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package com.oracle.truffle.llvm.runtime.memory;

import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.frame.FrameDescriptor;
import com.oracle.truffle.api.frame.FrameSlot;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMNode;

public abstract class LLVMUniquesRegionAllocNode extends LLVMNode {

    private final FrameSlot uniquesRegionSlot;
    @Child private LLVMExpressionNode allocation;

    public LLVMUniquesRegionAllocNode(LLVMExpressionNode allocation, FrameDescriptor desc) {
        this.allocation = allocation;
        this.uniquesRegionSlot = LLVMStack.getUniquesRegionSlot(desc);
    }

    public abstract void execute(VirtualFrame frame);

    @Specialization
    protected void doOp(VirtualFrame frame) {
        frame.setObject(uniquesRegionSlot, allocation.executeGeneric(frame));
    }
}