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c-compiler

This is a mini C compiler that compiles a subset of C programming language.

Development

Docker used for development and testing:

  • make buildImage to build the Docker image for development and testing
  • make docker to launch the container
    • Inside the container, make main to build the compiler
    • make test to run tests

Actual source code is inside the /compiler directory. Test source code and sample source codes that can be compiled by this compiler are inside the /compiler/test directory.

Tests

Tests located in the /compiler/test directory

Run test

make test to run the /compiler/test.sh file to compile /compiler/test/main.c and run it.

Running time comparison

make bench to run the /compiler/test_bench.sh file.

Example output

/compiler/test/simple_loop.c:

Running test on simple_loop.c ...
----
gcc time: 
real    0m2.537s
user    0m2.530s
sys     0m0.003s
----
my-compiler time: 
real    0m6.495s
user    0m6.468s
sys     0m0.005s
----

Reference

  • "低レイヤを知りたい人のためのCコンパイラ作成入門", https://www.sigbus.info/compilerbook
  • and many other websites such as Stack Overflow that I referred to while making this.