;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 2003--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+;;;; (c) 2003--2006 Han-Wen Nienhuys <hanwen@cs.uu.nl>
"
Internally markup is stored as lists, whose head is a function.
(values (cons 'list (compile-all-markup-args (car expr))) (cdr expr)))
(else (values (car expr) (cdr expr)))))
-;;;;;;;;;;;;;;;
-;;; Debugging utilities: print markup expressions in a friendly fashion
-
-(use-modules (ice-9 format))
-(define (markup->string markup-expr)
- "Return a string describing, in LilyPond syntax, the given markup expression."
- (define (proc->command proc)
- (let ((cmd-markup (symbol->string (procedure-name proc))))
- (substring cmd-markup 0 (- (string-length cmd-markup)
- (string-length "-markup")))))
- (define (arg->string arg)
- (cond ((and (pair? arg) (pair? (car arg))) ;; markup list
- (format #f "~{ ~a~}" (map markup->string arg)))
- ((pair? arg) ;; markup
- (markup->string arg))
- ((string? arg) ;; scheme string argument
- (format #f "#\"~a\"" arg))
- (else ;; other scheme arg
- (format #f "#~a" arg))))
- (let ((cmd (car markup-expr))
- (args (cdr markup-expr)))
- (cond ((eqv? cmd simple-markup) ;; a simple string
- (format #f "\"~a\"" (car args)))
- ((eqv? cmd line-markup) ;; { ... }
- (format #f "{~a}" (arg->string (car args))))
- ((eqv? cmd center-align-markup) ;; \center < ... >
- (format #f "\\center-align <~a>" (arg->string (car args))))
- ((eqv? cmd column-markup) ;; \column < ... >
- (format #f "\\column <~a>" (arg->string (car args))))
- (else ;; \command ...
- (format #f "\\~a~{ ~a~} " (proc->command cmd) (map arg->string args))))))
-
-(define-public (display-markup markup-expr)
- "Print a LilyPond-syntax equivalent for the given markup expression."
- (display "\\markup ")
- (display (markup->string markup-expr)))
-
;;;;;;;;;;;;;;;
;;; Utilities for storing and accessing markup commands signature
;;; and keyword.
(if (and (pair? (cdr stencils))
(ly:stencil? (cadr stencils)))
- (let* ((tail (stack-stencil-line space (cdr stencils)))
+ (let* ((tail (stack-stencil-line space (cdr stencils)))
(head (car stencils))
(xoff (+ space (cdr (ly:stencil-extent head X)))))
(ly:stencil-add head