diff options
author | NeonXP <i@neonxp.dev> | 2022-12-27 02:37:02 +0300 |
---|---|---|
committer | NeonXP <i@neonxp.dev> | 2022-12-27 02:40:03 +0300 |
commit | 76a7f461ebbde70ea0e3d4f9b79c08139acaee7c (patch) | |
tree | 5e6dcb05f00be5109b3465ef16a6e9169a27497e /internal/lexer/statefunc.go | |
parent | 6f1d1df79f161cfc695f74d271d689ba72c44d09 (diff) |
Completely rewritedv0.1.0
Diffstat (limited to 'internal/lexer/statefunc.go')
-rw-r--r-- | internal/lexer/statefunc.go | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/internal/lexer/statefunc.go b/internal/lexer/statefunc.go new file mode 100644 index 0000000..8d0e42a --- /dev/null +++ b/internal/lexer/statefunc.go @@ -0,0 +1,17 @@ +package lexer + +type stateFunc func(*Lexer) stateFunc + +type stateStack []stateFunc + +func (ss *stateStack) Push(s stateFunc) { + *ss = append(*ss, s) +} + +func (ss *stateStack) Pop() (s stateFunc) { + if len(*ss) == 0 { + return nil + } + *ss, s = (*ss)[:len(*ss)-1], (*ss)[len(*ss)-1] + return s +} |