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67 lines
2.2 KiB
Plaintext
67 lines
2.2 KiB
Plaintext
// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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desc: Anonymous function receives the name of static fields
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info: |
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Updated Productions
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ClassElement :
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...
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static FieldDefinition ;
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FieldDefinition :
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ClassElementName Initializer_opt
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ClassDefinitionEvaluation:
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...
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27. Let staticFields be a new empty List.
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28. For each ClassElement e in order from elements,
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a. If IsStatic of e is false, then
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...
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b. Else,
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i. Let field be the result of performing PropertyDefinitionEvaluation for m ClassElementEvaluation for e with arguments F and false.
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c. If field is an abrupt completion, then
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...
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d. If field is not empty,
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i. If IsStatic of e is false, append field to instanceFields.
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ii. Otherwise, append field to staticFields.
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34. For each item fieldRecord in order from staticFields,
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a. Perform ? DefineField(F, field).
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...
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DefineField(receiver, fieldRecord)
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1. Assert: Type(receiver) is Object.
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2. Assert: fieldRecord is a Record as created by ClassFieldDefinitionEvaluation.
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3. Let name be fieldRecord.[[Name]].
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4. Let initializer be fieldRecord.[[Initializer]].
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5. If initializer is not empty, then
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a. Let initValue be ? Call(initializer, receiver).
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6. Else, let initValue be undefined.
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7. If fieldRecord.[[IsAnonymousFunctionDefinition]] is true, then
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a. Let hasNameProperty be ? HasOwnProperty(initValue, "name").
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b. If hasNameProperty is false, perform SetFunctionName(initValue, fieldName).
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8. If fieldName is a Private Name,
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a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue).
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9. Else,
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a. Assert: IsPropertyKey(fieldName) is true.
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b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
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10. Return.
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template: default
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features: [class-static-fields-private, class-static-fields-public]
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---*/
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//- elements
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static #field = () => 'Test262';
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static field = function() { return 42; };
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static accessPrivateField() {
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return this.#field;
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}
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//- assertions
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assert.sameValue(C.accessPrivateField().name, "#field");
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assert.sameValue(C.field.name, "field");
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