com.github.leeonky.dal.ast.node.ConstRemarkNode Maven / Gradle / Ivy

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package com.github.leeonky.dal.ast.node;

import com.github.leeonky.dal.runtime.Data;
import com.github.leeonky.dal.runtime.RuntimeContextBuilder;
import com.github.leeonky.dal.runtime.RuntimeException;

import java.util.Objects;

public class ConstRemarkNode extends DALNode {
    private final DALNode constNode;
    private final DALNode remarkNode;

    public ConstRemarkNode(DALNode constNode, DALNode remarkNode) {
        this.constNode = constNode;
        this.remarkNode = remarkNode;
    }

    @Override
    public String inspect() {
        return constNode.inspect() + " " + remarkNode.inspect();
    }

    @Override
    public Data evaluateData(RuntimeContextBuilder.DALRuntimeContext context) {
        Data leftValue = constNode.evaluateData(context);
        Data rightValue = remarkNode.evaluateData(context);
        if (Objects.equals(leftValue.instance(), rightValue.instance()))
            return leftValue;
        throw new RuntimeException(String.format("Incorrect const remark, const value was %s\nbut remark %s was %s",
                leftValue.dumpAll(), remarkNode.inspect(), rightValue.dumpAll()), remarkNode.getPositionBegin());
    }
}