;;; ebnf2ps.el --- translate an EBNF to a syntactic chart on PostScript
-;; Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
-;; 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+;; Copyright (C) 1999-2013 Free Software Foundation, Inc.
;; Author: Vinicius Jose Latorre <viniciusjl@ig.com.br>
;; Maintainer: Vinicius Jose Latorre <viniciusjl@ig.com.br>
;;
;; This package translates an EBNF to a syntactic chart on PostScript.
;;
-;; To use ebnf2ps, insert in your ~/.emacs:
+;; To use ebnf2ps, insert in your init file:
;;
;; (require 'ebnf2ps)
;;
;;
;; To set the above options you may:
;;
-;; a) insert the code in your ~/.emacs, like:
+;; a) insert the code in your init file, like:
;;
;; (setq ebnf-terminal-shape 'bevel)
;;
;; . Optimizations...
;;
;;
-;; Acknowledgements
-;; ----------------
+;; Acknowledgments
+;; ---------------
;;
;; Thanks to Eli Zaretskii <eliz@gnu.org> for some doc fixes.
;;
;;; Interface to the command system
(defgroup postscript nil
- "PostScript Group."
+ "Printing with PostScript"
:tag "PostScript"
:version "20"
- :group 'emacs)
+ :group 'environment)
(defgroup ebnf2ps nil
(defcustom ebnf-horizontal-orientation nil
- "*Non-nil means productions are drawn horizontally."
+ "Non-nil means productions are drawn horizontally."
:type 'boolean
:version "20"
:group 'ebnf-displacement)
(defcustom ebnf-horizontal-max-height nil
- "*Non-nil means to use maximum production height in horizontal orientation.
+ "Non-nil means to use maximum production height in horizontal orientation.
It is only used when `ebnf-horizontal-orientation' is non-nil."
:type 'boolean
(defcustom ebnf-production-horizontal-space 0.0 ; use ebnf2ps default value
- "*Specify horizontal space in points between productions.
+ "Specify horizontal space in points between productions.
Value less or equal to zero forces ebnf2ps to set a proper default value."
:type 'number
(defcustom ebnf-production-vertical-space 0.0 ; use ebnf2ps default value
- "*Specify vertical space in points between productions.
+ "Specify vertical space in points between productions.
Value less or equal to zero forces ebnf2ps to set a proper default value."
:type 'number
(defcustom ebnf-justify-sequence 'center
- "*Specify justification of terms in a sequence inside alternatives.
+ "Specify justification of terms in a sequence inside alternatives.
Valid values are:
(defcustom ebnf-special-show-delimiter t
- "*Non-nil means special delimiter (character `?') is shown."
+ "Non-nil means special delimiter (character `?') is shown."
:type 'boolean
:version "20"
:group 'ebnf-special)
(defcustom ebnf-special-font '(7 Courier "Black" "Gray95" bold italic)
- "*Specify special font.
+ "Specify special font.
See documentation for `ebnf-production-font'."
:type '(list :tag "Special Font"
(defcustom ebnf-special-shape 'bevel
- "*Specify special box shape.
+ "Specify special box shape.
See documentation for `ebnf-non-terminal-shape'."
:type '(radio :tag "Special Shape"
(defcustom ebnf-special-shadow nil
- "*Non-nil means special box will have a shadow."
+ "Non-nil means special box will have a shadow."
:type 'boolean
:version "20"
:group 'ebnf-special)
(defcustom ebnf-special-border-width 0.5
- "*Specify border width for special box."
+ "Specify border width for special box."
:type 'number
:version "20"
:group 'ebnf-special)
(defcustom ebnf-special-border-color "Black"
- "*Specify border color for special box."
+ "Specify border color for special box."
:type 'string
:version "20"
:group 'ebnf-special)
(defcustom ebnf-except-font '(7 Courier "Black" "Gray90" bold italic)
- "*Specify except font.
+ "Specify except font.
See documentation for `ebnf-production-font'."
:type '(list :tag "Except Font"
(defcustom ebnf-except-shape 'bevel
- "*Specify except box shape.
+ "Specify except box shape.
See documentation for `ebnf-non-terminal-shape'."
:type '(radio :tag "Except Shape"
(defcustom ebnf-except-shadow nil
- "*Non-nil means except box will have a shadow."
+ "Non-nil means except box will have a shadow."
:type 'boolean
:version "20"
:group 'ebnf-except)
(defcustom ebnf-except-border-width 0.25
- "*Specify border width for except box."
+ "Specify border width for except box."
:type 'number
:version "20"
:group 'ebnf-except)
(defcustom ebnf-except-border-color "Black"
- "*Specify border color for except box."
+ "Specify border color for except box."
:type 'string
:version "20"
:group 'ebnf-except)
(defcustom ebnf-repeat-font '(7 Courier "Black" "Gray85" bold italic)
- "*Specify repeat font.
+ "Specify repeat font.
See documentation for `ebnf-production-font'."
:type '(list :tag "Repeat Font"
(defcustom ebnf-repeat-shape 'bevel
- "*Specify repeat box shape.
+ "Specify repeat box shape.
See documentation for `ebnf-non-terminal-shape'."
:type '(radio :tag "Repeat Shape"
(defcustom ebnf-repeat-shadow nil
- "*Non-nil means repeat box will have a shadow."
+ "Non-nil means repeat box will have a shadow."
:type 'boolean
:version "20"
:group 'ebnf-repeat)
(defcustom ebnf-repeat-border-width 0.0
- "*Specify border width for repeat box."
+ "Specify border width for repeat box."
:type 'number
:version "20"
:group 'ebnf-repeat)
(defcustom ebnf-repeat-border-color "Black"
- "*Specify border color for repeat box."
+ "Specify border color for repeat box."
:type 'string
:version "20"
:group 'ebnf-repeat)
(defcustom ebnf-terminal-font '(7 Courier "Black" "White")
- "*Specify terminal font.
+ "Specify terminal font.
See documentation for `ebnf-production-font'."
:type '(list :tag "Terminal Font"
(defcustom ebnf-terminal-shape 'miter
- "*Specify terminal box shape.
+ "Specify terminal box shape.
See documentation for `ebnf-non-terminal-shape'."
:type '(radio :tag "Terminal Shape"
(defcustom ebnf-terminal-shadow nil
- "*Non-nil means terminal box will have a shadow."
+ "Non-nil means terminal box will have a shadow."
:type 'boolean
:version "20"
:group 'ebnf-terminal)
(defcustom ebnf-terminal-border-width 1.0
- "*Specify border width for terminal box."
+ "Specify border width for terminal box."
:type 'number
:version "20"
:group 'ebnf-terminal)
(defcustom ebnf-terminal-border-color "Black"
- "*Specify border color for terminal box."
+ "Specify border color for terminal box."
:type 'string
:version "20"
:group 'ebnf-terminal)
(defcustom ebnf-production-name-p t
- "*Non-nil means production name will be printed."
+ "Non-nil means production name will be printed."
:type 'boolean
:version "20"
:group 'ebnf-production)
(defcustom ebnf-sort-production nil
- "*Specify how productions are sorted.
+ "Specify how productions are sorted.
Valid values are:
(defcustom ebnf-production-font '(10 Helvetica "Black" "White" bold)
- "*Specify production header font.
+ "Specify production header font.
It is a list with the following form:
(defcustom ebnf-non-terminal-font '(7 Helvetica "Black" "White")
- "*Specify non-terminal font.
+ "Specify non-terminal font.
See documentation for `ebnf-production-font'."
:type '(list :tag "Non-Terminal Font"
(defcustom ebnf-non-terminal-shape 'round
- "*Specify non-terminal box shape.
+ "Specify non-terminal box shape.
Valid values are:
(defcustom ebnf-non-terminal-shadow nil
- "*Non-nil means non-terminal box will have a shadow."
+ "Non-nil means non-terminal box will have a shadow."
:type 'boolean
:version "20"
:group 'ebnf-non-terminal)
(defcustom ebnf-non-terminal-border-width 1.0
- "*Specify border width for non-terminal box."
+ "Specify border width for non-terminal box."
:type 'number
:version "20"
:group 'ebnf-non-terminal)
(defcustom ebnf-non-terminal-border-color "Black"
- "*Specify border color for non-terminal box."
+ "Specify border color for non-terminal box."
:type 'string
:version "20"
:group 'ebnf-non-terminal)
(defcustom ebnf-arrow-shape 'hollow
- "*Specify the arrow shape.
+ "Specify the arrow shape.
Valid values are:
(defcustom ebnf-chart-shape 'round
- "*Specify chart flow shape.
+ "Specify chart flow shape.
See documentation for `ebnf-non-terminal-shape'."
:type '(radio :tag "Chart Flow Shape"
(defcustom ebnf-user-arrow nil
- "*Specify a sexp for user arrow shape (a PostScript code).
+ "Specify a sexp for user arrow shape (a PostScript code).
When evaluated, the sexp should return nil or a string containing PostScript
code. PostScript code should draw a right arrow.
(defcustom ebnf-syntax 'ebnf
- "*Specify syntax to be recognized.
+ "Specify syntax to be recognized.
Valid values are:
(defcustom ebnf-lex-comment-char ?\;
- "*Specify the line comment character.
+ "Specify the line comment character.
It's used only when `ebnf-syntax' is `ebnf'."
:type 'character
(defcustom ebnf-lex-eop-char ?.
- "*Specify the end of production character.
+ "Specify the end of production character.
It's used only when `ebnf-syntax' is `ebnf'."
:type 'character
(defcustom ebnf-terminal-regexp nil
- "*Specify how it's a terminal name.
+ "Specify how it's a terminal name.
If it's nil, the terminal name must be enclosed by `\"'.
If it's a string, it should be a regexp that it'll be used to determine a
(defcustom ebnf-case-fold-search nil
- "*Non-nil means ignore case on matching.
+ "Non-nil means ignore case on matching.
It's only used when `ebnf-terminal-regexp' is non-nil and when `ebnf-syntax' is
`ebnf'."
(defcustom ebnf-iso-alternative-p nil
- "*Non-nil means use alternative ISO EBNF.
+ "Non-nil means use alternative ISO EBNF.
It's only used when `ebnf-syntax' is `iso-ebnf'.
(defcustom ebnf-iso-normalize-p nil
- "*Non-nil means normalize ISO EBNF syntax names.
+ "Non-nil means normalize ISO EBNF syntax names.
Normalize a name means that several contiguous spaces inside name become a
single space, so \"A B C\" is normalized to \"A B C\".
(defcustom ebnf-file-suffix-regexp "\.[Bb][Nn][Ff]$"
- "*Specify file name suffix that contains EBNF.
+ "Specify file name suffix that contains EBNF.
See `ebnf-eps-directory' command."
:type 'regexp
(defcustom ebnf-eps-prefix "ebnf--"
- "*Specify EPS prefix file name.
+ "Specify EPS prefix file name.
See `ebnf-eps-buffer' and `ebnf-eps-region' commands."
:type 'string
(defcustom ebnf-eps-header-font '(11 Helvetica "Black" "White" bold)
- "*Specify EPS header font.
+ "Specify EPS header font.
See documentation for `ebnf-production-font'.
(defcustom ebnf-eps-header nil
- "*Specify EPS header.
+ "Specify EPS header.
The value should be a string, a symbol or nil.
(defcustom ebnf-eps-footer-font '(7 Helvetica "Black" "White" bold)
- "*Specify EPS footer font.
+ "Specify EPS footer font.
See documentation for `ebnf-production-font'.
(defcustom ebnf-eps-footer nil
- "*Specify EPS footer.
+ "Specify EPS footer.
The value should be a string, a symbol or nil.
(defcustom ebnf-entry-percentage 0.5 ; middle
- "*Specify entry height on alternatives.
+ "Specify entry height on alternatives.
It must be a float between 0.0 (top) and 1.0 (bottom)."
:type 'number
(defcustom ebnf-default-width 0.6
- "*Specify additional border width over default terminal, non-terminal or
+ "Specify additional border width over default terminal, non-terminal or
special."
:type 'number
:version "20"
;; Printing color requires x-color-values.
(defcustom ebnf-color-p (or (fboundp 'x-color-values) ; Emacs
(fboundp 'color-instance-rgb-components)) ; XEmacs
- "*Non-nil means use color."
+ "Non-nil means use color."
:type 'boolean
:version "20"
:group 'ebnf2ps)
(defcustom ebnf-line-width 1.0
- "*Specify flow line width."
+ "Specify flow line width."
:type 'number
:version "20"
:group 'ebnf2ps)
(defcustom ebnf-line-color "Black"
- "*Specify flow line color."
+ "Specify flow line color."
:type 'string
:version "20"
:group 'ebnf2ps)
(if (eq ebnf-arrow-shape 'none)
0.0
(* (sqrt 5.0) 0.65 ebnf-line-width))
- "*Specify extra width for arrow shape drawing.
+ "Specify extra width for arrow shape drawing.
The extra width is used to avoid that the arrowhead and the terminal border
-overlap. It depens on `ebnf-arrow-shape' and `ebnf-line-width'."
+overlap. It depends on `ebnf-arrow-shape' and `ebnf-line-width'."
:type 'number
:version "22"
:group 'ebnf-shape)
(defcustom ebnf-arrow-scale 1.0
- "*Specify the arrow scale.
+ "Specify the arrow scale.
Values lower than 1.0, shrink the arrow.
Values greater than 1.0, expand the arrow."
(defcustom ebnf-debug-ps nil
- "*Non-nil means to generate PostScript debug procedures.
+ "Non-nil means to generate PostScript debug procedures.
It is intended to help PostScript programmers in debugging."
:type 'boolean
(defcustom ebnf-use-float-format t
- "*Non-nil means use `%f' float format.
+ "Non-nil means use `%f' float format.
The advantage of using float format is that ebnf2ps generates a little short
PostScript file.
(defcustom ebnf-stop-on-error nil
- "*Non-nil means signal error and stop. Otherwise, signal error and continue."
+ "Non-nil means signal error and stop. Otherwise, signal error and continue."
:type 'boolean
:version "20"
:group 'ebnf2ps)
(defcustom ebnf-yac-ignore-error-recovery nil
- "*Non-nil means ignore error recovery.
+ "Non-nil means ignore error recovery.
It's only used when `ebnf-syntax' is `yacc'."
:type 'boolean
(defcustom ebnf-ignore-empty-rule nil
- "*Non-nil means ignore empty rules.
+ "Non-nil means ignore empty rules.
It's interesting to set this variable if your Yacc/Bison grammar has a lot of
middle action rule."
(defcustom ebnf-optimize nil
- "*Non-nil means optimize syntactic chart of rules.
+ "Non-nil means optimize syntactic chart of rules.
The following optimizations are done:
(defcustom ebnf-log nil
- "*Non-nil means generate log messages.
+ "Non-nil means generate log messages.
The log messages are generated into the buffer *Ebnf2ps Log*.
These messages are intended to help debugging ebnf2ps."
See also `ebnf-print-buffer'."
(interactive
- (list (read-file-name "Directory containing EBNF files (print): "
- nil default-directory)))
+ (list (read-directory-name "Directory containing EBNF files (print): "
+ nil default-directory)))
(ebnf-log-header "(ebnf-print-directory %S)" directory)
(ebnf-directory 'ebnf-print-buffer directory))
See also `ebnf-spool-buffer'."
(interactive
- (list (read-file-name "Directory containing EBNF files (spool): "
- nil default-directory)))
+ (list (read-directory-name "Directory containing EBNF files (spool): "
+ nil default-directory)))
(ebnf-log-header "(ebnf-spool-directory %S)" directory)
(ebnf-directory 'ebnf-spool-buffer directory))
See also `ebnf-eps-buffer'."
(interactive
- (list (read-file-name "Directory containing EBNF files (EPS): "
- nil default-directory)))
+ (list (read-directory-name "Directory containing EBNF files (EPS): "
+ nil default-directory)))
(ebnf-log-header "(ebnf-eps-directory %S)" directory)
(ebnf-directory 'ebnf-eps-buffer directory))
See also `ebnf-syntax-buffer'."
(interactive
- (list (read-file-name "Directory containing EBNF files (syntax): "
- nil default-directory)))
+ (list (read-directory-name "Directory containing EBNF files (syntax): "
+ nil default-directory)))
(ebnf-log-header "(ebnf-syntax-directory %S)" directory)
(ebnf-directory 'ebnf-syntax-buffer directory))
% --- Corners
-%>corner Right Descendent: height arrow corner_RD
+%>corner Right Descendant: height arrow corner_RD
% _ | arrow
% / height > 0 | 0 - none
% | | 1 - right
Gstroke
}def
-%>corner Right Ascendent: height arrow corner_RA
+%>corner Right Ascendant: height arrow corner_RA
% | arrow
% | height > 0 | 0 - none
% / | 1 - right
Gstroke
}def
-%>corner Left Descendent: height arrow corner_LD
+%>corner Left Descendant: height arrow corner_LD
% _ | arrow
% \\ height > 0 | 0 - none
% | | 1 - right
Gstroke
}def
-%>corner Left Ascendent: height arrow corner_LA
+%>corner Left Ascendant: height arrow corner_LA
% | arrow
% | height > 0 | 0 - none
% \\ | 1 - right
/#ebnf2ps#dict 230 dict def
#ebnf2ps#dict begin
-% Initiliaze variables to avoid name-conflicting with document variables.
+% Initialize variables to avoid name-conflicting with document variables.
% This is the case when using `bind' operator.
/-fillp- 0 def /h 0 def
/-ox- 0 def /half 0 def
(when gen-func
(setq error-msg "EMPTY RULES"
tree (ebnf-eliminate-empty-rules tree))
- (setq error-msg "OPTMIZE"
+ (setq error-msg "OPTIMIZE"
tree (ebnf-optimize tree))
(setq error-msg "DIMENSIONS"
tree (ebnf-dimensions tree))
(defun ebnf-make-terminal1 (name gen-func dim-func)
- (vector gen-func ; 0 generatore
+ (vector gen-func ; 0 generator
'ignore ; 1 width fun
dim-func ; 2 dimension fun
0.0 ; 3 entry
HCoop / bpt / emacs.git / blobdiff