X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Flily.scm;h=4905e0687b6977e1284728d4fa0eae561e16a510;hb=49eeb56077b2ba917f94ae8641dc2f025583ce84;hp=3ad7fb580e32542bdb09c1ca818db759c62f9051;hpb=cb20a87a5875c0f9d4c7550e831db2d03bc9a41c;p=lilypond.git diff --git a/scm/lily.scm b/scm/lily.scm index 3ad7fb580e..4905e0687b 100644 --- a/scm/lily.scm +++ b/scm/lily.scm @@ -1,6 +1,6 @@ ;;;; This file is part of LilyPond, the GNU music typesetter. ;;;; -;;;; Copyright (C) 1998--2011 Jan Nieuwenhuizen +;;;; Copyright (C) 1998--2012 Jan Nieuwenhuizen ;;;; Han-Wen Nienhuys ;;;; ;;;; LilyPond is free software: you can redistribute it and/or modify @@ -43,6 +43,83 @@ (string-downcase (car (string-tokenize (utsname:sysname (uname))))))) +(define lilypond-declarations '()) + +(defmacro-public define-session (name value) + "This defines a variable @var{name} with the starting value +@var{value} that is reinitialized at the start of each session. +A@tie{}session basically corresponds to one LilyPond file on the +command line. The value is recorded at the start of the first session +after loading all initialization files and before loading the user +file and is reinstated for all of the following sessions. This +happens just by replacing the value, not by copying structures, so you +should not destructively modify them. For example, lists defined in +this manner should be changed within a session only be adding material +to their front or replacing them altogether, not by modifying parts of +them. It is an error to call @code{define-session} after the first +session has started." + (define (add-session-variable name value) + (if (ly:undead? lilypond-declarations) + (ly:error (_ "define-session used after session start"))) + (let ((var (make-variable value))) + (module-add! (current-module) name var) + (set! lilypond-declarations (cons var lilypond-declarations)))) + `(,add-session-variable ',name ,value)) + +(defmacro-public define-session-public (name value) + "Like @code{define-session}, but also exports @var{name}." + `(begin + (define-session ,name ,value) + (export ,name))) + +(define (session-terminate) + (if (ly:undead? lilypond-declarations) + (for-each + (lambda (p) (variable-set! (cadr p) (cddr p))) + (ly:get-undead lilypond-declarations)))) + +(define-public (session-initialize thunk) + "Initialize this session. The first session in a LilyPond run is +initialized by calling @var{thunk}, then recording the values of all +variables in the current module as well as those defined with +@code{define-session}. Subsequent calls of @code{session-initialize} +ignore @var{thunk} and instead just reinitialize all recorded +variables to their value after the initial call of @var{thunk}." + +;; We need to save the variables of the current module along with +;; their values: functions defined in the module might refer to the +;; variables. + +;; The entries in lilypond-declarations consist of a cons* consisting +;; of symbol, variable, and value. Variables defined with +;; define-session have the symbol set to #f. + + (if (ly:undead? lilypond-declarations) + (begin + (for-each + (lambda (p) + (let ((var (cadr p)) + (val (cddr p))) + (variable-set! var val) + (if (car p) + (module-add! (current-module) (car p) var)))) + (ly:get-undead lilypond-declarations))) + (begin + (thunk) + (let ((decl (map! (lambda (v) + (cons* #f v (variable-ref v))) + lilypond-declarations))) + (module-for-each + (lambda (s v) + (let ((val (variable-ref v))) + (if (not (ly:lily-parser? val)) + (set! decl + (cons + (cons* s v val) + decl))))) + (current-module)) + (set! lilypond-declarations (ly:make-undead decl)))))) + (define scheme-options-definitions `( ;; NAMING: either @@ -219,7 +296,8 @@ messages into errors.") (srfi srfi-14) (scm clip-region) (scm memory-trace) - (scm coverage)) + (scm coverage) + (scm safe-utility-defs)) (define-public _ gettext) ;;; There are new modules defined in Guile V2.0 which we need to use. @@ -288,7 +366,6 @@ messages into errors.") (if (memq (ly:get-option 'backend) music-string-to-path-backends) (ly:set-option 'music-strings-to-paths #t)) - (define-public (ly:load x) (let* ((file-name (%search-load-path x))) (ly:debug "[~A" file-name) @@ -344,27 +421,6 @@ messages into errors.") (fresh-interface!)))) (set-module-obarray! iface (module-obarray mod)))))) -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -;; Safe definitions utility - -(define safe-objects - (list)) - -(define-macro (define-safe-public arglist . body) - "Define a variable, export it, and mark it as safe, i.e. usable in -LilyPond safe mode. The syntax is the same as `define*-public'." - (define (get-symbol arg) - (if (pair? arg) - (get-symbol (car arg)) - arg)) - - (let ((safe-symbol (get-symbol arglist))) - `(begin - (define*-public ,arglist - ,@body) - (set! safe-objects (cons (cons ',safe-symbol ,safe-symbol) - safe-objects)) - ,safe-symbol))) (define-safe-public (lilypond-version) (string-join @@ -428,6 +484,7 @@ LilyPond safe mode. The syntax is the same as `define*-public'." "font.scm" "encoding.scm" + "bar-line.scm" "flag-styles.scm" "fret-diagrams.scm" "tablature.scm" @@ -439,6 +496,7 @@ LilyPond safe mode. The syntax is the same as `define*-public'." "define-grobs.scm" "define-grob-interfaces.scm" "define-stencil-commands.scm" + "scheme-engravers.scm" "titling.scm" "text.scm" @@ -508,13 +566,14 @@ LilyPond safe mode. The syntax is the same as `define*-public'." `((,boolean-or-symbol? . "boolean or symbol") (,color? . "color") (,cheap-list? . "list") + (,fraction? . "fraction, as pair") (,grob-list? . "list of grobs") - ;; this is built on cheap-list - (,list-or-symbol? . "list or symbol") + (,index? . "non-negative integer") (,markup? . "markup") (,markup-command-list? . "markup command list") (,markup-list? . "markup list") (,moment-pair? . "pair of moment objects") + (,number-list? . "number list") (,number-or-grob? . "number or grob") (,number-or-pair? . "number or pair") (,number-or-string? . "number or string") @@ -522,19 +581,25 @@ LilyPond safe mode. The syntax is the same as `define*-public'." (,rhythmic-location? . "rhythmic location") (,scheme? . "any type") (,string-or-pair? . "string or pair") + (,string-or-music? . "string or music") (,string-or-symbol? . "string or symbol") + (,symbol-list? . "symbol list") + (,symbol-list-or-music? . "symbol list or music") + (,symbol-list-or-symbol? . "symbol list or symbol") (,void? . "void") )) (define-public lilypond-exported-predicates - `((,ly:box? . "box") + `((,ly:book? . "book") + (,ly:box? . "box") (,ly:context? . "context") + (,ly:context-def? . "context definition") (,ly:context-mod? . "context modification") (,ly:dimension? . "dimension, in staff space") (,ly:dir? . "direction") (,ly:dispatcher? . "dispatcher") (,ly:duration? . "duration") - (,ly:event? . "event") + (,ly:event? . "post event") (,ly:font-metric? . "font metric") (,ly:grob? . "graphical (layout) object") (,ly:grob-array? . "array of grobs") @@ -611,6 +676,10 @@ LilyPond safe mode. The syntax is the same as `define*-public'." (define gc-protect-stat-count 0) +;; Undead objects that should be ignored after the first time round +(define gc-zombies + (make-weak-key-hash-table 0)) + (define-public (dump-live-object-stats outfile) (for-each (lambda (x) (format outfile "~a: ~a\n" (car x) (cdr x))) @@ -657,6 +726,13 @@ LilyPond safe mode. The syntax is the same as `define*-public'." (ly:set-option 'debug-gc-assert-parsed-dead #t) (gc) (ly:set-option 'debug-gc-assert-parsed-dead #f) + (for-each + (lambda (x) + (if (not (hashq-ref gc-zombies x)) + (begin + (ly:programming-error "Parsed object should be dead: ~a" x) + (hashq-set! gc-zombies x #t)))) + (ly:parsed-undead-list!)) (set! stats (gc-live-object-stats)) (ly:progress "Dumping live object statistics.\n") (dump-live-object-stats outfile))) @@ -742,7 +818,7 @@ PIDs or the number of the process." (> (string-length s) 0)) (apply append (map (lambda (f) - (string-split (ly:gulp-file f) #\nl)) + (string-split (string-delete (ly:gulp-file f) #\cr) #\nl)) files))))) (if (and (number? (ly:get-option 'job-count)) (>= (length files) (ly:get-option 'job-count))) @@ -813,10 +889,11 @@ PIDs or the number of the process." (let* ((failed '()) (separate-logs (ly:get-option 'separate-log-files)) (ping-log - (if separate-logs - (open-file (if (string-or-symbol? (ly:get-option 'log-file)) - (format #f "~a.log" (ly:get-option 'log-file)) - "/dev/stderr") "a") #f)) + (and separate-logs + (if (string-or-symbol? (ly:get-option 'log-file)) + (open-file (format #f "~a.log" (ly:get-option 'log-file)) + "a") + (fdes->outport 2)))) (do-measurements (ly:get-option 'dump-profile)) (handler (lambda (key failed-file) (set! failed (append (list failed-file) failed))))) @@ -836,6 +913,7 @@ PIDs or the number of the process." (mtrace:start-trace (ly:get-option 'trace-memory-frequency))) (lilypond-file handler x) (ly:check-expected-warnings) + (session-terminate) (if start-measurements (dump-profile x start-measurements (profile-measurements))) (if (ly:get-option 'trace-memory-frequency) @@ -847,6 +925,13 @@ PIDs or the number of the process." (ly:set-option 'debug-gc-assert-parsed-dead #t) (gc) (ly:set-option 'debug-gc-assert-parsed-dead #f) + (for-each + (lambda (x) + (if (not (hashq-ref gc-zombies x)) + (begin + (ly:programming-error "Parsed object should be dead: ~a" x) + (hashq-set! gc-zombies x #t)))) + (ly:parsed-undead-list!)) (if (ly:get-option 'debug-gc) (dump-gc-protects) (ly:reset-all-fonts))