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The old ioutil references are still valid, but update our code
to reflect best practices and get used to the new locations.
Code compiled with the bootstrap toolchain
(cmd/asm, cmd/dist, cmd/compile, debug/elf)
must remain Go 1.4-compatible and is excluded.
Also excluded vendored code.
For #41190.
Change-Id: I6d86f2bf7bc37a9d904b6cee3fe0c7af6d94d5b1
Reviewed-on: https://go-review.googlesource.com/c/go/+/263142
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
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Add benchmarks for the Encode/Decode functions operating on []byte and increase decoding performance by removing the calls to strings.Map/bytes.Map and reusing the newline filtering code that is used by NewDecoder.
Cut allocations in half for DecodeString.
Comparison using the new benchmarks:
name old time/op new time/op delta
Encode 16.7µs ± 1% 17.0µs ± 2% +2.25% (p=0.000 n=9+9)
EncodeToString 21.1µs ± 1% 20.9µs ± 1% -0.96% (p=0.000 n=10+10)
Decode 141µs ± 1% 54µs ± 1% -61.51% (p=0.000 n=10+10)
DecodeString 81.4µs ± 0% 54.7µs ± 1% -32.79% (p=0.000 n=9+10)
name old speed new speed delta
Encode 492MB/s ± 1% 481MB/s ± 2% -2.19% (p=0.000 n=9+9)
EncodeToString 389MB/s ± 1% 392MB/s ± 1% +0.97% (p=0.000 n=10+10)
Decode 93.0MB/s ± 1% 241.6MB/s ± 1% +159.82% (p=0.000 n=10+10)
DecodeString 161MB/s ± 0% 240MB/s ± 1% +48.78% (p=0.000 n=9+10)
Change-Id: Id53633514a9e14ecd0389d52114b2b8ca64370cb
GitHub-Last-Rev: f4be3cf55caf5b89d76d14b7f32422faff39e3c3
GitHub-Pull-Request: golang/go#30376
Reviewed-on: https://go-review.googlesource.com/c/go/+/163598
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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Use the following (suboptimal) script to obtain a list of possible
typos:
#!/usr/bin/env sh
set -x
git ls-files |\
grep -e '\.\(c\|cc\|go\)$' |\
xargs -n 1\
awk\
'/\/\// { gsub(/.*\/\//, ""); print; } /\/\*/, /\*\// { gsub(/.*\/\*/, ""); gsub(/\*\/.*/, ""); }' |\
hunspell -d en_US -l |\
grep '^[[:upper:]]\{0,1\}[[:lower:]]\{1,\}$' |\
grep -v -e '^.\{1,4\}$' -e '^.\{16,\}$' |\
sort -f |\
uniq -c |\
awk '$1 == 1 { print $2; }'
Then, go through the results manually and fix the most obvious typos in
the non-vendored code.
Change-Id: I3cb5830a176850e1a0584b8a40b47bde7b260eae
Reviewed-on: https://go-review.googlesource.com/c/go/+/193848
Reviewed-by: Robert Griesemer <gri@golang.org>
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Most changes are removing redundant declaration of type when direct
instantiating value of map or slice, e.g. []T{T{}} become []T{{}}.
Small changes are removing the high order of subslice if its value
is the length of slice itself, e.g. T[:len(T)] become T[:].
The following file is excluded due to incompatibility with go1.4,
- src/cmd/compile/internal/gc/ssa.go
Change-Id: Id3abb09401795ce1e6da591a89749cba8502fb26
Reviewed-on: https://go-review.googlesource.com/c/go/+/166437
Run-TryBot: Dave Cheney <dave@cheney.net>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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Change-Id: I8aaa3d1d2797f3ace34bc09f5123538f6a77efce
GitHub-Last-Rev: 2758c462041ff5e444651b7927d53e809d2efe4d
GitHub-Pull-Request: golang/go#30009
Reviewed-on: https://go-review.googlesource.com/c/160433
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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First, we can lift the enc.decodeMap nil check out of the loop.
Second, we can make it clear to the compiler that 'in := src[0]' doesn't
need a bounds check, by making len(src)==0 a single if check that always
stops the loop. This is by far the largest speed-up.
Third, we can use a dst slice index instead of reslicing dst, which
removes work from the loop body.
While at it, we can merge the two 'switch dlen' pieces of code, which
simplifies the code and doesn't affect performance.
name old time/op new time/op delta
DecodeString-8 80.2µs ± 0% 67.5µs ± 0% -15.81% (p=0.002 n=6+6)
name old speed new speed delta
DecodeString-8 163MB/s ± 0% 194MB/s ± 0% +18.78% (p=0.002 n=6+6)
Change-Id: Iefeaae94c03453f8760452b1da706a77b3522718
Reviewed-on: https://go-review.googlesource.com/c/154422
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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I omitted vendor directories and anything necessary for bootstrapping.
(Tested by bootstrapping with Go 1.4)
Updates #27864
Change-Id: I7d9b68d0372d3a34dee22966cca323513ece7e8a
Reviewed-on: https://go-review.googlesource.com/137856
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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name old time/op new time/op delta
EncodeToString-4 35.5µs ± 7% 33.3µs ± 6% -6.27% (p=0.008 n=10+9)
DecodeString-4 120µs ± 7% 113µs ± 8% -5.88% (p=0.011 n=10+10)
name old speed new speed delta
EncodeToString-4 231MB/s ± 8% 247MB/s ± 5% +6.55% (p=0.008 n=10+9)
DecodeString-4 109MB/s ± 7% 116MB/s ± 8% +6.27% (p=0.011 n=10+10)
Change-Id: I60bf962464179e35b1711617adbc45a822eaece5
Reviewed-on: https://go-review.googlesource.com/45876
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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Immediately following the conditional block removed here is a loop
which checks exactly what the conditional already checked, so the
entire conditional is redundant.
Change-Id: I892fd9f2364d87e2c1cacb0407531daec6643183
Reviewed-on: https://go-review.googlesource.com/114000
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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This change adds functionality to properly handle NoPadding in NewDecoder.
Removes the following expectations when using NoPadding:
* the input message length is a multiple of 8
* the input message length is 0, or longer than 7 characters
Fixes #25332
Change-Id: I7c38160df23f7e8da4f85a5629530016e7bf71f3
GitHub-Last-Rev: 68ab8d2291df5c69e647620f8ef82cc90e06db28
GitHub-Pull-Request: golang/go#25394
Reviewed-on: https://go-review.googlesource.com/113215
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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This changes makes encoder.Close aware of how many bytes to write if there
is any data left in the buffer.
Fixes #25295
Change-Id: I4138891359935509cb561c453b8059ba2b9e576b
GitHub-Last-Rev: f374096d2f3cae8635506074f59e1cd440c14844
GitHub-Pull-Request: golang/go#25316
Reviewed-on: https://go-review.googlesource.com/112515
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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This changes decoder.Read to always return io.ErrUnexpectedEOF if the input
contains surplus padding or unexpected content. Previously the error could
be io.EOF or io.ErrUnexpectedEOF depending on how the input was chunked.
Fixes #25296
Change-Id: I07c36c35e6c83e795c3991bfe45647a35aa58aa4
GitHub-Last-Rev: 818dfda90b0edf9fc415da4579c5810268c1cdba
GitHub-Pull-Request: golang/go#25319
Reviewed-on: https://go-review.googlesource.com/112516
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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This reverts commit 08f19bbde1b01227fdc2fa2d326e4029bb74dd96.
Reason for revert:
The changed transformation takes effect on a larger set
of code snippets than expected.
For example, this:
func foo() {
// Comment
bar()
}
becomes:
func foo() {
// Comment
bar()
}
This is an unintended consequence.
Change-Id: Ifca88d6267dab8a8170791f7205124712bf8ace8
Reviewed-on: https://go-review.googlesource.com/81335
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Joe Tsai <joetsai@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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To improve readability when exported fields are removed,
forbid the printer from emitting an empty line before the first comment
in a const, var, or type block.
Also, when printing the "Has filtered or unexported fields." message,
add an empty line before it to separate the message from the struct
or interfact contents.
Before the change:
<<<
type NamedArg struct {
// Name is the name of the parameter placeholder.
//
// If empty, the ordinal position in the argument list will be
// used.
//
// Name must omit any symbol prefix.
Name string
// Value is the value of the parameter.
// It may be assigned the same value types as the query
// arguments.
Value interface{}
// contains filtered or unexported fields
}
>>>
After the change:
<<<
type NamedArg struct {
// Name is the name of the parameter placeholder.
//
// If empty, the ordinal position in the argument list will be
// used.
//
// Name must omit any symbol prefix.
Name string
// Value is the value of the parameter.
// It may be assigned the same value types as the query
// arguments.
Value interface{}
// contains filtered or unexported fields
}
>>>
Fixes #18264
Change-Id: I9fe17ca39cf92fcdfea55064bd2eaa784ce48c88
Reviewed-on: https://go-review.googlesource.com/71990
Run-TryBot: Joe Tsai <thebrokentoaster@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
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Unroll loop to improve perfromance back to 1.8 level.
name old time/op new time/op delta
EncodeToString-6 63.0µs ± 3% 51.7µs ± 2% -17.94% (p=0.000 n=10+10)
name old speed new speed delta
EncodeToString-6 130MB/s ± 3% 159MB/s ± 2% +21.83% (p=0.000 n=10+10)
Vs 1.8:
EncodeToString-6 54.9µs ± 2% 51.7µs ± 2% -5.95% (p=0.000 n=10+10)
name old speed new speed delta
EncodeToString-6 149MB/s ± 2% 159MB/s ± 2% +6.32% (p=0.000 n=10+10)
Fixes #21262
Change-Id: I41bf7e1f61041781386d16d573bffe1a7173c0c3
Reviewed-on: https://go-review.googlesource.com/52510
Run-TryBot: Ilya Tocar <ilya.tocar@intel.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
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CL 47341 added support for decoding non-padded messages. But DecodedLen
still returned a multiple of 5 for messages without a padding, even
though it is possible to calculate the len exactly when using NoPadding.
This change makes DecodedLen return the exact number of bytes that
will be written. A change to the decoding logic is also made so that it
can handle this case.
DecodedLen now has the same behaviour as DecodedLen in encoding/base64.
Fixes #20854
Change-Id: I729e0b1c0946c866fb675c854f835f366dd4b5a4
Reviewed-on: https://go-review.googlesource.com/47710
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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CL 38634 added support for custom (and disabled) padding characters
when encoding, but didn't update the decoding paths. This adds
decoding support.
Fixes #20854
Change-Id: I9fb1a0aaebb27f1204c9f726a780d5784eb71024
Reviewed-on: https://go-review.googlesource.com/47341
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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The ascii85, base32 and base64 packages all contain a test called
TestDecoderBuffering. Each of these tests contain a loop that ignores
the error returned from the Read method of their decoders. The result
being that the tests loop for ever if the decoders actually return an
error. This commit fixes the issue by terminating the loops if an error
occurs and failing the tests with a suitable error message.
Change-Id: Idb385673cf9f3f6f8befe4288b4be366ab0985fd
Reviewed-on: https://go-review.googlesource.com/46010
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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Some of the _test.go files in the encoding packages contain a private
function called testEqual that calls testing.Errorf if the arguments
passed to it are unequal. The line numbers output by such calls to
Errorf identify the failure as being in testEqual itself which is not
very useful. This commit fixes the problem by adding a call to the
new t.Helper method in each of the testEqual functions. The line
numbers output when errors do occur now identify the real source of
the error.
Change-Id: I582d1934f40ef2b788116c3811074c67ea882021
Reviewed-on: https://go-review.googlesource.com/45871
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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Fixes #19478
Change-Id: I9fc186610d79fd003e7b5d88c0955286ebe7d3cf
Reviewed-on: https://go-review.googlesource.com/38634
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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A number of issues in decoder.Read and newlineFilteringReader.Read were
preventing errors from the reader supplying the encoded data from being
propagated to the caller. Fixing these issues revealed some additional
problems in which valid decoded data was not always returned to the user
when errors were actually propagated.
This commit fixes both the error propagation and the lost decoded data
problems. It also adds some new unit tests to ensure errors are handled
correctly by decoder.Read. The new unit tests increase the test coverage
of this package from 96.2% to 97.9%.
Fixes #20044
Change-Id: I1a8632da20135906e2d191c2a8825b10e7ecc4c5
Reviewed-on: https://go-review.googlesource.com/42094
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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The tree's pretty inconsistent about single space vs double space
after a period in documentation. Make it consistently a single space,
per earlier decisions. This means contributors won't be confused by
misleading precedence.
This CL doesn't use go/doc to parse. It only addresses // comments.
It was generated with:
$ perl -i -npe 's,^(\s*// .+[a-z]\.) +([A-Z]),$1 $2,' $(git grep -l -E '^\s*//(.+\.) +([A-Z])')
$ go test go/doc -update
Change-Id: Iccdb99c37c797ef1f804a94b22ba5ee4b500c4f7
Reviewed-on: https://go-review.googlesource.com/20022
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: Dave Day <djd@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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This is a subset of https://golang.org/cl/20022 with only the copyright
header lines, so the next CL will be smaller and more reviewable.
Go policy has been single space after periods in comments for some time.
The copyright header template at:
https://golang.org/doc/contribute.html#copyright
also uses a single space.
Make them all consistent.
Change-Id: Icc26c6b8495c3820da6b171ca96a74701b4a01b0
Reviewed-on: https://go-review.googlesource.com/20111
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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Change-Id: Icd06d99c42b8299fd931c7da821e1f418684d913
Reviewed-on: https://go-review.googlesource.com/19829
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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Preparation was in CL 134570043.
This CL contains only the effect of 'hg mv src/pkg/* src'.
For more about the move, see golang.org/s/go14nopkg.
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