Examples with WasmInstance org.graalvm.wasm.WasmInstance used on opensource projects

Example 36 with WasmInstance

use of org.graalvm.wasm.WasmInstance in project graal by oracle.

the class WebAssembly method instantiateModule.

private static WasmInstance instantiateModule(WasmModule module, Object importObject, WasmContext context, TruffleContext truffleContext) {
    final HashMap<String, ImportModule> importModules;
    // To read the content of the import object, we need to enter the parent context that this
    // import object originates from.
    Object prev = truffleContext.getParent().enter(null);
    try {
        importModules = readModuleImports(module, importObject);
    } finally {
        truffleContext.getParent().leave(null, prev);
    }
    for (Map.Entry<String, ImportModule> entry : importModules.entrySet()) {
        final String name = entry.getKey();
        final ImportModule importModule = entry.getValue();
        final WasmInstance importedInstance = importModule.createInstance(context.language(), context, name);
        context.register(importedInstance);
    }
    return context.readInstance(module);
}

Example 37 with WasmInstance

use of org.graalvm.wasm.WasmInstance in project graal by oracle.

the class TestutilModule method createInstance.

@Override
protected WasmInstance createInstance(WasmLanguage language, WasmContext context, String name) {
    final Path temporaryDirectory = createTemporaryDirectory();
    WasmInstance instance = new WasmInstance(context, WasmModule.createBuiltin(name), NUMBER_OF_FUNCTIONS);
    // Note: in the following methods, the types are not important here, since these methods
    // are not accessed by Wasm code.
    defineFunction(instance, Names.RUN_CUSTOM_INITIALIZATION, types(), types(), new RunCustomInitializationNode(language));
    // The following methods are exposed to the Wasm test programs.
    defineFunction(instance, Names.SAVE_BINARY_FILE, types(I32_TYPE, I32_TYPE, I32_TYPE), types(), new SaveBinaryFileNode(language, instance, temporaryDirectory));
    return instance;
}

Example 38 with WasmInstance

use of org.graalvm.wasm.WasmInstance in project graal by oracle.

the class ImportModule method createInstance.

@Override
protected WasmInstance createInstance(WasmLanguage language, WasmContext context, String name) {
    WasmInstance instance = new WasmInstance(context, WasmModule.createBuiltin(name), functions.size());
    for (Map.Entry<String, Pair<WasmFunction, Object>> entry : functions.entrySet()) {
        final String functionName = entry.getKey();
        final Pair<WasmFunction, Object> info = entry.getValue();
        final WasmFunction function = info.getLeft();
        final SymbolTable.FunctionType type = function.type();
        if (info.getRight() instanceof WasmFunctionInstance) {
            defineExportedFunction(instance, functionName, type.paramTypes(), type.returnTypes(), (WasmFunctionInstance) info.getRight());
        } else {
            defineFunction(instance, functionName, type.paramTypes(), type.returnTypes(), new ExecuteInParentContextNode(context.language(), instance, info.getRight()));
        }
    }
    for (Map.Entry<String, WasmMemory> entry : memories.entrySet()) {
        final String memoryName = entry.getKey();
        final WasmMemory memory = entry.getValue();
        defineExternalMemory(instance, memoryName, memory);
    }
    for (Map.Entry<String, WasmTable> entry : tables.entrySet()) {
        final String tableName = entry.getKey();
        final WasmTable table = entry.getValue();
        defineExternalTable(instance, tableName, table);
    }
    for (Map.Entry<String, WasmGlobal> entry : globals.entrySet()) {
        final String globalName = entry.getKey();
        final WasmGlobal global = entry.getValue();
        defineExternalGlobal(instance, globalName, global);
    }
    return instance;
}