Remove the presence of global *e

[splasky]

After the newer ast support. The *e can be change to local variable.

[jserv]

AST support was merged, and how can we proceed this task?

[splasky]

Mmm. Acutually the newer IR dumper was finished.But I want it can dump the IR with source code line by line.

[jserv]

Let's revise the subject of this issue.