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/*
lqUty : loqt utilities
Author : Carlo Capelli
E-mail : cc.carlo.cap@gmail.com
Copyright (C): 2013,2014 Carlo Capelli
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
CodeMirror.defineMode("prolog", function() {
return {
startState: function() {
return { in_comment:0 };
},
token: function(stream,state) {
var token_name;
if (state.in_comment) {
token_name = 'comment';
if (stream.match("*/"))
state.in_comment--;
else if (stream.match("/*"))
state.in_comment++;
else
stream.next();
} else if (stream.match("/*")) {
token_name = 'comment';
state.in_comment++;
} else if (stream.match(/[a-zàèéìòù][A-Za-z0-9_àèéìòù]*/)) // italian oriented
token_name = 'atom';
else if (stream.match(/\'(\\\'|[^\'])*\'/))
token_name = 'atom';
else if (stream.match(/\"(\\\"|[^\"])*\"/))
token_name = 'string';
else if (stream.match(/0'./))
token_name = 'string-2';
else if (stream.match(/[A-Z_][A-Za-z0-9_]*/))
token_name = 'variable-2';
else if (stream.match(/[0-9]+(\.[0-9]+)?/))
token_name = 'number';
else if (stream.match(/[\+\-\*\/\=\^<>~:\.\?@#$\\&{}`]+/))
token_name = 'operator';
else
if (stream.next() === '%') {
stream.skipToEnd();
token_name = 'comment';
}
return token_name;
}
};
});
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