source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#ifndef TRANSLATOR_HH
#define TRANSLATOR_HH
+#include "global-ctor.hh"
#include "string.hh"
#include "lily-proto.hh"
#include "virtual-methods.hh"
-#include "scalar.hh"
-#include "dictionary.hh"
-#include "parray.hh"
+#include "lily-guile.hh"
#include "input.hh"
+#include "smobs.hh"
-#define TRANSLATOR_CLONE(c) VIRTUAL_COPY_CONS(c, Translator)
+#define get_property(x) internal_get_property(ly_symbol2scm(x))
-/** Make some kind of #Element#s from Requests. Elements are made by
- hierarchically grouped #Translator#s
- */
-class Translator : public Input {
- Dictionary<Scalar> properties_dict_;
-public:
- Music_output_def * output_def_l_;
- String type_str_;
- bool is_alias_b (String) const;
-
+#define TRANSLATOR_DECLARATIONS(NAME) \
+public: \
+ NAME();\
+ VIRTUAL_COPY_CONS (Translator); \
+ static SCM static_description_; \
+ virtual SCM static_translator_description () const; \
+ virtual SCM translator_description () const;
- DECLARE_MY_RUNTIME_TYPEINFO;
- TRANSLATOR_CLONE(Translator);
- Translator (Translator const &);
- Translator ();
- virtual ~Translator ();
-
- Translator_group * daddy_trans_l_ ;
-
- void print () const;
+/*
+ Translate music into grobs.
+*/
+class Translator
+{
+ void init ();
+public:
+ Music_output_def * output_def_;
- /**
- 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.
+ bool is_alias (SCM) const;
+ Translator (Translator const &);
- */
- bool try_request (Request*);
- void pre_move_processing();
- void add_processing ();
- void creation_processing ();
- void process_requests();
- void post_move_processing();
- void removal_processing();
+
+ Translator_group * daddy_trans_ ;
+ void removal_processing ();
/**
ask daddy for a feature
*/
- Scalar get_property (String type_str);
- void set_property (String var_name, Scalar value);
- Music_output_def *output_def_l () const;
+ Music_output_def *get_output_def () const;
+
+ SCM internal_get_property (SCM symbol) const;
- virtual Moment now_moment () const;
-
-protected:
- enum {
- ORPHAN,
- VIRGIN,
- CREATION_INITED,
- MOVE_INITED,
- ACCEPTED_REQS,
- PROCESSED_REQS,
- ACKED_REQS,
- MOVE_DONE
- } status;
-
- /*
- @see{try_request}
- Default: always return false
- */
- virtual void do_add_processing ();
- virtual bool do_try_request (Request *req_l);
- virtual void do_print () const;
- virtual void do_pre_move_processing(){}
- virtual void do_post_move_processing(){}
- virtual void do_process_requests () {}
- virtual void do_creation_processing() {}
- virtual void do_removal_processing() {}
-};
+ virtual Moment now_mom () const;
+
+ /*
+ ugh: bubbled up.
+ */
+ SCM definition_;
+ SCM properties_scm_;
+ SCM trans_group_list_;
+ SCM accepts_list_;
+ virtual SCM get_simple_trans_list ();
+public:
+ DECLARE_SMOBS (Translator, dummy);
+private:
+ /*
+ ugh: bubbled up from Translator_group.
+ */
+
+protected: // should be private.
+ SCM simple_trans_list_;
+ friend class Context_def;
+ // ugir.
+ // friend SCM Translator_group::get_simple_trans_list ();
-template<class T>
-class Translator_adder
-{
public:
- static Translator *ctor ()
- {
- Translator *t = new T;
- t->type_str_ = T::static_name ();
- return t;
- }
- Translator_adder () {
- add_constructor (ctor);
- }
+ Global_translator * top_translator () const;
+ TRANSLATOR_DECLARATIONS(Translator);
+ 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 finalize ();
};
+
/**
A macro to automate administration of translators.
*/
-#define ADD_THIS_TRANSLATOR(c) \
- Translator_adder<c> _ ## c ## init;
-
-typedef Translator *(*Translator_ctor) ();
-
-extern Dictionary<Translator*> *global_translator_dict_p;
-void add_translator (Translator*trans_p);
-void add_constructor (Translator_ctor ctor);
-
-Translator*get_translator_l (String s);
-
+#define ADD_THIS_TRANSLATOR(T) \
+SCM T::static_description_ = SCM_EOL;\
+static void _ ## T ## _adder () {\
+ T *t = new T;\
+ T::static_description_ = t->static_translator_description ();\
+ scm_permanent_object (T::static_description_);\
+ add_translator (t);\
+}\
+SCM T::translator_description() const\
+{ \
+ return static_description_;\
+}\
+ADD_GLOBAL_CTOR (_ ## T ## _adder);
+
+
+
+
+#define ENTER_DESCRIPTION(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 ())), \
+ static_properties_); \
+ */ \
+ static_properties= scm_acons (ly_symbol2scm ("grobs-created"), \
+ parse_symbol_list (grobs), static_properties); \
+ \
+ static_properties= scm_acons (ly_symbol2scm ("description"), \
+ scm_makfrom0str (desc), static_properties); \
+ \
+ 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"), \
+ parse_symbol_list (read), static_properties); \
+ \
+ static_properties= scm_acons (ly_symbol2scm ("properties-written"), \
+ parse_symbol_list (write), static_properties); \
+ \
+ return static_properties; \
+}
+
+
+
+void add_translator (Translator*trans);
+
+Translator*get_translator (SCM s);
+DECLARE_UNSMOB(Translator,translator);
#endif // TRANSLATOR_HH
projects / lilypond.git / blobdiff