2022-11-23 05:54:10 +00:00
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mode = ScriptMode.Verbose
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2019-02-06 14:49:11 +00:00
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packageName = "chronos"
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2024-03-21 08:21:51 +00:00
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version = "4.0.1"
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2018-05-16 08:22:34 +00:00
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author = "Status Research & Development GmbH"
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2022-11-23 05:54:10 +00:00
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description = "Networking framework with async/await support"
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license = "MIT or Apache License 2.0"
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2019-02-06 15:24:57 +00:00
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skipDirs = @["tests"]
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2018-05-16 08:22:34 +00:00
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2024-01-24 17:33:13 +00:00
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requires "nim >= 1.6.16",
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2023-11-13 09:56:19 +00:00
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"results",
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2020-07-12 16:22:47 +00:00
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"stew",
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2021-01-30 18:17:22 +00:00
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"bearssl",
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exception tracking (#166)
* exception tracking
This PR adds minimal exception tracking to chronos, moving the goalpost
one step further.
In particular, it becomes invalid to raise exceptions from `callSoon`
callbacks: this is critical for writing correct error handling because
there's no reasonable way that a user of chronos can possibly _reason_
about exceptions coming out of there: the event loop will be in an
indeterminite state when the loop is executing an _random_ callback.
As expected, there are several issues in the error handling of chronos:
in particular, it will end up in an inconsistent internal state whenever
the selector loop operations fail, because the internal state update
functions are not written in an exception-safe way. This PR turns this
into a Defect, which probably is not the optimal way of handling things
- expect more work to be done here.
Some API have no way of reporting back errors to callers - for example,
when something fails in the accept loop, there's not much it can do, and
no way to report it back to the user of the API - this has been fixed
with the new accept flow - the old one should be deprecated.
Finally, there is information loss in the API: in composite operations
like `poll` and `waitFor` there's no way to differentiate internal
errors from user-level errors originating from callbacks.
* store `CatchableError` in future
* annotate proc's with correct raises information
* `selectors2` to avoid non-CatchableError IOSelectorsException
* `$` should never raise
* remove unnecessary gcsafe annotations
* fix exceptions leaking out of timer waits
* fix some imports
* functions must signal raising the union of all exceptions across all
platforms to enable cross-platform code
* switch to unittest2
* add `selectors2` which supercedes the std library version and fixes
several exception handling issues in there
* fixes
* docs, platform-independent eh specifiers for some functions
* add feature flag for strict exception mode
also bump version to 3.0.0 - _most_ existing code should be compatible
with this version of exception handling but some things might need
fixing - callbacks, existing raises specifications etc.
* fix AsyncCheck for non-void T
2021-03-24 09:08:33 +00:00
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"httputils",
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2022-06-29 14:22:57 +00:00
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"unittest2"
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2018-05-16 08:22:34 +00:00
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2023-11-15 08:06:37 +00:00
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import os, strutils
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2023-11-08 15:14:33 +00:00
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2022-11-23 05:54:10 +00:00
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let nimc = getEnv("NIMC", "nim") # Which nim compiler to use
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let lang = getEnv("NIMLANG", "c") # Which backend (c/cpp/js)
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let flags = getEnv("NIMFLAGS", "") # Extra flags for the compiler
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let verbose = getEnv("V", "") notin ["", "0"]
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2024-03-19 16:28:52 +00:00
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let platform = getEnv("PLATFORM", "")
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2023-08-01 09:56:08 +00:00
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let testArguments =
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when defined(windows):
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[
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"-d:debug -d:chronosDebug -d:useSysAssert -d:useGcAssert",
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"-d:release",
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]
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else:
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[
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"-d:debug -d:chronosDebug -d:useSysAssert -d:useGcAssert",
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"-d:debug -d:chronosDebug -d:chronosEventEngine=poll -d:useSysAssert -d:useGcAssert",
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"-d:release",
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]
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2021-11-08 17:09:06 +00:00
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2022-11-23 05:54:10 +00:00
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let cfg =
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2023-11-13 09:54:37 +00:00
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" --styleCheck:usages --styleCheck:error" &
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2022-11-23 05:54:10 +00:00
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(if verbose: "" else: " --verbosity:0 --hints:off") &
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2023-11-13 09:54:37 +00:00
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" --skipParentCfg --skipUserCfg --outdir:build " &
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quoteShell("--nimcache:build/nimcache/$projectName")
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2021-03-03 18:04:09 +00:00
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2022-11-23 05:54:10 +00:00
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proc build(args, path: string) =
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exec nimc & " " & lang & " " & cfg & " " & flags & " " & args & " " & path
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proc run(args, path: string) =
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2023-11-08 15:14:33 +00:00
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build args, path
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exec "build/" & path.splitPath[1]
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2022-11-23 05:54:10 +00:00
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2023-11-15 08:06:37 +00:00
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task examples, "Build examples":
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# Build book examples
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for file in listFiles("docs/examples"):
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if file.endsWith(".nim"):
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2024-02-14 07:27:09 +00:00
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build "--threads:on", file
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2023-11-15 08:06:37 +00:00
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2022-11-23 05:54:10 +00:00
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task test, "Run all tests":
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2023-08-01 09:56:08 +00:00
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for args in testArguments:
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2023-06-04 07:51:02 +00:00
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if (NimMajor, NimMinor) > (1, 6):
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2024-02-14 17:23:15 +00:00
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# First run tests with `refc` memory manager.
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2023-06-04 07:51:02 +00:00
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run args & " --mm:refc", "tests/testall"
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2024-02-14 17:23:15 +00:00
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run args, "tests/testall"
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2023-11-15 08:06:37 +00:00
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2021-11-08 17:09:06 +00:00
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task test_libbacktrace, "test with libbacktrace":
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2024-03-19 16:28:52 +00:00
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if platform != "x86":
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let allArgs = @[
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"-d:release --debugger:native -d:chronosStackTrace -d:nimStackTraceOverride --import:libbacktrace",
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]
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2021-11-08 17:09:06 +00:00
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2024-03-19 16:28:52 +00:00
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for args in allArgs:
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if (NimMajor, NimMinor) > (1, 6):
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# First run tests with `refc` memory manager.
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run args & " --mm:refc", "tests/testall"
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run args, "tests/testall"
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2023-11-15 08:06:37 +00:00
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task docs, "Generate API documentation":
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exec "mdbook build docs"
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exec nimc & " doc " & "--git.url:https://github.com/status-im/nim-chronos --git.commit:master --outdir:docs/book/api --project chronos"
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