libcmo21/CodeGen/CKEnumParser.g4
2023-08-18 15:55:31 +08:00

14 lines
481 B
ANTLR

parser grammar CKEnumParser;
options { tokenVocab = CKGeneralLexer; }
prog: enumBody+ ;
enumBody: CKGENERAL_TYPEDEF? CKGENERAL_ENUM CKGENERAL_ID CKGENERAL_LBRACKET
entryPair+
CKGENERAL_RBRACKET CKGENERAL_ID? CKGENERAL_SEMICOLON ;
entryPair: CKGENERAL_ID (CKGENERAL_EQUAL entryValue)? CKGENERAL_COMMA? ;
entryValue: CKGENERAL_NUM (CKGENERAL_LSHIFT CKGENERAL_NUM)? # entryDirectValue
| CKGENERAL_ID (CKGENERAL_OR CKGENERAL_ID)* # entryRelativeValue
;