25 lines
896 B
Java
25 lines
896 B
Java
package io.gitlab.jfronny.inceptum.gtk.callback;
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import io.github.jwharm.javagi.CallbackGenerator;
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import io.github.jwharm.javagi.Interop;
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import org.jetbrains.annotations.ApiStatus;
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import java.lang.foreign.FunctionDescriptor;
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import java.lang.foreign.Linker;
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import java.lang.foreign.MemoryAddress;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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public interface GetNItemsCallback {
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int upcall(MemoryAddress inst);
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@ApiStatus.Internal
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FunctionDescriptor DESCRIPTOR = FunctionDescriptor.of(Interop.valueLayout.C_INT, Interop.valueLayout.ADDRESS);
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@ApiStatus.Internal
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MethodHandle HANDLE = CallbackGenerator.getHandle(MethodHandles.lookup(), GetNItemsCallback.class, DESCRIPTOR);
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default MemoryAddress toCallback() {
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return Linker.nativeLinker().upcallStub(HANDLE.bindTo(this), DESCRIPTOR, Interop.getScope()).address();
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}
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}
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