37 |
#include <unistd.h> |
#include <unistd.h> |
38 |
/* EX_NOINPUT, EX_USAGE */ |
/* EX_NOINPUT, EX_USAGE */ |
39 |
#include <sysexits.h> |
#include <sysexits.h> |
40 |
|
/* assert */ |
41 |
|
#include <assert.h> |
42 |
|
|
43 |
#ifdef __linux__ |
#ifdef __linux__ |
44 |
/* mtrace, muntrace */ |
/* mtrace, muntrace */ |
60 |
env->gc_count= 0; |
env->gc_count= 0; |
61 |
env->gc_ref= NULL; |
env->gc_ref= NULL; |
62 |
|
|
63 |
env->head= NULL; |
env->head= new_val(env); |
64 |
|
env->head->type= empty; |
65 |
for(i= 0; i<HASHTBLSIZE; i++) |
for(i= 0; i<HASHTBLSIZE; i++) |
66 |
env->symbols[i]= NULL; |
env->symbols[i]= NULL; |
67 |
env->err= 0; |
env->err= 0; |
79 |
/* Discard the top element of the stack. */ |
/* Discard the top element of the stack. */ |
80 |
extern void toss(environment *env) |
extern void toss(environment *env) |
81 |
{ |
{ |
82 |
if(env->head==NULL) { |
if(env->head->type==empty) { |
83 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
84 |
env->err= 1; |
env->err= 1; |
85 |
return; |
return; |
124 |
stackitem *nitem= malloc(sizeof(stackitem)); |
stackitem *nitem= malloc(sizeof(stackitem)); |
125 |
|
|
126 |
nval->content.ptr= NULL; |
nval->content.ptr= NULL; |
127 |
|
nval->type= integer; |
128 |
|
|
129 |
nitem->item= nval; |
nitem->item= nval; |
130 |
nitem->next= env->gc_ref; |
nitem->next= env->gc_ref; |
189 |
if(env->interactive) |
if(env->interactive) |
190 |
printf("."); |
printf("."); |
191 |
|
|
|
|
|
192 |
env->gc_count= 0; |
env->gc_count= 0; |
193 |
|
|
194 |
while(env->gc_ref!=NULL) { /* Sweep unused values */ |
while(env->gc_ref!=NULL) { /* Sweep unused values */ |
203 |
free(env->gc_ref); /* Remove value */ |
free(env->gc_ref); /* Remove value */ |
204 |
env->gc_ref= titem; |
env->gc_ref= titem; |
205 |
continue; |
continue; |
206 |
} |
} |
207 |
|
#ifdef DEBUG |
208 |
|
printf("Kept value (%p)", env->gc_ref->item); |
209 |
|
if(env->gc_ref->item->gc.flag.mark) |
210 |
|
printf(" (marked)"); |
211 |
|
if(env->gc_ref->item->gc.flag.protect) |
212 |
|
printf(" (protected)"); |
213 |
|
switch(env->gc_ref->item->type){ |
214 |
|
case integer: |
215 |
|
printf(" integer: %d", env->gc_ref->item->content.i); |
216 |
|
break; |
217 |
|
case func: |
218 |
|
printf(" func: %p", env->gc_ref->item->content.ptr); |
219 |
|
break; |
220 |
|
case symb: |
221 |
|
printf(" symb: %s", env->gc_ref->item->content.sym->id); |
222 |
|
break; |
223 |
|
case tcons: |
224 |
|
printf(" tcons: %p\t%p", env->gc_ref->item->content.c->car, |
225 |
|
env->gc_ref->item->content.c->cdr); |
226 |
|
break; |
227 |
|
default: |
228 |
|
printf(" <unknown %d>", (env->gc_ref->item->type)); |
229 |
|
} |
230 |
|
printf("\n"); |
231 |
|
#endif /* DEBUG */ |
232 |
|
|
233 |
/* Keep values */ |
/* Keep values */ |
234 |
env->gc_count += sizeof(value); |
env->gc_count += sizeof(value); |
248 |
env->gc_ref= new_head; |
env->gc_ref= new_head; |
249 |
|
|
250 |
if(env->interactive) |
if(env->interactive) |
251 |
printf("done\n"); |
printf("done (%d bytes still allocated)\n", env->gc_count); |
252 |
|
|
253 |
} |
} |
254 |
|
|
286 |
value *new_value= new_val(env); |
value *new_value= new_val(env); |
287 |
|
|
288 |
new_value->content.c= malloc(sizeof(cons)); |
new_value->content.c= malloc(sizeof(cons)); |
289 |
|
assert(new_value->content.c!=NULL); |
290 |
new_value->type= tcons; |
new_value->type= tcons; |
291 |
CAR(new_value)= val; |
CAR(new_value)= val; |
292 |
CDR(new_value)= env->head; |
CDR(new_value)= env->head; |
353 |
{ |
{ |
354 |
char *new_string; |
char *new_string; |
355 |
|
|
356 |
if(env->head==NULL) { |
if(env->head->type==empty) { |
357 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
358 |
env->err= 1; |
env->err= 1; |
359 |
return; |
return; |
450 |
/* Gets the type of a value */ |
/* Gets the type of a value */ |
451 |
extern void type(environment *env) |
extern void type(environment *env) |
452 |
{ |
{ |
453 |
int typenum; |
if(env->head->type==empty) { |
|
|
|
|
if(env->head==NULL) { |
|
454 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
455 |
env->err= 1; |
env->err= 1; |
456 |
return; |
return; |
457 |
} |
} |
458 |
|
|
459 |
typenum= CAR(env->head)->type; |
switch(CAR(env->head)->type){ |
460 |
toss(env); |
case empty: |
461 |
switch(typenum){ |
push_sym(env, "empty"); |
462 |
|
break; |
463 |
case integer: |
case integer: |
464 |
push_sym(env, "integer"); |
push_sym(env, "integer"); |
465 |
break; |
break; |
479 |
push_sym(env, "list"); |
push_sym(env, "list"); |
480 |
break; |
break; |
481 |
} |
} |
482 |
|
swap(env); |
483 |
|
if (env->err) return; |
484 |
|
toss(env); |
485 |
} |
} |
486 |
|
|
487 |
/* Prints the top element of the stack. */ |
/* Prints the top element of the stack. */ |
488 |
void print_h(value *stack_head, int noquote) |
void print_h(value *stack_head, int noquote) |
489 |
{ |
{ |
490 |
switch(CAR(stack_head)->type) { |
switch(CAR(stack_head)->type) { |
491 |
|
case empty: |
492 |
|
printf("[]"); |
493 |
|
break; |
494 |
case integer: |
case integer: |
495 |
printf("%d", CAR(stack_head)->content.i); |
printf("%d", CAR(stack_head)->content.i); |
496 |
break; |
break; |
499 |
break; |
break; |
500 |
case string: |
case string: |
501 |
if(noquote) |
if(noquote) |
502 |
printf("%s", (char*)CAR(stack_head)->content.ptr); |
printf("%s", (char*)(CAR(stack_head)->content.ptr)); |
503 |
else |
else |
504 |
printf("\"%s\"", (char*)CAR(stack_head)->content.ptr); |
printf("\"%s\"", (char*)(CAR(stack_head)->content.ptr)); |
505 |
break; |
break; |
506 |
case symb: |
case symb: |
507 |
printf("%s", CAR(stack_head)->content.sym->id); |
printf("%s", CAR(stack_head)->content.sym->id); |
513 |
/* A list is just a stack, so make stack_head point to it */ |
/* A list is just a stack, so make stack_head point to it */ |
514 |
stack_head= CAR(stack_head); |
stack_head= CAR(stack_head); |
515 |
printf("[ "); |
printf("[ "); |
516 |
while(stack_head != NULL) { |
while(stack_head->type != empty) { |
517 |
print_h(stack_head, noquote); |
print_h(stack_head, noquote); |
518 |
printf(" "); |
switch(CDR(stack_head)->type){ |
519 |
|
case empty: |
520 |
|
break; |
521 |
|
case tcons: |
522 |
|
printf(" "); |
523 |
|
break; |
524 |
|
default: |
525 |
|
printf(" . "); /* Improper list */ |
526 |
|
} |
527 |
stack_head= CDR(stack_head); |
stack_head= CDR(stack_head); |
528 |
} |
} |
529 |
printf("]"); |
printf(" ]"); |
530 |
break; |
break; |
531 |
} |
} |
532 |
} |
} |
533 |
|
|
534 |
extern void print_(environment *env) |
extern void print_(environment *env) |
535 |
{ |
{ |
536 |
if(env->head==NULL) { |
if(env->head->type==empty) { |
537 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
538 |
env->err= 1; |
env->err= 1; |
539 |
return; |
return; |
552 |
|
|
553 |
extern void princ_(environment *env) |
extern void princ_(environment *env) |
554 |
{ |
{ |
555 |
if(env->head==NULL) { |
if(env->head->type==empty) { |
556 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
557 |
env->err= 1; |
env->err= 1; |
558 |
return; |
return; |
571 |
/* Only to be called by function printstack. */ |
/* Only to be called by function printstack. */ |
572 |
void print_st(value *stack_head, long counter) |
void print_st(value *stack_head, long counter) |
573 |
{ |
{ |
574 |
if(CDR(stack_head) != NULL) |
if(CDR(stack_head)->type != empty) |
575 |
print_st(CDR(stack_head), counter+1); |
print_st(CDR(stack_head), counter+1); |
576 |
printf("%ld: ", counter); |
printf("%ld: ", counter); |
577 |
print_h(stack_head, 0); |
print_h(stack_head, 0); |
581 |
/* Prints the stack. */ |
/* Prints the stack. */ |
582 |
extern void printstack(environment *env) |
extern void printstack(environment *env) |
583 |
{ |
{ |
584 |
if(env->head == NULL) { |
if(env->head->type == empty) { |
585 |
printf("Stack Empty\n"); |
printf("Stack Empty\n"); |
586 |
return; |
return; |
587 |
} |
} |
594 |
{ |
{ |
595 |
value *temp= env->head; |
value *temp= env->head; |
596 |
|
|
597 |
if(env->head==NULL || CDR(env->head)==NULL) { |
if(env->head->type == empty || CDR(env->head)->type == empty) { |
598 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
599 |
env->err=1; |
env->err=1; |
600 |
return; |
return; |
610 |
{ |
{ |
611 |
value *temp= env->head; |
value *temp= env->head; |
612 |
|
|
613 |
if(env->head==NULL || CDR(env->head)==NULL |
if(env->head->type == empty || CDR(env->head)->type == empty |
614 |
|| CDR(CDR(env->head))==NULL) { |
|| CDR(CDR(env->head))->type == empty) { |
615 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
616 |
env->err= 1; |
env->err= 1; |
617 |
return; |
return; |
627 |
{ |
{ |
628 |
value *val; |
value *val; |
629 |
|
|
630 |
if(env->head==NULL) { |
if(env->head->type==empty) { |
631 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
632 |
env->err= 1; |
env->err= 1; |
633 |
return; |
return; |
645 |
env->err= 3; |
env->err= 3; |
646 |
return; |
return; |
647 |
} |
} |
648 |
protect(val); |
push_val(env, val); /* Return the symbol's bound value */ |
649 |
toss(env); /* toss the symbol */ |
swap(env); |
650 |
|
if(env->err) return; |
651 |
|
toss(env); /* toss the symbol */ |
652 |
if(env->err) return; |
if(env->err) return; |
|
push_val(env, val); /* Return its bound value */ |
|
|
unprotect(val); |
|
653 |
} |
} |
654 |
|
|
655 |
/* If the top element is a symbol, determine if it's bound to a |
/* If the top element is a symbol, determine if it's bound to a |
665 |
|
|
666 |
gc_maybe(env); |
gc_maybe(env); |
667 |
|
|
668 |
if(env->head==NULL) { |
if(env->head->type==empty) { |
669 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
670 |
env->err= 1; |
env->err= 1; |
671 |
return; |
return; |
696 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
697 |
iterator= temp_val; |
iterator= temp_val; |
698 |
|
|
699 |
while(iterator!=NULL) { |
while(iterator->type != empty) { |
700 |
push_val(env, CAR(iterator)); |
push_val(env, CAR(iterator)); |
701 |
|
|
702 |
if(CAR(env->head)->type==symb |
if(CAR(env->head)->type==symb |
704 |
toss(env); |
toss(env); |
705 |
if(env->err) return; |
if(env->err) return; |
706 |
|
|
707 |
if(CDR(iterator)==NULL){ |
if(CDR(iterator)->type == empty){ |
708 |
goto eval_start; |
goto eval_start; |
709 |
} |
} |
710 |
eval(env); |
eval(env); |
711 |
if(env->err) return; |
if(env->err) return; |
712 |
} |
} |
713 |
if (CDR(iterator)->type == tcons) |
if (CDR(iterator)->type == empty || CDR(iterator)->type == tcons) |
714 |
iterator= CDR(iterator); |
iterator= CDR(iterator); |
715 |
else { |
else { |
716 |
printerr("Bad Argument Type"); /* Improper list */ |
printerr("Bad Argument Type"); /* Improper list */ |
731 |
{ |
{ |
732 |
value *old_head, *new_head, *item; |
value *old_head, *new_head, *item; |
733 |
|
|
734 |
if(env->head==NULL) { |
if(env->head->type==empty) { |
735 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
736 |
env->err= 1; |
env->err= 1; |
737 |
return; |
return; |
738 |
} |
} |
739 |
|
|
740 |
|
if(CAR(env->head)->type==empty) |
741 |
|
return; /* Don't reverse an empty list */ |
742 |
|
|
743 |
if(CAR(env->head)->type!=tcons) { |
if(CAR(env->head)->type!=tcons) { |
744 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
745 |
env->err= 2; |
env->err= 2; |
747 |
} |
} |
748 |
|
|
749 |
old_head= CAR(env->head); |
old_head= CAR(env->head); |
750 |
new_head= NULL; |
new_head= new_val(env); |
751 |
while(old_head!=NULL) { |
new_head->type= empty; |
752 |
|
while(old_head->type != empty) { |
753 |
item= old_head; |
item= old_head; |
754 |
old_head= CDR(old_head); |
old_head= CDR(old_head); |
755 |
CDR(item)= new_head; |
CDR(item)= new_head; |
761 |
/* Make a list. */ |
/* Make a list. */ |
762 |
extern void pack(environment *env) |
extern void pack(environment *env) |
763 |
{ |
{ |
764 |
value *iterator, *temp; |
value *iterator, *temp, *ending; |
765 |
|
|
766 |
|
ending=new_val(env); |
767 |
|
ending->type=empty; |
768 |
|
|
769 |
iterator= env->head; |
iterator= env->head; |
770 |
if(iterator==NULL |
if(iterator->type == empty |
771 |
|| (CAR(iterator)->type==symb |
|| (CAR(iterator)->type==symb |
772 |
&& CAR(iterator)->content.sym->id[0]=='[')) { |
&& CAR(iterator)->content.sym->id[0]=='[')) { |
773 |
temp= NULL; |
temp= ending; |
774 |
toss(env); |
toss(env); |
775 |
} else { |
} else { |
776 |
/* Search for first delimiter */ |
/* Search for first delimiter */ |
777 |
while(CDR(iterator)!=NULL |
while(CDR(iterator)->type != empty |
778 |
&& (CAR(CDR(iterator))->type!=symb |
&& (CAR(CDR(iterator))->type!=symb |
779 |
|| CAR(CDR(iterator))->content.sym->id[0]!='[')) |
|| CAR(CDR(iterator))->content.sym->id[0]!='[')) |
780 |
iterator= CDR(iterator); |
iterator= CDR(iterator); |
782 |
/* Extract list */ |
/* Extract list */ |
783 |
temp= env->head; |
temp= env->head; |
784 |
env->head= CDR(iterator); |
env->head= CDR(iterator); |
785 |
CDR(iterator)= NULL; |
CDR(iterator)= ending; |
786 |
|
|
787 |
if(env->head!=NULL) |
if(env->head->type != empty) |
788 |
toss(env); |
toss(env); |
789 |
} |
} |
790 |
|
|
800 |
value *temp, *new_head; |
value *temp, *new_head; |
801 |
|
|
802 |
/* Is top element a list? */ |
/* Is top element a list? */ |
803 |
if(env->head==NULL) { |
if(env->head->type==empty) { |
804 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
805 |
env->err= 1; |
env->err= 1; |
806 |
return; |
return; |
823 |
toss(env); |
toss(env); |
824 |
|
|
825 |
/* Find the end of the list */ |
/* Find the end of the list */ |
826 |
while(CDR(temp)->content.ptr != NULL) { |
while(CDR(temp)->type != empty) { |
827 |
if (CDR(temp)->type == tcons) |
if (CDR(temp)->type == tcons) |
828 |
temp= CDR(temp); |
temp= CDR(temp); |
829 |
else { |
else { |
844 |
{ |
{ |
845 |
void *left, *right; |
void *left, *right; |
846 |
|
|
847 |
if(env->head==NULL || CDR(env->head)==NULL) { |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
848 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
849 |
env->err= 1; |
env->err= 1; |
850 |
return; |
return; |
862 |
{ |
{ |
863 |
int val; |
int val; |
864 |
|
|
865 |
if(env->head==NULL) { |
if(env->head->type==empty) { |
866 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
867 |
env->err= 1; |
env->err= 1; |
868 |
return; |
return; |
893 |
symbol *sym; |
symbol *sym; |
894 |
|
|
895 |
/* Needs two values on the stack, the top one must be a symbol */ |
/* Needs two values on the stack, the top one must be a symbol */ |
896 |
if(env->head==NULL || CDR(env->head)==NULL) { |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
897 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
898 |
env->err= 1; |
env->err= 1; |
899 |
return; |
return; |
932 |
env->gc_limit= 0; |
env->gc_limit= 0; |
933 |
gc_maybe(env); |
gc_maybe(env); |
934 |
|
|
935 |
|
words(env); |
936 |
|
|
937 |
if(env->free_string!=NULL) |
if(env->free_string!=NULL) |
938 |
free(env->free_string); |
free(env->free_string); |
939 |
|
|
947 |
/* Clear stack */ |
/* Clear stack */ |
948 |
extern void clear(environment *env) |
extern void clear(environment *env) |
949 |
{ |
{ |
950 |
while(env->head!=NULL) |
while(env->head->type != empty) |
951 |
toss(env); |
toss(env); |
952 |
} |
} |
953 |
|
|
960 |
for(i= 0; i<HASHTBLSIZE; i++) { |
for(i= 0; i<HASHTBLSIZE; i++) { |
961 |
temp= env->symbols[i]; |
temp= env->symbols[i]; |
962 |
while(temp!=NULL) { |
while(temp!=NULL) { |
963 |
|
#ifdef DEBUG |
964 |
|
if (temp->val != NULL && temp->val->gc.flag.protect) |
965 |
|
printf("(protected) "); |
966 |
|
#endif /* DEBUG */ |
967 |
printf("%s\n", temp->id); |
printf("%s\n", temp->id); |
968 |
temp= temp->next; |
temp= temp->next; |
969 |
} |
} |
986 |
extern void forget(environment *env) |
extern void forget(environment *env) |
987 |
{ |
{ |
988 |
char* sym_id; |
char* sym_id; |
|
value *stack_head= env->head; |
|
989 |
|
|
990 |
if(stack_head==NULL) { |
if(env->head->type==empty) { |
991 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
992 |
env->err= 1; |
env->err= 1; |
993 |
return; |
return; |
994 |
} |
} |
995 |
|
|
996 |
if(CAR(stack_head)->type!=symb) { |
if(CAR(env->head)->type!=symb) { |
997 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
998 |
env->err= 2; |
env->err= 2; |
999 |
return; |
return; |
1000 |
} |
} |
1001 |
|
|
1002 |
sym_id= CAR(stack_head)->content.sym->id; |
sym_id= CAR(env->head)->content.sym->id; |
1003 |
toss(env); |
toss(env); |
1004 |
|
|
1005 |
return forget_sym(hash(env->symbols, sym_id)); |
return forget_sym(hash(env->symbols, sym_id)); |
1033 |
break; |
break; |
1034 |
case '?': |
case '?': |
1035 |
fprintf (stderr, |
fprintf (stderr, |
1036 |
"Unknown option character `\\x%x'.\n", |
"Unknown option character '\\x%x'.\n", |
1037 |
optopt); |
optopt); |
1038 |
return EX_USAGE; |
return EX_USAGE; |
1039 |
default: |
default: |
1052 |
if(myenv.interactive) { |
if(myenv.interactive) { |
1053 |
printf("Stack version $Revision$\n\ |
printf("Stack version $Revision$\n\ |
1054 |
Copyright (C) 2002 Mats Alritzson and Teddy Hogeborn\n\ |
Copyright (C) 2002 Mats Alritzson and Teddy Hogeborn\n\ |
1055 |
Stack comes with ABSOLUTELY NO WARRANTY; for details type `warranty;'.\n\ |
Stack comes with ABSOLUTELY NO WARRANTY; for details type 'warranty;'.\n\ |
1056 |
This is free software, and you are welcome to redistribute it\n\ |
This is free software, and you are welcome to redistribute it\n\ |
1057 |
under certain conditions; type `copying;' for details.\n"); |
under certain conditions; type 'copying;' for details.\n"); |
1058 |
} |
} |
1059 |
|
|
1060 |
while(1) { |
while(1) { |
1069 |
} |
} |
1070 |
myenv.err=0; |
myenv.err=0; |
1071 |
} |
} |
1072 |
sx_72656164(&myenv); |
sx_72656164(&myenv); /* "read" */ |
1073 |
if (myenv.err==4) { |
if (myenv.err==4) { /* EOF */ |
1074 |
return EXIT_SUCCESS; /* EOF */ |
myenv.err=0; |
1075 |
} else if(myenv.head!=NULL |
quit(&myenv); |
1076 |
|
} else if(myenv.head->type!=empty |
1077 |
&& CAR(myenv.head)->type==symb |
&& CAR(myenv.head)->type==symb |
1078 |
&& CAR(myenv.head)->content.sym->id[0] |
&& CAR(myenv.head)->content.sym->id[0] |
1079 |
==';') { |
==';') { |
1095 |
char* new_string; |
char* new_string; |
1096 |
value *a_val, *b_val; |
value *a_val, *b_val; |
1097 |
|
|
1098 |
if(env->head==NULL || CDR(env->head)==NULL) { |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
1099 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1100 |
env->err= 1; |
env->err= 1; |
1101 |
return; |
return; |
1173 |
int a, b; |
int a, b; |
1174 |
float fa, fb; |
float fa, fb; |
1175 |
|
|
1176 |
if(env->head==NULL || CDR(env->head)==NULL) { |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
1177 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1178 |
env->err=1; |
env->err=1; |
1179 |
return; |
return; |
1233 |
int a, b; |
int a, b; |
1234 |
float fa, fb; |
float fa, fb; |
1235 |
|
|
1236 |
if(env->head==NULL || CDR(env->head)==NULL) { |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
1237 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1238 |
env->err= 1; |
env->err= 1; |
1239 |
return; |
return; |
1318 |
|
|
1319 |
protect(old_value); |
protect(old_value); |
1320 |
new_value= new_val(env); |
new_value= new_val(env); |
|
protect(new_value); |
|
1321 |
new_value->type= old_value->type; |
new_value->type= old_value->type; |
1322 |
|
|
1323 |
switch(old_value->type){ |
switch(old_value->type){ |
1332 |
strdup((char *)(old_value->content.ptr)); |
strdup((char *)(old_value->content.ptr)); |
1333 |
break; |
break; |
1334 |
case tcons: |
case tcons: |
|
new_value= NULL; |
|
1335 |
|
|
1336 |
new_value->content.c= malloc(sizeof(cons)); |
new_value->content.c= malloc(sizeof(cons)); |
1337 |
|
assert(new_value->content.c!=NULL); |
1338 |
|
|
1339 |
CAR(new_value)= copy_val(env, CAR(old_value)); /* recurse */ |
CAR(new_value)= copy_val(env, CAR(old_value)); /* recurse */ |
1340 |
CDR(new_value)= copy_val(env, CDR(old_value)); /* recurse */ |
CDR(new_value)= copy_val(env, CDR(old_value)); /* recurse */ |
1341 |
break; |
break; |
1342 |
} |
} |
1343 |
|
|
1344 |
unprotect(old_value); unprotect(new_value); |
unprotect(old_value); |
1345 |
|
|
1346 |
return new_value; |
return new_value; |
1347 |
} |
} |
1349 |
/* "dup"; duplicates an item on the stack */ |
/* "dup"; duplicates an item on the stack */ |
1350 |
extern void sx_647570(environment *env) |
extern void sx_647570(environment *env) |
1351 |
{ |
{ |
1352 |
if(env->head==NULL) { |
if(env->head->type==empty) { |
1353 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1354 |
env->err= 1; |
env->err= 1; |
1355 |
return; |
return; |
1362 |
{ |
{ |
1363 |
int truth; |
int truth; |
1364 |
|
|
1365 |
if(env->head==NULL || CDR(env->head)==NULL) { |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
1366 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1367 |
env->err= 1; |
env->err= 1; |
1368 |
return; |
return; |
1393 |
{ |
{ |
1394 |
int truth; |
int truth; |
1395 |
|
|
1396 |
if(env->head==NULL || CDR(env->head)==NULL |
if(env->head->type==empty || CDR(env->head)->type==empty |
1397 |
|| CDR(CDR(env->head))==NULL) { |
|| CDR(CDR(env->head))->type==empty) { |
1398 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1399 |
env->err= 1; |
env->err= 1; |
1400 |
return; |
return; |
1426 |
|
|
1427 |
extern void sx_656c7365(environment *env) |
extern void sx_656c7365(environment *env) |
1428 |
{ |
{ |
1429 |
if(env->head==NULL || CDR(env->head)==NULL |
if(env->head->type==empty || CDR(env->head)->type==empty |
1430 |
|| CDR(CDR(env->head))==NULL || CDR(CDR(CDR(env->head)))==NULL) { |
|| CDR(CDR(env->head))->type==empty || CDR(CDR(CDR(env->head)))->type==empty |
1431 |
|
|| CDR(CDR(CDR(CDR(env->head))))->type==empty) { |
1432 |
|
printerr("Too Few Arguments"); |
1433 |
|
env->err= 1; |
1434 |
|
return; |
1435 |
|
} |
1436 |
|
|
1437 |
|
if(CAR(CDR(env->head))->type!=symb |
1438 |
|
|| strcmp(CAR(CDR(env->head))->content.sym->id, "then")!=0 |
1439 |
|
|| CAR(CDR(CDR(CDR(env->head))))->type!=symb |
1440 |
|
|| strcmp(CAR(CDR(CDR(CDR(env->head))))->content.sym->id, "if")!=0) { |
1441 |
|
printerr("Bad Argument Type"); |
1442 |
|
env->err= 2; |
1443 |
|
return; |
1444 |
|
} |
1445 |
|
|
1446 |
|
swap(env); toss(env); rot(env); toss(env); |
1447 |
|
ifelse(env); |
1448 |
|
} |
1449 |
|
|
1450 |
|
extern void then(environment *env) |
1451 |
|
{ |
1452 |
|
if(env->head->type==empty || CDR(env->head)->type==empty |
1453 |
|
|| CDR(CDR(env->head))->type==empty) { |
1454 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1455 |
env->err= 1; |
env->err= 1; |
1456 |
return; |
return; |
1464 |
} |
} |
1465 |
|
|
1466 |
swap(env); toss(env); |
swap(env); toss(env); |
1467 |
ifelse(env); |
sx_6966(env); |
1468 |
} |
} |
1469 |
|
|
1470 |
/* "while" */ |
/* "while" */ |
1473 |
int truth; |
int truth; |
1474 |
value *loop, *test; |
value *loop, *test; |
1475 |
|
|
1476 |
if(env->head==NULL || CDR(env->head)==NULL) { |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
1477 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1478 |
env->err= 1; |
env->err= 1; |
1479 |
return; |
return; |
1519 |
value *loop; |
value *loop; |
1520 |
int foo1, foo2; |
int foo1, foo2; |
1521 |
|
|
1522 |
if(env->head==NULL || CDR(env->head)==NULL |
if(env->head->type==empty || CDR(env->head)->type==empty |
1523 |
|| CDR(CDR(env->head))==NULL) { |
|| CDR(CDR(env->head))->type==empty) { |
1524 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1525 |
env->err= 1; |
env->err= 1; |
1526 |
return; |
return; |
1567 |
value *loop, *foo; |
value *loop, *foo; |
1568 |
value *iterator; |
value *iterator; |
1569 |
|
|
1570 |
if(env->head==NULL || CDR(env->head)==NULL) { |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
1571 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1572 |
env->err= 1; |
env->err= 1; |
1573 |
return; |
return; |
1610 |
int ending, start, i; |
int ending, start, i; |
1611 |
value *iterator, *temp; |
value *iterator, *temp; |
1612 |
|
|
1613 |
if(env->head==NULL || CDR(env->head)==NULL) { |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
1614 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1615 |
env->err= 1; |
env->err= 1; |
1616 |
return; |
return; |
1640 |
|
|
1641 |
iterator= env->head; |
iterator= env->head; |
1642 |
|
|
1643 |
if(iterator==NULL |
if(iterator->type==empty |
1644 |
|| (CAR(iterator)->type==symb |
|| (CAR(iterator)->type==symb |
1645 |
&& CAR(iterator)->content.sym->id[0]=='[')) { |
&& CAR(iterator)->content.sym->id[0]=='[')) { |
1646 |
temp= NULL; |
temp= NULL; |
1762 |
{ |
{ |
1763 |
int freq, dur, period, ticks; |
int freq, dur, period, ticks; |
1764 |
|
|
1765 |
if(env->head==NULL || CDR(env->head)==NULL) { |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
1766 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1767 |
env->err= 1; |
env->err= 1; |
1768 |
return; |
return; |
1807 |
{ |
{ |
1808 |
int dur; |
int dur; |
1809 |
|
|
1810 |
if(env->head==NULL) { |
if(env->head->type==empty) { |
1811 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1812 |
env->err= 1; |
env->err= 1; |
1813 |
return; |
return; |
1827 |
|
|
1828 |
extern void copying(environment *env) |
extern void copying(environment *env) |
1829 |
{ |
{ |
1830 |
printf("GNU GENERAL PUBLIC LICENSE\n\ |
printf(" GNU GENERAL PUBLIC LICENSE\n\ |
1831 |
Version 2, June 1991\n\ |
Version 2, June 1991\n\ |
1832 |
\n\ |
\n\ |
1833 |
Copyright (C) 1989, 1991 Free Software Foundation, Inc.\n\ |
Copyright (C) 1989, 1991 Free Software Foundation, Inc.\n\ |
2116 |
int a, b; |
int a, b; |
2117 |
float fa, fb; |
float fa, fb; |
2118 |
|
|
2119 |
if(env->head==NULL || CDR(env->head)==NULL) { |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
2120 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
2121 |
env->err= 1; |
env->err= 1; |
2122 |
return; |
return; |
2176 |
int a, b; |
int a, b; |
2177 |
float fa, fb; |
float fa, fb; |
2178 |
|
|
2179 |
if(env->head==NULL || CDR(env->head)==NULL) { |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
2180 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
2181 |
env->err= 1; |
env->err= 1; |
2182 |
return; |
return; |
2235 |
{ |
{ |
2236 |
int a, b; |
int a, b; |
2237 |
|
|
2238 |
if(env->head==NULL || CDR(env->head)==NULL) { |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
2239 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
2240 |
env->err= 1; |
env->err= 1; |
2241 |
return; |
return; |
2261 |
{ |
{ |
2262 |
int a, b; |
int a, b; |
2263 |
|
|
2264 |
if(env->head==NULL || CDR(env->head)==NULL) { |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
2265 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
2266 |
env->err= 1; |
env->err= 1; |
2267 |
return; |
return; |