63 lines
2.1 KiB
JavaScript
63 lines
2.1 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = function (ast, strictCode, env, realm) {
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realm.setNextExecutionContextLocation(ast.loc);
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// ECMA262 12.3.3.1 We just implement this method inline since it's only called here.
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// 1. Return ? EvaluateNew(NewExpression, empty).
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// ECMA262 2.3.3.1.1
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var constructProduction = ast.callee;
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var args = ast.arguments;
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// These steps not necessary due to our AST representation.
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// 1. Assert: constructProduction is either a NewExpression or a MemberExpression.
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// 2. Assert: arguments is either empty or an Arguments production.
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// 3. Let ref be the result of evaluating constructProduction.
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var ref = env.evaluate(constructProduction, strictCode);
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// 4. Let constructor be ? GetValue(ref).
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var constructor = _singletons.Environment.GetValue(realm, ref);
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var argsList = void 0;
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// 5. If arguments is empty, let argList be a new empty List.
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if (!args.length) {
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argsList = [];
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} else {
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// 6. Else,
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// a. Let argList be ArgumentListEvaluation of arguments.
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argsList = (0, _index2.ArgumentListEvaluation)(realm, strictCode, env, args); // BabelNodeNewExpression needs updating
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// This step not necessary since we propagate completions with exceptions.
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// b. ReturnIfAbrupt(argList).
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}
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// 7. If IsConstructor(constructor) is false, throw a TypeError exception.
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if ((0, _index2.IsConstructor)(realm, constructor) === false) {
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throw realm.createErrorThrowCompletion(realm.intrinsics.TypeError);
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}
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(0, _invariant2.default)(constructor instanceof _index.ObjectValue);
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// 8. Return ? Construct(constructor, argList).
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return (0, _index2.Construct)(realm, constructor, argsList);
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};
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var _index = require("../values/index.js");
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var _singletons = require("../singletons.js");
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var _index2 = require("../methods/index.js");
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var _invariant = require("../invariant.js");
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var _invariant2 = _interopRequireDefault(_invariant);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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//# sourceMappingURL=NewExpression.js.map
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