instn-star-star-cycle.js (2286B)
1 // |reftest| module 2 // Copyright (C) 2016 the V8 project authors. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 /*--- 5 description: > 6 Modules can be visited more than once when resolving bindings through 7 "star" exports as long as the exportName is different each time. 8 esid: sec-moduledeclarationinstantiation 9 info: | 10 [...] 11 12. For each ImportEntry Record in in module.[[ImportEntries]], do 12 a. Let importedModule be ? HostResolveImportedModule(module, 13 in.[[ModuleRequest]]). 14 b. If in.[[ImportName]] is "*", then 15 i. Let namespace be ? GetModuleNamespace(importedModule). 16 ii. Perform ! envRec.CreateImmutableBinding(in.[[LocalName]], true). 17 iii. Call envRec.InitializeBinding(in.[[LocalName]], namespace). 18 [...] 19 20 15.2.1.16.3 ResolveExport( exportName, resolveSet ) 21 22 [...] 23 3. Append the Record {[[Module]]: module, [[ExportName]]: exportName} to resolveSet. 24 4. For each ExportEntry Record e in module.[[LocalExportEntries]], do 25 a. If SameValue(exportName, e.[[ExportName]]) is true, then 26 i. Assert: module provides the direct binding for this export. 27 ii. Return Record{[[Module]]: module, [[BindingName]]: e.[[LocalName]]}. 28 5. For each ExportEntry Record e in module.[[IndirectExportEntries]], do 29 a. If SameValue(exportName, e.[[ExportName]]) is true, then 30 i. Assert: module imports a specific binding for this export. 31 ii. Let importedModule be ? HostResolveImportedModule(module, e.[[ModuleRequest]]). 32 iii. Return ? importedModule.ResolveExport(e.[[ImportName]], resolveSet). 33 [...] 34 8. For each ExportEntry Record e in module.[[StarExportEntries]], do 35 a. Let importedModule be ? HostResolveImportedModule(module, e.[[ModuleRequest]]). 36 b. Let resolution be ? importedModule.ResolveExport(exportName, resolveSet). 37 [...] 38 d. If resolution is not null, then 39 i. If starResolution is null, let starResolution be resolution. 40 [...] 41 9. Return starResolution. 42 flags: [module] 43 ---*/ 44 45 import * as ns from './instn-star-star-cycle-2_FIXTURE.js'; 46 47 assert.sameValue(ns.x, 45); 48 assert.sameValue(ns.y, 45); 49 50 reportCompare(0, 0);