C-Minus词法分析和语法分析设计编译器编译原理课程设计

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}

} { }

}

if(5==state)//结束状态，处理

commentFlag = true; state = 1;

if(!commentFlag) { } else }

TokenType Scanner :: returnTokenType(string s)//返回Token的类型 {

TokenType t; if(s==\ { }

else if(s==\ { }

else if(s==\ {

t = RETURN; t = INT; t = IF; t = ELSE;

cout<<\注释已经成功删除！\cout<<\注释错误，没有结束符！\scanSuccess = false;

}

else if(s==\ { }

t = LEQ; t = LT; t = OVER; t = TIMES; t = MINUS; t = PLUS; t = WHILE; t = VOID;

else if(s==\ { }

else if(s==\ { { }

else if(s==\ { }

else if(s==\ {

t = LPAREN; t = COMMA; t = SEMI; t = ASSIGN; t = NEQ; t = EQ; } t = GEQ; t = GT;

else if(s==\

}

t = RPAREN;

else if(s==\ { }

else if(s==\ { { }

else if(3==charType(s[s.length()-1])) { }

t = ID; t = NUM; t = RCOMMENT; }

t = LCOMMENT; t = RBBRACKET; t = LBBRACKET; t = RMBRACKET; t = LMBRACKET;

else if(2==charType(s[s.length()-1]))

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