ly/init.ly

   1 %% Toplevel initialisation file.
   2
   3 %% switch on debugging.
   4 #(if (and #t (defined? 'set-debug-cell-accesses!))
   5   (set-debug-cell-accesses! 5000))
   6
   7 \version "2.12.0"
   8
   9 \include "declarations-init.ly"
  10
  11
  12 #(ly:set-option 'old-relative #f)
  13 #(define toplevel-scores (list))
  14 #(define toplevel-bookparts (list))
  15 #(define $defaultheader #f)
  16 #(define $current-book #f)
  17 #(define $current-bookpart #f)
  18 #(define version-seen #f)
  19 #(define expect-error #f)
  20 #(define output-empty-score-list #f)
  21 #(define output-suffix #f)
  22 #(define book-filename #f)
  23 #(define book-output-suffix #f)
  24 #(use-modules (scm clip-region))
  25 \maininput
  26 %% there is a problem at the end of the input file
  27
  28 %%
  29 %% Above and below comments compensate for the parser's look-ahead.
  30 %%
  31
  32 #(if (and (ly:get-option 'old-relative)
  33       (defined? 'input-file-name)
  34       (not (ly:get-option 'old-relative-used)))
  35   (old-relative-not-used-message input-file-name))%% there is a problem at the end of the input file
  36
  37 #(if (and (not version-seen)
  38       (defined? 'input-file-name))
  39   (version-not-seen-message input-file-name))
  40
  41 #(ly:set-option 'protected-scheme-parsing #f)
  42
  43 #(let ((book-handler (if (defined? 'default-toplevel-book-handler)
  44                          default-toplevel-book-handler
  45                          toplevel-book-handler)))
  46    (cond ((pair? toplevel-bookparts)
  47           (let ((book (ly:make-book $defaultpaper $defaultheader)))
  48             (map (lambda (part)
  49                    (ly:book-add-bookpart! book part))
  50                  (reverse! toplevel-bookparts))
  51             (set! toplevel-bookparts (list))
  52             ;; if scores have been defined after the last explicit \bookpart:
  53             (if (pair? toplevel-scores)
  54                 (map (lambda (score)
  55                        (ly:book-add-score! book score))
  56                      (reverse! toplevel-scores)))
  57             (set! toplevel-scores (list))
  58             (book-handler parser book)))
  59          ((or (pair? toplevel-scores) output-empty-score-list)
  60           (let ((book (apply ly:make-book $defaultpaper
  61                              $defaultheader toplevel-scores)))
  62             (set! toplevel-scores (list))
  63             (book-handler parser book)))))
  64
  65 #(if (eq? expect-error (ly:parser-has-error? parser))
  66   (ly:parser-clear-error parser)
  67   (if expect-error
  68    (ly:parser-error parser (_ "expected error, but none found"))))