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语法问题部分:

tracelevel
: TRACELEVEL LPAREN IDENT RPAREN         { $$ = makeFuncTraceLevel($3);  }
| TRACELEVEL error                       { $$ = 0; error("Expected 'log(<EV_TRACE>)'");  }
;

category
: CATEGORY LPAREN IDENT RPAREN           { $$ = makeFuncCategory($3);  }
| TRACELEVEL error                       { $$ = 0; error("Expected 'log(<EV_CATE>)'");  }  
;

警告我得到:

edc.y: conflicts: 1 reduce/reduce
edc.y:169.7-93: warning: rule useless in parser due to conflicts: category: TRACELEVEL error

在类别标记中,我尝试将“TRACELEVEL 错误”替换为“CATEGORY 错误”

之后我收到此错误:

y.tab.c:135: error: expected ',' or '}' before '.' token
recipe for target 'y.tab.o' failed

文件 y.tab.c 只包含这些东西:

CATEGORY = 279,
EVTIDINCL = 280,
MIBINCL = 281,
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