kramer65於 2013年3月1日星期五UTC+8上午4時25分07秒寫道： > Hello, > > > > I'm using Python for a while now and I love it. There is just one thing I > cannot understand. There are compilers for languages like C and C++. why is > it impossible to create a compiler that can compile Python code to > machinecode? > > > > My reasoning is as follows: > > When GCC compiles a program written in C++, it simply takes that code and > decides what instructions that would mean for the computer's hardware. What > does the CPU need to do, what does the memory need to remember, etc. etc. If > you can create this machinecode from C++, then I would suspect that it should > also be possible to do this (without a C-step in between) for programs > written in Python. > > > > Where is my reasoning wrong here? Is that because Python is dynamically > typed? Does machinecode always need to know whether a variable is an int or a > float? And if so, can't you build a compiler which creates machinecode that > can handle both ints and floats in case of doubt? Or is it actually possible > to do, but so much work that nobody does it? > > > > I googled around, and I *think* it is because of the dynamic typing, but I > really don't understand why this would be an issue.. > > > > Any insights on this would be highly appreciated!
I think a smart object can perform some experiments in its lifetime in sensing and collecting data to improve its methods in the long run. This will require a dynamical language definitely. -- http://mail.python.org/mailman/listinfo/python-list
