1 files changed, 103 insertions, 0 deletions
diff --git a/vendor/golang.org/x/tools/imports/mkstdlib.go b/vendor/golang.org/x/tools/imports/mkstdlib.go
new file mode 100644
index 000000000..1e559e9f5
--- /dev/null
+++ b/vendor/golang.org/x/tools/imports/mkstdlib.go
@@ -0,0 +1,103 @@
+// +build ignore
+
+// mkstdlib generates the zstdlib.go file, containing the Go standard
+// library API symbols. It's baked into the binary to avoid scanning
+// GOPATH in the common case.
+package main
+
+import (
+	"bufio"
+	"bytes"
+	"fmt"
+	"go/format"
+	"io"
+	"io/ioutil"
+	"log"
+	"os"
+	"path"
+	"path/filepath"
+	"regexp"
+	"sort"
+	"strings"
+)
+
+func mustOpen(name string) io.Reader {
+	f, err := os.Open(name)
+	if err != nil {
+		log.Fatal(err)
+	}
+	return f
+}
+
+func api(base string) string {
+	return filepath.Join(os.Getenv("GOROOT"), "api", base)
+}
+
+var sym = regexp.MustCompile(`^pkg (\S+).*?, (?:var|func|type|const) ([A-Z]\w*)`)
+
+func main() {
+	var buf bytes.Buffer
+	outf := func(format string, args ...interface{}) {
+		fmt.Fprintf(&buf, format, args...)
+	}
+	outf("// AUTO-GENERATED BY mkstdlib.go\n\n")
+	outf("package imports\n")
+	outf("var stdlib = map[string]string{\n")
+	f := io.MultiReader(
+		mustOpen(api("go1.txt")),
+		mustOpen(api("go1.1.txt")),
+		mustOpen(api("go1.2.txt")),
+		mustOpen(api("go1.3.txt")),
+		mustOpen(api("go1.4.txt")),
+		mustOpen(api("go1.5.txt")),
+		mustOpen(api("go1.6.txt")),
+		mustOpen(api("go1.7.txt")),
+	)
+	sc := bufio.NewScanner(f)
+	fullImport := map[string]string{} // "zip.NewReader" => "archive/zip"
+	ambiguous := map[string]bool{}
+	var keys []string
+	for sc.Scan() {
+		l := sc.Text()
+		has := func(v string) bool { return strings.Contains(l, v) }
+		if has("struct, ") || has("interface, ") || has(", method (") {
+			continue
+		}
+		if m := sym.FindStringSubmatch(l); m != nil {
+			full := m[1]
+			key := path.Base(full) + "." + m[2]
+			if exist, ok := fullImport[key]; ok {
+				if exist != full {
+					ambiguous[key] = true
+				}
+			} else {
+				fullImport[key] = full
+				keys = append(keys, key)
+			}
+		}
+	}
+	if err := sc.Err(); err != nil {
+		log.Fatal(err)
+	}
+	sort.Strings(keys)
+	for _, key := range keys {
+		if ambiguous[key] {
+			outf("\t// %q is ambiguous\n", key)
+		} else {
+			outf("\t%q: %q,\n", key, fullImport[key])
+		}
+	}
+	outf("\n")
+	for _, sym := range [...]string{"Alignof", "ArbitraryType", "Offsetof", "Pointer", "Sizeof"} {
+		outf("\t%q: %q,\n", "unsafe."+sym, "unsafe")
+	}
+	outf("}\n")
+	fmtbuf, err := format.Source(buf.Bytes())
+	if err != nil {
+		log.Fatal(err)
+	}
+	err = ioutil.WriteFile("zstdlib.go", fmtbuf, 0666)
+	if err != nil {
+		log.Fatal(err)
+	}
+}