Move initialization of thread and system classes before the main function starts

polyglot-compiler / JLang

JLang: Ahead-of-time compilation of Java programs to LLVM

http://polyglot-compiler.github.io/JLang/

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Move initialization of thread and system classes before the main function starts #49

Closed guoyiteng closed 4 years ago

guoyiteng commented 4 years ago

I plan to add those global locks later in the PR adding the multithread support. If we assume the program is single-threaded, this PR should be safe to use. A roadmap I had in mind is to implement synchronized in the frontend first and then add multithreading support (including global locks, active threads data structure).

dz333 commented 4 years ago

Ok cool that sounds perfectly reasonable.

andrewcmyers commented 4 years ago

If you don't have multithreading, how will you know if synchronized is implemented correctly?