diff options
Diffstat (limited to 'src/guile/skribilo/package/eq/lout.scm')
| -rw-r--r-- | src/guile/skribilo/package/eq/lout.scm | 84 |
1 files changed, 39 insertions, 45 deletions
diff --git a/src/guile/skribilo/package/eq/lout.scm b/src/guile/skribilo/package/eq/lout.scm index 64bc070..e5d8d85 100644 --- a/src/guile/skribilo/package/eq/lout.scm +++ b/src/guile/skribilo/package/eq/lout.scm @@ -1,6 +1,6 @@ ;;; lout.scm -- Lout implementation of the `eq' package. ;;; -;;; Copyright 2005, 2006, 2007 Ludovic Courtès <ludovic.courtes@laas.fr> +;;; Copyright 2005, 2006, 2007, 2008 Ludovic Courtès <ludo@gnu.org> ;;; ;;; ;;; This program is free software; you can redistribute it and/or modify @@ -116,28 +116,20 @@ (error "unsupported mul style" style)))) -(define-macro (simple-lout-markup-writer sym . args) +(define (simple-lout-markup-writer sym . args) (let* ((lout-name (if (null? args) (symbol->string sym) (car args))) (parentheses? (if (or (null? args) (null? (cdr args))) #t (cadr args))) - (precedence (operator-precedence sym)) + (precedence (operator-precedence sym))) - (open-par (if parentheses? - `(if need-paren? %left-paren "") - "")) - (close-par (if parentheses? - `(if need-paren? %right-paren "") - ""))) - - `(markup-writer ',(symbol-append 'eq: sym) (find-engine 'lout) + (markup-writer (symbol-append 'eq: sym) (find-engine 'lout) :action (lambda (node engine) - (let* ((lout-name ,(if (string? lout-name) - lout-name - `(,lout-name node - engine))) + (let* ((lout-name (if (string? lout-name) + lout-name + (lout-name node engine))) (eq (ast-parent node)) (eq-parent (ast-parent eq))) @@ -148,25 +140,27 @@ (let* ((align? (and first? (is-markup? eq-parent 'eq-display) - (eq? ',sym + (eq? sym (markup-option eq :align-with)) (direct-equation-child? node))) (op (car operands)) (eq-op? (equation-markup? op)) (need-paren? - (and eq-op? + (and parentheses? eq-op? (>= (operator-precedence (equation-markup-name->operator (markup-markup op))) - ,precedence))) - (column (port-column (current-output-port)))) + precedence))) + (open-par (if need-paren? %left-paren "")) + (close-par (if need-paren? %right-paren "")) + (column (port-column (current-output-port)))) ;; Work around Lout's limitations... - (if (> column 1000) (display "\n")) + (if (> column 1000) (newline)) - (display (string-append " { " ,open-par)) + (display (string-append " { " open-par)) (output op engine) - (display (string-append ,close-par " }")) + (display (string-append close-par " }")) (if (pair? (cdr operands)) (display (string-append " " (if align? "^" "") @@ -180,10 +174,10 @@ ;; horizontal bar of `/', we don't need to parenthesize its arguments. -(simple-lout-markup-writer +) -(simple-lout-markup-writer - "-") +(simple-lout-markup-writer '+) +(simple-lout-markup-writer '- "-") -(simple-lout-markup-writer * +(simple-lout-markup-writer '* (lambda (n e) ;; Obey either the per-node `:mul-style' or the ;; top-level one. @@ -192,7 +186,7 @@ (let ((eq (ast-parent n))) (markup-option eq :mul-style)))))) -(simple-lout-markup-writer / +(simple-lout-markup-writer '/ (lambda (n e) ;; Obey either the per-node `:div-style' or the ;; top-level one. @@ -201,15 +195,15 @@ (let ((eq (ast-parent n))) (markup-option eq :div-style))))) #f) -(simple-lout-markup-writer modulo "mod") -(simple-lout-markup-writer =) -(simple-lout-markup-writer <) -(simple-lout-markup-writer >) -(simple-lout-markup-writer <=) -(simple-lout-markup-writer >=) - -(define-macro (binary-lout-markup-writer sym lout-name) - `(markup-writer ',(symbol-append 'eq: sym) (find-engine 'lout) +(simple-lout-markup-writer 'modulo "mod") +(simple-lout-markup-writer '=) +(simple-lout-markup-writer '<) +(simple-lout-markup-writer '>) +(simple-lout-markup-writer '<=) +(simple-lout-markup-writer '>=) + +(define (binary-lout-markup-writer sym lout-name) + (markup-writer (symbol-append 'eq: sym) (find-engine 'lout) :action (lambda (node engine) (let ((body (markup-body node))) (if (= (length body) 2) @@ -223,16 +217,16 @@ (if parentheses? (display %left-paren)) (output first engine) (if parentheses? (display %right-paren)) - (display ,(string-append " } " lout-name " { ")) + (display (string-append " } " lout-name " { ")) (output second engine) (display " } } ")) - (skribe-error ,(symbol-append 'eq: sym) + (skribe-error (symbol-append 'eq: sym) "wrong number of arguments" body)))))) -(binary-lout-markup-writer expt "sup") -(binary-lout-markup-writer in "in") -(binary-lout-markup-writer notin "notin") +(binary-lout-markup-writer 'expt "sup") +(binary-lout-markup-writer 'in "in") +(binary-lout-markup-writer 'notin "notin") (markup-writer 'eq:apply (find-engine 'lout) :action (lambda (node engine) @@ -286,13 +280,13 @@ ;;; Sums, products, integrals, etc. ;;; -(define-macro (range-lout-markup-writer sym lout-name) - `(markup-writer ',(symbol-append 'eq: sym) (find-engine 'lout) +(define (range-lout-markup-writer sym lout-name) + (markup-writer (symbol-append 'eq: sym) (find-engine 'lout) :action (lambda (node engine) (let ((from (markup-option node :from)) (to (markup-option node :to)) (body (markup-body node))) - (display ,(string-append " { " + (display (string-append " { " (if (*use-lout-math?*) "" "big ") @@ -305,8 +299,8 @@ (output body engine) (display " } } "))))) -(range-lout-markup-writer sum "sum") -(range-lout-markup-writer product "prod") +(range-lout-markup-writer 'sum "sum") +(range-lout-markup-writer 'product "prod") (markup-writer 'eq:script (find-engine 'lout) :action (lambda (node engine) |