347 |
case list: |
case list: |
348 |
push_sym(env, "list"); |
push_sym(env, "list"); |
349 |
break; |
break; |
|
default: |
|
|
push_sym(env, "unknown"); |
|
|
break; |
|
350 |
} |
} |
351 |
} |
} |
352 |
|
|
358 |
printf("%d", stack_head->item->content.val); |
printf("%d", stack_head->item->content.val); |
359 |
break; |
break; |
360 |
case string: |
case string: |
361 |
printf("\"%s\"", (char*)stack_head->item->content.ptr); |
printf("%s", (char*)stack_head->item->content.ptr); |
362 |
break; |
break; |
363 |
case symb: |
case symb: |
364 |
printf("%s", ((symbol *)(stack_head->item->content.ptr))->id); |
printf("%s", ((symbol *)(stack_head->item->content.ptr))->id); |
377 |
} |
} |
378 |
printf("]"); |
printf("]"); |
379 |
break; |
break; |
|
default: |
|
|
printf("#<unknown %p>", (stack_head->item->content.ptr)); |
|
|
break; |
|
380 |
} |
} |
381 |
} |
} |
382 |
|
|
496 |
return; |
return; |
497 |
} |
} |
498 |
|
|
499 |
|
eval_start: |
500 |
|
|
501 |
switch(env->head->item->type) { |
switch(env->head->item->type) { |
502 |
/* if it's a symbol */ |
/* if it's a symbol */ |
503 |
case symb: |
case symb: |
504 |
rcl(env); /* get its contents */ |
rcl(env); /* get its contents */ |
505 |
if(env->err) return; |
if(env->err) return; |
506 |
if(env->head->item->type!=symb){ /* don't recurse symbols */ |
if(env->head->item->type!=symb){ /* don't recurse symbols */ |
507 |
eval(env); /* evaluate the value */ |
goto eval_start; |
|
return; |
|
508 |
} |
} |
509 |
break; |
return; |
510 |
|
|
511 |
/* If it's a lone function value, run it */ |
/* If it's a lone function value, run it */ |
512 |
case func: |
case func: |
513 |
in_func= (funcp)(env->head->item->content.ptr); |
in_func= (funcp)(env->head->item->content.ptr); |
514 |
toss(env); |
toss(env); |
515 |
if(env->err) return; |
if(env->err) return; |
516 |
(*in_func)(env); |
return (*in_func)(env); |
|
break; |
|
517 |
|
|
518 |
/* If it's a list */ |
/* If it's a list */ |
519 |
case list: |
case list: |
522 |
toss(env); |
toss(env); |
523 |
if(env->err) return; |
if(env->err) return; |
524 |
iterator= (stackitem*)temp_val->content.ptr; |
iterator= (stackitem*)temp_val->content.ptr; |
525 |
while(iterator!=NULL && iterator->item!=NULL) { |
while(iterator!=NULL) { |
526 |
push_val(&(env->head), iterator->item); |
push_val(&(env->head), iterator->item); |
527 |
if(env->head->item->type==symb |
if(env->head->item->type==symb |
528 |
&& strcmp(";", ((symbol*)(env->head->item->content.ptr))->id)==0) { |
&& strcmp(";", ((symbol*)(env->head->item->content.ptr))->id)==0) { |
529 |
toss(env); |
toss(env); |
530 |
if(env->err) return; |
if(env->err) return; |
531 |
|
if(iterator->next == NULL){ |
532 |
|
free_val(temp_val); |
533 |
|
goto eval_start; |
534 |
|
} |
535 |
eval(env); |
eval(env); |
536 |
if(env->err) return; |
if(env->err) return; |
537 |
} |
} |
538 |
iterator= iterator->next; |
iterator= iterator->next; |
539 |
} |
} |
540 |
free_val(temp_val); |
free_val(temp_val); |
541 |
break; |
return; |
542 |
|
|
543 |
/* If it's a string */ |
/* If it's a string */ |
544 |
case string: |
case string: |
548 |
if(env->err) return; |
if(env->err) return; |
549 |
temp_string= malloc(strlen((char*)temp_val->content.ptr)+5); |
temp_string= malloc(strlen((char*)temp_val->content.ptr)+5); |
550 |
strcpy(temp_string, "[ "); |
strcpy(temp_string, "[ "); |
551 |
strcat(temp_string, (char*)temp_val->content.ptr); |
strcpy(temp_string+2, (char*)temp_val->content.ptr); |
552 |
|
free_val(temp_val); |
553 |
strcat(temp_string, " ]"); |
strcat(temp_string, " ]"); |
554 |
stack_read(env, temp_string); |
stack_read(env, temp_string); |
|
eval(env); |
|
|
if(env->err) return; |
|
|
free_val(temp_val); |
|
555 |
free(temp_string); |
free(temp_string); |
556 |
break; |
goto eval_start; |
557 |
|
|
558 |
case integer: |
case integer: |
559 |
break; |
return; |
560 |
} |
} |
561 |
} |
} |
562 |
|
|
957 |
a=env->head->item->content.val; |
a=env->head->item->content.val; |
958 |
toss(env); |
toss(env); |
959 |
if(env->err) return; |
if(env->err) return; |
960 |
b=env->head->item->content.val; |
if(env->head->item->refcount == 1) |
961 |
|
env->head->item->content.val += a; |
962 |
|
else { |
963 |
|
b=env->head->item->content.val; |
964 |
|
toss(env); |
965 |
|
if(env->err) return; |
966 |
|
push_int(&(env->head), a+b); |
967 |
|
} |
968 |
|
} |
969 |
|
|
970 |
|
/* - */ |
971 |
|
extern void sx_2d(environment *env) { |
972 |
|
int a, b; |
973 |
|
|
974 |
|
if((env->head)==NULL || env->head->next==NULL) { |
975 |
|
printerr("Too Few Arguments"); |
976 |
|
env->err=1; |
977 |
|
return; |
978 |
|
} |
979 |
|
|
980 |
|
if(env->head->item->type!=integer |
981 |
|
|| env->head->next->item->type!=integer) { |
982 |
|
printerr("Bad Argument Type"); |
983 |
|
env->err=2; |
984 |
|
return; |
985 |
|
} |
986 |
|
a=env->head->item->content.val; |
987 |
|
toss(env); |
988 |
|
if(env->err) return; |
989 |
|
if(env->head->item->refcount == 1) |
990 |
|
env->head->item->content.val -= a; |
991 |
|
else { |
992 |
|
b=env->head->item->content.val; |
993 |
|
toss(env); |
994 |
|
if(env->err) return; |
995 |
|
push_int(&(env->head), b-a); |
996 |
|
} |
997 |
|
} |
998 |
|
|
999 |
|
/* > */ |
1000 |
|
extern void sx_3e(environment *env) { |
1001 |
|
int a, b; |
1002 |
|
|
1003 |
|
if((env->head)==NULL || env->head->next==NULL) { |
1004 |
|
printerr("Too Few Arguments"); |
1005 |
|
env->err=1; |
1006 |
|
return; |
1007 |
|
} |
1008 |
|
|
1009 |
|
if(env->head->item->type!=integer |
1010 |
|
|| env->head->next->item->type!=integer) { |
1011 |
|
printerr("Bad Argument Type"); |
1012 |
|
env->err=2; |
1013 |
|
return; |
1014 |
|
} |
1015 |
|
a=env->head->item->content.val; |
1016 |
toss(env); |
toss(env); |
1017 |
if(env->err) return; |
if(env->err) return; |
1018 |
push_int(&(env->head), a+b); |
if(env->head->item->refcount == 1) |
1019 |
|
env->head->item->content.val = (env->head->item->content.val > a); |
1020 |
|
else { |
1021 |
|
b=env->head->item->content.val; |
1022 |
|
toss(env); |
1023 |
|
if(env->err) return; |
1024 |
|
push_int(&(env->head), b>a); |
1025 |
|
} |
1026 |
} |
} |
1027 |
|
|
1028 |
/* Return copy of a value */ |
/* Return copy of a value */ |
1080 |
push_val(&(env->head), copy_val(env->head->item)); |
push_val(&(env->head), copy_val(env->head->item)); |
1081 |
} |
} |
1082 |
|
|
1083 |
/* If-Then */ |
/* "if", If-Then */ |
1084 |
extern void sx_6966(environment *env) { |
extern void sx_6966(environment *env) { |
1085 |
|
|
1086 |
int truth; |
int truth; |
1146 |
|
|
1147 |
eval(env); |
eval(env); |
1148 |
} |
} |
1149 |
|
|
1150 |
|
/* while */ |
1151 |
|
extern void sx_7768696c65(environment *env) { |
1152 |
|
|
1153 |
|
int truth; |
1154 |
|
value *loop, *test; |
1155 |
|
|
1156 |
|
if((env->head)==NULL || env->head->next==NULL) { |
1157 |
|
printerr("Too Few Arguments"); |
1158 |
|
env->err=1; |
1159 |
|
return; |
1160 |
|
} |
1161 |
|
|
1162 |
|
loop= env->head->item; |
1163 |
|
loop->refcount++; |
1164 |
|
toss(env); if(env->err) return; |
1165 |
|
|
1166 |
|
test= env->head->item; |
1167 |
|
test->refcount++; |
1168 |
|
toss(env); if(env->err) return; |
1169 |
|
|
1170 |
|
do { |
1171 |
|
push_val(&(env->head), test); |
1172 |
|
eval(env); |
1173 |
|
|
1174 |
|
if(env->head->item->type != integer) { |
1175 |
|
printerr("Bad Argument Type"); |
1176 |
|
env->err=2; |
1177 |
|
return; |
1178 |
|
} |
1179 |
|
|
1180 |
|
truth= env->head->item->content.val; |
1181 |
|
toss(env); if(env->err) return; |
1182 |
|
|
1183 |
|
if(truth) { |
1184 |
|
push_val(&(env->head), loop); |
1185 |
|
eval(env); |
1186 |
|
} else { |
1187 |
|
toss(env); |
1188 |
|
} |
1189 |
|
|
1190 |
|
} while(truth); |
1191 |
|
|
1192 |
|
free_val(test); |
1193 |
|
free_val(loop); |
1194 |
|
} |
1195 |
|
|
1196 |
|
/* For-loop */ |
1197 |
|
extern void sx_666f72(environment *env) { |
1198 |
|
|
1199 |
|
value *loop, *foo; |
1200 |
|
stackitem *iterator; |
1201 |
|
|
1202 |
|
if((env->head)==NULL || env->head->next==NULL) { |
1203 |
|
printerr("Too Few Arguments"); |
1204 |
|
env->err=1; |
1205 |
|
return; |
1206 |
|
} |
1207 |
|
|
1208 |
|
if(env->head->next->item->type != list) { |
1209 |
|
printerr("Bad Argument Type"); |
1210 |
|
env->err=2; |
1211 |
|
return; |
1212 |
|
} |
1213 |
|
|
1214 |
|
loop= env->head->item; |
1215 |
|
loop->refcount++; |
1216 |
|
toss(env); if(env->err) return; |
1217 |
|
|
1218 |
|
foo= env->head->item; |
1219 |
|
foo->refcount++; |
1220 |
|
toss(env); if(env->err) return; |
1221 |
|
|
1222 |
|
iterator= foo->content.ptr; |
1223 |
|
|
1224 |
|
while(iterator!=NULL) { |
1225 |
|
push_val(&(env->head), iterator->item); |
1226 |
|
push_val(&(env->head), loop); |
1227 |
|
eval(env); if(env->err) return; |
1228 |
|
iterator= iterator->next; |
1229 |
|
} |
1230 |
|
|
1231 |
|
free_val(loop); |
1232 |
|
free_val(foo); |
1233 |
|
} |