How to install

Install using LuaRocks:

$ luarocks install luaflow

How to use

luaflow [OPTIONS] luafile

OPTIONS:
  -a, --ast             dump AST
  -d, --dot             generate call graph dot file (GraphViz format)
  -e, --exclude         exclude this list of comma separated functions
  -g, --graph           generate call graph file (png format)
  -m, --main            main/entry function
  -h, --help            show this help message

Get a call tree

$ luaflow luaflow_lib.lua

Get a call graph (requires GraphViz)

$ luaflow -d luaflow_lib.lua > a.dot
$ dot -Tpng -o a.png a.dot

A call graph generated by luaflow analyzing itself

Get call tree starting from a function (given function name)

$ luaflow -m process_set_enter luaflow_lib.lua

Exclude function from call tree

$ luaflow -e insert luaflow_lib.lua