208 |
printf("%d", (*stack_head)->content.val); |
printf("%d", (*stack_head)->content.val); |
209 |
break; |
break; |
210 |
case string: |
case string: |
211 |
printf("%s", (char*)(*stack_head)->content.ptr); |
printf("\"%s\"", (char*)(*stack_head)->content.ptr); |
212 |
break; |
break; |
213 |
case ref: |
case ref: |
214 |
printf("%s", ((stackitem*)(*stack_head)->content.ptr)->id); |
printf("%s", ((stackitem*)(*stack_head)->content.ptr)->id); |
243 |
{ |
{ |
244 |
if(*stack_head != NULL) { |
if(*stack_head != NULL) { |
245 |
print_st(*stack_head, 1); |
print_st(*stack_head, 1); |
246 |
printf("\n"); |
nl(); |
247 |
} else { |
} else { |
248 |
printerr("Stack empty"); |
printerr("Stack empty"); |
249 |
} |
} |
254 |
extern void eval(stackitem** stack_head) |
extern void eval(stackitem** stack_head) |
255 |
{ |
{ |
256 |
funcp in_func; |
funcp in_func; |
257 |
|
stackitem* temp= *stack_head; |
258 |
|
|
259 |
if((*stack_head)==NULL || (*stack_head)->type!=ref) { |
if(temp==NULL) { |
260 |
printerr("Stack empty or not a reference"); |
printerr("Stack empty"); |
261 |
return; |
return; |
262 |
} |
} |
263 |
|
|
264 |
if(((stackitem*)(*stack_head)->content.ptr)->type==func) { |
while(temp->type==ref) |
265 |
in_func= (funcp)((stackitem*)(*stack_head)->content.ptr)->content.ptr; |
temp= temp->content.ptr; |
266 |
|
|
267 |
|
if(temp->type==func) { |
268 |
|
in_func= (funcp)(temp->content.ptr); |
269 |
toss(stack_head); |
toss(stack_head); |
270 |
(*in_func)(stack_head); |
(*in_func)(stack_head); |
271 |
return; |
return; |
272 |
} else |
} |
273 |
printerr("Not a function"); |
|
274 |
|
printerr("Couldn't evaluate"); |
275 |
} |
} |
276 |
|
|
277 |
/* Make a list. */ |
/* Make a list. */ |
317 |
int itemp; |
int itemp; |
318 |
size_t inlength= strlen(in_line)+1; |
size_t inlength= strlen(in_line)+1; |
319 |
int convert= 0; |
int convert= 0; |
320 |
|
static int non_eval_flag= 0; |
321 |
|
|
322 |
temp= malloc(inlength); |
temp= malloc(inlength); |
323 |
rest= malloc(inlength); |
rest= malloc(inlength); |
340 |
break; |
break; |
341 |
} |
} |
342 |
/* If symbol */ |
/* If symbol */ |
343 |
if((convert= sscanf(in_line, "%[^] ;\n\r]%[^\n\r]", temp, rest))) { |
if((convert= sscanf(in_line, "%[^][ ;\n\r]%[^\n\r]", temp, rest))) { |
344 |
push_ref(stack_head, in_hash, temp); |
push_ref(stack_head, in_hash, temp); |
345 |
break; |
break; |
346 |
} |
} |
347 |
/* If single char */ |
/* If single char */ |
348 |
if((convert= sscanf(in_line, "%c%[^\n\r]", temp, rest))) { |
if((convert= sscanf(in_line, "%c%[^\n\r]", temp, rest))) { |
349 |
if(*temp==';') { |
if(*temp==';') { |
350 |
eval(stack_head); /* Evaluate top element */ |
if(!non_eval_flag) { |
351 |
|
eval(stack_head); /* Evaluate top element */ |
352 |
|
break; |
353 |
|
} |
354 |
|
|
355 |
|
push_ref(stack_head, in_hash, ";"); |
356 |
break; |
break; |
357 |
} |
} |
358 |
|
|
359 |
if(*temp==']') { |
if(*temp==']') { |
360 |
push_ref(stack_head, in_hash, "["); |
push_ref(stack_head, in_hash, "["); |
361 |
pack(stack_head); |
pack(stack_head); |
362 |
|
if(non_eval_flag!=0) |
363 |
|
non_eval_flag--; |
364 |
|
break; |
365 |
|
} |
366 |
|
|
367 |
|
if(*temp=='[') { |
368 |
|
push_ref(stack_head, in_hash, "["); |
369 |
|
non_eval_flag++; |
370 |
break; |
break; |
371 |
} |
} |
372 |
} |
} |