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December 18, 2015 22:18
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ANTLR4 EJSON Grammar
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ejsonValue | |
: (ejsonLiteral | |
| ejsonUnorderedMap | |
| ejsonOrderedMap | |
| ejsonSet | |
| ejsonArray | |
| ejsonNumber | |
| ejsonString) ejsonMetadata?; | |
ejsonMetadata : '@' ejsonValue; | |
ejsonLiteral : EJSON_FALSE | EJSON_TRUE | EJSON_NULL; | |
ejsonNumber : EJSON_NUMBER; | |
ejsonString : EJSON_STRING; | |
ejsonUnorderedMap : '{' (ejsonMapping (',' ejsonMapping)*)? '}'; | |
ejsonOrderedMap : '[' (ejsonMapping (',' ejsonMapping)*)? ']'; | |
ejsonMapping : ejsonValue ':' ejsonValue; | |
ejsonSet : '{' (ejsonValue (',' ejsonValue)*)? '}'; | |
ejsonArray : '['(ejsonValue (',' ejsonValue)*)? ']'; | |
EJSON_FALSE : 'false'; | |
EJSON_TRUE : 'true'; | |
EJSON_NULL : 'null'; | |
EJSON_NUMBER : '-'? ('0' | ( '1'..'9' EJSON_INT* )) ('.' EJSON_INT+)? EJSON_EXPONENT?; | |
EJSON_STRING : '"' ( EJSON_ESC_SEQ | ~('\\'|'"') )* '"'; | |
fragment EJSON_INT : '0'..'9'+; | |
fragment EJSON_EXPONENT : ('e'|'E') ('+'|'-')? ('0'..'9')+; | |
fragment EJSON_HEX_DIGIT : ('0'..'9'|'a'..'f'|'A'..'F'); | |
fragment EJSON_ESC_SEQ : '\\' ('\"'|'\\'|'/'|'b'|'f'|'n'|'r'|'t') | EJSON_UNICODE_ESC; | |
fragment EJSON_UNICODE_ESC : '\\' 'u' EJSON_HEX_DIGIT{4}; |
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