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09a8440b45
PR-URL: https://github.com/nodejs/node/pull/51362 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
35 lines
1.4 KiB
JavaScript
35 lines
1.4 KiB
JavaScript
// Copyright 2022 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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// Flags: --turbofan --no-always-turbofan --allow-natives-syntax
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import {struct, array} from 'gc-js-interop-export.mjs';
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// Read struct and array with new wasm module.
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let builder = new WasmModuleBuilder();
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let struct_type = builder.addStruct([makeField(kWasmI32, true)]);
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builder.addFunction('readStruct', makeSig([kWasmExternRef], [kWasmI32]))
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.exportFunc()
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.addBody([
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kExprLocalGet, 0, // --
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kGCPrefix, kExprAnyConvertExtern, // --
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kGCPrefix, kExprRefCast, struct_type, // --
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kGCPrefix, kExprStructGet, struct_type, 0, // --
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]);
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builder.addFunction('readArrayLength', makeSig([kWasmExternRef], [kWasmI32]))
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.exportFunc()
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.addBody([
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kExprLocalGet, 0, // --
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kGCPrefix, kExprAnyConvertExtern, // --
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kGCPrefix, kExprRefCast, kArrayRefCode, // --
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kGCPrefix, kExprArrayLen,
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]);
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let instance = builder.instantiate();
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let wasm = instance.exports;
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assertEquals(42, wasm.readStruct(struct));
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assertEquals(2, wasm.readArrayLength(array));
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assertTraps(kTrapIllegalCast, () => wasm.readStruct(array));
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assertTraps(kTrapIllegalCast, () => wasm.readArrayLength(struct));
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