source file of the GNU LilyPond music typesetter
- (c) 1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "string.hh"
#include "lily-proto.hh"
#include "virtual-methods.hh"
-#include "lily-guile.hh"
-#include "parray.hh"
#include "input.hh"
#include "smobs.hh"
+/* copied from lily-guile.hh */
+#ifndef get_property
+#define get_property(x) internal_get_property (ly_symbol2scm (x))
+#endif
+
#define TRANSLATOR_DECLARATIONS(NAME) \
public: \
- NAME();\
- VIRTUAL_COPY_CONS (Translator); \
+ NAME (); \
+ VIRTUAL_COPY_CONSTRUCTOR (Translator, NAME); \
static SCM static_description_; \
virtual SCM static_translator_description () const; \
virtual SCM translator_description () const;
-/** Make some kind of #Element#s from Requests. Elements are made by
- hierarchically grouped #Translator#s
- */
-class Translator : public Input {
+/*
+ Translate music into grobs.
+*/
+class Translator
+{
void init ();
-public:
- Music_output_def * output_def_l_;
- String type_str_;
-
- bool is_alias_b (String) const;
-
- Translator (Translator const &);
+protected:
+ bool must_be_last_;
+public:
+ bool must_be_last () const;
- Translator_group * daddy_trans_l_ ;
- DECLARE_SCHEME_CALLBACK(name, (SCM trans));
- DECLARE_SCHEME_CALLBACK(description,(SCM trans));
- void announces ();
-
- void removal_processing ();
- /**
- ask daddy for a feature
- */
- Music_output_def *output_def_l () const;
-
- SCM get_property (const char *) const;
- SCM get_property (SCM symbol) const;
+ Context * context () const { return daddy_context_; }
- virtual Moment now_mom () const;
+ Translator (Translator const &);
- /*
- ugh: bubbled up from Translator_group.
- */
- SCM simple_trans_list_;
- SCM trans_group_list_;
- SCM definition_;
+ SCM internal_get_property (SCM symbol) const;
- SCM properties_scm_;
- DECLARE_SMOBS (Translator, dummy);
-
-public:
- TRANSLATOR_DECLARATIONS(Translator);
- /**
- try to fit the request in this engraver
-
- @return
- false: not noted, not taken.
-
- true: request swallowed. Don't try to put the request elsewhere.
-
- */
- virtual bool try_music (Music *req_l);
+ virtual Output_def *get_output_def () const;
+ virtual Translator_group* get_daddy_translator ()const;
+ virtual Moment now_mom () const;
+ virtual bool try_music (Music *req);
virtual void stop_translation_timestep ();
virtual void start_translation_timestep ();
- virtual void do_announces () ;
virtual void initialize () ;
+ virtual void process_music ();
+ virtual void do_announces ();
virtual void finalize ();
-};
+
+ Score_context * get_score_context () const;
+ Global_context * get_global_context () const;
+
+ TRANSLATOR_DECLARATIONS(Translator);
+ DECLARE_SMOBS (Translator, dummy);
+protected: // should be private.
+ Context * daddy_context_ ;
+ virtual void derived_mark () const;
+
+ friend class Context_def;
+ friend class Context;
+};
/**
A macro to automate administration of translators.
T *t = new T;\
T::static_description_ = t->static_translator_description ();\
scm_permanent_object (T::static_description_);\
- t->type_str_ = classname (t);\
add_translator (t);\
}\
SCM T::translator_description() const\
-#define ENTER_DESCRIPTION(classname,desc,grobs,acked,read,write) \
+#define ADD_TRANSLATOR(classname,desc,grobs,accepted,acked,read,write) \
ADD_THIS_TRANSLATOR (classname);\
SCM \
classname::static_translator_description () const \
{ \
- SCM static_properties= SCM_EOL; \
- /* static_properties= acons (name ,gh_str02scm (Translator::name (self_scm ())), \
+ SCM static_properties = SCM_EOL; \
+ /* static_properties = acons (name ,gh_str02scm (Translator::name (self_scm ())), \
static_properties_); \
*/ \
- static_properties= scm_acons (ly_symbol2scm ("grobs-created"), \
+ static_properties = scm_acons (ly_symbol2scm ("grobs-created"), \
parse_symbol_list (grobs), static_properties); \
\
- static_properties= scm_acons (ly_symbol2scm ("description"), \
- ly_str02scm (desc), static_properties); \
+ static_properties = scm_acons (ly_symbol2scm ("description"), \
+ scm_makfrom0str (desc), static_properties); \
\
- static_properties= scm_acons (ly_symbol2scm ("interfaces-acked"), \
+ static_properties = scm_acons (ly_symbol2scm ("interfaces-acked"), \
parse_symbol_list (acked), static_properties); \
+ static_properties = scm_acons (ly_symbol2scm ("events-accepted"), \
+ parse_symbol_list (accepted), static_properties); \
\
- static_properties= scm_acons (ly_symbol2scm ("properties-read"), \
+ static_properties = scm_acons (ly_symbol2scm ("properties-read"), \
parse_symbol_list (read), static_properties); \
\
- static_properties= scm_acons (ly_symbol2scm ("properties-written"), \
+ static_properties = scm_acons (ly_symbol2scm ("properties-written"), \
parse_symbol_list (write), static_properties); \
\
return static_properties; \
-extern Dictionary<Translator*> *global_translator_dict_p;
-void add_translator (Translator*trans_p);
+void add_translator (Translator*trans);
-Translator*get_translator_l (String s);
-Translator *unsmob_translator (SCM);
+Translator*get_translator (SCM s);
+DECLARE_UNSMOB(Translator,translator);
#endif // TRANSLATOR_HH