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Diffstat (limited to 'vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/types_generate.go')
-rw-r--r--vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/types_generate.go271
1 files changed, 0 insertions, 271 deletions
diff --git a/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/types_generate.go b/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/types_generate.go
deleted file mode 100644
index dd1310942..000000000
--- a/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/types_generate.go
+++ /dev/null
@@ -1,271 +0,0 @@
-//+build ignore
-
-// types_generate.go is meant to run with go generate. It will use
-// go/{importer,types} to track down all the RR struct types. Then for each type
-// it will generate conversion tables (TypeToRR and TypeToString) and banal
-// methods (len, Header, copy) based on the struct tags. The generated source is
-// written to ztypes.go, and is meant to be checked into git.
-package main
-
-import (
- "bytes"
- "fmt"
- "go/format"
- "go/importer"
- "go/types"
- "log"
- "os"
- "strings"
- "text/template"
-)
-
-var skipLen = map[string]struct{}{
- "NSEC": {},
- "NSEC3": {},
- "OPT": {},
-}
-
-var packageHdr = `
-// *** DO NOT MODIFY ***
-// AUTOGENERATED BY go generate from type_generate.go
-
-package dns
-
-import (
- "encoding/base64"
- "net"
-)
-
-`
-
-var TypeToRR = template.Must(template.New("TypeToRR").Parse(`
-// TypeToRR is a map of constructors for each RR type.
-var TypeToRR = map[uint16]func() RR{
-{{range .}}{{if ne . "RFC3597"}} Type{{.}}: func() RR { return new({{.}}) },
-{{end}}{{end}} }
-
-`))
-
-var typeToString = template.Must(template.New("typeToString").Parse(`
-// TypeToString is a map of strings for each RR type.
-var TypeToString = map[uint16]string{
-{{range .}}{{if ne . "NSAPPTR"}} Type{{.}}: "{{.}}",
-{{end}}{{end}} TypeNSAPPTR: "NSAP-PTR",
-}
-
-`))
-
-var headerFunc = template.Must(template.New("headerFunc").Parse(`
-// Header() functions
-{{range .}} func (rr *{{.}}) Header() *RR_Header { return &rr.Hdr }
-{{end}}
-
-`))
-
-// getTypeStruct will take a type and the package scope, and return the
-// (innermost) struct if the type is considered a RR type (currently defined as
-// those structs beginning with a RR_Header, could be redefined as implementing
-// the RR interface). The bool return value indicates if embedded structs were
-// resolved.
-func getTypeStruct(t types.Type, scope *types.Scope) (*types.Struct, bool) {
- st, ok := t.Underlying().(*types.Struct)
- if !ok {
- return nil, false
- }
- if st.Field(0).Type() == scope.Lookup("RR_Header").Type() {
- return st, false
- }
- if st.Field(0).Anonymous() {
- st, _ := getTypeStruct(st.Field(0).Type(), scope)
- return st, true
- }
- return nil, false
-}
-
-func main() {
- // Import and type-check the package
- pkg, err := importer.Default().Import("github.com/miekg/dns")
- fatalIfErr(err)
- scope := pkg.Scope()
-
- // Collect constants like TypeX
- var numberedTypes []string
- for _, name := range scope.Names() {
- o := scope.Lookup(name)
- if o == nil || !o.Exported() {
- continue
- }
- b, ok := o.Type().(*types.Basic)
- if !ok || b.Kind() != types.Uint16 {
- continue
- }
- if !strings.HasPrefix(o.Name(), "Type") {
- continue
- }
- name := strings.TrimPrefix(o.Name(), "Type")
- if name == "PrivateRR" {
- continue
- }
- numberedTypes = append(numberedTypes, name)
- }
-
- // Collect actual types (*X)
- var namedTypes []string
- for _, name := range scope.Names() {
- o := scope.Lookup(name)
- if o == nil || !o.Exported() {
- continue
- }
- if st, _ := getTypeStruct(o.Type(), scope); st == nil {
- continue
- }
- if name == "PrivateRR" {
- continue
- }
-
- // Check if corresponding TypeX exists
- if scope.Lookup("Type"+o.Name()) == nil && o.Name() != "RFC3597" {
- log.Fatalf("Constant Type%s does not exist.", o.Name())
- }
-
- namedTypes = append(namedTypes, o.Name())
- }
-
- b := &bytes.Buffer{}
- b.WriteString(packageHdr)
-
- // Generate TypeToRR
- fatalIfErr(TypeToRR.Execute(b, namedTypes))
-
- // Generate typeToString
- fatalIfErr(typeToString.Execute(b, numberedTypes))
-
- // Generate headerFunc
- fatalIfErr(headerFunc.Execute(b, namedTypes))
-
- // Generate len()
- fmt.Fprint(b, "// len() functions\n")
- for _, name := range namedTypes {
- if _, ok := skipLen[name]; ok {
- continue
- }
- o := scope.Lookup(name)
- st, isEmbedded := getTypeStruct(o.Type(), scope)
- if isEmbedded {
- continue
- }
- fmt.Fprintf(b, "func (rr *%s) len() int {\n", name)
- fmt.Fprintf(b, "l := rr.Hdr.len()\n")
- for i := 1; i < st.NumFields(); i++ {
- o := func(s string) { fmt.Fprintf(b, s, st.Field(i).Name()) }
-
- if _, ok := st.Field(i).Type().(*types.Slice); ok {
- switch st.Tag(i) {
- case `dns:"-"`:
- // ignored
- case `dns:"cdomain-name"`, `dns:"domain-name"`, `dns:"txt"`:
- o("for _, x := range rr.%s { l += len(x) + 1 }\n")
- default:
- log.Fatalln(name, st.Field(i).Name(), st.Tag(i))
- }
- continue
- }
-
- switch {
- case st.Tag(i) == `dns:"-"`:
- // ignored
- case st.Tag(i) == `dns:"cdomain-name"`, st.Tag(i) == `dns:"domain-name"`:
- o("l += len(rr.%s) + 1\n")
- case st.Tag(i) == `dns:"octet"`:
- o("l += len(rr.%s)\n")
- case strings.HasPrefix(st.Tag(i), `dns:"size-base64`):
- fallthrough
- case st.Tag(i) == `dns:"base64"`:
- o("l += base64.StdEncoding.DecodedLen(len(rr.%s))\n")
- case strings.HasPrefix(st.Tag(i), `dns:"size-hex`):
- fallthrough
- case st.Tag(i) == `dns:"hex"`:
- o("l += len(rr.%s)/2 + 1\n")
- case st.Tag(i) == `dns:"a"`:
- o("l += net.IPv4len // %s\n")
- case st.Tag(i) == `dns:"aaaa"`:
- o("l += net.IPv6len // %s\n")
- case st.Tag(i) == `dns:"txt"`:
- o("for _, t := range rr.%s { l += len(t) + 1 }\n")
- case st.Tag(i) == `dns:"uint48"`:
- o("l += 6 // %s\n")
- case st.Tag(i) == "":
- switch st.Field(i).Type().(*types.Basic).Kind() {
- case types.Uint8:
- o("l++ // %s\n")
- case types.Uint16:
- o("l += 2 // %s\n")
- case types.Uint32:
- o("l += 4 // %s\n")
- case types.Uint64:
- o("l += 8 // %s\n")
- case types.String:
- o("l += len(rr.%s) + 1\n")
- default:
- log.Fatalln(name, st.Field(i).Name())
- }
- default:
- log.Fatalln(name, st.Field(i).Name(), st.Tag(i))
- }
- }
- fmt.Fprintf(b, "return l }\n")
- }
-
- // Generate copy()
- fmt.Fprint(b, "// copy() functions\n")
- for _, name := range namedTypes {
- o := scope.Lookup(name)
- st, isEmbedded := getTypeStruct(o.Type(), scope)
- if isEmbedded {
- continue
- }
- fmt.Fprintf(b, "func (rr *%s) copy() RR {\n", name)
- fields := []string{"*rr.Hdr.copyHeader()"}
- for i := 1; i < st.NumFields(); i++ {
- f := st.Field(i).Name()
- if sl, ok := st.Field(i).Type().(*types.Slice); ok {
- t := sl.Underlying().String()
- t = strings.TrimPrefix(t, "[]")
- if strings.Contains(t, ".") {
- splits := strings.Split(t, ".")
- t = splits[len(splits)-1]
- }
- fmt.Fprintf(b, "%s := make([]%s, len(rr.%s)); copy(%s, rr.%s)\n",
- f, t, f, f, f)
- fields = append(fields, f)
- continue
- }
- if st.Field(i).Type().String() == "net.IP" {
- fields = append(fields, "copyIP(rr."+f+")")
- continue
- }
- fields = append(fields, "rr."+f)
- }
- fmt.Fprintf(b, "return &%s{%s}\n", name, strings.Join(fields, ","))
- fmt.Fprintf(b, "}\n")
- }
-
- // gofmt
- res, err := format.Source(b.Bytes())
- if err != nil {
- b.WriteTo(os.Stderr)
- log.Fatal(err)
- }
-
- // write result
- f, err := os.Create("ztypes.go")
- fatalIfErr(err)
- defer f.Close()
- f.Write(res)
-}
-
-func fatalIfErr(err error) {
- if err != nil {
- log.Fatal(err)
- }
-}