Class WasmLinker

src/main/java/net/bluejekyll/wasmtime/WasmLinker.java:8–40

import net.bluejekyll.wasmtime.proxy.WasmFunctionDef;

public class WasmLinker extends AbstractOpaquePtr {
    WasmLinker(long ptr) {
        super(ptr, WasmLinker::freeLinker);
    }

    private static native void freeLinker(long ptr);

    private static native void defineFunc(long ptr, String module, String name, long func_ptr);

    private static native long instantiateNtv(long linker_ptr, long store_ptr, long module_ptr)
            throws WasmtimeException;

    /**
     * @param module name of the module in which this function should be defined
     *               (like a class)
     * @param name   for the function to use
     */
    public void defineFunction(String module, String name, WasmFunction function) throws WasmtimeException {
        WasmLinker.defineFunc(this.getPtr(), module, name, function.getPtr());
    }

    public void defineFunctions(WasmStore store, WasmExportable exportable) throws WasmtimeException {
        List<WasmFunctionDef> functions = exportable.defineWasmFunctions(store);

        for (WasmFunctionDef function : functions) {
            this.defineFunction(function.getModuleName(), function.getFunctionName(), function.getFunction());
        }
    }

    public WasmInstance instantiate(WasmStore store, WasmModule module) throws WasmtimeException {
        return new WasmInstance(WasmLinker.instantiateNtv(this.getPtr(), store.getPtr(), module.getPtr()));
    }
}