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