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22 lines
619 B
C++
22 lines
619 B
C++
#ifndef EXPRESSION_NODE_H
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#define EXPRESSION_NODE_H
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#include "tree_node.h"
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class ExpressionNode : public TreeNode {
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public:
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static TreeNode * FailedAllocationStaticNode();
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static int AllocationFailureNodeIdentifier() {
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return FailedAllocationStaticNode()->identifier();
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}
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int allocationFailureNodeIdentifier() override {
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return AllocationFailureNodeIdentifier();
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}
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TreeNode * failedAllocationStaticNode() override { return FailedAllocationStaticNode(); }
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virtual float approximate() = 0;
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ExpressionNode * child(int i) { return static_cast<ExpressionNode *>(childTreeAtIndex(i)); }
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};
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#endif
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