typeerr.mj

编译器mips版后端

/**
 * There are some errors about the type of expressions within parenthesis
 * in this program. Your compiler should find them as many as possible.
 */
 
class Program {
    static void main() {
        int i, i1;     
        String s, s1;  
        boolean b, b1;
        
        i = ("Hello");  // ERROR
        i = (true);     // ERROR
        i = 0;
        i1 = i;
                
        s = (0);        // ERROR
        s = (true);     // ERROR
        s = "Hello";
        s1 = s;
        
        b = (0);        // ERROR
        b = ("Hello");  // ERROR
        b = true;
        b1 = b;
        
        i = (s);        // ERROR
        i = (b);        // ERROR
        i = (0+(s));    // ERROR
        i = ((b)+0);    // ERROR
        
        s = (i);        // ERROR
        s = (b);        // ERROR
        
        b = (s);        // ERROR
        b = (i);        // ERROR
        b = (true&&(i));// ERROR
        b = (true||(i));// ERROR
        b = (false&&(s)); // ERROR
        b = (false||(s)); // ERROR
        b = ((i)&&true);  // ERROR

        int[9] digit1 = {0,1,2,3,4,5,6,7,8,9};  // ERROR
        int[11] digit2 = {0,1,2,3,4,5,6,7,8,9}; // ERROR
        int[10] digit3 = {0,1,2,3,4,5,6,7,8,9};
        
        f(digit3);      // ERROR
        f();            // ERROR
        i2 = f("abd");  // ERROR
        f("abd");
        
        h();            // ERROR: no declaration of h() can be found.    

        {int i;}
        i = 10;         // ERROR: no declaration of i can be found.
        {int i;}
        j = i;          // ERROR: no declarations of i and j can be found.
    }
    
    static void f(String[] s) {
        g(s);           // ERROR
        g(s.length);
    }
    
    static void g(int i) {
    }

}