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fixes #23784
notes that before https://github.com/nim-lang/Nim/pull/23477, it didn't
fold paths containing `addr`/`unsafeAddr` because it retained the form
of the magic function: `mAddr`.
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(for `string` or any other key type). Independence is nice to ever
change orders. So, change it to just `len` & a `doAssert` like the other
test in the same file.
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fixes #23775
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Using initOptParser with an empty cmdline (so that it gets the cmdline
from the command line) in nimscripts does not yield the expected
results.
Fixes #23774.
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- In lexbase.nim, `\c` `\L` were rendered as `c` `L`.
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After this pr, for a string with just 20 length and 6 `'\t'`, the time reduces by about 1.5%[^t].
Also, the code is clearer than the previous at some places.
[^t]: Generally speaking, this rate increases with length. I may test
for longer string later.
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#23755
---------
Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
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Reverts nim-lang/Nim#23763
Too vague and fear inducing.
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Fixes #5091.
Ensure we don't wait on an exited process on Linux
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arguments (#23769)
fixes #23748
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```
$ curl -v http://example.com/404 |& grep 'HTTP/1.1'
> GET /404 HTTP/1.1
< HTTP/1.1 500 Internal Server Error
```
So, the test with http://example.com/404 should be disabled, I think.
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- See
https://github.com/nim-lang/Nim/issues/23759#issuecomment-2192123783
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fixes #23759
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refc [backport] (#23761)
fixes #9940
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[backport]
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fixes #23749, refs #22716
`semIndirectOp` is used here because of the callback expressions, in
this case `db.getProc(...)`, and `semIndirectOp` calls `semOpAux` to
type its arguments before overloading starts. Hence it can opt in to
symchoices since overloading will resolve them.
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This fixes crashes in some specific network configurations (as
`cstringArrayToSeq` is used extensively in `nativesockets`).
---------
Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
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Assuming CI tests pass (they do for me locally), this should be merged
to keep them passing.
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strs/seqs for refc (#23745)
fixes #23742
Before my PR, `setLen(0)` doesn't free buffer if `s != nil`, but it
allocated unnecessary memory for `strs`. This PR rectifies this
behavior. `setLen(0)` no longer allocates memory for uninitialized
strs/seqs
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fixes #23711
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Unlike present Nim this actually fills `Hash` for `string` & related.
For the curious, note that `hashData` remains the aboriginal Nim string
hasher & `import hashes {.all.}` allows simultaneous test/time of {orig,
murmur, farm} on your favorite CPU & back end compiler.
Update tests also conditioned upon `nimPreviewHashFarm` so they should
pass either with or without that `define` on.
In `--jsbigint=on` mode, only the lower 32-bits of `Hash` match nimvm &
run-time values because `type Hash = int` and on JS int=int32, not int64
as for 64-bit Nim platforms. Due to the matching, `const` Table should
match run-time `Table` on all platforms.
To operate in `--jsbigint=off` mode is feasible but needs much "double
precision mul/xor/ror/shr-arithmetic"-style work. That is distracting &
also of questionable value since JS added BigInt in 2018, ringabout
added Nim support for it in 2021 & `nimPreviewHashFarm` is unlikely to
swap from an opt-in to an opt-out default before 2025..2026 which will
have given a backward looking time window of 7..8 years for deployment
platforms - reasonably generous.
Add a changelog entry for 2.2.
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compatibility (#23736)
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(#23737)
…ots of dummy syms and types
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fixes #23732
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```
Unhandled exception: /home/runner/work/Nim/Nim/pkgstemp/dnsclient/tests/test1.nim(28, 3) `rr.strings == @["dnsclient.nim"]` [AssertionDefect]
[FAILED] query TXT
[OK] query MX
[OK] query CNAME
[OK] query SRV
Error: execution of an external program failed: '/home/runner/work/Nim/Nim/pkgstemp/dnsclient/tests/test1'
Tip: 2 messages have been suppressed, use --verbose to show them.
tools.nim(36) doCmd
Error: Execution failed with exit code 1
... Command: /home/runner/work/Nim/Nim/bin/nim c --noNimblePath -d:NimblePkgVersion=0.3.4 --hints:off -r --path:. /home/runner/work/Nim/Nim/pkgstemp/dnsclient/tests/test1
```
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fixes #23730
Since #23188 the compiler errors when matching a type variable to an
uninstantiated static value. However sometimes an uninstantiated static
value is given even when only a type match is being performed to the
base type of the static type, in the given issue this case is:
```nim
proc foo[T: SomeInteger](x: T): int = int(x)
proc bar(x: static int): array[foo(x), int] = discard
discard bar(123)
```
To deal with this issue we only error when matching against a type
variable constrained to `static`.
Not sure if the `q.typ.kind == tyGenericParam and
q.typ.genericConstraint == tyStatic` check is necessary, the code above
for deciding whether the variable becomes `skConst` doesn't use it.
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fixes #17247
This generates a new NIM_STATIC_ASSERT_AUX variable for each line that
NIM_STATIC_ASSERT is called from.
While this can solve all existing issues in the current code base, this
method is not effective for multiple asserts on a single line.
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type (#23608)
fixes #20048
fixes #15746
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ref #20653
```nim
Error* = object
case kind*: ErrorType
of ErrorA:
discard
of ErrorB:
discard
```
For an object variants without fields, it shouldn't generate empty
brackets for default values since there are no fields at all in case
branches.
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via `memfiles.resize` (#23717)
Fix non-exported `setFileSize` to take optional `oldSize` to (on posix)
shrink differently than it grows (`ftruncate` not `posix_fallocate`)
since it makes sense to assume the higher address space has already been
allocated there and include the old file size in the `proc resize` call.
Also, do not even try `setFileSize` in the first place unless the `open`
itself works by moving the call into the `if newFileSize != -1` branch.
Just cosmetics, also improve some old 2011 comments, note a logic diff
for callers using both `mappedSize` & `newFileSize` from windows branch
in case someone wants to fix that & simplify code formatting a little.
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fixes #23513
Also, the old `runnableExample` is just a copy of `proc
parseInt(openArray[char], var int, int)` variant (in Line 1000).
---------
Co-authored-by: ringabout <43030857+ringabout@users.noreply.github.com>
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fixes #23690
```nim
dest.`:state` = src.`:state`
var :tmp_553651276 = dest.e1.a
`=wasMoved`(dest.e1.a)
dest.e1.a.kind = src.e1.a.kind
case dest.e1.a.kind
of 0:
dest.e1.a.a = src.e1.a.a
of 1:
`=copy`(dest.e1.a.c, src.e1.a.c)
case :tmp_553651276.kind
of 0:
of 1:
`=destroy`(:tmp_553651276.c)
```
`dest.e1.a.kind = src.e1.a.kind` changes the discrimant but it fails to
clear the memory of `dest.e1.a`. Before using hooks for copying, we need
to clear the dest, e.g. `=wasMoved(dest.e1.a.c)`.
```nim
dest.`:state` = src.`:state`
var :tmp_553651276 = dest.e1.a
`=wasMoved`(dest.e1.a)
dest.e1.a.kind = src.e1.a.kind
case dest.e1.a.kind
of 0:
`=wasMoved`(dest.e1.a.a)
dest.e1.a.a = src.e1.a.a
`=wasMoved`(dest.e1.a.b)
of 1:
`=wasMoved`(dest.e1.a.c)
`=copy`(dest.e1.a.c, src.e1.a.c)
case :tmp_553651276.kind
of 0:
of 1:
`=destroy`(:tmp_553651276.c)
```
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and the library in /usr/lib/nim (#23697)
(Not tested)
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https://github.com/Yardanico/nimpylib is 404 now
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fixes #22672
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follow up https://github.com/nim-lang/Nim/pull/6265
fixes #5901
fixes #21211
It causes many problems with gcc14 if we fold the cast function types.
Let's check what it will break
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fixes #10440, fixes #13871, fixes #14665, fixes #19672, fixes #23677
The false positive in #23677 was caused by behavior in
`implicitlyDiscardable` where only the last node of `if`/`case`/`try`
etc expressions were considered, as in the final node of the final
branch (in this case `else`). To fix this we use the same iteration in
`implicitlyDiscardable` that we use in `endsInNoReturn`, with the
difference that for an `if`/`case`/`try` statement to be implicitly
discardable, all of its branches must be implicitly discardable.
`noreturn` calls are also considered implicitly discardable for this
reason, otherwise stuff like `if true: discardableCall() else: error()`
doesn't compile.
However `endsInNoReturn` also had bugs, one where `finally` was
considered in noreturn checking when it shouldn't, another where only
`nkIfStmt` was checked and not `nkIfExpr`, and the node given for the
error message was bad. So `endsInNoReturn` now skips over
`skipForDiscardable` which no longer contains
`nkIfStmt`/`nkCaseStmt`/`nkTryStmt`, stores the first encountered
returning node in a var parameter for the error message, and handles
`finally` and `nkIfExpr`.
Fixing #23677 already broke a line in `syncio` so some package code
might be affected.
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