This is a repository containing labs for BUAA compiler course. DO NOT USE THE CODE DIRECTLY!
The compiler is written in Java, implementing a recursive-descent frontend, a mid part with customized 3-address IR, and a backend for MIPS architecture(running on "marsc.jar").
At working directory, run the script ./tools/run.cmd. This will compile
the source program in testfile.txt and run the generated mips.txt through marsc.jar.
You can dis-rem comments in run.cmd to enable comparing running with unoptimized compiler.
The compiler configs is controlled by two CLI args: java -jar compiler.jar O P, indicating
enabling optimizing & runtime profiling info. Replace O or P with N will disable the
corresponding function.
A dot command line tool for graphviz is needed as well. After each run you may find the
control flow graph of the optimized program in ./target/cfg/.
All runnable tools lies within ./tools/, use at ease.