gbury / ocaml-memgraph Goto Github PK
View Code? Open in Web Editor NEWA small library to output memory graph for ocaml values
License: MIT License
A small library to output memory graph for ocaml values
License: MIT License
Hello,
In case you were not aware of it, caml-inspect seems to do almost the same as ocaml-memgraph. And by the way, I use it in a document for an OCaml course.
Do you have precise needs or ideas to implement ?
Normally Graphviz accepts unquoted keywords (such as SVG or X11 colours) but hex values must be quoted. Calling memgraph after initialising the config with unquoted hex values triggers a syntax error. The following is how I properly configure the colours:
let config =
Memgraph.Dot.config
~external_node_color:(Some "#bababa")
~block_node_color:(Some "#535955")
~root_node_color:(Some "#0a0a0a")
~outline_color:"\"#cccccc\""
~background_color:(Some "\"#252a2a\"")
~direction:`Horizontal
()
From a cursory look at the code, I suspect only the values parsed in styles_with_color
get properly quoted and the others parsed in print_list
don't.
Using memgraph with js_of_ocaml currently raises a few warnings because of the dependency on unix (for Dot.to_file
). It would be slightly cleaner to avoid depending on unix in the core library, and expose file-related helpers in a separate package.
Running ocaml-memgraph under js_of_ocaml means that the closure representation is different from native and bytecode.
For instance, trying to display the graph for (fun () () -> ())
will raise an assertion failure in mk_closinfo
.
One idea would be to read Sys.backend_type
to avoid reading into a closure block in the Other
case.
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