65 lines
1.1 KiB
Plaintext
65 lines
1.1 KiB
Plaintext
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lexer grammar XPathLexer;
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tokens { TOKEN_REF, RULE_REF }
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/*
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path : separator? word (separator word)* EOF ;
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separator
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: '/' '!'
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| '//' '!'
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| '/'
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| '//'
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;
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word: TOKEN_REF
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| RULE_REF
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| STRING
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| '*'
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;
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*/
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ANYWHERE : '//' ;
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ROOT : '/' ;
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WILDCARD : '*' ;
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BANG : '!' ;
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ID : NameStartChar NameChar*
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{
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if (isupper(getText()[0]))
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setType(TOKEN_REF);
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else
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setType(RULE_REF);
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}
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;
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fragment
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NameChar : NameStartChar
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| '0'..'9'
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| '_'
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| '\u00B7'
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| '\u0300'..'\u036F'
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| '\u203F'..'\u2040'
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;
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fragment
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NameStartChar
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: 'A'..'Z' | 'a'..'z'
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| '\u00C0'..'\u00D6'
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| '\u00D8'..'\u00F6'
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| '\u00F8'..'\u02FF'
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| '\u0370'..'\u037D'
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| '\u037F'..'\u1FFF'
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| '\u200C'..'\u200D'
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| '\u2070'..'\u218F'
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| '\u2C00'..'\u2FEF'
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| '\u3001'..'\uD7FF'
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| '\uF900'..'\uFDCF'
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| '\uFDF0'..'\uFFFF' // implicitly includes ['\u10000-'\uEFFFF]
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;
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STRING : '\'' .*? '\'';
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//WS : [ \t\r\n]+ -> skip ;
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