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 * (a) the Software, and
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 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
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package com.oracle.truffle.js.nodes.binary;

import com.oracle.truffle.api.dsl.Cached;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.instrumentation.Tag;
import com.oracle.truffle.api.nodes.NodeInfo;
import com.oracle.truffle.api.profiles.BranchProfile;
import com.oracle.truffle.js.nodes.JavaScriptNode;
import com.oracle.truffle.js.nodes.Truncatable;
import com.oracle.truffle.js.nodes.access.JSConstantNode.JSConstantIntegerNode;
import com.oracle.truffle.js.nodes.cast.JSToInt32Node;
import com.oracle.truffle.js.nodes.cast.JSToNumericNode;
import com.oracle.truffle.js.runtime.BigInt;
import com.oracle.truffle.js.runtime.JSConfig;
import com.oracle.truffle.js.runtime.SafeInteger;

import java.util.Set;

@NodeInfo(shortName = "&")
public abstract class JSBitwiseAndNode extends JSBinaryNode {

    protected JSBitwiseAndNode(JavaScriptNode left, JavaScriptNode right) {
        super(left, right);
    }

    public static JavaScriptNode create(JavaScriptNode left, JavaScriptNode right) {
        Truncatable.truncate(left);
        if (JSConfig.UseSuperOperations && right instanceof JSConstantIntegerNode) {
            int rightValue = ((JSConstantIntegerNode) right).executeInt(null);
            return JSBitwiseAndConstantNode.create(left, rightValue);
        }
        Truncatable.truncate(right);
        return JSBitwiseAndNodeGen.create(left, right);
    }

    public abstract Object executeObject(Object a, Object b);

    @Specialization
    protected int doInteger(int a, int b) {
        return a & b;
    }

    @Specialization
    protected int doSafeIntegerInt(SafeInteger a, int b) {
        return doInteger(a.intValue(), b);
    }

    @Specialization
    protected int doIntSafeInteger(int a, SafeInteger b) {
        return doInteger(a, b.intValue());
    }

    @Specialization
    protected int doSafeInteger(SafeInteger a, SafeInteger b) {
        return doInteger(a.intValue(), b.intValue());
    }

    @Specialization
    protected int doDouble(double a, double b,
                    @Cached("create()") JSToInt32Node leftInt32,
                    @Cached("create()") JSToInt32Node rightInt32) {
        return doInteger(leftInt32.executeInt(a), rightInt32.executeInt(b));
    }

    @Specialization
    protected BigInt doBigInt(BigInt a, BigInt b) {
        return a.and(b);
    }

    @Specialization(replaces = {"doInteger", "doIntSafeInteger", "doSafeIntegerInt", "doSafeInteger", "doDouble", "doBigInt"})
    protected Object doGeneric(Object a, Object b,
                    @Cached("create()") JSToNumericNode leftNumeric,
                    @Cached("create()") JSToNumericNode rightNumeric,
                    @Cached("createInner()") JSBitwiseAndNode and,
                    @Cached("create()") BranchProfile mixedNumericTypes) {
        Object left = leftNumeric.execute(a);
        Object right = rightNumeric.execute(b);
        ensureBothSameNumericType(left, right, mixedNumericTypes);
        return and.executeObject(left, right);
    }

    @Override
    protected JavaScriptNode copyUninitialized(Set<Class<? extends Tag>> materializedTags) {
        return JSBitwiseAndNodeGen.create(cloneUninitialized(getLeft(), materializedTags), cloneUninitialized(getRight(), materializedTags));
    }

    public static final JSBitwiseAndNode createInner() {
        return JSBitwiseAndNodeGen.create(null, null);
    }
}