54 lines
1.2 KiB
Plaintext
54 lines
1.2 KiB
Plaintext
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grammar SimpleBoolean;
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@header {
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package org.idempiere.expression.logic;
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}
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parse
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: expression EOF
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;
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expression
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: LPAREN expression RPAREN #parenExpression
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| NOT expression #notExpression
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| left=expression op=comparator right=expression #comparatorExpression
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| left=expression op=binary right=expression #binaryExpression
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| bool #boolExpression
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| VARIABLE #contextVariables
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| QTEXT #quotedText
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| DQTEXT #doubleQuotedText
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| TEXT #text
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| DECIMAL #decimalExpression
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;
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comparator
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: GT | GE | LT | LE | EQ | NE | RE
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;
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binary
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: AND | OR
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;
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bool
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: TRUE | FALSE
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;
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AND : '&' ;
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OR : '|' ;
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NOT : '$!';
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TRUE : 'true' ;
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FALSE : 'false' ;
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GT : '>' ;
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GE : '>=' ;
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LT : '<' ;
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LE : '<=' ;
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EQ : '=' ;
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NE : [!^] ;
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RE : '~' ;
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LPAREN : '(' ;
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RPAREN : ')' ;
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DECIMAL : '-'? [0-9]+ ( '.' [0-9]+ )? ;
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VARIABLE : '@'(.*?)'@' ;
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QTEXT : ['](.*?)['] ;
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DQTEXT : ["](.*?)["] ;
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TEXT : [a-zA-Z_0-9,]+ ;
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WS : [ \r\t\u000C\n]+ -> skip;
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