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allow .123 as float literal syntax. Fixes #103

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Irmen de Jong 2023-03-26 21:09:15 +02:00
parent 5cbf859458
commit f67d5faeb7
1 changed files with 4 additions and 2 deletions
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6
parser/antlr/Prog8ANTLR.g4
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@ -30,8 +30,10 @@ BIN_INTEGER : '%' ('0' | '1')+ ;
ADDRESS_OF: '&' ;
INVALID_AND_COMPOSITE: '&&' ;
FLOAT_NUMBER : FNUMBER (('E'|'e') ('+' | '-')? FNUMBER)? ; // sign comes later from unary expression
fragment FNUMBER : ('0' .. '9') + ('.' ('0' .. '9') +)? ;
FLOAT_NUMBER : FNUMBER (('E'|'e') ('+' | '-')? DEC_INTEGER)? ; // sign comes later from unary expression
fragment FNUMBER : FDOTNUMBER | FNUMDOTNUMBER ;
fragment FDOTNUMBER : '.' ('0'..'9')+ ;
fragment FNUMDOTNUMBER : ('0'..'9')+ ('.' ('0'..'9')+ )? ;
fragment STRING_ESCAPE_SEQ : '\\' . | '\\x' . . | '\\u' . . . .;
STRING :