20 |
Teddy Hogeborn <teddy@fukt.bth.se> |
Teddy Hogeborn <teddy@fukt.bth.se> |
21 |
*/ |
*/ |
22 |
|
|
23 |
|
#define CAR(X) X->content.c->car |
24 |
|
#define CDR(X) X->content.c->cdr |
25 |
|
|
26 |
/* printf, sscanf, fgets, fprintf, fopen, perror */ |
/* printf, sscanf, fgets, fprintf, fopen, perror */ |
27 |
#include <stdio.h> |
#include <stdio.h> |
28 |
/* exit, EXIT_SUCCESS, malloc, free */ |
/* exit, EXIT_SUCCESS, malloc, free */ |
73 |
/* Discard the top element of the stack. */ |
/* Discard the top element of the stack. */ |
74 |
extern void toss(environment *env) |
extern void toss(environment *env) |
75 |
{ |
{ |
|
cons *temp= env->head; |
|
|
|
|
76 |
if(env->head==NULL) { |
if(env->head==NULL) { |
77 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
78 |
env->err= 1; |
env->err= 1; |
79 |
return; |
return; |
80 |
} |
} |
81 |
|
|
82 |
env->head= env->head->cdr->content.c; /* Remove the top stack item */ |
env->head= CDR(env->head); /* Remove the top stack item */ |
|
free(temp); /* Free the old top stack item */ |
|
83 |
} |
} |
84 |
|
|
85 |
/* Returns a pointer to a pointer to an element in the hash table. */ |
/* Returns a pointer to a pointer to an element in the hash table. */ |
140 |
|
|
141 |
val->gc.flag.mark= 1; |
val->gc.flag.mark= 1; |
142 |
|
|
143 |
if(val->type==tcons && val->content.c!=NULL) { |
if(val->type==tcons) { |
144 |
gc_mark(val->content.c->car); |
gc_mark(CAR(val)); |
145 |
gc_mark(val->content.c->cdr); |
gc_mark(CDR(val)); |
146 |
} |
} |
147 |
} |
} |
148 |
|
|
166 |
printf("Garbage collecting."); |
printf("Garbage collecting."); |
167 |
|
|
168 |
/* Mark values on stack */ |
/* Mark values on stack */ |
169 |
if(env->head!=NULL) { |
gc_mark(env->head); |
|
gc_mark(env->head->car); |
|
|
gc_mark(env->head->cdr); |
|
|
} |
|
170 |
|
|
171 |
if(env->interactive) |
if(env->interactive) |
172 |
printf("."); |
printf("."); |
229 |
|
|
230 |
val->gc.flag.protect= 1; |
val->gc.flag.protect= 1; |
231 |
|
|
232 |
if(val->type==tcons && val->content.c!=NULL) { |
if(val->type==tcons) { |
233 |
protect(val->content.c->car); |
protect(CAR(val)); |
234 |
protect(val->content.c->cdr); |
protect(CDR(val)); |
235 |
} |
} |
236 |
} |
} |
237 |
|
|
243 |
|
|
244 |
val->gc.flag.protect= 0; |
val->gc.flag.protect= 0; |
245 |
|
|
246 |
if(val->type==tcons && val->content.c!=NULL) { |
if(val->type==tcons) { |
247 |
unprotect(val->content.c->car); |
unprotect(CAR(val)); |
248 |
unprotect(val->content.c->cdr); |
unprotect(CDR(val)); |
249 |
} |
} |
250 |
} |
} |
251 |
|
|
252 |
/* Push a value onto the stack */ |
/* Push a value onto the stack */ |
253 |
void push_val(environment *env, value *val) |
void push_val(environment *env, value *val) |
254 |
{ |
{ |
255 |
cons *new_item= malloc(sizeof(cons)); |
value *new_value= new_val(env); |
|
new_item->car= val; |
|
256 |
|
|
257 |
new_item->cdr= new_val(env); |
new_value->content.c= malloc(sizeof(cons)); |
258 |
new_item->cdr->type= tcons; |
new_value->type= tcons; |
259 |
new_item->cdr->content.c= env->head; |
CAR(new_value)= val; |
260 |
env->head= new_item; |
CDR(new_value)= env->head; |
261 |
|
env->head= new_value; |
262 |
} |
} |
263 |
|
|
264 |
/* Push an integer onto the stack */ |
/* Push an integer onto the stack */ |
321 |
{ |
{ |
322 |
char *new_string; |
char *new_string; |
323 |
|
|
324 |
if((env->head)==NULL) { |
if(env->head==NULL) { |
325 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
326 |
env->err= 1; |
env->err= 1; |
327 |
return; |
return; |
328 |
} |
} |
329 |
|
|
330 |
if(env->head->car->type!=string) { |
if(CAR(env->head)->type!=string) { |
331 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
332 |
env->err= 2; |
env->err= 2; |
333 |
return; |
return; |
334 |
} |
} |
335 |
|
|
336 |
new_string= mangle_str((const char *)(env->head->car->content.ptr)); |
new_string= |
337 |
|
mangle_str((const char *)(CAR(env->head)->content.ptr)); |
338 |
|
|
339 |
toss(env); |
toss(env); |
340 |
if(env->err) return; |
if(env->err) return; |
420 |
{ |
{ |
421 |
int typenum; |
int typenum; |
422 |
|
|
423 |
if((env->head)==NULL) { |
if(env->head==NULL) { |
424 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
425 |
env->err=1; |
env->err= 1; |
426 |
return; |
return; |
427 |
} |
} |
428 |
typenum=env->head->car->type; |
|
429 |
|
typenum= CAR(env->head)->type; |
430 |
toss(env); |
toss(env); |
431 |
switch(typenum){ |
switch(typenum){ |
432 |
case integer: |
case integer: |
451 |
} |
} |
452 |
|
|
453 |
/* Prints the top element of the stack. */ |
/* Prints the top element of the stack. */ |
454 |
void print_h(cons *stack_head, int noquote) |
void print_h(value *stack_head, int noquote) |
455 |
{ |
{ |
456 |
switch(stack_head->car->type) { |
switch(CAR(stack_head)->type) { |
457 |
case integer: |
case integer: |
458 |
printf("%d", stack_head->car->content.i); |
printf("%d", CAR(stack_head)->content.i); |
459 |
break; |
break; |
460 |
case tfloat: |
case tfloat: |
461 |
printf("%f", stack_head->car->content.f); |
printf("%f", CAR(stack_head)->content.f); |
462 |
break; |
break; |
463 |
case string: |
case string: |
464 |
if(noquote) |
if(noquote) |
465 |
printf("%s", (char*)stack_head->car->content.ptr); |
printf("%s", (char*)CAR(stack_head)->content.ptr); |
466 |
else |
else |
467 |
printf("\"%s\"", (char*)stack_head->car->content.ptr); |
printf("\"%s\"", (char*)CAR(stack_head)->content.ptr); |
468 |
break; |
break; |
469 |
case symb: |
case symb: |
470 |
printf("%s", ((symbol *)(stack_head->car->content.ptr))->id); |
printf("%s", CAR(stack_head)->content.sym->id); |
471 |
break; |
break; |
472 |
case func: |
case func: |
473 |
printf("#<function %p>", (funcp)(stack_head->car->content.ptr)); |
printf("#<function %p>", (funcp)(CAR(stack_head)->content.ptr)); |
474 |
break; |
break; |
475 |
case tcons: |
case tcons: |
476 |
/* 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 */ |
477 |
stack_head=stack_head->car->content.c; |
stack_head= CAR(stack_head); |
478 |
printf("[ "); |
printf("[ "); |
479 |
while(stack_head != NULL) { |
while(stack_head != NULL) { |
480 |
print_h(stack_head, noquote); |
print_h(stack_head, noquote); |
481 |
printf(" "); |
printf(" "); |
482 |
stack_head= stack_head->cdr->content.c; |
stack_head= CDR(stack_head); |
483 |
} |
} |
484 |
printf("]"); |
printf("]"); |
485 |
break; |
break; |
490 |
{ |
{ |
491 |
if(env->head==NULL) { |
if(env->head==NULL) { |
492 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
493 |
env->err=1; |
env->err= 1; |
494 |
return; |
return; |
495 |
} |
} |
496 |
print_h(env->head, 0); |
print_h(env->head, 0); |
509 |
{ |
{ |
510 |
if(env->head==NULL) { |
if(env->head==NULL) { |
511 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
512 |
env->err=1; |
env->err= 1; |
513 |
return; |
return; |
514 |
} |
} |
515 |
print_h(env->head, 1); |
print_h(env->head, 1); |
524 |
} |
} |
525 |
|
|
526 |
/* Only to be called by function printstack. */ |
/* Only to be called by function printstack. */ |
527 |
void print_st(cons *stack_head, long counter) |
void print_st(value *stack_head, long counter) |
528 |
{ |
{ |
529 |
if(stack_head->cdr->content.c != NULL) |
if(CDR(stack_head) != NULL) |
530 |
print_st(stack_head->cdr->content.c, counter+1); |
print_st(CDR(stack_head), counter+1); |
531 |
printf("%ld: ", counter); |
printf("%ld: ", counter); |
532 |
print_h(stack_head, 0); |
print_h(stack_head, 0); |
533 |
nl(); |
nl(); |
547 |
/* Swap the two top elements on the stack. */ |
/* Swap the two top elements on the stack. */ |
548 |
extern void swap(environment *env) |
extern void swap(environment *env) |
549 |
{ |
{ |
550 |
cons *temp= env->head; |
value *temp= env->head; |
551 |
|
|
552 |
if(env->head==NULL || env->head->cdr->content.c==NULL) { |
if(env->head==NULL || CDR(env->head)==NULL) { |
553 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
554 |
env->err=1; |
env->err=1; |
555 |
return; |
return; |
556 |
} |
} |
557 |
|
|
558 |
env->head= env->head->cdr->content.c; |
env->head= CDR(env->head); |
559 |
temp->cdr->content.c= env->head->cdr->content.c; |
CDR(temp)= CDR(env->head); |
560 |
env->head->cdr->content.c= temp; |
CDR(env->head)= temp; |
561 |
} |
} |
562 |
|
|
563 |
/* Rotate the first three elements on the stack. */ |
/* Rotate the first three elements on the stack. */ |
564 |
extern void rot(environment *env) |
extern void rot(environment *env) |
565 |
{ |
{ |
566 |
cons *temp= env->head; |
value *temp= env->head; |
567 |
|
|
568 |
if(env->head==NULL || env->head->cdr->content.c==NULL |
if(env->head==NULL || CDR(env->head)==NULL |
569 |
|| env->head->cdr->content.c->cdr->content.c==NULL) { |
|| CDR(CDR(env->head))==NULL) { |
570 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
571 |
env->err=1; |
env->err= 1; |
572 |
return; |
return; |
573 |
} |
} |
574 |
|
|
575 |
env->head= env->head->cdr->content.c->cdr->content.c; |
env->head= CDR(CDR(env->head)); |
576 |
temp->cdr->content.c->cdr->content.c= env->head->cdr->content.c; |
CDR(CDR(temp))= CDR(env->head); |
577 |
env->head->cdr->content.c= temp; |
CDR(env->head)= temp; |
578 |
} |
} |
579 |
|
|
580 |
/* Recall a value from a symbol, if bound */ |
/* Recall a value from a symbol, if bound */ |
588 |
return; |
return; |
589 |
} |
} |
590 |
|
|
591 |
if(env->head->car->type!=symb) { |
if(CAR(env->head)->type!=symb) { |
592 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
593 |
env->err= 2; |
env->err= 2; |
594 |
return; |
return; |
595 |
} |
} |
596 |
|
|
597 |
val= ((symbol *)(env->head->car->content.ptr))->val; |
val= CAR(env->head)->content.sym->val; |
598 |
if(val == NULL){ |
if(val == NULL){ |
599 |
printerr("Unbound Variable"); |
printerr("Unbound Variable"); |
600 |
env->err= 3; |
env->err= 3; |
614 |
{ |
{ |
615 |
funcp in_func; |
funcp in_func; |
616 |
value* temp_val; |
value* temp_val; |
617 |
cons* iterator; |
value* iterator; |
618 |
|
|
619 |
eval_start: |
eval_start: |
620 |
|
|
626 |
return; |
return; |
627 |
} |
} |
628 |
|
|
629 |
switch(env->head->car->type) { |
switch(CAR(env->head)->type) { |
630 |
/* if it's a symbol */ |
/* if it's a symbol */ |
631 |
case symb: |
case symb: |
632 |
rcl(env); /* get its contents */ |
rcl(env); /* get its contents */ |
633 |
if(env->err) return; |
if(env->err) return; |
634 |
if(env->head->car->type!=symb){ /* don't recurse symbols */ |
if(CAR(env->head)->type!=symb){ /* don't recurse symbols */ |
635 |
goto eval_start; |
goto eval_start; |
636 |
} |
} |
637 |
return; |
return; |
638 |
|
|
639 |
/* If it's a lone function value, run it */ |
/* If it's a lone function value, run it */ |
640 |
case func: |
case func: |
641 |
in_func= (funcp)(env->head->car->content.ptr); |
in_func= (funcp)(CAR(env->head)->content.ptr); |
642 |
toss(env); |
toss(env); |
643 |
if(env->err) return; |
if(env->err) return; |
644 |
return in_func(env); |
return in_func(env); |
645 |
|
|
646 |
/* If it's a list */ |
/* If it's a list */ |
647 |
case tcons: |
case tcons: |
648 |
temp_val= env->head->car; |
temp_val= CAR(env->head); |
649 |
protect(temp_val); |
protect(temp_val); |
650 |
|
|
651 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
652 |
iterator= (cons*)temp_val->content.ptr; |
iterator= temp_val; |
653 |
|
|
654 |
while(iterator!=NULL) { |
while(iterator!=NULL) { |
655 |
push_val(env, iterator->car); |
push_val(env, CAR(iterator)); |
656 |
|
|
657 |
if(env->head->car->type==symb |
if(CAR(env->head)->type==symb |
658 |
&& (((symbol*)(env->head->car->content.ptr))->id[0] == ';')) { |
&& CAR(env->head)->content.sym->id[0]==';') { |
659 |
toss(env); |
toss(env); |
660 |
if(env->err) return; |
if(env->err) return; |
661 |
|
|
662 |
if(iterator->cdr->content.ptr==NULL){ |
if(CDR(iterator)==NULL){ |
663 |
goto eval_start; |
goto eval_start; |
664 |
} |
} |
665 |
eval(env); |
eval(env); |
666 |
if(env->err) return; |
if(env->err) return; |
667 |
} |
} |
668 |
if (iterator->cdr->type == tcons) |
if (CDR(iterator)->type == tcons) |
669 |
iterator= iterator->cdr->content.c; |
iterator= CDR(iterator); |
670 |
else { |
else { |
671 |
printerr("Bad Argument Type"); /* Improper list */ |
printerr("Bad Argument Type"); /* Improper list */ |
672 |
env->err= 2; |
env->err= 2; |
684 |
/* Reverse (flip) a list */ |
/* Reverse (flip) a list */ |
685 |
extern void rev(environment *env) |
extern void rev(environment *env) |
686 |
{ |
{ |
687 |
cons *old_head, *new_head, *item; |
value *old_head, *new_head, *item; |
688 |
|
|
689 |
if((env->head)==NULL) { |
if(env->head==NULL) { |
690 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
691 |
env->err= 1; |
env->err= 1; |
692 |
return; |
return; |
693 |
} |
} |
694 |
|
|
695 |
if(env->head->car->type!=tcons) { |
if(CAR(env->head)->type!=tcons) { |
696 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
697 |
env->err= 2; |
env->err= 2; |
698 |
return; |
return; |
699 |
} |
} |
700 |
|
|
701 |
old_head= env->head->car->content.c; |
old_head= CAR(env->head); |
702 |
new_head= NULL; |
new_head= NULL; |
703 |
while(old_head!=NULL) { |
while(old_head!=NULL) { |
704 |
item= old_head; |
item= old_head; |
705 |
old_head= old_head->cdr->content.c; |
old_head= CDR(old_head); |
706 |
item->cdr->content.c= new_head; |
CDR(item)= new_head; |
707 |
new_head= item; |
new_head= item; |
708 |
} |
} |
709 |
env->head->car->content.ptr= new_head; |
CAR(env->head)= new_head; |
710 |
} |
} |
711 |
|
|
712 |
/* Make a list. */ |
/* Make a list. */ |
713 |
extern void pack(environment *env) |
extern void pack(environment *env) |
714 |
{ |
{ |
715 |
cons *iterator, *temp; |
value *iterator, *temp; |
|
value *pack; |
|
716 |
|
|
717 |
iterator= env->head; |
iterator= env->head; |
|
pack= new_val(env); |
|
|
protect(pack); |
|
|
|
|
718 |
if(iterator==NULL |
if(iterator==NULL |
719 |
|| (iterator->car->type==symb |
|| (CAR(iterator)->type==symb |
720 |
&& ((symbol*)(iterator->car->content.ptr))->id[0]=='[')) { |
&& CAR(iterator)->content.sym->id[0]=='[')) { |
721 |
temp= NULL; |
temp= NULL; |
722 |
toss(env); |
toss(env); |
723 |
} else { |
} else { |
724 |
/* Search for first delimiter */ |
/* Search for first delimiter */ |
725 |
while(iterator->cdr->content.c!=NULL |
while(CDR(iterator)!=NULL |
726 |
&& (iterator->cdr->content.c->car->type!=symb |
&& (CAR(CDR(iterator))->type!=symb |
727 |
|| ((symbol*)(iterator->cdr->content.c->car->content.ptr))->id[0] |
|| CAR(CDR(iterator))->content.sym->id[0]!='[')) |
728 |
!='[')) |
iterator= CDR(iterator); |
|
iterator= iterator->cdr->content.c; |
|
729 |
|
|
730 |
/* Extract list */ |
/* Extract list */ |
731 |
temp= env->head; |
temp= env->head; |
732 |
env->head= iterator->cdr->content.c; |
env->head= CDR(iterator); |
733 |
iterator->cdr->content.c= NULL; |
CDR(iterator)= NULL; |
734 |
|
|
|
pack->type= tcons; |
|
|
pack->content.ptr= temp; |
|
|
|
|
735 |
if(env->head!=NULL) |
if(env->head!=NULL) |
736 |
toss(env); |
toss(env); |
737 |
} |
} |
738 |
|
|
739 |
/* Push list */ |
/* Push list */ |
740 |
|
|
741 |
push_val(env, pack); |
push_val(env, temp); |
742 |
rev(env); |
rev(env); |
|
|
|
|
unprotect(pack); |
|
743 |
} |
} |
744 |
|
|
745 |
/* Relocate elements of the list on the stack. */ |
/* Relocate elements of the list on the stack. */ |
746 |
extern void expand(environment *env) |
extern void expand(environment *env) |
747 |
{ |
{ |
748 |
cons *temp, *new_head; |
value *temp, *new_head; |
749 |
|
|
750 |
/* Is top element a list? */ |
/* Is top element a list? */ |
751 |
if(env->head==NULL) { |
if(env->head==NULL) { |
753 |
env->err= 1; |
env->err= 1; |
754 |
return; |
return; |
755 |
} |
} |
756 |
if(env->head->car->type!=tcons) { |
|
757 |
|
if(CAR(env->head)->type!=tcons) { |
758 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
759 |
env->err= 2; |
env->err= 2; |
760 |
return; |
return; |
766 |
return; |
return; |
767 |
|
|
768 |
/* The first list element is the new stack head */ |
/* The first list element is the new stack head */ |
769 |
new_head= temp= env->head->car->content.c; |
new_head= temp= CAR(env->head); |
770 |
|
|
771 |
toss(env); |
toss(env); |
772 |
|
|
773 |
/* Find the end of the list */ |
/* Find the end of the list */ |
774 |
while(temp->cdr->content.ptr != NULL) { |
while(CDR(temp)->content.ptr != NULL) { |
775 |
if (temp->cdr->type == tcons) |
if (CDR(temp)->type == tcons) |
776 |
temp= temp->cdr->content.c; |
temp= CDR(temp); |
777 |
else { |
else { |
778 |
printerr("Bad Argument Type"); /* Improper list */ |
printerr("Bad Argument Type"); /* Improper list */ |
779 |
env->err= 2; |
env->err= 2; |
782 |
} |
} |
783 |
|
|
784 |
/* Connect the tail of the list with the old stack head */ |
/* Connect the tail of the list with the old stack head */ |
785 |
temp->cdr->content.c= env->head; |
CDR(temp)= env->head; |
786 |
env->head= new_head; /* ...and voila! */ |
env->head= new_head; /* ...and voila! */ |
787 |
|
|
788 |
} |
} |
792 |
{ |
{ |
793 |
void *left, *right; |
void *left, *right; |
794 |
|
|
795 |
if(env->head==NULL || env->head->cdr->content.c==NULL) { |
if(env->head==NULL || CDR(env->head)==NULL) { |
796 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
797 |
env->err= 1; |
env->err= 1; |
798 |
return; |
return; |
799 |
} |
} |
800 |
|
|
801 |
left= env->head->car->content.ptr; |
left= CAR(env->head)->content.ptr; |
802 |
swap(env); |
right= CAR(CDR(env->head))->content.ptr; |
|
right= env->head->car->content.ptr; |
|
803 |
toss(env); toss(env); |
toss(env); toss(env); |
804 |
|
|
805 |
push_int(env, left==right); |
push_int(env, left==right); |
816 |
return; |
return; |
817 |
} |
} |
818 |
|
|
819 |
if(env->head->car->type!=integer) { |
if(CAR(env->head)->type!=integer) { |
820 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
821 |
env->err= 2; |
env->err= 2; |
822 |
return; |
return; |
823 |
} |
} |
824 |
|
|
825 |
val= env->head->car->content.i; |
val= CAR(env->head)->content.i; |
826 |
toss(env); |
toss(env); |
827 |
push_int(env, !val); |
push_int(env, !val); |
828 |
} |
} |
841 |
symbol *sym; |
symbol *sym; |
842 |
|
|
843 |
/* 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 */ |
844 |
if(env->head==NULL || env->head->cdr->content.c==NULL) { |
if(env->head==NULL || CDR(env->head)==NULL) { |
845 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
846 |
env->err= 1; |
env->err= 1; |
847 |
return; |
return; |
848 |
} |
} |
849 |
|
|
850 |
if(env->head->car->type!=symb) { |
if(CAR(env->head)->type!=symb) { |
851 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
852 |
env->err= 2; |
env->err= 2; |
853 |
return; |
return; |
854 |
} |
} |
855 |
|
|
856 |
/* long names are a pain */ |
/* long names are a pain */ |
857 |
sym= env->head->car->content.ptr; |
sym= CAR(env->head)->content.ptr; |
858 |
|
|
859 |
/* Bind the symbol to the value */ |
/* Bind the symbol to the value */ |
860 |
sym->val= env->head->cdr->content.c->car; |
sym->val= CAR(CDR(env->head)); |
861 |
|
|
862 |
toss(env); toss(env); |
toss(env); toss(env); |
863 |
} |
} |
926 |
extern void forget(environment *env) |
extern void forget(environment *env) |
927 |
{ |
{ |
928 |
char* sym_id; |
char* sym_id; |
929 |
cons *stack_head= env->head; |
value *stack_head= env->head; |
930 |
|
|
931 |
if(stack_head==NULL) { |
if(stack_head==NULL) { |
932 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
934 |
return; |
return; |
935 |
} |
} |
936 |
|
|
937 |
if(stack_head->car->type!=symb) { |
if(CAR(stack_head)->type!=symb) { |
938 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
939 |
env->err= 2; |
env->err= 2; |
940 |
return; |
return; |
941 |
} |
} |
942 |
|
|
943 |
sym_id= ((symbol*)(stack_head->car->content.ptr))->id; |
sym_id= CAR(stack_head)->content.sym->id; |
944 |
toss(env); |
toss(env); |
945 |
|
|
946 |
return forget_sym(hash(env->symbols, sym_id)); |
return forget_sym(hash(env->symbols, sym_id)); |
1012 |
if (myenv.err==4) { |
if (myenv.err==4) { |
1013 |
return EXIT_SUCCESS; /* EOF */ |
return EXIT_SUCCESS; /* EOF */ |
1014 |
} else if(myenv.head!=NULL |
} else if(myenv.head!=NULL |
1015 |
&& myenv.head->car->type==symb |
&& CAR(myenv.head)->type==symb |
1016 |
&& ((symbol*)(myenv.head->car->content.ptr))->id[0]==';') { |
&& CAR(myenv.head)->content.sym->id[0] |
1017 |
|
==';') { |
1018 |
toss(&myenv); /* No error check in main */ |
toss(&myenv); /* No error check in main */ |
1019 |
eval(&myenv); |
eval(&myenv); |
1020 |
} |
} |
1033 |
char* new_string; |
char* new_string; |
1034 |
value *a_val, *b_val; |
value *a_val, *b_val; |
1035 |
|
|
1036 |
if(env->head==NULL || env->head->cdr->content.c==NULL) { |
if(env->head==NULL || CDR(env->head)==NULL) { |
1037 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1038 |
env->err= 1; |
env->err= 1; |
1039 |
return; |
return; |
1040 |
} |
} |
1041 |
|
|
1042 |
if(env->head->car->type==string |
if(CAR(env->head)->type==string |
1043 |
&& env->head->cdr->content.c->car->type==string) { |
&& CAR(CDR(env->head))->type==string) { |
1044 |
a_val= env->head->car; |
a_val= CAR(env->head); |
1045 |
b_val= env->head->cdr->content.c->car; |
b_val= CAR(CDR(env->head)); |
1046 |
protect(a_val); protect(b_val); |
protect(a_val); protect(b_val); |
1047 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1048 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1057 |
return; |
return; |
1058 |
} |
} |
1059 |
|
|
1060 |
if(env->head->car->type==integer |
if(CAR(env->head)->type==integer |
1061 |
&& env->head->cdr->content.c->car->type==integer) { |
&& CAR(CDR(env->head))->type==integer) { |
1062 |
a= env->head->car->content.i; |
a= CAR(env->head)->content.i; |
1063 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1064 |
b= env->head->car->content.i; |
b= CAR(env->head)->content.i; |
1065 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1066 |
push_int(env, b+a); |
push_int(env, b+a); |
1067 |
|
|
1068 |
return; |
return; |
1069 |
} |
} |
1070 |
|
|
1071 |
if(env->head->car->type==tfloat |
if(CAR(env->head)->type==tfloat |
1072 |
&& env->head->cdr->content.c->car->type==tfloat) { |
&& CAR(CDR(env->head))->type==tfloat) { |
1073 |
fa= env->head->car->content.f; |
fa= CAR(env->head)->content.f; |
1074 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1075 |
fb= env->head->car->content.f; |
fb= CAR(env->head)->content.f; |
1076 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1077 |
push_float(env, fb+fa); |
push_float(env, fb+fa); |
1078 |
|
|
1079 |
return; |
return; |
1080 |
} |
} |
1081 |
|
|
1082 |
if(env->head->car->type==tfloat |
if(CAR(env->head)->type==tfloat |
1083 |
&& env->head->cdr->content.c->car->type==integer) { |
&& CAR(CDR(env->head))->type==integer) { |
1084 |
fa= env->head->car->content.f; |
fa= CAR(env->head)->content.f; |
1085 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1086 |
b= env->head->car->content.i; |
b= CAR(env->head)->content.i; |
1087 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1088 |
push_float(env, b+fa); |
push_float(env, b+fa); |
1089 |
|
|
1090 |
return; |
return; |
1091 |
} |
} |
1092 |
|
|
1093 |
if(env->head->car->type==integer |
if(CAR(env->head)->type==integer |
1094 |
&& env->head->cdr->content.c->car->type==tfloat) { |
&& CAR(CDR(env->head))->type==tfloat) { |
1095 |
a= env->head->car->content.i; |
a= CAR(env->head)->content.i; |
1096 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1097 |
fb= env->head->car->content.f; |
fb= CAR(env->head)->content.f; |
1098 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1099 |
push_float(env, fb+a); |
push_float(env, fb+a); |
1100 |
|
|
1111 |
int a, b; |
int a, b; |
1112 |
float fa, fb; |
float fa, fb; |
1113 |
|
|
1114 |
if(env->head==NULL || env->head->cdr->content.c==NULL) { |
if(env->head==NULL || CDR(env->head)==NULL) { |
1115 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1116 |
env->err=1; |
env->err=1; |
1117 |
return; |
return; |
1118 |
} |
} |
1119 |
|
|
1120 |
if(env->head->car->type==integer |
if(CAR(env->head)->type==integer |
1121 |
&& env->head->cdr->content.c->car->type==integer) { |
&& CAR(CDR(env->head))->type==integer) { |
1122 |
a= env->head->car->content.i; |
a= CAR(env->head)->content.i; |
1123 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1124 |
b= env->head->car->content.i; |
b= CAR(env->head)->content.i; |
1125 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1126 |
push_int(env, b-a); |
push_int(env, b-a); |
1127 |
|
|
1128 |
return; |
return; |
1129 |
} |
} |
1130 |
|
|
1131 |
if(env->head->car->type==tfloat |
if(CAR(env->head)->type==tfloat |
1132 |
&& env->head->cdr->content.c->car->type==tfloat) { |
&& CAR(CDR(env->head))->type==tfloat) { |
1133 |
fa= env->head->car->content.f; |
fa= CAR(env->head)->content.f; |
1134 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1135 |
fb= env->head->car->content.f; |
fb= CAR(env->head)->content.f; |
1136 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1137 |
push_float(env, fb-fa); |
push_float(env, fb-fa); |
1138 |
|
|
1139 |
return; |
return; |
1140 |
} |
} |
1141 |
|
|
1142 |
if(env->head->car->type==tfloat |
if(CAR(env->head)->type==tfloat |
1143 |
&& env->head->cdr->content.c->car->type==integer) { |
&& CAR(CDR(env->head))->type==integer) { |
1144 |
fa= env->head->car->content.f; |
fa= CAR(env->head)->content.f; |
1145 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1146 |
b= env->head->car->content.i; |
b= CAR(env->head)->content.i; |
1147 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1148 |
push_float(env, b-fa); |
push_float(env, b-fa); |
1149 |
|
|
1150 |
return; |
return; |
1151 |
} |
} |
1152 |
|
|
1153 |
if(env->head->car->type==integer |
if(CAR(env->head)->type==integer |
1154 |
&& env->head->cdr->content.c->car->type==tfloat) { |
&& CAR(CDR(env->head))->type==tfloat) { |
1155 |
a= env->head->car->content.i; |
a= CAR(env->head)->content.i; |
1156 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1157 |
fb= env->head->car->content.f; |
fb= CAR(env->head)->content.f; |
1158 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1159 |
push_float(env, fb-a); |
push_float(env, fb-a); |
1160 |
|
|
1171 |
int a, b; |
int a, b; |
1172 |
float fa, fb; |
float fa, fb; |
1173 |
|
|
1174 |
if(env->head==NULL || env->head->cdr->content.c==NULL) { |
if(env->head==NULL || CDR(env->head)==NULL) { |
1175 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1176 |
env->err= 1; |
env->err= 1; |
1177 |
return; |
return; |
1178 |
} |
} |
1179 |
|
|
1180 |
if(env->head->car->type==integer |
if(CAR(env->head)->type==integer |
1181 |
&& env->head->cdr->content.c->car->type==integer) { |
&& CAR(CDR(env->head))->type==integer) { |
1182 |
a=env->head->car->content.i; |
a= CAR(env->head)->content.i; |
1183 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1184 |
b=env->head->car->content.i; |
b= CAR(env->head)->content.i; |
1185 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1186 |
push_int(env, b>a); |
push_int(env, b>a); |
1187 |
|
|
1188 |
return; |
return; |
1189 |
} |
} |
1190 |
|
|
1191 |
if(env->head->car->type==tfloat |
if(CAR(env->head)->type==tfloat |
1192 |
&& env->head->cdr->content.c->car->type==tfloat) { |
&& CAR(CDR(env->head))->type==tfloat) { |
1193 |
fa= env->head->car->content.f; |
fa= CAR(env->head)->content.f; |
1194 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1195 |
fb= env->head->car->content.f; |
fb= CAR(env->head)->content.f; |
1196 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1197 |
push_int(env, fb>fa); |
push_int(env, fb>fa); |
1198 |
|
|
1199 |
return; |
return; |
1200 |
} |
} |
1201 |
|
|
1202 |
if(env->head->car->type==tfloat |
if(CAR(env->head)->type==tfloat |
1203 |
&& env->head->cdr->content.c->car->type==integer) { |
&& CAR(CDR(env->head))->type==integer) { |
1204 |
fa= env->head->car->content.f; |
fa= CAR(env->head)->content.f; |
1205 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1206 |
b= env->head->car->content.i; |
b= CAR(env->head)->content.i; |
1207 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1208 |
push_int(env, b>fa); |
push_int(env, b>fa); |
1209 |
|
|
1210 |
return; |
return; |
1211 |
} |
} |
1212 |
|
|
1213 |
if(env->head->car->type==integer |
if(CAR(env->head)->type==integer |
1214 |
&& env->head->cdr->content.c->car->type==tfloat) { |
&& CAR(CDR(env->head))->type==tfloat) { |
1215 |
a= env->head->car->content.i; |
a= CAR(env->head)->content.i; |
1216 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1217 |
fb= env->head->car->content.f; |
fb= CAR(env->head)->content.f; |
1218 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1219 |
push_int(env, fb>a); |
push_int(env, fb>a); |
1220 |
|
|
1222 |
} |
} |
1223 |
|
|
1224 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
1225 |
env->err=2; |
env->err= 2; |
1226 |
} |
} |
1227 |
|
|
1228 |
/* "<" */ |
/* "<" */ |
1249 |
/* Return copy of a value */ |
/* Return copy of a value */ |
1250 |
value *copy_val(environment *env, value *old_value) |
value *copy_val(environment *env, value *old_value) |
1251 |
{ |
{ |
|
cons *old_item, *new_item, *prev_item; |
|
1252 |
value *new_value; |
value *new_value; |
1253 |
|
|
1254 |
|
if(old_value==NULL) |
1255 |
|
return NULL; |
1256 |
|
|
1257 |
protect(old_value); |
protect(old_value); |
1258 |
new_value= new_val(env); |
new_value= new_val(env); |
1259 |
protect(new_value); |
protect(new_value); |
1271 |
strdup((char *)(old_value->content.ptr)); |
strdup((char *)(old_value->content.ptr)); |
1272 |
break; |
break; |
1273 |
case tcons: |
case tcons: |
1274 |
new_value->content.ptr= NULL; |
new_value= NULL; |
1275 |
|
|
1276 |
prev_item= NULL; |
new_value->content.c= malloc(sizeof(cons)); |
1277 |
old_item= old_value->content.c; |
CAR(new_value)= copy_val(env, CAR(old_value)); /* recurse */ |
1278 |
|
CDR(new_value)= copy_val(env, CDR(old_value)); /* recurse */ |
|
if(old_value->content.ptr != NULL) { /* if list is not empty */ |
|
|
new_item= malloc(sizeof(cons)); |
|
|
new_item->car= copy_val(env, old_item->car); /* recurse */ |
|
|
new_item->cdr= copy_val(env, old_item->cdr); /* recurse */ |
|
|
} |
|
1279 |
break; |
break; |
1280 |
} |
} |
1281 |
|
|
1292 |
env->err= 1; |
env->err= 1; |
1293 |
return; |
return; |
1294 |
} |
} |
1295 |
push_val(env, copy_val(env, env->head->car)); |
push_val(env, copy_val(env, CAR(env->head))); |
1296 |
} |
} |
1297 |
|
|
1298 |
/* "if", If-Then */ |
/* "if", If-Then */ |
1300 |
{ |
{ |
1301 |
int truth; |
int truth; |
1302 |
|
|
1303 |
if(env->head==NULL || env->head->cdr->content.c==NULL) { |
if(env->head==NULL || CDR(env->head)==NULL) { |
1304 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1305 |
env->err= 1; |
env->err= 1; |
1306 |
return; |
return; |
1307 |
} |
} |
1308 |
|
|
1309 |
if(env->head->cdr->content.c->car->type != integer) { |
if(CAR(CDR(env->head))->type != integer) { |
1310 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
1311 |
env->err= 2; |
env->err= 2; |
1312 |
return; |
return; |
1315 |
swap(env); |
swap(env); |
1316 |
if(env->err) return; |
if(env->err) return; |
1317 |
|
|
1318 |
truth=env->head->car->content.i; |
truth= CAR(env->head)->content.i; |
1319 |
|
|
1320 |
toss(env); |
toss(env); |
1321 |
if(env->err) return; |
if(env->err) return; |
1331 |
{ |
{ |
1332 |
int truth; |
int truth; |
1333 |
|
|
1334 |
if(env->head==NULL || env->head->cdr->content.c==NULL |
if(env->head==NULL || CDR(env->head)==NULL |
1335 |
|| env->head->cdr->content.c->cdr->content.c==NULL) { |
|| CDR(CDR(env->head))==NULL) { |
1336 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1337 |
env->err= 1; |
env->err= 1; |
1338 |
return; |
return; |
1339 |
} |
} |
1340 |
|
|
1341 |
if(env->head->cdr->content.c->cdr->content.c->car->type!=integer) { |
if(CAR(CDR(CDR(env->head)))->type!=integer) { |
1342 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
1343 |
env->err= 2; |
env->err= 2; |
1344 |
return; |
return; |
1347 |
rot(env); |
rot(env); |
1348 |
if(env->err) return; |
if(env->err) return; |
1349 |
|
|
1350 |
truth= env->head->car->content.i; |
truth= CAR(env->head)->content.i; |
1351 |
|
|
1352 |
toss(env); |
toss(env); |
1353 |
if(env->err) return; |
if(env->err) return; |
1362 |
eval(env); |
eval(env); |
1363 |
} |
} |
1364 |
|
|
1365 |
|
extern void sx_656c7365(environment *env) |
1366 |
|
{ |
1367 |
|
if(env->head==NULL || CDR(env->head)==NULL |
1368 |
|
|| CDR(CDR(env->head))==NULL || CDR(CDR(CDR(env->head)))==NULL) { |
1369 |
|
printerr("Too Few Arguments"); |
1370 |
|
env->err= 1; |
1371 |
|
return; |
1372 |
|
} |
1373 |
|
|
1374 |
|
if(CAR(CDR(env->head))->type!=symb |
1375 |
|
|| strcmp(CAR(CDR(env->head))->content.sym->id, "if")!=0) { |
1376 |
|
printerr("Bad Argument Type"); |
1377 |
|
env->err= 2; |
1378 |
|
return; |
1379 |
|
} |
1380 |
|
|
1381 |
|
swap(env); toss(env); |
1382 |
|
ifelse(env); |
1383 |
|
} |
1384 |
|
|
1385 |
/* "while" */ |
/* "while" */ |
1386 |
extern void sx_7768696c65(environment *env) |
extern void sx_7768696c65(environment *env) |
1387 |
{ |
{ |
1388 |
int truth; |
int truth; |
1389 |
value *loop, *test; |
value *loop, *test; |
1390 |
|
|
1391 |
if(env->head==NULL || env->head->cdr->content.c==NULL) { |
if(env->head==NULL || CDR(env->head)==NULL) { |
1392 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1393 |
env->err= 1; |
env->err= 1; |
1394 |
return; |
return; |
1395 |
} |
} |
1396 |
|
|
1397 |
loop= env->head->car; |
loop= CAR(env->head); |
1398 |
protect(loop); |
protect(loop); |
1399 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1400 |
|
|
1401 |
test= env->head->car; |
test= CAR(env->head); |
1402 |
protect(test); |
protect(test); |
1403 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1404 |
|
|
1406 |
push_val(env, test); |
push_val(env, test); |
1407 |
eval(env); |
eval(env); |
1408 |
|
|
1409 |
if(env->head->car->type != integer) { |
if(CAR(env->head)->type != integer) { |
1410 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
1411 |
env->err= 2; |
env->err= 2; |
1412 |
return; |
return; |
1413 |
} |
} |
1414 |
|
|
1415 |
truth= env->head->car->content.i; |
truth= CAR(env->head)->content.i; |
1416 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1417 |
|
|
1418 |
if(truth) { |
if(truth) { |
1434 |
value *loop; |
value *loop; |
1435 |
int foo1, foo2; |
int foo1, foo2; |
1436 |
|
|
1437 |
if(env->head==NULL || env->head->cdr->content.c==NULL |
if(env->head==NULL || CDR(env->head)==NULL |
1438 |
|| env->head->cdr->content.c->cdr->content.c==NULL) { |
|| CDR(CDR(env->head))==NULL) { |
1439 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1440 |
env->err= 1; |
env->err= 1; |
1441 |
return; |
return; |
1442 |
} |
} |
1443 |
|
|
1444 |
if(env->head->cdr->content.c->car->type!=integer |
if(CAR(CDR(env->head))->type!=integer |
1445 |
|| env->head->cdr->content.c->cdr->content.c->car->type!=integer) { |
|| CAR(CDR(CDR(env->head)))->type!=integer) { |
1446 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
1447 |
env->err= 2; |
env->err= 2; |
1448 |
return; |
return; |
1449 |
} |
} |
1450 |
|
|
1451 |
loop= env->head->car; |
loop= CAR(env->head); |
1452 |
protect(loop); |
protect(loop); |
1453 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1454 |
|
|
1455 |
foo2= env->head->car->content.i; |
foo2= CAR(env->head)->content.i; |
1456 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1457 |
|
|
1458 |
foo1= env->head->car->content.i; |
foo1= CAR(env->head)->content.i; |
1459 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1460 |
|
|
1461 |
if(foo1<=foo2) { |
if(foo1<=foo2) { |
1480 |
extern void foreach(environment *env) |
extern void foreach(environment *env) |
1481 |
{ |
{ |
1482 |
value *loop, *foo; |
value *loop, *foo; |
1483 |
cons *iterator; |
value *iterator; |
1484 |
|
|
1485 |
if(env->head==NULL || env->head->cdr->content.c==NULL) { |
if(env->head==NULL || CDR(env->head)==NULL) { |
1486 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1487 |
env->err= 1; |
env->err= 1; |
1488 |
return; |
return; |
1489 |
} |
} |
1490 |
|
|
1491 |
if(env->head->cdr->content.c->car->type!=tcons) { |
if(CAR(CDR(env->head))->type!=tcons) { |
1492 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
1493 |
env->err= 2; |
env->err= 2; |
1494 |
return; |
return; |
1495 |
} |
} |
1496 |
|
|
1497 |
loop= env->head->car; |
loop= CAR(env->head); |
1498 |
protect(loop); |
protect(loop); |
1499 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1500 |
|
|
1501 |
foo= env->head->car; |
foo= CAR(env->head); |
1502 |
protect(foo); |
protect(foo); |
1503 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1504 |
|
|
1505 |
iterator= foo->content.c; |
iterator= foo; |
1506 |
|
|
1507 |
while(iterator!=NULL) { |
while(iterator!=NULL) { |
1508 |
push_val(env, iterator->car); |
push_val(env, CAR(iterator)); |
1509 |
push_val(env, loop); |
push_val(env, loop); |
1510 |
eval(env); if(env->err) return; |
eval(env); if(env->err) return; |
1511 |
if (iterator->cdr->type == tcons){ |
if (iterator->type == tcons){ |
1512 |
iterator= iterator->cdr->content.c; |
iterator= CDR(iterator); |
1513 |
} else { |
} else { |
1514 |
printerr("Bad Argument Type"); /* Improper list */ |
printerr("Bad Argument Type"); /* Improper list */ |
1515 |
env->err= 2; |
env->err= 2; |
1523 |
extern void to(environment *env) |
extern void to(environment *env) |
1524 |
{ |
{ |
1525 |
int ending, start, i; |
int ending, start, i; |
1526 |
cons *iterator, *temp; |
value *iterator, *temp; |
|
value *pack; |
|
1527 |
|
|
1528 |
if(env->head==NULL || env->head->cdr->content.c==NULL) { |
if(env->head==NULL || CDR(env->head)==NULL) { |
1529 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1530 |
env->err= 1; |
env->err= 1; |
1531 |
return; |
return; |
1532 |
} |
} |
1533 |
|
|
1534 |
if(env->head->car->type!=integer |
if(CAR(env->head)->type!=integer |
1535 |
|| env->head->cdr->content.c->car->type!=integer) { |
|| CAR(CDR(env->head))->type!=integer) { |
1536 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
1537 |
env->err= 2; |
env->err= 2; |
1538 |
return; |
return; |
1539 |
} |
} |
1540 |
|
|
1541 |
ending= env->head->car->content.i; |
ending= CAR(env->head)->content.i; |
1542 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1543 |
start= env->head->car->content.i; |
start= CAR(env->head)->content.i; |
1544 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1545 |
|
|
1546 |
push_sym(env, "["); |
push_sym(env, "["); |
1554 |
} |
} |
1555 |
|
|
1556 |
iterator= env->head; |
iterator= env->head; |
|
pack= new_val(env); |
|
|
protect(pack); |
|
1557 |
|
|
1558 |
if(iterator==NULL |
if(iterator==NULL |
1559 |
|| (iterator->car->type==symb |
|| (CAR(iterator)->type==symb |
1560 |
&& ((symbol*)(iterator->car->content.ptr))->id[0]=='[')) { |
&& CAR(iterator)->content.sym->id[0]=='[')) { |
1561 |
temp= NULL; |
temp= NULL; |
1562 |
toss(env); |
toss(env); |
1563 |
} else { |
} else { |
1564 |
/* Search for first delimiter */ |
/* Search for first delimiter */ |
1565 |
while(iterator->cdr->content.c!=NULL |
while(CDR(iterator)!=NULL |
1566 |
&& (iterator->cdr->content.c->car->type!=symb |
&& (CAR(CDR(iterator))->type!=symb |
1567 |
|| ((symbol*)(iterator->cdr->content.c->car->content.ptr))->id[0] |
|| CAR(CDR(iterator))->content.sym->id[0]!='[')) |
1568 |
!='[')) |
iterator= CDR(iterator); |
|
iterator= iterator->cdr->content.ptr; |
|
1569 |
|
|
1570 |
/* Extract list */ |
/* Extract list */ |
1571 |
temp= env->head; |
temp= env->head; |
1572 |
env->head= iterator->cdr->content.c; |
env->head= CDR(iterator); |
1573 |
iterator->cdr->content.c= NULL; |
CDR(iterator)= NULL; |
1574 |
|
|
|
pack->type= tcons; |
|
|
pack->content.ptr= temp; |
|
|
|
|
1575 |
if(env->head!=NULL) |
if(env->head!=NULL) |
1576 |
toss(env); |
toss(env); |
1577 |
} |
} |
1578 |
|
|
1579 |
/* Push list */ |
/* Push list */ |
1580 |
|
push_val(env, temp); |
|
push_val(env, pack); |
|
|
|
|
|
unprotect(pack); |
|
1581 |
} |
} |
1582 |
|
|
1583 |
/* Read a string */ |
/* Read a string */ |
1616 |
} |
} |
1617 |
readline(env); if(env->err) return; |
readline(env); if(env->err) return; |
1618 |
|
|
1619 |
if(((char *)(env->head->car->content.ptr))[0]=='\0'){ |
if(((char *)(CAR(env->head)->content.ptr))[0]=='\0'){ |
1620 |
env->err= 4; /* "" means EOF */ |
env->err= 4; /* "" means EOF */ |
1621 |
return; |
return; |
1622 |
} |
} |
1623 |
|
|
1624 |
env->in_string= malloc(strlen(env->head->car->content.ptr)+1); |
env->in_string= malloc(strlen(CAR(env->head)->content.ptr)+1); |
1625 |
env->free_string= env->in_string; /* Save the original pointer */ |
env->free_string= env->in_string; /* Save the original pointer */ |
1626 |
strcpy(env->in_string, env->head->car->content.ptr); |
strcpy(env->in_string, CAR(env->head)->content.ptr); |
1627 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1628 |
} |
} |
1629 |
|
|
1676 |
{ |
{ |
1677 |
int freq, dur, period, ticks; |
int freq, dur, period, ticks; |
1678 |
|
|
1679 |
if(env->head==NULL || env->head->cdr->content.c==NULL) { |
if(env->head==NULL || CDR(env->head)==NULL) { |
1680 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1681 |
env->err= 1; |
env->err= 1; |
1682 |
return; |
return; |
1683 |
} |
} |
1684 |
|
|
1685 |
if(env->head->car->type!=integer |
if(CAR(env->head)->type!=integer |
1686 |
|| env->head->cdr->content.c->car->type!=integer) { |
|| CAR(CDR(env->head))->type!=integer) { |
1687 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
1688 |
env->err= 2; |
env->err= 2; |
1689 |
return; |
return; |
1690 |
} |
} |
1691 |
|
|
1692 |
dur= env->head->car->content.i; |
dur= CAR(env->head)->content.i; |
1693 |
toss(env); |
toss(env); |
1694 |
freq= env->head->car->content.i; |
freq= CAR(env->head)->content.i; |
1695 |
toss(env); |
toss(env); |
1696 |
|
|
1697 |
period= 1193180/freq; /* convert freq from Hz to period |
period= 1193180/freq; /* convert freq from Hz to period |
1726 |
return; |
return; |
1727 |
} |
} |
1728 |
|
|
1729 |
if(env->head->car->type!=integer) { |
if(CAR(env->head)->type!=integer) { |
1730 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
1731 |
env->err= 2; |
env->err= 2; |
1732 |
return; |
return; |
1733 |
} |
} |
1734 |
|
|
1735 |
dur=env->head->car->content.i; |
dur= CAR(env->head)->content.i; |
1736 |
toss(env); |
toss(env); |
1737 |
|
|
1738 |
usleep(dur); |
usleep(dur); |
2029 |
int a, b; |
int a, b; |
2030 |
float fa, fb; |
float fa, fb; |
2031 |
|
|
2032 |
if(env->head==NULL || env->head->cdr->content.c==NULL) { |
if(env->head==NULL || CDR(env->head)==NULL) { |
2033 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
2034 |
env->err= 1; |
env->err= 1; |
2035 |
return; |
return; |
2036 |
} |
} |
2037 |
|
|
2038 |
if(env->head->car->type==integer |
if(CAR(env->head)->type==integer |
2039 |
&& env->head->cdr->content.c->car->type==integer) { |
&& CAR(CDR(env->head))->type==integer) { |
2040 |
a= env->head->car->content.i; |
a= CAR(env->head)->content.i; |
2041 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2042 |
b= env->head->car->content.i; |
b= CAR(env->head)->content.i; |
2043 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2044 |
push_int(env, b*a); |
push_int(env, b*a); |
2045 |
|
|
2046 |
return; |
return; |
2047 |
} |
} |
2048 |
|
|
2049 |
if(env->head->car->type==tfloat |
if(CAR(env->head)->type==tfloat |
2050 |
&& env->head->cdr->content.c->car->type==tfloat) { |
&& CAR(CDR(env->head))->type==tfloat) { |
2051 |
fa= env->head->car->content.f; |
fa= CAR(env->head)->content.f; |
2052 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2053 |
fb= env->head->car->content.f; |
fb= CAR(env->head)->content.f; |
2054 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2055 |
push_float(env, fb*fa); |
push_float(env, fb*fa); |
2056 |
|
|
2057 |
return; |
return; |
2058 |
} |
} |
2059 |
|
|
2060 |
if(env->head->car->type==tfloat |
if(CAR(env->head)->type==tfloat |
2061 |
&& env->head->cdr->content.c->car->type==integer) { |
&& CAR(CDR(env->head))->type==integer) { |
2062 |
fa= env->head->car->content.f; |
fa= CAR(env->head)->content.f; |
2063 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2064 |
b= env->head->car->content.i; |
b= CAR(env->head)->content.i; |
2065 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2066 |
push_float(env, b*fa); |
push_float(env, b*fa); |
2067 |
|
|
2068 |
return; |
return; |
2069 |
} |
} |
2070 |
|
|
2071 |
if(env->head->car->type==integer |
if(CAR(env->head)->type==integer |
2072 |
&& env->head->cdr->content.c->car->type==tfloat) { |
&& CAR(CDR(env->head))->type==tfloat) { |
2073 |
a= env->head->car->content.i; |
a= CAR(env->head)->content.i; |
2074 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2075 |
fb= env->head->car->content.f; |
fb= CAR(env->head)->content.f; |
2076 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2077 |
push_float(env, fb*a); |
push_float(env, fb*a); |
2078 |
|
|
2089 |
int a, b; |
int a, b; |
2090 |
float fa, fb; |
float fa, fb; |
2091 |
|
|
2092 |
if(env->head==NULL || env->head->cdr->content.c==NULL) { |
if(env->head==NULL || CDR(env->head)==NULL) { |
2093 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
2094 |
env->err= 1; |
env->err= 1; |
2095 |
return; |
return; |
2096 |
} |
} |
2097 |
|
|
2098 |
if(env->head->car->type==integer |
if(CAR(env->head)->type==integer |
2099 |
&& env->head->cdr->content.c->car->type==integer) { |
&& CAR(CDR(env->head))->type==integer) { |
2100 |
a= env->head->car->content.i; |
a= CAR(env->head)->content.i; |
2101 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2102 |
b= env->head->car->content.i; |
b= CAR(env->head)->content.i; |
2103 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2104 |
push_float(env, b/a); |
push_float(env, b/a); |
2105 |
|
|
2106 |
return; |
return; |
2107 |
} |
} |
2108 |
|
|
2109 |
if(env->head->car->type==tfloat |
if(CAR(env->head)->type==tfloat |
2110 |
&& env->head->cdr->content.c->car->type==tfloat) { |
&& CAR(CDR(env->head))->type==tfloat) { |
2111 |
fa= env->head->car->content.f; |
fa= CAR(env->head)->content.f; |
2112 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2113 |
fb= env->head->car->content.f; |
fb= CAR(env->head)->content.f; |
2114 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2115 |
push_float(env, fb/fa); |
push_float(env, fb/fa); |
2116 |
|
|
2117 |
return; |
return; |
2118 |
} |
} |
2119 |
|
|
2120 |
if(env->head->car->type==tfloat |
if(CAR(env->head)->type==tfloat |
2121 |
&& env->head->cdr->content.c->car->type==integer) { |
&& CAR(CDR(env->head))->type==integer) { |
2122 |
fa= env->head->car->content.f; |
fa= CAR(env->head)->content.f; |
2123 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2124 |
b= env->head->car->content.i; |
b= CAR(env->head)->content.i; |
2125 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2126 |
push_float(env, b/fa); |
push_float(env, b/fa); |
2127 |
|
|
2128 |
return; |
return; |
2129 |
} |
} |
2130 |
|
|
2131 |
if(env->head->car->type==integer |
if(CAR(env->head)->type==integer |
2132 |
&& env->head->cdr->content.c->car->type==tfloat) { |
&& CAR(CDR(env->head))->type==tfloat) { |
2133 |
a= env->head->car->content.i; |
a= CAR(env->head)->content.i; |
2134 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2135 |
fb= env->head->car->content.f; |
fb= CAR(env->head)->content.f; |
2136 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2137 |
push_float(env, fb/a); |
push_float(env, fb/a); |
2138 |
|
|
2148 |
{ |
{ |
2149 |
int a, b; |
int a, b; |
2150 |
|
|
2151 |
if(env->head==NULL || env->head->cdr->content.c==NULL) { |
if(env->head==NULL || CDR(env->head)==NULL) { |
2152 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
2153 |
env->err= 1; |
env->err= 1; |
2154 |
return; |
return; |
2155 |
} |
} |
2156 |
|
|
2157 |
if(env->head->car->type==integer |
if(CAR(env->head)->type==integer |
2158 |
&& env->head->cdr->content.c->car->type==integer) { |
&& CAR(CDR(env->head))->type==integer) { |
2159 |
a= env->head->car->content.i; |
a= CAR(env->head)->content.i; |
2160 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2161 |
b= env->head->car->content.i; |
b= CAR(env->head)->content.i; |
2162 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2163 |
push_int(env, b%a); |
push_int(env, b%a); |
2164 |
|
|
2174 |
{ |
{ |
2175 |
int a, b; |
int a, b; |
2176 |
|
|
2177 |
if(env->head==NULL || env->head->cdr->content.c==NULL) { |
if(env->head==NULL || CDR(env->head)==NULL) { |
2178 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
2179 |
env->err= 1; |
env->err= 1; |
2180 |
return; |
return; |
2181 |
} |
} |
2182 |
|
|
2183 |
if(env->head->car->type==integer |
if(CAR(env->head)->type==integer |
2184 |
&& env->head->cdr->content.c->car->type==integer) { |
&& CAR(CDR(env->head))->type==integer) { |
2185 |
a= env->head->car->content.i; |
a= CAR(env->head)->content.i; |
2186 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2187 |
b= env->head->car->content.i; |
b= CAR(env->head)->content.i; |
2188 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
2189 |
push_int(env, (int)b/a); |
push_int(env, (int)b/a); |
2190 |
|
|