88 lines
1.5 KiB
ANTLR
88 lines
1.5 KiB
ANTLR
/*******************************************************************************
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* Copyright (c) 2016 Pivotal, Inc.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Pivotal, Inc. - initial API and implementation
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*******************************************************************************/
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/**
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* Based on the answer to this Stack Overflow question:
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* http://stackoverflow.com/questions/6132529/antlr-parsing-java-properties
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*/
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grammar JavaProperties;
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parse
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: line* EOF
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;
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line
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: propertyLine
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| commentLine
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| emptyLine
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;
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propertyLine
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: Space* keyValuePair
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;
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commentLine
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: Space* (Exclamation | Number) ~(LineBreak)* (LineBreak | EOF)
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;
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emptyLine
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: Space* LineBreak
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;
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keyValuePair
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: key separatorAndValue (LineBreak | EOF)
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;
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key
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: keyChar+
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;
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keyChar
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: IdentifierChar
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| Backslash (Colon | Equals)
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;
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separatorAndValue
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: (Space | Colon | Equals) valueChar*
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;
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valueChar
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: IdentifierChar
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| Exclamation
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| Number
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| Space
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| Backslash LineBreak
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| Equals
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| Colon
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;
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Backslash : '\\';
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Colon : ':';
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Equals : '=';
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Exclamation: '!';
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Number : '#';
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LineBreak
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: '\r'? '\n'
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| '\r'
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;
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Space
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: ' '
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| '\t'
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| '\f'
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;
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IdentifierChar
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: ~(' ' | ':' | '=' | '\r' | '\n' )
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;
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