| // Copyright 2014 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package language |
| |
| // BaseLanguages returns the list of all supported base languages. It generates |
| // the list by traversing the internal structures. |
| func BaseLanguages() []Language { |
| base := make([]Language, 0, NumLanguages) |
| for i := 0; i < langNoIndexOffset; i++ { |
| // We included "und" already for the value 0. |
| if i != nonCanonicalUnd { |
| base = append(base, Language(i)) |
| } |
| } |
| i := langNoIndexOffset |
| for _, v := range langNoIndex { |
| for k := 0; k < 8; k++ { |
| if v&1 == 1 { |
| base = append(base, Language(i)) |
| } |
| v >>= 1 |
| i++ |
| } |
| } |
| return base |
| } |