tools/data-binding/xmlGrammar/XMLParser.g4

/*
 [The "BSD licence"]
 Copyright (c) 2013 Terence Parr
 All rights reserved.

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 1. Redistributions of source code must retain the above copyright
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    derived from this software without specific prior written permission.

 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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*/

/** XML parser derived from ANTLR v4 ref guide book example */
parser grammar XMLParser;

options { tokenVocab=XMLLexer; }

document    :   prolog? misc* element misc*;

prolog      :   XMLDeclOpen attribute* SPECIAL_CLOSE ;

content     :   chardata?
                ((element | reference | CDATA | PI | COMMENT) chardata?)* ;

element     :   '<' elmName=Name attribute* '>' content '<' '/' Name '>'
            |   '<' elmName=Name attribute* '/>'
            ;

reference   :   EntityRef | CharRef ;

attribute   :   attrName=Name '=' attrValue=STRING ; // Our STRING is AttValue in spec

/** ``All text that is not markup constitutes the character data of
 *  the document.''
 */
chardata    :   TEXT | SEA_WS ;

misc        :   COMMENT | PI | SEA_WS ;