Harlock

Harlock is a small language with a focus on binary data manipulation and data embedding in executables, mainly usable as a scripting language for binaries post-processing. It is based around the ideas discussed in the Writing An Interpreter In Go book by Thorsten Ball.

Documentation

To get started on how to use harlock for your builds or as a standalone tools, please refer to the harlock wiki!

Download

You can download the latest pre-built binaries for your architecture/os from the harlock release page.

If you have installed the go toolchain, you can directly install the interpeter using the following command:

go install github.com/Abathargh/harlock/cmd/harlock@latest

Changing the latest bit in the URL with the version you desire to download, if you do not want the latest one.

Build

Required: Go 1.18+

Builds are executed using the linker flags to strip the debug symbols from the binaries, to achieve smaller sized executables.

make build    # build in place
make install  # build and install in $GOPATH/bin

Usage

Run a script

harlock script.hlk

Start the REPL

harlock
Harlock v0.4.1 - amd64 on linux
>>> var hello = "Hello World!"
>>> print(hello)
Hello World!

Embed a script

You can embed a harlock script into an executable together with the harlock runtime:

harlock -embed script.hlk

License

Harlock is licensed under the terms of the MIT License.