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2019-03-03src: fix warnings around node_optionsRefael Ackermann
* header explicit usage, order, and reduce use of `*-inl.h` * pointer -> const reference when possible * no variable recyclicng * `std::begin/end` prefered over `instance.begin/end` * `USE` for explicit unused resaults PR-URL: https://github.com/nodejs/node/pull/26280 Fixes: https://github.com/nodejs/node/issues/25593 Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
2019-03-03src: refactor node options parsers to mitigate MSVC bugRefael Ackermann
PR-URL: https://github.com/nodejs/node/pull/26280 Fixes: https://github.com/nodejs/node/issues/25593 Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
2019-02-27src: apply clang-tidy rule modernize-deprecated-headersgengjiawen
PR-URL: https://github.com/nodejs/node/pull/26159 Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
2019-02-25src: add debugging array allocatorAnna Henningsen
Add a subclass of `ArrayBufferAllocator` that performs additional debug checking, which in particular verifies that: - All `ArrayBuffer` backing stores have been allocated with this allocator, or have been explicitly marked as coming from a compatible source. - All memory allocated by the allocator has been freed once it is destroyed. PR-URL: https://github.com/nodejs/node/pull/26207 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
2019-02-20report: remove verbose settingcjihrig
This commit removes the --diagnostic-report-verbose CLI option and all associated logic. The flag is currently only used in one place, and only reflects the settings at startup. Additionally, Node tends to use the NODE_DEBUG mechanism for adding verbose output. PR-URL: https://github.com/nodejs/node/pull/26195 Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
2019-02-08src: allow --perf-prof-unwinding-info in NODE_OPTIONSTom Gallacher
PR-URL: https://github.com/nodejs/node/pull/25565 Reviewed-By: Sam Roberts <vieuxtech@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>
2019-02-08src: allow --perf-basic-prof-only-functions in NODE_OPTIONSTom Gallacher
PR-URL: https://github.com/nodejs/node/pull/25565 Reviewed-By: Sam Roberts <vieuxtech@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>
2019-02-08lib: use `internal/options` to query `--abort-on-uncaught-exception`Joyee Cheung
Instead of using `internalBinding('config').shouldAbortOnUncaughtException`. Also removes that property from the binding. PR-URL: https://github.com/nodejs/node/pull/25862 Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
2019-02-02process: move DEP0062 (node --debug) to end-of-lifeJoyee Cheung
This has already been practically end-of-life since `node --debug` alone would exit the process. This patch drops support of `node --inspect --debug-brk` as well. `node --inspect --debug-brk` has been deprecated since v8, it has been maintained so that vendors can target Node.js v6 and above without detecting versions. The support of `--inspect`, which starts from v6, will reach end-of-life in April 2019, it should be safe to drop the support of `--inspect --debug-brk` altogether in v12. Also removes `process._deprecatedDebugBrk` PR-URL: https://github.com/nodejs/node/pull/25828 Refs: https://github.com/nodejs/node/pull/12949 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Eugene Ostroukhov <eostroukhov@google.com> Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
2019-02-02process: exit on --debug and --debug-brk after option parsingJoyee Cheung
Moves the exit of `--debug` and `--debug-brk` earlier, that is, after the option parsing is done in the C++ land. Also removes `process._invalidDebug`. PR-URL: https://github.com/nodejs/node/pull/25828 Refs: https://github.com/nodejs/node/pull/12949 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Eugene Ostroukhov <eostroukhov@google.com> Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
2019-01-31src: workaround MSVC compiler bugRefael Ackermann
PR-URL: https://github.com/nodejs/node/pull/25596 Fixes: https://github.com/nodejs/node/issues/25593 Refs: https://developercommunity.visualstudio.com/content/problem/432157/dynamic-initializers-out-of-order.html Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com> Reviewed-By: Anna Henningsen <anna@addaleax.net>
2019-01-27src: simplify inspector initialization in node::Start()Joyee Cheung
Remove the `StartInspector` and `InspectorStarted` abstraction out of `v8_platform`, and error out early and directly in the option parser if Node is configured with NODE_USE_V8_PLATFORM and inspector enabled but the user still tries to use inspector options. PR-URL: https://github.com/nodejs/node/pull/25612 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
2019-01-25src: remove has_experimental_policy optionAnna Henningsen
This would be set when `--experimental-policy` was set, but since an empty string does not refer to a valid file, we can just check the value of `--experimental-policy` directly. PR-URL: https://github.com/nodejs/node/pull/25628 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com> Reviewed-By: Minwoo Jung <minwoo@nodesource.com>
2019-01-22report: simplify option checkingcjihrig
Also update the code for house style. PR-URL: https://github.com/nodejs/node/pull/25597 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Denys Otrishko <shishugi@gmail.com>
2019-01-21src: reduce includes of node_internals.hJoyee Cheung
PR-URL: https://github.com/nodejs/node/pull/25507 Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com>
2019-01-18src: merge into coreGireesh Punathil
Make node-report part of core runtime because: 1. When enabled, node-report significantly helps root cause various types of problems, including support issues sent to the various repos of the Node.js organization. 2. The requirement of explicitly adding the dependency to node-report in user applications often represents a blocker to adoption. Major deviation from the module version of the node-report is that the report is generated in JSON format, as opposed to human readable text. No new functionalities have been added, changes that are required for melding it as a built-in capability has been affected on the module version of node-report (https://github.com/nodejs/node-report) Co-authored-by: Bidisha Pyne <bidipyne@in.ibm.com> Co-authored-by: Howard Hellyer <hhellyer@uk.ibm.com> Co-authored-by: Jeremiah Senkpiel <fishrock123@rocketmail.com> Co-authored-by: Julian Alimin <dmastag@yahoo.com> Co-authored-by: Lakshmi Swetha Gopireddy <lakshmigopireddy@in.ibm.com> Co-authored-by: Manusaporn Treerungroj <m.treerungroj@gmail.com> Co-authored-by: Michael Dawson <michael_dawson@ca.ibm.com> Co-authored-by: Richard Chamberlain <richard_chamberlain@uk.ibm.com> Co-authored-by: Richard Lau <riclau@uk.ibm.com> Co-authored-by: Sam Roberts <vieuxtech@gmail.com> Co-authored-by: Vipin Menon <vipinmv1@in.ibm.com> PR-URL: https://github.com/nodejs/node/pull/22712 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Michael Dawson <Michael_Dawson@ca.ibm.com> Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
2019-01-17policy: manifest with subresource integrity checksBradley Farias
This enables code loaded via the module system to be checked for integrity to ensure the code loaded matches expectations. PR-URL: https://github.com/nodejs/node/pull/23834 Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: Vladimir de Turckheim <vlad2t@hotmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
2019-01-09worker: remove `--experimental-worker` flagAnna Henningsen
Having an experimental feature behind a flag makes change if we are expecting significant breaking changes to its API. Since the Worker API has been essentially stable since its initial introduction, and no noticeable doubt about possibly not keeping the feature around has been voiced, removing the flag and thereby reducing the barrier to experimentation, and consequently receiving feedback on the implementation, seems like a good idea. PR-URL: https://github.com/nodejs/node/pull/25361 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Yuta Hiroto <hello@hiroppy.me> Reviewed-By: Shingo Inoue <leko.noor@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com> Reviewed-By: Tobias Nießen <tniessen@tnie.de> Reviewed-By: Masashi Hirano <shisama07@gmail.com> Reviewed-By: Weijia Wang <starkwang@126.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
2019-01-08src: move per-process global variables into node::per_processJoyee Cheung
So that it's easier to tell whether we are manipulating per-process global states that may need to be treated with care to avoid races. Also added comments about these variables and moved some of them to a more suitable compilation unit: - Move `v8_initialized` to `util.h` since it's only used in `util.cc` and `node.cc` - Rename `process_mutex` to `tty_mutex` and move it into `node_errors.cc` since that's the only place it's used to guard the tty. - Move `per_process_opts_mutex` and `per_process_opts` into `node_options.h` and rename them to `per_process::cli_options[_mutex]` - Rename `node_isolate[_mutex]` to `per_process::main_isolate[_mutex]` PR-URL: https://github.com/nodejs/node/pull/25302 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
2018-12-20cli: add --max-http-header-size flagcjihrig
Allow the maximum size of HTTP headers to be overridden from the command line. co-authored-by: Matteo Collina <hello@matteocollina.com> PR-URL: https://github.com/nodejs/node/pull/24811 Fixes: https://github.com/nodejs/node/issues/24692 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Myles Borins <myles.borins@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
2018-12-20src: add kUInteger parsingMatteo Collina
This commit adds support for uint64_t option parsing. PR-URL: https://github.com/nodejs/node/pull/24811 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Myles Borins <myles.borins@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
2018-12-20src: mark options parsers as constAnna Henningsen
These do not change their contents after being constructed. PR-URL: https://github.com/nodejs/node/pull/25065 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
2018-12-09http: switch default parser to llhttpAnna Henningsen
Refs: https://github.com/nodejs/node/pull/24739 Fixes: https://github.com/nodejs/node/issues/24730 PR-URL: https://github.com/nodejs/node/pull/24870 Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
2018-12-09inspector: split the HostPort being used and the one parsed from CLIJoyee Cheung
Instead of using a shared pointer of the entire debug option set, pass the parsed debug option to inspector classes by value because they are set once the CLI argument parsing is done. Add another shared pointer to HostPort being used by the inspector server, which is copied from the one in the debug options initially. The port of the shared HostPort is 9229 by default and can be specified as 0 initially but will be set to the actual port of the server once it starts listening. This makes the shared state clearer and makes it possible to use `require('internal/options')` in JS land to query the CLI options instead of using `process._breakFirstLine` and other underscored properties of `process` since we are now certain that these values should not be altered once the parsing is done and can be passed around in copies without locks. PR-URL: https://github.com/nodejs/node/pull/24772 Reviewed-By: Anna Henningsen <anna@addaleax.net>
2018-12-06http: make parser choice a runtime flagAnna Henningsen
Add a `--http-parser=llhttp` vs `--http-parser=traditional` command line switch, to make testing and comparing the new llhttp-based implementation easier. PR-URL: https://github.com/nodejs/node/pull/24739 Refs: https://github.com/nodejs/node/issues/24730 Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Matheus Marchini <mat@mmarchini.me> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
2018-12-03src: fix type mismatch warnings from missing privSam Roberts
Registration initialization functions are expected to have a 4th argument, a void*, so add them where necessary to fix the warnings. PR-URL: https://github.com/nodejs/node/pull/24737 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
2018-11-19doc: describe secureProtocol and CLI interactionSam Roberts
Cross-reference the secureProtocol docs and the CLI docs for --tls-v1.0 and --tls-v1.1 and describe relationship. Make clear that --tls-v1.0 enables TLSv1.0 and TLSv1.1. PR-URL: https://github.com/nodejs/node/pull/24386 Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com> Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com> Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com>
2018-11-13tls: disable TLS v1.0 and v1.1 by defaultBen Noordhuis
Refs: https://blog.mozilla.org/security/2018/10/15/removing-old-versions-of-tls/ PR-URL: https://github.com/nodejs/node/pull/23814 Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Sam Roberts <vieuxtech@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Rod Vagg <rod@vagg.org> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
2018-11-07src: cache the result of GetOptions() in JS landJoyee Cheung
Instead of calling into C++ each time we need to check the value of a command line option, cache the option map in a new `internal/options` module for faster access to the values in JS land. PR-URL: https://github.com/nodejs/node/pull/24091 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Refael Ackermann <refack@gmail.com>
2018-09-25cli: normalize `_` → `-` when parsing optionsAnna Henningsen
This allows for option syntax similar to V8’s one, e.g. `--no_warnings` has the same effect as `--no-warnings`. PR-URL: https://github.com/nodejs/node/pull/23020 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
2018-09-22src: add CheckOptions to Options classesDaniel Bevenius
This commit adds a CheckOptions function that the options classes can optionally implement to check that options specified are correct (dependencies between options are met or options that are mutually exclusive). In the process of doing this the error pointer passed to Parse was changed to be of type vector so that potentially multiple options check failures can be reported. PR-URL: https://github.com/nodejs/node/pull/22943 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
2018-09-21tools: add bash completion for nodeDaniel Bevenius
This commit adds a --completion-bash option to node which can be sourced to provide bash code completion for node options. Usage: $ node --completion-bash > node_bash_completion $ source node_bash_completion $ node --[tab] PR-URL: https://github.com/nodejs/node/pull/20713 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Denys Otrishko <shishugi@gmail.com>
2018-09-16src: fix `--prof-process` CLI argument handlingAnna Henningsen
Make sure that options after `--prof-process` are not treated as Node.js options. Fixes: https://github.com/nodejs/node/issues/22786 PR-URL: https://github.com/nodejs/node/pull/22790 Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Bryan English <bryan@bryanenglish.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
2018-09-07src: fix trace-event-file-pattern descriptionAndreas Madsen
PR-URL: https://github.com/nodejs/node/pull/22690 Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Richard Lau <riclau@uk.ibm.com>
2018-09-05src: remove editing leftovers from options help textAnna Henningsen
PR-URL: https://github.com/nodejs/node/pull/22636 Refs: https://github.com/nodejs/node/commit/ 85212bb182f555f6d09e0b2f5f78d2d8e19bcef1#r30265305 Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
2018-09-03src: disable debug options when inspector is unavailableAnna Henningsen
This fixes `parallel/test-cli-node-print-help` when Node.js is compiled without the inspector. PR-URL: https://github.com/nodejs/node/pull/22657 Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Denys Otrishko <shishugi@gmail.com>
2018-09-01cli: generate --help text in JSAnna Henningsen
Instead of having a custom, static, hand-written string that is being printed to stdout when `--help` is present, generate it in JS when requested. PR-URL: https://github.com/nodejs/node/pull/22490 Reviewed-By: Michaël Zasso <targos@protonmail.com>
2018-09-01src: make CLI options programatically accesibleAnna Henningsen
Provide `internalBinding('options')` with some utilities around making the options parser and current options values programatically accessible. PR-URL: https://github.com/nodejs/node/pull/22490 Reviewed-By: Michaël Zasso <targos@protonmail.com>
2018-08-22src: refactor options parsingAnna Henningsen
This is a major refactor of our Node’s parser. See `node_options.cc` for how it is used, and `node_options-inl.h` for the bulk of its implementation. Unfortunately, the implementation has come to have some complexity, in order to meet the following goals: - Make it easy to *use* for defining or changing options. - Keep it (mostly) backwards-compatible. - No tests were harmed as part of this commit. - Be as consistent as possible. - In particular, options can now generally accept arguments through both `--foo=bar` notation and `--foo bar` notation. We were previously very inconsistent on this point. - Separate into different levels of scope, namely per-process (global), per-Isolate and per-Environment (+ debug options). - Allow programmatic accessibility in the future. - This includes a possible expansion for `--help` output. This commit also leaves a number of `TODO` comments, mostly for improving consistency even more (possibly with having to modify tests), improving embedder support, as well as removing pieces of exposed configuration variables that should never have become part of the public API but unfortunately are at this point. PR-URL: https://github.com/nodejs/node/pull/22392 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Gus Caplan <me@gus.host>
2015-06-01Revert "src: add getopt option parser"Evan Lucas
This reverts commit c0e7bf2d8ceb65ad3840bc4ebf3cbd9fef8e8c14. There are a few edge cases that can cause a crash and need to be properly handled. PR-URL: https://github.com/nodejs/io.js/pull/1862 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
2015-06-01src: add getopt option parserEvan Lucas
Options have been moved into the NodeOptions class. A new global, node_options now exists and is used to access the options after the command line arguments have been parsed. PR-URL: https://github.com/nodejs/io.js/pull/1804 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
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