(obj)
register Lisp_Object obj;
{
- register Lisp_Object new, tem;
- register int i;
-
if (NILP (Vpurify_flag))
return obj;
&& (PNTR_COMPARISON_TYPE) XPNTR (obj) >= (PNTR_COMPARISON_TYPE) pure)
return obj;
-#ifdef SWITCH_ENUM_BUG
- switch ((int) XTYPE (obj))
-#else
- switch (XTYPE (obj))
-#endif
- {
- case Lisp_Misc:
- switch (XMISC (obj)->type)
- {
- case Lisp_Misc_Marker:
- error ("Attempt to copy a marker to pure storage");
-
- default:
- abort ();
- }
-
- case Lisp_Cons:
- return pure_cons (XCONS (obj)->car, XCONS (obj)->cdr);
-
+ if (CONSP (obj))
+ return pure_cons (XCONS (obj)->car, XCONS (obj)->cdr);
#ifdef LISP_FLOAT_TYPE
- case Lisp_Float:
- return make_pure_float (XFLOAT (obj)->data);
+ else if (FLOATP (obj))
+ return make_pure_float (XFLOAT (obj)->data);
#endif /* LISP_FLOAT_TYPE */
-
- case Lisp_String:
- return make_pure_string (XSTRING (obj)->data, XSTRING (obj)->size);
-
- case Lisp_Compiled:
- case Lisp_Vector:
- new = make_pure_vector (XVECTOR (obj)->size);
- for (i = 0; i < XVECTOR (obj)->size; i++)
- {
- tem = XVECTOR (obj)->contents[i];
- XVECTOR (new)->contents[i] = Fpurecopy (tem);
- }
- XSETTYPE (new, XTYPE (obj));
- return new;
-
- default:
+ else if (STRINGP (obj))
+ return make_pure_string (XSTRING (obj)->data, XSTRING (obj)->size);
+ else if (COMPILEDP (obj) || VECTORP (obj))
+ {
+ register struct Lisp_Vector *vec;
+ register int i, size;
+
+ size = XVECTOR (obj)->size;
+ vec = XVECTOR (make_pure_vector (size));
+ for (i = 0; i < size; i++)
+ vec->contents[i] = Fpurecopy (XVECTOR (obj)->contents[i]);
+ if (COMPILEDP (obj))
+ XSETCOMPILED (obj, vec);
+ else
+ XSETVECTOR (obj, vec);
return obj;
}
+ else if (MARKERP (obj))
+ error ("Attempt to copy a marker to pure storage");
+ else
+ return obj;
}
\f
/* Recording what needs to be marked for gc. */