2 music-output-def.cc -- implement Music_output_def
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
12 #include "music-output-def.hh"
13 #include "global-context.hh"
14 #include "context-def.hh"
16 #include "file-path.hh"
17 #include "lily-guile.hh"
18 #include "ly-modules.hh"
20 #include "ly-smobs.icc"
22 Music_output_def::Music_output_def ()
24 scaled_fonts_ = SCM_EOL;
25 translator_tab_ = new Scheme_hash_table;
29 scm_gc_unprotect_object (translator_tab_->self_scm ());
30 scope_ = ly_make_anonymous_module();
33 Music_output_def::~Music_output_def ()
37 Music_output_def::Music_output_def (Music_output_def const &s)
41 scaled_fonts_ = SCM_EOL;
44 translator_tab_ = new Scheme_hash_table (*s.translator_tab_);
45 scm_gc_unprotect_object (translator_tab_->self_scm ());
47 scaled_fonts_ = scm_list_copy (s.scaled_fonts_);
49 scope_= ly_make_anonymous_module ();
50 if (ly_module_p (s.scope_))
51 ly_copy_module_variables (scope_, s.scope_);
55 IMPLEMENT_SMOBS (Music_output_def);
56 IMPLEMENT_DEFAULT_EQUAL_P (Music_output_def);
59 Music_output_def::mark_smob (SCM m)
61 Music_output_def * mo = (Music_output_def*) SCM_CELL_WORD_1 (m);
62 if (mo->translator_tab_)
63 scm_gc_mark (mo->translator_tab_->self_scm ());
64 scm_gc_mark (mo->scope_);
66 return mo->scaled_fonts_;
70 Music_output_def::assign_translator (SCM transdef)
72 Context_def *tp = unsmob_context_def (transdef);
75 translator_tab_->set (tp->get_context_name (), transdef);
77 String nm = ly_symbol2string (tp->get_context_name ()) + "Context";
80 scm_module_define (scope_, ly_symbol2scm (nm.to_str0()), transdef);
84 find the translator for NAME. NAME must be a symbol.
87 Music_output_def::find_context_def (SCM name) const
90 translator_tab_->try_retrieve (name, &val);
96 Music_output_def::print_smob (SCM s, SCM p, scm_print_state *)
98 Music_output_def * def = unsmob_music_output_def (s);
100 scm_puts (classname (def), p);
109 Music_output_def::get_scmvar (String s) const
111 return lookup_variable (ly_symbol2scm (s.to_str0 ()));
116 Music_output_def::set_variable (SCM sym, SCM val)
118 scm_module_define (scope_, sym, val);
122 Music_output_def::lookup_variable (SCM sym) const
124 SCM var = ly_module_lookup (scope_, sym);
126 return scm_variable_ref (var);
129 LY_DEFINE(ly_paper_lookup,
133 "Lookup @var{sym} in @var{pap}. Return the value "
134 " or '() if undefined. "
137 Music_output_def *op = unsmob_music_output_def (pap);
138 SCM_ASSERT_TYPE (op, pap, SCM_ARG1, __FUNCTION__, "Paper");
139 SCM_ASSERT_TYPE (gh_symbol_p (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");
141 SCM v = op->lookup_variable (sym);
143 if (SCM_VARIABLEP(v))
144 return SCM_VARIABLE_REF(v);
149 LY_DEFINE(ly_output_def_scope,
150 "ly:output-def-scope",
153 "Get the scope inside @var{def}."
156 Music_output_def *op = unsmob_music_output_def (def);
157 SCM_ASSERT_TYPE (op, def, SCM_ARG1, __FUNCTION__, "Output definition");
163 LY_DEFINE(ly_output_def_clone,
164 "ly:output-def-clone",
170 Music_output_def *op = unsmob_music_output_def (def);
171 SCM_ASSERT_TYPE (op, def, SCM_ARG1, __FUNCTION__, "Output definition");
173 SCM s = op->clone ()->self_scm ();
174 scm_gc_unprotect_object (s);