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1/*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16import { MandatoryNewTarget } from "../variable";
17import * as ts from "typescript";
18import { Compiler } from "../compiler";
19import * as jshelpers from "../jshelpers";
20
21export function compileMetaProperty(expr: ts.MetaProperty, compiler: Compiler) {
22    let curScope = compiler.getCurrentScope();
23    let id = jshelpers.getTextOfIdentifierOrLiteral(expr.name);
24    if (id == "target") {
25        let { scope, level, v } = curScope.find(MandatoryNewTarget);
26
27        if (!v) {
28            throw new Error("fail to access new.target");
29        } else {
30            compiler.loadTarget(expr, { scope, level, v });
31        }
32        return;
33    }
34    // support meta.property further
35}