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* thread.c (rb_exec_recursive_paired): new function for proper

handling of recursive arrays.  [EXPERIMENTAL] [ruby-core:23402]

* array.c (rb_ary_equal, rb_ary_eql, rb_ary_cmp): use above.

* hash.c (hash_equal): ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23557 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2009-05-24 13:48:23 +00:00
parent b55ff99891
commit 02fb261ec1
5 changed files with 87 additions and 26 deletions

View file

@ -1,3 +1,12 @@
Sun May 24 22:48:17 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* thread.c (rb_exec_recursive_paired): new function for proper
handling of recursive arrays. [EXPERIMENTAL] [ruby-core:23402]
* array.c (rb_ary_equal, rb_ary_eql, rb_ary_cmp): use above.
* hash.c (hash_equal): ditto.
Sun May 24 22:39:33 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* error.c (syserr_initialize): errno is int.

12
array.c
View file

@ -2740,7 +2740,7 @@ recursive_equal(VALUE ary1, VALUE ary2, int recur)
{
long i;
if (recur) return Qfalse;
if (recur) return Qtrue; /* Subtle! */
for (i=0; i<RARRAY_LEN(ary1); i++) {
if (!rb_equal(rb_ary_elt(ary1, i), rb_ary_elt(ary2, i)))
return Qfalse;
@ -2773,7 +2773,7 @@ rb_ary_equal(VALUE ary1, VALUE ary2)
return rb_equal(ary2, ary1);
}
if (RARRAY_LEN(ary1) != RARRAY_LEN(ary2)) return Qfalse;
return rb_exec_recursive(recursive_equal, ary1, ary2);
return rb_exec_recursive_paired(recursive_equal, ary1, ary2, ary2);
}
static VALUE
@ -2781,7 +2781,7 @@ recursive_eql(VALUE ary1, VALUE ary2, int recur)
{
long i;
if (recur) return Qfalse;
if (recur) return Qtrue; /* Subtle! */
for (i=0; i<RARRAY_LEN(ary1); i++) {
if (!rb_eql(rb_ary_elt(ary1, i), rb_ary_elt(ary2, i)))
return Qfalse;
@ -2803,7 +2803,7 @@ rb_ary_eql(VALUE ary1, VALUE ary2)
if (ary1 == ary2) return Qtrue;
if (TYPE(ary2) != T_ARRAY) return Qfalse;
if (RARRAY_LEN(ary1) != RARRAY_LEN(ary2)) return Qfalse;
return rb_exec_recursive(recursive_eql, ary1, ary2);
return rb_exec_recursive_paired(recursive_eql, ary1, ary2, ary2);
}
static VALUE
@ -2870,7 +2870,7 @@ recursive_cmp(VALUE ary1, VALUE ary2, int recur)
{
long i, len;
if (recur) return Qnil;
if (recur) return Qundef; /* Subtle! */
len = RARRAY_LEN(ary1);
if (len > RARRAY_LEN(ary2)) {
len = RARRAY_LEN(ary2);
@ -2912,7 +2912,7 @@ rb_ary_cmp(VALUE ary1, VALUE ary2)
ary2 = to_ary(ary2);
if (ary1 == ary2) return INT2FIX(0);
v = rb_exec_recursive(recursive_cmp, ary1, ary2);
v = rb_exec_recursive_paired(recursive_cmp, ary1, ary2, ary2);
if (v != Qundef) return v;
len = RARRAY_LEN(ary1) - RARRAY_LEN(ary2);
if (len == 0) return INT2FIX(0);

4
hash.c
View file

@ -1451,7 +1451,7 @@ recursive_eql(VALUE hash, VALUE dt, int recur)
{
struct equal_data *data;
if (recur) return Qfalse;
if (recur) return Qtrue; /* Subtle! */
data = (struct equal_data*)dt;
data->result = Qtrue;
rb_hash_foreach(hash, eql_i, dt);
@ -1488,7 +1488,7 @@ hash_equal(VALUE hash1, VALUE hash2, int eql)
data.tbl = RHASH(hash2)->ntbl;
data.eql = eql;
return rb_exec_recursive(recursive_eql, hash1, (VALUE)&data);
return rb_exec_recursive_paired(recursive_eql, hash1, hash2, (VALUE)&data);
}
/*

View file

@ -340,6 +340,7 @@ VALUE rb_thread_local_aset(VALUE, ID, VALUE);
void rb_thread_atfork(void);
void rb_thread_atfork_before_exec(void);
VALUE rb_exec_recursive(VALUE(*)(VALUE, VALUE, int),VALUE,VALUE);
VALUE rb_exec_recursive_paired(VALUE(*)(VALUE, VALUE, int),VALUE,VALUE,VALUE);
/* file.c */
VALUE rb_file_s_expand_path(int, VALUE *);
VALUE rb_file_expand_path(VALUE, VALUE);

View file

@ -3310,26 +3310,39 @@ rb_barrier_destroy(VALUE self)
static ID recursive_key;
static VALUE
recursive_check(VALUE hash, VALUE obj)
recursive_check(VALUE hash, VALUE obj, VALUE paired_obj)
{
if (NIL_P(hash) || TYPE(hash) != T_HASH) {
return Qfalse;
}
else {
VALUE list = rb_hash_aref(hash, ID2SYM(rb_frame_this_func()));
VALUE sym = ID2SYM(rb_frame_this_func());
VALUE list = rb_hash_aref(hash, sym);
VALUE pair_list;
if (NIL_P(list) || TYPE(list) != T_HASH)
return Qfalse;
if (NIL_P(rb_hash_lookup(list, obj)))
pair_list = rb_hash_lookup2(list, obj, Qundef);
if (pair_list == Qundef)
return Qfalse;
if (paired_obj) {
if (TYPE(pair_list) != T_HASH) {
if (pair_list != paired_obj)
return Qfalse;
}
else {
if (NIL_P(rb_hash_lookup(pair_list, paired_obj)))
return Qfalse;
}
}
return Qtrue;
}
}
static VALUE
recursive_push(VALUE hash, VALUE obj)
recursive_push(VALUE hash, VALUE obj, VALUE paired_obj)
{
VALUE list, sym;
VALUE list, sym, pair_list;
sym = ID2SYM(rb_frame_this_func());
if (NIL_P(hash) || TYPE(hash) != T_HASH) {
@ -3344,61 +3357,99 @@ recursive_push(VALUE hash, VALUE obj)
list = rb_hash_new();
rb_hash_aset(hash, sym, list);
}
rb_hash_aset(list, obj, Qtrue);
if (!paired_obj) {
rb_hash_aset(list, obj, Qtrue);
}
else if ((pair_list = rb_hash_lookup2(list, obj, Qundef)) == Qundef) {
rb_hash_aset(list, obj, paired_obj);
}
else {
if (TYPE(pair_list) != T_HASH){
VALUE other_paired_obj = pair_list;
pair_list = rb_hash_new();
rb_hash_aset(pair_list, other_paired_obj, Qtrue);
rb_hash_aset(list, obj, pair_list);
}
rb_hash_aset(pair_list, paired_obj, Qtrue);
}
return hash;
}
static void
recursive_pop(VALUE hash, VALUE obj)
recursive_pop(VALUE hash, VALUE obj, VALUE paired_obj)
{
VALUE list, sym;
VALUE list, sym, pair_list, symname, thrname;
sym = ID2SYM(rb_frame_this_func());
if (NIL_P(hash) || TYPE(hash) != T_HASH) {
VALUE symname;
VALUE thrname;
symname = rb_inspect(sym);
thrname = rb_inspect(rb_thread_current());
rb_raise(rb_eTypeError, "invalid inspect_tbl hash for %s in %s",
StringValuePtr(symname), StringValuePtr(thrname));
}
list = rb_hash_aref(hash, sym);
if (NIL_P(list) || TYPE(list) != T_HASH) {
VALUE symname = rb_inspect(sym);
VALUE thrname = rb_inspect(rb_thread_current());
symname = rb_inspect(sym);
thrname = rb_inspect(rb_thread_current());
rb_raise(rb_eTypeError, "invalid inspect_tbl list for %s in %s",
StringValuePtr(symname), StringValuePtr(thrname));
}
if (paired_obj) {
pair_list = rb_hash_lookup2(list, obj, Qundef);
if (pair_list == Qundef) {
symname = rb_inspect(sym);
thrname = rb_inspect(rb_thread_current());
rb_raise(rb_eTypeError, "invalid inspect_tbl pair_list for %s in %s",
StringValuePtr(symname), StringValuePtr(thrname));
}
if (TYPE(pair_list) == T_HASH) {
rb_hash_delete(pair_list, paired_obj);
if (!RHASH_EMPTY_P(pair_list)) {
return; /* keep hash until is empty */
}
}
}
rb_hash_delete(list, obj);
}
VALUE
rb_exec_recursive(VALUE (*func) (VALUE, VALUE, int), VALUE obj, VALUE arg)
static VALUE
exec_recursive(VALUE (*func) (VALUE, VALUE, int), VALUE obj, VALUE pairid, VALUE arg)
{
volatile VALUE hash = rb_thread_local_aref(rb_thread_current(), recursive_key);
VALUE objid = rb_obj_id(obj);
if (recursive_check(hash, objid)) {
if (recursive_check(hash, objid, pairid)) {
return (*func) (obj, arg, Qtrue);
}
else {
VALUE result = Qundef;
int state;
hash = recursive_push(hash, objid);
hash = recursive_push(hash, objid, pairid);
PUSH_TAG();
if ((state = EXEC_TAG()) == 0) {
result = (*func) (obj, arg, Qfalse);
}
POP_TAG();
recursive_pop(hash, objid);
recursive_pop(hash, objid, pairid);
if (state)
JUMP_TAG(state);
return result;
}
}
VALUE
rb_exec_recursive(VALUE (*func) (VALUE, VALUE, int), VALUE obj, VALUE arg)
{
return exec_recursive(func, obj, 0, arg);
}
VALUE
rb_exec_recursive_paired(VALUE (*func) (VALUE, VALUE, int), VALUE obj, VALUE paired_obj, VALUE arg)
{
return exec_recursive(func, obj, rb_obj_id(paired_obj), arg);
}
/* tracer */
static rb_event_hook_t *