48 |
{ |
{ |
49 |
int i; |
int i; |
50 |
|
|
51 |
env->gc_limit= 20; |
env->gc_limit= 400000; |
52 |
env->gc_count= 0; |
env->gc_count= 0; |
53 |
env->gc_ref= NULL; |
env->gc_ref= NULL; |
|
env->gc_protect= NULL; |
|
54 |
|
|
55 |
env->head= NULL; |
env->head= NULL; |
56 |
for(i= 0; i<HASHTBLSIZE; i++) |
for(i= 0; i<HASHTBLSIZE; i++) |
62 |
env->interactive= 1; |
env->interactive= 1; |
63 |
} |
} |
64 |
|
|
65 |
void printerr(const char* in_string) { |
void printerr(const char* in_string) |
66 |
|
{ |
67 |
fprintf(stderr, "Err: %s\n", in_string); |
fprintf(stderr, "Err: %s\n", in_string); |
68 |
} |
} |
69 |
|
|
80 |
|
|
81 |
env->head= env->head->next; /* Remove the top stack item */ |
env->head= env->head->next; /* Remove the top stack item */ |
82 |
free(temp); /* Free the old top stack item */ |
free(temp); /* Free the old top stack item */ |
|
|
|
|
gc_init(env); |
|
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. */ |
111 |
} |
} |
112 |
} |
} |
113 |
|
|
114 |
value* new_val(environment *env) { |
/* Create new value */ |
115 |
|
value* new_val(environment *env) |
116 |
|
{ |
117 |
value *nval= malloc(sizeof(value)); |
value *nval= malloc(sizeof(value)); |
118 |
stackitem *nitem= malloc(sizeof(stackitem)); |
stackitem *nitem= malloc(sizeof(stackitem)); |
119 |
|
|
120 |
nval->content.ptr= NULL; |
nval->content.ptr= NULL; |
|
protect(env, nval); |
|
|
|
|
|
gc_init(env); |
|
121 |
|
|
122 |
nitem->item= nval; |
nitem->item= nval; |
123 |
nitem->next= env->gc_ref; |
nitem->next= env->gc_ref; |
124 |
env->gc_ref= nitem; |
env->gc_ref= nitem; |
125 |
|
|
126 |
env->gc_count++; |
env->gc_count += sizeof(value); |
127 |
unprotect(env); |
nval->gc.flag.mark= 0; |
128 |
|
nval->gc.flag.protect= 0; |
129 |
|
|
130 |
return nval; |
return nval; |
131 |
} |
} |
132 |
|
|
133 |
void gc_mark(value *val) { |
/* Mark values recursively. |
134 |
|
Marked values are not collected by the GC. */ |
135 |
|
inline void gc_mark(value *val) |
136 |
|
{ |
137 |
stackitem *iterator; |
stackitem *iterator; |
138 |
|
|
139 |
if(val==NULL || val->gc_garb==0) |
if(val->gc.flag.mark) |
140 |
return; |
return; |
141 |
|
|
142 |
val->gc_garb= 0; |
val->gc.flag.mark= 1; |
143 |
|
|
144 |
if(val->type==list) { |
if(val->type==list) { |
145 |
iterator= val->content.ptr; |
iterator= val->content.ptr; |
151 |
} |
} |
152 |
} |
} |
153 |
|
|
154 |
extern void gc_init(environment *env) { |
inline void gc_maybe(environment *env) |
155 |
stackitem *new_head= NULL, *titem, *iterator= env->gc_ref; |
{ |
|
symbol *tsymb; |
|
|
int i; |
|
|
|
|
156 |
if(env->gc_count < env->gc_limit) |
if(env->gc_count < env->gc_limit) |
157 |
return; |
return; |
158 |
|
else |
159 |
|
return gc_init(env); |
160 |
|
} |
161 |
|
|
162 |
while(iterator!=NULL) { |
/* Start GC */ |
163 |
iterator->item->gc_garb= 1; |
extern void gc_init(environment *env) |
164 |
iterator= iterator->next; |
{ |
165 |
} |
stackitem *new_head= NULL, *titem, *iterator; |
166 |
|
symbol *tsymb; |
167 |
|
int i; |
168 |
|
|
169 |
/* Mark */ |
if(env->interactive){ |
170 |
iterator= env->gc_protect; |
printf("Garbage collecting."); |
|
while(iterator!=NULL) { |
|
|
gc_mark(iterator->item); |
|
|
iterator= iterator->next; |
|
171 |
} |
} |
172 |
|
|
173 |
|
/* Mark values on stack */ |
174 |
iterator= env->head; |
iterator= env->head; |
175 |
while(iterator!=NULL) { |
while(iterator!=NULL) { |
176 |
gc_mark(iterator->item); |
gc_mark(iterator->item); |
177 |
iterator= iterator->next; |
iterator= iterator->next; |
178 |
} |
} |
179 |
|
|
180 |
|
if(env->interactive){ |
181 |
|
printf("."); |
182 |
|
} |
183 |
|
|
184 |
|
/* Mark values in hashtable */ |
185 |
for(i= 0; i<HASHTBLSIZE; i++) { |
for(i= 0; i<HASHTBLSIZE; i++) { |
186 |
tsymb= env->symbols[i]; |
tsymb= env->symbols[i]; |
187 |
while(tsymb!=NULL) { |
while(tsymb!=NULL) { |
188 |
gc_mark(tsymb->val); |
if (tsymb->val != NULL) |
189 |
|
gc_mark(tsymb->val); |
190 |
tsymb= tsymb->next; |
tsymb= tsymb->next; |
191 |
} |
} |
192 |
} |
} |
193 |
|
|
194 |
|
if(env->interactive){ |
195 |
|
printf("."); |
196 |
|
} |
197 |
|
|
198 |
env->gc_count= 0; |
env->gc_count= 0; |
199 |
|
|
200 |
/* Sweep */ |
while(env->gc_ref!=NULL) { /* Sweep unused values */ |
201 |
while(env->gc_ref!=NULL) { |
|
202 |
|
if(!(env->gc_ref->item->gc.no_gc)){ /* neither mark nor protect */ |
203 |
|
|
204 |
if(env->gc_ref->item->gc_garb) { |
switch(env->gc_ref->item->type) { /* Remove content */ |
|
switch(env->gc_ref->item->type) { |
|
205 |
case string: |
case string: |
206 |
free(env->gc_ref->item->content.ptr); |
free(env->gc_ref->item->content.ptr); |
207 |
break; |
break; |
|
case integer: |
|
|
break; |
|
208 |
case list: |
case list: |
209 |
while(env->gc_ref->item->content.ptr!=NULL) { |
while(env->gc_ref->item->content.ptr!=NULL) { |
210 |
titem= env->gc_ref->item->content.ptr; |
titem= env->gc_ref->item->content.ptr; |
211 |
env->gc_ref->item->content.ptr= titem->next; |
env->gc_ref->item->content.ptr= titem->next; |
212 |
free(titem); |
free(titem); |
213 |
} |
} |
|
break; |
|
214 |
default: |
default: |
|
break; |
|
215 |
} |
} |
216 |
free(env->gc_ref->item); |
free(env->gc_ref->item); /* Remove from gc_ref */ |
217 |
titem= env->gc_ref->next; |
titem= env->gc_ref->next; |
218 |
free(env->gc_ref); |
free(env->gc_ref); /* Remove value */ |
219 |
env->gc_ref= titem; |
env->gc_ref= titem; |
220 |
|
continue; |
221 |
} else { |
} else { |
222 |
titem= env->gc_ref->next; |
env->gc_count += sizeof(value); |
223 |
env->gc_ref->next= new_head; |
if(env->gc_ref->item->type == string) |
224 |
new_head= env->gc_ref; |
env->gc_count += strlen(env->gc_ref->item->content.ptr); |
|
env->gc_ref= titem; |
|
|
env->gc_count++; |
|
225 |
} |
} |
226 |
|
|
227 |
|
/* Keep values */ |
228 |
|
titem= env->gc_ref->next; |
229 |
|
env->gc_ref->next= new_head; |
230 |
|
new_head= env->gc_ref; |
231 |
|
new_head->item->gc.flag.mark= 0; |
232 |
|
env->gc_ref= titem; |
233 |
} |
} |
234 |
|
|
235 |
env->gc_limit= env->gc_count*2; |
if (env->gc_limit < env->gc_count*2) |
236 |
|
env->gc_limit= env->gc_count*2; |
237 |
|
|
238 |
env->gc_ref= new_head; |
env->gc_ref= new_head; |
239 |
|
|
240 |
|
if(env->interactive){ |
241 |
|
printf("done\n"); |
242 |
|
} |
243 |
|
|
244 |
} |
} |
245 |
|
|
246 |
void protect(environment *env, value *val) |
/* Protect values from GC */ |
247 |
|
void protect(value *val) |
248 |
{ |
{ |
249 |
stackitem *new_item= malloc(sizeof(stackitem)); |
stackitem *iterator; |
250 |
new_item->item= val; |
|
251 |
new_item->next= env->gc_protect; |
if(val->gc.flag.protect) |
252 |
env->gc_protect= new_item; |
return; |
253 |
|
|
254 |
|
val->gc.flag.protect= 1; |
255 |
|
|
256 |
|
if(val->type==list) { |
257 |
|
iterator= val->content.ptr; |
258 |
|
|
259 |
|
while(iterator!=NULL) { |
260 |
|
protect(iterator->item); |
261 |
|
iterator= iterator->next; |
262 |
|
} |
263 |
|
} |
264 |
} |
} |
265 |
|
|
266 |
void unprotect(environment *env) |
/* Unprotect values from GC */ |
267 |
|
void unprotect(value *val) |
268 |
{ |
{ |
269 |
stackitem *temp= env->gc_protect; |
stackitem *iterator; |
270 |
env->gc_protect= env->gc_protect->next; |
|
271 |
free(temp); |
if(!(val->gc.flag.protect)) |
272 |
|
return; |
273 |
|
|
274 |
|
val->gc.flag.protect= 0; |
275 |
|
|
276 |
|
if(val->type==list) { |
277 |
|
iterator= val->content.ptr; |
278 |
|
|
279 |
|
while(iterator!=NULL) { |
280 |
|
unprotect(iterator->item); |
281 |
|
iterator= iterator->next; |
282 |
|
} |
283 |
|
} |
284 |
} |
} |
285 |
|
|
286 |
/* Push a value onto the stack */ |
/* Push a value onto the stack */ |
292 |
env->head= new_item; |
env->head= new_item; |
293 |
} |
} |
294 |
|
|
295 |
/* Push an integer onto the stack. */ |
/* Push an integer onto the stack */ |
296 |
void push_int(environment *env, int in_val) |
void push_int(environment *env, int in_val) |
297 |
{ |
{ |
298 |
value *new_value= new_val(env); |
value *new_value= new_val(env); |
299 |
|
|
300 |
new_value->content.val= in_val; |
new_value->content.i= in_val; |
301 |
new_value->type= integer; |
new_value->type= integer; |
302 |
|
|
303 |
push_val(env, new_value); |
push_val(env, new_value); |
304 |
} |
} |
305 |
|
|
306 |
|
/* Push a floating point number onto the stack */ |
307 |
|
void push_float(environment *env, float in_val) |
308 |
|
{ |
309 |
|
value *new_value= new_val(env); |
310 |
|
|
311 |
|
new_value->content.f= in_val; |
312 |
|
new_value->type= tfloat; |
313 |
|
|
314 |
|
push_val(env, new_value); |
315 |
|
} |
316 |
|
|
317 |
/* Copy a string onto the stack. */ |
/* Copy a string onto the stack. */ |
318 |
void push_cstring(environment *env, const char *in_string) |
void push_cstring(environment *env, const char *in_string) |
319 |
{ |
{ |
320 |
value *new_value= new_val(env); |
value *new_value= new_val(env); |
321 |
|
int length= strlen(in_string)+1; |
322 |
|
|
323 |
new_value->content.ptr= malloc(strlen(in_string)+1); |
new_value->content.ptr= malloc(length); |
324 |
|
env->gc_count += length; |
325 |
strcpy(new_value->content.ptr, in_string); |
strcpy(new_value->content.ptr, in_string); |
326 |
new_value->type= string; |
new_value->type= string; |
327 |
|
|
329 |
} |
} |
330 |
|
|
331 |
/* Mangle a symbol name to a valid C identifier name */ |
/* Mangle a symbol name to a valid C identifier name */ |
332 |
char *mangle_str(const char *old_string){ |
char *mangle_str(const char *old_string) |
333 |
|
{ |
334 |
char validchars[]= "0123456789abcdef"; |
char validchars[]= "0123456789abcdef"; |
335 |
char *new_string, *current; |
char *new_string, *current; |
336 |
|
|
348 |
return new_string; /* The caller must free() it */ |
return new_string; /* The caller must free() it */ |
349 |
} |
} |
350 |
|
|
351 |
extern void mangle(environment *env){ |
extern void mangle(environment *env) |
352 |
|
{ |
353 |
char *new_string; |
char *new_string; |
354 |
|
|
355 |
if((env->head)==NULL) { |
if((env->head)==NULL) { |
388 |
char *mangled; /* Mangled function name */ |
char *mangled; /* Mangled function name */ |
389 |
|
|
390 |
new_value= new_val(env); |
new_value= new_val(env); |
391 |
|
protect(new_value); |
392 |
|
new_fvalue= new_val(env); |
393 |
|
protect(new_fvalue); |
394 |
|
|
395 |
/* The new value is a symbol */ |
/* The new value is a symbol */ |
396 |
new_value->type= symb; |
new_value->type= symb; |
418 |
|
|
419 |
mangled= mangle_str(in_string); /* mangle the name */ |
mangled= mangle_str(in_string); /* mangle the name */ |
420 |
funcptr= dlsym(handle, mangled); /* and try to find it */ |
funcptr= dlsym(handle, mangled); /* and try to find it */ |
421 |
free(mangled); |
|
422 |
dlerr= dlerror(); |
dlerr= dlerror(); |
423 |
if(dlerr != NULL) { /* If no function was found */ |
if(dlerr != NULL) { /* If no function was found */ |
424 |
funcptr= dlsym(handle, in_string); /* Get function pointer */ |
funcptr= dlsym(handle, in_string); /* Get function pointer */ |
425 |
dlerr= dlerror(); |
dlerr= dlerror(); |
426 |
} |
} |
427 |
|
|
428 |
if(dlerr==NULL) { /* If a function was found */ |
if(dlerr==NULL) { /* If a function was found */ |
|
new_fvalue= new_val(env); /* Create a new value */ |
|
429 |
new_fvalue->type= func; /* The new value is a function pointer */ |
new_fvalue->type= func; /* The new value is a function pointer */ |
430 |
new_fvalue->content.ptr= funcptr; /* Store function pointer */ |
new_fvalue->content.ptr= funcptr; /* Store function pointer */ |
431 |
(*new_symbol)->val= new_fvalue; /* Bind the symbol to the new |
(*new_symbol)->val= new_fvalue; /* Bind the symbol to the new |
432 |
function value */ |
function value */ |
433 |
} |
} |
434 |
|
|
435 |
|
free(mangled); |
436 |
} |
} |
437 |
|
|
438 |
push_val(env, new_value); |
push_val(env, new_value); |
439 |
|
unprotect(new_value); unprotect(new_fvalue); |
440 |
} |
} |
441 |
|
|
442 |
/* Print newline. */ |
/* Print newline. */ |
446 |
} |
} |
447 |
|
|
448 |
/* Gets the type of a value */ |
/* Gets the type of a value */ |
449 |
extern void type(environment *env){ |
extern void type(environment *env) |
450 |
|
{ |
451 |
int typenum; |
int typenum; |
452 |
|
|
453 |
if((env->head)==NULL) { |
if((env->head)==NULL) { |
461 |
case integer: |
case integer: |
462 |
push_sym(env, "integer"); |
push_sym(env, "integer"); |
463 |
break; |
break; |
464 |
|
case tfloat: |
465 |
|
push_sym(env, "float"); |
466 |
|
break; |
467 |
case string: |
case string: |
468 |
push_sym(env, "string"); |
push_sym(env, "string"); |
469 |
break; |
break; |
484 |
{ |
{ |
485 |
switch(stack_head->item->type) { |
switch(stack_head->item->type) { |
486 |
case integer: |
case integer: |
487 |
printf("%d", stack_head->item->content.val); |
printf("%d", stack_head->item->content.i); |
488 |
|
break; |
489 |
|
case tfloat: |
490 |
|
printf("%f", stack_head->item->content.f); |
491 |
break; |
break; |
492 |
case string: |
case string: |
493 |
if(noquote) |
if(noquote) |
515 |
} |
} |
516 |
} |
} |
517 |
|
|
518 |
extern void print_(environment *env) { |
extern void print_(environment *env) |
519 |
|
{ |
520 |
if(env->head==NULL) { |
if(env->head==NULL) { |
521 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
522 |
env->err=1; |
env->err=1; |
534 |
toss(env); |
toss(env); |
535 |
} |
} |
536 |
|
|
537 |
extern void princ_(environment *env) { |
extern void princ_(environment *env) |
538 |
|
{ |
539 |
if(env->head==NULL) { |
if(env->head==NULL) { |
540 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
541 |
env->err=1; |
env->err=1; |
569 |
printf("Stack Empty\n"); |
printf("Stack Empty\n"); |
570 |
return; |
return; |
571 |
} |
} |
572 |
|
|
573 |
print_st(env->head, 1); |
print_st(env->head, 1); |
574 |
} |
} |
575 |
|
|
629 |
env->err=3; |
env->err=3; |
630 |
return; |
return; |
631 |
} |
} |
632 |
protect(env, val); |
protect(val); |
633 |
toss(env); /* toss the symbol */ |
toss(env); /* toss the symbol */ |
634 |
if(env->err) return; |
if(env->err) return; |
635 |
push_val(env, val); /* Return its bound value */ |
push_val(env, val); /* Return its bound value */ |
636 |
unprotect(env); |
unprotect(val); |
637 |
} |
} |
638 |
|
|
639 |
/* 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 |
647 |
|
|
648 |
eval_start: |
eval_start: |
649 |
|
|
650 |
|
gc_maybe(env); |
651 |
|
|
652 |
if(env->head==NULL) { |
if(env->head==NULL) { |
653 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
654 |
env->err=1; |
env->err=1; |
675 |
/* If it's a list */ |
/* If it's a list */ |
676 |
case list: |
case list: |
677 |
temp_val= env->head->item; |
temp_val= env->head->item; |
678 |
protect(env, temp_val); |
protect(temp_val); |
679 |
toss(env); |
|
680 |
if(env->err) return; |
toss(env); if(env->err) return; |
681 |
iterator= (stackitem*)temp_val->content.ptr; |
iterator= (stackitem*)temp_val->content.ptr; |
|
unprotect(env); |
|
682 |
|
|
683 |
while(iterator!=NULL) { |
while(iterator!=NULL) { |
684 |
push_val(env, iterator->item); |
push_val(env, iterator->item); |
685 |
|
|
686 |
if(env->head->item->type==symb |
if(env->head->item->type==symb |
687 |
&& strcmp(";", ((symbol*)(env->head->item->content.ptr))->id)==0) { |
&& (((symbol*)(env->head->item->content.ptr))->id[0] == ';')) { |
688 |
toss(env); |
toss(env); |
689 |
if(env->err) return; |
if(env->err) return; |
690 |
|
|
696 |
} |
} |
697 |
iterator= iterator->next; |
iterator= iterator->next; |
698 |
} |
} |
699 |
|
unprotect(temp_val); |
700 |
return; |
return; |
701 |
|
|
702 |
default: |
default: |
705 |
} |
} |
706 |
|
|
707 |
/* Reverse (flip) a list */ |
/* Reverse (flip) a list */ |
708 |
extern void rev(environment *env){ |
extern void rev(environment *env) |
709 |
|
{ |
710 |
stackitem *old_head, *new_head, *item; |
stackitem *old_head, *new_head, *item; |
711 |
|
|
712 |
if((env->head)==NULL) { |
if((env->head)==NULL) { |
739 |
value *pack; |
value *pack; |
740 |
|
|
741 |
iterator= env->head; |
iterator= env->head; |
742 |
|
pack= new_val(env); |
743 |
|
protect(pack); |
744 |
|
|
745 |
if(iterator==NULL |
if(iterator==NULL |
746 |
|| (iterator->item->type==symb |
|| (iterator->item->type==symb |
758 |
temp= env->head; |
temp= env->head; |
759 |
env->head= iterator->next; |
env->head= iterator->next; |
760 |
iterator->next= NULL; |
iterator->next= NULL; |
761 |
|
|
762 |
|
pack->type= list; |
763 |
|
pack->content.ptr= temp; |
764 |
|
|
765 |
if(env->head!=NULL) |
if(env->head!=NULL) |
766 |
toss(env); |
toss(env); |
767 |
} |
} |
768 |
|
|
769 |
/* Push list */ |
/* Push list */ |
|
pack= new_val(env); |
|
|
pack->type= list; |
|
|
pack->content.ptr= temp; |
|
770 |
|
|
771 |
push_val(env, pack); |
push_val(env, pack); |
772 |
rev(env); |
rev(env); |
773 |
|
|
774 |
|
unprotect(pack); |
775 |
} |
} |
776 |
|
|
777 |
/* Relocate elements of the list on the stack. */ |
/* Relocate elements of the list on the stack. */ |
849 |
return; |
return; |
850 |
} |
} |
851 |
|
|
852 |
val= env->head->item->content.val; |
val= env->head->item->content.i; |
853 |
toss(env); |
toss(env); |
854 |
push_int(env, !val); |
push_int(env, !val); |
855 |
} |
} |
892 |
/* Quit stack. */ |
/* Quit stack. */ |
893 |
extern void quit(environment *env) |
extern void quit(environment *env) |
894 |
{ |
{ |
895 |
long i; |
int i; |
896 |
|
|
897 |
clear(env); |
clear(env); |
898 |
|
|
905 |
} |
} |
906 |
|
|
907 |
env->gc_limit= 0; |
env->gc_limit= 0; |
908 |
gc_init(env); |
gc_maybe(env); |
909 |
|
|
910 |
if(env->free_string!=NULL) |
if(env->free_string!=NULL) |
911 |
free(env->free_string); |
free(env->free_string); |
938 |
} |
} |
939 |
|
|
940 |
/* Internal forget function */ |
/* Internal forget function */ |
941 |
void forget_sym(symbol **hash_entry) { |
void forget_sym(symbol **hash_entry) |
942 |
|
{ |
943 |
symbol *temp; |
symbol *temp; |
944 |
|
|
945 |
temp= *hash_entry; |
temp= *hash_entry; |
974 |
} |
} |
975 |
|
|
976 |
/* Returns the current error number to the stack */ |
/* Returns the current error number to the stack */ |
977 |
extern void errn(environment *env){ |
extern void errn(environment *env) |
978 |
|
{ |
979 |
push_int(env, env->err); |
push_int(env, env->err); |
980 |
} |
} |
981 |
|
|
1044 |
toss(&myenv); /* No error check in main */ |
toss(&myenv); /* No error check in main */ |
1045 |
eval(&myenv); |
eval(&myenv); |
1046 |
} |
} |
1047 |
gc_init(&myenv); |
gc_maybe(&myenv); |
1048 |
} |
} |
1049 |
quit(&myenv); |
quit(&myenv); |
1050 |
return EXIT_FAILURE; |
return EXIT_FAILURE; |
1051 |
} |
} |
1052 |
|
|
1053 |
/* "+" */ |
/* "+" */ |
1054 |
extern void sx_2b(environment *env) { |
extern void sx_2b(environment *env) |
1055 |
|
{ |
1056 |
int a, b; |
int a, b; |
1057 |
|
float fa, fb; |
1058 |
size_t len; |
size_t len; |
1059 |
char* new_string; |
char* new_string; |
1060 |
value *a_val, *b_val; |
value *a_val, *b_val; |
1069 |
&& env->head->next->item->type==string) { |
&& env->head->next->item->type==string) { |
1070 |
a_val= env->head->item; |
a_val= env->head->item; |
1071 |
b_val= env->head->next->item; |
b_val= env->head->next->item; |
1072 |
protect(env, a_val); protect(env, b_val); |
protect(a_val); protect(b_val); |
1073 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1074 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1075 |
len= strlen(a_val->content.ptr)+strlen(b_val->content.ptr)+1; |
len= strlen(a_val->content.ptr)+strlen(b_val->content.ptr)+1; |
1077 |
strcpy(new_string, b_val->content.ptr); |
strcpy(new_string, b_val->content.ptr); |
1078 |
strcat(new_string, a_val->content.ptr); |
strcat(new_string, a_val->content.ptr); |
1079 |
push_cstring(env, new_string); |
push_cstring(env, new_string); |
1080 |
unprotect(env); unprotect(env); |
unprotect(a_val); unprotect(b_val); |
1081 |
free(new_string); |
free(new_string); |
1082 |
|
|
1083 |
return; |
return; |
1084 |
} |
} |
1085 |
|
|
1086 |
if(env->head->item->type!=integer |
if(env->head->item->type==integer |
1087 |
|| env->head->next->item->type!=integer) { |
&& env->head->next->item->type==integer) { |
1088 |
printerr("Bad Argument Type"); |
a=env->head->item->content.i; |
1089 |
env->err=2; |
toss(env); if(env->err) return; |
1090 |
|
b=env->head->item->content.i; |
1091 |
|
toss(env); if(env->err) return; |
1092 |
|
push_int(env, b+a); |
1093 |
|
|
1094 |
return; |
return; |
1095 |
} |
} |
1096 |
a= env->head->item->content.val; |
|
1097 |
toss(env); if(env->err) return; |
if(env->head->item->type==tfloat |
1098 |
|
&& env->head->next->item->type==tfloat) { |
1099 |
b= env->head->item->content.val; |
fa= env->head->item->content.f; |
1100 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1101 |
push_int(env, a+b); |
fb= env->head->item->content.f; |
1102 |
|
toss(env); if(env->err) return; |
1103 |
|
push_float(env, fb+fa); |
1104 |
|
|
1105 |
|
return; |
1106 |
|
} |
1107 |
|
|
1108 |
|
if(env->head->item->type==tfloat |
1109 |
|
&& env->head->next->item->type==integer) { |
1110 |
|
fa= env->head->item->content.f; |
1111 |
|
toss(env); if(env->err) return; |
1112 |
|
b= env->head->item->content.i; |
1113 |
|
toss(env); if(env->err) return; |
1114 |
|
push_float(env, b+fa); |
1115 |
|
|
1116 |
|
return; |
1117 |
|
} |
1118 |
|
|
1119 |
|
if(env->head->item->type==integer |
1120 |
|
&& env->head->next->item->type==tfloat) { |
1121 |
|
a= env->head->item->content.i; |
1122 |
|
toss(env); if(env->err) return; |
1123 |
|
fb= env->head->item->content.f; |
1124 |
|
toss(env); if(env->err) return; |
1125 |
|
push_float(env, fb+a); |
1126 |
|
|
1127 |
|
return; |
1128 |
|
} |
1129 |
|
|
1130 |
|
printerr("Bad Argument Type"); |
1131 |
|
env->err=2; |
1132 |
} |
} |
1133 |
|
|
1134 |
/* "-" */ |
/* "-" */ |
1135 |
extern void sx_2d(environment *env) { |
extern void sx_2d(environment *env) |
1136 |
|
{ |
1137 |
int a, b; |
int a, b; |
1138 |
|
float fa, fb; |
1139 |
|
|
1140 |
if((env->head)==NULL || env->head->next==NULL) { |
if((env->head)==NULL || env->head->next==NULL) { |
1141 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1143 |
return; |
return; |
1144 |
} |
} |
1145 |
|
|
1146 |
if(env->head->item->type!=integer |
if(env->head->item->type==integer |
1147 |
|| env->head->next->item->type!=integer) { |
&& env->head->next->item->type==integer) { |
1148 |
printerr("Bad Argument Type"); |
a=env->head->item->content.i; |
1149 |
env->err=2; |
toss(env); if(env->err) return; |
1150 |
|
b=env->head->item->content.i; |
1151 |
|
toss(env); if(env->err) return; |
1152 |
|
push_int(env, b-a); |
1153 |
|
|
1154 |
return; |
return; |
1155 |
} |
} |
1156 |
|
|
1157 |
a=env->head->item->content.val; |
if(env->head->item->type==tfloat |
1158 |
toss(env); if(env->err) return; |
&& env->head->next->item->type==tfloat) { |
1159 |
b=env->head->item->content.val; |
fa= env->head->item->content.f; |
1160 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1161 |
push_int(env, b-a); |
fb= env->head->item->content.f; |
1162 |
|
toss(env); if(env->err) return; |
1163 |
|
push_float(env, fb-fa); |
1164 |
|
|
1165 |
|
return; |
1166 |
|
} |
1167 |
|
|
1168 |
|
if(env->head->item->type==tfloat |
1169 |
|
&& env->head->next->item->type==integer) { |
1170 |
|
fa= env->head->item->content.f; |
1171 |
|
toss(env); if(env->err) return; |
1172 |
|
b= env->head->item->content.i; |
1173 |
|
toss(env); if(env->err) return; |
1174 |
|
push_float(env, b-fa); |
1175 |
|
|
1176 |
|
return; |
1177 |
|
} |
1178 |
|
|
1179 |
|
if(env->head->item->type==integer |
1180 |
|
&& env->head->next->item->type==tfloat) { |
1181 |
|
a= env->head->item->content.i; |
1182 |
|
toss(env); if(env->err) return; |
1183 |
|
fb= env->head->item->content.f; |
1184 |
|
toss(env); if(env->err) return; |
1185 |
|
push_float(env, fb-a); |
1186 |
|
|
1187 |
|
return; |
1188 |
|
} |
1189 |
|
|
1190 |
|
printerr("Bad Argument Type"); |
1191 |
|
env->err=2; |
1192 |
} |
} |
1193 |
|
|
1194 |
/* ">" */ |
/* ">" */ |
1195 |
extern void sx_3e(environment *env) { |
extern void sx_3e(environment *env) |
1196 |
|
{ |
1197 |
int a, b; |
int a, b; |
1198 |
|
float fa, fb; |
1199 |
|
|
1200 |
if((env->head)==NULL || env->head->next==NULL) { |
if((env->head)==NULL || env->head->next==NULL) { |
1201 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1203 |
return; |
return; |
1204 |
} |
} |
1205 |
|
|
1206 |
if(env->head->item->type!=integer |
if(env->head->item->type==integer |
1207 |
|| env->head->next->item->type!=integer) { |
&& env->head->next->item->type==integer) { |
1208 |
printerr("Bad Argument Type"); |
a=env->head->item->content.i; |
1209 |
env->err=2; |
toss(env); if(env->err) return; |
1210 |
|
b=env->head->item->content.i; |
1211 |
|
toss(env); if(env->err) return; |
1212 |
|
push_int(env, b>a); |
1213 |
|
|
1214 |
return; |
return; |
1215 |
} |
} |
1216 |
|
|
1217 |
a=env->head->item->content.val; |
if(env->head->item->type==tfloat |
1218 |
toss(env); if(env->err) return; |
&& env->head->next->item->type==tfloat) { |
1219 |
b=env->head->item->content.val; |
fa= env->head->item->content.f; |
1220 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1221 |
push_int(env, b>a); |
fb= env->head->item->content.f; |
1222 |
|
toss(env); if(env->err) return; |
1223 |
|
push_int(env, fb>fa); |
1224 |
|
|
1225 |
|
return; |
1226 |
|
} |
1227 |
|
|
1228 |
|
if(env->head->item->type==tfloat |
1229 |
|
&& env->head->next->item->type==integer) { |
1230 |
|
fa= env->head->item->content.f; |
1231 |
|
toss(env); if(env->err) return; |
1232 |
|
b= env->head->item->content.i; |
1233 |
|
toss(env); if(env->err) return; |
1234 |
|
push_int(env, b>fa); |
1235 |
|
|
1236 |
|
return; |
1237 |
|
} |
1238 |
|
|
1239 |
|
if(env->head->item->type==integer |
1240 |
|
&& env->head->next->item->type==tfloat) { |
1241 |
|
a= env->head->item->content.i; |
1242 |
|
toss(env); if(env->err) return; |
1243 |
|
fb= env->head->item->content.f; |
1244 |
|
toss(env); if(env->err) return; |
1245 |
|
push_int(env, fb>a); |
1246 |
|
|
1247 |
|
return; |
1248 |
|
} |
1249 |
|
|
1250 |
|
printerr("Bad Argument Type"); |
1251 |
|
env->err=2; |
1252 |
|
} |
1253 |
|
|
1254 |
|
/* "<" */ |
1255 |
|
extern void sx_3c(environment *env) |
1256 |
|
{ |
1257 |
|
swap(env); if(env->err) return; |
1258 |
|
sx_3e(env); |
1259 |
|
} |
1260 |
|
|
1261 |
|
/* "<=" */ |
1262 |
|
extern void sx_3c3d(environment *env) |
1263 |
|
{ |
1264 |
|
sx_3e(env); if(env->err) return; |
1265 |
|
not(env); |
1266 |
|
} |
1267 |
|
|
1268 |
|
/* ">=" */ |
1269 |
|
extern void sx_3e3d(environment *env) |
1270 |
|
{ |
1271 |
|
sx_3c(env); if(env->err) return; |
1272 |
|
not(env); |
1273 |
} |
} |
1274 |
|
|
1275 |
/* Return copy of a value */ |
/* Return copy of a value */ |
1276 |
value *copy_val(environment *env, value *old_value){ |
value *copy_val(environment *env, value *old_value) |
1277 |
|
{ |
1278 |
stackitem *old_item, *new_item, *prev_item; |
stackitem *old_item, *new_item, *prev_item; |
1279 |
|
value *new_value; |
1280 |
|
|
1281 |
value *new_value= new_val(env); |
protect(old_value); |
1282 |
|
new_value= new_val(env); |
1283 |
protect(env, old_value); |
protect(new_value); |
1284 |
new_value->type= old_value->type; |
new_value->type= old_value->type; |
1285 |
|
|
1286 |
switch(old_value->type){ |
switch(old_value->type){ |
1287 |
|
case tfloat: |
1288 |
case integer: |
case integer: |
1289 |
new_value->content.val= old_value->content.val; |
case func: |
1290 |
|
case symb: |
1291 |
|
new_value->content= old_value->content; |
1292 |
break; |
break; |
1293 |
case string: |
case string: |
1294 |
(char *)(new_value->content.ptr)= |
(char *)(new_value->content.ptr)= |
1295 |
strdup((char *)(old_value->content.ptr)); |
strdup((char *)(old_value->content.ptr)); |
1296 |
break; |
break; |
|
case func: |
|
|
case symb: |
|
|
new_value->content.ptr= old_value->content.ptr; |
|
|
break; |
|
1297 |
case list: |
case list: |
1298 |
new_value->content.ptr= NULL; |
new_value->content.ptr= NULL; |
1299 |
|
|
1315 |
break; |
break; |
1316 |
} |
} |
1317 |
|
|
1318 |
unprotect(env); |
unprotect(old_value); unprotect(new_value); |
1319 |
|
|
1320 |
return new_value; |
return new_value; |
1321 |
} |
} |
1322 |
|
|
1323 |
/* "dup"; duplicates an item on the stack */ |
/* "dup"; duplicates an item on the stack */ |
1324 |
extern void sx_647570(environment *env) { |
extern void sx_647570(environment *env) |
1325 |
|
{ |
1326 |
if((env->head)==NULL) { |
if((env->head)==NULL) { |
1327 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1328 |
env->err= 1; |
env->err= 1; |
1332 |
} |
} |
1333 |
|
|
1334 |
/* "if", If-Then */ |
/* "if", If-Then */ |
1335 |
extern void sx_6966(environment *env) { |
extern void sx_6966(environment *env) |
1336 |
|
{ |
1337 |
int truth; |
int truth; |
1338 |
|
|
1339 |
if((env->head)==NULL || env->head->next==NULL) { |
if((env->head)==NULL || env->head->next==NULL) { |
1351 |
swap(env); |
swap(env); |
1352 |
if(env->err) return; |
if(env->err) return; |
1353 |
|
|
1354 |
truth=env->head->item->content.val; |
truth=env->head->item->content.i; |
1355 |
|
|
1356 |
toss(env); |
toss(env); |
1357 |
if(env->err) return; |
if(env->err) return; |
1363 |
} |
} |
1364 |
|
|
1365 |
/* If-Then-Else */ |
/* If-Then-Else */ |
1366 |
extern void ifelse(environment *env) { |
extern void ifelse(environment *env) |
1367 |
|
{ |
1368 |
int truth; |
int truth; |
1369 |
|
|
1370 |
if((env->head)==NULL || env->head->next==NULL |
if((env->head)==NULL || env->head->next==NULL |
1383 |
rot(env); |
rot(env); |
1384 |
if(env->err) return; |
if(env->err) return; |
1385 |
|
|
1386 |
truth=env->head->item->content.val; |
truth=env->head->item->content.i; |
1387 |
|
|
1388 |
toss(env); |
toss(env); |
1389 |
if(env->err) return; |
if(env->err) return; |
1399 |
} |
} |
1400 |
|
|
1401 |
/* "while" */ |
/* "while" */ |
1402 |
extern void sx_7768696c65(environment *env) { |
extern void sx_7768696c65(environment *env) |
1403 |
|
{ |
1404 |
int truth; |
int truth; |
1405 |
value *loop, *test; |
value *loop, *test; |
1406 |
|
|
1411 |
} |
} |
1412 |
|
|
1413 |
loop= env->head->item; |
loop= env->head->item; |
1414 |
protect(env, loop); |
protect(loop); |
1415 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1416 |
|
|
1417 |
test= env->head->item; |
test= env->head->item; |
1418 |
protect(env, test); |
protect(test); |
1419 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1420 |
|
|
1421 |
do { |
do { |
1428 |
return; |
return; |
1429 |
} |
} |
1430 |
|
|
1431 |
truth= env->head->item->content.val; |
truth= env->head->item->content.i; |
1432 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1433 |
|
|
1434 |
if(truth) { |
if(truth) { |
1440 |
|
|
1441 |
} while(truth); |
} while(truth); |
1442 |
|
|
1443 |
unprotect(env); unprotect(env); |
unprotect(loop); unprotect(test); |
1444 |
} |
} |
1445 |
|
|
1446 |
|
|
1447 |
/* "for"; for-loop */ |
/* "for"; for-loop */ |
1448 |
extern void sx_666f72(environment *env) { |
extern void sx_666f72(environment *env) |
1449 |
|
{ |
1450 |
value *loop; |
value *loop; |
1451 |
int foo1, foo2; |
int foo1, foo2; |
1452 |
|
|
1465 |
} |
} |
1466 |
|
|
1467 |
loop= env->head->item; |
loop= env->head->item; |
1468 |
protect(env, loop); |
protect(loop); |
1469 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1470 |
|
|
1471 |
foo2= env->head->item->content.val; |
foo2= env->head->item->content.i; |
1472 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1473 |
|
|
1474 |
foo1= env->head->item->content.val; |
foo1= env->head->item->content.i; |
1475 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1476 |
|
|
1477 |
if(foo1<=foo2) { |
if(foo1<=foo2) { |
1489 |
foo1--; |
foo1--; |
1490 |
} |
} |
1491 |
} |
} |
1492 |
unprotect(env); |
unprotect(loop); |
1493 |
} |
} |
1494 |
|
|
1495 |
/* Variant of for-loop */ |
/* Variant of for-loop */ |
1496 |
extern void foreach(environment *env) { |
extern void foreach(environment *env) |
1497 |
|
{ |
1498 |
value *loop, *foo; |
value *loop, *foo; |
1499 |
stackitem *iterator; |
stackitem *iterator; |
1500 |
|
|
1511 |
} |
} |
1512 |
|
|
1513 |
loop= env->head->item; |
loop= env->head->item; |
1514 |
protect(env, loop); |
protect(loop); |
1515 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1516 |
|
|
1517 |
foo= env->head->item; |
foo= env->head->item; |
1518 |
protect(env, foo); |
protect(foo); |
1519 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1520 |
|
|
1521 |
iterator= foo->content.ptr; |
iterator= foo->content.ptr; |
1526 |
eval(env); if(env->err) return; |
eval(env); if(env->err) return; |
1527 |
iterator= iterator->next; |
iterator= iterator->next; |
1528 |
} |
} |
1529 |
unprotect(env); unprotect(env); |
unprotect(loop); unprotect(foo); |
1530 |
} |
} |
1531 |
|
|
1532 |
/* "to" */ |
/* "to" */ |
1533 |
extern void to(environment *env) { |
extern void to(environment *env) |
1534 |
int i, start, ending; |
{ |
1535 |
stackitem *temp_head; |
int ending, start, i; |
1536 |
value *temp_val; |
stackitem *iterator, *temp; |
1537 |
|
value *pack; |
1538 |
|
|
1539 |
if((env->head)==NULL || env->head->next==NULL) { |
if((env->head)==NULL || env->head->next==NULL) { |
1540 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1541 |
env->err=1; |
env->err=1; |
1549 |
return; |
return; |
1550 |
} |
} |
1551 |
|
|
1552 |
ending= env->head->item->content.val; |
ending= env->head->item->content.i; |
1553 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1554 |
start= env->head->item->content.val; |
start= env->head->item->content.i; |
1555 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1556 |
|
|
1557 |
temp_head= env->head; |
push_sym(env, "["); |
|
env->head= NULL; |
|
1558 |
|
|
1559 |
if(ending>=start) { |
if(ending>=start) { |
1560 |
for(i= ending; i>=start; i--) |
for(i= ending; i>=start; i--) |
1564 |
push_int(env, i); |
push_int(env, i); |
1565 |
} |
} |
1566 |
|
|
1567 |
temp_val= new_val(env); |
iterator= env->head; |
1568 |
temp_val->content.ptr= env->head; |
pack= new_val(env); |
1569 |
temp_val->type= list; |
protect(pack); |
1570 |
env->head= temp_head; |
|
1571 |
push_val(env, temp_val); |
if(iterator==NULL |
1572 |
|
|| (iterator->item->type==symb |
1573 |
|
&& ((symbol*)(iterator->item->content.ptr))->id[0]=='[')) { |
1574 |
|
temp= NULL; |
1575 |
|
toss(env); |
1576 |
|
} else { |
1577 |
|
/* Search for first delimiter */ |
1578 |
|
while(iterator->next!=NULL |
1579 |
|
&& (iterator->next->item->type!=symb |
1580 |
|
|| ((symbol*)(iterator->next->item->content.ptr))->id[0]!='[')) |
1581 |
|
iterator= iterator->next; |
1582 |
|
|
1583 |
|
/* Extract list */ |
1584 |
|
temp= env->head; |
1585 |
|
env->head= iterator->next; |
1586 |
|
iterator->next= NULL; |
1587 |
|
|
1588 |
|
pack->type= list; |
1589 |
|
pack->content.ptr= temp; |
1590 |
|
|
1591 |
|
if(env->head!=NULL) |
1592 |
|
toss(env); |
1593 |
|
} |
1594 |
|
|
1595 |
|
/* Push list */ |
1596 |
|
|
1597 |
|
push_val(env, pack); |
1598 |
|
|
1599 |
|
unprotect(pack); |
1600 |
} |
} |
1601 |
|
|
1602 |
/* Read a string */ |
/* Read a string */ |
1603 |
extern void readline(environment *env) { |
extern void readline(environment *env) |
1604 |
|
{ |
1605 |
char in_string[101]; |
char in_string[101]; |
1606 |
|
|
1607 |
if(fgets(in_string, 100, env->inputstream)==NULL) |
if(fgets(in_string, 100, env->inputstream)==NULL) |
1611 |
} |
} |
1612 |
|
|
1613 |
/* "read"; Read a value and place on stack */ |
/* "read"; Read a value and place on stack */ |
1614 |
extern void sx_72656164(environment *env) { |
extern void sx_72656164(environment *env) |
1615 |
|
{ |
1616 |
const char symbform[]= "%[a-zA-Z0-9!$%*+./:<=>?@^_~-]%n"; |
const char symbform[]= "%[a-zA-Z0-9!$%*+./:<=>?@^_~-]%n"; |
1617 |
const char strform[]= "\"%[^\"]\"%n"; |
const char strform[]= "\"%[^\"]\"%n"; |
1618 |
const char intform[]= "%i%n"; |
const char intform[]= "%i%n"; |
1619 |
|
const char fltform[]= "%f%n"; |
1620 |
const char blankform[]= "%*[ \t]%n"; |
const char blankform[]= "%*[ \t]%n"; |
1621 |
const char ebrackform[]= "]%n"; |
const char ebrackform[]= "]%n"; |
1622 |
const char semicform[]= ";%n"; |
const char semicform[]= ";%n"; |
1623 |
const char bbrackform[]= "[%n"; |
const char bbrackform[]= "[%n"; |
1624 |
|
|
1625 |
int itemp, readlength= -1; |
int itemp, readlength= -1; |
1626 |
|
int count= -1; |
1627 |
|
float ftemp; |
1628 |
static int depth= 0; |
static int depth= 0; |
1629 |
char *match; |
char *match, *ctemp; |
1630 |
size_t inlength; |
size_t inlength; |
1631 |
|
|
1632 |
if(env->in_string==NULL) { |
if(env->in_string==NULL) { |
1649 |
inlength= strlen(env->in_string)+1; |
inlength= strlen(env->in_string)+1; |
1650 |
match= malloc(inlength); |
match= malloc(inlength); |
1651 |
|
|
1652 |
if(sscanf(env->in_string, blankform, &readlength)!=EOF |
if(sscanf(env->in_string, blankform, &readlength) != EOF |
1653 |
&& readlength != -1) { |
&& readlength != -1) { |
1654 |
; |
; |
1655 |
} else if(sscanf(env->in_string, intform, &itemp, &readlength) != EOF |
} else if(sscanf(env->in_string, fltform, &ftemp, &readlength) != EOF |
1656 |
&& readlength != -1) { |
&& readlength != -1) { |
1657 |
push_int(env, itemp); |
if(sscanf(env->in_string, intform, &itemp, &count) != EOF |
1658 |
|
&& count==readlength) { |
1659 |
|
push_int(env, itemp); |
1660 |
|
} else { |
1661 |
|
push_float(env, ftemp); |
1662 |
|
} |
1663 |
} else if(sscanf(env->in_string, strform, match, &readlength) != EOF |
} else if(sscanf(env->in_string, strform, match, &readlength) != EOF |
1664 |
&& readlength != -1) { |
&& readlength != -1) { |
1665 |
push_cstring(env, match); |
push_cstring(env, match); |
1681 |
free(env->free_string); |
free(env->free_string); |
1682 |
env->in_string = env->free_string = NULL; |
env->in_string = env->free_string = NULL; |
1683 |
} |
} |
1684 |
if ( env->in_string != NULL) { |
if (env->in_string != NULL) { |
1685 |
env->in_string += readlength; |
env->in_string += readlength; |
1686 |
} |
} |
1687 |
|
|
1691 |
return sx_72656164(env); |
return sx_72656164(env); |
1692 |
} |
} |
1693 |
|
|
1694 |
extern void beep(environment *env) { |
extern void beep(environment *env) |
1695 |
|
{ |
1696 |
int freq, dur, period, ticks; |
int freq, dur, period, ticks; |
1697 |
|
|
1698 |
if((env->head)==NULL || env->head->next==NULL) { |
if((env->head)==NULL || env->head->next==NULL) { |
1708 |
return; |
return; |
1709 |
} |
} |
1710 |
|
|
1711 |
dur=env->head->item->content.val; |
dur=env->head->item->content.i; |
1712 |
toss(env); |
toss(env); |
1713 |
freq=env->head->item->content.val; |
freq=env->head->item->content.i; |
1714 |
toss(env); |
toss(env); |
1715 |
|
|
1716 |
period=1193180/freq; /* convert freq from Hz to period |
period=1193180/freq; /* convert freq from Hz to period |
1732 |
default: |
default: |
1733 |
abort(); |
abort(); |
1734 |
} |
} |
1735 |
}; |
} |
1736 |
|
|
1737 |
/* "wait" */ |
/* "wait" */ |
1738 |
extern void sx_77616974(environment *env) { |
extern void sx_77616974(environment *env) |
1739 |
|
{ |
1740 |
int dur; |
int dur; |
1741 |
|
|
1742 |
if((env->head)==NULL) { |
if((env->head)==NULL) { |
1751 |
return; |
return; |
1752 |
} |
} |
1753 |
|
|
1754 |
dur=env->head->item->content.val; |
dur=env->head->item->content.i; |
1755 |
toss(env); |
toss(env); |
1756 |
|
|
1757 |
usleep(dur); |
usleep(dur); |
1758 |
}; |
} |
1759 |
|
|
1760 |
extern void copying(environment *env){ |
extern void copying(environment *env) |
1761 |
|
{ |
1762 |
printf("GNU GENERAL PUBLIC LICENSE\n\ |
printf("GNU GENERAL PUBLIC LICENSE\n\ |
1763 |
Version 2, June 1991\n\ |
Version 2, June 1991\n\ |
1764 |
\n\ |
\n\ |
2017 |
of promoting the sharing and reuse of software generally.\n"); |
of promoting the sharing and reuse of software generally.\n"); |
2018 |
} |
} |
2019 |
|
|
2020 |
extern void warranty(environment *env){ |
extern void warranty(environment *env) |
2021 |
|
{ |
2022 |
printf(" NO WARRANTY\n\ |
printf(" NO WARRANTY\n\ |
2023 |
\n\ |
\n\ |
2024 |
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY\n\ |
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY\n\ |
2041 |
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE\n\ |
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE\n\ |
2042 |
POSSIBILITY OF SUCH DAMAGES.\n"); |
POSSIBILITY OF SUCH DAMAGES.\n"); |
2043 |
} |
} |
2044 |
|
|
2045 |
|
/* "*" */ |
2046 |
|
extern void sx_2a(environment *env) |
2047 |
|
{ |
2048 |
|
int a, b; |
2049 |
|
float fa, fb; |
2050 |
|
|
2051 |
|
if((env->head)==NULL || env->head->next==NULL) { |
2052 |
|
printerr("Too Few Arguments"); |
2053 |
|
env->err=1; |
2054 |
|
return; |
2055 |
|
} |
2056 |
|
|
2057 |
|
if(env->head->item->type==integer |
2058 |
|
&& env->head->next->item->type==integer) { |
2059 |
|
a=env->head->item->content.i; |
2060 |
|
toss(env); if(env->err) return; |
2061 |
|
b=env->head->item->content.i; |
2062 |
|
toss(env); if(env->err) return; |
2063 |
|
push_int(env, b*a); |
2064 |
|
|
2065 |
|
return; |
2066 |
|
} |
2067 |
|
|
2068 |
|
if(env->head->item->type==tfloat |
2069 |
|
&& env->head->next->item->type==tfloat) { |
2070 |
|
fa= env->head->item->content.f; |
2071 |
|
toss(env); if(env->err) return; |
2072 |
|
fb= env->head->item->content.f; |
2073 |
|
toss(env); if(env->err) return; |
2074 |
|
push_float(env, fb*fa); |
2075 |
|
|
2076 |
|
return; |
2077 |
|
} |
2078 |
|
|
2079 |
|
if(env->head->item->type==tfloat |
2080 |
|
&& env->head->next->item->type==integer) { |
2081 |
|
fa= env->head->item->content.f; |
2082 |
|
toss(env); if(env->err) return; |
2083 |
|
b= env->head->item->content.i; |
2084 |
|
toss(env); if(env->err) return; |
2085 |
|
push_float(env, b*fa); |
2086 |
|
|
2087 |
|
return; |
2088 |
|
} |
2089 |
|
|
2090 |
|
if(env->head->item->type==integer |
2091 |
|
&& env->head->next->item->type==tfloat) { |
2092 |
|
a= env->head->item->content.i; |
2093 |
|
toss(env); if(env->err) return; |
2094 |
|
fb= env->head->item->content.f; |
2095 |
|
toss(env); if(env->err) return; |
2096 |
|
push_float(env, fb*a); |
2097 |
|
|
2098 |
|
return; |
2099 |
|
} |
2100 |
|
|
2101 |
|
printerr("Bad Argument Type"); |
2102 |
|
env->err=2; |
2103 |
|
} |
2104 |
|
|
2105 |
|
/* "/" */ |
2106 |
|
extern void sx_2f(environment *env) |
2107 |
|
{ |
2108 |
|
int a, b; |
2109 |
|
float fa, fb; |
2110 |
|
|
2111 |
|
if((env->head)==NULL || env->head->next==NULL) { |
2112 |
|
printerr("Too Few Arguments"); |
2113 |
|
env->err=1; |
2114 |
|
return; |
2115 |
|
} |
2116 |
|
|
2117 |
|
if(env->head->item->type==integer |
2118 |
|
&& env->head->next->item->type==integer) { |
2119 |
|
a=env->head->item->content.i; |
2120 |
|
toss(env); if(env->err) return; |
2121 |
|
b=env->head->item->content.i; |
2122 |
|
toss(env); if(env->err) return; |
2123 |
|
push_float(env, b/a); |
2124 |
|
|
2125 |
|
return; |
2126 |
|
} |
2127 |
|
|
2128 |
|
if(env->head->item->type==tfloat |
2129 |
|
&& env->head->next->item->type==tfloat) { |
2130 |
|
fa= env->head->item->content.f; |
2131 |
|
toss(env); if(env->err) return; |
2132 |
|
fb= env->head->item->content.f; |
2133 |
|
toss(env); if(env->err) return; |
2134 |
|
push_float(env, fb/fa); |
2135 |
|
|
2136 |
|
return; |
2137 |
|
} |
2138 |
|
|
2139 |
|
if(env->head->item->type==tfloat |
2140 |
|
&& env->head->next->item->type==integer) { |
2141 |
|
fa= env->head->item->content.f; |
2142 |
|
toss(env); if(env->err) return; |
2143 |
|
b= env->head->item->content.i; |
2144 |
|
toss(env); if(env->err) return; |
2145 |
|
push_float(env, b/fa); |
2146 |
|
|
2147 |
|
return; |
2148 |
|
} |
2149 |
|
|
2150 |
|
if(env->head->item->type==integer |
2151 |
|
&& env->head->next->item->type==tfloat) { |
2152 |
|
a= env->head->item->content.i; |
2153 |
|
toss(env); if(env->err) return; |
2154 |
|
fb= env->head->item->content.f; |
2155 |
|
toss(env); if(env->err) return; |
2156 |
|
push_float(env, fb/a); |
2157 |
|
|
2158 |
|
return; |
2159 |
|
} |
2160 |
|
|
2161 |
|
printerr("Bad Argument Type"); |
2162 |
|
env->err=2; |
2163 |
|
} |
2164 |
|
|
2165 |
|
/* "mod" */ |
2166 |
|
extern void mod(environment *env) |
2167 |
|
{ |
2168 |
|
int a, b; |
2169 |
|
|
2170 |
|
if((env->head)==NULL || env->head->next==NULL) { |
2171 |
|
printerr("Too Few Arguments"); |
2172 |
|
env->err= 1; |
2173 |
|
return; |
2174 |
|
} |
2175 |
|
|
2176 |
|
if(env->head->item->type==integer |
2177 |
|
&& env->head->next->item->type==integer) { |
2178 |
|
a= env->head->item->content.i; |
2179 |
|
toss(env); if(env->err) return; |
2180 |
|
b= env->head->item->content.i; |
2181 |
|
toss(env); if(env->err) return; |
2182 |
|
push_int(env, b%a); |
2183 |
|
|
2184 |
|
return; |
2185 |
|
} |
2186 |
|
|
2187 |
|
printerr("Bad Argument Type"); |
2188 |
|
env->err=2; |
2189 |
|
} |
2190 |
|
|
2191 |
|
/* "div" */ |
2192 |
|
extern void sx_646976(environment *env) |
2193 |
|
{ |
2194 |
|
int a, b; |
2195 |
|
|
2196 |
|
if((env->head)==NULL || env->head->next==NULL) { |
2197 |
|
printerr("Too Few Arguments"); |
2198 |
|
env->err= 1; |
2199 |
|
return; |
2200 |
|
} |
2201 |
|
|
2202 |
|
if(env->head->item->type==integer |
2203 |
|
&& env->head->next->item->type==integer) { |
2204 |
|
a= env->head->item->content.i; |
2205 |
|
toss(env); if(env->err) return; |
2206 |
|
b= env->head->item->content.i; |
2207 |
|
toss(env); if(env->err) return; |
2208 |
|
push_int(env, (int)b/a); |
2209 |
|
|
2210 |
|
return; |
2211 |
|
} |
2212 |
|
|
2213 |
|
printerr("Bad Argument Type"); |
2214 |
|
env->err= 2; |
2215 |
|
} |