From b109b1abce8c86f80aea06948b32e35a70daa0b0 Mon Sep 17 00:00:00 2001 From: Zoltán Nyikos Date: Sat, 6 Jul 2024 11:40:08 +0200 Subject: fix(glob): avoid `subcapture nesting too deep` error (#29520) Use Cmt to evaluate Cond and Elem during match to avoid building the nested capture structure later. --- runtime/lua/vim/glob.lua | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) (limited to 'runtime/lua/vim') diff --git a/runtime/lua/vim/glob.lua b/runtime/lua/vim/glob.lua index 6de2bc3e94..22073b15c8 100644 --- a/runtime/lua/vim/glob.lua +++ b/runtime/lua/vim/glob.lua @@ -1,6 +1,6 @@ local lpeg = vim.lpeg local P, S, V, R, B = lpeg.P, lpeg.S, lpeg.V, lpeg.R, lpeg.B -local C, Cc, Ct, Cf = lpeg.C, lpeg.Cc, lpeg.Ct, lpeg.Cf +local C, Cc, Ct, Cf, Cmt = lpeg.C, lpeg.Cc, lpeg.Ct, lpeg.Cf, lpeg.Cmt local M = {} @@ -47,13 +47,22 @@ function M.to_lpeg(pattern) return (-after * P(1)) ^ 0 * after end + -- luacheck: push ignore s + local function cut(s, idx, match) + return idx, match + end + -- luacheck: pop + local p = P({ 'Pattern', Pattern = V('Elem') ^ -1 * V('End'), - Elem = Cf( - (V('DStar') + V('Star') + V('Ques') + V('Class') + V('CondList') + V('Literal')) - * (V('Elem') + V('End')), - mul + Elem = Cmt( + Cf( + (V('DStar') + V('Star') + V('Ques') + V('Class') + V('CondList') + V('Literal')) + * (V('Elem') + V('End')), + mul + ), + cut ), DStar = (B(pathsep) + -B(P(1))) * P('**') @@ -72,7 +81,7 @@ function M.to_lpeg(pattern) -- pattern" which in all other cases is the entire succeeding part of the pattern, but at the end of a {} -- condition means "everything after the {}" where several other options separated by ',' may -- exist in between that should not be matched by '*'. - Cond = Cf((V('Ques') + V('Class') + V('Literal') - S(',}')) ^ 1, mul) + Cc(P(0)), + Cond = Cmt(Cf((V('Ques') + V('Class') + V('Literal') - S(',}')) ^ 1, mul), cut) + Cc(P(0)), Literal = P(1) / P, End = P(-1) * Cc(P(-1)), }) -- cgit