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"
15 Scheme_hash_table::Scheme_hash_table ()
21 Scheme_hash_table::Scheme_hash_table (Scheme_hash_table const &src)
28 Scheme_hash_table::operator =(Scheme_hash_table const & src)
30 Scm_stl_map::operator = (src);
32 // we do not copy the self_scm () field!
36 Scheme_hash_table::mark_smob (SCM s)
39 can't typecheck naively, since GC bit lives in CAR of S
42 Scheme_hash_table *me = (Scheme_hash_table*) SCM_CELL_WORD_1(s);
44 for (Scm_stl_map::const_iterator i= me->begin (); i != me->end(); i++)
46 scm_gc_mark ((*i).first);
47 scm_gc_mark ((*i).second);
53 Scheme_hash_table::print_smob (SCM s, SCM p, scm_print_state*)
57 sprintf (str, "#<Scheme_hash_table 0x%0x ", s);
59 Scheme_hash_table *me = unsmob(s);
60 for (Scm_stl_map::const_iterator i = me->begin (); i != me->end(); i++)
62 scm_display ((*i).first, p);
64 scm_display ((*i).second, p);
72 Scheme_hash_table::try_retrieve (SCM k, SCM *v)
74 Scm_stl_map ::const_iterator i (find (k));
75 bool found = i != end ();
82 Scheme_hash_table::elem_b (SCM k) const
84 Scm_stl_map::const_iterator i (find (k));
89 Scheme_hash_table::set (SCM k, SCM v)
96 Scheme_hash_table::get (SCM k)const
98 return (*(Scheme_hash_table*)this)[k];
102 Scheme_hash_table::~Scheme_hash_table( )
107 Scheme_hash_table::to_alist () const
110 for (Scm_stl_map ::const_iterator i = begin (); i != end(); i++)
111 l = gh_cons (gh_cons ((*i).first, (*i).second), l);
117 IMPLEMENT_UNSMOB(Scheme_hash_table,scheme_hash);
118 IMPLEMENT_SMOBS(Scheme_hash_table);
119 IMPLEMENT_DEFAULT_EQUAL_P(Scheme_hash_table);