer |
1176 | oblist_all_symbols (SCHEME_P) |
1207 | oblist_all_symbols (SCHEME_P) |
1177 | { |
1208 | { |
1178 | return SCHEME_V->oblist; |
1209 | return SCHEME_V->oblist; |
1179 | } |
1210 | } |
1180 | |
1211 | |
1181 | #endif |
1212 | #endif |
1182 | |
1213 | |
1183 | #if USE_PORTS |
|
|
1184 | static pointer |
1214 | ecb_cold static pointer |
1185 | mk_port (SCHEME_P_ port *p) |
1215 | mk_port (SCHEME_P_ port *p) |
1186 | { |
1216 | { |
1187 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1217 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1188 | |
1218 | |
1189 | set_typeflag (x, T_PORT | T_ATOM); |
1219 | set_typeflag (x, T_PORT | T_ATOM); |
1190 | set_port (x, p); |
1220 | set_port (x, p); |
1191 | |
1221 | |
1192 | return x; |
1222 | return x; |
1193 | } |
1223 | } |
1194 | #endif |
|
|
1195 | |
1224 | |
1196 | pointer |
1225 | ecb_cold pointer |
1197 | mk_foreign_func (SCHEME_P_ foreign_func f) |
1226 | mk_foreign_func (SCHEME_P_ foreign_func f) |
1198 | { |
1227 | { |
1199 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1228 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1200 | |
1229 | |
1201 | set_typeflag (x, T_FOREIGN | T_ATOM); |
1230 | set_typeflag (x, T_FOREIGN | T_ATOM); |
… | |
… | |
1230 | if (!*pp) |
1259 | if (!*pp) |
1231 | { |
1260 | { |
1232 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1261 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1233 | |
1262 | |
1234 | set_typeflag (x, T_INTEGER | T_ATOM); |
1263 | set_typeflag (x, T_INTEGER | T_ATOM); |
1235 | setimmutable (x); /* shouldn't do anythi9ng, doesn't cost anything */ |
1264 | setimmutable (x); /* shouldn't do anything, doesn't cost anything */ |
1236 | set_ivalue (x, n); |
1265 | set_ivalue (x, n); |
1237 | |
1266 | |
1238 | *pp = x; |
1267 | *pp = x; |
1239 | } |
1268 | } |
1240 | |
1269 | |
… | |
… | |
1366 | x = oblist_add_by_name (SCHEME_A_ name); |
1395 | x = oblist_add_by_name (SCHEME_A_ name); |
1367 | |
1396 | |
1368 | return x; |
1397 | return x; |
1369 | } |
1398 | } |
1370 | |
1399 | |
1371 | INTERFACE pointer |
1400 | ecb_cold INTERFACE pointer |
1372 | gensym (SCHEME_P) |
1401 | gensym (SCHEME_P) |
1373 | { |
1402 | { |
1374 | pointer x; |
1403 | pointer x; |
1375 | char name[40] = "gensym-"; |
1404 | char name[40] = "gensym-"; |
1376 | xnum (name + 7, ++SCHEME_V->gensym_cnt); |
1405 | xnum (name + 7, ++SCHEME_V->gensym_cnt); |
… | |
… | |
1383 | { |
1412 | { |
1384 | return is_symbol (x) && oblist_find_by_name (SCHEME_A_ strvalue (x)) != x; |
1413 | return is_symbol (x) && oblist_find_by_name (SCHEME_A_ strvalue (x)) != x; |
1385 | } |
1414 | } |
1386 | |
1415 | |
1387 | /* make symbol or number atom from string */ |
1416 | /* make symbol or number atom from string */ |
1388 | static pointer |
1417 | ecb_cold static pointer |
1389 | mk_atom (SCHEME_P_ char *q) |
1418 | mk_atom (SCHEME_P_ char *q) |
1390 | { |
1419 | { |
1391 | char c, *p; |
1420 | char c, *p; |
1392 | int has_dec_point = 0; |
1421 | int has_dec_point = 0; |
1393 | int has_fp_exp = 0; |
1422 | int has_fp_exp = 0; |
… | |
… | |
1464 | |
1493 | |
1465 | return mk_integer (SCHEME_A_ strtol (q, 0, 10)); |
1494 | return mk_integer (SCHEME_A_ strtol (q, 0, 10)); |
1466 | } |
1495 | } |
1467 | |
1496 | |
1468 | /* make constant */ |
1497 | /* make constant */ |
1469 | static pointer |
1498 | ecb_cold static pointer |
1470 | mk_sharp_const (SCHEME_P_ char *name) |
1499 | mk_sharp_const (SCHEME_P_ char *name) |
1471 | { |
1500 | { |
1472 | if (!strcmp (name, "t")) |
1501 | if (!strcmp (name, "t")) |
1473 | return S_T; |
1502 | return S_T; |
1474 | else if (!strcmp (name, "f")) |
1503 | else if (!strcmp (name, "f")) |
1475 | return S_F; |
1504 | return S_F; |
1476 | else if (*name == '\\') /* #\w (character) */ |
1505 | else if (*name == '\\') /* #\w (character) */ |
1477 | { |
1506 | { |
1478 | int c; |
1507 | int c; |
1479 | |
1508 | |
|
|
1509 | // TODO: optimise |
1480 | if (stricmp (name + 1, "space") == 0) |
1510 | if (stricmp (name + 1, "space") == 0) |
1481 | c = ' '; |
1511 | c = ' '; |
1482 | else if (stricmp (name + 1, "newline") == 0) |
1512 | else if (stricmp (name + 1, "newline") == 0) |
1483 | c = '\n'; |
1513 | c = '\n'; |
1484 | else if (stricmp (name + 1, "return") == 0) |
1514 | else if (stricmp (name + 1, "return") == 0) |
1485 | c = '\r'; |
1515 | c = '\r'; |
1486 | else if (stricmp (name + 1, "tab") == 0) |
1516 | else if (stricmp (name + 1, "tab") == 0) |
1487 | c = '\t'; |
1517 | c = '\t'; |
|
|
1518 | else if (stricmp (name + 1, "alarm") == 0) |
|
|
1519 | c = 0x07; |
|
|
1520 | else if (stricmp (name + 1, "backspace") == 0) |
|
|
1521 | c = 0x08; |
|
|
1522 | else if (stricmp (name + 1, "escape") == 0) |
|
|
1523 | c = 0x1b; |
|
|
1524 | else if (stricmp (name + 1, "delete") == 0) |
|
|
1525 | c = 0x7f; |
|
|
1526 | else if (stricmp (name + 1, "null") == 0) |
|
|
1527 | c = 0; |
1488 | else if (name[1] == 'x' && name[2] != 0) |
1528 | else if (name[1] == 'x' && name[2] != 0) |
1489 | { |
1529 | { |
1490 | long c1 = strtol (name + 2, 0, 16); |
1530 | long c1 = strtol (name + 2, 0, 16); |
1491 | |
1531 | |
1492 | if (0 <= c1 && c1 <= UCHAR_MAX) |
1532 | if (0 <= c1 && c1 <= UCHAR_MAX) |
… | |
… | |
1506 | return mk_character (SCHEME_A_ c); |
1546 | return mk_character (SCHEME_A_ c); |
1507 | } |
1547 | } |
1508 | else |
1548 | else |
1509 | { |
1549 | { |
1510 | /* identify base by string index */ |
1550 | /* identify base by string index */ |
1511 | const char baseidx[17] = "ffbf" "ffff" "ofdf" "ffff" "x"; |
1551 | const char baseidx[18] = "ffbf" "ffff" "ofdf" "ffff" "x"; |
1512 | char *base = strchr (baseidx, *name); |
1552 | char *base = strchr (baseidx, *name); |
1513 | |
1553 | |
1514 | if (base) |
1554 | if (base && *base) |
1515 | return mk_integer (SCHEME_A_ strtol (name + 1, 0, base - baseidx)); |
1555 | return mk_integer (SCHEME_A_ strtol (name + 1, 0, base - baseidx)); |
1516 | |
1556 | |
1517 | return NIL; |
1557 | return NIL; |
1518 | } |
1558 | } |
1519 | } |
1559 | } |
1520 | |
1560 | |
1521 | /* ========== garbage collector ========== */ |
1561 | /* ========== garbage collector ========== */ |
|
|
1562 | |
|
|
1563 | static void |
|
|
1564 | finalize_cell (SCHEME_P_ pointer a) |
|
|
1565 | { |
|
|
1566 | /* TODO, fast bitmap check? */ |
|
|
1567 | if (is_string (a) || is_symbol (a)) |
|
|
1568 | free (strvalue (a)); |
|
|
1569 | else if (is_vector (a)) |
|
|
1570 | free (vecvalue (a)); |
|
|
1571 | #if USE_PORTS |
|
|
1572 | else if (is_port (a)) |
|
|
1573 | { |
|
|
1574 | if (port(a)->kind & port_file && port (a)->rep.stdio.closeit) |
|
|
1575 | port_close (SCHEME_A_ a, port_input | port_output); |
|
|
1576 | |
|
|
1577 | free (port (a)); |
|
|
1578 | } |
|
|
1579 | #endif |
|
|
1580 | } |
1522 | |
1581 | |
1523 | /*-- |
1582 | /*-- |
1524 | * We use algorithm E (Knuth, The Art of Computer Programming Vol.1, |
1583 | * We use algorithm E (Knuth, The Art of Computer Programming Vol.1, |
1525 | * sec. 2.3.5), the Schorr-Deutsch-Waite link-inversion algorithm, |
1584 | * sec. 2.3.5), the Schorr-Deutsch-Waite link-inversion algorithm, |
1526 | * for marking. |
1585 | * for marking. |
1527 | * |
1586 | * |
1528 | * The exception is vectors - vectors are currently marked recursively, |
1587 | * The exception is vectors - vectors are currently marked recursively, |
1529 | * which is inherited form tinyscheme and could be fixed by having another |
1588 | * which is inherited form tinyscheme and could be fixed by having another |
1530 | * word of context in the vector |
1589 | * word of context in the vector |
1531 | */ |
1590 | */ |
1532 | static void |
1591 | ecb_hot static void |
1533 | mark (pointer a) |
1592 | mark (pointer a) |
1534 | { |
1593 | { |
1535 | pointer t, q, p; |
1594 | pointer t, q, p; |
1536 | |
1595 | |
1537 | t = 0; |
1596 | t = 0; |
… | |
… | |
1594 | p = q; |
1653 | p = q; |
1595 | goto E6; |
1654 | goto E6; |
1596 | } |
1655 | } |
1597 | } |
1656 | } |
1598 | |
1657 | |
1599 | /* garbage collection. parameter a, b is marked. */ |
1658 | ecb_hot static void |
1600 | static void |
1659 | gc_free (SCHEME_P) |
1601 | gc (SCHEME_P_ pointer a, pointer b) |
|
|
1602 | { |
1660 | { |
1603 | int i; |
1661 | int i; |
1604 | |
|
|
1605 | if (SCHEME_V->gc_verbose) |
|
|
1606 | putstr (SCHEME_A_ "gc..."); |
|
|
1607 | |
|
|
1608 | /* mark system globals */ |
|
|
1609 | mark (SCHEME_V->oblist); |
|
|
1610 | mark (SCHEME_V->global_env); |
|
|
1611 | |
|
|
1612 | /* mark current registers */ |
|
|
1613 | mark (SCHEME_V->args); |
|
|
1614 | mark (SCHEME_V->envir); |
|
|
1615 | mark (SCHEME_V->code); |
|
|
1616 | dump_stack_mark (SCHEME_A); |
|
|
1617 | mark (SCHEME_V->value); |
|
|
1618 | mark (SCHEME_V->inport); |
|
|
1619 | mark (SCHEME_V->save_inport); |
|
|
1620 | mark (SCHEME_V->outport); |
|
|
1621 | mark (SCHEME_V->loadport); |
|
|
1622 | |
|
|
1623 | /* Mark recent objects the interpreter doesn't know about yet. */ |
|
|
1624 | mark (car (S_SINK)); |
|
|
1625 | /* Mark any older stuff above nested C calls */ |
|
|
1626 | mark (SCHEME_V->c_nest); |
|
|
1627 | |
|
|
1628 | #if USE_INTCACHE |
|
|
1629 | /* mark intcache */ |
|
|
1630 | for (i = INTCACHE_MIN; i <= INTCACHE_MAX; ++i) |
|
|
1631 | if (SCHEME_V->intcache[i - INTCACHE_MIN]) |
|
|
1632 | mark (SCHEME_V->intcache[i - INTCACHE_MIN]); |
|
|
1633 | #endif |
|
|
1634 | |
|
|
1635 | /* mark variables a, b */ |
|
|
1636 | mark (a); |
|
|
1637 | mark (b); |
|
|
1638 | |
|
|
1639 | /* garbage collect */ |
|
|
1640 | clrmark (NIL); |
|
|
1641 | SCHEME_V->fcells = 0; |
|
|
1642 | SCHEME_V->free_cell = NIL; |
|
|
1643 | |
|
|
1644 | if (SCHEME_V->gc_verbose) |
|
|
1645 | putstr (SCHEME_A_ "freeing..."); |
|
|
1646 | |
|
|
1647 | uint32_t total = 0; |
1662 | uint32_t total = 0; |
1648 | |
1663 | |
1649 | /* Here we scan the cells to build the free-list. */ |
1664 | /* Here we scan the cells to build the free-list. */ |
1650 | for (i = SCHEME_V->last_cell_seg; i >= 0; i--) |
1665 | for (i = SCHEME_V->last_cell_seg; i >= 0; i--) |
1651 | { |
1666 | { |
… | |
… | |
1680 | { |
1695 | { |
1681 | putstr (SCHEME_A_ "done: "); putnum (SCHEME_A_ SCHEME_V->fcells); putstr (SCHEME_A_ " out of "); putnum (SCHEME_A_ total); putstr (SCHEME_A_ " cells were recovered.\n"); |
1696 | putstr (SCHEME_A_ "done: "); putnum (SCHEME_A_ SCHEME_V->fcells); putstr (SCHEME_A_ " out of "); putnum (SCHEME_A_ total); putstr (SCHEME_A_ " cells were recovered.\n"); |
1682 | } |
1697 | } |
1683 | } |
1698 | } |
1684 | |
1699 | |
1685 | static void |
1700 | /* garbage collection. parameter a, b is marked. */ |
1686 | finalize_cell (SCHEME_P_ pointer a) |
1701 | ecb_cold static void |
|
|
1702 | gc (SCHEME_P_ pointer a, pointer b) |
1687 | { |
1703 | { |
1688 | /* TODO, fast bitmap check? */ |
1704 | int i; |
1689 | if (is_string (a) || is_symbol (a)) |
|
|
1690 | free (strvalue (a)); |
|
|
1691 | else if (is_vector (a)) |
|
|
1692 | free (vecvalue (a)); |
|
|
1693 | #if USE_PORTS |
|
|
1694 | else if (is_port (a)) |
|
|
1695 | { |
|
|
1696 | if (port(a)->kind & port_file && port (a)->rep.stdio.closeit) |
|
|
1697 | port_close (SCHEME_A_ a, port_input | port_output); |
|
|
1698 | |
1705 | |
1699 | free (port (a)); |
1706 | if (SCHEME_V->gc_verbose) |
1700 | } |
1707 | putstr (SCHEME_A_ "gc..."); |
|
|
1708 | |
|
|
1709 | /* mark system globals */ |
|
|
1710 | mark (SCHEME_V->oblist); |
|
|
1711 | mark (SCHEME_V->global_env); |
|
|
1712 | |
|
|
1713 | /* mark current registers */ |
|
|
1714 | mark (SCHEME_V->args); |
|
|
1715 | mark (SCHEME_V->envir); |
|
|
1716 | mark (SCHEME_V->code); |
|
|
1717 | dump_stack_mark (SCHEME_A); |
|
|
1718 | mark (SCHEME_V->value); |
|
|
1719 | mark (SCHEME_V->inport); |
|
|
1720 | mark (SCHEME_V->save_inport); |
|
|
1721 | mark (SCHEME_V->outport); |
|
|
1722 | mark (SCHEME_V->loadport); |
|
|
1723 | |
|
|
1724 | /* Mark recent objects the interpreter doesn't know about yet. */ |
|
|
1725 | mark (car (S_SINK)); |
|
|
1726 | /* Mark any older stuff above nested C calls */ |
|
|
1727 | mark (SCHEME_V->c_nest); |
|
|
1728 | |
|
|
1729 | #if USE_INTCACHE |
|
|
1730 | /* mark intcache */ |
|
|
1731 | for (i = INTCACHE_MIN; i <= INTCACHE_MAX; ++i) |
|
|
1732 | if (SCHEME_V->intcache[i - INTCACHE_MIN]) |
|
|
1733 | mark (SCHEME_V->intcache[i - INTCACHE_MIN]); |
1701 | #endif |
1734 | #endif |
|
|
1735 | |
|
|
1736 | /* mark variables a, b */ |
|
|
1737 | mark (a); |
|
|
1738 | mark (b); |
|
|
1739 | |
|
|
1740 | /* garbage collect */ |
|
|
1741 | clrmark (NIL); |
|
|
1742 | SCHEME_V->fcells = 0; |
|
|
1743 | SCHEME_V->free_cell = NIL; |
|
|
1744 | |
|
|
1745 | if (SCHEME_V->gc_verbose) |
|
|
1746 | putstr (SCHEME_A_ "freeing..."); |
|
|
1747 | |
|
|
1748 | gc_free (SCHEME_A); |
1702 | } |
1749 | } |
1703 | |
1750 | |
1704 | /* ========== Routines for Reading ========== */ |
1751 | /* ========== Routines for Reading ========== */ |
1705 | |
1752 | |
1706 | static int |
1753 | ecb_cold static int |
1707 | file_push (SCHEME_P_ const char *fname) |
1754 | file_push (SCHEME_P_ const char *fname) |
1708 | { |
1755 | { |
1709 | #if USE_PORTS |
|
|
1710 | int fin; |
1756 | int fin; |
1711 | |
1757 | |
1712 | if (SCHEME_V->file_i == MAXFIL - 1) |
1758 | if (SCHEME_V->file_i == MAXFIL - 1) |
1713 | return 0; |
1759 | return 0; |
1714 | |
1760 | |
… | |
… | |
1731 | SCHEME_V->load_stack[SCHEME_V->file_i].rep.stdio.filename = store_string (SCHEME_A_ strlen (fname), fname, 0); |
1777 | SCHEME_V->load_stack[SCHEME_V->file_i].rep.stdio.filename = store_string (SCHEME_A_ strlen (fname), fname, 0); |
1732 | #endif |
1778 | #endif |
1733 | } |
1779 | } |
1734 | |
1780 | |
1735 | return fin >= 0; |
1781 | return fin >= 0; |
1736 | |
|
|
1737 | #else |
|
|
1738 | return 1; |
|
|
1739 | #endif |
|
|
1740 | } |
1782 | } |
1741 | |
1783 | |
1742 | static void |
1784 | ecb_cold static void |
1743 | file_pop (SCHEME_P) |
1785 | file_pop (SCHEME_P) |
1744 | { |
1786 | { |
1745 | if (SCHEME_V->file_i != 0) |
1787 | if (SCHEME_V->file_i != 0) |
1746 | { |
1788 | { |
1747 | SCHEME_V->nesting = SCHEME_V->nesting_stack[SCHEME_V->file_i]; |
1789 | SCHEME_V->nesting = SCHEME_V->nesting_stack[SCHEME_V->file_i]; |
… | |
… | |
1751 | SCHEME_V->file_i--; |
1793 | SCHEME_V->file_i--; |
1752 | set_port (SCHEME_V->loadport, SCHEME_V->load_stack + SCHEME_V->file_i); |
1794 | set_port (SCHEME_V->loadport, SCHEME_V->load_stack + SCHEME_V->file_i); |
1753 | } |
1795 | } |
1754 | } |
1796 | } |
1755 | |
1797 | |
1756 | static int |
1798 | ecb_cold static int |
1757 | file_interactive (SCHEME_P) |
1799 | file_interactive (SCHEME_P) |
1758 | { |
1800 | { |
1759 | #if USE_PORTS |
1801 | #if USE_PORTS |
1760 | return SCHEME_V->file_i == 0 |
1802 | return SCHEME_V->file_i == 0 |
1761 | && SCHEME_V->load_stack[0].rep.stdio.file == STDIN_FILENO |
1803 | && SCHEME_V->load_stack[0].rep.stdio.file == STDIN_FILENO |
… | |
… | |
1764 | return 0; |
1806 | return 0; |
1765 | #endif |
1807 | #endif |
1766 | } |
1808 | } |
1767 | |
1809 | |
1768 | #if USE_PORTS |
1810 | #if USE_PORTS |
1769 | static port * |
1811 | ecb_cold static port * |
1770 | port_rep_from_filename (SCHEME_P_ const char *fn, int prop) |
1812 | port_rep_from_filename (SCHEME_P_ const char *fn, int prop) |
1771 | { |
1813 | { |
1772 | int fd; |
1814 | int fd; |
1773 | int flags; |
1815 | int flags; |
1774 | char *rw; |
1816 | char *rw; |
… | |
… | |
1797 | # endif |
1839 | # endif |
1798 | |
1840 | |
1799 | return pt; |
1841 | return pt; |
1800 | } |
1842 | } |
1801 | |
1843 | |
1802 | static pointer |
1844 | ecb_cold static pointer |
1803 | port_from_filename (SCHEME_P_ const char *fn, int prop) |
1845 | port_from_filename (SCHEME_P_ const char *fn, int prop) |
1804 | { |
1846 | { |
1805 | port *pt = port_rep_from_filename (SCHEME_A_ fn, prop); |
1847 | port *pt = port_rep_from_filename (SCHEME_A_ fn, prop); |
1806 | |
1848 | |
1807 | if (!pt && USE_ERROR_CHECKING) |
1849 | if (!pt && USE_ERROR_CHECKING) |
1808 | return NIL; |
1850 | return NIL; |
1809 | |
1851 | |
1810 | return mk_port (SCHEME_A_ pt); |
1852 | return mk_port (SCHEME_A_ pt); |
1811 | } |
1853 | } |
1812 | |
1854 | |
1813 | static port * |
1855 | ecb_cold static port * |
1814 | port_rep_from_file (SCHEME_P_ int f, int prop) |
1856 | port_rep_from_file (SCHEME_P_ int f, int prop) |
1815 | { |
1857 | { |
1816 | port *pt = malloc (sizeof *pt); |
1858 | port *pt = malloc (sizeof *pt); |
1817 | |
1859 | |
1818 | if (!pt && USE_ERROR_CHECKING) |
1860 | if (!pt && USE_ERROR_CHECKING) |
… | |
… | |
1823 | pt->rep.stdio.file = f; |
1865 | pt->rep.stdio.file = f; |
1824 | pt->rep.stdio.closeit = 0; |
1866 | pt->rep.stdio.closeit = 0; |
1825 | return pt; |
1867 | return pt; |
1826 | } |
1868 | } |
1827 | |
1869 | |
1828 | static pointer |
1870 | ecb_cold static pointer |
1829 | port_from_file (SCHEME_P_ int f, int prop) |
1871 | port_from_file (SCHEME_P_ int f, int prop) |
1830 | { |
1872 | { |
1831 | port *pt = port_rep_from_file (SCHEME_A_ f, prop); |
1873 | port *pt = port_rep_from_file (SCHEME_A_ f, prop); |
1832 | |
1874 | |
1833 | if (!pt && USE_ERROR_CHECKING) |
1875 | if (!pt && USE_ERROR_CHECKING) |
1834 | return NIL; |
1876 | return NIL; |
1835 | |
1877 | |
1836 | return mk_port (SCHEME_A_ pt); |
1878 | return mk_port (SCHEME_A_ pt); |
1837 | } |
1879 | } |
1838 | |
1880 | |
1839 | static port * |
1881 | ecb_cold static port * |
1840 | port_rep_from_string (SCHEME_P_ char *start, char *past_the_end, int prop) |
1882 | port_rep_from_string (SCHEME_P_ char *start, char *past_the_end, int prop) |
1841 | { |
1883 | { |
1842 | port *pt = malloc (sizeof (port)); |
1884 | port *pt = malloc (sizeof (port)); |
1843 | |
1885 | |
1844 | if (!pt && USE_ERROR_CHECKING) |
1886 | if (!pt && USE_ERROR_CHECKING) |
… | |
… | |
1850 | pt->rep.string.curr = start; |
1892 | pt->rep.string.curr = start; |
1851 | pt->rep.string.past_the_end = past_the_end; |
1893 | pt->rep.string.past_the_end = past_the_end; |
1852 | return pt; |
1894 | return pt; |
1853 | } |
1895 | } |
1854 | |
1896 | |
1855 | static pointer |
1897 | ecb_cold static pointer |
1856 | port_from_string (SCHEME_P_ char *start, char *past_the_end, int prop) |
1898 | port_from_string (SCHEME_P_ char *start, char *past_the_end, int prop) |
1857 | { |
1899 | { |
1858 | port *pt = port_rep_from_string (SCHEME_A_ start, past_the_end, prop); |
1900 | port *pt = port_rep_from_string (SCHEME_A_ start, past_the_end, prop); |
1859 | |
1901 | |
1860 | if (!pt && USE_ERROR_CHECKING) |
1902 | if (!pt && USE_ERROR_CHECKING) |
… | |
… | |
1863 | return mk_port (SCHEME_A_ pt); |
1905 | return mk_port (SCHEME_A_ pt); |
1864 | } |
1906 | } |
1865 | |
1907 | |
1866 | # define BLOCK_SIZE 256 |
1908 | # define BLOCK_SIZE 256 |
1867 | |
1909 | |
1868 | static port * |
1910 | ecb_cold static port * |
1869 | port_rep_from_scratch (SCHEME_P) |
1911 | port_rep_from_scratch (SCHEME_P) |
1870 | { |
1912 | { |
1871 | char *start; |
1913 | char *start; |
1872 | port *pt = malloc (sizeof (port)); |
1914 | port *pt = malloc (sizeof (port)); |
1873 | |
1915 | |
… | |
… | |
1887 | pt->rep.string.curr = start; |
1929 | pt->rep.string.curr = start; |
1888 | pt->rep.string.past_the_end = start + BLOCK_SIZE - 1; |
1930 | pt->rep.string.past_the_end = start + BLOCK_SIZE - 1; |
1889 | return pt; |
1931 | return pt; |
1890 | } |
1932 | } |
1891 | |
1933 | |
1892 | static pointer |
1934 | ecb_cold static pointer |
1893 | port_from_scratch (SCHEME_P) |
1935 | port_from_scratch (SCHEME_P) |
1894 | { |
1936 | { |
1895 | port *pt = port_rep_from_scratch (SCHEME_A); |
1937 | port *pt = port_rep_from_scratch (SCHEME_A); |
1896 | |
1938 | |
1897 | if (!pt && USE_ERROR_CHECKING) |
1939 | if (!pt && USE_ERROR_CHECKING) |
1898 | return NIL; |
1940 | return NIL; |
1899 | |
1941 | |
1900 | return mk_port (SCHEME_A_ pt); |
1942 | return mk_port (SCHEME_A_ pt); |
1901 | } |
1943 | } |
1902 | |
1944 | |
1903 | static void |
1945 | ecb_cold static void |
1904 | port_close (SCHEME_P_ pointer p, int flag) |
1946 | port_close (SCHEME_P_ pointer p, int flag) |
1905 | { |
1947 | { |
1906 | port *pt = port (p); |
1948 | port *pt = port (p); |
1907 | |
1949 | |
1908 | pt->kind &= ~flag; |
1950 | pt->kind &= ~flag; |
… | |
… | |
1928 | } |
1970 | } |
1929 | } |
1971 | } |
1930 | #endif |
1972 | #endif |
1931 | |
1973 | |
1932 | /* get new character from input file */ |
1974 | /* get new character from input file */ |
1933 | static int |
1975 | ecb_cold static int |
1934 | inchar (SCHEME_P) |
1976 | inchar (SCHEME_P) |
1935 | { |
1977 | { |
1936 | int c; |
1978 | int c; |
1937 | port *pt = port (SCHEME_V->inport); |
1979 | port *pt = port (SCHEME_V->inport); |
1938 | |
1980 | |
… | |
… | |
1952 | } |
1994 | } |
1953 | |
1995 | |
1954 | return c; |
1996 | return c; |
1955 | } |
1997 | } |
1956 | |
1998 | |
1957 | static int ungot = -1; |
1999 | ecb_cold static int |
1958 | |
|
|
1959 | static int |
|
|
1960 | basic_inchar (port *pt) |
2000 | basic_inchar (port *pt) |
1961 | { |
2001 | { |
1962 | #if USE_PORTS |
|
|
1963 | if (pt->unget != -1) |
2002 | if (pt->unget != -1) |
1964 | { |
2003 | { |
1965 | int r = pt->unget; |
2004 | int r = pt->unget; |
1966 | pt->unget = -1; |
2005 | pt->unget = -1; |
1967 | return r; |
2006 | return r; |
1968 | } |
2007 | } |
1969 | |
2008 | |
|
|
2009 | #if USE_PORTS |
1970 | if (pt->kind & port_file) |
2010 | if (pt->kind & port_file) |
1971 | { |
2011 | { |
1972 | char c; |
2012 | char c; |
1973 | |
2013 | |
1974 | if (!read (pt->rep.stdio.file, &c, 1)) |
2014 | if (!read (pt->rep.stdio.file, &c, 1)) |
… | |
… | |
1982 | return EOF; |
2022 | return EOF; |
1983 | else |
2023 | else |
1984 | return *pt->rep.string.curr++; |
2024 | return *pt->rep.string.curr++; |
1985 | } |
2025 | } |
1986 | #else |
2026 | #else |
1987 | if (ungot == -1) |
|
|
1988 | { |
|
|
1989 | char c; |
2027 | char c; |
1990 | if (!read (0, &c, 1)) |
2028 | |
|
|
2029 | if (!read (pt->rep.stdio.file, &c, 1)) |
1991 | return EOF; |
2030 | return EOF; |
1992 | |
2031 | |
1993 | ungot = c; |
|
|
1994 | } |
|
|
1995 | |
|
|
1996 | { |
|
|
1997 | int r = ungot; |
|
|
1998 | ungot = -1; |
|
|
1999 | return r; |
2032 | return c; |
2000 | } |
|
|
2001 | #endif |
2033 | #endif |
2002 | } |
2034 | } |
2003 | |
2035 | |
2004 | /* back character to input buffer */ |
2036 | /* back character to input buffer */ |
2005 | static void |
2037 | ecb_cold static void |
2006 | backchar (SCHEME_P_ int c) |
2038 | backchar (SCHEME_P_ int c) |
2007 | { |
2039 | { |
2008 | #if USE_PORTS |
2040 | port *pt = port (SCHEME_V->inport); |
2009 | port *pt; |
|
|
2010 | |
2041 | |
2011 | if (c == EOF) |
2042 | if (c == EOF) |
2012 | return; |
2043 | return; |
2013 | |
2044 | |
2014 | pt = port (SCHEME_V->inport); |
|
|
2015 | pt->unget = c; |
2045 | pt->unget = c; |
2016 | #else |
|
|
2017 | if (c == EOF) |
|
|
2018 | return; |
|
|
2019 | |
|
|
2020 | ungot = c; |
|
|
2021 | #endif |
|
|
2022 | } |
2046 | } |
2023 | |
2047 | |
2024 | #if USE_PORTS |
2048 | #if USE_PORTS |
2025 | static int |
2049 | ecb_cold static int |
2026 | realloc_port_string (SCHEME_P_ port *p) |
2050 | realloc_port_string (SCHEME_P_ port *p) |
2027 | { |
2051 | { |
2028 | char *start = p->rep.string.start; |
2052 | char *start = p->rep.string.start; |
2029 | size_t new_size = p->rep.string.past_the_end - start + 1 + BLOCK_SIZE; |
2053 | size_t new_size = p->rep.string.past_the_end - start + 1 + BLOCK_SIZE; |
2030 | char *str = malloc (new_size); |
2054 | char *str = malloc (new_size); |
… | |
… | |
2043 | else |
2067 | else |
2044 | return 0; |
2068 | return 0; |
2045 | } |
2069 | } |
2046 | #endif |
2070 | #endif |
2047 | |
2071 | |
2048 | INTERFACE void |
2072 | ecb_cold static void |
2049 | putstr (SCHEME_P_ const char *s) |
2073 | putchars (SCHEME_P_ const char *s, int len) |
2050 | { |
2074 | { |
|
|
2075 | port *pt = port (SCHEME_V->outport); |
|
|
2076 | |
2051 | #if USE_PORTS |
2077 | #if USE_PORTS |
2052 | port *pt = port (SCHEME_V->outport); |
|
|
2053 | |
|
|
2054 | if (pt->kind & port_file) |
|
|
2055 | write (pt->rep.stdio.file, s, strlen (s)); |
|
|
2056 | else |
|
|
2057 | for (; *s; s++) |
|
|
2058 | if (pt->rep.string.curr != pt->rep.string.past_the_end) |
|
|
2059 | *pt->rep.string.curr++ = *s; |
|
|
2060 | else if (pt->kind & port_srfi6 && realloc_port_string (SCHEME_A_ pt)) |
|
|
2061 | *pt->rep.string.curr++ = *s; |
|
|
2062 | |
|
|
2063 | #else |
|
|
2064 | write (pt->rep.stdio.file, s, strlen (s)); |
|
|
2065 | #endif |
|
|
2066 | } |
|
|
2067 | |
|
|
2068 | static void |
|
|
2069 | putchars (SCHEME_P_ const char *s, int len) |
|
|
2070 | { |
|
|
2071 | #if USE_PORTS |
|
|
2072 | port *pt = port (SCHEME_V->outport); |
|
|
2073 | |
|
|
2074 | if (pt->kind & port_file) |
2078 | if (pt->kind & port_file) |
2075 | write (pt->rep.stdio.file, s, len); |
2079 | write (pt->rep.stdio.file, s, len); |
2076 | else |
2080 | else |
2077 | { |
2081 | { |
2078 | for (; len; len--) |
2082 | for (; len; len--) |
… | |
… | |
2083 | *pt->rep.string.curr++ = *s++; |
2087 | *pt->rep.string.curr++ = *s++; |
2084 | } |
2088 | } |
2085 | } |
2089 | } |
2086 | |
2090 | |
2087 | #else |
2091 | #else |
2088 | write (1, s, len); |
2092 | write (1, s, len); // output not initialised |
2089 | #endif |
2093 | #endif |
|
|
2094 | } |
|
|
2095 | |
|
|
2096 | INTERFACE void |
|
|
2097 | putstr (SCHEME_P_ const char *s) |
|
|
2098 | { |
|
|
2099 | putchars (SCHEME_A_ s, strlen (s)); |
2090 | } |
2100 | } |
2091 | |
2101 | |
2092 | INTERFACE void |
2102 | INTERFACE void |
2093 | putcharacter (SCHEME_P_ int c) |
2103 | putcharacter (SCHEME_P_ int c) |
2094 | { |
2104 | { |
2095 | #if USE_PORTS |
|
|
2096 | port *pt = port (SCHEME_V->outport); |
|
|
2097 | |
|
|
2098 | if (pt->kind & port_file) |
|
|
2099 | { |
|
|
2100 | char cc = c; |
|
|
2101 | write (pt->rep.stdio.file, &cc, 1); |
|
|
2102 | } |
|
|
2103 | else |
|
|
2104 | { |
|
|
2105 | if (pt->rep.string.curr != pt->rep.string.past_the_end) |
|
|
2106 | *pt->rep.string.curr++ = c; |
|
|
2107 | else if (pt->kind & port_srfi6 && realloc_port_string (SCHEME_A_ pt)) |
|
|
2108 | *pt->rep.string.curr++ = c; |
|
|
2109 | } |
|
|
2110 | |
|
|
2111 | #else |
|
|
2112 | char cc = c; |
2105 | char cc = c; |
2113 | write (1, &c, 1); |
2106 | |
2114 | #endif |
2107 | putchars (SCHEME_A_ &cc, 1); |
2115 | } |
2108 | } |
2116 | |
2109 | |
2117 | /* read characters up to delimiter, but cater to character constants */ |
2110 | /* read characters up to delimiter, but cater to character constants */ |
2118 | static char * |
2111 | ecb_cold static char * |
2119 | readstr_upto (SCHEME_P_ int skip, const char *delim) |
2112 | readstr_upto (SCHEME_P_ int skip, const char *delim) |
2120 | { |
2113 | { |
2121 | char *p = SCHEME_V->strbuff + skip; |
2114 | char *p = SCHEME_V->strbuff + skip; |
2122 | |
2115 | |
2123 | while ((p - SCHEME_V->strbuff < sizeof (SCHEME_V->strbuff)) && !is_one_of (delim, (*p++ = inchar (SCHEME_A)))); |
2116 | while ((p - SCHEME_V->strbuff < sizeof (SCHEME_V->strbuff)) && !is_one_of (delim, (*p++ = inchar (SCHEME_A)))); |
… | |
… | |
2132 | |
2125 | |
2133 | return SCHEME_V->strbuff; |
2126 | return SCHEME_V->strbuff; |
2134 | } |
2127 | } |
2135 | |
2128 | |
2136 | /* read string expression "xxx...xxx" */ |
2129 | /* read string expression "xxx...xxx" */ |
2137 | static pointer |
2130 | ecb_cold static pointer |
2138 | readstrexp (SCHEME_P_ char delim) |
2131 | readstrexp (SCHEME_P_ char delim) |
2139 | { |
2132 | { |
2140 | char *p = SCHEME_V->strbuff; |
2133 | char *p = SCHEME_V->strbuff; |
2141 | int c; |
2134 | int c; |
2142 | int c1 = 0; |
2135 | int c1 = 0; |
… | |
… | |
2175 | case '7': |
2168 | case '7': |
2176 | state = st_oct1; |
2169 | state = st_oct1; |
2177 | c1 = c - '0'; |
2170 | c1 = c - '0'; |
2178 | break; |
2171 | break; |
2179 | |
2172 | |
|
|
2173 | case 'a': *p++ = '\a'; state = st_ok; break; |
|
|
2174 | case 'n': *p++ = '\n'; state = st_ok; break; |
|
|
2175 | case 'r': *p++ = '\r'; state = st_ok; break; |
|
|
2176 | case 't': *p++ = '\t'; state = st_ok; break; |
|
|
2177 | |
|
|
2178 | // this overshoots the minimum requirements of r7rs |
|
|
2179 | case ' ': |
|
|
2180 | case '\t': |
|
|
2181 | case '\r': |
|
|
2182 | case '\n': |
|
|
2183 | skipspace (SCHEME_A); |
|
|
2184 | state = st_ok; |
|
|
2185 | break; |
|
|
2186 | |
|
|
2187 | //TODO: x should end in ;, not two-digit hex |
2180 | case 'x': |
2188 | case 'x': |
2181 | case 'X': |
2189 | case 'X': |
2182 | state = st_x1; |
2190 | state = st_x1; |
2183 | c1 = 0; |
2191 | c1 = 0; |
2184 | break; |
|
|
2185 | |
|
|
2186 | case 'n': |
|
|
2187 | *p++ = '\n'; |
|
|
2188 | state = st_ok; |
|
|
2189 | break; |
|
|
2190 | |
|
|
2191 | case 't': |
|
|
2192 | *p++ = '\t'; |
|
|
2193 | state = st_ok; |
|
|
2194 | break; |
|
|
2195 | |
|
|
2196 | case 'r': |
|
|
2197 | *p++ = '\r'; |
|
|
2198 | state = st_ok; |
|
|
2199 | break; |
2192 | break; |
2200 | |
2193 | |
2201 | default: |
2194 | default: |
2202 | *p++ = c; |
2195 | *p++ = c; |
2203 | state = st_ok; |
2196 | state = st_ok; |
… | |
… | |
2255 | } |
2248 | } |
2256 | } |
2249 | } |
2257 | } |
2250 | } |
2258 | |
2251 | |
2259 | /* check c is in chars */ |
2252 | /* check c is in chars */ |
2260 | ecb_inline int |
2253 | ecb_cold int |
2261 | is_one_of (const char *s, int c) |
2254 | is_one_of (const char *s, int c) |
2262 | { |
2255 | { |
2263 | return c == EOF || !!strchr (s, c); |
2256 | return c == EOF || !!strchr (s, c); |
2264 | } |
2257 | } |
2265 | |
2258 | |
2266 | /* skip white characters */ |
2259 | /* skip white characters */ |
2267 | ecb_inline int |
2260 | ecb_cold int |
2268 | skipspace (SCHEME_P) |
2261 | skipspace (SCHEME_P) |
2269 | { |
2262 | { |
2270 | int c, curr_line = 0; |
2263 | int c, curr_line = 0; |
2271 | |
2264 | |
2272 | do |
2265 | do |
… | |
… | |
2292 | backchar (SCHEME_A_ c); |
2285 | backchar (SCHEME_A_ c); |
2293 | return 1; |
2286 | return 1; |
2294 | } |
2287 | } |
2295 | |
2288 | |
2296 | /* get token */ |
2289 | /* get token */ |
2297 | static int |
2290 | ecb_cold static int |
2298 | token (SCHEME_P) |
2291 | token (SCHEME_P) |
2299 | { |
2292 | { |
2300 | int c = skipspace (SCHEME_A); |
2293 | int c = skipspace (SCHEME_A); |
2301 | |
2294 | |
2302 | if (c == EOF) |
2295 | if (c == EOF) |
… | |
… | |
2400 | } |
2393 | } |
2401 | |
2394 | |
2402 | /* ========== Routines for Printing ========== */ |
2395 | /* ========== Routines for Printing ========== */ |
2403 | #define ok_abbrev(x) (is_pair(x) && cdr(x) == NIL) |
2396 | #define ok_abbrev(x) (is_pair(x) && cdr(x) == NIL) |
2404 | |
2397 | |
2405 | static void |
2398 | ecb_cold static void |
2406 | printslashstring (SCHEME_P_ char *p, int len) |
2399 | printslashstring (SCHEME_P_ char *p, int len) |
2407 | { |
2400 | { |
2408 | int i; |
2401 | int i; |
2409 | unsigned char *s = (unsigned char *) p; |
2402 | unsigned char *s = (unsigned char *) p; |
2410 | |
2403 | |
… | |
… | |
2466 | |
2459 | |
2467 | putcharacter (SCHEME_A_ '"'); |
2460 | putcharacter (SCHEME_A_ '"'); |
2468 | } |
2461 | } |
2469 | |
2462 | |
2470 | /* print atoms */ |
2463 | /* print atoms */ |
2471 | static void |
2464 | ecb_cold static void |
2472 | printatom (SCHEME_P_ pointer l, int f) |
2465 | printatom (SCHEME_P_ pointer l, int f) |
2473 | { |
2466 | { |
2474 | char *p; |
2467 | char *p; |
2475 | int len; |
2468 | int len; |
2476 | |
2469 | |
2477 | atom2str (SCHEME_A_ l, f, &p, &len); |
2470 | atom2str (SCHEME_A_ l, f, &p, &len); |
2478 | putchars (SCHEME_A_ p, len); |
2471 | putchars (SCHEME_A_ p, len); |
2479 | } |
2472 | } |
2480 | |
2473 | |
2481 | /* Uses internal buffer unless string pointer is already available */ |
2474 | /* Uses internal buffer unless string pointer is already available */ |
2482 | static void |
2475 | ecb_cold static void |
2483 | atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen) |
2476 | atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen) |
2484 | { |
2477 | { |
2485 | char *p; |
2478 | char *p; |
2486 | |
2479 | |
2487 | if (l == NIL) |
2480 | if (l == NIL) |
… | |
… | |
2620 | } |
2613 | } |
2621 | else if (is_symbol (l)) |
2614 | else if (is_symbol (l)) |
2622 | p = symname (l); |
2615 | p = symname (l); |
2623 | else if (is_proc (l)) |
2616 | else if (is_proc (l)) |
2624 | { |
2617 | { |
|
|
2618 | p = (char *)procname (l); // ok with r7rs display, but not r7rs write |
|
|
2619 | #if 0 |
2625 | #if USE_PRINTF |
2620 | #if USE_PRINTF |
2626 | p = SCHEME_V->strbuff; |
2621 | p = SCHEME_V->strbuff; |
2627 | snprintf (p, STRBUFFSIZE, "#<%s PROCEDURE %ld>", procname (l), procnum (l)); |
2622 | snprintf (p, STRBUFFSIZE, " PROCEDURE %ld>", procname (l), procnum (l)); |
2628 | #else |
2623 | #else |
2629 | p = "#<PROCEDURE>"; |
2624 | p = "#<PROCEDURE>"; |
|
|
2625 | #endif |
2630 | #endif |
2626 | #endif |
2631 | } |
2627 | } |
2632 | else if (is_macro (l)) |
2628 | else if (is_macro (l)) |
2633 | p = "#<MACRO>"; |
2629 | p = "#<MACRO>"; |
2634 | else if (is_closure (l)) |
2630 | else if (is_closure (l)) |
… | |
… | |
2694 | return car (d); |
2690 | return car (d); |
2695 | |
2691 | |
2696 | p = cons (car (d), cdr (d)); |
2692 | p = cons (car (d), cdr (d)); |
2697 | q = p; |
2693 | q = p; |
2698 | |
2694 | |
2699 | while (cdr (cdr (p)) != NIL) |
2695 | while (cddr (p) != NIL) |
2700 | { |
2696 | { |
2701 | d = cons (car (p), cdr (p)); |
2697 | d = cons (car (p), cdr (p)); |
2702 | |
2698 | |
2703 | if (cdr (cdr (p)) != NIL) |
2699 | if (cddr (p) != NIL) |
2704 | p = cdr (d); |
2700 | p = cdr (d); |
2705 | } |
2701 | } |
2706 | |
2702 | |
2707 | set_cdr (p, car (cdr (p))); |
2703 | set_cdr (p, cadr (p)); |
2708 | return q; |
2704 | return q; |
2709 | } |
2705 | } |
2710 | |
2706 | |
2711 | /* reverse list -- produce new list */ |
2707 | /* reverse list -- produce new list */ |
2712 | static pointer |
2708 | ecb_hot static pointer |
2713 | reverse (SCHEME_P_ pointer a) |
2709 | reverse (SCHEME_P_ pointer a) |
2714 | { |
2710 | { |
2715 | /* a must be checked by gc */ |
2711 | /* a must be checked by gc */ |
2716 | pointer p = NIL; |
2712 | pointer p = NIL; |
2717 | |
2713 | |
… | |
… | |
2720 | |
2716 | |
2721 | return p; |
2717 | return p; |
2722 | } |
2718 | } |
2723 | |
2719 | |
2724 | /* reverse list --- in-place */ |
2720 | /* reverse list --- in-place */ |
2725 | static pointer |
2721 | ecb_hot static pointer |
2726 | reverse_in_place (SCHEME_P_ pointer term, pointer list) |
2722 | reverse_in_place (SCHEME_P_ pointer term, pointer list) |
2727 | { |
2723 | { |
2728 | pointer result = term; |
2724 | pointer result = term; |
2729 | pointer p = list; |
2725 | pointer p = list; |
2730 | |
2726 | |
… | |
… | |
2738 | |
2734 | |
2739 | return result; |
2735 | return result; |
2740 | } |
2736 | } |
2741 | |
2737 | |
2742 | /* append list -- produce new list (in reverse order) */ |
2738 | /* append list -- produce new list (in reverse order) */ |
2743 | static pointer |
2739 | ecb_hot static pointer |
2744 | revappend (SCHEME_P_ pointer a, pointer b) |
2740 | revappend (SCHEME_P_ pointer a, pointer b) |
2745 | { |
2741 | { |
2746 | pointer result = a; |
2742 | pointer result = a; |
2747 | pointer p = b; |
2743 | pointer p = b; |
2748 | |
2744 | |
… | |
… | |
2757 | |
2753 | |
2758 | return S_F; /* signal an error */ |
2754 | return S_F; /* signal an error */ |
2759 | } |
2755 | } |
2760 | |
2756 | |
2761 | /* equivalence of atoms */ |
2757 | /* equivalence of atoms */ |
2762 | int |
2758 | ecb_hot int |
2763 | eqv (pointer a, pointer b) |
2759 | eqv (pointer a, pointer b) |
2764 | { |
2760 | { |
2765 | if (is_string (a)) |
2761 | if (is_string (a)) |
2766 | { |
2762 | { |
2767 | if (is_string (b)) |
2763 | if (is_string (b)) |
… | |
… | |
2824 | { |
2820 | { |
2825 | pointer new_frame; |
2821 | pointer new_frame; |
2826 | |
2822 | |
2827 | /* The interaction-environment has about 300 variables in it. */ |
2823 | /* The interaction-environment has about 300 variables in it. */ |
2828 | if (old_env == NIL) |
2824 | if (old_env == NIL) |
2829 | new_frame = mk_vector (SCHEME_A_ 461); |
2825 | new_frame = mk_vector (SCHEME_A_ 29); // was 461 |
2830 | else |
2826 | else |
2831 | new_frame = NIL; |
2827 | new_frame = NIL; |
2832 | |
2828 | |
2833 | SCHEME_V->envir = immutable_cons (new_frame, old_env); |
2829 | SCHEME_V->envir = immutable_cons (new_frame, old_env); |
2834 | setenvironment (SCHEME_V->envir); |
2830 | setenvironment (SCHEME_V->envir); |
… | |
… | |
2861 | } |
2857 | } |
2862 | else |
2858 | else |
2863 | set_car (env, immutable_cons (slot, car (env))); |
2859 | set_car (env, immutable_cons (slot, car (env))); |
2864 | } |
2860 | } |
2865 | |
2861 | |
2866 | static pointer |
2862 | ecb_hot static pointer |
2867 | find_slot_in_env (SCHEME_P_ pointer env, pointer hdl, int all) |
2863 | find_slot_in_env (SCHEME_P_ pointer env, pointer hdl, int all) |
2868 | { |
2864 | { |
2869 | pointer x, y; |
2865 | pointer x, y; |
2870 | |
2866 | |
2871 | for (x = env; x != NIL; x = cdr (x)) |
2867 | for (x = env; x != NIL; x = cdr (x)) |
… | |
… | |
2892 | return NIL; |
2888 | return NIL; |
2893 | } |
2889 | } |
2894 | |
2890 | |
2895 | #else /* USE_ALIST_ENV */ |
2891 | #else /* USE_ALIST_ENV */ |
2896 | |
2892 | |
2897 | ecb_inline void |
2893 | static void |
2898 | new_frame_in_env (SCHEME_P_ pointer old_env) |
2894 | new_frame_in_env (SCHEME_P_ pointer old_env) |
2899 | { |
2895 | { |
2900 | SCHEME_V->envir = immutable_cons (NIL, old_env); |
2896 | SCHEME_V->envir = immutable_cons (NIL, old_env); |
2901 | setenvironment (SCHEME_V->envir); |
2897 | setenvironment (SCHEME_V->envir); |
2902 | } |
2898 | } |
2903 | |
2899 | |
2904 | ecb_inline void |
2900 | static void |
2905 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2901 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2906 | { |
2902 | { |
2907 | set_car (env, immutable_cons (immutable_cons (variable, value), car (env))); |
2903 | set_car (env, immutable_cons (immutable_cons (variable, value), car (env))); |
2908 | } |
2904 | } |
2909 | |
2905 | |
2910 | static pointer |
2906 | ecb_hot static pointer |
2911 | find_slot_in_env (SCHEME_P_ pointer env, pointer hdl, int all) |
2907 | find_slot_in_env (SCHEME_P_ pointer env, pointer hdl, int all) |
2912 | { |
2908 | { |
2913 | pointer x, y; |
2909 | pointer x, y; |
2914 | |
2910 | |
2915 | for (x = env; x != NIL; x = cdr (x)) |
2911 | for (x = env; x != NIL; x = cdr (x)) |
… | |
… | |
2929 | return NIL; |
2925 | return NIL; |
2930 | } |
2926 | } |
2931 | |
2927 | |
2932 | #endif /* USE_ALIST_ENV else */ |
2928 | #endif /* USE_ALIST_ENV else */ |
2933 | |
2929 | |
2934 | ecb_inline void |
2930 | static void |
2935 | new_slot_in_env (SCHEME_P_ pointer variable, pointer value) |
2931 | new_slot_in_env (SCHEME_P_ pointer variable, pointer value) |
2936 | { |
2932 | { |
2937 | assert (is_symbol (variable));//TODO: bug in current-ws/OP_LET2 |
2933 | assert (is_symbol (variable));//TODO: bug in current-ws/OP_LET2 |
2938 | new_slot_spec_in_env (SCHEME_A_ SCHEME_V->envir, variable, value); |
2934 | new_slot_spec_in_env (SCHEME_A_ SCHEME_V->envir, variable, value); |
2939 | } |
2935 | } |
2940 | |
2936 | |
2941 | ecb_inline void |
2937 | static void |
2942 | set_slot_in_env (SCHEME_P_ pointer slot, pointer value) |
2938 | set_slot_in_env (SCHEME_P_ pointer slot, pointer value) |
2943 | { |
2939 | { |
2944 | set_cdr (slot, value); |
2940 | set_cdr (slot, value); |
2945 | } |
2941 | } |
2946 | |
2942 | |
2947 | ecb_inline pointer |
2943 | static pointer |
2948 | slot_value_in_env (pointer slot) |
2944 | slot_value_in_env (pointer slot) |
2949 | { |
2945 | { |
2950 | return cdr (slot); |
2946 | return cdr (slot); |
2951 | } |
2947 | } |
2952 | |
2948 | |
2953 | /* ========== Evaluation Cycle ========== */ |
2949 | /* ========== Evaluation Cycle ========== */ |
2954 | |
2950 | |
2955 | static int |
2951 | ecb_cold static int |
2956 | xError_1 (SCHEME_P_ const char *s, pointer a) |
2952 | xError_1 (SCHEME_P_ const char *s, pointer a) |
2957 | { |
2953 | { |
2958 | #if USE_ERROR_HOOK |
|
|
2959 | pointer x; |
|
|
2960 | pointer hdl = SCHEME_V->ERROR_HOOK; |
|
|
2961 | #endif |
|
|
2962 | |
|
|
2963 | #if USE_PRINTF |
2954 | #if USE_PRINTF |
2964 | #if SHOW_ERROR_LINE |
2955 | #if SHOW_ERROR_LINE |
2965 | char sbuf[STRBUFFSIZE]; |
2956 | char sbuf[STRBUFFSIZE]; |
2966 | |
2957 | |
2967 | /* make sure error is not in REPL */ |
2958 | /* make sure error is not in REPL */ |
… | |
… | |
2982 | } |
2973 | } |
2983 | #endif |
2974 | #endif |
2984 | #endif |
2975 | #endif |
2985 | |
2976 | |
2986 | #if USE_ERROR_HOOK |
2977 | #if USE_ERROR_HOOK |
2987 | x = find_slot_in_env (SCHEME_A_ SCHEME_V->envir, hdl, 1); |
2978 | pointer x = find_slot_in_env (SCHEME_A_ SCHEME_V->envir, SCHEME_V->ERROR_HOOK, 1); |
2988 | |
2979 | |
2989 | if (x != NIL) |
2980 | if (x != NIL) |
2990 | { |
2981 | { |
2991 | pointer code = a |
2982 | pointer code = a |
2992 | ? cons (cons (SCHEME_V->QUOTE, cons (a, NIL)), NIL) |
2983 | ? cons (cons (SCHEME_V->QUOTE, cons (a, NIL)), NIL) |
… | |
… | |
3036 | pointer code; |
3027 | pointer code; |
3037 | }; |
3028 | }; |
3038 | |
3029 | |
3039 | # define STACK_GROWTH 3 |
3030 | # define STACK_GROWTH 3 |
3040 | |
3031 | |
3041 | static void |
3032 | ecb_hot static void |
3042 | s_save (SCHEME_P_ enum scheme_opcodes op, pointer args, pointer code) |
3033 | s_save (SCHEME_P_ enum scheme_opcodes op, pointer args, pointer code) |
3043 | { |
3034 | { |
3044 | int nframes = (uintptr_t)SCHEME_V->dump; |
3035 | int nframes = (uintptr_t)SCHEME_V->dump; |
3045 | struct dump_stack_frame *next_frame; |
3036 | struct dump_stack_frame *next_frame; |
3046 | |
3037 | |
… | |
… | |
3059 | next_frame->code = code; |
3050 | next_frame->code = code; |
3060 | |
3051 | |
3061 | SCHEME_V->dump = (pointer)(uintptr_t)(nframes + 1); |
3052 | SCHEME_V->dump = (pointer)(uintptr_t)(nframes + 1); |
3062 | } |
3053 | } |
3063 | |
3054 | |
3064 | static int |
3055 | static ecb_hot int |
3065 | xs_return (SCHEME_P_ pointer a) |
3056 | xs_return (SCHEME_P_ pointer a) |
3066 | { |
3057 | { |
3067 | int nframes = (uintptr_t)SCHEME_V->dump; |
3058 | int nframes = (uintptr_t)SCHEME_V->dump; |
3068 | struct dump_stack_frame *frame; |
3059 | struct dump_stack_frame *frame; |
3069 | |
3060 | |
… | |
… | |
3080 | SCHEME_V->dump = (pointer)(uintptr_t)nframes; |
3071 | SCHEME_V->dump = (pointer)(uintptr_t)nframes; |
3081 | |
3072 | |
3082 | return 0; |
3073 | return 0; |
3083 | } |
3074 | } |
3084 | |
3075 | |
3085 | ecb_inline void |
3076 | ecb_cold void |
3086 | dump_stack_reset (SCHEME_P) |
3077 | dump_stack_reset (SCHEME_P) |
3087 | { |
3078 | { |
3088 | /* in this implementation, SCHEME_V->dump is the number of frames on the stack */ |
3079 | /* in this implementation, SCHEME_V->dump is the number of frames on the stack */ |
3089 | SCHEME_V->dump = (pointer)+0; |
3080 | SCHEME_V->dump = (pointer)+0; |
3090 | } |
3081 | } |
3091 | |
3082 | |
3092 | ecb_inline void |
3083 | ecb_cold void |
3093 | dump_stack_initialize (SCHEME_P) |
3084 | dump_stack_initialize (SCHEME_P) |
3094 | { |
3085 | { |
3095 | SCHEME_V->dump_size = 0; |
3086 | SCHEME_V->dump_size = 0; |
3096 | SCHEME_V->dump_base = 0; |
3087 | SCHEME_V->dump_base = 0; |
3097 | dump_stack_reset (SCHEME_A); |
3088 | dump_stack_reset (SCHEME_A); |
3098 | } |
3089 | } |
3099 | |
3090 | |
3100 | static void |
3091 | ecb_cold static void |
3101 | dump_stack_free (SCHEME_P) |
3092 | dump_stack_free (SCHEME_P) |
3102 | { |
3093 | { |
3103 | free (SCHEME_V->dump_base); |
3094 | free (SCHEME_V->dump_base); |
3104 | SCHEME_V->dump_base = 0; |
3095 | SCHEME_V->dump_base = 0; |
3105 | SCHEME_V->dump = (pointer)0; |
3096 | SCHEME_V->dump = (pointer)0; |
3106 | SCHEME_V->dump_size = 0; |
3097 | SCHEME_V->dump_size = 0; |
3107 | } |
3098 | } |
3108 | |
3099 | |
3109 | static void |
3100 | ecb_cold static void |
3110 | dump_stack_mark (SCHEME_P) |
3101 | dump_stack_mark (SCHEME_P) |
3111 | { |
3102 | { |
3112 | int nframes = (uintptr_t)SCHEME_V->dump; |
3103 | int nframes = (uintptr_t)SCHEME_V->dump; |
3113 | int i; |
3104 | int i; |
3114 | |
3105 | |
… | |
… | |
3120 | mark (frame->envir); |
3111 | mark (frame->envir); |
3121 | mark (frame->code); |
3112 | mark (frame->code); |
3122 | } |
3113 | } |
3123 | } |
3114 | } |
3124 | |
3115 | |
3125 | static pointer |
3116 | ecb_cold static pointer |
3126 | ss_get_cont (SCHEME_P) |
3117 | ss_get_cont (SCHEME_P) |
3127 | { |
3118 | { |
3128 | int nframes = (uintptr_t)SCHEME_V->dump; |
3119 | int nframes = (uintptr_t)SCHEME_V->dump; |
3129 | int i; |
3120 | int i; |
3130 | |
3121 | |
… | |
… | |
3142 | } |
3133 | } |
3143 | |
3134 | |
3144 | return cont; |
3135 | return cont; |
3145 | } |
3136 | } |
3146 | |
3137 | |
3147 | static void |
3138 | ecb_cold static void |
3148 | ss_set_cont (SCHEME_P_ pointer cont) |
3139 | ss_set_cont (SCHEME_P_ pointer cont) |
3149 | { |
3140 | { |
3150 | int i = 0; |
3141 | int i = 0; |
3151 | struct dump_stack_frame *frame = SCHEME_V->dump_base; |
3142 | struct dump_stack_frame *frame = SCHEME_V->dump_base; |
3152 | |
3143 | |
… | |
… | |
3164 | SCHEME_V->dump = (pointer)(uintptr_t)i; |
3155 | SCHEME_V->dump = (pointer)(uintptr_t)i; |
3165 | } |
3156 | } |
3166 | |
3157 | |
3167 | #else |
3158 | #else |
3168 | |
3159 | |
3169 | ecb_inline void |
3160 | ecb_cold void |
3170 | dump_stack_reset (SCHEME_P) |
3161 | dump_stack_reset (SCHEME_P) |
3171 | { |
3162 | { |
3172 | SCHEME_V->dump = NIL; |
3163 | SCHEME_V->dump = NIL; |
3173 | } |
3164 | } |
3174 | |
3165 | |
3175 | ecb_inline void |
3166 | ecb_cold void |
3176 | dump_stack_initialize (SCHEME_P) |
3167 | dump_stack_initialize (SCHEME_P) |
3177 | { |
3168 | { |
3178 | dump_stack_reset (SCHEME_A); |
3169 | dump_stack_reset (SCHEME_A); |
3179 | } |
3170 | } |
3180 | |
3171 | |
3181 | static void |
3172 | ecb_cold static void |
3182 | dump_stack_free (SCHEME_P) |
3173 | dump_stack_free (SCHEME_P) |
3183 | { |
3174 | { |
3184 | SCHEME_V->dump = NIL; |
3175 | SCHEME_V->dump = NIL; |
3185 | } |
3176 | } |
3186 | |
3177 | |
3187 | static int |
3178 | ecb_hot static int |
3188 | xs_return (SCHEME_P_ pointer a) |
3179 | xs_return (SCHEME_P_ pointer a) |
3189 | { |
3180 | { |
3190 | pointer dump = SCHEME_V->dump; |
3181 | pointer dump = SCHEME_V->dump; |
3191 | |
3182 | |
3192 | SCHEME_V->value = a; |
3183 | SCHEME_V->value = a; |
… | |
… | |
3202 | SCHEME_V->dump = dump; |
3193 | SCHEME_V->dump = dump; |
3203 | |
3194 | |
3204 | return 0; |
3195 | return 0; |
3205 | } |
3196 | } |
3206 | |
3197 | |
3207 | static void |
3198 | ecb_hot static void |
3208 | s_save (SCHEME_P_ enum scheme_opcodes op, pointer args, pointer code) |
3199 | s_save (SCHEME_P_ enum scheme_opcodes op, pointer args, pointer code) |
3209 | { |
3200 | { |
3210 | SCHEME_V->dump = cons (mk_integer (SCHEME_A_ op), |
3201 | SCHEME_V->dump = cons (mk_integer (SCHEME_A_ op), |
3211 | cons (args, |
3202 | cons (args, |
3212 | cons (SCHEME_V->envir, |
3203 | cons (SCHEME_V->envir, |
3213 | cons (code, |
3204 | cons (code, |
3214 | SCHEME_V->dump)))); |
3205 | SCHEME_V->dump)))); |
3215 | } |
3206 | } |
3216 | |
3207 | |
3217 | static void |
3208 | ecb_cold static void |
3218 | dump_stack_mark (SCHEME_P) |
3209 | dump_stack_mark (SCHEME_P) |
3219 | { |
3210 | { |
3220 | mark (SCHEME_V->dump); |
3211 | mark (SCHEME_V->dump); |
3221 | } |
3212 | } |
3222 | |
3213 | |
3223 | static pointer |
3214 | ecb_cold static pointer |
3224 | ss_get_cont (SCHEME_P) |
3215 | ss_get_cont (SCHEME_P) |
3225 | { |
3216 | { |
3226 | return SCHEME_V->dump; |
3217 | return SCHEME_V->dump; |
3227 | } |
3218 | } |
3228 | |
3219 | |
3229 | static void |
3220 | ecb_cold static void |
3230 | ss_set_cont (SCHEME_P_ pointer cont) |
3221 | ss_set_cont (SCHEME_P_ pointer cont) |
3231 | { |
3222 | { |
3232 | SCHEME_V->dump = cont; |
3223 | SCHEME_V->dump = cont; |
3233 | } |
3224 | } |
3234 | |
3225 | |
3235 | #endif |
3226 | #endif |
3236 | |
3227 | |
3237 | #define s_retbool(tf) s_return ((tf) ? S_T : S_F) |
3228 | #define s_retbool(tf) s_return ((tf) ? S_T : S_F) |
3238 | |
3229 | |
3239 | #if EXPERIMENT |
3230 | #if EXPERIMENT |
|
|
3231 | |
3240 | static int |
3232 | static int |
3241 | debug (SCHEME_P_ int indent, pointer x) |
3233 | dtree (SCHEME_P_ int indent, pointer x) |
3242 | { |
3234 | { |
3243 | int c; |
3235 | int c; |
3244 | |
3236 | |
3245 | if (is_syntax (x)) |
3237 | if (is_syntax (x)) |
3246 | { |
3238 | { |
… | |
… | |
3264 | printf ("%*sS<%s>\n", indent, "", symname (x)); |
3256 | printf ("%*sS<%s>\n", indent, "", symname (x)); |
3265 | return 24+8; |
3257 | return 24+8; |
3266 | |
3258 | |
3267 | case T_CLOSURE: |
3259 | case T_CLOSURE: |
3268 | printf ("%*sS<%s>\n", indent, "", "closure"); |
3260 | printf ("%*sS<%s>\n", indent, "", "closure"); |
3269 | debug (SCHEME_A_ indent + 3, cdr(x)); |
3261 | dtree (SCHEME_A_ indent + 3, cdr(x)); |
3270 | return 32 + debug (SCHEME_A_ indent + 3, car (x)); |
3262 | return 32 + dtree (SCHEME_A_ indent + 3, car (x)); |
3271 | |
3263 | |
3272 | case T_PAIR: |
3264 | case T_PAIR: |
3273 | printf ("%*spair %p %p\n", indent, "", car(x),cdr(x)); |
3265 | printf ("%*spair %p %p\n", indent, "", car(x),cdr(x)); |
3274 | c = debug (SCHEME_A_ indent + 3, car (x)); |
3266 | c = dtree (SCHEME_A_ indent + 3, car (x)); |
3275 | c += debug (SCHEME_A_ indent + 3, cdr (x)); |
3267 | c += dtree (SCHEME_A_ indent + 3, cdr (x)); |
3276 | return c + 1; |
3268 | return c + 1; |
3277 | |
3269 | |
3278 | case T_PORT: |
3270 | case T_PORT: |
3279 | printf ("%*sS<%s>\n", indent, "", "port"); |
3271 | printf ("%*sS<%s>\n", indent, "", "port"); |
3280 | return 24+8; |
3272 | return 24+8; |
… | |
… | |
3283 | printf ("%*sS<%s>\n", indent, "", "vector"); |
3275 | printf ("%*sS<%s>\n", indent, "", "vector"); |
3284 | return 24+8; |
3276 | return 24+8; |
3285 | |
3277 | |
3286 | case T_ENVIRONMENT: |
3278 | case T_ENVIRONMENT: |
3287 | printf ("%*sS<%s>\n", indent, "", "environment"); |
3279 | printf ("%*sS<%s>\n", indent, "", "environment"); |
3288 | return 0 + debug (SCHEME_A_ indent + 3, car (x)); |
3280 | return 0 + dtree (SCHEME_A_ indent + 3, car (x)); |
3289 | |
3281 | |
3290 | default: |
3282 | default: |
3291 | printf ("unhandled type %d\n", type (x)); |
3283 | printf ("unhandled type %d\n", type (x)); |
3292 | break; |
3284 | break; |
3293 | } |
3285 | } |
3294 | } |
3286 | } |
3295 | #endif |
|
|
3296 | |
3287 | |
|
|
3288 | #define DUMP(t) do { printf ("DUMP %s:%d\n", __FILE__, __LINE__); dtree (SCHEME_A_ 0, (t)); } while (0) |
|
|
3289 | |
|
|
3290 | typedef void *stream[1]; |
|
|
3291 | |
|
|
3292 | #define stream_init() { 0 } |
|
|
3293 | #define stream_data(s) ((char *)(s)[0] + sizeof (uint32_t) * 2) |
|
|
3294 | #define stream_size(s) (((uint32_t *)(s)[0])[0] - sizeof (uint32_t) * 2) |
|
|
3295 | #define stream_free(s) free (s[0]) |
|
|
3296 | |
|
|
3297 | ecb_cold static void |
|
|
3298 | stream_put (stream s, uint8_t byte) |
|
|
3299 | { |
|
|
3300 | uint32_t *sp = *s; |
|
|
3301 | uint32_t size = sizeof (uint32_t) * 2; |
|
|
3302 | uint32_t offs = size; |
|
|
3303 | |
|
|
3304 | if (ecb_expect_true (sp)) |
|
|
3305 | { |
|
|
3306 | offs = sp[0]; |
|
|
3307 | size = sp[1]; |
|
|
3308 | } |
|
|
3309 | |
|
|
3310 | if (ecb_expect_false (offs == size)) |
|
|
3311 | { |
|
|
3312 | size *= 2; |
|
|
3313 | sp = realloc (sp, size); |
|
|
3314 | *s = sp; |
|
|
3315 | sp[1] = size; |
|
|
3316 | |
|
|
3317 | } |
|
|
3318 | |
|
|
3319 | ((uint8_t *)sp)[offs++] = byte; |
|
|
3320 | sp[0] = offs; |
|
|
3321 | } |
|
|
3322 | |
|
|
3323 | ecb_cold static void |
|
|
3324 | stream_put_v (stream s, uint32_t v) |
|
|
3325 | { |
|
|
3326 | while (v > 0x7f) |
|
|
3327 | { |
|
|
3328 | stream_put (s, v | 0x80); |
|
|
3329 | v >>= 7; |
|
|
3330 | } |
|
|
3331 | |
|
|
3332 | stream_put (s, v); |
|
|
3333 | } |
|
|
3334 | |
|
|
3335 | ecb_cold static void |
|
|
3336 | stream_put_tv (stream s, int bop, uint32_t v) |
|
|
3337 | { |
|
|
3338 | printf ("put tv %d %d\n", bop, v);//D |
|
|
3339 | stream_put (s, bop); |
|
|
3340 | stream_put_v (s, v); |
|
|
3341 | } |
|
|
3342 | |
|
|
3343 | ecb_cold static void |
|
|
3344 | stream_put_stream (stream s, stream o) |
|
|
3345 | { |
|
|
3346 | uint32_t i; |
|
|
3347 | |
|
|
3348 | for (i = 0; i < stream_size (o); ++i) |
|
|
3349 | stream_put (s, stream_data (o)[i]); |
|
|
3350 | |
|
|
3351 | stream_free (o); |
|
|
3352 | } |
|
|
3353 | |
|
|
3354 | ecb_cold static uint32_t |
|
|
3355 | cell_id (SCHEME_P_ pointer x) |
|
|
3356 | { |
|
|
3357 | struct cell *p = CELL (x); |
|
|
3358 | int i; |
|
|
3359 | |
|
|
3360 | for (i = SCHEME_V->last_cell_seg; i >= 0; --i) |
|
|
3361 | if (SCHEME_V->cell_seg[i] <= p && p < SCHEME_V->cell_seg[i] + SCHEME_V->cell_segsize[i]) |
|
|
3362 | return i | ((p - SCHEME_V->cell_seg[i]) << CELL_NSEGMENT_LOG); |
|
|
3363 | |
|
|
3364 | abort (); |
|
|
3365 | } |
|
|
3366 | |
|
|
3367 | // calculates a (preferably small) integer that makes it possible to find |
|
|
3368 | // the symbol again. if pointers were offsets into a memory area... until |
|
|
3369 | // then, we return segment number in the low bits, and offset in the high |
|
|
3370 | // bits. |
|
|
3371 | // also, this function must never return 0. |
|
|
3372 | ecb_cold static uint32_t |
|
|
3373 | symbol_id (SCHEME_P_ pointer sym) |
|
|
3374 | { |
|
|
3375 | return cell_id (SCHEME_A_ sym); |
|
|
3376 | } |
|
|
3377 | |
|
|
3378 | enum byteop |
|
|
3379 | { |
|
|
3380 | BOP_NIL, |
|
|
3381 | BOP_INTEGER, |
|
|
3382 | BOP_SYMBOL, |
|
|
3383 | BOP_DATUM, |
|
|
3384 | BOP_LIST_BEG, |
|
|
3385 | BOP_LIST_END, |
|
|
3386 | BOP_IF, |
|
|
3387 | BOP_AND, |
|
|
3388 | BOP_OR, |
|
|
3389 | BOP_CASE, |
|
|
3390 | BOP_COND, |
|
|
3391 | BOP_LET, |
|
|
3392 | BOP_LETAST, |
|
|
3393 | BOP_LETREC, |
|
|
3394 | BOP_DEFINE, |
|
|
3395 | BOP_MACRO, |
|
|
3396 | BOP_SET, |
|
|
3397 | BOP_BEGIN, |
|
|
3398 | BOP_LAMBDA, |
|
|
3399 | BOP_DELAY, |
|
|
3400 | BOP_OP, |
|
|
3401 | }; |
|
|
3402 | |
|
|
3403 | ecb_cold static void compile_expr (SCHEME_P_ stream s, pointer x); |
|
|
3404 | |
|
|
3405 | ecb_cold static void |
|
|
3406 | compile_list (SCHEME_P_ stream s, pointer x) |
|
|
3407 | { |
|
|
3408 | // TODO: improper list |
|
|
3409 | |
|
|
3410 | for (; x != NIL; x = cdr (x)) |
|
|
3411 | { |
|
|
3412 | stream t = stream_init (); |
|
|
3413 | compile_expr (SCHEME_A_ t, car (x)); |
|
|
3414 | stream_put_v (s, stream_size (t)); |
|
|
3415 | stream_put_stream (s, t); |
|
|
3416 | } |
|
|
3417 | |
|
|
3418 | stream_put_v (s, 0); |
|
|
3419 | } |
|
|
3420 | |
|
|
3421 | static void |
|
|
3422 | compile_if (SCHEME_P_ stream s, pointer cond, pointer ift, pointer iff) |
|
|
3423 | { |
|
|
3424 | stream sift = stream_init (); compile_expr (SCHEME_A_ sift, ift); |
|
|
3425 | |
|
|
3426 | stream_put (s, BOP_IF); |
|
|
3427 | compile_expr (SCHEME_A_ s, cond); |
|
|
3428 | stream_put_v (s, stream_size (sift)); |
|
|
3429 | stream_put_stream (s, sift); |
|
|
3430 | compile_expr (SCHEME_A_ s, iff); |
|
|
3431 | } |
|
|
3432 | |
|
|
3433 | typedef uint32_t stream_fixup; |
|
|
3434 | |
|
|
3435 | static stream_fixup |
|
|
3436 | stream_put_fixup (stream s) |
|
|
3437 | { |
|
|
3438 | stream_put (s, 0); |
|
|
3439 | stream_put (s, 0); |
|
|
3440 | |
|
|
3441 | return stream_size (s); |
|
|
3442 | } |
|
|
3443 | |
|
|
3444 | static void |
|
|
3445 | stream_fix_fixup (stream s, stream_fixup fixup, uint32_t target) |
|
|
3446 | { |
|
|
3447 | target -= fixup; |
|
|
3448 | assert (target < (1 << 14)); |
|
|
3449 | stream_data (s)[fixup - 2] = target | 0x80; |
|
|
3450 | stream_data (s)[fixup - 1] = target >> 7; |
|
|
3451 | } |
|
|
3452 | |
|
|
3453 | static void |
|
|
3454 | compile_and_or (SCHEME_P_ stream s, int and, pointer x) |
|
|
3455 | { |
|
|
3456 | for (; cdr (x) != NIL; x = cdr (x)) |
|
|
3457 | { |
|
|
3458 | stream t = stream_init (); |
|
|
3459 | compile_expr (SCHEME_A_ t, car (x)); |
|
|
3460 | stream_put_v (s, stream_size (t)); |
|
|
3461 | stream_put_stream (s, t); |
|
|
3462 | } |
|
|
3463 | |
|
|
3464 | stream_put_v (s, 0); |
|
|
3465 | } |
|
|
3466 | |
|
|
3467 | static void |
|
|
3468 | compile_case (SCHEME_P_ stream s, pointer x) |
|
|
3469 | { |
|
|
3470 | compile_expr (SCHEME_A_ s, caar (x)); |
|
|
3471 | |
|
|
3472 | for (;;) |
|
|
3473 | { |
|
|
3474 | x = cdr (x); |
|
|
3475 | |
|
|
3476 | if (x == NIL) |
|
|
3477 | break; |
|
|
3478 | |
|
|
3479 | compile_expr (SCHEME_A_ s, caar (x)); |
|
|
3480 | stream t = stream_init (); compile_expr (SCHEME_A_ t, cdar (x)); |
|
|
3481 | stream_put_v (s, stream_size (t)); |
|
|
3482 | stream_put_stream (s, t); |
|
|
3483 | } |
|
|
3484 | |
|
|
3485 | stream_put_v (s, 0); |
|
|
3486 | } |
|
|
3487 | |
|
|
3488 | static void |
|
|
3489 | compile_cond (SCHEME_P_ stream s, pointer x) |
|
|
3490 | { |
|
|
3491 | for ( ; x != NIL; x = cdr (x)) |
|
|
3492 | { |
|
|
3493 | compile_expr (SCHEME_A_ s, caar (x)); |
|
|
3494 | stream t = stream_init (); compile_expr (SCHEME_A_ t, cdar (x)); |
|
|
3495 | stream_put_v (s, stream_size (t)); |
|
|
3496 | stream_put_stream (s, t); |
|
|
3497 | } |
|
|
3498 | |
|
|
3499 | stream_put_v (s, 0); |
|
|
3500 | } |
|
|
3501 | |
3297 | static int |
3502 | static pointer |
|
|
3503 | lookup (SCHEME_P_ pointer x) |
|
|
3504 | { |
|
|
3505 | x = find_slot_in_env (SCHEME_A_ SCHEME_V->envir, x, 1); |
|
|
3506 | |
|
|
3507 | if (x != NIL) |
|
|
3508 | x = slot_value_in_env (x); |
|
|
3509 | |
|
|
3510 | return x; |
|
|
3511 | } |
|
|
3512 | |
|
|
3513 | ecb_cold static void |
|
|
3514 | compile_expr (SCHEME_P_ stream s, pointer x) |
|
|
3515 | { |
|
|
3516 | if (x == NIL) |
|
|
3517 | { |
|
|
3518 | stream_put (s, BOP_NIL); |
|
|
3519 | return; |
|
|
3520 | } |
|
|
3521 | |
|
|
3522 | if (is_pair (x)) |
|
|
3523 | { |
|
|
3524 | pointer head = car (x); |
|
|
3525 | |
|
|
3526 | if (is_syntax (head)) |
|
|
3527 | { |
|
|
3528 | int syn = syntaxnum (head); |
|
|
3529 | x = cdr (x); |
|
|
3530 | |
|
|
3531 | switch (syntaxnum (head)) |
|
|
3532 | { |
|
|
3533 | case OP_IF0: /* if */ |
|
|
3534 | stream_put_v (s, BOP_IF); |
|
|
3535 | compile_if (SCHEME_A_ s, car (x), cadr (x), caddr (x)); |
|
|
3536 | break; |
|
|
3537 | |
|
|
3538 | case OP_OR0: /* or */ |
|
|
3539 | stream_put_v (s, BOP_OR); |
|
|
3540 | compile_and_or (SCHEME_A_ s, 0, x); |
|
|
3541 | break; |
|
|
3542 | |
|
|
3543 | case OP_AND0: /* and */ |
|
|
3544 | stream_put_v (s, BOP_AND); |
|
|
3545 | compile_and_or (SCHEME_A_ s, 1, x); |
|
|
3546 | break; |
|
|
3547 | |
|
|
3548 | case OP_CASE0: /* case */ |
|
|
3549 | stream_put_v (s, BOP_CASE); |
|
|
3550 | compile_case (SCHEME_A_ s, x); |
|
|
3551 | break; |
|
|
3552 | |
|
|
3553 | case OP_COND0: /* cond */ |
|
|
3554 | stream_put_v (s, BOP_COND); |
|
|
3555 | compile_cond (SCHEME_A_ s, x); |
|
|
3556 | break; |
|
|
3557 | |
|
|
3558 | case OP_LET0: /* let */ |
|
|
3559 | case OP_LET0AST: /* let* */ |
|
|
3560 | case OP_LET0REC: /* letrec */ |
|
|
3561 | switch (syn) |
|
|
3562 | { |
|
|
3563 | case OP_LET0: stream_put (s, BOP_LET ); break; |
|
|
3564 | case OP_LET0AST: stream_put (s, BOP_LETAST); break; |
|
|
3565 | case OP_LET0REC: stream_put (s, BOP_LETREC); break; |
|
|
3566 | } |
|
|
3567 | |
|
|
3568 | { |
|
|
3569 | pointer bindings = car (x); |
|
|
3570 | pointer body = cadr (x); |
|
|
3571 | |
|
|
3572 | for (x = bindings; x != NIL; x = cdr (x)) |
|
|
3573 | { |
|
|
3574 | pointer init = NIL; |
|
|
3575 | pointer var = car (x); |
|
|
3576 | |
|
|
3577 | if (is_pair (var)) |
|
|
3578 | { |
|
|
3579 | init = cdr (var); |
|
|
3580 | var = car (var); |
|
|
3581 | } |
|
|
3582 | |
|
|
3583 | stream_put_v (s, symbol_id (SCHEME_A_ var)); |
|
|
3584 | compile_expr (SCHEME_A_ s, init); |
|
|
3585 | } |
|
|
3586 | |
|
|
3587 | stream_put_v (s, 0); |
|
|
3588 | compile_expr (SCHEME_A_ s, body); |
|
|
3589 | } |
|
|
3590 | break; |
|
|
3591 | |
|
|
3592 | case OP_DEF0: /* define */ |
|
|
3593 | case OP_MACRO0: /* macro */ |
|
|
3594 | stream_put (s, syntaxnum (head) == OP_DEF0 ? BOP_DEFINE : BOP_MACRO); |
|
|
3595 | stream_put_v (s, cell_id (SCHEME_A_ car (x))); |
|
|
3596 | compile_expr (SCHEME_A_ s, cadr (x)); |
|
|
3597 | break; |
|
|
3598 | |
|
|
3599 | case OP_SET0: /* set! */ |
|
|
3600 | stream_put (s, BOP_SET); |
|
|
3601 | stream_put_v (s, symbol_id (SCHEME_A_ car (x))); |
|
|
3602 | compile_expr (SCHEME_A_ s, cadr (x)); |
|
|
3603 | break; |
|
|
3604 | |
|
|
3605 | case OP_BEGIN: /* begin */ |
|
|
3606 | stream_put (s, BOP_BEGIN); |
|
|
3607 | compile_list (SCHEME_A_ s, x); |
|
|
3608 | return; |
|
|
3609 | |
|
|
3610 | case OP_QUOTE: /* quote */ |
|
|
3611 | stream_put_tv (s, BOP_DATUM, cell_id (SCHEME_A_ x)); |
|
|
3612 | break; |
|
|
3613 | |
|
|
3614 | case OP_DELAY: /* delay */ |
|
|
3615 | stream_put (s, BOP_DELAY); |
|
|
3616 | compile_expr (SCHEME_A_ s, x); |
|
|
3617 | break; |
|
|
3618 | |
|
|
3619 | case OP_LAMBDA: /* lambda */ |
|
|
3620 | { |
|
|
3621 | pointer formals = car (x); |
|
|
3622 | pointer body = cadr (x); |
|
|
3623 | |
|
|
3624 | stream_put (s, BOP_LAMBDA); |
|
|
3625 | |
|
|
3626 | for (; is_pair (formals); formals = cdr (formals)) |
|
|
3627 | stream_put_v (s, symbol_id (SCHEME_A_ car (formals))); |
|
|
3628 | |
|
|
3629 | stream_put_v (s, 0); |
|
|
3630 | stream_put_v (s, formals == NIL ? 0 : symbol_id (SCHEME_A_ formals)); |
|
|
3631 | |
|
|
3632 | compile_expr (SCHEME_A_ s, body); |
|
|
3633 | } |
|
|
3634 | break; |
|
|
3635 | |
|
|
3636 | case OP_C0STREAM:/* cons-stream */ |
|
|
3637 | abort (); |
|
|
3638 | break; |
|
|
3639 | } |
|
|
3640 | |
|
|
3641 | return; |
|
|
3642 | } |
|
|
3643 | |
|
|
3644 | pointer m = lookup (SCHEME_A_ head); |
|
|
3645 | |
|
|
3646 | if (is_macro (m)) |
|
|
3647 | { |
|
|
3648 | s_save (SCHEME_A_ OP_DEBUG2, SCHEME_V->args, SCHEME_V->code); |
|
|
3649 | SCHEME_V->code = m; |
|
|
3650 | SCHEME_V->args = cons (x, NIL); |
|
|
3651 | Eval_Cycle (SCHEME_A_ OP_APPLY); |
|
|
3652 | x = SCHEME_V->value; |
|
|
3653 | compile_expr (SCHEME_A_ s, SCHEME_V->value); |
|
|
3654 | return; |
|
|
3655 | } |
|
|
3656 | |
|
|
3657 | stream_put (s, BOP_LIST_BEG); |
|
|
3658 | |
|
|
3659 | for (; x != NIL; x = cdr (x)) |
|
|
3660 | compile_expr (SCHEME_A_ s, car (x)); |
|
|
3661 | |
|
|
3662 | stream_put (s, BOP_LIST_END); |
|
|
3663 | return; |
|
|
3664 | } |
|
|
3665 | |
|
|
3666 | switch (type (x)) |
|
|
3667 | { |
|
|
3668 | case T_INTEGER: |
|
|
3669 | { |
|
|
3670 | IVALUE iv = ivalue_unchecked (x); |
|
|
3671 | iv = iv < 0 ? ((~(uint32_t)iv) << 1) | 1 : (uint32_t)iv << 1; |
|
|
3672 | stream_put_tv (s, BOP_INTEGER, iv); |
|
|
3673 | } |
|
|
3674 | return; |
|
|
3675 | |
|
|
3676 | case T_SYMBOL: |
|
|
3677 | if (0) |
|
|
3678 | { |
|
|
3679 | // no can do without more analysis |
|
|
3680 | pointer m = lookup (SCHEME_A_ x); |
|
|
3681 | |
|
|
3682 | if (is_proc (m)) |
|
|
3683 | { |
|
|
3684 | printf ("compile proc %s %d\n", procname(m), procnum(m)); |
|
|
3685 | stream_put_tv (s, BOP_SYMBOL, BOP_OP + procnum (m)); |
|
|
3686 | } |
|
|
3687 | else |
|
|
3688 | stream_put_tv (s, BOP_SYMBOL, symbol_id (SCHEME_A_ x)); |
|
|
3689 | } |
|
|
3690 | |
|
|
3691 | stream_put_tv (s, BOP_SYMBOL, symbol_id (SCHEME_A_ x)); |
|
|
3692 | return; |
|
|
3693 | |
|
|
3694 | default: |
|
|
3695 | stream_put_tv (s, BOP_DATUM, cell_id (SCHEME_A_ x)); |
|
|
3696 | break; |
|
|
3697 | } |
|
|
3698 | } |
|
|
3699 | |
|
|
3700 | ecb_cold static int |
|
|
3701 | compile_closure (SCHEME_P_ pointer p) |
|
|
3702 | { |
|
|
3703 | stream s = stream_init (); |
|
|
3704 | |
|
|
3705 | compile_list (SCHEME_A_ s, cdar (p)); |
|
|
3706 | |
|
|
3707 | FILE *xxd = popen ("xxd", "we"); |
|
|
3708 | fwrite (stream_data (s), 1, stream_size (s), xxd); |
|
|
3709 | fclose (xxd); |
|
|
3710 | |
|
|
3711 | return stream_size (s); |
|
|
3712 | } |
|
|
3713 | |
|
|
3714 | #endif |
|
|
3715 | |
|
|
3716 | /* syntax, eval, core, ... */ |
|
|
3717 | ecb_hot static int |
3298 | opexe_0 (SCHEME_P_ enum scheme_opcodes op) |
3718 | opexe_0 (SCHEME_P_ enum scheme_opcodes op) |
3299 | { |
3719 | { |
3300 | pointer args = SCHEME_V->args; |
3720 | pointer args = SCHEME_V->args; |
3301 | pointer x, y; |
3721 | pointer x, y; |
3302 | |
3722 | |
3303 | switch (op) |
3723 | switch (op) |
3304 | { |
3724 | { |
3305 | #if EXPERIMENT //D |
3725 | #if EXPERIMENT //D |
3306 | case OP_DEBUG: |
3726 | case OP_DEBUG: |
3307 | printf ("len = %d\n", debug (SCHEME_A_ 0, args) / 8); |
3727 | { |
|
|
3728 | uint32_t len = compile_closure (SCHEME_A_ car (args)); |
|
|
3729 | printf ("len = %d\n", len); |
3308 | printf ("\n"); |
3730 | printf ("\n"); |
3309 | s_return (S_T); |
3731 | s_return (S_T); |
|
|
3732 | } |
|
|
3733 | |
|
|
3734 | case OP_DEBUG2: |
|
|
3735 | return -1; |
3310 | #endif |
3736 | #endif |
|
|
3737 | |
3311 | case OP_LOAD: /* load */ |
3738 | case OP_LOAD: /* load */ |
3312 | if (file_interactive (SCHEME_A)) |
3739 | if (file_interactive (SCHEME_A)) |
3313 | { |
3740 | { |
3314 | putstr (SCHEME_A_ "Loading "); putstr (SCHEME_A_ strvalue (car (args))); putstr (SCHEME_A_ "\n"); |
3741 | putstr (SCHEME_A_ "Loading "); |
3315 | //D fprintf (port (SCHEME_V->outport)->rep.stdio.file, "Loading %s\n", strvalue (car (args))); |
3742 | putstr (SCHEME_A_ strvalue (car (args))); |
|
|
3743 | putcharacter (SCHEME_A_ '\n'); |
3316 | } |
3744 | } |
3317 | |
3745 | |
3318 | if (!file_push (SCHEME_A_ strvalue (car (args)))) |
3746 | if (!file_push (SCHEME_A_ strvalue (car (args)))) |
3319 | Error_1 ("unable to open", car (args)); |
3747 | Error_1 ("unable to open", car (args)); |
3320 | else |
3748 | |
3321 | { |
|
|
3322 | SCHEME_V->args = mk_integer (SCHEME_A_ SCHEME_V->file_i); |
3749 | SCHEME_V->args = mk_integer (SCHEME_A_ SCHEME_V->file_i); |
3323 | s_goto (OP_T0LVL); |
3750 | s_goto (OP_T0LVL); |
3324 | } |
|
|
3325 | |
3751 | |
3326 | case OP_T0LVL: /* top level */ |
3752 | case OP_T0LVL: /* top level */ |
3327 | |
3753 | |
3328 | /* If we reached the end of file, this loop is done. */ |
3754 | /* If we reached the end of file, this loop is done. */ |
3329 | if (port (SCHEME_V->loadport)->kind & port_saw_EOF) |
3755 | if (port (SCHEME_V->loadport)->kind & port_saw_EOF) |
… | |
… | |
3345 | /* If interactive, be nice to user. */ |
3771 | /* If interactive, be nice to user. */ |
3346 | if (file_interactive (SCHEME_A)) |
3772 | if (file_interactive (SCHEME_A)) |
3347 | { |
3773 | { |
3348 | SCHEME_V->envir = SCHEME_V->global_env; |
3774 | SCHEME_V->envir = SCHEME_V->global_env; |
3349 | dump_stack_reset (SCHEME_A); |
3775 | dump_stack_reset (SCHEME_A); |
3350 | putstr (SCHEME_A_ "\n"); |
3776 | putcharacter (SCHEME_A_ '\n'); |
|
|
3777 | #if EXPERIMENT |
|
|
3778 | system ("ps v $PPID"); |
|
|
3779 | #endif |
3351 | putstr (SCHEME_A_ prompt); |
3780 | putstr (SCHEME_A_ prompt); |
3352 | } |
3781 | } |
3353 | |
3782 | |
3354 | /* Set up another iteration of REPL */ |
3783 | /* Set up another iteration of REPL */ |
3355 | SCHEME_V->nesting = 0; |
3784 | SCHEME_V->nesting = 0; |
… | |
… | |
3390 | { |
3819 | { |
3391 | SCHEME_V->print_flag = 1; |
3820 | SCHEME_V->print_flag = 1; |
3392 | SCHEME_V->args = SCHEME_V->value; |
3821 | SCHEME_V->args = SCHEME_V->value; |
3393 | s_goto (OP_P0LIST); |
3822 | s_goto (OP_P0LIST); |
3394 | } |
3823 | } |
3395 | else |
3824 | |
3396 | s_return (SCHEME_V->value); |
3825 | s_return (SCHEME_V->value); |
3397 | |
3826 | |
3398 | case OP_EVAL: /* main part of evaluation */ |
3827 | case OP_EVAL: /* main part of evaluation */ |
3399 | #if USE_TRACING |
3828 | #if USE_TRACING |
3400 | if (SCHEME_V->tracing) |
3829 | if (SCHEME_V->tracing) |
3401 | { |
3830 | { |
… | |
… | |
3434 | /* If no macros => s_save(SCHEME_A_ OP_E1ARGS, NIL, cdr(SCHEME_V->code)); */ |
3863 | /* If no macros => s_save(SCHEME_A_ OP_E1ARGS, NIL, cdr(SCHEME_V->code)); */ |
3435 | SCHEME_V->code = x; |
3864 | SCHEME_V->code = x; |
3436 | s_goto (OP_EVAL); |
3865 | s_goto (OP_EVAL); |
3437 | } |
3866 | } |
3438 | } |
3867 | } |
3439 | else |
3868 | |
3440 | s_return (SCHEME_V->code); |
3869 | s_return (SCHEME_V->code); |
3441 | |
3870 | |
3442 | case OP_E0ARGS: /* eval arguments */ |
3871 | case OP_E0ARGS: /* eval arguments */ |
3443 | if (ecb_expect_false (is_macro (SCHEME_V->value))) /* macro expansion */ |
3872 | if (ecb_expect_false (is_macro (SCHEME_V->value))) /* macro expansion */ |
3444 | { |
3873 | { |
3445 | s_save (SCHEME_A_ OP_DOMACRO, NIL, NIL); |
3874 | s_save (SCHEME_A_ OP_DOMACRO, NIL, NIL); |
3446 | SCHEME_V->args = cons (SCHEME_V->code, NIL); |
3875 | SCHEME_V->args = cons (SCHEME_V->code, NIL); |
3447 | SCHEME_V->code = SCHEME_V->value; |
3876 | SCHEME_V->code = SCHEME_V->value; |
3448 | s_goto (OP_APPLY); |
3877 | s_goto (OP_APPLY); |
3449 | } |
3878 | } |
3450 | else |
3879 | |
3451 | { |
|
|
3452 | SCHEME_V->code = cdr (SCHEME_V->code); |
3880 | SCHEME_V->code = cdr (SCHEME_V->code); |
3453 | s_goto (OP_E1ARGS); |
3881 | s_goto (OP_E1ARGS); |
3454 | } |
|
|
3455 | |
3882 | |
3456 | case OP_E1ARGS: /* eval arguments */ |
3883 | case OP_E1ARGS: /* eval arguments */ |
3457 | args = cons (SCHEME_V->value, args); |
3884 | args = cons (SCHEME_V->value, args); |
3458 | |
3885 | |
3459 | if (is_pair (SCHEME_V->code)) /* continue */ |
3886 | if (is_pair (SCHEME_V->code)) /* continue */ |
… | |
… | |
3470 | SCHEME_V->args = cdr (args); |
3897 | SCHEME_V->args = cdr (args); |
3471 | s_goto (OP_APPLY); |
3898 | s_goto (OP_APPLY); |
3472 | } |
3899 | } |
3473 | |
3900 | |
3474 | #if USE_TRACING |
3901 | #if USE_TRACING |
3475 | |
|
|
3476 | case OP_TRACING: |
3902 | case OP_TRACING: |
3477 | { |
3903 | { |
3478 | int tr = SCHEME_V->tracing; |
3904 | int tr = SCHEME_V->tracing; |
3479 | |
3905 | |
3480 | SCHEME_V->tracing = ivalue_unchecked (car (args)); |
3906 | SCHEME_V->tracing = ivalue_unchecked (car (args)); |
3481 | s_return (mk_integer (SCHEME_A_ tr)); |
3907 | s_return (mk_integer (SCHEME_A_ tr)); |
3482 | } |
3908 | } |
3483 | |
|
|
3484 | #endif |
3909 | #endif |
3485 | |
3910 | |
3486 | case OP_APPLY: /* apply 'code' to 'args' */ |
3911 | case OP_APPLY: /* apply 'code' to 'args' */ |
3487 | #if USE_TRACING |
3912 | #if USE_TRACING |
3488 | if (SCHEME_V->tracing) |
3913 | if (SCHEME_V->tracing) |
… | |
… | |
3542 | else if (is_continuation (SCHEME_V->code)) /* CONTINUATION */ |
3967 | else if (is_continuation (SCHEME_V->code)) /* CONTINUATION */ |
3543 | { |
3968 | { |
3544 | ss_set_cont (SCHEME_A_ cont_dump (SCHEME_V->code)); |
3969 | ss_set_cont (SCHEME_A_ cont_dump (SCHEME_V->code)); |
3545 | s_return (args != NIL ? car (args) : NIL); |
3970 | s_return (args != NIL ? car (args) : NIL); |
3546 | } |
3971 | } |
3547 | else |
3972 | |
3548 | Error_0 ("illegal function"); |
3973 | Error_0 ("illegal function"); |
3549 | |
3974 | |
3550 | case OP_DOMACRO: /* do macro */ |
3975 | case OP_DOMACRO: /* do macro */ |
3551 | SCHEME_V->code = SCHEME_V->value; |
3976 | SCHEME_V->code = SCHEME_V->value; |
3552 | s_goto (OP_EVAL); |
3977 | s_goto (OP_EVAL); |
3553 | |
3978 | |
… | |
… | |
3617 | else |
4042 | else |
3618 | new_slot_in_env (SCHEME_A_ SCHEME_V->code, SCHEME_V->value); |
4043 | new_slot_in_env (SCHEME_A_ SCHEME_V->code, SCHEME_V->value); |
3619 | |
4044 | |
3620 | s_return (SCHEME_V->code); |
4045 | s_return (SCHEME_V->code); |
3621 | |
4046 | |
3622 | |
|
|
3623 | case OP_DEFP: /* defined? */ |
4047 | case OP_DEFP: /* defined? */ |
3624 | x = SCHEME_V->envir; |
4048 | x = SCHEME_V->envir; |
3625 | |
4049 | |
3626 | if (cdr (args) != NIL) |
4050 | if (cdr (args) != NIL) |
3627 | x = cadr (args); |
4051 | x = cadr (args); |
… | |
… | |
3645 | s_return (SCHEME_V->value); |
4069 | s_return (SCHEME_V->value); |
3646 | } |
4070 | } |
3647 | else |
4071 | else |
3648 | Error_1 ("set!: unbound variable:", SCHEME_V->code); |
4072 | Error_1 ("set!: unbound variable:", SCHEME_V->code); |
3649 | |
4073 | |
3650 | |
|
|
3651 | case OP_BEGIN: /* begin */ |
4074 | case OP_BEGIN: /* begin */ |
3652 | if (!is_pair (SCHEME_V->code)) |
4075 | if (!is_pair (SCHEME_V->code)) |
3653 | s_return (SCHEME_V->code); |
4076 | s_return (SCHEME_V->code); |
3654 | |
4077 | |
3655 | if (cdr (SCHEME_V->code) != NIL) |
4078 | if (cdr (SCHEME_V->code) != NIL) |
… | |
… | |
3666 | case OP_IF1: /* if */ |
4089 | case OP_IF1: /* if */ |
3667 | if (is_true (SCHEME_V->value)) |
4090 | if (is_true (SCHEME_V->value)) |
3668 | SCHEME_V->code = car (SCHEME_V->code); |
4091 | SCHEME_V->code = car (SCHEME_V->code); |
3669 | else |
4092 | else |
3670 | SCHEME_V->code = cadr (SCHEME_V->code); /* (if #f 1) ==> () because * car(NIL) = NIL */ |
4093 | SCHEME_V->code = cadr (SCHEME_V->code); /* (if #f 1) ==> () because * car(NIL) = NIL */ |
|
|
4094 | |
3671 | s_goto (OP_EVAL); |
4095 | s_goto (OP_EVAL); |
3672 | |
4096 | |
3673 | case OP_LET0: /* let */ |
4097 | case OP_LET0: /* let */ |
3674 | SCHEME_V->args = NIL; |
4098 | SCHEME_V->args = NIL; |
3675 | SCHEME_V->value = SCHEME_V->code; |
4099 | SCHEME_V->value = SCHEME_V->code; |
3676 | SCHEME_V->code = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code); |
4100 | SCHEME_V->code = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code); |
3677 | s_goto (OP_LET1); |
4101 | s_goto (OP_LET1); |
3678 | |
4102 | |
3679 | case OP_LET1: /* let (calculate parameters) */ |
4103 | case OP_LET1: /* let (calculate parameters) */ |
|
|
4104 | case OP_LET1REC: /* letrec (calculate parameters) */ |
3680 | args = cons (SCHEME_V->value, args); |
4105 | args = cons (SCHEME_V->value, args); |
3681 | |
4106 | |
3682 | if (is_pair (SCHEME_V->code)) /* continue */ |
4107 | if (is_pair (SCHEME_V->code)) /* continue */ |
3683 | { |
4108 | { |
3684 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (cdar (SCHEME_V->code))) |
4109 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (cdar (SCHEME_V->code))) |
3685 | Error_1 ("Bad syntax of binding spec in let :", car (SCHEME_V->code)); |
4110 | Error_1 ("Bad syntax of binding spec in let/letrec:", car (SCHEME_V->code)); |
3686 | |
4111 | |
3687 | s_save (SCHEME_A_ OP_LET1, args, cdr (SCHEME_V->code)); |
4112 | s_save (SCHEME_A_ op, args, cdr (SCHEME_V->code)); |
3688 | SCHEME_V->code = cadar (SCHEME_V->code); |
4113 | SCHEME_V->code = cadar (SCHEME_V->code); |
3689 | SCHEME_V->args = NIL; |
4114 | SCHEME_V->args = NIL; |
3690 | s_goto (OP_EVAL); |
4115 | s_goto (OP_EVAL); |
3691 | } |
4116 | } |
3692 | else /* end */ |
4117 | |
3693 | { |
4118 | /* end */ |
3694 | args = reverse_in_place (SCHEME_A_ NIL, args); |
4119 | args = reverse_in_place (SCHEME_A_ NIL, args); |
3695 | SCHEME_V->code = car (args); |
4120 | SCHEME_V->code = car (args); |
3696 | SCHEME_V->args = cdr (args); |
4121 | SCHEME_V->args = cdr (args); |
3697 | s_goto (OP_LET2); |
4122 | s_goto (op == OP_LET1 ? OP_LET2 : OP_LET2REC); |
3698 | } |
|
|
3699 | |
4123 | |
3700 | case OP_LET2: /* let */ |
4124 | case OP_LET2: /* let */ |
3701 | new_frame_in_env (SCHEME_A_ SCHEME_V->envir); |
4125 | new_frame_in_env (SCHEME_A_ SCHEME_V->envir); |
3702 | |
4126 | |
3703 | for (x = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code), y = args; |
4127 | for (x = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code), y = args; |
… | |
… | |
3707 | if (is_symbol (car (SCHEME_V->code))) /* named let */ |
4131 | if (is_symbol (car (SCHEME_V->code))) /* named let */ |
3708 | { |
4132 | { |
3709 | for (x = cadr (SCHEME_V->code), args = NIL; x != NIL; x = cdr (x)) |
4133 | for (x = cadr (SCHEME_V->code), args = NIL; x != NIL; x = cdr (x)) |
3710 | { |
4134 | { |
3711 | if (!is_pair (x)) |
4135 | if (!is_pair (x)) |
3712 | Error_1 ("Bad syntax of binding in let :", x); |
4136 | Error_1 ("Bad syntax of binding in let:", x); |
3713 | |
4137 | |
3714 | if (!is_list (SCHEME_A_ car (x))) |
4138 | if (!is_list (SCHEME_A_ car (x))) |
3715 | Error_1 ("Bad syntax of binding in let :", car (x)); |
4139 | Error_1 ("Bad syntax of binding in let:", car (x)); |
3716 | |
4140 | |
3717 | args = cons (caar (x), args); |
4141 | args = cons (caar (x), args); |
3718 | } |
4142 | } |
3719 | |
4143 | |
3720 | x = mk_closure (SCHEME_A_ cons (reverse_in_place (SCHEME_A_ NIL, args), cddr (SCHEME_V->code)), |
4144 | x = mk_closure (SCHEME_A_ cons (reverse_in_place (SCHEME_A_ NIL, args), cddr (SCHEME_V->code)), |
… | |
… | |
3737 | SCHEME_V->code = cdr (SCHEME_V->code); |
4161 | SCHEME_V->code = cdr (SCHEME_V->code); |
3738 | s_goto (OP_BEGIN); |
4162 | s_goto (OP_BEGIN); |
3739 | } |
4163 | } |
3740 | |
4164 | |
3741 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (caar (SCHEME_V->code)) || !is_pair (cdaar (SCHEME_V->code))) |
4165 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (caar (SCHEME_V->code)) || !is_pair (cdaar (SCHEME_V->code))) |
3742 | Error_1 ("Bad syntax of binding spec in let* :", car (SCHEME_V->code)); |
4166 | Error_1 ("Bad syntax of binding spec in let*:", car (SCHEME_V->code)); |
3743 | |
4167 | |
3744 | s_save (SCHEME_A_ OP_LET1AST, cdr (SCHEME_V->code), car (SCHEME_V->code)); |
4168 | s_save (SCHEME_A_ OP_LET1AST, cdr (SCHEME_V->code), car (SCHEME_V->code)); |
3745 | SCHEME_V->code = car (cdaar (SCHEME_V->code)); |
4169 | SCHEME_V->code = car (cdaar (SCHEME_V->code)); |
3746 | s_goto (OP_EVAL); |
4170 | s_goto (OP_EVAL); |
3747 | |
4171 | |
… | |
… | |
3758 | s_save (SCHEME_A_ OP_LET2AST, args, SCHEME_V->code); |
4182 | s_save (SCHEME_A_ OP_LET2AST, args, SCHEME_V->code); |
3759 | SCHEME_V->code = cadar (SCHEME_V->code); |
4183 | SCHEME_V->code = cadar (SCHEME_V->code); |
3760 | SCHEME_V->args = NIL; |
4184 | SCHEME_V->args = NIL; |
3761 | s_goto (OP_EVAL); |
4185 | s_goto (OP_EVAL); |
3762 | } |
4186 | } |
3763 | else /* end */ |
4187 | |
|
|
4188 | /* end */ |
3764 | { |
4189 | |
3765 | SCHEME_V->code = args; |
4190 | SCHEME_V->code = args; |
3766 | SCHEME_V->args = NIL; |
4191 | SCHEME_V->args = NIL; |
3767 | s_goto (OP_BEGIN); |
4192 | s_goto (OP_BEGIN); |
3768 | } |
|
|
3769 | |
4193 | |
3770 | case OP_LET0REC: /* letrec */ |
4194 | case OP_LET0REC: /* letrec */ |
3771 | new_frame_in_env (SCHEME_A_ SCHEME_V->envir); |
4195 | new_frame_in_env (SCHEME_A_ SCHEME_V->envir); |
3772 | SCHEME_V->args = NIL; |
4196 | SCHEME_V->args = NIL; |
3773 | SCHEME_V->value = SCHEME_V->code; |
4197 | SCHEME_V->value = SCHEME_V->code; |
3774 | SCHEME_V->code = car (SCHEME_V->code); |
4198 | SCHEME_V->code = car (SCHEME_V->code); |
3775 | s_goto (OP_LET1REC); |
4199 | s_goto (OP_LET1REC); |
3776 | |
4200 | |
3777 | case OP_LET1REC: /* letrec (calculate parameters) */ |
4201 | /* OP_LET1REC handled by OP_LET1 */ |
3778 | args = cons (SCHEME_V->value, args); |
|
|
3779 | |
|
|
3780 | if (is_pair (SCHEME_V->code)) /* continue */ |
|
|
3781 | { |
|
|
3782 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (cdar (SCHEME_V->code))) |
|
|
3783 | Error_1 ("Bad syntax of binding spec in letrec :", car (SCHEME_V->code)); |
|
|
3784 | |
|
|
3785 | s_save (SCHEME_A_ OP_LET1REC, args, cdr (SCHEME_V->code)); |
|
|
3786 | SCHEME_V->code = cadar (SCHEME_V->code); |
|
|
3787 | SCHEME_V->args = NIL; |
|
|
3788 | s_goto (OP_EVAL); |
|
|
3789 | } |
|
|
3790 | else /* end */ |
|
|
3791 | { |
|
|
3792 | args = reverse_in_place (SCHEME_A_ NIL, args); |
|
|
3793 | SCHEME_V->code = car (args); |
|
|
3794 | SCHEME_V->args = cdr (args); |
|
|
3795 | s_goto (OP_LET2REC); |
|
|
3796 | } |
|
|
3797 | |
4202 | |
3798 | case OP_LET2REC: /* letrec */ |
4203 | case OP_LET2REC: /* letrec */ |
3799 | for (x = car (SCHEME_V->code), y = args; y != NIL; x = cdr (x), y = cdr (y)) |
4204 | for (x = car (SCHEME_V->code), y = args; y != NIL; x = cdr (x), y = cdr (y)) |
3800 | new_slot_in_env (SCHEME_A_ caar (x), car (y)); |
4205 | new_slot_in_env (SCHEME_A_ caar (x), car (y)); |
3801 | |
4206 | |
… | |
… | |
3831 | } |
4236 | } |
3832 | else |
4237 | else |
3833 | { |
4238 | { |
3834 | if ((SCHEME_V->code = cdr (SCHEME_V->code)) == NIL) |
4239 | if ((SCHEME_V->code = cdr (SCHEME_V->code)) == NIL) |
3835 | s_return (NIL); |
4240 | s_return (NIL); |
3836 | else |
4241 | |
3837 | { |
|
|
3838 | s_save (SCHEME_A_ OP_COND1, NIL, SCHEME_V->code); |
4242 | s_save (SCHEME_A_ OP_COND1, NIL, SCHEME_V->code); |
3839 | SCHEME_V->code = caar (SCHEME_V->code); |
4243 | SCHEME_V->code = caar (SCHEME_V->code); |
3840 | s_goto (OP_EVAL); |
4244 | s_goto (OP_EVAL); |
3841 | } |
|
|
3842 | } |
4245 | } |
3843 | |
4246 | |
3844 | case OP_DELAY: /* delay */ |
4247 | case OP_DELAY: /* delay */ |
3845 | x = mk_closure (SCHEME_A_ cons (NIL, SCHEME_V->code), SCHEME_V->envir); |
4248 | x = mk_closure (SCHEME_A_ cons (NIL, SCHEME_V->code), SCHEME_V->envir); |
3846 | set_typeflag (x, T_PROMISE); |
4249 | set_typeflag (x, T_PROMISE); |
… | |
… | |
3857 | case OP_AND1: /* and */ |
4260 | case OP_AND1: /* and */ |
3858 | if (is_false (SCHEME_V->value)) |
4261 | if (is_false (SCHEME_V->value)) |
3859 | s_return (SCHEME_V->value); |
4262 | s_return (SCHEME_V->value); |
3860 | else if (SCHEME_V->code == NIL) |
4263 | else if (SCHEME_V->code == NIL) |
3861 | s_return (SCHEME_V->value); |
4264 | s_return (SCHEME_V->value); |
3862 | else |
4265 | |
3863 | { |
|
|
3864 | s_save (SCHEME_A_ OP_AND1, NIL, cdr (SCHEME_V->code)); |
4266 | s_save (SCHEME_A_ OP_AND1, NIL, cdr (SCHEME_V->code)); |
3865 | SCHEME_V->code = car (SCHEME_V->code); |
4267 | SCHEME_V->code = car (SCHEME_V->code); |
3866 | s_goto (OP_EVAL); |
4268 | s_goto (OP_EVAL); |
3867 | } |
|
|
3868 | |
4269 | |
3869 | case OP_OR0: /* or */ |
4270 | case OP_OR0: /* or */ |
3870 | if (SCHEME_V->code == NIL) |
4271 | if (SCHEME_V->code == NIL) |
3871 | s_return (S_F); |
4272 | s_return (S_F); |
3872 | |
4273 | |
… | |
… | |
3877 | case OP_OR1: /* or */ |
4278 | case OP_OR1: /* or */ |
3878 | if (is_true (SCHEME_V->value)) |
4279 | if (is_true (SCHEME_V->value)) |
3879 | s_return (SCHEME_V->value); |
4280 | s_return (SCHEME_V->value); |
3880 | else if (SCHEME_V->code == NIL) |
4281 | else if (SCHEME_V->code == NIL) |
3881 | s_return (SCHEME_V->value); |
4282 | s_return (SCHEME_V->value); |
3882 | else |
4283 | |
3883 | { |
|
|
3884 | s_save (SCHEME_A_ OP_OR1, NIL, cdr (SCHEME_V->code)); |
4284 | s_save (SCHEME_A_ OP_OR1, NIL, cdr (SCHEME_V->code)); |
3885 | SCHEME_V->code = car (SCHEME_V->code); |
4285 | SCHEME_V->code = car (SCHEME_V->code); |
3886 | s_goto (OP_EVAL); |
4286 | s_goto (OP_EVAL); |
3887 | } |
|
|
3888 | |
4287 | |
3889 | case OP_C0STREAM: /* cons-stream */ |
4288 | case OP_C0STREAM: /* cons-stream */ |
3890 | s_save (SCHEME_A_ OP_C1STREAM, NIL, cdr (SCHEME_V->code)); |
4289 | s_save (SCHEME_A_ OP_C1STREAM, NIL, cdr (SCHEME_V->code)); |
3891 | SCHEME_V->code = car (SCHEME_V->code); |
4290 | SCHEME_V->code = car (SCHEME_V->code); |
3892 | s_goto (OP_EVAL); |
4291 | s_goto (OP_EVAL); |
… | |
… | |
3957 | s_save (SCHEME_A_ OP_CASE2, NIL, cdar (x)); |
4356 | s_save (SCHEME_A_ OP_CASE2, NIL, cdar (x)); |
3958 | SCHEME_V->code = caar (x); |
4357 | SCHEME_V->code = caar (x); |
3959 | s_goto (OP_EVAL); |
4358 | s_goto (OP_EVAL); |
3960 | } |
4359 | } |
3961 | } |
4360 | } |
3962 | else |
4361 | |
3963 | s_return (NIL); |
4362 | s_return (NIL); |
3964 | |
4363 | |
3965 | case OP_CASE2: /* case */ |
4364 | case OP_CASE2: /* case */ |
3966 | if (is_true (SCHEME_V->value)) |
4365 | if (is_true (SCHEME_V->value)) |
3967 | s_goto (OP_BEGIN); |
4366 | s_goto (OP_BEGIN); |
3968 | else |
4367 | |
3969 | s_return (NIL); |
4368 | s_return (NIL); |
3970 | |
4369 | |
3971 | case OP_PAPPLY: /* apply */ |
4370 | case OP_PAPPLY: /* apply */ |
3972 | SCHEME_V->code = car (args); |
4371 | SCHEME_V->code = car (args); |
3973 | SCHEME_V->args = list_star (SCHEME_A_ cdr (args)); |
4372 | SCHEME_V->args = list_star (SCHEME_A_ cdr (args)); |
3974 | /*SCHEME_V->args = cadr(args); */ |
4373 | /*SCHEME_V->args = cadr(args); */ |
… | |
… | |
3988 | } |
4387 | } |
3989 | |
4388 | |
3990 | if (USE_ERROR_CHECKING) abort (); |
4389 | if (USE_ERROR_CHECKING) abort (); |
3991 | } |
4390 | } |
3992 | |
4391 | |
3993 | static int |
4392 | /* math, cxr */ |
|
|
4393 | ecb_hot static int |
3994 | opexe_1 (SCHEME_P_ enum scheme_opcodes op) |
4394 | opexe_1 (SCHEME_P_ enum scheme_opcodes op) |
3995 | { |
4395 | { |
3996 | pointer args = SCHEME_V->args; |
4396 | pointer args = SCHEME_V->args; |
3997 | pointer x = car (args); |
4397 | pointer x = car (args); |
3998 | num v; |
4398 | num v; |
… | |
… | |
4011 | Error_1 ("inexact->exact: not integral:", x); |
4411 | Error_1 ("inexact->exact: not integral:", x); |
4012 | } |
4412 | } |
4013 | |
4413 | |
4014 | s_return (x); |
4414 | s_return (x); |
4015 | |
4415 | |
|
|
4416 | case OP_FLOOR: s_return (mk_real (SCHEME_A_ floor (rvalue (x)))); |
|
|
4417 | case OP_CEILING: s_return (mk_real (SCHEME_A_ ceil (rvalue (x)))); |
|
|
4418 | case OP_TRUNCATE: s_return (mk_real (SCHEME_A_ trunc (rvalue (x)))); |
|
|
4419 | case OP_ROUND: s_return (mk_real (SCHEME_A_ nearbyint (rvalue (x)))); |
|
|
4420 | |
|
|
4421 | case OP_SQRT: s_return (mk_real (SCHEME_A_ sqrt (rvalue (x)))); |
4016 | case OP_EXP: s_return (mk_real (SCHEME_A_ exp (rvalue (x)))); |
4422 | case OP_EXP: s_return (mk_real (SCHEME_A_ exp (rvalue (x)))); |
4017 | case OP_LOG: s_return (mk_real (SCHEME_A_ log (rvalue (x)) |
4423 | case OP_LOG: s_return (mk_real (SCHEME_A_ log (rvalue (x)) |
4018 | / (cadr (args) == NIL ? 1 : log (rvalue (cadr (args)))))); |
4424 | / (cadr (args) == NIL ? 1 : log (rvalue (cadr (args)))))); |
4019 | case OP_SIN: s_return (mk_real (SCHEME_A_ sin (rvalue (x)))); |
4425 | case OP_SIN: s_return (mk_real (SCHEME_A_ sin (rvalue (x)))); |
4020 | case OP_COS: s_return (mk_real (SCHEME_A_ cos (rvalue (x)))); |
4426 | case OP_COS: s_return (mk_real (SCHEME_A_ cos (rvalue (x)))); |
… | |
… | |
4026 | s_return (mk_real (SCHEME_A_ |
4432 | s_return (mk_real (SCHEME_A_ |
4027 | cdr (args) == NIL |
4433 | cdr (args) == NIL |
4028 | ? atan (rvalue (x)) |
4434 | ? atan (rvalue (x)) |
4029 | : atan2 (rvalue (x), rvalue (cadr (args))))); |
4435 | : atan2 (rvalue (x), rvalue (cadr (args))))); |
4030 | |
4436 | |
4031 | case OP_SQRT: |
|
|
4032 | s_return (mk_real (SCHEME_A_ sqrt (rvalue (x)))); |
|
|
4033 | |
|
|
4034 | case OP_EXPT: |
4437 | case OP_EXPT: |
4035 | { |
4438 | { |
4036 | RVALUE result; |
4439 | RVALUE result; |
4037 | int real_result = 1; |
4440 | int real_result = 1; |
4038 | pointer y = cadr (args); |
4441 | pointer y = cadr (args); |
… | |
… | |
4060 | if (real_result) |
4463 | if (real_result) |
4061 | s_return (mk_real (SCHEME_A_ result)); |
4464 | s_return (mk_real (SCHEME_A_ result)); |
4062 | else |
4465 | else |
4063 | s_return (mk_integer (SCHEME_A_ result)); |
4466 | s_return (mk_integer (SCHEME_A_ result)); |
4064 | } |
4467 | } |
4065 | |
|
|
4066 | case OP_FLOOR: s_return (mk_real (SCHEME_A_ floor (rvalue (x)))); |
|
|
4067 | case OP_CEILING: s_return (mk_real (SCHEME_A_ ceil (rvalue (x)))); |
|
|
4068 | case OP_TRUNCATE: s_return (mk_real (SCHEME_A_ trunc (rvalue (x)))); |
|
|
4069 | case OP_ROUND: s_return (mk_real (SCHEME_A_ nearbyint (rvalue (x)))); |
|
|
4070 | #endif |
4468 | #endif |
4071 | |
4469 | |
4072 | case OP_ADD: /* + */ |
4470 | case OP_ADD: /* + */ |
4073 | v = num_zero; |
4471 | v = num_zero; |
4074 | |
4472 | |
… | |
… | |
4376 | memcpy (pos, strvalue (car (x)), strlength (car (x))); |
4774 | memcpy (pos, strvalue (car (x)), strlength (car (x))); |
4377 | |
4775 | |
4378 | s_return (newstr); |
4776 | s_return (newstr); |
4379 | } |
4777 | } |
4380 | |
4778 | |
4381 | case OP_SUBSTR: /* substring */ |
4779 | case OP_STRING_COPY: /* substring/string-copy */ |
4382 | { |
4780 | { |
4383 | char *str = strvalue (x); |
4781 | char *str = strvalue (x); |
4384 | int index0 = ivalue_unchecked (cadr (args)); |
4782 | int index0 = cadr (args) == NIL ? 0 : ivalue_unchecked (cadr (args)); |
4385 | int index1; |
4783 | int index1; |
4386 | int len; |
4784 | int len; |
4387 | |
4785 | |
4388 | if (index0 > strlength (x)) |
4786 | if (index0 > strlength (x)) |
4389 | Error_1 ("substring: start out of bounds:", cadr (args)); |
4787 | Error_1 ("string->copy: start out of bounds:", cadr (args)); |
4390 | |
4788 | |
4391 | if (cddr (args) != NIL) |
4789 | if (cddr (args) != NIL) |
4392 | { |
4790 | { |
4393 | index1 = ivalue_unchecked (caddr (args)); |
4791 | index1 = ivalue_unchecked (caddr (args)); |
4394 | |
4792 | |
4395 | if (index1 > strlength (x) || index1 < index0) |
4793 | if (index1 > strlength (x) || index1 < index0) |
4396 | Error_1 ("substring: end out of bounds:", caddr (args)); |
4794 | Error_1 ("string->copy: end out of bounds:", caddr (args)); |
4397 | } |
4795 | } |
4398 | else |
4796 | else |
4399 | index1 = strlength (x); |
4797 | index1 = strlength (x); |
4400 | |
4798 | |
4401 | len = index1 - index0; |
4799 | len = index1 - index0; |
4402 | x = mk_empty_string (SCHEME_A_ len, ' '); |
4800 | x = mk_counted_string (SCHEME_A_ str + index0, len); |
4403 | memcpy (strvalue (x), str + index0, len); |
|
|
4404 | strvalue (x)[len] = 0; |
|
|
4405 | |
4801 | |
4406 | s_return (x); |
4802 | s_return (x); |
4407 | } |
4803 | } |
4408 | |
4804 | |
4409 | case OP_VECTOR: /* vector */ |
4805 | case OP_VECTOR: /* vector */ |
… | |
… | |
4483 | } |
4879 | } |
4484 | |
4880 | |
4485 | if (USE_ERROR_CHECKING) abort (); |
4881 | if (USE_ERROR_CHECKING) abort (); |
4486 | } |
4882 | } |
4487 | |
4883 | |
4488 | static int |
4884 | /* relational ops */ |
|
|
4885 | ecb_hot static int |
4489 | opexe_2 (SCHEME_P_ enum scheme_opcodes op) |
4886 | opexe_2 (SCHEME_P_ enum scheme_opcodes op) |
4490 | { |
4887 | { |
4491 | pointer x = SCHEME_V->args; |
4888 | pointer x = SCHEME_V->args; |
4492 | |
4889 | |
4493 | for (;;) |
4890 | for (;;) |
… | |
… | |
4514 | } |
4911 | } |
4515 | |
4912 | |
4516 | s_return (S_T); |
4913 | s_return (S_T); |
4517 | } |
4914 | } |
4518 | |
4915 | |
4519 | static int |
4916 | /* predicates */ |
|
|
4917 | ecb_hot static int |
4520 | opexe_3 (SCHEME_P_ enum scheme_opcodes op) |
4918 | opexe_3 (SCHEME_P_ enum scheme_opcodes op) |
4521 | { |
4919 | { |
4522 | pointer args = SCHEME_V->args; |
4920 | pointer args = SCHEME_V->args; |
4523 | pointer a = car (args); |
4921 | pointer a = car (args); |
4524 | pointer d = cdr (args); |
4922 | pointer d = cdr (args); |
… | |
… | |
4571 | } |
4969 | } |
4572 | |
4970 | |
4573 | s_retbool (r); |
4971 | s_retbool (r); |
4574 | } |
4972 | } |
4575 | |
4973 | |
4576 | static int |
4974 | /* promises, list ops, ports */ |
|
|
4975 | ecb_hot static int |
4577 | opexe_4 (SCHEME_P_ enum scheme_opcodes op) |
4976 | opexe_4 (SCHEME_P_ enum scheme_opcodes op) |
4578 | { |
4977 | { |
4579 | pointer args = SCHEME_V->args; |
4978 | pointer args = SCHEME_V->args; |
4580 | pointer a = car (args); |
4979 | pointer a = car (args); |
4581 | pointer x, y; |
4980 | pointer x, y; |
… | |
… | |
4598 | case OP_SAVE_FORCED: /* Save forced value replacing promise */ |
4997 | case OP_SAVE_FORCED: /* Save forced value replacing promise */ |
4599 | *CELL (SCHEME_V->code) = *CELL (SCHEME_V->value); |
4998 | *CELL (SCHEME_V->code) = *CELL (SCHEME_V->value); |
4600 | s_return (SCHEME_V->value); |
4999 | s_return (SCHEME_V->value); |
4601 | |
5000 | |
4602 | #if USE_PORTS |
5001 | #if USE_PORTS |
|
|
5002 | |
|
|
5003 | case OP_EOF_OBJECT: /* eof-object */ |
|
|
5004 | s_return (S_EOF); |
4603 | |
5005 | |
4604 | case OP_WRITE: /* write */ |
5006 | case OP_WRITE: /* write */ |
4605 | case OP_DISPLAY: /* display */ |
5007 | case OP_DISPLAY: /* display */ |
4606 | case OP_WRITE_CHAR: /* write-char */ |
5008 | case OP_WRITE_CHAR: /* write-char */ |
4607 | if (is_pair (cdr (SCHEME_V->args))) |
5009 | if (is_pair (cdr (SCHEME_V->args))) |
… | |
… | |
4621 | else |
5023 | else |
4622 | SCHEME_V->print_flag = 0; |
5024 | SCHEME_V->print_flag = 0; |
4623 | |
5025 | |
4624 | s_goto (OP_P0LIST); |
5026 | s_goto (OP_P0LIST); |
4625 | |
5027 | |
|
|
5028 | //TODO: move to scheme |
4626 | case OP_NEWLINE: /* newline */ |
5029 | case OP_NEWLINE: /* newline */ |
4627 | if (is_pair (args)) |
5030 | if (is_pair (args)) |
4628 | { |
5031 | { |
4629 | if (a != SCHEME_V->outport) |
5032 | if (a != SCHEME_V->outport) |
4630 | { |
5033 | { |
… | |
… | |
4632 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
5035 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
4633 | SCHEME_V->outport = a; |
5036 | SCHEME_V->outport = a; |
4634 | } |
5037 | } |
4635 | } |
5038 | } |
4636 | |
5039 | |
4637 | putstr (SCHEME_A_ "\n"); |
5040 | putcharacter (SCHEME_A_ '\n'); |
4638 | s_return (S_T); |
5041 | s_return (S_T); |
4639 | #endif |
5042 | #endif |
4640 | |
5043 | |
4641 | case OP_ERR0: /* error */ |
5044 | case OP_ERR0: /* error */ |
4642 | SCHEME_V->retcode = -1; |
5045 | SCHEME_V->retcode = -1; |
… | |
… | |
4651 | putstr (SCHEME_A_ strvalue (car (args))); |
5054 | putstr (SCHEME_A_ strvalue (car (args))); |
4652 | SCHEME_V->args = cdr (args); |
5055 | SCHEME_V->args = cdr (args); |
4653 | s_goto (OP_ERR1); |
5056 | s_goto (OP_ERR1); |
4654 | |
5057 | |
4655 | case OP_ERR1: /* error */ |
5058 | case OP_ERR1: /* error */ |
4656 | putstr (SCHEME_A_ " "); |
5059 | putcharacter (SCHEME_A_ ' '); |
4657 | |
5060 | |
4658 | if (args != NIL) |
5061 | if (args != NIL) |
4659 | { |
5062 | { |
4660 | s_save (SCHEME_A_ OP_ERR1, cdr (args), NIL); |
5063 | s_save (SCHEME_A_ OP_ERR1, cdr (args), NIL); |
4661 | SCHEME_V->args = a; |
5064 | SCHEME_V->args = a; |
4662 | SCHEME_V->print_flag = 1; |
5065 | SCHEME_V->print_flag = 1; |
4663 | s_goto (OP_P0LIST); |
5066 | s_goto (OP_P0LIST); |
4664 | } |
5067 | } |
4665 | else |
5068 | else |
4666 | { |
5069 | { |
4667 | putstr (SCHEME_A_ "\n"); |
5070 | putcharacter (SCHEME_A_ '\n'); |
4668 | |
5071 | |
4669 | if (SCHEME_V->interactive_repl) |
5072 | if (SCHEME_V->interactive_repl) |
4670 | s_goto (OP_T0LVL); |
5073 | s_goto (OP_T0LVL); |
4671 | else |
5074 | else |
4672 | return -1; |
5075 | return -1; |
… | |
… | |
4880 | } |
5283 | } |
4881 | |
5284 | |
4882 | if (USE_ERROR_CHECKING) abort (); |
5285 | if (USE_ERROR_CHECKING) abort (); |
4883 | } |
5286 | } |
4884 | |
5287 | |
4885 | static int |
5288 | /* reading */ |
|
|
5289 | ecb_cold static int |
4886 | opexe_5 (SCHEME_P_ enum scheme_opcodes op) |
5290 | opexe_5 (SCHEME_P_ enum scheme_opcodes op) |
4887 | { |
5291 | { |
4888 | pointer args = SCHEME_V->args; |
5292 | pointer args = SCHEME_V->args; |
4889 | pointer x; |
5293 | pointer x; |
4890 | |
5294 | |
… | |
… | |
4969 | case OP_RDSEXPR: |
5373 | case OP_RDSEXPR: |
4970 | switch (SCHEME_V->tok) |
5374 | switch (SCHEME_V->tok) |
4971 | { |
5375 | { |
4972 | case TOK_EOF: |
5376 | case TOK_EOF: |
4973 | s_return (S_EOF); |
5377 | s_return (S_EOF); |
4974 | /* NOTREACHED */ |
|
|
4975 | |
5378 | |
4976 | case TOK_VEC: |
5379 | case TOK_VEC: |
4977 | s_save (SCHEME_A_ OP_RDVEC, NIL, NIL); |
5380 | s_save (SCHEME_A_ OP_RDVEC, NIL, NIL); |
4978 | /* fall through */ |
5381 | /* fall through */ |
4979 | |
5382 | |
… | |
… | |
4982 | |
5385 | |
4983 | if (SCHEME_V->tok == TOK_RPAREN) |
5386 | if (SCHEME_V->tok == TOK_RPAREN) |
4984 | s_return (NIL); |
5387 | s_return (NIL); |
4985 | else if (SCHEME_V->tok == TOK_DOT) |
5388 | else if (SCHEME_V->tok == TOK_DOT) |
4986 | Error_0 ("syntax error: illegal dot expression"); |
5389 | Error_0 ("syntax error: illegal dot expression"); |
4987 | else |
5390 | |
4988 | { |
|
|
4989 | SCHEME_V->nesting_stack[SCHEME_V->file_i]++; |
5391 | SCHEME_V->nesting_stack[SCHEME_V->file_i]++; |
4990 | s_save (SCHEME_A_ OP_RDLIST, NIL, NIL); |
5392 | s_save (SCHEME_A_ OP_RDLIST, NIL, NIL); |
4991 | s_goto (OP_RDSEXPR); |
5393 | s_goto (OP_RDSEXPR); |
4992 | } |
|
|
4993 | |
5394 | |
4994 | case TOK_QUOTE: |
5395 | case TOK_QUOTE: |
4995 | s_save (SCHEME_A_ OP_RDQUOTE, NIL, NIL); |
5396 | s_save (SCHEME_A_ OP_RDQUOTE, NIL, NIL); |
4996 | SCHEME_V->tok = token (SCHEME_A); |
5397 | SCHEME_V->tok = token (SCHEME_A); |
4997 | s_goto (OP_RDSEXPR); |
5398 | s_goto (OP_RDSEXPR); |
… | |
… | |
5003 | { |
5404 | { |
5004 | s_save (SCHEME_A_ OP_RDQQUOTEVEC, NIL, NIL); |
5405 | s_save (SCHEME_A_ OP_RDQQUOTEVEC, NIL, NIL); |
5005 | SCHEME_V->tok = TOK_LPAREN; |
5406 | SCHEME_V->tok = TOK_LPAREN; |
5006 | s_goto (OP_RDSEXPR); |
5407 | s_goto (OP_RDSEXPR); |
5007 | } |
5408 | } |
5008 | else |
5409 | |
5009 | s_save (SCHEME_A_ OP_RDQQUOTE, NIL, NIL); |
5410 | s_save (SCHEME_A_ OP_RDQQUOTE, NIL, NIL); |
5010 | |
|
|
5011 | s_goto (OP_RDSEXPR); |
5411 | s_goto (OP_RDSEXPR); |
5012 | |
5412 | |
5013 | case TOK_COMMA: |
5413 | case TOK_COMMA: |
5014 | s_save (SCHEME_A_ OP_RDUNQUOTE, NIL, NIL); |
5414 | s_save (SCHEME_A_ OP_RDUNQUOTE, NIL, NIL); |
5015 | SCHEME_V->tok = token (SCHEME_A); |
5415 | SCHEME_V->tok = token (SCHEME_A); |
… | |
… | |
5026 | case TOK_DOTATOM: |
5426 | case TOK_DOTATOM: |
5027 | SCHEME_V->strbuff[0] = '.'; |
5427 | SCHEME_V->strbuff[0] = '.'; |
5028 | s_return (mk_atom (SCHEME_A_ readstr_upto (SCHEME_A_ 1, DELIMITERS))); |
5428 | s_return (mk_atom (SCHEME_A_ readstr_upto (SCHEME_A_ 1, DELIMITERS))); |
5029 | |
5429 | |
5030 | case TOK_STRATOM: |
5430 | case TOK_STRATOM: |
|
|
5431 | //TODO: haven't checked whether the garbage collector could interfere and free x |
|
|
5432 | gc (SCHEME_A_ NIL, NIL); //TODO: superheavyhanded |
5031 | x = readstrexp (SCHEME_A_ '|'); |
5433 | x = readstrexp (SCHEME_A_ '|'); |
5032 | //TODO: haven't checked whether the garbage collector could interfere |
|
|
5033 | s_return (mk_atom (SCHEME_A_ strvalue (x))); |
5434 | s_return (mk_atom (SCHEME_A_ strvalue (x))); |
5034 | |
5435 | |
5035 | case TOK_DQUOTE: |
5436 | case TOK_DQUOTE: |
5036 | x = readstrexp (SCHEME_A_ '"'); |
5437 | x = readstrexp (SCHEME_A_ '"'); |
5037 | |
5438 | |
… | |
… | |
5045 | { |
5446 | { |
5046 | pointer f = find_slot_in_env (SCHEME_A_ SCHEME_V->envir, SCHEME_V->SHARP_HOOK, 1); |
5447 | pointer f = find_slot_in_env (SCHEME_A_ SCHEME_V->envir, SCHEME_V->SHARP_HOOK, 1); |
5047 | |
5448 | |
5048 | if (f == NIL) |
5449 | if (f == NIL) |
5049 | Error_0 ("undefined sharp expression"); |
5450 | Error_0 ("undefined sharp expression"); |
5050 | else |
5451 | |
5051 | { |
|
|
5052 | SCHEME_V->code = cons (slot_value_in_env (f), NIL); |
5452 | SCHEME_V->code = cons (slot_value_in_env (f), NIL); |
5053 | s_goto (OP_EVAL); |
5453 | s_goto (OP_EVAL); |
5054 | } |
|
|
5055 | } |
5454 | } |
5056 | |
5455 | |
5057 | case TOK_SHARP_CONST: |
5456 | case TOK_SHARP_CONST: |
5058 | if ((x = mk_sharp_const (SCHEME_A_ readstr_upto (SCHEME_A_ 0, DELIMITERS))) == NIL) |
5457 | if ((x = mk_sharp_const (SCHEME_A_ readstr_upto (SCHEME_A_ 0, DELIMITERS))) == NIL) |
5059 | Error_0 ("undefined sharp expression"); |
5458 | Error_0 ("undefined sharp expression"); |
5060 | else |
5459 | |
5061 | s_return (x); |
5460 | s_return (x); |
5062 | |
5461 | |
5063 | default: |
5462 | default: |
5064 | Error_0 ("syntax error: illegal token"); |
5463 | Error_0 ("syntax error: illegal token"); |
5065 | } |
5464 | } |
5066 | |
5465 | |
… | |
… | |
5159 | pointer b = cdr (args); |
5558 | pointer b = cdr (args); |
5160 | int ok_abbr = ok_abbrev (b); |
5559 | int ok_abbr = ok_abbrev (b); |
5161 | SCHEME_V->args = car (b); |
5560 | SCHEME_V->args = car (b); |
5162 | |
5561 | |
5163 | if (a == SCHEME_V->QUOTE && ok_abbr) |
5562 | if (a == SCHEME_V->QUOTE && ok_abbr) |
5164 | putstr (SCHEME_A_ "'"); |
5563 | putcharacter (SCHEME_A_ '\''); |
5165 | else if (a == SCHEME_V->QQUOTE && ok_abbr) |
5564 | else if (a == SCHEME_V->QQUOTE && ok_abbr) |
5166 | putstr (SCHEME_A_ "`"); |
5565 | putcharacter (SCHEME_A_ '`'); |
5167 | else if (a == SCHEME_V->UNQUOTE && ok_abbr) |
5566 | else if (a == SCHEME_V->UNQUOTE && ok_abbr) |
5168 | putstr (SCHEME_A_ ","); |
5567 | putcharacter (SCHEME_A_ ','); |
5169 | else if (a == SCHEME_V->UNQUOTESP && ok_abbr) |
5568 | else if (a == SCHEME_V->UNQUOTESP && ok_abbr) |
5170 | putstr (SCHEME_A_ ",@"); |
5569 | putstr (SCHEME_A_ ",@"); |
5171 | else |
5570 | else |
5172 | { |
5571 | { |
5173 | putstr (SCHEME_A_ "("); |
5572 | putcharacter (SCHEME_A_ '('); |
5174 | s_save (SCHEME_A_ OP_P1LIST, b, NIL); |
5573 | s_save (SCHEME_A_ OP_P1LIST, b, NIL); |
5175 | SCHEME_V->args = a; |
5574 | SCHEME_V->args = a; |
5176 | } |
5575 | } |
5177 | |
5576 | |
5178 | s_goto (OP_P0LIST); |
5577 | s_goto (OP_P0LIST); |
… | |
… | |
5180 | |
5579 | |
5181 | case OP_P1LIST: |
5580 | case OP_P1LIST: |
5182 | if (is_pair (args)) |
5581 | if (is_pair (args)) |
5183 | { |
5582 | { |
5184 | s_save (SCHEME_A_ OP_P1LIST, cdr (args), NIL); |
5583 | s_save (SCHEME_A_ OP_P1LIST, cdr (args), NIL); |
5185 | putstr (SCHEME_A_ " "); |
5584 | putcharacter (SCHEME_A_ ' '); |
5186 | SCHEME_V->args = car (args); |
5585 | SCHEME_V->args = car (args); |
5187 | s_goto (OP_P0LIST); |
5586 | s_goto (OP_P0LIST); |
5188 | } |
5587 | } |
5189 | else if (is_vector (args)) |
5588 | else if (is_vector (args)) |
5190 | { |
5589 | { |
… | |
… | |
5198 | { |
5597 | { |
5199 | putstr (SCHEME_A_ " . "); |
5598 | putstr (SCHEME_A_ " . "); |
5200 | printatom (SCHEME_A_ args, SCHEME_V->print_flag); |
5599 | printatom (SCHEME_A_ args, SCHEME_V->print_flag); |
5201 | } |
5600 | } |
5202 | |
5601 | |
5203 | putstr (SCHEME_A_ ")"); |
5602 | putcharacter (SCHEME_A_ ')'); |
5204 | s_return (S_T); |
5603 | s_return (S_T); |
5205 | } |
5604 | } |
5206 | |
5605 | |
5207 | case OP_PVECFROM: |
5606 | case OP_PVECFROM: |
5208 | { |
5607 | { |
5209 | int i = ivalue_unchecked (cdr (args)); |
5608 | IVALUE i = ivalue_unchecked (cdr (args)); |
5210 | pointer vec = car (args); |
5609 | pointer vec = car (args); |
5211 | int len = veclength (vec); |
5610 | uint32_t len = veclength (vec); |
5212 | |
5611 | |
5213 | if (i == len) |
5612 | if (i == len) |
5214 | { |
5613 | { |
5215 | putstr (SCHEME_A_ ")"); |
5614 | putcharacter (SCHEME_A_ ')'); |
5216 | s_return (S_T); |
5615 | s_return (S_T); |
5217 | } |
5616 | } |
5218 | else |
5617 | else |
5219 | { |
5618 | { |
5220 | pointer elem = vector_get (vec, i); |
5619 | pointer elem = vector_get (vec, i); |
5221 | |
5620 | |
5222 | ivalue_unchecked (cdr (args)) = i + 1; |
5621 | set_cdr (args, mk_integer (SCHEME_A_ i + 1)); |
5223 | s_save (SCHEME_A_ OP_PVECFROM, args, NIL); |
5622 | s_save (SCHEME_A_ OP_PVECFROM, args, NIL); |
5224 | SCHEME_V->args = elem; |
5623 | SCHEME_V->args = elem; |
5225 | |
5624 | |
5226 | if (i > 0) |
5625 | if (i > 0) |
5227 | putstr (SCHEME_A_ " "); |
5626 | putcharacter (SCHEME_A_ ' '); |
5228 | |
5627 | |
5229 | s_goto (OP_P0LIST); |
5628 | s_goto (OP_P0LIST); |
5230 | } |
5629 | } |
5231 | } |
5630 | } |
5232 | } |
5631 | } |
5233 | |
5632 | |
5234 | if (USE_ERROR_CHECKING) abort (); |
5633 | if (USE_ERROR_CHECKING) abort (); |
5235 | } |
5634 | } |
5236 | |
5635 | |
5237 | static int |
5636 | /* list ops */ |
|
|
5637 | ecb_hot static int |
5238 | opexe_6 (SCHEME_P_ enum scheme_opcodes op) |
5638 | opexe_6 (SCHEME_P_ enum scheme_opcodes op) |
5239 | { |
5639 | { |
5240 | pointer args = SCHEME_V->args; |
5640 | pointer args = SCHEME_V->args; |
5241 | pointer a = car (args); |
5641 | pointer a = car (args); |
5242 | pointer x, y; |
5642 | pointer x, y; |
… | |
… | |
5265 | break; |
5665 | break; |
5266 | } |
5666 | } |
5267 | |
5667 | |
5268 | if (is_pair (y)) |
5668 | if (is_pair (y)) |
5269 | s_return (car (y)); |
5669 | s_return (car (y)); |
5270 | else |
5670 | |
5271 | s_return (S_F); |
5671 | s_return (S_F); |
5272 | |
|
|
5273 | |
5672 | |
5274 | case OP_GET_CLOSURE: /* get-closure-code *//* a.k */ |
5673 | case OP_GET_CLOSURE: /* get-closure-code *//* a.k */ |
5275 | SCHEME_V->args = a; |
5674 | SCHEME_V->args = a; |
5276 | |
5675 | |
5277 | if (SCHEME_V->args == NIL) |
5676 | if (SCHEME_V->args == NIL) |
5278 | s_return (S_F); |
5677 | s_return (S_F); |
5279 | else if (is_closure (SCHEME_V->args)) |
5678 | else if (is_closure (SCHEME_V->args) || is_macro (SCHEME_V->args)) |
5280 | s_return (cons (SCHEME_V->LAMBDA, closure_code (SCHEME_V->value))); |
5679 | s_return (cons (SCHEME_V->LAMBDA, closure_code (SCHEME_V->value))); |
5281 | else if (is_macro (SCHEME_V->args)) |
5680 | |
5282 | s_return (cons (SCHEME_V->LAMBDA, closure_code (SCHEME_V->value))); |
|
|
5283 | else |
|
|
5284 | s_return (S_F); |
5681 | s_return (S_F); |
5285 | |
5682 | |
5286 | case OP_CLOSUREP: /* closure? */ |
5683 | case OP_CLOSUREP: /* closure? */ |
5287 | /* |
5684 | /* |
5288 | * Note, macro object is also a closure. |
5685 | * Note, macro object is also a closure. |
5289 | * Therefore, (closure? <#MACRO>) ==> #t |
5686 | * Therefore, (closure? <#MACRO>) ==> #t |
… | |
… | |
5300 | |
5697 | |
5301 | /* dispatch functions (opexe_x) return new opcode, or 0 for same opcode, or -1 to stop */ |
5698 | /* dispatch functions (opexe_x) return new opcode, or 0 for same opcode, or -1 to stop */ |
5302 | typedef int (*dispatch_func)(SCHEME_P_ enum scheme_opcodes); |
5699 | typedef int (*dispatch_func)(SCHEME_P_ enum scheme_opcodes); |
5303 | |
5700 | |
5304 | typedef int (*test_predicate)(pointer); |
5701 | typedef int (*test_predicate)(pointer); |
5305 | static int |
5702 | |
|
|
5703 | ecb_hot static int |
5306 | tst_any (pointer p) |
5704 | tst_any (pointer p) |
5307 | { |
5705 | { |
5308 | return 1; |
5706 | return 1; |
5309 | } |
5707 | } |
5310 | |
5708 | |
5311 | static int |
5709 | ecb_hot static int |
5312 | tst_inonneg (pointer p) |
5710 | tst_inonneg (pointer p) |
5313 | { |
5711 | { |
5314 | return is_integer (p) && ivalue_unchecked (p) >= 0; |
5712 | return is_integer (p) && ivalue_unchecked (p) >= 0; |
5315 | } |
5713 | } |
5316 | |
5714 | |
5317 | static int |
5715 | ecb_hot static int |
5318 | tst_is_list (SCHEME_P_ pointer p) |
5716 | tst_is_list (SCHEME_P_ pointer p) |
5319 | { |
5717 | { |
5320 | return p == NIL || is_pair (p); |
5718 | return p == NIL || is_pair (p); |
5321 | } |
5719 | } |
5322 | |
5720 | |
… | |
… | |
5365 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) name "\x00" |
5763 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) name "\x00" |
5366 | #include "opdefines.h" |
5764 | #include "opdefines.h" |
5367 | #undef OP_DEF |
5765 | #undef OP_DEF |
5368 | ; |
5766 | ; |
5369 | |
5767 | |
5370 | static const char * |
5768 | ecb_cold static const char * |
5371 | opname (int idx) |
5769 | opname (int idx) |
5372 | { |
5770 | { |
5373 | const char *name = opnames; |
5771 | const char *name = opnames; |
5374 | |
5772 | |
5375 | /* should do this at compile time, but would require external program, right? */ |
5773 | /* should do this at compile time, but would require external program, right? */ |
… | |
… | |
5377 | name += strlen (name) + 1; |
5775 | name += strlen (name) + 1; |
5378 | |
5776 | |
5379 | return *name ? name : "ILLEGAL"; |
5777 | return *name ? name : "ILLEGAL"; |
5380 | } |
5778 | } |
5381 | |
5779 | |
5382 | static const char * |
5780 | ecb_cold static const char * |
5383 | procname (pointer x) |
5781 | procname (pointer x) |
5384 | { |
5782 | { |
5385 | return opname (procnum (x)); |
5783 | return opname (procnum (x)); |
5386 | } |
5784 | } |
5387 | |
5785 | |
… | |
… | |
5407 | #undef OP_DEF |
5805 | #undef OP_DEF |
5408 | {0} |
5806 | {0} |
5409 | }; |
5807 | }; |
5410 | |
5808 | |
5411 | /* kernel of this interpreter */ |
5809 | /* kernel of this interpreter */ |
5412 | static void ecb_hot |
5810 | ecb_hot static void |
5413 | Eval_Cycle (SCHEME_P_ enum scheme_opcodes op) |
5811 | Eval_Cycle (SCHEME_P_ enum scheme_opcodes op) |
5414 | { |
5812 | { |
5415 | SCHEME_V->op = op; |
5813 | SCHEME_V->op = op; |
5416 | |
5814 | |
5417 | for (;;) |
5815 | for (;;) |
… | |
… | |
5508 | } |
5906 | } |
5509 | } |
5907 | } |
5510 | |
5908 | |
5511 | /* ========== Initialization of internal keywords ========== */ |
5909 | /* ========== Initialization of internal keywords ========== */ |
5512 | |
5910 | |
5513 | static void |
5911 | ecb_cold static void |
5514 | assign_syntax (SCHEME_P_ const char *name) |
5912 | assign_syntax (SCHEME_P_ const char *name) |
5515 | { |
5913 | { |
5516 | pointer x = oblist_add_by_name (SCHEME_A_ name); |
5914 | pointer x = oblist_add_by_name (SCHEME_A_ name); |
5517 | set_typeflag (x, typeflag (x) | T_SYNTAX); |
5915 | set_typeflag (x, typeflag (x) | T_SYNTAX); |
5518 | } |
5916 | } |
5519 | |
5917 | |
5520 | static void |
5918 | ecb_cold static void |
5521 | assign_proc (SCHEME_P_ enum scheme_opcodes op, const char *name) |
5919 | assign_proc (SCHEME_P_ enum scheme_opcodes op, const char *name) |
5522 | { |
5920 | { |
5523 | pointer x = mk_symbol (SCHEME_A_ name); |
5921 | pointer x = mk_symbol (SCHEME_A_ name); |
5524 | pointer y = mk_proc (SCHEME_A_ op); |
5922 | pointer y = mk_proc (SCHEME_A_ op); |
5525 | new_slot_in_env (SCHEME_A_ x, y); |
5923 | new_slot_in_env (SCHEME_A_ x, y); |
… | |
… | |
5528 | static pointer |
5926 | static pointer |
5529 | mk_proc (SCHEME_P_ enum scheme_opcodes op) |
5927 | mk_proc (SCHEME_P_ enum scheme_opcodes op) |
5530 | { |
5928 | { |
5531 | pointer y = get_cell (SCHEME_A_ NIL, NIL); |
5929 | pointer y = get_cell (SCHEME_A_ NIL, NIL); |
5532 | set_typeflag (y, (T_PROC | T_ATOM)); |
5930 | set_typeflag (y, (T_PROC | T_ATOM)); |
5533 | ivalue_unchecked (y) = op; |
5931 | set_ivalue (y, op); |
5534 | return y; |
5932 | return y; |
5535 | } |
5933 | } |
5536 | |
5934 | |
5537 | /* Hard-coded for the given keywords. Remember to rewrite if more are added! */ |
5935 | /* Hard-coded for the given keywords. Remember to rewrite if more are added! */ |
5538 | static int |
5936 | ecb_hot static int |
5539 | syntaxnum (pointer p) |
5937 | syntaxnum (pointer p) |
5540 | { |
5938 | { |
5541 | const char *s = strvalue (p); |
5939 | const char *s = strvalue (p); |
5542 | |
5940 | |
5543 | switch (strlength (p)) |
5941 | switch (strlength (p)) |
… | |
… | |
5622 | |
6020 | |
5623 | ecb_cold int |
6021 | ecb_cold int |
5624 | scheme_init (SCHEME_P) |
6022 | scheme_init (SCHEME_P) |
5625 | { |
6023 | { |
5626 | int i, n = sizeof (dispatch_table) / sizeof (dispatch_table[0]); |
6024 | int i, n = sizeof (dispatch_table) / sizeof (dispatch_table[0]); |
5627 | pointer x; |
|
|
5628 | |
6025 | |
5629 | /* this memset is not strictly correct, as we assume (intcache) |
6026 | /* this memset is not strictly correct, as we assume (intcache) |
5630 | * that memset 0 will also set pointers to 0, but memset does |
6027 | * that memset 0 will also set pointers to 0, but memset does |
5631 | * of course not guarantee that. screw such systems. |
6028 | * of course not guarantee that. screw such systems. |
5632 | */ |
6029 | */ |
… | |
… | |
5660 | #endif |
6057 | #endif |
5661 | } |
6058 | } |
5662 | |
6059 | |
5663 | SCHEME_V->gc_verbose = 0; |
6060 | SCHEME_V->gc_verbose = 0; |
5664 | dump_stack_initialize (SCHEME_A); |
6061 | dump_stack_initialize (SCHEME_A); |
5665 | SCHEME_V->code = NIL; |
6062 | SCHEME_V->code = NIL; |
5666 | SCHEME_V->args = NIL; |
6063 | SCHEME_V->args = NIL; |
5667 | SCHEME_V->envir = NIL; |
6064 | SCHEME_V->envir = NIL; |
|
|
6065 | SCHEME_V->value = NIL; |
5668 | SCHEME_V->tracing = 0; |
6066 | SCHEME_V->tracing = 0; |
5669 | |
6067 | |
5670 | /* init NIL */ |
6068 | /* init NIL */ |
5671 | set_typeflag (NIL, T_ATOM | T_MARK); |
6069 | set_typeflag (NIL, T_SPECIAL | T_ATOM); |
5672 | set_car (NIL, NIL); |
6070 | set_car (NIL, NIL); |
5673 | set_cdr (NIL, NIL); |
6071 | set_cdr (NIL, NIL); |
5674 | /* init T */ |
6072 | /* init T */ |
5675 | set_typeflag (S_T, T_ATOM | T_MARK); |
6073 | set_typeflag (S_T, T_SPECIAL | T_ATOM); |
5676 | set_car (S_T, S_T); |
6074 | set_car (S_T, S_T); |
5677 | set_cdr (S_T, S_T); |
6075 | set_cdr (S_T, S_T); |
5678 | /* init F */ |
6076 | /* init F */ |
5679 | set_typeflag (S_F, T_ATOM | T_MARK); |
6077 | set_typeflag (S_F, T_SPECIAL | T_ATOM); |
5680 | set_car (S_F, S_F); |
6078 | set_car (S_F, S_F); |
5681 | set_cdr (S_F, S_F); |
6079 | set_cdr (S_F, S_F); |
5682 | /* init EOF_OBJ */ |
6080 | /* init EOF_OBJ */ |
5683 | set_typeflag (S_EOF, T_ATOM | T_MARK); |
6081 | set_typeflag (S_EOF, T_SPECIAL | T_ATOM); |
5684 | set_car (S_EOF, S_EOF); |
6082 | set_car (S_EOF, S_EOF); |
5685 | set_cdr (S_EOF, S_EOF); |
6083 | set_cdr (S_EOF, S_EOF); |
5686 | /* init sink */ |
6084 | /* init sink */ |
5687 | set_typeflag (S_SINK, T_PAIR | T_MARK); |
6085 | set_typeflag (S_SINK, T_PAIR); |
5688 | set_car (S_SINK, NIL); |
6086 | set_car (S_SINK, NIL); |
5689 | |
6087 | |
5690 | /* init c_nest */ |
6088 | /* init c_nest */ |
5691 | SCHEME_V->c_nest = NIL; |
6089 | SCHEME_V->c_nest = NIL; |
5692 | |
6090 | |
5693 | SCHEME_V->oblist = oblist_initial_value (SCHEME_A); |
6091 | SCHEME_V->oblist = oblist_initial_value (SCHEME_A); |
5694 | /* init global_env */ |
6092 | /* init global_env */ |
5695 | new_frame_in_env (SCHEME_A_ NIL); |
6093 | new_frame_in_env (SCHEME_A_ NIL); |
5696 | SCHEME_V->global_env = SCHEME_V->envir; |
6094 | SCHEME_V->global_env = SCHEME_V->envir; |
5697 | /* init else */ |
6095 | /* init else */ |
5698 | x = mk_symbol (SCHEME_A_ "else"); |
6096 | new_slot_in_env (SCHEME_A_ mk_symbol (SCHEME_A_ "else"), S_T); |
5699 | new_slot_in_env (SCHEME_A_ x, S_T); |
|
|
5700 | |
6097 | |
5701 | { |
6098 | { |
5702 | static const char *syntax_names[] = { |
6099 | static const char *syntax_names[] = { |
5703 | "lambda", "quote", "define", "if", "begin", "set!", |
6100 | "lambda", "quote", "define", "if", "begin", "set!", |
5704 | "let", "let*", "letrec", "cond", "delay", "and", |
6101 | "let", "let*", "letrec", "cond", "delay", "and", |
… | |
… | |
5728 | |
6125 | |
5729 | return !SCHEME_V->no_memory; |
6126 | return !SCHEME_V->no_memory; |
5730 | } |
6127 | } |
5731 | |
6128 | |
5732 | #if USE_PORTS |
6129 | #if USE_PORTS |
5733 | void |
6130 | ecb_cold void |
5734 | scheme_set_input_port_file (SCHEME_P_ int fin) |
6131 | scheme_set_input_port_file (SCHEME_P_ int fin) |
5735 | { |
6132 | { |
5736 | SCHEME_V->inport = port_from_file (SCHEME_A_ fin, port_input); |
6133 | SCHEME_V->inport = port_from_file (SCHEME_A_ fin, port_input); |
5737 | } |
6134 | } |
5738 | |
6135 | |
5739 | void |
6136 | ecb_cold void |
5740 | scheme_set_input_port_string (SCHEME_P_ char *start, char *past_the_end) |
6137 | scheme_set_input_port_string (SCHEME_P_ char *start, char *past_the_end) |
5741 | { |
6138 | { |
5742 | SCHEME_V->inport = port_from_string (SCHEME_A_ start, past_the_end, port_input); |
6139 | SCHEME_V->inport = port_from_string (SCHEME_A_ start, past_the_end, port_input); |
5743 | } |
6140 | } |
5744 | |
6141 | |
5745 | void |
6142 | ecb_cold void |
5746 | scheme_set_output_port_file (SCHEME_P_ int fout) |
6143 | scheme_set_output_port_file (SCHEME_P_ int fout) |
5747 | { |
6144 | { |
5748 | SCHEME_V->outport = port_from_file (SCHEME_A_ fout, port_output); |
6145 | SCHEME_V->outport = port_from_file (SCHEME_A_ fout, port_output); |
5749 | } |
6146 | } |
5750 | |
6147 | |
5751 | void |
6148 | ecb_cold void |
5752 | scheme_set_output_port_string (SCHEME_P_ char *start, char *past_the_end) |
6149 | scheme_set_output_port_string (SCHEME_P_ char *start, char *past_the_end) |
5753 | { |
6150 | { |
5754 | SCHEME_V->outport = port_from_string (SCHEME_A_ start, past_the_end, port_output); |
6151 | SCHEME_V->outport = port_from_string (SCHEME_A_ start, past_the_end, port_output); |
5755 | } |
6152 | } |
5756 | #endif |
6153 | #endif |
5757 | |
6154 | |
5758 | void |
6155 | ecb_cold void |
5759 | scheme_set_external_data (SCHEME_P_ void *p) |
6156 | scheme_set_external_data (SCHEME_P_ void *p) |
5760 | { |
6157 | { |
5761 | SCHEME_V->ext_data = p; |
6158 | SCHEME_V->ext_data = p; |
5762 | } |
6159 | } |
5763 | |
6160 | |
… | |
… | |
5795 | SCHEME_V->loadport = NIL; |
6192 | SCHEME_V->loadport = NIL; |
5796 | SCHEME_V->gc_verbose = 0; |
6193 | SCHEME_V->gc_verbose = 0; |
5797 | gc (SCHEME_A_ NIL, NIL); |
6194 | gc (SCHEME_A_ NIL, NIL); |
5798 | |
6195 | |
5799 | for (i = 0; i <= SCHEME_V->last_cell_seg; i++) |
6196 | for (i = 0; i <= SCHEME_V->last_cell_seg; i++) |
5800 | free (SCHEME_V->alloc_seg[i]); |
6197 | free (SCHEME_V->cell_seg[i]); |
5801 | |
6198 | |
5802 | #if SHOW_ERROR_LINE |
6199 | #if SHOW_ERROR_LINE |
5803 | for (i = 0; i <= SCHEME_V->file_i; i++) |
6200 | for (i = 0; i <= SCHEME_V->file_i; i++) |
5804 | { |
|
|
5805 | if (SCHEME_V->load_stack[i].kind & port_file) |
6201 | if (SCHEME_V->load_stack[i].kind & port_file) |
5806 | { |
6202 | { |
5807 | fname = SCHEME_V->load_stack[i].rep.stdio.filename; |
6203 | fname = SCHEME_V->load_stack[i].rep.stdio.filename; |
5808 | |
6204 | |
5809 | if (fname) |
6205 | if (fname) |
5810 | free (fname); |
6206 | free (fname); |
5811 | } |
6207 | } |
5812 | } |
|
|
5813 | #endif |
6208 | #endif |
5814 | } |
6209 | } |
5815 | |
6210 | |
5816 | void |
6211 | ecb_cold void |
5817 | scheme_load_file (SCHEME_P_ int fin) |
6212 | scheme_load_file (SCHEME_P_ int fin) |
5818 | { |
6213 | { |
5819 | scheme_load_named_file (SCHEME_A_ fin, 0); |
6214 | scheme_load_named_file (SCHEME_A_ fin, 0); |
5820 | } |
6215 | } |
5821 | |
6216 | |
5822 | void |
6217 | ecb_cold void |
5823 | scheme_load_named_file (SCHEME_P_ int fin, const char *filename) |
6218 | scheme_load_named_file (SCHEME_P_ int fin, const char *filename) |
5824 | { |
6219 | { |
5825 | dump_stack_reset (SCHEME_A); |
6220 | dump_stack_reset (SCHEME_A); |
5826 | SCHEME_V->envir = SCHEME_V->global_env; |
6221 | SCHEME_V->envir = SCHEME_V->global_env; |
5827 | SCHEME_V->file_i = 0; |
6222 | SCHEME_V->file_i = 0; |
5828 | SCHEME_V->load_stack[0].unget = -1; |
6223 | SCHEME_V->load_stack[0].unget = -1; |
5829 | SCHEME_V->load_stack[0].kind = port_input | port_file; |
6224 | SCHEME_V->load_stack[0].kind = port_input | port_file; |
5830 | SCHEME_V->load_stack[0].rep.stdio.file = fin; |
6225 | SCHEME_V->load_stack[0].rep.stdio.file = fin; |
5831 | #if USE_PORTS |
|
|
5832 | SCHEME_V->loadport = mk_port (SCHEME_A_ SCHEME_V->load_stack); |
6226 | SCHEME_V->loadport = mk_port (SCHEME_A_ SCHEME_V->load_stack); |
5833 | #endif |
|
|
5834 | SCHEME_V->retcode = 0; |
6227 | SCHEME_V->retcode = 0; |
5835 | |
6228 | |
5836 | #if USE_PORTS |
|
|
5837 | if (fin == STDIN_FILENO) |
6229 | if (fin == STDIN_FILENO) |
5838 | SCHEME_V->interactive_repl = 1; |
6230 | SCHEME_V->interactive_repl = 1; |
5839 | #endif |
|
|
5840 | |
6231 | |
5841 | #if USE_PORTS |
6232 | #if USE_PORTS |
5842 | #if SHOW_ERROR_LINE |
6233 | #if SHOW_ERROR_LINE |
5843 | SCHEME_V->load_stack[0].rep.stdio.curr_line = 0; |
6234 | SCHEME_V->load_stack[0].rep.stdio.curr_line = 0; |
5844 | |
6235 | |
… | |
… | |
5848 | #endif |
6239 | #endif |
5849 | |
6240 | |
5850 | SCHEME_V->inport = SCHEME_V->loadport; |
6241 | SCHEME_V->inport = SCHEME_V->loadport; |
5851 | SCHEME_V->args = mk_integer (SCHEME_A_ SCHEME_V->file_i); |
6242 | SCHEME_V->args = mk_integer (SCHEME_A_ SCHEME_V->file_i); |
5852 | Eval_Cycle (SCHEME_A_ OP_T0LVL); |
6243 | Eval_Cycle (SCHEME_A_ OP_T0LVL); |
|
|
6244 | |
5853 | set_typeflag (SCHEME_V->loadport, T_ATOM); |
6245 | set_typeflag (SCHEME_V->loadport, T_ATOM); |
5854 | |
6246 | |
5855 | if (SCHEME_V->retcode == 0) |
6247 | if (SCHEME_V->retcode == 0) |
5856 | SCHEME_V->retcode = SCHEME_V->nesting != 0; |
6248 | SCHEME_V->retcode = SCHEME_V->nesting != 0; |
5857 | } |
6249 | } |
5858 | |
6250 | |
5859 | void |
6251 | ecb_cold void |
5860 | scheme_load_string (SCHEME_P_ const char *cmd) |
6252 | scheme_load_string (SCHEME_P_ const char *cmd) |
5861 | { |
6253 | { |
|
|
6254 | #if USE_PORTs |
5862 | dump_stack_reset (SCHEME_A); |
6255 | dump_stack_reset (SCHEME_A); |
5863 | SCHEME_V->envir = SCHEME_V->global_env; |
6256 | SCHEME_V->envir = SCHEME_V->global_env; |
5864 | SCHEME_V->file_i = 0; |
6257 | SCHEME_V->file_i = 0; |
5865 | SCHEME_V->load_stack[0].kind = port_input | port_string; |
6258 | SCHEME_V->load_stack[0].kind = port_input | port_string; |
5866 | SCHEME_V->load_stack[0].rep.string.start = (char *)cmd; /* This func respects const */ |
6259 | SCHEME_V->load_stack[0].rep.string.start = (char *)cmd; /* This func respects const */ |
5867 | SCHEME_V->load_stack[0].rep.string.past_the_end = (char *)cmd + strlen (cmd); |
6260 | SCHEME_V->load_stack[0].rep.string.past_the_end = (char *)cmd + strlen (cmd); |
5868 | SCHEME_V->load_stack[0].rep.string.curr = (char *)cmd; |
6261 | SCHEME_V->load_stack[0].rep.string.curr = (char *)cmd; |
5869 | #if USE_PORTS |
|
|
5870 | SCHEME_V->loadport = mk_port (SCHEME_A_ SCHEME_V->load_stack); |
6262 | SCHEME_V->loadport = mk_port (SCHEME_A_ SCHEME_V->load_stack); |
5871 | #endif |
|
|
5872 | SCHEME_V->retcode = 0; |
6263 | SCHEME_V->retcode = 0; |
5873 | SCHEME_V->interactive_repl = 0; |
6264 | SCHEME_V->interactive_repl = 0; |
5874 | SCHEME_V->inport = SCHEME_V->loadport; |
6265 | SCHEME_V->inport = SCHEME_V->loadport; |
5875 | SCHEME_V->args = mk_integer (SCHEME_A_ SCHEME_V->file_i); |
6266 | SCHEME_V->args = mk_integer (SCHEME_A_ SCHEME_V->file_i); |
5876 | Eval_Cycle (SCHEME_A_ OP_T0LVL); |
6267 | Eval_Cycle (SCHEME_A_ OP_T0LVL); |
5877 | set_typeflag (SCHEME_V->loadport, T_ATOM); |
6268 | set_typeflag (SCHEME_V->loadport, T_ATOM); |
5878 | |
6269 | |
5879 | if (SCHEME_V->retcode == 0) |
6270 | if (SCHEME_V->retcode == 0) |
5880 | SCHEME_V->retcode = SCHEME_V->nesting != 0; |
6271 | SCHEME_V->retcode = SCHEME_V->nesting != 0; |
|
|
6272 | #else |
|
|
6273 | abort (); |
|
|
6274 | #endif |
5881 | } |
6275 | } |
5882 | |
6276 | |
5883 | void |
6277 | ecb_cold void |
5884 | scheme_define (SCHEME_P_ pointer envir, pointer symbol, pointer value) |
6278 | scheme_define (SCHEME_P_ pointer envir, pointer symbol, pointer value) |
5885 | { |
6279 | { |
5886 | pointer x; |
6280 | pointer x; |
5887 | |
6281 | |
5888 | x = find_slot_in_env (SCHEME_A_ envir, symbol, 0); |
6282 | x = find_slot_in_env (SCHEME_A_ envir, symbol, 0); |
… | |
… | |
5893 | new_slot_spec_in_env (SCHEME_A_ envir, symbol, value); |
6287 | new_slot_spec_in_env (SCHEME_A_ envir, symbol, value); |
5894 | } |
6288 | } |
5895 | |
6289 | |
5896 | #if !STANDALONE |
6290 | #if !STANDALONE |
5897 | |
6291 | |
5898 | void |
6292 | ecb_cold void |
5899 | scheme_register_foreign_func (scheme * sc, scheme_registerable * sr) |
6293 | scheme_register_foreign_func (scheme * sc, scheme_registerable * sr) |
5900 | { |
6294 | { |
5901 | scheme_define (SCHEME_A_ SCHEME_V->global_env, mk_symbol (SCHEME_A_ sr->name), mk_foreign_func (SCHEME_A_ sr->f)); |
6295 | scheme_define (SCHEME_A_ SCHEME_V->global_env, mk_symbol (SCHEME_A_ sr->name), mk_foreign_func (SCHEME_A_ sr->f)); |
5902 | } |
6296 | } |
5903 | |
6297 | |
5904 | void |
6298 | ecb_cold void |
5905 | scheme_register_foreign_func_list (scheme * sc, scheme_registerable * list, int count) |
6299 | scheme_register_foreign_func_list (scheme * sc, scheme_registerable * list, int count) |
5906 | { |
6300 | { |
5907 | int i; |
6301 | int i; |
5908 | |
6302 | |
5909 | for (i = 0; i < count; i++) |
6303 | for (i = 0; i < count; i++) |
5910 | scheme_register_foreign_func (SCHEME_A_ list + i); |
6304 | scheme_register_foreign_func (SCHEME_A_ list + i); |
5911 | } |
6305 | } |
5912 | |
6306 | |
5913 | pointer |
6307 | ecb_cold pointer |
5914 | scheme_apply0 (SCHEME_P_ const char *procname) |
6308 | scheme_apply0 (SCHEME_P_ const char *procname) |
5915 | { |
6309 | { |
5916 | return scheme_eval (SCHEME_A_ cons (mk_symbol (SCHEME_A_ procname), NIL)); |
6310 | return scheme_eval (SCHEME_A_ cons (mk_symbol (SCHEME_A_ procname), NIL)); |
5917 | } |
6311 | } |
5918 | |
6312 | |
5919 | void |
6313 | ecb_cold void |
5920 | save_from_C_call (SCHEME_P) |
6314 | save_from_C_call (SCHEME_P) |
5921 | { |
6315 | { |
5922 | pointer saved_data = cons (car (S_SINK), |
6316 | pointer saved_data = cons (car (S_SINK), |
5923 | cons (SCHEME_V->envir, |
6317 | cons (SCHEME_V->envir, |
5924 | SCHEME_V->dump)); |
6318 | SCHEME_V->dump)); |
… | |
… | |
5928 | /* Truncate the dump stack so TS will return here when done, not |
6322 | /* Truncate the dump stack so TS will return here when done, not |
5929 | directly resume pre-C-call operations. */ |
6323 | directly resume pre-C-call operations. */ |
5930 | dump_stack_reset (SCHEME_A); |
6324 | dump_stack_reset (SCHEME_A); |
5931 | } |
6325 | } |
5932 | |
6326 | |
5933 | void |
6327 | ecb_cold void |
5934 | restore_from_C_call (SCHEME_P) |
6328 | restore_from_C_call (SCHEME_P) |
5935 | { |
6329 | { |
5936 | set_car (S_SINK, caar (SCHEME_V->c_nest)); |
6330 | set_car (S_SINK, caar (SCHEME_V->c_nest)); |
5937 | SCHEME_V->envir = cadar (SCHEME_V->c_nest); |
6331 | SCHEME_V->envir = cadar (SCHEME_V->c_nest); |
5938 | SCHEME_V->dump = cdr (cdar (SCHEME_V->c_nest)); |
6332 | SCHEME_V->dump = cdr (cdar (SCHEME_V->c_nest)); |
5939 | /* Pop */ |
6333 | /* Pop */ |
5940 | SCHEME_V->c_nest = cdr (SCHEME_V->c_nest); |
6334 | SCHEME_V->c_nest = cdr (SCHEME_V->c_nest); |
5941 | } |
6335 | } |
5942 | |
6336 | |
5943 | /* "func" and "args" are assumed to be already eval'ed. */ |
6337 | /* "func" and "args" are assumed to be already eval'ed. */ |
5944 | pointer |
6338 | ecb_cold pointer |
5945 | scheme_call (SCHEME_P_ pointer func, pointer args) |
6339 | scheme_call (SCHEME_P_ pointer func, pointer args) |
5946 | { |
6340 | { |
5947 | int old_repl = SCHEME_V->interactive_repl; |
6341 | int old_repl = SCHEME_V->interactive_repl; |
5948 | |
6342 | |
5949 | SCHEME_V->interactive_repl = 0; |
6343 | SCHEME_V->interactive_repl = 0; |
… | |
… | |
5956 | SCHEME_V->interactive_repl = old_repl; |
6350 | SCHEME_V->interactive_repl = old_repl; |
5957 | restore_from_C_call (SCHEME_A); |
6351 | restore_from_C_call (SCHEME_A); |
5958 | return SCHEME_V->value; |
6352 | return SCHEME_V->value; |
5959 | } |
6353 | } |
5960 | |
6354 | |
5961 | pointer |
6355 | ecb_cold pointer |
5962 | scheme_eval (SCHEME_P_ pointer obj) |
6356 | scheme_eval (SCHEME_P_ pointer obj) |
5963 | { |
6357 | { |
5964 | int old_repl = SCHEME_V->interactive_repl; |
6358 | int old_repl = SCHEME_V->interactive_repl; |
5965 | |
6359 | |
5966 | SCHEME_V->interactive_repl = 0; |
6360 | SCHEME_V->interactive_repl = 0; |
… | |
… | |
5978 | |
6372 | |
5979 | /* ========== Main ========== */ |
6373 | /* ========== Main ========== */ |
5980 | |
6374 | |
5981 | #if STANDALONE |
6375 | #if STANDALONE |
5982 | |
6376 | |
5983 | int |
6377 | ecb_cold int |
5984 | main (int argc, char **argv) |
6378 | main (int argc, char **argv) |
5985 | { |
6379 | { |
5986 | # if USE_MULTIPLICITY |
6380 | # if USE_MULTIPLICITY |
5987 | scheme ssc; |
6381 | scheme ssc; |
5988 | scheme *const SCHEME_V = &ssc; |
6382 | scheme *const SCHEME_V = &ssc; |
… | |
… | |
5990 | # endif |
6384 | # endif |
5991 | int fin; |
6385 | int fin; |
5992 | char *file_name = InitFile; |
6386 | char *file_name = InitFile; |
5993 | int retcode; |
6387 | int retcode; |
5994 | int isfile = 1; |
6388 | int isfile = 1; |
|
|
6389 | #if EXPERIMENT |
5995 | system ("ps v $PPID");//D |
6390 | system ("ps v $PPID"); |
|
|
6391 | #endif |
5996 | |
6392 | |
5997 | if (argc == 2 && strcmp (argv[1], "-?") == 0) |
6393 | if (argc == 2 && strcmp (argv[1], "-?") == 0) |
5998 | { |
6394 | { |
5999 | putstr (SCHEME_A_ "Usage: tinyscheme -?\n"); |
6395 | putstr (SCHEME_A_ "Usage: tinyscheme -?\n"); |
6000 | putstr (SCHEME_A_ "or: tinyscheme [<file1> <file2> ...]\n"); |
6396 | putstr (SCHEME_A_ "or: tinyscheme [<file1> <file2> ...]\n"); |
… | |
… | |
6029 | } |
6425 | } |
6030 | #endif |
6426 | #endif |
6031 | |
6427 | |
6032 | do |
6428 | do |
6033 | { |
6429 | { |
6034 | #if USE_PORTS |
|
|
6035 | if (strcmp (file_name, "-") == 0) |
6430 | if (strcmp (file_name, "-") == 0) |
6036 | fin = STDIN_FILENO; |
6431 | fin = STDIN_FILENO; |
6037 | else if (strcmp (file_name, "-1") == 0 || strcmp (file_name, "-c") == 0) |
6432 | else if (strcmp (file_name, "-1") == 0 || strcmp (file_name, "-c") == 0) |
6038 | { |
6433 | { |
6039 | pointer args = NIL; |
6434 | pointer args = NIL; |
… | |
… | |
6057 | scheme_define (SCHEME_A_ SCHEME_V->global_env, mk_symbol (SCHEME_A_ "*args*"), args); |
6452 | scheme_define (SCHEME_A_ SCHEME_V->global_env, mk_symbol (SCHEME_A_ "*args*"), args); |
6058 | |
6453 | |
6059 | } |
6454 | } |
6060 | else |
6455 | else |
6061 | fin = open (file_name, O_RDONLY); |
6456 | fin = open (file_name, O_RDONLY); |
6062 | #endif |
|
|
6063 | |
6457 | |
6064 | if (isfile && fin < 0) |
6458 | if (isfile && fin < 0) |
6065 | { |
6459 | { |
6066 | putstr (SCHEME_A_ "Could not open file "); putstr (SCHEME_A_ file_name); putstr (SCHEME_A_ "\n"); |
6460 | putstr (SCHEME_A_ "Could not open file "); |
|
|
6461 | putstr (SCHEME_A_ file_name); |
|
|
6462 | putcharacter (SCHEME_A_ '\n'); |
6067 | } |
6463 | } |
6068 | else |
6464 | else |
6069 | { |
6465 | { |
6070 | if (isfile) |
6466 | if (isfile) |
6071 | scheme_load_named_file (SCHEME_A_ fin, file_name); |
6467 | scheme_load_named_file (SCHEME_A_ fin, file_name); |
6072 | else |
6468 | else |
6073 | scheme_load_string (SCHEME_A_ file_name); |
6469 | scheme_load_string (SCHEME_A_ file_name); |
6074 | |
6470 | |
6075 | #if USE_PORTS |
|
|
6076 | if (!isfile || fin != STDIN_FILENO) |
6471 | if (!isfile || fin != STDIN_FILENO) |
6077 | { |
6472 | { |
6078 | if (SCHEME_V->retcode != 0) |
6473 | if (SCHEME_V->retcode != 0) |
6079 | { |
6474 | { |
6080 | putstr (SCHEME_A_ "Errors encountered reading "); putstr (SCHEME_A_ file_name); putstr (SCHEME_A_ "\n"); |
6475 | putstr (SCHEME_A_ "Errors encountered reading "); |
|
|
6476 | putstr (SCHEME_A_ file_name); |
|
|
6477 | putcharacter (SCHEME_A_ '\n'); |
6081 | } |
6478 | } |
6082 | |
6479 | |
6083 | if (isfile) |
6480 | if (isfile) |
6084 | close (fin); |
6481 | close (fin); |
6085 | } |
6482 | } |
6086 | #endif |
|
|
6087 | } |
6483 | } |
6088 | |
6484 | |
6089 | file_name = *argv++; |
6485 | file_name = *argv++; |
6090 | } |
6486 | } |
6091 | while (file_name != 0); |
6487 | while (file_name != 0); |