| Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame^] | 1 | // Copyright 2014 The Go Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style |
| 3 | // license that can be found in the LICENSE file. |
| 4 | |
| 5 | package language |
| 6 | |
| 7 | // BaseLanguages returns the list of all supported base languages. It generates |
| 8 | // the list by traversing the internal structures. |
| 9 | func BaseLanguages() []Language { |
| 10 | base := make([]Language, 0, NumLanguages) |
| 11 | for i := 0; i < langNoIndexOffset; i++ { |
| 12 | // We included "und" already for the value 0. |
| 13 | if i != nonCanonicalUnd { |
| 14 | base = append(base, Language(i)) |
| 15 | } |
| 16 | } |
| 17 | i := langNoIndexOffset |
| 18 | for _, v := range langNoIndex { |
| 19 | for k := 0; k < 8; k++ { |
| 20 | if v&1 == 1 { |
| 21 | base = append(base, Language(i)) |
| 22 | } |
| 23 | v >>= 1 |
| 24 | i++ |
| 25 | } |
| 26 | } |
| 27 | return base |
| 28 | } |