x/mobile: add support of Obj-C unsigned char #27723
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Please answer these questions before submitting your issue. Thanks!
What version of Go are you using (
go version
)?go version go1.9.2 darwin/amd64
Does this issue reproduce with the latest release?
yes
What operating system and processor architecture are you using (
go env
)?GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOOS="darwin"
GOPATH="/Users/tadovas/work/go/openvpnv3-go-bindings"
GORACE=""
GOROOT="/usr/local/Cellar/go/1.9.2/libexec"
GOTOOLDIR="/usr/local/Cellar/go/1.9.2/libexec/pkg/tool/darwin_amd64"
GCCGO="gccgo"
CC="clang"
GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/_j/73ymsvw56v989xyfwn6q18_m0000gn/T/go-build298437704=/tmp/go-build -gno-record-gcc-switches -fno-common"
CXX="clang++"
CGO_ENABLED="1"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
What did you do?
import "Objc/NetworkExtension/NEPacket"
....
_ = NEPacket.NewWithData(data, uint8(PF_INET))
If possible, provide a recipe for reproducing the error.
A complete runnable program is good.
A link on play.golang.org is best.
What did you expect to see?
succesful gomobile bind command
What did you see instead?
gomobile: /Users/tadovas/work/go/openvpnv3-go-bindings/bin/gobind -lang=go,objc -outdir=/var/folders/_j/73ymsvw56v989xyfwn6q18_m0000gn/T/gomobile-work-389033767 -tags=ios ... failed: exit status 2
panic: invalid kind
goroutine 1 [running]:
golang.org/x/mobile/bind.(*ObjcWrapper).goType(0xc4200f79e0, 0xc420248d40, 0x0, 0x0, 0x0)
/Users/tadovas/work/go/openvpnv3-go-bindings/src/golang.org/x/mobile/bind/genobjcw.go:752 +0x290
golang.org/x/mobile/bind.(*ObjcWrapper).genFuncDecl(0xc4200f79e0, 0x132a000, 0xc42137f860)
/Users/tadovas/work/go/openvpnv3-go-bindings/src/golang.org/x/mobile/bind/genobjcw.go:600 +0xb5
golang.org/x/mobile/bind.(*ObjcWrapper).GenPackage(0xc4200f79e0, 0x3)
/Users/tadovas/work/go/openvpnv3-go-bindings/src/golang.org/x/mobile/bind/genobjcw.go:552 +0x62c
main.genObjcPackages(0x7ffeefbff93e, 0x48, 0xc42135d7e0, 0x3, 0x4, 0x0, 0x0, 0x0, 0x0, 0xc420047b08)
/Users/tadovas/work/go/openvpnv3-go-bindings/src/golang.org/x/mobile/cmd/gobind/gen.go:201 +0x4f9
main.run()
/Users/tadovas/work/go/openvpnv3-go-bindings/src/golang.org/x/mobile/cmd/gobind/main.go:128 +0xec1
main.main()
/Users/tadovas/work/go/openvpnv3-go-bindings/src/golang.org/x/mobile/cmd/gobind/main.go:45 +0x27
It seems that, gomobile correctly handles objc.Char types, but panics on objc.UChar type, which can be easily implemented. PR follows
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