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/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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package io.github.dmlloyd.classfile.instruction;

import io.github.dmlloyd.classfile.CodeElement;
import io.github.dmlloyd.classfile.CodeModel;
import io.github.dmlloyd.classfile.Instruction;
import io.github.dmlloyd.classfile.TypeKind;
import io.github.dmlloyd.classfile.impl.AbstractInstruction;
import io.github.dmlloyd.classfile.extras.PreviewFeature;

/**
 * Models a {@code newarray} invocation instruction in the {@code code}
 * array of a {@code Code} attribute.  Delivered as a {@link CodeElement}
 * when traversing the elements of a {@link CodeModel}.
 *
 * @since 22
 */
@PreviewFeature(feature = PreviewFeature.Feature.CLASSFILE_API)
public sealed interface NewPrimitiveArrayInstruction extends Instruction
        permits AbstractInstruction.BoundNewPrimitiveArrayInstruction,
                AbstractInstruction.UnboundNewPrimitiveArrayInstruction {
    /**
     * {@return the component type of the array}
     */
    TypeKind typeKind();

    /**
     * {@return a new primitive array instruction}
     *
     * @param typeKind the component type of the array
     * @throws IllegalArgumentException when the {@code typeKind} is not a legal
     *                                  primitive array component type
     */
    static NewPrimitiveArrayInstruction of(TypeKind typeKind) {
        // Implicit null-check:
        if (typeKind.newarrayCode() < 0) {
            throw new IllegalArgumentException("Illegal component type for primitive array: " + typeKind.name());
        }
        return new AbstractInstruction.UnboundNewPrimitiveArrayInstruction(typeKind);
    }
}