48 |
{ |
{ |
49 |
int i; |
int i; |
50 |
|
|
51 |
env->gc_limit= 20; |
env->gc_limit= 200; |
52 |
env->gc_count= 0; |
env->gc_count= 0; |
53 |
env->gc_ref= NULL; |
env->gc_ref= NULL; |
54 |
env->gc_protect= NULL; |
env->gc_protect= NULL; |
63 |
env->interactive= 1; |
env->interactive= 1; |
64 |
} |
} |
65 |
|
|
66 |
void printerr(const char* in_string) { |
void printerr(const char* in_string) |
67 |
|
{ |
68 |
fprintf(stderr, "Err: %s\n", in_string); |
fprintf(stderr, "Err: %s\n", in_string); |
69 |
} |
} |
70 |
|
|
82 |
env->head= env->head->next; /* Remove the top stack item */ |
env->head= env->head->next; /* Remove the top stack item */ |
83 |
free(temp); /* Free the old top stack item */ |
free(temp); /* Free the old top stack item */ |
84 |
|
|
85 |
gc_init(env); |
env->gc_limit--; |
86 |
} |
} |
87 |
|
|
88 |
/* 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. */ |
114 |
} |
} |
115 |
} |
} |
116 |
|
|
117 |
value* new_val(environment *env) { |
/* Create new value */ |
118 |
|
value* new_val(environment *env) |
119 |
|
{ |
120 |
value *nval= malloc(sizeof(value)); |
value *nval= malloc(sizeof(value)); |
121 |
stackitem *nitem= malloc(sizeof(stackitem)); |
stackitem *nitem= malloc(sizeof(stackitem)); |
122 |
|
|
123 |
nval->content.ptr= NULL; |
nval->content.ptr= NULL; |
|
protect(env, nval); |
|
|
|
|
|
gc_init(env); |
|
124 |
|
|
125 |
nitem->item= nval; |
nitem->item= nval; |
126 |
nitem->next= env->gc_ref; |
nitem->next= env->gc_ref; |
127 |
env->gc_ref= nitem; |
env->gc_ref= nitem; |
128 |
|
|
129 |
env->gc_count++; |
env->gc_count++; |
130 |
unprotect(env); |
nval->gc_garb= 1; |
131 |
|
|
132 |
return nval; |
return nval; |
133 |
} |
} |
134 |
|
|
135 |
void gc_mark(value *val) { |
/* Mark values recursively. |
136 |
|
Marked values are not collected by the GC. */ |
137 |
|
inline void gc_mark(value *val) |
138 |
|
{ |
139 |
stackitem *iterator; |
stackitem *iterator; |
140 |
|
|
141 |
if(val==NULL || val->gc_garb==0) |
if(val->gc_garb==0) |
142 |
return; |
return; |
143 |
|
|
144 |
val->gc_garb= 0; |
val->gc_garb= 0; |
153 |
} |
} |
154 |
} |
} |
155 |
|
|
156 |
extern void gc_init(environment *env) { |
inline void gc_maybe(environment *env) |
157 |
stackitem *new_head= NULL, *titem, *iterator= env->gc_ref; |
{ |
|
symbol *tsymb; |
|
|
int i; |
|
|
|
|
158 |
if(env->gc_count < env->gc_limit) |
if(env->gc_count < env->gc_limit) |
159 |
return; |
return; |
160 |
|
else |
161 |
|
return gc_init(env); |
162 |
|
} |
163 |
|
|
164 |
while(iterator!=NULL) { |
/* Start GC */ |
165 |
iterator->item->gc_garb= 1; |
extern void gc_init(environment *env) |
166 |
iterator= iterator->next; |
{ |
167 |
} |
stackitem *new_head= NULL, *titem, *iterator; |
168 |
|
symbol *tsymb; |
169 |
|
int i; |
170 |
|
|
171 |
/* Mark */ |
/* Mark protected values */ |
172 |
iterator= env->gc_protect; |
iterator= env->gc_protect; |
173 |
while(iterator!=NULL) { |
while(iterator!=NULL) { |
174 |
gc_mark(iterator->item); |
gc_mark(iterator->item); |
175 |
iterator= iterator->next; |
iterator= iterator->next; |
176 |
} |
} |
177 |
|
|
178 |
|
/* Mark values on stack */ |
179 |
iterator= env->head; |
iterator= env->head; |
180 |
while(iterator!=NULL) { |
while(iterator!=NULL) { |
181 |
gc_mark(iterator->item); |
gc_mark(iterator->item); |
182 |
iterator= iterator->next; |
iterator= iterator->next; |
183 |
} |
} |
184 |
|
|
185 |
|
/* Mark values in hashtable */ |
186 |
for(i= 0; i<HASHTBLSIZE; i++) { |
for(i= 0; i<HASHTBLSIZE; i++) { |
187 |
tsymb= env->symbols[i]; |
tsymb= env->symbols[i]; |
188 |
while(tsymb!=NULL) { |
while(tsymb!=NULL) { |
189 |
gc_mark(tsymb->val); |
if (tsymb->val != NULL) |
190 |
|
gc_mark(tsymb->val); |
191 |
tsymb= tsymb->next; |
tsymb= tsymb->next; |
192 |
} |
} |
193 |
} |
} |
194 |
|
|
195 |
env->gc_count= 0; |
env->gc_count= 0; |
196 |
|
|
197 |
/* Sweep */ |
while(env->gc_ref!=NULL) { /* Sweep unused values */ |
|
while(env->gc_ref!=NULL) { |
|
198 |
|
|
199 |
if(env->gc_ref->item->gc_garb) { |
if(env->gc_ref->item->gc_garb) { |
200 |
switch(env->gc_ref->item->type) { |
|
201 |
|
switch(env->gc_ref->item->type) { /* Remove content */ |
202 |
case string: |
case string: |
203 |
free(env->gc_ref->item->content.ptr); |
free(env->gc_ref->item->content.ptr); |
204 |
break; |
break; |
|
case integer: |
|
|
break; |
|
205 |
case list: |
case list: |
206 |
while(env->gc_ref->item->content.ptr!=NULL) { |
while(env->gc_ref->item->content.ptr!=NULL) { |
207 |
titem= env->gc_ref->item->content.ptr; |
titem= env->gc_ref->item->content.ptr; |
208 |
env->gc_ref->item->content.ptr= titem->next; |
env->gc_ref->item->content.ptr= titem->next; |
209 |
free(titem); |
free(titem); |
210 |
} |
} |
|
break; |
|
211 |
default: |
default: |
|
break; |
|
212 |
} |
} |
213 |
free(env->gc_ref->item); |
free(env->gc_ref->item); /* Remove from gc_ref */ |
214 |
titem= env->gc_ref->next; |
titem= env->gc_ref->next; |
215 |
free(env->gc_ref); |
free(env->gc_ref); /* Remove value */ |
216 |
env->gc_ref= titem; |
env->gc_ref= titem; |
217 |
} else { |
continue; |
|
titem= env->gc_ref->next; |
|
|
env->gc_ref->next= new_head; |
|
|
new_head= env->gc_ref; |
|
|
env->gc_ref= titem; |
|
|
env->gc_count++; |
|
218 |
} |
} |
219 |
|
|
220 |
|
/* Keep values */ |
221 |
|
titem= env->gc_ref->next; |
222 |
|
env->gc_ref->next= new_head; |
223 |
|
new_head= env->gc_ref; |
224 |
|
new_head->item->gc_garb= 1; |
225 |
|
env->gc_ref= titem; |
226 |
|
env->gc_count++; |
227 |
} |
} |
228 |
|
|
229 |
env->gc_limit= env->gc_count*2; |
env->gc_limit= env->gc_count*2; |
230 |
env->gc_ref= new_head; |
env->gc_ref= new_head; |
231 |
} |
} |
232 |
|
|
233 |
|
/* Protect values from GC */ |
234 |
void protect(environment *env, value *val) |
void protect(environment *env, value *val) |
235 |
{ |
{ |
236 |
stackitem *new_item= malloc(sizeof(stackitem)); |
stackitem *new_item= malloc(sizeof(stackitem)); |
239 |
env->gc_protect= new_item; |
env->gc_protect= new_item; |
240 |
} |
} |
241 |
|
|
242 |
|
/* Unprotect values from GC */ |
243 |
void unprotect(environment *env) |
void unprotect(environment *env) |
244 |
{ |
{ |
245 |
stackitem *temp= env->gc_protect; |
stackitem *temp= env->gc_protect; |
256 |
env->head= new_item; |
env->head= new_item; |
257 |
} |
} |
258 |
|
|
259 |
/* Push an integer onto the stack. */ |
/* Push an integer onto the stack */ |
260 |
void push_int(environment *env, int in_val) |
void push_int(environment *env, int in_val) |
261 |
{ |
{ |
262 |
value *new_value= new_val(env); |
value *new_value= new_val(env); |
263 |
|
|
264 |
new_value->content.val= in_val; |
new_value->content.i= in_val; |
265 |
new_value->type= integer; |
new_value->type= integer; |
266 |
|
|
267 |
push_val(env, new_value); |
push_val(env, new_value); |
268 |
} |
} |
269 |
|
|
270 |
|
/* Push a floating point number onto the stack */ |
271 |
|
void push_float(environment *env, float in_val) |
272 |
|
{ |
273 |
|
value *new_value= new_val(env); |
274 |
|
|
275 |
|
new_value->content.f= in_val; |
276 |
|
new_value->type= tfloat; |
277 |
|
|
278 |
|
push_val(env, new_value); |
279 |
|
} |
280 |
|
|
281 |
/* Copy a string onto the stack. */ |
/* Copy a string onto the stack. */ |
282 |
void push_cstring(environment *env, const char *in_string) |
void push_cstring(environment *env, const char *in_string) |
283 |
{ |
{ |
291 |
} |
} |
292 |
|
|
293 |
/* Mangle a symbol name to a valid C identifier name */ |
/* Mangle a symbol name to a valid C identifier name */ |
294 |
char *mangle_str(const char *old_string){ |
char *mangle_str(const char *old_string) |
295 |
|
{ |
296 |
char validchars[]= "0123456789abcdef"; |
char validchars[]= "0123456789abcdef"; |
297 |
char *new_string, *current; |
char *new_string, *current; |
298 |
|
|
310 |
return new_string; /* The caller must free() it */ |
return new_string; /* The caller must free() it */ |
311 |
} |
} |
312 |
|
|
313 |
extern void mangle(environment *env){ |
extern void mangle(environment *env) |
314 |
|
{ |
315 |
char *new_string; |
char *new_string; |
316 |
|
|
317 |
if((env->head)==NULL) { |
if((env->head)==NULL) { |
350 |
char *mangled; /* Mangled function name */ |
char *mangled; /* Mangled function name */ |
351 |
|
|
352 |
new_value= new_val(env); |
new_value= new_val(env); |
353 |
|
protect(env, new_value); |
354 |
|
new_fvalue= new_val(env); |
355 |
|
protect(env, new_fvalue); |
356 |
|
|
357 |
/* The new value is a symbol */ |
/* The new value is a symbol */ |
358 |
new_value->type= symb; |
new_value->type= symb; |
380 |
|
|
381 |
mangled= mangle_str(in_string); /* mangle the name */ |
mangled= mangle_str(in_string); /* mangle the name */ |
382 |
funcptr= dlsym(handle, mangled); /* and try to find it */ |
funcptr= dlsym(handle, mangled); /* and try to find it */ |
383 |
free(mangled); |
|
384 |
dlerr= dlerror(); |
dlerr= dlerror(); |
385 |
if(dlerr != NULL) { /* If no function was found */ |
if(dlerr != NULL) { /* If no function was found */ |
386 |
funcptr= dlsym(handle, in_string); /* Get function pointer */ |
funcptr= dlsym(handle, in_string); /* Get function pointer */ |
387 |
dlerr= dlerror(); |
dlerr= dlerror(); |
388 |
} |
} |
389 |
|
|
390 |
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 */ |
|
391 |
new_fvalue->type= func; /* The new value is a function pointer */ |
new_fvalue->type= func; /* The new value is a function pointer */ |
392 |
new_fvalue->content.ptr= funcptr; /* Store function pointer */ |
new_fvalue->content.ptr= funcptr; /* Store function pointer */ |
393 |
(*new_symbol)->val= new_fvalue; /* Bind the symbol to the new |
(*new_symbol)->val= new_fvalue; /* Bind the symbol to the new |
394 |
function value */ |
function value */ |
395 |
} |
} |
396 |
|
|
397 |
|
free(mangled); |
398 |
} |
} |
399 |
|
|
400 |
push_val(env, new_value); |
push_val(env, new_value); |
401 |
|
unprotect(env); unprotect(env); |
402 |
} |
} |
403 |
|
|
404 |
/* Print newline. */ |
/* Print newline. */ |
408 |
} |
} |
409 |
|
|
410 |
/* Gets the type of a value */ |
/* Gets the type of a value */ |
411 |
extern void type(environment *env){ |
extern void type(environment *env) |
412 |
|
{ |
413 |
int typenum; |
int typenum; |
414 |
|
|
415 |
if((env->head)==NULL) { |
if((env->head)==NULL) { |
423 |
case integer: |
case integer: |
424 |
push_sym(env, "integer"); |
push_sym(env, "integer"); |
425 |
break; |
break; |
426 |
|
case tfloat: |
427 |
|
push_sym(env, "float"); |
428 |
|
break; |
429 |
case string: |
case string: |
430 |
push_sym(env, "string"); |
push_sym(env, "string"); |
431 |
break; |
break; |
446 |
{ |
{ |
447 |
switch(stack_head->item->type) { |
switch(stack_head->item->type) { |
448 |
case integer: |
case integer: |
449 |
printf("%d", stack_head->item->content.val); |
printf("%d", stack_head->item->content.i); |
450 |
|
break; |
451 |
|
case tfloat: |
452 |
|
printf("%f", stack_head->item->content.f); |
453 |
break; |
break; |
454 |
case string: |
case string: |
455 |
if(noquote) |
if(noquote) |
477 |
} |
} |
478 |
} |
} |
479 |
|
|
480 |
extern void print_(environment *env) { |
extern void print_(environment *env) |
481 |
|
{ |
482 |
if(env->head==NULL) { |
if(env->head==NULL) { |
483 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
484 |
env->err=1; |
env->err=1; |
496 |
toss(env); |
toss(env); |
497 |
} |
} |
498 |
|
|
499 |
extern void princ_(environment *env) { |
extern void princ_(environment *env) |
500 |
|
{ |
501 |
if(env->head==NULL) { |
if(env->head==NULL) { |
502 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
503 |
env->err=1; |
env->err=1; |
531 |
printf("Stack Empty\n"); |
printf("Stack Empty\n"); |
532 |
return; |
return; |
533 |
} |
} |
534 |
|
|
535 |
print_st(env->head, 1); |
print_st(env->head, 1); |
536 |
} |
} |
537 |
|
|
609 |
|
|
610 |
eval_start: |
eval_start: |
611 |
|
|
612 |
|
gc_maybe(env); |
613 |
|
|
614 |
if(env->head==NULL) { |
if(env->head==NULL) { |
615 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
616 |
env->err=1; |
env->err=1; |
638 |
case list: |
case list: |
639 |
temp_val= env->head->item; |
temp_val= env->head->item; |
640 |
protect(env, temp_val); |
protect(env, temp_val); |
641 |
toss(env); |
|
642 |
if(env->err) return; |
toss(env); if(env->err) return; |
643 |
iterator= (stackitem*)temp_val->content.ptr; |
iterator= (stackitem*)temp_val->content.ptr; |
|
unprotect(env); |
|
644 |
|
|
645 |
while(iterator!=NULL) { |
while(iterator!=NULL) { |
646 |
push_val(env, iterator->item); |
push_val(env, iterator->item); |
658 |
} |
} |
659 |
iterator= iterator->next; |
iterator= iterator->next; |
660 |
} |
} |
661 |
|
unprotect(env); |
662 |
return; |
return; |
663 |
|
|
664 |
default: |
default: |
667 |
} |
} |
668 |
|
|
669 |
/* Reverse (flip) a list */ |
/* Reverse (flip) a list */ |
670 |
extern void rev(environment *env){ |
extern void rev(environment *env) |
671 |
|
{ |
672 |
stackitem *old_head, *new_head, *item; |
stackitem *old_head, *new_head, *item; |
673 |
|
|
674 |
if((env->head)==NULL) { |
if((env->head)==NULL) { |
701 |
value *pack; |
value *pack; |
702 |
|
|
703 |
iterator= env->head; |
iterator= env->head; |
704 |
|
pack= new_val(env); |
705 |
|
protect(env, pack); |
706 |
|
|
707 |
if(iterator==NULL |
if(iterator==NULL |
708 |
|| (iterator->item->type==symb |
|| (iterator->item->type==symb |
720 |
temp= env->head; |
temp= env->head; |
721 |
env->head= iterator->next; |
env->head= iterator->next; |
722 |
iterator->next= NULL; |
iterator->next= NULL; |
723 |
|
|
724 |
|
pack->type= list; |
725 |
|
pack->content.ptr= temp; |
726 |
|
|
727 |
if(env->head!=NULL) |
if(env->head!=NULL) |
728 |
toss(env); |
toss(env); |
729 |
} |
} |
730 |
|
|
731 |
/* Push list */ |
/* Push list */ |
|
pack= new_val(env); |
|
|
pack->type= list; |
|
|
pack->content.ptr= temp; |
|
732 |
|
|
733 |
push_val(env, pack); |
push_val(env, pack); |
734 |
rev(env); |
rev(env); |
735 |
|
|
736 |
|
unprotect(env); |
737 |
} |
} |
738 |
|
|
739 |
/* Relocate elements of the list on the stack. */ |
/* Relocate elements of the list on the stack. */ |
811 |
return; |
return; |
812 |
} |
} |
813 |
|
|
814 |
val= env->head->item->content.val; |
val= env->head->item->content.i; |
815 |
toss(env); |
toss(env); |
816 |
push_int(env, !val); |
push_int(env, !val); |
817 |
} |
} |
854 |
/* Quit stack. */ |
/* Quit stack. */ |
855 |
extern void quit(environment *env) |
extern void quit(environment *env) |
856 |
{ |
{ |
857 |
long i; |
int i; |
858 |
|
|
859 |
clear(env); |
clear(env); |
860 |
|
|
867 |
} |
} |
868 |
|
|
869 |
env->gc_limit= 0; |
env->gc_limit= 0; |
870 |
gc_init(env); |
gc_maybe(env); |
871 |
|
|
872 |
if(env->free_string!=NULL) |
if(env->free_string!=NULL) |
873 |
free(env->free_string); |
free(env->free_string); |
900 |
} |
} |
901 |
|
|
902 |
/* Internal forget function */ |
/* Internal forget function */ |
903 |
void forget_sym(symbol **hash_entry) { |
void forget_sym(symbol **hash_entry) |
904 |
|
{ |
905 |
symbol *temp; |
symbol *temp; |
906 |
|
|
907 |
temp= *hash_entry; |
temp= *hash_entry; |
936 |
} |
} |
937 |
|
|
938 |
/* Returns the current error number to the stack */ |
/* Returns the current error number to the stack */ |
939 |
extern void errn(environment *env){ |
extern void errn(environment *env) |
940 |
|
{ |
941 |
push_int(env, env->err); |
push_int(env, env->err); |
942 |
} |
} |
943 |
|
|
1006 |
toss(&myenv); /* No error check in main */ |
toss(&myenv); /* No error check in main */ |
1007 |
eval(&myenv); |
eval(&myenv); |
1008 |
} |
} |
1009 |
gc_init(&myenv); |
gc_maybe(&myenv); |
1010 |
} |
} |
1011 |
quit(&myenv); |
quit(&myenv); |
1012 |
return EXIT_FAILURE; |
return EXIT_FAILURE; |
1013 |
} |
} |
1014 |
|
|
1015 |
/* "+" */ |
/* "+" */ |
1016 |
extern void sx_2b(environment *env) { |
extern void sx_2b(environment *env) |
1017 |
|
{ |
1018 |
int a, b; |
int a, b; |
1019 |
|
float fa, fb; |
1020 |
size_t len; |
size_t len; |
1021 |
char* new_string; |
char* new_string; |
1022 |
value *a_val, *b_val; |
value *a_val, *b_val; |
1041 |
push_cstring(env, new_string); |
push_cstring(env, new_string); |
1042 |
unprotect(env); unprotect(env); |
unprotect(env); unprotect(env); |
1043 |
free(new_string); |
free(new_string); |
1044 |
|
|
1045 |
return; |
return; |
1046 |
} |
} |
1047 |
|
|
1048 |
if(env->head->item->type!=integer |
if(env->head->item->type==integer |
1049 |
|| env->head->next->item->type!=integer) { |
&& env->head->next->item->type==integer) { |
1050 |
printerr("Bad Argument Type"); |
a=env->head->item->content.i; |
1051 |
env->err=2; |
toss(env); if(env->err) return; |
1052 |
|
b=env->head->item->content.i; |
1053 |
|
toss(env); if(env->err) return; |
1054 |
|
push_int(env, b+a); |
1055 |
|
|
1056 |
return; |
return; |
1057 |
} |
} |
1058 |
a= env->head->item->content.val; |
|
1059 |
toss(env); if(env->err) return; |
if(env->head->item->type==tfloat |
1060 |
|
&& env->head->next->item->type==tfloat) { |
1061 |
b= env->head->item->content.val; |
fa= env->head->item->content.f; |
1062 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1063 |
push_int(env, a+b); |
fb= env->head->item->content.f; |
1064 |
|
toss(env); if(env->err) return; |
1065 |
|
push_float(env, fb+fa); |
1066 |
|
|
1067 |
|
return; |
1068 |
|
} |
1069 |
|
|
1070 |
|
if(env->head->item->type==tfloat |
1071 |
|
&& env->head->next->item->type==integer) { |
1072 |
|
fa= env->head->item->content.f; |
1073 |
|
toss(env); if(env->err) return; |
1074 |
|
b= env->head->item->content.i; |
1075 |
|
toss(env); if(env->err) return; |
1076 |
|
push_float(env, b+fa); |
1077 |
|
|
1078 |
|
return; |
1079 |
|
} |
1080 |
|
|
1081 |
|
if(env->head->item->type==integer |
1082 |
|
&& env->head->next->item->type==tfloat) { |
1083 |
|
a= env->head->item->content.i; |
1084 |
|
toss(env); if(env->err) return; |
1085 |
|
fb= env->head->item->content.f; |
1086 |
|
toss(env); if(env->err) return; |
1087 |
|
push_float(env, fb+a); |
1088 |
|
|
1089 |
|
return; |
1090 |
|
} |
1091 |
|
|
1092 |
|
printerr("Bad Argument Type"); |
1093 |
|
env->err=2; |
1094 |
} |
} |
1095 |
|
|
1096 |
/* "-" */ |
/* "-" */ |
1097 |
extern void sx_2d(environment *env) { |
extern void sx_2d(environment *env) |
1098 |
|
{ |
1099 |
int a, b; |
int a, b; |
1100 |
|
float fa, fb; |
1101 |
|
|
1102 |
if((env->head)==NULL || env->head->next==NULL) { |
if((env->head)==NULL || env->head->next==NULL) { |
1103 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1105 |
return; |
return; |
1106 |
} |
} |
1107 |
|
|
1108 |
if(env->head->item->type!=integer |
if(env->head->item->type==integer |
1109 |
|| env->head->next->item->type!=integer) { |
&& env->head->next->item->type==integer) { |
1110 |
printerr("Bad Argument Type"); |
a=env->head->item->content.i; |
1111 |
env->err=2; |
toss(env); if(env->err) return; |
1112 |
|
b=env->head->item->content.i; |
1113 |
|
toss(env); if(env->err) return; |
1114 |
|
push_int(env, b-a); |
1115 |
|
|
1116 |
return; |
return; |
1117 |
} |
} |
1118 |
|
|
1119 |
a=env->head->item->content.val; |
if(env->head->item->type==tfloat |
1120 |
toss(env); if(env->err) return; |
&& env->head->next->item->type==tfloat) { |
1121 |
b=env->head->item->content.val; |
fa= env->head->item->content.f; |
1122 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1123 |
push_int(env, b-a); |
fb= env->head->item->content.f; |
1124 |
|
toss(env); if(env->err) return; |
1125 |
|
push_float(env, fb-fa); |
1126 |
|
|
1127 |
|
return; |
1128 |
|
} |
1129 |
|
|
1130 |
|
if(env->head->item->type==tfloat |
1131 |
|
&& env->head->next->item->type==integer) { |
1132 |
|
fa= env->head->item->content.f; |
1133 |
|
toss(env); if(env->err) return; |
1134 |
|
b= env->head->item->content.i; |
1135 |
|
toss(env); if(env->err) return; |
1136 |
|
push_float(env, b-fa); |
1137 |
|
|
1138 |
|
return; |
1139 |
|
} |
1140 |
|
|
1141 |
|
if(env->head->item->type==integer |
1142 |
|
&& env->head->next->item->type==tfloat) { |
1143 |
|
a= env->head->item->content.i; |
1144 |
|
toss(env); if(env->err) return; |
1145 |
|
fb= env->head->item->content.f; |
1146 |
|
toss(env); if(env->err) return; |
1147 |
|
push_float(env, fb-a); |
1148 |
|
|
1149 |
|
return; |
1150 |
|
} |
1151 |
|
|
1152 |
|
printerr("Bad Argument Type"); |
1153 |
|
env->err=2; |
1154 |
} |
} |
1155 |
|
|
1156 |
/* ">" */ |
/* ">" */ |
1157 |
extern void sx_3e(environment *env) { |
extern void sx_3e(environment *env) |
1158 |
|
{ |
1159 |
int a, b; |
int a, b; |
1160 |
|
float fa, fb; |
1161 |
|
|
1162 |
if((env->head)==NULL || env->head->next==NULL) { |
if((env->head)==NULL || env->head->next==NULL) { |
1163 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1165 |
return; |
return; |
1166 |
} |
} |
1167 |
|
|
1168 |
if(env->head->item->type!=integer |
if(env->head->item->type==integer |
1169 |
|| env->head->next->item->type!=integer) { |
&& env->head->next->item->type==integer) { |
1170 |
printerr("Bad Argument Type"); |
a=env->head->item->content.i; |
1171 |
env->err=2; |
toss(env); if(env->err) return; |
1172 |
|
b=env->head->item->content.i; |
1173 |
|
toss(env); if(env->err) return; |
1174 |
|
push_int(env, b>a); |
1175 |
|
|
1176 |
return; |
return; |
1177 |
} |
} |
1178 |
|
|
1179 |
a=env->head->item->content.val; |
if(env->head->item->type==tfloat |
1180 |
toss(env); if(env->err) return; |
&& env->head->next->item->type==tfloat) { |
1181 |
b=env->head->item->content.val; |
fa= env->head->item->content.f; |
1182 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1183 |
push_int(env, b>a); |
fb= env->head->item->content.f; |
1184 |
|
toss(env); if(env->err) return; |
1185 |
|
push_int(env, fb>fa); |
1186 |
|
|
1187 |
|
return; |
1188 |
|
} |
1189 |
|
|
1190 |
|
if(env->head->item->type==tfloat |
1191 |
|
&& env->head->next->item->type==integer) { |
1192 |
|
fa= env->head->item->content.f; |
1193 |
|
toss(env); if(env->err) return; |
1194 |
|
b= env->head->item->content.i; |
1195 |
|
toss(env); if(env->err) return; |
1196 |
|
push_int(env, b>fa); |
1197 |
|
|
1198 |
|
return; |
1199 |
|
} |
1200 |
|
|
1201 |
|
if(env->head->item->type==integer |
1202 |
|
&& env->head->next->item->type==tfloat) { |
1203 |
|
a= env->head->item->content.i; |
1204 |
|
toss(env); if(env->err) return; |
1205 |
|
fb= env->head->item->content.f; |
1206 |
|
toss(env); if(env->err) return; |
1207 |
|
push_int(env, fb>a); |
1208 |
|
|
1209 |
|
return; |
1210 |
|
} |
1211 |
|
|
1212 |
|
printerr("Bad Argument Type"); |
1213 |
|
env->err=2; |
1214 |
|
} |
1215 |
|
|
1216 |
|
/* "<" */ |
1217 |
|
extern void sx_3c(environment *env) |
1218 |
|
{ |
1219 |
|
swap(env); if(env->err) return; |
1220 |
|
sx_3e(env); |
1221 |
|
} |
1222 |
|
|
1223 |
|
/* "<=" */ |
1224 |
|
extern void sx_3c3d(environment *env) |
1225 |
|
{ |
1226 |
|
sx_3e(env); if(env->err) return; |
1227 |
|
not(env); |
1228 |
|
} |
1229 |
|
|
1230 |
|
/* ">=" */ |
1231 |
|
extern void sx_3e3d(environment *env) |
1232 |
|
{ |
1233 |
|
sx_3c(env); if(env->err) return; |
1234 |
|
not(env); |
1235 |
} |
} |
1236 |
|
|
1237 |
/* Return copy of a value */ |
/* Return copy of a value */ |
1238 |
value *copy_val(environment *env, value *old_value){ |
value *copy_val(environment *env, value *old_value) |
1239 |
|
{ |
1240 |
stackitem *old_item, *new_item, *prev_item; |
stackitem *old_item, *new_item, *prev_item; |
1241 |
|
value *new_value; |
|
value *new_value= new_val(env); |
|
1242 |
|
|
1243 |
protect(env, old_value); |
protect(env, old_value); |
1244 |
|
new_value= new_val(env); |
1245 |
|
protect(env, new_value); |
1246 |
new_value->type= old_value->type; |
new_value->type= old_value->type; |
1247 |
|
|
1248 |
switch(old_value->type){ |
switch(old_value->type){ |
1249 |
|
case tfloat: |
1250 |
case integer: |
case integer: |
1251 |
new_value->content.val= old_value->content.val; |
case func: |
1252 |
|
case symb: |
1253 |
|
new_value->content= old_value->content; |
1254 |
break; |
break; |
1255 |
case string: |
case string: |
1256 |
(char *)(new_value->content.ptr)= |
(char *)(new_value->content.ptr)= |
1257 |
strdup((char *)(old_value->content.ptr)); |
strdup((char *)(old_value->content.ptr)); |
1258 |
break; |
break; |
|
case func: |
|
|
case symb: |
|
|
new_value->content.ptr= old_value->content.ptr; |
|
|
break; |
|
1259 |
case list: |
case list: |
1260 |
new_value->content.ptr= NULL; |
new_value->content.ptr= NULL; |
1261 |
|
|
1277 |
break; |
break; |
1278 |
} |
} |
1279 |
|
|
1280 |
unprotect(env); |
unprotect(env); unprotect(env); |
1281 |
|
|
1282 |
return new_value; |
return new_value; |
1283 |
} |
} |
1284 |
|
|
1285 |
/* "dup"; duplicates an item on the stack */ |
/* "dup"; duplicates an item on the stack */ |
1286 |
extern void sx_647570(environment *env) { |
extern void sx_647570(environment *env) |
1287 |
|
{ |
1288 |
if((env->head)==NULL) { |
if((env->head)==NULL) { |
1289 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1290 |
env->err= 1; |
env->err= 1; |
1294 |
} |
} |
1295 |
|
|
1296 |
/* "if", If-Then */ |
/* "if", If-Then */ |
1297 |
extern void sx_6966(environment *env) { |
extern void sx_6966(environment *env) |
1298 |
|
{ |
1299 |
int truth; |
int truth; |
1300 |
|
|
1301 |
if((env->head)==NULL || env->head->next==NULL) { |
if((env->head)==NULL || env->head->next==NULL) { |
1313 |
swap(env); |
swap(env); |
1314 |
if(env->err) return; |
if(env->err) return; |
1315 |
|
|
1316 |
truth=env->head->item->content.val; |
truth=env->head->item->content.i; |
1317 |
|
|
1318 |
toss(env); |
toss(env); |
1319 |
if(env->err) return; |
if(env->err) return; |
1325 |
} |
} |
1326 |
|
|
1327 |
/* If-Then-Else */ |
/* If-Then-Else */ |
1328 |
extern void ifelse(environment *env) { |
extern void ifelse(environment *env) |
1329 |
|
{ |
1330 |
int truth; |
int truth; |
1331 |
|
|
1332 |
if((env->head)==NULL || env->head->next==NULL |
if((env->head)==NULL || env->head->next==NULL |
1345 |
rot(env); |
rot(env); |
1346 |
if(env->err) return; |
if(env->err) return; |
1347 |
|
|
1348 |
truth=env->head->item->content.val; |
truth=env->head->item->content.i; |
1349 |
|
|
1350 |
toss(env); |
toss(env); |
1351 |
if(env->err) return; |
if(env->err) return; |
1361 |
} |
} |
1362 |
|
|
1363 |
/* "while" */ |
/* "while" */ |
1364 |
extern void sx_7768696c65(environment *env) { |
extern void sx_7768696c65(environment *env) |
1365 |
|
{ |
1366 |
int truth; |
int truth; |
1367 |
value *loop, *test; |
value *loop, *test; |
1368 |
|
|
1390 |
return; |
return; |
1391 |
} |
} |
1392 |
|
|
1393 |
truth= env->head->item->content.val; |
truth= env->head->item->content.i; |
1394 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1395 |
|
|
1396 |
if(truth) { |
if(truth) { |
1407 |
|
|
1408 |
|
|
1409 |
/* "for"; for-loop */ |
/* "for"; for-loop */ |
1410 |
extern void sx_666f72(environment *env) { |
extern void sx_666f72(environment *env) |
1411 |
|
{ |
1412 |
value *loop; |
value *loop; |
1413 |
int foo1, foo2; |
int foo1, foo2; |
1414 |
|
|
1430 |
protect(env, loop); |
protect(env, loop); |
1431 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1432 |
|
|
1433 |
foo2= env->head->item->content.val; |
foo2= env->head->item->content.i; |
1434 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1435 |
|
|
1436 |
foo1= env->head->item->content.val; |
foo1= env->head->item->content.i; |
1437 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1438 |
|
|
1439 |
if(foo1<=foo2) { |
if(foo1<=foo2) { |
1455 |
} |
} |
1456 |
|
|
1457 |
/* Variant of for-loop */ |
/* Variant of for-loop */ |
1458 |
extern void foreach(environment *env) { |
extern void foreach(environment *env) |
1459 |
|
{ |
1460 |
value *loop, *foo; |
value *loop, *foo; |
1461 |
stackitem *iterator; |
stackitem *iterator; |
1462 |
|
|
1492 |
} |
} |
1493 |
|
|
1494 |
/* "to" */ |
/* "to" */ |
1495 |
extern void to(environment *env) { |
extern void to(environment *env) |
1496 |
int i, start, ending; |
{ |
1497 |
stackitem *temp_head; |
int ending, start, i; |
1498 |
value *temp_val; |
stackitem *iterator, *temp; |
1499 |
|
value *pack; |
1500 |
|
|
1501 |
if((env->head)==NULL || env->head->next==NULL) { |
if((env->head)==NULL || env->head->next==NULL) { |
1502 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1503 |
env->err=1; |
env->err=1; |
1511 |
return; |
return; |
1512 |
} |
} |
1513 |
|
|
1514 |
ending= env->head->item->content.val; |
ending= env->head->item->content.i; |
1515 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1516 |
start= env->head->item->content.val; |
start= env->head->item->content.i; |
1517 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1518 |
|
|
1519 |
temp_head= env->head; |
push_sym(env, "["); |
|
env->head= NULL; |
|
1520 |
|
|
1521 |
if(ending>=start) { |
if(ending>=start) { |
1522 |
for(i= ending; i>=start; i--) |
for(i= ending; i>=start; i--) |
1526 |
push_int(env, i); |
push_int(env, i); |
1527 |
} |
} |
1528 |
|
|
1529 |
temp_val= new_val(env); |
iterator= env->head; |
1530 |
temp_val->content.ptr= env->head; |
pack= new_val(env); |
1531 |
temp_val->type= list; |
protect(env, pack); |
1532 |
env->head= temp_head; |
|
1533 |
push_val(env, temp_val); |
if(iterator==NULL |
1534 |
|
|| (iterator->item->type==symb |
1535 |
|
&& ((symbol*)(iterator->item->content.ptr))->id[0]=='[')) { |
1536 |
|
temp= NULL; |
1537 |
|
toss(env); |
1538 |
|
} else { |
1539 |
|
/* Search for first delimiter */ |
1540 |
|
while(iterator->next!=NULL |
1541 |
|
&& (iterator->next->item->type!=symb |
1542 |
|
|| ((symbol*)(iterator->next->item->content.ptr))->id[0]!='[')) |
1543 |
|
iterator= iterator->next; |
1544 |
|
|
1545 |
|
/* Extract list */ |
1546 |
|
temp= env->head; |
1547 |
|
env->head= iterator->next; |
1548 |
|
iterator->next= NULL; |
1549 |
|
|
1550 |
|
pack->type= list; |
1551 |
|
pack->content.ptr= temp; |
1552 |
|
|
1553 |
|
if(env->head!=NULL) |
1554 |
|
toss(env); |
1555 |
|
} |
1556 |
|
|
1557 |
|
/* Push list */ |
1558 |
|
|
1559 |
|
push_val(env, pack); |
1560 |
|
|
1561 |
|
unprotect(env); |
1562 |
} |
} |
1563 |
|
|
1564 |
/* Read a string */ |
/* Read a string */ |
1565 |
extern void readline(environment *env) { |
extern void readline(environment *env) |
1566 |
|
{ |
1567 |
char in_string[101]; |
char in_string[101]; |
1568 |
|
|
1569 |
if(fgets(in_string, 100, env->inputstream)==NULL) |
if(fgets(in_string, 100, env->inputstream)==NULL) |
1573 |
} |
} |
1574 |
|
|
1575 |
/* "read"; Read a value and place on stack */ |
/* "read"; Read a value and place on stack */ |
1576 |
extern void sx_72656164(environment *env) { |
extern void sx_72656164(environment *env) |
1577 |
|
{ |
1578 |
const char symbform[]= "%[a-zA-Z0-9!$%*+./:<=>?@^_~-]%n"; |
const char symbform[]= "%[a-zA-Z0-9!$%*+./:<=>?@^_~-]%n"; |
1579 |
const char strform[]= "\"%[^\"]\"%n"; |
const char strform[]= "\"%[^\"]\"%n"; |
1580 |
const char intform[]= "%i%n"; |
const char intform[]= "%i%n"; |
1581 |
|
const char fltform[]= "%f%n"; |
1582 |
const char blankform[]= "%*[ \t]%n"; |
const char blankform[]= "%*[ \t]%n"; |
1583 |
const char ebrackform[]= "]%n"; |
const char ebrackform[]= "]%n"; |
1584 |
const char semicform[]= ";%n"; |
const char semicform[]= ";%n"; |
1585 |
const char bbrackform[]= "[%n"; |
const char bbrackform[]= "[%n"; |
1586 |
|
|
1587 |
int itemp, readlength= -1; |
int itemp, readlength= -1; |
1588 |
|
int count= -1; |
1589 |
|
float ftemp; |
1590 |
static int depth= 0; |
static int depth= 0; |
1591 |
char *match; |
char *match, *ctemp; |
1592 |
size_t inlength; |
size_t inlength; |
1593 |
|
|
1594 |
if(env->in_string==NULL) { |
if(env->in_string==NULL) { |
1611 |
inlength= strlen(env->in_string)+1; |
inlength= strlen(env->in_string)+1; |
1612 |
match= malloc(inlength); |
match= malloc(inlength); |
1613 |
|
|
1614 |
if(sscanf(env->in_string, blankform, &readlength)!=EOF |
if(sscanf(env->in_string, blankform, &readlength) != EOF |
1615 |
&& readlength != -1) { |
&& readlength != -1) { |
1616 |
; |
; |
1617 |
} else if(sscanf(env->in_string, intform, &itemp, &readlength) != EOF |
} else if(sscanf(env->in_string, fltform, &ftemp, &readlength) != EOF |
1618 |
&& readlength != -1) { |
&& readlength != -1) { |
1619 |
push_int(env, itemp); |
if(sscanf(env->in_string, intform, &itemp, &count) != EOF |
1620 |
|
&& count==readlength) { |
1621 |
|
push_int(env, itemp); |
1622 |
|
} else { |
1623 |
|
push_float(env, ftemp); |
1624 |
|
} |
1625 |
} else if(sscanf(env->in_string, strform, match, &readlength) != EOF |
} else if(sscanf(env->in_string, strform, match, &readlength) != EOF |
1626 |
&& readlength != -1) { |
&& readlength != -1) { |
1627 |
push_cstring(env, match); |
push_cstring(env, match); |
1643 |
free(env->free_string); |
free(env->free_string); |
1644 |
env->in_string = env->free_string = NULL; |
env->in_string = env->free_string = NULL; |
1645 |
} |
} |
1646 |
if ( env->in_string != NULL) { |
if (env->in_string != NULL) { |
1647 |
env->in_string += readlength; |
env->in_string += readlength; |
1648 |
} |
} |
1649 |
|
|
1653 |
return sx_72656164(env); |
return sx_72656164(env); |
1654 |
} |
} |
1655 |
|
|
1656 |
extern void beep(environment *env) { |
extern void beep(environment *env) |
1657 |
|
{ |
1658 |
int freq, dur, period, ticks; |
int freq, dur, period, ticks; |
1659 |
|
|
1660 |
if((env->head)==NULL || env->head->next==NULL) { |
if((env->head)==NULL || env->head->next==NULL) { |
1670 |
return; |
return; |
1671 |
} |
} |
1672 |
|
|
1673 |
dur=env->head->item->content.val; |
dur=env->head->item->content.i; |
1674 |
toss(env); |
toss(env); |
1675 |
freq=env->head->item->content.val; |
freq=env->head->item->content.i; |
1676 |
toss(env); |
toss(env); |
1677 |
|
|
1678 |
period=1193180/freq; /* convert freq from Hz to period |
period=1193180/freq; /* convert freq from Hz to period |
1694 |
default: |
default: |
1695 |
abort(); |
abort(); |
1696 |
} |
} |
1697 |
}; |
} |
1698 |
|
|
1699 |
/* "wait" */ |
/* "wait" */ |
1700 |
extern void sx_77616974(environment *env) { |
extern void sx_77616974(environment *env) |
1701 |
|
{ |
1702 |
int dur; |
int dur; |
1703 |
|
|
1704 |
if((env->head)==NULL) { |
if((env->head)==NULL) { |
1713 |
return; |
return; |
1714 |
} |
} |
1715 |
|
|
1716 |
dur=env->head->item->content.val; |
dur=env->head->item->content.i; |
1717 |
toss(env); |
toss(env); |
1718 |
|
|
1719 |
usleep(dur); |
usleep(dur); |
1720 |
}; |
} |
1721 |
|
|
1722 |
extern void copying(environment *env){ |
extern void copying(environment *env) |
1723 |
|
{ |
1724 |
printf("GNU GENERAL PUBLIC LICENSE\n\ |
printf("GNU GENERAL PUBLIC LICENSE\n\ |
1725 |
Version 2, June 1991\n\ |
Version 2, June 1991\n\ |
1726 |
\n\ |
\n\ |
1979 |
of promoting the sharing and reuse of software generally.\n"); |
of promoting the sharing and reuse of software generally.\n"); |
1980 |
} |
} |
1981 |
|
|
1982 |
extern void warranty(environment *env){ |
extern void warranty(environment *env) |
1983 |
|
{ |
1984 |
printf(" NO WARRANTY\n\ |
printf(" NO WARRANTY\n\ |
1985 |
\n\ |
\n\ |
1986 |
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\ |
2003 |
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\ |
2004 |
POSSIBILITY OF SUCH DAMAGES.\n"); |
POSSIBILITY OF SUCH DAMAGES.\n"); |
2005 |
} |
} |
2006 |
|
|
2007 |
|
/* "*" */ |
2008 |
|
extern void sx_2a(environment *env) |
2009 |
|
{ |
2010 |
|
int a, b; |
2011 |
|
float fa, fb; |
2012 |
|
|
2013 |
|
if((env->head)==NULL || env->head->next==NULL) { |
2014 |
|
printerr("Too Few Arguments"); |
2015 |
|
env->err=1; |
2016 |
|
return; |
2017 |
|
} |
2018 |
|
|
2019 |
|
if(env->head->item->type==integer |
2020 |
|
&& env->head->next->item->type==integer) { |
2021 |
|
a=env->head->item->content.i; |
2022 |
|
toss(env); if(env->err) return; |
2023 |
|
b=env->head->item->content.i; |
2024 |
|
toss(env); if(env->err) return; |
2025 |
|
push_int(env, b*a); |
2026 |
|
|
2027 |
|
return; |
2028 |
|
} |
2029 |
|
|
2030 |
|
if(env->head->item->type==tfloat |
2031 |
|
&& env->head->next->item->type==tfloat) { |
2032 |
|
fa= env->head->item->content.f; |
2033 |
|
toss(env); if(env->err) return; |
2034 |
|
fb= env->head->item->content.f; |
2035 |
|
toss(env); if(env->err) return; |
2036 |
|
push_float(env, fb*fa); |
2037 |
|
|
2038 |
|
return; |
2039 |
|
} |
2040 |
|
|
2041 |
|
if(env->head->item->type==tfloat |
2042 |
|
&& env->head->next->item->type==integer) { |
2043 |
|
fa= env->head->item->content.f; |
2044 |
|
toss(env); if(env->err) return; |
2045 |
|
b= env->head->item->content.i; |
2046 |
|
toss(env); if(env->err) return; |
2047 |
|
push_float(env, b*fa); |
2048 |
|
|
2049 |
|
return; |
2050 |
|
} |
2051 |
|
|
2052 |
|
if(env->head->item->type==integer |
2053 |
|
&& env->head->next->item->type==tfloat) { |
2054 |
|
a= env->head->item->content.i; |
2055 |
|
toss(env); if(env->err) return; |
2056 |
|
fb= env->head->item->content.f; |
2057 |
|
toss(env); if(env->err) return; |
2058 |
|
push_float(env, fb*a); |
2059 |
|
|
2060 |
|
return; |
2061 |
|
} |
2062 |
|
|
2063 |
|
printerr("Bad Argument Type"); |
2064 |
|
env->err=2; |
2065 |
|
} |
2066 |
|
|
2067 |
|
/* "/" */ |
2068 |
|
extern void sx_2f(environment *env) |
2069 |
|
{ |
2070 |
|
int a, b; |
2071 |
|
float fa, fb; |
2072 |
|
|
2073 |
|
if((env->head)==NULL || env->head->next==NULL) { |
2074 |
|
printerr("Too Few Arguments"); |
2075 |
|
env->err=1; |
2076 |
|
return; |
2077 |
|
} |
2078 |
|
|
2079 |
|
if(env->head->item->type==integer |
2080 |
|
&& env->head->next->item->type==integer) { |
2081 |
|
a=env->head->item->content.i; |
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/a); |
2086 |
|
|
2087 |
|
return; |
2088 |
|
} |
2089 |
|
|
2090 |
|
if(env->head->item->type==tfloat |
2091 |
|
&& env->head->next->item->type==tfloat) { |
2092 |
|
fa= env->head->item->content.f; |
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/fa); |
2097 |
|
|
2098 |
|
return; |
2099 |
|
} |
2100 |
|
|
2101 |
|
if(env->head->item->type==tfloat |
2102 |
|
&& env->head->next->item->type==integer) { |
2103 |
|
fa= env->head->item->content.f; |
2104 |
|
toss(env); if(env->err) return; |
2105 |
|
b= env->head->item->content.i; |
2106 |
|
toss(env); if(env->err) return; |
2107 |
|
push_float(env, b/fa); |
2108 |
|
|
2109 |
|
return; |
2110 |
|
} |
2111 |
|
|
2112 |
|
if(env->head->item->type==integer |
2113 |
|
&& env->head->next->item->type==tfloat) { |
2114 |
|
a= env->head->item->content.i; |
2115 |
|
toss(env); if(env->err) return; |
2116 |
|
fb= env->head->item->content.f; |
2117 |
|
toss(env); if(env->err) return; |
2118 |
|
push_float(env, fb/a); |
2119 |
|
|
2120 |
|
return; |
2121 |
|
} |
2122 |
|
|
2123 |
|
printerr("Bad Argument Type"); |
2124 |
|
env->err=2; |
2125 |
|
} |
2126 |
|
|
2127 |
|
/* "mod" */ |
2128 |
|
extern void mod(environment *env) |
2129 |
|
{ |
2130 |
|
int a, b; |
2131 |
|
|
2132 |
|
if((env->head)==NULL || env->head->next==NULL) { |
2133 |
|
printerr("Too Few Arguments"); |
2134 |
|
env->err= 1; |
2135 |
|
return; |
2136 |
|
} |
2137 |
|
|
2138 |
|
if(env->head->item->type==integer |
2139 |
|
&& env->head->next->item->type==integer) { |
2140 |
|
a= env->head->item->content.i; |
2141 |
|
toss(env); if(env->err) return; |
2142 |
|
b= env->head->item->content.i; |
2143 |
|
toss(env); if(env->err) return; |
2144 |
|
push_int(env, b%a); |
2145 |
|
|
2146 |
|
return; |
2147 |
|
} |
2148 |
|
|
2149 |
|
printerr("Bad Argument Type"); |
2150 |
|
env->err=2; |
2151 |
|
} |
2152 |
|
|
2153 |
|
/* "div" */ |
2154 |
|
extern void sx_646976(environment *env) |
2155 |
|
{ |
2156 |
|
int a, b; |
2157 |
|
|
2158 |
|
if((env->head)==NULL || env->head->next==NULL) { |
2159 |
|
printerr("Too Few Arguments"); |
2160 |
|
env->err= 1; |
2161 |
|
return; |
2162 |
|
} |
2163 |
|
|
2164 |
|
if(env->head->item->type==integer |
2165 |
|
&& env->head->next->item->type==integer) { |
2166 |
|
a= env->head->item->content.i; |
2167 |
|
toss(env); if(env->err) return; |
2168 |
|
b= env->head->item->content.i; |
2169 |
|
toss(env); if(env->err) return; |
2170 |
|
push_int(env, (int)b/a); |
2171 |
|
|
2172 |
|
return; |
2173 |
|
} |
2174 |
|
|
2175 |
|
printerr("Bad Argument Type"); |
2176 |
|
env->err= 2; |
2177 |
|
} |