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Developer Notes

For development I suggest building third_party/clipper2c locally and cloning the whole repository:

git clone --recursive git@github.com:epit3d/goclipper2.git
cd goclipper2

For windows use MinGW compiler to have comparable results as usual GCC from UNIX systems.

Building clipper2c:

mkdir third_party/clipper2c/build
cd third_party/clipper2c/build
cmake ..
sudo make install

For windows you might receive errors and should replace cmake .. with cmake -G "Unix Makefiles" ..

You will find built files in /usr/local/lib or C:\Program Files\clipper2c. In either way you have to add this path to LD_LIBRARY_PATH or PATH environment variables.

Deployment:

If you want to use this goclipper2 with any of your modules, you have to satisfy presence of lib directory with prebuilt binaries (done only for x64). Otherwise your application might build, but crash without linked libraries.

Generator notes:

This project would not be possible without bindings of geoffder repository

I decided to use C AST parser for python to generate bindings for go because was too lazy to manually type many functions.

Functions have similar names and I split them into categories:

  • constructors
  • methods
  • delete methods
  • destruct methods

code in goclipper2/generator.py is organized to match C functions in functions is_<category> and has custom generator for each of them.