Intellij Idea Call Hierarchy to graphviz dot file

call-hierarchy-to-dot.awk

# awk  -f call-hierarchy-to-graph.awk call-stack.txt  |dot -Tpng -o call-stack.png   

BEGIN {
    print "digraph {"
    path[-1]="start"
}
{
    depth=(match($0, /[^ ]/)-1)/4;
    gsub(/^ +/,"")

    match($0, /[^)]*[)]/, funcWithArgs)
    match($0, /[^(]*/,funcOnly)

    this=funcWithArgs[0]
    #this=funcOnly[0]
    #this=$0
    from=path[depth-1]
    to=this
    lines["  \"" from "\"->\"" to "\""]++
    path[depth]=this
}
END {
    for (line in lines) {
        print line ";"
    }
    print "}"
}