# Style sheet for common shell constructs
# Used by sh, csh, tcsh, zsh
#
# Copyright (c) 1999 Akim Demaille, Miguel Santana
#

#
# This file is part of a2ps.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING.  If not, see
# <https://www.gnu.org/licenses/gpl-3.0.html>.
#

## 0.1 Akim Demaille
# Initial creation

style "Shell" is
written by "Akim Demaille <akim@freefriends.org>"
version is 1.0
requires a2ps 4.12a

first alphabet is
   "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_-/$."
second alphabet is
   "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_/$#."
case sensitive

documentation is
  "This style sheet is not meant to be used directly, but rather an as"
  "ancestor for shell style sheets."
end documentation

sequences are
    "#" Comment,
    C-string,
    C-char,

    # Here documents.  I take as a rule, something which starts with
    # EO[CHARACTERS IN UPPERCASE] and ends with the same pattern
    # (hence not necessarily the same tag, but it seems to be a good
    # guess)
    /<<[[:blank:]]*\\\\?EO[A-Z]+/ Plain /^EO[A-Z]+/,

    # This is a type of here-docs met in shar files
    /<<[[:blank:]]*________This_Is_The_END________/ Plain
    /^________This_Is_The_END________$/
end sequences

operators are
  # Definition of a function
  (/^([a-zA-Z_][a-zA-Z0-9_]*)\\(\\)/
     \1 Label, "()" Plain),

  # Beware of \", \`  and \' alone.  Lets make general
  /\\\\./
end operators

end style
