sbrl-github/Minetest-WorldEditAdditions
1
0
Fork 0
mirror of https://github.com/sbrl/Minetest-WorldEditAdditions.git synced 2024-11-26 00:53:00 +00:00
Code Issues Releases Wiki Activity

tokenize_commands: fix crash

Browse source
This commit is contained in:
Starbeamrainbowlabs 2021-12-31 13:16:09 +00:00
parent c93f692f9d
commit d6cd0cdb59
Signed by: sbrl
GPG key ID: 1BE5172E637709C2
1 changed files with 10 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
worldeditadditions/utils/parse/tokenise_commands.lua
View file

@ -36,13 +36,17 @@ local function tokenise(str)
-- Extract the character in question -- Extract the character in question
local char = str:sub(nextpos, nextpos) local char = str:sub(nextpos, nextpos)
print("[TOKENISE] char", char, "depth", nested_depth)
if char == "}" then if char == "}" then
if nested_depth > 0 then
-- Decrease the nested depth -- Decrease the nested depth
nested_depth = nested_depth - 1 nested_depth = nested_depth - 1
-- Pop the start of this block off the stack and find this block's contents -- Pop the start of this block off the stack and find this block's contents
local block_start = table.remove(nested_stack, #nested_stack) local block_start = table.remove(nested_stack, #nested_stack)
local substr = str:sub(block_start, nextpos - 1) local substr = str:sub(block_start, nextpos - 1)
if #substr > 0 and nested_depth == 0 then table.insert(result, substr) end if #substr > 0 and nested_depth == 0 then table.insert(result, substr) end
end
elseif char == "{" then elseif char == "{" then
-- Increase the nested depth, and store this position on the stack for later -- Increase the nested depth, and store this position on the stack for later
nested_depth = nested_depth + 1 nested_depth = nested_depth + 1