X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=ly%2Finit.ly;h=394b122f3168a0b4f2b2880ba6500fa4029a8fe7;hb=7ee3f9d9ba0dd043bb82beaa3c4ce21c0e1626fe;hp=10f2c4959357f24158b2da6f7873c72d8adb5967;hpb=a1d72ee4c631e40978415d31666337beaebceabc;p=lilypond.git

diff --git a/ly/init.ly b/ly/init.ly
index 10f2c49593..394b122f31 100644
--- a/ly/init.ly
+++ b/ly/init.ly
@@ -1,8 +1,81 @@
-% Toplevel initialisation file. 
-	
-\version "1.0.21";
+%% Toplevel initialisation file.
 
+%% switch on debugging.
+#(if (and #t (defined? 'set-debug-cell-accesses!))
+  (set-debug-cell-accesses! 5000))
 
-\include "declarations.ly";
+\version "2.19.22"
+
+#(if (guile-v2)
+  (use-modules (ice-9 curried-definitions)))
+
+#(session-initialize
+  (lambda ()
+   ;; we can't use ly:parser-include-string here since that does not
+   ;; actually do any parsing but merely switches inputs, so the
+   ;; session saved by the session initializer after calling this
+   ;; function has not actually started.  A parser clone, in contrast,
+   ;; can run and complete synchronously and shares the module with
+   ;; the current parser.
+   (ly:parser-parse-string (ly:parser-clone)
+    "\\include \"declarations-init.ly\"")))
+
+#(note-names-language default-language)
+
+#(define toplevel-scores (list))
+#(define toplevel-bookparts (list))
+#(define $defaultheader #f)
+#(define $current-book #f)
+#(define $current-bookpart #f)
+#(define version-seen #f)
+#(define expect-error #f)
+#(define output-empty-score-list #f)
+#(define output-suffix #f)
+
+#(use-modules (scm clip-region))
+#(use-modules (srfi srfi-1))
+#(use-modules (ice-9 pretty-print))
+
+$(if (ly:get-option 'include-settings)
+  (ly:parser-include-string
+    (format #f "\\include \"~a\"" (ly:get-option 'include-settings))))
 
 \maininput
+%% there is a problem at the end of the input file
+
+%%
+%% Above and below comments compensate for the parser's look-ahead.
+%%
+
+#(if (and (not version-seen)
+      (defined? 'input-file-name))
+  (version-not-seen-message input-file-name))
+
+#(ly:set-option 'protected-scheme-parsing #f)
+
+#(let ((book-handler (if (defined? 'default-toplevel-book-handler)
+                         default-toplevel-book-handler
+                         toplevel-book-handler)))
+   (cond ((pair? toplevel-bookparts)
+          (let ((book (ly:make-book $defaultpaper $defaultheader)))
+            (for-each (lambda (part)
+                        (ly:book-add-bookpart! book part))
+                      (reverse! toplevel-bookparts))
+            (set! toplevel-bookparts (list))
+            ;; if scores have been defined after the last explicit \bookpart:
+            (if (pair? toplevel-scores)
+                (for-each (lambda (score)
+                            (ly:book-add-score! book score))
+                          (reverse! toplevel-scores)))
+            (set! toplevel-scores (list))
+            (book-handler book)))
+         ((or (pair? toplevel-scores) output-empty-score-list)
+          (let ((book (apply ly:make-book $defaultpaper
+                             $defaultheader toplevel-scores)))
+            (set! toplevel-scores (list))
+            (book-handler book)))))
+
+#(if (eq? expect-error (ly:parser-has-error?))
+  (ly:parser-clear-error)
+  (if expect-error
+   (ly:parser-error (_ "expected error, but none found"))))