Florian Berger wrote:
Ok. What I want to control at this point are variable assignments (global and local) and function calls. With function calls I mean function's parameters and return values. So I want to have control over parameters before function is called and return values before they are returned.At least for global functions and variables, you could implement this in Lua itself: For your chunk of code to be executed, set a private environment (setfenv) with a metatable containing __index and __newindex functions. Inside these functions you could catch the assigment and retrieval of global variables. For the case there is a retrieval of a function (because a function call is to be made), you could return a proxy function (a closure) which checks the arguments if it gets called and call the real function after the checks.
You can't trace local variables with this approach.
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