The compiler layer also contains a representation of a single invocation of a compiler, including assembly references, compiler options, and source code files.
编译器层还包含了对编译器单独调用的展现，其中包括集成的引用、编译器选项以及源代码文件。
2
To make things more complicated, HotSpot comes with two compilers: the client compiler and the server compiler.
为了让事情变得更复杂，HotSpot 提供了两个编译器：客户机编译器和服务器编译器。
3
Don't want to use a special compiler such as AspectJ compiler (ajc).