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* The Universal Permissive License (UPL), Version 1.0
*
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package org.graalvm.wasm;
import org.graalvm.wasm.exception.Failure;
import org.graalvm.wasm.exception.WasmException;
public final class WasmTable {
private final int maxSize;
private Object[] elements;
public WasmTable(int initSize, int maxSize) {
this.elements = new Object[initSize];
this.maxSize = maxSize;
}
public void ensureSizeAtLeast(int targetSize) {
if (maxSize >= 0 && targetSize > maxSize) {
throw WasmException.create(Failure.UNSPECIFIED_INVALID, "Table cannot be resized to " + targetSize + ", " +
"declared maximum size is " + maxSize);
}
if (elements.length < targetSize) {
Object[] newElements = new Object[targetSize];
System.arraycopy(elements, 0, newElements, 0, elements.length);
elements = newElements;
}
}
public int size() {
return elements.length;
}
public int maxSize() {
return maxSize;
}
public Object[] elements() {
return elements;
}
public Object get(int index) {
return elements[index];
}
public void set(int index, Object element) {
elements[index] = element;
}
public void initialize(int i, WasmFunctionInstance function) {
elements[i] = function;
}
@SuppressWarnings({"unused", "static-method"})
public boolean grow(int delta) {
throw WasmException.create(Failure.UNSPECIFIED_INTERNAL, null, "Tables cannot be grown.");
}
}