forked from redo/BlockLua
48 lines
1.4 KiB
Lua
48 lines
1.4 KiB
Lua
-- Set up the Lua environment
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-- Point old require to modules/lua in game directory
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package.path = 'modules\\lualib\\?.lua;modules\\lualib\\?\\init.lua;'
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package.cpath = 'modules\\lualib\\?.dll;'
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-- Set up table of unload/cleanup callbacks
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_bllua_on_unload = {}
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-- Utility for getting the current filename
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function debug.getfilename(level)
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if type(level) == 'number' then level = level + 1 end
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local info = debug.getinfo(level)
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if not info then return nil end
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local filename = info.source:match('^%-%-%[%[([^%]]+)%]%]')
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return filename
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end
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-- Called when pcall fails on a ts->lua call, used to print detailed error info
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function _bllua_on_error(err)
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-- Convert error to string if it's not already
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err = tostring(err)
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err = err:match(': (.+)$') or err
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local tracelines = { err }
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local level = 2
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while true do
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local info = debug.getinfo(level)
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if not info then break end
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local filename = debug.getfilename(level) or info.short_src
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local funcname = info.name or '<unknown>'
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if funcname == 'dofile' then break end
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table.insert(tracelines, string.format('%s:%s in function \'%s\'',
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filename,
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info.currentline == -1 and '' or info.currentline .. ':',
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funcname
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))
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level = level + 1
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end
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return table.concat(tracelines, '\n')
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end
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-- overridden in lua-env-safe.lua (executed if not BLLUA_UNSAFE)
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_bllua_io_open = io.open
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_bllua_requiresecure = require
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print = _bllua_ts.echo
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print(' Executed bllua-env.lua')
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