Created by: chenwhql

PR types: Function optimization

PR changes: Others

Describe:

The paddle C ++ error stack has always had the problem that the error info is too long and difficult to read. I have tried to solve this problem twice before:

• The first time, I made the C ++ error stack clearer by deleting almost useless information and useless entries, https://github.com/PaddlePaddle/Paddle/pull/19895.
• And the second time, I rewritten Place to reduce too much useless information due to the too long boost variable name introduced by Place, https://github.com/PaddlePaddle/Paddle/pull/21093.

However, the above methods cannot completely solve this problem.

Now in dygraph mode, the C ++ error stack is still very long and almost unreadable!

For example:

• code:

import numpy
import paddle.fluid as fluid

with fluid.dygraph.guard():
    x = numpy.random.random(size=(10, 2)).astype('float32')
    linear = fluid.dygraph.Linear(1, 10)
    data = fluid.dygraph.to_variable(x)
    res = linear(data)

• original C++ error stack example:

This is terrible!

So I simplified the C ++ error stack once again. Example as follow:

• new C++ error stack example:

This solution has three advantages:

1. the error information expression efficiency has been significantly improved!
2. no lost usefull information
3. if more complex variable types added again, we can easily add processing to it.

备注：这里没有使用std::string*直接在一个字符串上操作，报错过程中copy 字符串不是性能瓶颈，在这种情况下最好避免std::string*的使用，这里用指针会在CI并行跑单测的时候导致一部分单测意外挂掉