lorenz/go-jsonnet

go-jsonnet

This an implementation of Jsonnet in pure Go. It is feature complete but is not as heavily exercised as the Jsonnet C++ implementation. Please try it out and give feedback.

This code is known to work on Go 1.8 and above. We recommend always using the newest stable release of Go.

Build instructions

export GOPATH=$HOME/go-workspace
mkdir -pv $GOPATH
go get github.com/fatih/color
go get github.com/google/go-jsonnet
cd $GOPATH/src/github.com/google/go-jsonnet
cd jsonnet
go build
./jsonnet /dev/stdin <<< '{x: 1, y: self.x} + {x: 10}'
{
   "x": 10,
   "y": 10
}

Running tests

./tests.sh  # Also runs `go test ./...`

Implementation Notes

We are generating some helper classes on types by using http://clipperhouse.github.io/gen/. Do the following to regenerate these if necessary:

go get github.com/clipperhouse/gen
go get github.com/clipperhouse/set
export PATH=$PATH:$GOPATH/bin  # If you haven't already
go generate

Generated Stdlib

To regenerate the standard library, do:

./reset_stdast_go.sh && go run cmd/dumpstdlibast.go