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 Object_key const * key_;
32 Context * daddy_context_;
41 friend class Context_def;
44 Object_key const *get_key () const;
45 String id_string () const { return id_string_; }
46 SCM children_contexts () const { return context_list_; }
47 SCM default_child_context_name () const;
49 Translator_group* implementation () const;
50 Context *get_parent_context () const;
51 Context (Object_key const*);
54 void execute_pushpop_property (SCM prop, SCM sym, SCM val);
55 SCM internal_get_property (SCM name_sym) const;
56 SCM properties_as_alist () const;
57 void internal_set_property (SCM var_sym, SCM value);
58 Context *where_defined (SCM name_sym) const;
59 void unset_property (SCM var_sym);
62 Context *remove_context (Context *trans);
63 void check_removal ();
64 String context_name () const;
65 SCM context_name_symbol () const;
66 Global_context *get_global_context () const;
68 virtual Score_context * get_score_context () const;
69 virtual Output_def *get_output_def () const;
70 virtual Moment now_mom () const;
71 virtual Context *get_default_interpreter ();
73 bool is_alias (SCM) const;
75 void add_context (Context *trans);
76 bool is_bottom_context () const;
77 bool is_removable () const;
78 bool try_music (Music *);
80 Context *find_create_context (SCM context_name,
82 Link_array<Context> path_to_acceptable_context (SCM alias,
91 void apply_property_operations (Context *tg, SCM pre_init_ops);
92 void execute_pushpop_property (Context *trg, SCM prop, SCM eltprop, SCM val);
93 SCM updated_grob_properties (Context *tg, SCM sym);
94 Context *find_context_below (Context *where,
95 SCM type_sym, String id);
96 bool melisma_busy (Context *);
98 Context *get_voice_to_lyrics (Context *lyrics);
99 Grob *get_current_note_head (Context *voice);
100 Grob *get_current_rest (Context *voice);
101 DECLARE_UNSMOB(Context, context);
103 #endif /* CONTEXT_HH */