lua基础之debug

debug.debug()

enters interactive debugging

debug.getfenv()

returns the environment of an object

debug.gethook()

returns the current hook settings

debug.getinfo()

returns a table with information about a function

debug.getlocal()

returns name and value of a local variable

debug.getmetatable()

returns the metatable of the given object

debug.getregistry()

returns the registry table

debug.getupvalue()

returns the name and value of an upvalue

debug.setfenv()

sets the environment of an object

debug.sethook()

sets a debug hook function

debug.setlocal()

sets the value of the local variable

debug.setmetatable()

sets the metatable for an object

debug.setupvalue()

sets an upvalue for a function

debug.traceback()

returns a string with a traceback of the stack call