X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fmusic-function.cc;h=5d8964e7d5c078bafa0263e6c7cd746f653698d1;hb=1d509b27723ea1c359b51c0f2fe623a32867d6f9;hp=e496ec6838f38b727fb1d13ea9a8ba76e33c3b23;hpb=1e1fa5221ca359326b073626168c6b7cda6453e1;p=lilypond.git diff --git a/lily/music-function.cc b/lily/music-function.cc index e496ec6838..5d8964e7d5 100644 --- a/lily/music-function.cc +++ b/lily/music-function.cc @@ -1,13 +1,24 @@ -/* - 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--2011 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; @@ -26,48 +37,18 @@ print_music_function (SCM b, SCM port, scm_print_state *) 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; scm_is_pair (s); s = scm_cdr (s)) - { - if (str != "") - str += "-"; - - if (scm_car (s) == Music_type_p_proc) - str += "music"; - else if (ly_c_procedure_p (scm_car (s))) - str += "scm"; - } - if (str == "") str = "noarg"; - 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); } @@ -79,4 +60,14 @@ init_music_function (void) scm_set_smob_print (music_function_tag, print_music_function); } -ADD_SCM_INIT_FUNC (music_function_tag, init_music_function); +SCM +make_music_function (SCM signature, SCM func) +{ + scm_set_object_property_x (func, ly_symbol2scm ("music-function-signature"), + signature); + + SCM_RETURN_NEWSMOB (music_function_tag, func); +} + +ADD_SCM_INIT_FUNC (music_function_tag, init_music_function); +