Examples with WebAssembly org.graalvm.wasm.api.WebAssembly used on opensource projects

Example 11 with WebAssembly

use of org.graalvm.wasm.api.WebAssembly in project graal by oracle.

the class WasmJsApiSuite method testInstantiateWithImportMemory.

@Test
public void testInstantiateWithImportMemory() throws IOException {
    runTest(context -> {
        final WebAssembly wasm = new WebAssembly(context);
        final WasmMemory memory = WebAssembly.memAlloc(4, 8);
        final Dictionary importObject = Dictionary.create(new Object[] { "host", Dictionary.create(new Object[] { "defaultMemory", memory }) });
        final WasmInstance instance = moduleInstantiate(wasm, binaryWithMemoryImport, importObject);
        try {
            final Object initZero = WebAssembly.instanceExport(instance, "initZero");
            Assert.assertEquals("Must be zero initially.", 0, memory.load_i32(null, 0));
            InteropLibrary.getUncached(initZero).execute(initZero);
            Assert.assertEquals("Must be 174 after initialization.", 174, memory.load_i32(null, 0));
        } catch (InteropException e) {
            throw new RuntimeException(e);
        }
    });
}

Example 12 with WebAssembly

use of org.graalvm.wasm.api.WebAssembly in project graal by oracle.

the class WasmJsApiSuite method testInstantiateWithExportGlobal.

@Test
public void testInstantiateWithExportGlobal() throws IOException {
    runTest(context -> {
        final WebAssembly wasm = new WebAssembly(context);
        final WasmInstance instance = moduleInstantiate(wasm, binaryWithGlobalExport, null);
        try {
            final WasmGlobal global = (WasmGlobal) WebAssembly.instanceExport(instance, "exportedGlobal");
            Assert.assertEquals("Exported global must be 1096.", 1096, global.loadAsInt());
            final Object setGlobal = WebAssembly.instanceExport(instance, "setGlobal");
            final Object getGlobal = WebAssembly.instanceExport(instance, "getGlobal");
            InteropLibrary interop = InteropLibrary.getUncached();
            final Object result1 = interop.execute(getGlobal);
            Assert.assertEquals("Must be 2345 initially.", 2345, interop.asInt(result1));
            interop.execute(setGlobal, 25);
            final Object result2 = interop.execute(getGlobal);
            Assert.assertEquals("Must be 25 later.", 25, interop.asInt(result2));
        } catch (InteropException e) {
            throw new RuntimeException(e);
        }
    });
}

Example 13 with WebAssembly

use of org.graalvm.wasm.api.WebAssembly in project graal by oracle.

the class WasmJsApiSuite method testExportTableTwice.

@Test
public void testExportTableTwice() throws IOException, InterruptedException {
    final byte[] exportMemoryTwice = compileWat("exportTableTwice", "(module (table 1 funcref) (export \"a\" (table 0)) (export \"b\" (table 0)))");
    runTest(context -> {
        final WebAssembly wasm = new WebAssembly(context);
        final WasmInstance instance = moduleInstantiate(wasm, exportMemoryTwice, null);
        final InteropLibrary lib = InteropLibrary.getUncached();
        try {
            final Object f = new WasmFunctionInstance(context, null, new RootNode(context.language()) {

                @Override
                public Object execute(VirtualFrame frame) {
                    return 42;
                }
            }.getCallTarget());
            final Object writeTable = wasm.readMember("table_write");
            final Object readTable = wasm.readMember("table_read");
            final Object a = WebAssembly.instanceExport(instance, "a");
            final Object b = WebAssembly.instanceExport(instance, "b");
            lib.execute(writeTable, a, 0, f);
            final Object readValue = lib.execute(readTable, b, 0);
            Assert.assertEquals("Written function should correspond ro read function", 42, lib.asInt(lib.execute(readValue)));
        } catch (UnsupportedMessageException | UnknownIdentifierException | UnsupportedTypeException | ArityException e) {
            throw new RuntimeException(e);
        }
    });
}

Example 14 with WebAssembly

use of org.graalvm.wasm.api.WebAssembly in project graal by oracle.

the class WasmJsApiSuite method testExportImportedFunctionInDifferentModules.

@Test
public void testExportImportedFunctionInDifferentModules() throws IOException, InterruptedException {
    final byte[] m1 = compileWat("export", "(module (import \"a\" \"f\" (func $f (result i32))) (export \"f\" (func $f)))");
    final byte[] m2 = compileWat("import", "(module (import \"b\" \"f\" (func $f (result i32))) (func (result i32) (call $f)) (export \"f\" (func $f)))");
    runTest(context -> {
        final Dictionary importObject = new Dictionary();
        importObject.addMember("a", Dictionary.create(new Object[] { "f", new Executable(args -> 2) }));
        final WebAssembly wasm = new WebAssembly(context);
        final WasmInstance m1Instance = moduleInstantiate(wasm, m1, importObject);
        final InteropLibrary lib = InteropLibrary.getUncached();
        try {
            final Object m1Function = WebAssembly.instanceExport(m1Instance, "f");
            final Dictionary d = new Dictionary();
            d.addMember("b", Dictionary.create(new Object[] { "f", m1Function }));
            final WasmInstance m2Instance = moduleInstantiate(wasm, m2, d);
            final Object m2Function = WebAssembly.instanceExport(m2Instance, "f");
            Assert.assertTrue("Returned function instances must be reference equal", m1Function == m2Function);
            final Object m1Value = lib.execute(m1Function);
            final Object m2Value = lib.execute(m2Function);
            Assert.assertEquals("Return value of functions is equal", m1Value, m2Value);
        } catch (UnsupportedMessageException | UnsupportedTypeException | ArityException e) {
            throw new RuntimeException(e);
        }
    });
}

Example 15 with WebAssembly

use of org.graalvm.wasm.api.WebAssembly in project graal by oracle.

the class WasmJsApiSuite method testFuncTypeMultipleParameters.

@Test
public void testFuncTypeMultipleParameters() throws IOException, InterruptedException {
    final byte[] source = compileWat("data", "(module (func (export \"func\") (param i32 i64) (result f32) f32.const 0))");
    runTest(context -> {
        final WebAssembly wasm = new WebAssembly(context);
        final WasmInstance instance = moduleInstantiate(wasm, source, null);
        final WasmFunctionInstance fn = (WasmFunctionInstance) WebAssembly.instanceExport(instance, "func");
        final String fnType = WebAssembly.functionTypeToString(fn.function());
        Assert.assertEquals("func_type", "0(i32 i64)f32", fnType);
    });
}