/usr/share/lilypond/2.14.2/ly/predefined-fretboards-init.ly is in lilypond-data 2.14.2-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | %%%% This file is part of LilyPond, the GNU music typesetter.
%%%%
%%%% Copyright (C) 2008--2011 Carl D. Sorensen <c_sorensen@byu.edu>
%%%%
%%%% 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 <http://www.gnu.org/licenses/>.
\version "2.14.0"
% chord-shape-table is a hash-table of chord shapes
% in the form of diagram-descriptions that can be
% fret-diagram-verbose markup-llsts or
% fret-diagram-terse strings.
% The hash keys are pairs of scheme symbols and
% string tunings. For convenience, the symbols in
% this file are LilyPond chordmode chord descriptions,
% but that is unnecessary.
% music function for adding a chord shape to
% chord-shape-table
addChordShape =
#(define-music-function (parser location key-symbol tuning shape-definition)
(symbol? pair? string-or-pair?)
(_i "Add chord shape @var{shape-definition} to the @var{chord-shape-table}
hash with the key @var{(cons key-symbol tuning)}.")
(hash-set! chord-shape-table
(cons key-symbol tuning)
shape-definition)
(make-music 'SequentialMusic 'void #t))
#(define (chord-shape shape-code tuning)
(get-chord-shape shape-code tuning chord-shape-table))
% scheme function for copying/creating fretboard tables
#(define (make-fretboard-table . rest)
"Create a new fretboard table. @code{rest} is an optional table name.
If present, the new fretboard table starts as a copy of the fretboard
table @code{rest}."
(if (null? rest)
(make-hash-table 101)
(let ((source-table (car rest)))
(hash-fold
(lambda (key value tab)
(hash-set! tab key value)
tab)
(make-hash-table 101)
source-table))))
% music function for adding a predefined diagram to
% fretboard-table
storePredefinedDiagram =
#(define-music-function
(parser location fretboard-table chord tuning diagram-definition)
(hash-table? ly:music? pair? string-or-pair?)
(_i "Add predefined fret diagram defined by @var{diagram-definition}
for the chord pitches @var{chord} and the stringTuning @var{tuning}.")
(let* ((pitches (event-chord-pitches
(car (extract-named-music chord 'EventChord))))
(hash-key (cons tuning pitches))
(verbose-definition (if (string? diagram-definition)
(parse-terse-string diagram-definition)
diagram-definition)))
(hash-set! fretboard-table
hash-key
verbose-definition)
(make-music 'SequentialMusic 'void #t)))
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