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remove obsolete hash handling in places deep copy

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This commit is contained in:
Matthew Flatt 2011-05-11 08:49:11 -06:00
parent 8672f32d94
commit 11445a97e4
1 changed files with 2 additions and 15 deletions
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17
src/racket/src/place.c
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@ -983,8 +983,8 @@ static Scheme_Object *shallow_types_copy(Scheme_Object *so, Scheme_Hash_Table *h
static Scheme_Object* create_infinite_stack() {
Scheme_Object **v;
v = malloc(IFS_SIZE* sizeof(Scheme_Object*) );
v[0] = NULL;
v[511] = NULL;
v[IFS_PREV_SEG_SLOT] = NULL;
v[IFS_CACHE_SLOT] = NULL;
return (Scheme_Object *) v;
}
static void free_infinite_stack(Scheme_Object** st) {
@ -1138,7 +1138,6 @@ Scheme_Object *scheme_places_deep_copy_worker(Scheme_Object *so, Scheme_Hash_Tab
#define GET_R0() (reg0)
Scheme_Object *new_so = so;
int skip_hash;
int ctr = 0;
/* First, check for simple values that don't need to be hashed: */
@ -1184,8 +1183,6 @@ DEEP_DO:
if (new_so) RETURN;
new_so = so;
skip_hash = 0;
switch (SCHEME_TYPE(so)) {
case scheme_pair_type:
/* handle cycles: */
@ -1194,7 +1191,6 @@ DEEP_DO:
else
pair = so;
scheme_hash_set(*ht, so, pair);
skip_hash = 1;
IFS_PUSH(so);
IFS_PUSH(pair);
@ -1229,7 +1225,6 @@ DEEP_DO_FIN_PAIR_L:
/* handle cycles: */
scheme_hash_set(*ht, so, vec);
skip_hash = 1;
i = 0;
if (i < size) {
IFS_PUSH(vec);
@ -1267,7 +1262,6 @@ DEEP_VEC2:
size = (intptr_t) IFS_POP;
so = IFS_POP;
vec = IFS_POP;
if (copy)
if (copy) {
SCHEME_SET_IMMUTABLE(vec);
@ -1307,7 +1301,6 @@ DEEP_ST1_L:
/* handle cycles: */
scheme_hash_set(*ht, so, new_so);
skip_hash = 1;
i = 0;
if (i < size) {
@ -1368,7 +1361,6 @@ DEEP_SST1_L:
/* handle cycles: */
scheme_hash_set(*ht, so, new_so);
skip_hash = 1;
i = 0;
if (i < size) {
@ -1406,7 +1398,6 @@ DEEP_SST2_L:
IFS_POPN(4);
RETURN;
}
break;
break;
case scheme_resolved_module_path_type:
default:
@ -1414,10 +1405,6 @@ DEEP_SST2_L:
break;
}
if (!skip_hash)
scheme_hash_set(*ht, so, new_so);
DEEP_RETURN_L:
{
ctr--;