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

import com.oracle.truffle.api.dsl.NodeChild;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.nodes.ExplodeLoop;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMStoreNode;
import com.oracle.truffle.llvm.runtime.pointer.LLVMPointer;

@NodeChild(value = "address", type = LLVMExpressionNode.class)
public abstract class LLVMArrayLiteralNode extends LLVMExpressionNode {

    @Children private final LLVMExpressionNode[] values;
    @Child private LLVMStoreNode write;
    private final long stride;

    public LLVMArrayLiteralNode(LLVMExpressionNode[] values, long stride, LLVMStoreNode write) {
        this.values = values;
        this.stride = stride;
        this.write = write;
    }

    public LLVMExpressionNode[] getValues() {
        return values;
    }

    @Specialization
    @ExplodeLoop
    protected LLVMPointer foreignWrite(VirtualFrame frame, LLVMPointer addr) {
        LLVMPointer currentPtr = addr;
        for (int i = 0; i < values.length; i++) {
            write.executeWithTarget(currentPtr, values[i].executeGeneric(frame));
            currentPtr = currentPtr.increment(stride);
        }
        return addr;
    }
}