Homebrew is required for installating JAMScript:
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
Ensure you have the latest Node.js (> 8.0.0) and npm (> 5.0.0) installed on your system. We recommend using Homebrew for installing the latest version of Node:
brew install node
Fixing Permission Issues
If the NPM global install directory is not writable the install will fail with an EACCES error. NPM can be configured to use a folder inside of your home folder for global installs as follows:
mkdir ~/.npm-global npm config set prefix '~/.npm-global'
You need to include the location of the binary files in your path to use the JAMScript compiler.
Insert the following line in your
You need to reload the
~/.profile using the following command afterwards.
The JAMScript source is in a single repository.
The tools and samples are inside the main repository under the
tests/ folders, respectively.
To get the full source, run the following command from the folder where you want JAMScript downloaded.
git clone https://github.com/citelab/JAMScript
This should create a JAMScript folder. Go into that folder and execute the following command to do a local install. If you are going to study JAMScript, this is the best way to install it. You can change the source and modify various components of the compiler and language runtime.
npm run link
After successful installation, you should see the JAMScript compiler in your path: run
which jamc to see it.
tests/ folder has many example files. You can compile them and run them.
The current JAMScript runtime needs many file handlers to function. You need to set a high limit for the number of allowed file handles before running a JAMScript executable.
ulimit -n 3000
Some Common Installation Issues and Fixes
If you have problems installing
libcbor, you can install it from source as follows.
git clone https://github.com/PJK/libcbor cmake -DCMAKE_BUILD_TYPE=Release -DCBOR_CUSTOM_ALLOC=ON libcbor make make install