mirror of
https://github.com/golang/go
synced 2024-11-19 11:34:49 -07:00
c006dc79eb
Our completion tests check for a lot of different behaviors. It may be easier to develop if we have separate tests for things like deep completion and completion snippets. Change-Id: I7f4b0c0e52670f2a6c00247199933fd1ffa0096f Reviewed-on: https://go-review.googlesource.com/c/tools/+/196021 Run-TryBot: Rebecca Stambler <rstambler@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Cottrell <iancottrell@google.com>
113 lines
2.5 KiB
Go
113 lines
2.5 KiB
Go
// +build ignore
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// mkunimported generates the unimported.go file, containing the Go standard
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// library packages.
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// The completion items from the std library are computed in the same way as in the
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// golang.org/x/tools/internal/imports.
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package main
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import (
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"bufio"
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"bytes"
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"fmt"
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"go/format"
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"io"
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"io/ioutil"
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"log"
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"os"
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pkgpath "path"
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"path/filepath"
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"regexp"
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"runtime"
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"sort"
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"strings"
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)
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func mustOpen(name string) io.Reader {
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f, err := os.Open(name)
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if err != nil {
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log.Fatal(err)
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}
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return f
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}
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func api(base string) string {
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return filepath.Join(runtime.GOROOT(), "api", base)
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}
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var sym = regexp.MustCompile(`^pkg (\S+).*?, (?:var|func|type|const) ([A-Z]\w*)`)
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var unsafeSyms = map[string]bool{"Alignof": true, "ArbitraryType": true, "Offsetof": true, "Pointer": true, "Sizeof": true}
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func main() {
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var buf bytes.Buffer
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outf := func(format string, args ...interface{}) {
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fmt.Fprintf(&buf, format, args...)
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}
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outf("// Code generated by mkstdlib.go. DO NOT EDIT.\n\n")
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outf("package unimported\n")
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outf("func _() {\n")
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f := io.MultiReader(
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mustOpen(api("go1.txt")),
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mustOpen(api("go1.1.txt")),
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mustOpen(api("go1.2.txt")),
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mustOpen(api("go1.3.txt")),
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mustOpen(api("go1.4.txt")),
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mustOpen(api("go1.5.txt")),
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mustOpen(api("go1.6.txt")),
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mustOpen(api("go1.7.txt")),
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mustOpen(api("go1.8.txt")),
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mustOpen(api("go1.9.txt")),
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mustOpen(api("go1.10.txt")),
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mustOpen(api("go1.11.txt")),
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mustOpen(api("go1.12.txt")),
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mustOpen(api("go1.13.txt")),
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)
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sc := bufio.NewScanner(f)
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pkgs := map[string]bool{
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"unsafe": true,
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"syscall/js": true,
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}
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paths := []string{"unsafe", "syscall/js"}
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for sc.Scan() {
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l := sc.Text()
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if m := sym.FindStringSubmatch(l); m != nil {
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path, _ := m[1], m[2]
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if _, ok := pkgs[path]; !ok {
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pkgs[path] = true
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paths = append(paths, path)
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}
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}
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}
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if err := sc.Err(); err != nil {
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log.Fatal(err)
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}
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sort.Strings(paths)
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var markers []string
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for _, path := range paths {
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marker := strings.ReplaceAll(path, "/", "slash")
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markers = append(markers, marker)
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}
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outf(" //@unimported(\"\", %s)\n", strings.Join(markers, ", "))
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outf("}\n")
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outf("// Create markers for unimported std lib packages. Only for use by this test.\n")
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for i, path := range paths {
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name := pkgpath.Base(path)
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marker := markers[i]
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outf("/* %s *///@item(%s, \"%s\", \"\\\"%s\\\"\", \"package\")\n", name, marker, name, path)
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}
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fmtbuf, err := format.Source(buf.Bytes())
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if err != nil {
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log.Fatal(err)
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}
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err = ioutil.WriteFile("unimported.go", fmtbuf, 0666)
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if err != nil {
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log.Fatal(err)
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}
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}
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