legal-12

用Java实现的编译器。把源代码编译成SPARC汇编程序

class Program
{
    int i,i1, i2, i3, i4, i5, i6, i7, i8, i9, i10;
    int a[100],a1[100],a2[100],a3[234],a4[345],a5[456],a7[567];
   
    void main () 
    {
	int b1,b2,b3,b4,b5,b6,b7,b8,b9,b10,b11,b12,b13,b14,b15,b16;

        i1=0;i2=0;i3=0;i4=0;i5=0;i6=0;i7=0;i8=0;i9=0;
	b14=2;b15=2;b16=2;b1=2;b2=2;b3=2;i=0;

        while (i<100){ a[i]=1; i=i+1; }

	i1=	a[0]
		+ a[1]*a[2]*a[3]*a[4]*a[5]*a[6]*a[1]*a[1]*a[1]*a[1]*a[1]
		+ (i1-i2-i3*i4)
		- i6*(a[3]+i7-i9-i4)
		+ a[99]*a[98]*a[97]*a[96]*a[55]
		- (a[23]+a[24]+a[25]-a[46]-a[35])
		+ i3*i2-i1+i6*i4-i1+i3*i2-i1+i6*i4-i1
		+ b14 - b15 + b16 - b16 + b1 - b2 + b3 + b2 - b2 - b1;

        if (i1==2) 
	{
	    callout("printf","many vars OK\n");
	}

	else {
	    callout("printf","FAIL: wrong result of expression with many variables!!!\n");
	}
    }
}