36 lines
774 B
Java
36 lines
774 B
Java
class BitwiseNode extends BinaryNode {
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BitwiseNode(String aOp, ExpressionNode aLeft, ExpressionNode aRight)
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{
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super(aOp, aLeft, aRight);
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}
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void eval(Environment theEnv)
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{
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left.eval(theEnv);
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JSInteger lV = theEnv.theStack.pop().toJSInteger();
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right.eval(theEnv);
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if (op == "&")
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lV.and(theEnv);
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else
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if (op == "|")
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lV.or(theEnv);
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else
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if (op == "^")
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lV.xor(theEnv);
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else
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if (op == "<<")
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lV.shr(theEnv);
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else
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if (op == ">>")
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lV.shl(theEnv);
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else
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if (op == ">>>")
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lV.ushl(theEnv);
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else
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System.out.println("missing bitwise op " + op);
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}
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}
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