lezer-traceql

TraceQL lezer grammar based on https://github.com/grafana/tempo/blob/main/pkg/traceql/expr.y.

npm install

npm run build 

npm test

You can use the tree-viz tool in the tools folder to visualize the outcome of the parser for a given TraceQL query. Example:

Before using this tool, be sure you have already built the project, as described above.

To run the tool, you need to run a HTTP server first. For instance, you can do this by opening a terminal at the root folder and running:

npx http-server

This should start a HTTP server at http://127.0.0.1:8080. You can now fetch the tools/tree-viz.html page from the HTTP server: open your browser and visit http://127.0.0.1:8080/tools/tree-viz.html.