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This patch implements the core part of let/const statements. Redeclarations are correctly detected and separate contexts are correctly created for these statements. Register optimizations are also emplyed whenever possible. Lots of features are still missing: - checking the var statements in eval - const are treated as lets - single statement checks are missing - export declarations are exported as vars, let/const export is not supported JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
59 lines
1.1 KiB
JavaScript
59 lines
1.1 KiB
JavaScript
/* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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assert (typeof A === "undefined");
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{
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class A {};
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{
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let A = 6;
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assert (A === 6);
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}
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assert (typeof A === "function");
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}
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assert (typeof A === "undefined");
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{
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let A = 5;
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{
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{
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class A {};
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assert (typeof A === "function");
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}
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assert (A === 5);
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}
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}
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assert (typeof A === "undefined");
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{
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let A = 5;
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{
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{
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class A {};
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eval ('assert (typeof A === "function")');
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}
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eval ('assert (A === 5)');
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}
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}
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