5edec0e39a
PR-URL: https://github.com/nodejs/node/pull/55014 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
// Copyright 2024 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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const builder = new WasmModuleBuilder();
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let $sig1 = builder.addType(kSig_v_v);
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let $struct = builder.nextTypeIndex();
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/* $struct */ builder.addStruct([], kNoSuperType, false);
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let $array = builder.addArray(kWasmI8, false, kNoSuperType, true);
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let $sig = builder.addType(makeSig([], [wasmRefType($struct), wasmRefType($array)]));
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let func = builder.addFunction('func', $sig)
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.exportFunc()
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.addLocals(kWasmF32, 1)
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.addBody([
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kExprBlock, $sig,
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kExprI32Const, 0, // will be dropped on the `br`
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kGCPrefix, kExprStructNew, $struct,
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kGCPrefix, kExprArrayNewFixed, $array, 0,
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kExprBr, 0,
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kExprEnd,
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]);
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let consume_struct =
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builder.addFunction('consume_struct', makeSig([wasmRefType($struct)], []))
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.exportFunc()
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.addBody([]);
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let consume_array =
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builder.addFunction('consume_array', makeSig([wasmRefType($array)], []))
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.exportFunc()
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.addBody([]);
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let instance = builder.instantiate({});
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// Check that `func` returns the expected objects.
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let [struct, array] = instance.exports.func();
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instance.exports.consume_struct(struct);
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instance.exports.consume_array(array);
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