gocode and godef issue repo

00 scenario.txt

$ export GOPATH=/tmp/tmp.INWBhiKAgt
$ cd /tmp/tmp.eoCQw0fOCT
$ mkdir hello
$ cd hello
$ export GOBIN=/tmp/tmp.opPK4KUGiw/hello/.bin
$ export PATH=/tmp/tmp.opPK4KUGiw/hello/.bin:/root/bin:/go/bin:/usr/local/go/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
$ go mod init example.com/hello
go: creating new go.mod: module example.com/hello
$ echo "package main" >pkg.go
$ go get github.com/ianthehat/[email protected]
go: finding github.com/ianthehat/godef v0.0.0-20180914195550-76b7574367a8
go: downloading github.com/ianthehat/godef v0.0.0-20180914195550-76b7574367a8
go: finding golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e
go: downloading golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e
go: finding 9fans.net/go v0.0.0-20180727211846-5d4fa602e1e8
go: downloading 9fans.net/go v0.0.0-20180727211846-5d4fa602e1e8
$ go get github.com/stamblerre/[email protected]
go: finding github.com/stamblerre/gocode v0.0.0-20180923230339-b960ec24cf79
go: downloading github.com/stamblerre/gocode v0.0.0-20180923230339-b960ec24cf79
$ go list -m all
example.com/hello
9fans.net/go v0.0.0-20180727211846-5d4fa602e1e8
github.com/ianthehat/godef v0.0.0-20180914195550-76b7574367a8
github.com/stamblerre/gocode v0.0.0-20180923230339-b960ec24cf79
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e
$ echo 'cGFja2FnZSBtYWluCgppbXBvcnQgKAoJImZtdCIKCSJzdHJpbmdzIgopCgpmdW5jIG1haW4oKSB7
CglzIDo9IFtdc3RyaW5neyJ0ZXN0IiwgImFnYWluIn0KCWZtdC5QcmludGxuKHN0cmluZ3MuSm9p
bihzLCAiICIpKQp9Cg==' | base64 --decode >main.go
$ offset=113
$ cat main.go
package main

import (
        "fmt"
        "strings"
)

func main() {
        s := []string{"test", "again"}
        fmt.Println(strings.Join(s, " "))
}
$ tail -c +113 main.go
oin(s, " "))
}
$ cat main.go | godef -f main.go -o 113
/go/src/strings/strings.go:420:1
$ gocode -in /tmp/tmp.opPK4KUGiw/hello/main.go autocomplete /tmp/tmp.opPK4KUGiw/hello/main.go 113
Found 1 candidates:
  func Join(a []string, sep string) string
$ echo 'Ly8gYSBwYWNrYWdlIGNvbQpwYWNrYWdlIG1haW4KCmltcG9ydCAoCgkiZm10IgoJInN0cmluZ3Mi
CikKCmZ1bmMgbWFpbigpIHsKCXMgOj0gW11zdHJpbmd7InRlc3QiLCAiYWdhaW4ifQoJZm10LlBy
aW50bG4oc3RyaW5ncy5Kb2luKHMsICIgIikpCn0K' | base64 --decode >main.go
$ offset=130
$ cat main.go
// a package com
package main

import (
        "fmt"
        "strings"
)

func main() {
        s := []string{"test", "again"}
        fmt.Println(strings.Join(s, " "))
}
$ tail -c +130 main.go
oin(s, " "))
}
$ cat main.go | godef -f main.go -o 130
2018/09/24 08:58:03 internal error: error "cursor 130 is beyond end of file /tmp/tmp.opPK4KUGiw/hello/main.go (126)" (*errors.errorString) without position
godef: no node found at search pos
$ gocode -in /tmp/tmp.opPK4KUGiw/hello/main.go autocomplete /tmp/tmp.opPK4KUGiw/hello/main.go 130
Found 1 candidates:
  func Join(a []string, sep string) string
$ echo 'Ly8gK2J1aWxkIGlnbm9yZQoKcGFja2FnZSBtYWluCgppbXBvcnQgKAoJImZtdCIKCSJzdHJpbmdz
IgopCgpmdW5jIG1haW4oKSB7CglzIDo9IFtdc3RyaW5neyJ0ZXN0IiwgImFnYWluIn0KCWZtdC5Q
cmludGxuKHN0cmluZ3MuSm9pbihzLCAiICIpKQp9Cg==' | base64 --decode >main.go
$ offset=131
$ cat main.go
// +build ignore

package main

import (
        "fmt"
        "strings"
)

func main() {
        s := []string{"test", "again"}
        fmt.Println(strings.Join(s, " "))
}
$ tail -c +131 main.go
oin(s, " "))
}
$ cat main.go | godef -f main.go -o 131
godef: There must be at least one package that contains the file
$ gocode -in /tmp/tmp.opPK4KUGiw/hello/main.go autocomplete /tmp/tmp.opPK4KUGiw/hello/main.go 131
Nothing to complete.

01 script.sh

export GOPATH=$(mktemp -d)
cd $(mktemp -d)
mkdir hello
cd hello
export GOBIN=$PWD/.bin
export PATH=$GOBIN:$PATH
go mod init example.com/hello
echo "package main" > pkg.go
go get github.com/ianthehat/[email protected]
go get github.com/stamblerre/[email protected]
go list -m all
echo 'cGFja2FnZSBtYWluCgppbXBvcnQgKAoJImZtdCIKCSJzdHJpbmdzIgopCgpmdW5jIG1haW4oKSB7
CglzIDo9IFtdc3RyaW5neyJ0ZXN0IiwgImFnYWluIn0KCWZtdC5QcmludGxuKHN0cmluZ3MuSm9p
bihzLCAiICIpKQp9Cg==' | base64 --decode > main.go
offset=113
cat main.go
tail -c +$offset main.go
cat main.go | godef -f main.go -o $offset
gocode -in $PWD/main.go autocomplete $PWD/main.go $offset
echo 'Ly8gYSBwYWNrYWdlIGNvbQpwYWNrYWdlIG1haW4KCmltcG9ydCAoCgkiZm10IgoJInN0cmluZ3Mi
CikKCmZ1bmMgbWFpbigpIHsKCXMgOj0gW11zdHJpbmd7InRlc3QiLCAiYWdhaW4ifQoJZm10LlBy
aW50bG4oc3RyaW5ncy5Kb2luKHMsICIgIikpCn0K' | base64 --decode > main.go
offset=130
cat main.go
tail -c +$offset main.go
cat main.go | godef -f main.go -o $offset
gocode -in $PWD/main.go autocomplete $PWD/main.go $offset
echo 'Ly8gK2J1aWxkIGlnbm9yZQoKcGFja2FnZSBtYWluCgppbXBvcnQgKAoJImZtdCIKCSJzdHJpbmdz
IgopCgpmdW5jIG1haW4oKSB7CglzIDo9IFtdc3RyaW5neyJ0ZXN0IiwgImFnYWluIn0KCWZtdC5Q
cmludGxuKHN0cmluZ3MuSm9pbihzLCAiICIpKQp9Cg==' | base64 --decode > main.go
offset=131
cat main.go
tail -c +$offset main.go
cat main.go | godef -f main.go -o $offset
gocode -in $PWD/main.go autocomplete $PWD/main.go $offset

02 GOPATH script.sh

export GOPATH=$(mktemp -d)
cd $(mktemp -d)
mkdir -p src/example.com/hello
cd src/example.com/hello
export GOBIN=$PWD/.bin
export PATH=$GOBIN:$PATH
echo "package main" > pkg.go
go get github.com/rogpeppe/godef
go get github.com/mdempsky/gocode
echo 'cGFja2FnZSBtYWluCgppbXBvcnQgKAoJImZtdCIKCSJzdHJpbmdzIgopCgpmdW5jIG1haW4oKSB7
CglzIDo9IFtdc3RyaW5neyJ0ZXN0IiwgImFnYWluIn0KCWZtdC5QcmludGxuKHN0cmluZ3MuSm9p
bihzLCAiICIpKQp9Cg==' | base64 --decode > main.go
offset=113
cat main.go
tail -c +$offset main.go
cat main.go | godef -f main.go -o $offset
gocode -in $PWD/main.go autocomplete $PWD/main.go $offset
echo 'Ly8gYSBwYWNrYWdlIGNvbQpwYWNrYWdlIG1haW4KCmltcG9ydCAoCgkiZm10IgoJInN0cmluZ3Mi
CikKCmZ1bmMgbWFpbigpIHsKCXMgOj0gW11zdHJpbmd7InRlc3QiLCAiYWdhaW4ifQoJZm10LlBy
aW50bG4oc3RyaW5ncy5Kb2luKHMsICIgIikpCn0K' | base64 --decode > main.go
offset=130
cat main.go
tail -c +$offset main.go
cat main.go | godef -f main.go -o $offset
gocode -in $PWD/main.go autocomplete $PWD/main.go $offset
echo 'Ly8gK2J1aWxkIGlnbm9yZQoKcGFja2FnZSBtYWluCgppbXBvcnQgKAoJImZtdCIKCSJzdHJpbmdz
IgopCgpmdW5jIG1haW4oKSB7CglzIDo9IFtdc3RyaW5neyJ0ZXN0IiwgImFnYWluIn0KCWZtdC5Q
cmludGxuKHN0cmluZ3MuSm9pbihzLCAiICIpKQp9Cg==' | base64 --decode > main.go
offset=131
cat main.go
tail -c +$offset main.go
cat main.go | godef -f main.go -o $offset
gocode -in $PWD/main.go autocomplete $PWD/main.go $offset