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https://github.com/logos-storage/nim-chronos.git
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4abd7a5645
* 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
31 lines
908 B
Nim
31 lines
908 B
Nim
packageName = "chronos"
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version = "3.0.0"
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author = "Status Research & Development GmbH"
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description = "Chronos"
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license = "Apache License 2.0 or MIT"
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skipDirs = @["tests"]
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### Dependencies
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requires "nim > 1.2.0",
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"stew",
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"bearssl",
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"httputils",
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"https://github.com/status-im/nim-unittest2.git#head"
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task test, "Run all tests":
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var commands = @[
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"nim c -r -d:useSysAssert -d:useGcAssert tests/",
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"nim c -r -d:chronosStackTrace -d:chronosStrictException tests/",
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"nim c -r -d:release tests/",
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"nim c -r -d:release -d:chronosFutureTracking tests/"
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]
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when (NimMajor, NimMinor) >= (1, 5):
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commands.add "nim c -r --gc:orc -d:chronosFutureTracking -d:release -d:chronosStackTrace tests/"
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for testname in ["testall"]:
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for cmd in commands:
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let curcmd = cmd & testname
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echo "\n" & curcmd
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exec curcmd
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