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# Prolog language definition file
#
# Author: Andre Simon
# Mail: andre.simon1@gmx.de
# Date: 08.02.04
# ------------------------------------------
# This file is a part of highlight, a free source code converter released under the GPL.
#
# The file is used to describe keywords and special symbols of programming languages.
# See README in the highlight directory for details.
#
# New definition files for future releases of highlight are always appreciated ;)
#
# ----------
# andre.simon1@gmx.de
# http:/www.andre-simon.de/
$DESCRIPTION=Prolog
$KEYWORDS(kwa)= true fail at_end_of_stream nl repeat halt is rem mod
$KEYWORDS(kwb)=call catch throw unify_with_occurs_check var atom integer float atomic compound nonvar number functor arg copy_term clause current_predicate asserta assertz retract
abolish findall bagof setof current_input current_output set_input set_output open close stream_property at_end_of_stream set_stream_position get_char get_code peek_char
peek_code put_char put_code nl get_byte peek_byte put_byte read_term read write_term write writeq write_canonical op current_op char_conversion current_char_conversion once
atom_length atom_concat sub_atom atom_chars atom_codes char_code number_chars number_codes set_prolog_flag current_prolog_flag halt sin cos atan exp log sqrt
#avoid highlighting of 0'var as string
$KEYWORDS(kwc)=regex(0(')\w+)
$KEYWORDS(kwd)=regex((\w+)\s*\()
$STRINGDELIMITERS=" '
$SL_COMMENT=%
$ML_COMMENT=/* */
$ALLOWNESTEDCOMMENTS=false
$IGNORECASE=false
$DIRECTIVE=#
$ESCCHAR=regex(\\\d{3}|\\x\p{XDigit}{2}|\\[ntvbrfa\\\?'"])
$SYMBOLS= ( ) [ ] { } , ; : & | < > ! = / * + - .
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