2 scm-hash.cc -- implement Scheme_hash_table
4 source file of the GNU LilyPond music typesetter
6 (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
11 #include "scm-hash.hh"
12 #include "ly-smobs.icc"
16 Scheme_hash_table::Scheme_hash_table ()
22 Scheme_hash_table::Scheme_hash_table (Scheme_hash_table const &src)
29 Scheme_hash_table::operator =(Scheme_hash_table const & src)
31 Scm_stl_map::operator = (src);
33 // we do not copy the self_scm () field!
40 Scheme_hash_table::mark_smob (SCM s)
43 can't typecheck naively, since GC bit lives in CAR of S
46 Scheme_hash_table *me = (Scheme_hash_table*) SCM_CELL_WORD_1(s);
48 for (Scm_stl_map::const_iterator i= me->begin (); i != me->end(); i++)
50 scm_gc_mark ((*i).first);
51 scm_gc_mark ((*i).second);
57 Scheme_hash_table::print_smob (SCM s, SCM p, scm_print_state*)
61 sprintf (str, "#<Scheme_hash_table 0x%0x ", s);
63 Scheme_hash_table *me = unsmob(s);
64 for (Scm_stl_map::const_iterator i = me->begin (); i != me->end(); i++)
66 scm_display ((*i).first, p);
68 scm_display ((*i).second, p);
76 Scheme_hash_table::try_retrieve (SCM k, SCM *v)
78 Scm_stl_map ::const_iterator i (find (k));
79 bool found = i != end ();
86 Scheme_hash_table::elem_b (SCM k) const
88 Scm_stl_map::const_iterator i (find (k));
93 Scheme_hash_table::set (SCM k, SCM v)
100 Scheme_hash_table::get (SCM k)const
102 return (*(Scheme_hash_table*)this)[k];
106 Scheme_hash_table::~Scheme_hash_table( )
111 Scheme_hash_table::to_alist () const
114 for (Scm_stl_map ::const_iterator i = begin (); i != end(); i++)
115 l = gh_cons (gh_cons ((*i).first, (*i).second), l);
120 IMPLEMENT_UNSMOB(Scheme_hash_table,scheme_hash);
121 IMPLEMENT_SMOBS(Scheme_hash_table);
122 IMPLEMENT_DEFAULT_EQUAL_P(Scheme_hash_table);