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tokenize_commands: fix crash

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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
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4
worldeditadditions/utils/parse/tokenise_commands.lua
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@ -36,13 +36,17 @@ local function tokenise(str)
-- Extract the character in question
local char = str:sub(nextpos, nextpos)
print("[TOKENISE] char", char, "depth", nested_depth)
if char == "}" then
if nested_depth > 0 then
-- Decrease the nested depth
nested_depth = nested_depth - 1
-- 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 substr = str:sub(block_start, nextpos - 1)
if #substr > 0 and nested_depth == 0 then table.insert(result, substr) end
end
elseif char == "{" then
-- Increase the nested depth, and store this position on the stack for later
nested_depth = nested_depth + 1