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# Style sheet for Fortran 90 keywords
# last modified 1999 08
#
# 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, write to
# the Free Software Foundation, 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
style "Fortran 90 Keywords" is
written by "Denis Girou <Denis.Girou@idris.fr>, Alexander Mai <st002279@hrzpub.tu-darmstadt.de>"
version is 0.52
requires a2ps version 4.12a
documentation is
"This sheet implements the superset which Fortran 90 and Fortran 95 provide"
"over Fortran 77."
""
"See the documentation of the style sheet code(fortran)code for more details."
end documentation
# get the Fortran 77 stuff
ancestors are
for77kwds
end ancestors
keywords in Keyword_strong are
allocatable, allocate,
"case", contains, continue, cycle,
deallocate,
elemental, /end *block *data/, /end *do/, /end *file/, /end *if/,
/end *select/, /end *type/, /end *where/, exit,
forall,
include, intent,
kind,
namelist, nullify,
only, "optional",
pointer, pure,
recursive, result,
/select *case/,
target, type,
where, while
end keywords
# Intrinsics and others
keywords in Keyword_strong are # Shall we use 'Keyword' instead !?
adjustl, adjustr, advance, all, allocated, any, associated,
bit_size, blank, btest, ceiling, char, cshift,
date_and_time, dot_product, dprod,
eoshift, epsilon, exponent,
floor, fraction,
huge,
iachar, iand, ichar, ieor, ifix, index, ior,
ishft, ishftc,
lbound, len_trim,
matmul, maxexponent, maxloc, maxval,
merge, minexponent, minloc, minval, modulo, mvbits,
nearest, nint, not,
pack, precision, present, product,
random_number, random_seed, range, repeat, reshape, rrspacing,
scale, scan, selected_int_kind, selected_real_kind,
set_exponent, shape, size, spacing, spread, sum,
system_clock,
tiny, transfer, transpose, trim,
ubound, unpack,
verify
end keywords
# Other keywords which are not so important
keywords in Keyword are
private, public
end keywords
operators are
# Intent Attributes
( # 1. opening bracket
/(\\( *)/
# 2. keyword
/(in|inout|out)/
# 3. closing bracket
/( *\\))/
\1 Plain , \2 Keyword, \3 Plain),
# Named parameters for built-in commands
( #1. keyword
/(access|action|blank|delim|err|file|form|iostat|name|named|nextrec/
/|pad|position|recl|sequential|size|status)/
# 2. space and '='
/([[:space:]]+=)/
\1 Keyword, \2)
end operators
# Nice additions to F77
optional operators are
">=" \geq,
"<=" \leq,
"/=" \neq,
"=>" \Rightarrow
end operators
operators are
# end of named entities (including keyword)
(# 1. keyword
/(end)/
# 2. Spaces
/([[:space:]]+)/
# 3. keyword
/(program|subroutine|function|module|interface)/
\1 Keyword_strong, \2, \3 Keyword_strong),
# end of named entities (including keyword & name)
(# 1. keyword
/(end)/
# 2. Spaces
/([[:space:]]+)/
# 3. keyword
/(program|subroutine|function|module|interface)/
# 4. Spaces
/([[:space:]]+)/
# 5. The label
/([^[:space:];!]+)/
\1 Keyword_strong, \2, \3 Keyword_strong, \4, \5 Label_strong),
# Module
(# 1. The keyword
/(module)/
# 2. Spaces
/([[:space:]]+)/
# 3. The label
/([^[:space:]]+)/
# 4. empty rest of line
/([[:space:]]+$)/
\1 Keyword_strong, \2, \3 Label_strong, \4),
# Module procedure
(# 1, 2, 3. The keywords
/(module)([[:space:]]+)(procedure)/
# 4. Spaces
/([[:space:]]+)/
# 5. The label
/([^[:space:]]+)/
\1 Keyword_strong, \2, \3 Keyword_strong, \4, \5 Label_strong),
# Interface block without name
(# 1, The keyword
/(interface)/
# 2 spaces
/([[:space:]]*)/
\1 Keyword_strong, \2),
# Interfaces with generic name
(# 1. The keyword
/(interface)/
# 2. Spaces
/([[:space:]]+)/
# 3. The label
/([^[:space:](]+)/
\1 Keyword_strong, \2, \3 Label_strong),
# Assignment/Operator Interfaces
(# 1, 2, 3. The keywords
/(interface)([[:space:]]+)(assignment|operator)/
# 4. Spaces and opening `('
/([[:space:]]*\\()/
# 5. The operator
/([^[:space:])]+)/
# 6. The closing ')'
/(\\)[[:space:]]*)/
\1 Keyword_strong, \2, \3 Keyword_strong, \4, \5 Label, \6),
# Use; here is room for improvements since it
# may take more arguments than only a single label ...
(# 1. The keyword
/(use)/
# 2. Spaces
/([[:space:]]+)/
# 3. The label
/([^[:space:](]+)/
\1 Keyword_strong, \2, \3 Label)
end operators
end style
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