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-rw-r--r--src/guile/skribilo/package/eq/lout.scm84
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)