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 "ly-smobs.icc"
12 #include "scm-hash.hh"
14 Scheme_hash_table::Scheme_hash_table ()
20 Scheme_hash_table::Scheme_hash_table (Scheme_hash_table const &src)
27 Scheme_hash_table::operator =(Scheme_hash_table const & src)
29 Scm_stl_map::operator = (src);
31 // we do not copy the self_scm () field!
38 Scheme_hash_table::mark_smob (SCM s)
41 can't typecheck naively, since GC bit lives in CAR of S
44 Scheme_hash_table *me = (Scheme_hash_table*) SCM_CELL_WORD_1(s);
46 for (Scm_stl_map::const_iterator i= me->begin (); i != me->end(); i++)
48 scm_gc_mark ((*i).first);
49 scm_gc_mark ((*i).second);
55 Scheme_hash_table::print_smob (SCM s, SCM p, scm_print_state*)
59 sprintf (str, "#<Scheme_hash_table 0x%0x ", s);
61 Scheme_hash_table *me = unsmob(s);
62 for (Scm_stl_map::const_iterator i = me->begin (); i != me->end(); i++)
64 scm_display ((*i).first, p);
66 scm_display ((*i).second, p);
74 Scheme_hash_table::try_retrieve (SCM k, SCM *v)
76 Scm_stl_map ::const_iterator i (find (k));
77 bool found = i != end ();
84 Scheme_hash_table::elem_b (SCM k) const
86 Scm_stl_map::const_iterator i (find (k));
91 Scheme_hash_table::set (SCM k, SCM v)
98 Scheme_hash_table::get (SCM k)const
100 return (*(Scheme_hash_table*)this)[k];
104 Scheme_hash_table::~Scheme_hash_table( )
109 Scheme_hash_table::to_alist () const
112 for (Scm_stl_map ::const_iterator i = begin (); i != end(); i++)
113 l = gh_cons (gh_cons ((*i).first, (*i).second), l);
118 IMPLEMENT_UNSMOB(Scheme_hash_table,scheme_hash);
119 IMPLEMENT_SMOBS(Scheme_hash_table);
120 IMPLEMENT_DEFAULT_EQUAL_P(Scheme_hash_table);