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Expression expr1 = this.expressionStack[this.expressionPtr]; Expression expr2 = this.expressionStack[this.expressionPtr + 1]; switch(op) { case OR_OR : this.expressionStack[this.expressionPtr] = new OR_OR_Expression( expr1, expr2, op); break; case AND_AND :
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// Note: we do not attempt to promote BinaryExpression-s to // IndexedBinaryExpression-s here since expr1 always holds a name switch(op) { case OR_OR : this.expressionStack[this.expressionPtr] = new OR_OR_Expression( expr1, expr2, op); break; case AND_AND :