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x/tools/gopls: cannot navigate unsafe package from vscode thru gopls #43058

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c3y28 opened this issue Dec 8, 2020 · 1 comment
Open

x/tools/gopls: cannot navigate unsafe package from vscode thru gopls #43058

c3y28 opened this issue Dec 8, 2020 · 1 comment

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@c3y28
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@c3y28 c3y28 commented Dec 8, 2020

What did you do?

edit below golang code in vscode with gopls used, try navigate Sizeof function to open unsafe.go

package main

import (
	"fmt"
	"unsafe"
)

func main() {
	account := 100
	fmt.Println(unsafe.Sizeof(account))
}

What did you expect to see?

navigate from unsafe usage to unsafe.go in vscode when using gopls. if gopls is not used, vscode works to navigate on unsafe package

What did you see instead?

fail to navigate, showing "No definition found for 'Sizeof'", open unsafe.go in the same vscode window, will see the following problem on package line
image

Build info

golang.org/x/tools/gopls v0.5.5
    golang.org/x/tools/gopls@v0.5.5 h1:YBLs2WCwxx6mBF98Y6/mDIpKhP4Dt4Dz2q6LnMRBpDw=
    github.com/BurntSushi/toml@v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
    github.com/google/go-cmp@v0.5.1 h1:JFrFEBb2xKufg6XkJsJr+WbKb4FQlURi5RUcBveYu9k=
    github.com/sergi/go-diff@v1.1.0 h1:we8PVUC3FE2uYfodKH/nBHMSetSfHDR6scGdBi+erh0=
    golang.org/x/mod@v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4=
    golang.org/x/sync@v0.0.0-20201020160332-67f06af15bc9 h1:SQFwaSi55rU7vdNs9Yr0Z324VNlrF+0wMqRXT4St8ck=
    golang.org/x/tools@v0.0.0-20201204180437-c46b611624b3 h1:uxH+MECLNmX/vsPe4txyeQ1LCmhdUxf7p4hjkHexg+c=
    golang.org/x/xerrors@v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
    honnef.co/go/tools@v0.0.1-2020.1.6 h1:W18jzjh8mfPez+AwGLxmOImucz/IFjpNlrKVnaj2YVc=
    mvdan.cc/gofumpt@v0.0.0-20200927160801-5bfeb2e70dd6 h1:z+/YqapuV7VZPvBb3GYmuEJbA88M3PFUxaHilHYVCpQ=
    mvdan.cc/xurls/v2@v2.2.0 h1:NSZPykBXJFCetGZykLAxaL6SIpvbVy/UFEniIfHAa8A=
@stamblerre
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@stamblerre stamblerre commented Dec 23, 2020

Thank you for the report. It looks like our use of types.Unsafe is not sufficient. Likely, the unsafe package needs to be given special treatment, much like the builtin package.

We will address this for gopls/v1.0.0, but we will not resolve this bug before February.

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