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50930a0fa0
PR-URL: https://github.com/nodejs/node/pull/39469 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
45 lines
1.5 KiB
JavaScript
45 lines
1.5 KiB
JavaScript
// Copyright 2019 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 Debug = new DebugWrapper();
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Debug.enable();
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// Record the ID of the first script reported. This is to ignore
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// the (now deprecated) fake scripts that are generated for every
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// Wasm module.
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let scriptId;
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Debug.setListener((eventType, execState, eventData, data) => {
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assertEquals(Debug.DebugEvent.AfterCompile, eventType);
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if (scriptId === undefined) scriptId = eventData.scriptId;
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});
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// Create a simple Wasm script, which will be caught by the event listener.
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const builder = new WasmModuleBuilder();
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builder.addFunction('sub', kSig_i_ii)
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// input is 2 args of type int and output is int
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.addBody([
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kExprLocalGet, 0, // local.get i0
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kExprLocalGet, 1, // local.get i1
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kExprI32Sub]) // i32.sub i0 i1
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.exportFunc();
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const instance = builder.instantiate();
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// By now we should have recorded the ID of the Wasm script above.
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assertNotEquals(undefined, scriptId);
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// Disable and re-enable the Debugger and collect the reported
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// script IDs.
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const scriptIds = new Set();
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Debug.disable();
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Debug.setListener((eventType, execState, eventData, data) => {
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assertEquals(Debug.DebugEvent.AfterCompile, eventType);
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scriptIds.add(eventData.scriptId);
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});
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Debug.enable();
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// Make sure the Wasm script was reported.
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assertTrue(scriptIds.has(scriptId));
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