xquery/resources/xquery-scanner.txt
author Jan Vrany <jan.vrany@fit.cvut.cz>
Mon, 02 Jul 2018 08:46:01 +0200
changeset 305 bad21c4f64bf
parent 296 ea3dbc023c80
permissions -rw-r--r--
Tagged Smalltalk/X 8.0.0

<whitespace> :  [\f\n\r\t\v]+;
<comment> : \(\:.*\:\);
<char> : [a-zA-Z];
<digit> : [0-9];
<char_ref> : ((&\#[0-9]+\;) | (&\#x[0-9a-fA-F]+\;));

<ncnamechar> : (<char> | <digit> | \. | \- | \_);
<ncname> : (<char> | \_) (<ncnamechar>)*;
<qname> : (<ncname> \:)? <ncname>;

<digits> : [0-9]+;
<integer_literal> : <digits>;
<decimal_literal> : (\.<digits>) | (<digits>\.[0-9]*);
<double_literal> : ((\.<digits>) | (<digits>(\.[0-9]*)?)) [eE] [\+\-]? <digits>;

<predefined_entity_ref> : &(lt | gt | amp | quot | apos)\;;
<escape_quot> : "";
<escape_apos> : '';

<string_literal> : (" (<predefined_entity_ref> | <char_ref> | <escape_quot> | [^"&])* ") | (' (<predefined_entity_ref> | <char_ref> | <escape_apos> | [^'&])* ');

<element_content_char> : <char> | <digit> | [ ];
<element_content_char2> : <char> - [{}<&] | <digit>;
<qout_attr_content_char> : <char> - ["{}<&];
<apos_attr_content_char> : <char> - ['{}<&];