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git-svn-id: svn://10.0.0.236/trunk@32351 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
rogerl%netscape.com
1999-05-20 00:14:26 +00:00
parent 13a12a7a0e
commit a58c620f15
8 changed files with 189 additions and 0 deletions
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34
mozilla/js/js2/java/BitwiseNode.java Normal file
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class BitwiseNode extends BinaryNode {
BitwiseNode(String aOp, ExpressionNode aLeft, ExpressionNode aRight)
{
super(aOp, aLeft, aRight);
}
void eval(Environment theEnv)
{
super.eval(theEnv);
int iR = (int)(theEnv.theStack.pop().d);
int iL = (int)(theEnv.theStack.pop().d);
if (op == "&")
theEnv.theStack.push(new StackValue(iL & iR));
else
if (op == "|")
theEnv.theStack.push(new StackValue(iL | iR));
else
if (op == "^")
theEnv.theStack.push(new StackValue(iL ^ iR));
else
if (op == "<<")
theEnv.theStack.push(new StackValue(iL << iR));
else
if (op == ">>")
theEnv.theStack.push(new StackValue(iL >> iR));
else
if (op == ">>>")
theEnv.theStack.push(new StackValue(iL >>> iR));
else
System.out.println("missing bitwise op " + op);
}
}