2 scm-hash.cc -- implement Scheme_hash_table
4 source file of the GNU LilyPond music typesetter
6 (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
11 #include "scm-hash.hh"
12 #include "hash-table-iter.hh"
14 Scheme_hash_table::Scheme_hash_table ()
16 hash_func_
= ly_scm_hash
;
22 Scheme_hash_table::operator =(Scheme_hash_table
const & src
)
24 Hash_table
<SCM
,SCM
>::operator = (src
);
26 // we do not copy the self_scm_ field!
30 Scheme_hash_table::do_smobify_self ()
34 #include "ly-smobs.icc"
35 IMPLEMENT_SMOBS(Scheme_hash_table
);
38 Scheme_hash_table::mark_smob (SCM s
)
41 can't typecheck naively, since GC bit lives in CAR of S
43 //assert (SMOB_IS_TYPE_B (Scheme_hash_table, s));
45 Scheme_hash_table
*me
= SMOB_TO_TYPE(Scheme_hash_table
,s
);
46 for (Hash_table_iter
<SCM
,SCM
> i (*me
); i
.ok(); i
++)
48 scm_gc_mark (i
.key());
49 scm_gc_mark (i
.val ());
55 Scheme_hash_table::Scheme_hash_table (Scheme_hash_table
const &src
)
56 : Hash_table
<SCM
,SCM
> (src
)
58 hash_func_
= src
.hash_func_
;
64 Scheme_hash_table::print_smob (SCM s
, SCM p
, scm_print_state
*)
66 assert (SMOB_IS_TYPE_B (Scheme_hash_table
, s
));
68 sprintf (str
, "#<Scheme_hash_table 0x%0x ", s
);
70 Scheme_hash_table
*me
= SMOB_TO_TYPE(Scheme_hash_table
,s
);
71 for (Hash_table_iter
<SCM
,SCM
> i (*me
); i
.ok(); i
++)
73 scm_display (i
.key(), p
);
75 scm_display (i
.val (), p
);
84 Scheme_hash_table::set (SCM k
, SCM v
)
87 scm_unprotect_object (v
);
91 Scheme_hash_table::get (SCM k
)const
93 return const_elem (k
);
97 Scheme_hash_table::~Scheme_hash_table( )
103 Scheme_hash_table::to_alist () const
106 for (Hash_table_iter
<SCM
,SCM
> i (*this); i
.ok(); i
++)
107 l
= gh_cons (gh_cons (i
.key (), i
.val()), l
);