X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fengraver.cc;h=59c91306ef39496f5f729273686c0d58def2ab68;hb=b872748c6aa8bb721ced458691b38ac2fac5dfc8;hp=c749be110a169b2319d68059070dbb7f5f2bf1de;hpb=2eb63c6977706ba261e4ee0674c734a34b3ee904;p=lilypond.git diff --git a/lily/engraver.cc b/lily/engraver.cc index c749be110a..59c91306ef 100644 --- a/lily/engraver.cc +++ b/lily/engraver.cc @@ -1,14 +1,26 @@ /* - engraver.cc -- implement Engraver + This file is part of LilyPond, the GNU music typesetter. - Sourcefile of GNU LilyPond music type setter + Copyright (C) 1997--2015 Han-Wen Nienhuys - (c) 1997--2007 Han-Wen Nienhuys + LilyPond is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + LilyPond is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . */ #include "engraver.hh" #include "context.hh" +#include "grob-properties.hh" #include "international.hh" #include "music.hh" #include "paper-column.hh" @@ -24,77 +36,65 @@ Engraver::get_daddy_engraver () const } void -Engraver::announce_grob (Grob_info inf) +Engraver::announce_grob (Grob_info inf, Context *reroute_context) { - get_daddy_engraver ()->announce_grob (inf); + get_daddy_engraver ()->announce_grob (inf, START, reroute_context); } void -Engraver::announce_end_grob (Grob_info inf) +Engraver::announce_end_grob (Grob_info inf, Context *reroute_context) { - get_daddy_engraver ()->announce_grob (inf); + get_daddy_engraver ()->announce_grob (inf, STOP, reroute_context); } -/* - CAUSE is the object (typically a Stream_event object) that - was the reason for making E. -*/ -void -Engraver::announce_grob (Grob *e, SCM cause) +Grob_info +Engraver::make_grob_info (Grob *e, SCM cause) { /* TODO: Remove Music code when it's no longer needed */ - if (Music *m = unsmob_music (cause)) + if (Music *m = unsmob (cause)) { cause = m->to_event ()->unprotect (); } - if (unsmob_stream_event (cause) || unsmob_grob (cause)) + if (scm_is_null (e->get_property ("cause")) + && (unsmob (cause) || unsmob (cause))) e->set_property ("cause", cause); - Grob_info i (this, e); - - Engraver_group *g = get_daddy_engraver (); - if (g) - g->announce_grob (i); + return Grob_info (this, e); } - /* - CAUSE is the object (typically a Music object) that + CAUSE is the object (typically a Stream_event object) that was the reason for making E. */ void -Engraver::announce_end_grob (Grob *e, SCM cause) +Engraver::announce_grob (Grob *e, SCM cause) { - /* TODO: Remove Music code when it's no longer needed */ - if (Music *m = unsmob_music (cause)) - { - cause = m->to_event ()->unprotect (); - } - if (unsmob_stream_event (cause) || unsmob_grob (cause)) - e->set_property ("cause", cause); - - Grob_info i (this, e); - - i.start_end_ = STOP; - Engraver_group *g = get_daddy_engraver (); - if (g) - g->announce_grob (i); + announce_grob (make_grob_info (e, cause)); } +/* + CAUSE is the object (typically a grob or stream-event object) that + was the reason for ending E. */ +void +Engraver::announce_end_grob (Grob *e, SCM cause) +{ + announce_end_grob (make_grob_info (e, cause)); +} -Engraver::Engraver () +Engraver::Engraver (Context *c) + : Translator (c) { } -#ifndef NDEBUG +#ifdef DEBUG static SCM creation_callback = SCM_EOL; LY_DEFINE (ly_set_grob_creation_callback, "ly:set-grob-creation-callback", - 1, 0, 0, (SCM cb), - "Specify a procedure that will be called every time a new grob" - " is created. The callback will receive as arguments the grob" - " that was created, the name of the C++ source file that caused" - " the grob to be created, and the corresponding line number in" - " the C++ source file.") + 1, 0, 0, (SCM cb), + "Specify a procedure that will be called every time a new grob" + " is created. The callback will receive as arguments the grob" + " that was created, the name of the C++ source file that caused" + " the grob to be created, and the corresponding line number in" + " the C++ source file.") { LY_ASSERT_TYPE (ly_is_procedure, cb, 1); @@ -105,35 +105,40 @@ LY_DEFINE (ly_set_grob_creation_callback, "ly:set-grob-creation-callback", #endif Grob * -Engraver::internal_make_grob (SCM symbol, SCM cause, char const *name, char const *file, int line, char const *fun) +Engraver::internal_make_grob (SCM symbol, + SCM cause, + char const *file, + int line, + char const *fun) { - (void) file; - (void) fun; - (void) line; - (void) name; - - SCM props = updated_grob_properties (context (), symbol); +#ifndef DEBUG + (void)file; + (void)line; + (void)fun; +#endif + + SCM props = Grob_property_info (context (), symbol).updated (); Grob *grob = 0; SCM handle = scm_sloppy_assq (ly_symbol2scm ("meta"), props); SCM klass = scm_cdr (scm_sloppy_assq (ly_symbol2scm ("class"), scm_cdr (handle))); - if (klass == ly_symbol2scm ("Item")) + if (scm_is_eq (klass, ly_symbol2scm ("Item"))) grob = new Item (props); - else if (klass == ly_symbol2scm ("Spanner")) + else if (scm_is_eq (klass, ly_symbol2scm ("Spanner"))) grob = new Spanner (props); - else if (klass == ly_symbol2scm ("Paper_column")) + else if (scm_is_eq (klass, ly_symbol2scm ("Paper_column"))) grob = new Paper_column (props); assert (grob); announce_grob (grob, cause); -#ifndef NDEBUG +#ifdef DEBUG if (ly_is_procedure (creation_callback)) - scm_apply_0 (creation_callback, - scm_list_n (grob->self_scm (), scm_from_locale_string (file), - scm_from_int (line), scm_from_locale_string (fun), SCM_UNDEFINED)); + scm_call_4 (creation_callback, + grob->self_scm (), scm_from_utf8_string (file), + scm_from_int (line), scm_from_ascii_string (fun)); #endif return grob; @@ -141,42 +146,30 @@ Engraver::internal_make_grob (SCM symbol, SCM cause, char const *name, char cons Item * Engraver::internal_make_item (SCM x, SCM cause, - char const *name, - char const *file, int line, char const *fun) + char const *file, int line, char const *fun) { - Item *it = dynamic_cast (internal_make_grob (x, cause, name, file, line, fun)); + Item *it = dynamic_cast (internal_make_grob (x, cause, file, line, fun)); assert (it); return it; } Paper_column * -Engraver::internal_make_column (SCM x, char const *name, - char const *file, int line, char const *fun) +Engraver::internal_make_column (SCM x, char const *file, int line, char const *fun) { - return dynamic_cast (internal_make_grob (x, SCM_EOL, name, file, line, fun)); + return dynamic_cast (internal_make_grob (x, SCM_EOL, file, line, fun)); } Spanner * -Engraver::internal_make_spanner (SCM x, SCM cause, char const *name, char const *file, int line, char const *fun) +Engraver::internal_make_spanner (SCM x, SCM cause, + char const *file, int line, char const *fun) { - Spanner *sp = dynamic_cast (internal_make_grob (x, cause, name, file, line, fun)); + Spanner *sp = dynamic_cast (internal_make_grob (x, cause, file, line, fun)); assert (sp); return sp; } -#include "translator.icc" - -ADD_TRANSLATOR (Engraver, - /* doc */ - "Base class for engravers. Does nothing, so it is not used.", - - /* create */ - "", - - /* read */ - "", - - /* write */ - "" - ); - +bool +ly_is_grob_cause (SCM obj) +{ + return unsmob (obj) || unsmob (obj) || scm_is_null (obj); +}