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| author | Ryo Nihei <nihei.dev@gmail.com> | 2021-11-25 23:11:50 +0900 |
|---|---|---|
| committer | Ryo Nihei <nihei.dev@gmail.com> | 2021-11-25 23:12:02 +0900 |
| commit | 10d0c5dfeb9749f4226f86d5ac915718c5bec5c9 (patch) | |
| tree | 2fd37aa5233f8195ff8d008d125b51b20f269333 /compiler/parser.go | |
| parent | Support Lowercase and Uppercase property (Meet RL1.2 of UTS #18 partially) (diff) | |
| download | tre-10d0c5dfeb9749f4226f86d5ac915718c5bec5c9.tar.gz tre-10d0c5dfeb9749f4226f86d5ac915718c5bec5c9.tar.xz | |
Make character properties available in an inverse expression (Make [^\p{...}] available)
Diffstat (limited to 'compiler/parser.go')
| -rw-r--r-- | compiler/parser.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/parser.go b/compiler/parser.go index d64b79c..5d1a38d 100644 --- a/compiler/parser.go +++ b/compiler/parser.go @@ -652,6 +652,10 @@ func genNormalCharAST(c rune) astNode { } func exclude(symbol, base astNode) astNode { + if alt, ok := symbol.(*altNode); ok { + return exclude(alt.right, exclude(alt.left, base)) + } + switch base.(type) { case *altNode: left, right := base.children() |