2 context.hh -- declare Context
4 source file of the GNU LilyPond music typesetter
6 (c) 2004 Han-Wen Nienhuys <hanwen@xs4all.nl>
13 #include "lily-proto.hh"
18 Scheme_hash_table *properties_dict () const;
19 Context (Context const &src);
21 DECLARE_SMOBS (Context, dummy);
26 friend class Interpretation_context_handle;
31 Context * daddy_context_;
40 friend class Context_def;
42 String id_string () const { return id_string_; }
43 SCM children_contexts () const { return context_list_; }
44 SCM default_child_context_name () const;
46 Translator_group* implementation () const;
47 Context *get_parent_context () const;
51 void execute_pushpop_property (SCM prop, SCM sym, SCM val);
52 SCM internal_get_property (SCM name_sym) const;
53 SCM properties_as_alist () const;
54 void internal_set_property (SCM var_sym, SCM value);
55 Context *where_defined (SCM name_sym) const;
56 void unset_property (SCM var_sym);
59 Context *remove_context (Context *trans);
60 void check_removal ();
61 String context_name () const;
62 Global_context *get_global_context () const;
64 virtual Score_context * get_score_context () const;
65 virtual Output_def *get_output_def () const;
66 virtual Moment now_mom () const;
67 virtual Context *get_default_interpreter ();
69 bool is_alias (SCM) const;
71 void add_context (Context *trans);
72 bool is_bottom_context () const;
73 bool is_removable () const;
74 bool try_music (Music *);
76 Context *find_create_context (SCM context_name,
78 Link_array<Context> path_to_acceptable_context (SCM alias,
87 void apply_property_operations (Context *tg, SCM pre_init_ops);
88 void execute_pushpop_property (Context *trg, SCM prop, SCM eltprop, SCM val);
89 SCM updated_grob_properties (Context *tg, SCM sym);
90 Context *find_context_below (Context *where,
91 SCM type_sym, String id);
92 bool melisma_busy (Context *);
94 Context *get_voice_to_lyrics (Context *lyrics);
95 Grob *get_current_note_head (Context *voice);
96 Grob *get_current_rest (Context *voice);
97 Context *unsmob_context (SCM);
99 DECLARE_UNSMOB(Context, context);
101 #endif /* CONTEXT_HH */