21 lines
463 B
Java
21 lines
463 B
Java
class AssignmentNode extends BinaryNode {
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AssignmentNode(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.evalLHS(theEnv);
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right.eval(theEnv);
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double dValue = theEnv.theStack.pop().d;
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String id = theEnv.theStack.pop().id;
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theEnv.theGlobals.put(id, new Double(dValue));
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}
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} |