X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fmusic-function.cc;h=c485a2989c7b47738f5507931ad43153420c4b39;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=11cda8255c495b6f8d159a559987a5212df6e00f;hpb=e996beffe0f799b42f88fe6635d8e8f089ad3233;p=lilypond.git diff --git a/lily/music-function.cc b/lily/music-function.cc index 11cda8255c..c485a2989c 100644 --- a/lily/music-function.cc +++ b/lily/music-function.cc @@ -1,81 +1,41 @@ -/* - music-function.cc -- implement music_function - - source file of the GNU LilyPond music typesetter - - (c) 2004 Han-Wen Nienhuys - +/* + This file is part of LilyPond, the GNU music typesetter. + + Copyright (C) 2004--2015 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 "music-function.hh" -#include "string.hh" -#include "music.hh" -static scm_t_bits music_function_tag; +const char Music_function::type_p_name_[] = "ly:music-function?"; /* Print a textual represenation of the smob to a given port. */ -static int -print_music_function (SCM b, SCM port, scm_print_state *) +int +Music_function::print_smob (SCM port, scm_print_state *) { - SCM value = SCM_CELL_OBJECT_1 (b); - - scm_puts ("#", port); /* Non-zero means success. */ return 1; } - -LY_DEFINE (ly_make_music_function, "ly:make-music-function", 2, 0, 0, - (SCM signature, SCM func), - "Make a function to process music, to be used for the " - "parser. @code{func} is the function, and @code{signature} describes " - "Its arguments. @code{signature} is a list containing either " - "@code{ly:music?} predicates or other type predicates.") -{ - String str = ""; - for (SCM s = signature; ly_c_pair_p (s); s = ly_cdr (s)) - { - if (str != "") - str += "-"; - - if (ly_car (s) == Music_type_p_proc) - str += "music"; - else if (ly_c_procedure_p (ly_car (s))) - str += "scm"; - } - - scm_set_object_property_x (func, ly_symbol2scm ("music-function-signature"), - signature); - - scm_set_object_property_x (func, ly_symbol2scm ("music-function-signature-keyword"), - ly_symbol2scm (str.to_str0 ())); - - SCM_RETURN_NEWSMOB (music_function_tag, func); -} - -bool -is_music_function (SCM music_function) -{ - return (SCM_NIMP (music_function) && SCM_CELL_TYPE (music_function) == music_function_tag); -} - - SCM -get_music_function_transform (SCM music_function) -{ - if (!is_music_function (music_function)) - return SCM_UNDEFINED; - - return SCM_CELL_OBJECT_1 (music_function); -} - -static void -init_music_function (void) +Music_function::mark_smob () { - music_function_tag = scm_make_smob_type ("music-function", 0); - scm_set_smob_mark (music_function_tag, scm_markcdr); - scm_set_smob_print (music_function_tag, print_music_function); + ASSERT_LIVE_IS_ALLOWED (self_scm ()); + return Smob2::mark_smob (); } -ADD_SCM_INIT_FUNC (music_function_tag, init_music_function);