keyword.h

语法分析程序

int Keyword( char *s )
{   
    
    char k_word[69][17]=
    {"asm","auto","bool","break",
    "case","catch","char","class",
    "const","const_cast","continue","default",
    "delete","do","double","dynamic_cast",
    "else","enum","except","explicit",
    "extern","false","finally","float",
    "for","friend","goto","if",
    "inline","int","long","mutable",
    "namespace","new","operator","private",
    "protected","public","register","reinterpret_cast",
    "return","short","signed","sizeof",
    "static","static_cast","struct",
    "switch","template","this","throw",
    "true","try","type_info","typedef",
    "typeid","typename","union","unsigned",
    "using","virtual","void","volatile","while", /*64*/
    "include","iostream.h","main","cout","cin"};

    int i ;
    for ( i = 0 ; i < 69 ; i++ )
    {   
        if ( strcmp(s,k_word[i]) == 0 ) break ;
    }
    if ( i==69 ) return 0 ;
    else    return 1 ;
}

int Divmarks( char *s )
{   
    //const int t=8 ;
    char divmarks[8][2]={"(",")","<",">","[","]","{","}"};
    int i ;
    for ( i = 0 ; i < 8 ; i++ )
    {
        if ( strcmp(s,divmarks[i]) == 0 )   break ;
    }
    if ( i==8 ) return 0 ;
    else    return 1 ;    
}

int Operatormarks( char *s )
{
    //const int t=37 ;
    char operatormarks[37][4]=
    {"::",".","->","++","--",
    "+","-","!","~","&","*",
    ".*","->*","/","%","<<",">>",
    "<",">","<=",">=","==","!=",
    "^","|","&&","||","=","+=",
    "-=","*=","/=","%=","&=","^=",
    "<<=",">>="};
    int i ;
    for ( i = 0 ; i < 37 ; i++ )
    {   
        if ( strcmp(s,operatormarks[i]) == 0 )  break ;
    }
    if ( i==37 ) return 0 ;
    else    return 1 ;
}