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- /* 1. Allocation functions doing the same work as the macros in the
- case where [Setup_for_gc] and [Restore_after_gc] are no-ops.
- 2. Convenience functions related to allocation.
- */
-
- #include "alloc.h"
- #include "debugger.h"
- #include "major_gc.h"
- #include "memory.h"
- #include "mlvalues.h"
- #include "stacks.h"
-
- #define Setup_for_gc
- #define Restore_after_gc
-
- value alloc (wosize, tag)
- mlsize_t wosize;
- tag_t tag;
- {
- value result;
-
- Assert (wosize > 0 && wosize <= Max_young_wosize);
- Alloc_small (result, wosize, tag);
- return result;
- }
-
- value alloc_tuple(n)
- mlsize_t n;
- {
- return alloc(n, 0);
- }
-
- value alloc_string (len)
- mlsize_t len;
- {
- value result;
- mlsize_t offset_index;
- mlsize_t wosize = (len + sizeof (value)) / sizeof (value);
-
- if (wosize <= Max_young_wosize) {
- Alloc_small (result, wosize, String_tag);
- }else{
- result = alloc_shr (wosize, String_tag);
- }
- Field (result, wosize - 1) = 0;
- offset_index = Bsize_wsize (wosize) - 1;
- Byte (result, offset_index) = offset_index - len;
- return result;
- }
-
- value alloc_final (len, fun, mem, max)
- mlsize_t len;
- final_fun fun;
- mlsize_t mem, max;
- {
- value result = alloc_shr (len, Final_tag);
-
- Field (result, 0) = (value) fun;
- adjust_gc_speed (mem, max);
- return result;
- }
-
- value copy_double(d)
- double d;
- {
- value res;
-
- Alloc_small(res, Double_wosize, Double_tag);
- Store_double_val(res, d);
- return res;
- }
-
- value copy_string(s)
- char * s;
- {
- int len;
- value res;
-
- len = strlen(s);
- res = alloc_string(len);
- bcopy(s, String_val(res), len);
- return res;
- }
-
- value alloc_array(funct, arr)
- value (*funct) P((char *));
- char ** arr;
- {
- mlsize_t nbr, n;
- value v;
-
- nbr = 0;
- while (arr[nbr] != 0) nbr++;
- if (nbr == 0) {
- return Atom(0);
- } else {
- Push_roots(r, 1);
- r[0] = nbr < Max_young_wosize ? alloc(nbr, 0) : alloc_shr(nbr, 0);
- for (n = 0; n < nbr; n++)
- Field(r[0], n) = Val_long(0);
- for (n = 0; n < nbr; n++) {
- v = funct(arr[n]);
- modify(&Field(r[0], n), v);
- }
- v = r[0];
- Pop_roots();
- return v;
- }
- }
-
- value copy_string_array(arr)
- char ** arr;
- {
- return alloc_array(copy_string, arr);
- }
-
- int convert_flag_list(list, flags)
- value list;
- int * flags;
- {
- int res;
- res = 0;
- while (Tag_val(list) == 1) {
- res |= flags[Tag_val(Field(list, 0))];
- list = Field(list, 1);
- }
- return res;
- }
-