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Add quickjs-2021-03-27 to third_party
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‎third_party/quickjs/Changelog

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2021-03-27:
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- faster Array.prototype.push and Array.prototype.unshift
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- added JS_UpdateStackTop()
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- fixed Windows console
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- misc bug fixes
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2020-11-08:
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- improved function parameter initializers
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- added std.setenv(), std.unsetenv() and std.getenviron()
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- added JS_EvalThis()
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- misc bug fixes
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2020-09-06:
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- added logical assignment operators
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- added IsHTMLDDA support
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- faster for-of loops
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- os.Worker now takes a module filename as parameter
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- qjsc: added -D option to compile dynamically loaded modules or workers
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- misc bug fixes
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2020-07-05:
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- modified JS_GetPrototype() to return a live value
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- REPL: support unicode characters larger than 16 bits
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- added os.Worker
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- improved object serialization
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- added std.parseExtJSON
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- misc bug fixes
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2020-04-12:
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- added cross realm support
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- added AggregateError and Promise.any
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- added env, uid and gid options in os.exec()
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- misc bug fixes
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2020-03-16:
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- reworked error handling in std and os libraries: suppressed I/O
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exceptions in std FILE functions and return a positive errno value
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when it is explicit
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- output exception messages to stderr
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- added std.loadFile(), std.strerror(), std.FILE.prototype.tello()
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- added JS_GetRuntimeOpaque(), JS_SetRuntimeOpaque(), JS_NewUint32()
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- updated to Unicode 13.0.0
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- misc bug fixes
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2020-01-19:
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- keep CONFIG_BIGNUM in the makefile
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- added os.chdir()
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- qjs: added -I option
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- more memory checks in the bignum operations
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- modified operator overloading semantics to be closer to the TC39
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proposal
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- suppressed "use bigint" mode. Simplified "use math" mode
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- BigDecimal: changed suffix from 'd' to 'm'
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- misc bug fixes
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2020-01-05:
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- always compile the bignum code. Added '--bignum' option to qjs.
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- added BigDecimal
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- added String.prototype.replaceAll
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- misc bug fixes
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2019-12-21:
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- added nullish coalescing operator (ES2020)
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- added optional chaining (ES2020)
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- removed recursions in garbage collector
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- test stack overflow in the parser
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- improved backtrace logic
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- added JS_SetHostPromiseRejectionTracker()
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- allow exotic constructors
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- improved c++ compatibility
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- misc bug fixes
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2019-10-27:
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- added example of C class in a module (examples/test_point.js)
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- added JS_GetTypedArrayBuffer()
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- misc bug fixes
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2019-09-18:
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- added os.exec and other system calls
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- exported JS_ValueToAtom()
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- qjsc: added 'qjsc_' prefix to the generated C identifiers
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- added cross-compilation support
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- misc bug fixes
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2019-09-01:
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- added globalThis
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- documented JS_EVAL_FLAG_COMPILE_ONLY
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- added import.meta.url and import.meta.main
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- added 'debugger' statement
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- misc bug fixes
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2019-08-18:
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- added os.realpath, os.getcwd, os.mkdir, os.stat, os.lstat,
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os.readlink, os.readdir, os.utimes, std.popen
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- module autodetection
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- added import.meta
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- misc bug fixes
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2019-08-10:
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- added public class fields and private class fields, methods and
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accessors (TC39 proposal)
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- changed JS_ToCStringLen() prototype
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- qjsc: handle '-' in module names and modules with the same filename
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- added std.urlGet
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- exported JS_GetOwnPropertyNames() and JS_GetOwnProperty()
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- exported some bigint C functions
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- added support for eshost in run-test262
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- misc bug fixes
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2019-07-28:
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- added dynamic import
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- added Promise.allSettled
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- added String.prototype.matchAll
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- added Object.fromEntries
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- reduced number of ticks in await
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- added BigInt support in Atomics
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- exported JS_NewPromiseCapability()
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- misc async function and async generator fixes
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- enabled hashbang support by default
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2019-07-21:
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- updated test262 tests
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- updated to Unicode version 12.1.0
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- fixed missing Date object in qjsc
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- fixed multi-context creation
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- misc ES2020 related fixes
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- simplified power and division operators in bignum extension
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- fixed several crash conditions
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2019-07-09:
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- first public release

‎third_party/quickjs/LICENSE

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QuickJS Javascript Engine
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Copyright (c) 2017-2021 Fabrice Bellard
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Copyright (c) 2017-2021 Charlie Gordon
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.

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