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https://github.com/jerryscript-project/jerryscript.git
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Some things are missing: - yield* support - generator definition in object literal - the hidden GeneratorFunction JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
74 lines
1.5 KiB
JavaScript
74 lines
1.5 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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/* This file checks yield syntax errors. */
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function check_syntax_error(str)
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{
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try {
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eval(str);
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assert(false);
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} catch (e) {
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assert(e instanceof SyntaxError);
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}
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}
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function * gen()
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{
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yield , yield
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yield
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, yield
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(yield
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)
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yield[
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1]
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}
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function*gen2()
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{
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1 ?
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yield
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:
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yield
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}
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var gen3 = function*(){
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(yield)/[yield]
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}
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check_syntax_error("function *gen(){ yield % yield }");
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check_syntax_error("function *gen(){ (yield) % yield }");
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check_syntax_error("function *gen(){ yield % (yield) }");
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check_syntax_error("function *gen(){ (yield\n1) }");
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check_syntax_error("function *gen(){ function yield() {} }");
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check_syntax_error("function *gen(){ (yield)=>1 }");
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check_syntax_error("function *gen(){ yield => 1 }");
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function *gen4() {
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var f = function yield(i) {
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if (i = 0)
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return yield(i + 1)
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return 39
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}
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return f(0)
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}
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assert(gen4().next().value === 39);
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