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Add tests of building toplevel that can load plugins
One test show successful plugin loading in a toplevel. The other test shows the error when you use Dynlink.loadfile (via dune-site.dynlink) in a toplevel. Also, handle moved load_file function. Prior to OCaml 4.13.0, the load_file function was in Topdirs. Starting with OCaml 4.13.0, the load_file function moved to Toploop. In order to find it open both these modules, suppressing the warning for unused open, and then reference load_file unqualified. Also add change log entry. Signed-off-by: Richard L Ford <[email protected]>
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Testsuite for (toplevel that loads plugins). This version | ||
uses dune-site.dynlink which uses Dynlink.loadfile. | ||
This is not allowed in top-levels, so it fails. | ||
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||
$ cat > dune-project <<EOF | ||
> (lang dune 3.7) | ||
> (using dune_site 0.1) | ||
> (name top_with_plugins) | ||
> (wrapped_executables false) | ||
> (map_workspace_root false) | ||
> | ||
> (package | ||
> (name top_with_plugins) | ||
> (sites (lib top_plugins))) | ||
> EOF | ||
|
||
$ cat > dune <<EOF | ||
> (executable | ||
> (public_name top_with_plugins) | ||
> (name top_with_plugins) | ||
> (modes byte) | ||
> (flags :standard -safe-string) | ||
> (modules sites top_with_plugins) | ||
> (link_flags (-linkall)) | ||
> (libraries compiler-libs.toplevel | ||
> top_with_plugins.register dune-site dune-site.plugins | ||
> dune-site.dynlink findlib.dynload)) | ||
> | ||
> (library | ||
> (public_name top_with_plugins.register) | ||
> (modes byte) | ||
> (name registration) | ||
> (modules registration)) | ||
> | ||
> (generate_sites_module | ||
> (module sites) | ||
> (plugins (top_with_plugins top_plugins))) | ||
> EOF | ||
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||
$ cat > top_with_plugins.ml <<EOF | ||
> let main () = | ||
> print_endline "\nMain app really starts..."; | ||
> (* load all the available plugins *) | ||
> Sites.Plugins.Top_plugins.load_all (); | ||
> print_endline "Main app after loading plugins..."; | ||
> (* Execute the code registered by the plugins *) | ||
> print_endline "Main app executing registered plugins..."; | ||
> Queue.iter (fun f -> f ()) Registration.todo; | ||
> print_endline "Main app after executing registered plugins..."; | ||
> exit (Topmain.main ()) | ||
> | ||
> let () = | ||
> main() | ||
> EOF | ||
|
||
$ cat > registration.ml <<EOF | ||
> let todo : (unit -> unit) Queue.t = Queue.create () | ||
> let register f = | ||
> print_endline "In register"; | ||
> Queue.add f todo; | ||
> print_endline "Done in register"; | ||
> EOF | ||
|
||
$ mkdir plugin1 | ||
$ cat > plugin1/dune-project <<EOF | ||
> (lang dune 3.7) | ||
> (using dune_site 0.1) | ||
> | ||
> (generate_opam_files true) | ||
> (wrapped_executables false) | ||
> (map_workspace_root false) | ||
> (package | ||
> (name top-plugin1)) | ||
> EOF | ||
|
||
$ cat > plugin1/dune <<EOF | ||
> (library | ||
> (public_name top-plugin1.plugin1_impl) | ||
> (modes byte) | ||
> (name plugin1_impl) | ||
> (modules plugin1_impl) | ||
> (libraries top_with_plugins.register)) | ||
> | ||
> (plugin | ||
> (name plugin1) | ||
> (libraries top-plugin1.plugin1_impl) | ||
> (site (top_with_plugins top_plugins))) | ||
> EOF | ||
|
||
$ cat > plugin1/plugin1_impl.ml <<EOF | ||
> let myfun () = | ||
> print_endline "Plugin1 is doing something..." | ||
> | ||
> let () = | ||
> print_endline "Registration of Plugin1"; | ||
> Registration.register myfun; | ||
> print_endline "Done with registration of Plugin1"; | ||
> EOF | ||
|
||
$ mkdir plugin2 | ||
$ cat > plugin2/dune-project <<EOF | ||
> (lang dune 3.7) | ||
> (using dune_site 0.1) | ||
> | ||
> (generate_opam_files true) | ||
> (wrapped_executables false) | ||
> (map_workspace_root false) | ||
> (package | ||
> (name top-plugin2)) | ||
> EOF | ||
|
||
$ cat > plugin2/dune <<EOF | ||
> (library | ||
> (public_name top-plugin2.plugin2_impl) | ||
> (modes byte) | ||
> (name plugin2_impl) | ||
> (modules plugin2_impl) | ||
> (libraries top_with_plugins.register)) | ||
> | ||
> (plugin | ||
> (name plugin2) | ||
> (libraries top-plugin2.plugin2_impl) | ||
> (site (top_with_plugins top_plugins))) | ||
> EOF | ||
|
||
$ cat > plugin2/plugin2_impl.ml <<EOF | ||
> let myfun () = | ||
> print_endline "Plugin2 is doing something..." | ||
> | ||
> let () = | ||
> print_endline "Registration of Plugin2"; | ||
> Registration.register myfun; | ||
> print_endline "Done with registration of Plugin2"; | ||
> EOF | ||
|
||
$ dune build --display short @all 2>&1 | dune_cmd sanitize | ||
ocamldep .top_with_plugins.eobjs/top_with_plugins.impl.d | ||
ocamlc .registration.objs/byte/registration.{cmi,cmo,cmt} | ||
ocamlc .top_with_plugins.eobjs/byte/dune_site__Dune_site_data.{cmo,cmt} | ||
ocamlc .top_with_plugins.eobjs/byte/dune_site_plugins__Dune_site_plugins_data.{cmo,cmt} | ||
ocamlc .top_with_plugins.eobjs/byte/findlib_initl.{cmi,cmo,cmt} | ||
ocamldep .top_with_plugins.eobjs/sites.impl.d | ||
ocamlc registration.cma | ||
ocamlc plugin1/.plugin1_impl.objs/byte/plugin1_impl.{cmi,cmo,cmt} | ||
ocamlc plugin2/.plugin2_impl.objs/byte/plugin2_impl.{cmi,cmo,cmt} | ||
ocamlc .top_with_plugins.eobjs/byte/sites.{cmi,cmo,cmt} | ||
ocamldep .top_with_plugins.eobjs/top_with_plugins.intf.d | ||
ocamlc plugin1/plugin1_impl.cma | ||
ocamlc plugin2/plugin2_impl.cma | ||
ocamlc .top_with_plugins.eobjs/byte/top_with_plugins.{cmi,cmti} | ||
ocamlc .top_with_plugins.eobjs/byte/top_with_plugins.{cmo,cmt} | ||
ocamlc top_with_plugins.bc | ||
ocamlc top_with_plugins.exe | ||
$ dune install --prefix _install --display short | ||
Installing _install/lib/top-plugin1/META | ||
Installing _install/lib/top-plugin1/dune-package | ||
Installing _install/lib/top-plugin1/plugin1_impl/plugin1_impl.cma | ||
Installing _install/lib/top-plugin1/plugin1_impl/plugin1_impl.cmi | ||
Installing _install/lib/top-plugin1/plugin1_impl/plugin1_impl.cmt | ||
Installing _install/lib/top-plugin1/plugin1_impl/plugin1_impl.ml | ||
Installing _install/lib/top_with_plugins/top_plugins/plugin1/META | ||
Installing _install/lib/top-plugin2/META | ||
Installing _install/lib/top-plugin2/dune-package | ||
Installing _install/lib/top-plugin2/plugin2_impl/plugin2_impl.cma | ||
Installing _install/lib/top-plugin2/plugin2_impl/plugin2_impl.cmi | ||
Installing _install/lib/top-plugin2/plugin2_impl/plugin2_impl.cmt | ||
Installing _install/lib/top-plugin2/plugin2_impl/plugin2_impl.ml | ||
Installing _install/lib/top_with_plugins/top_plugins/plugin2/META | ||
Installing _install/lib/top_with_plugins/META | ||
Installing _install/lib/top_with_plugins/dune-package | ||
Installing _install/lib/top_with_plugins/register/registration.cma | ||
Installing _install/lib/top_with_plugins/register/registration.cmi | ||
Installing _install/lib/top_with_plugins/register/registration.cmt | ||
Installing _install/lib/top_with_plugins/register/registration.ml | ||
Installing _install/bin/top_with_plugins | ||
$ export OCAMLPATH=$PWD/_install/lib | ||
$ ./_install/bin/top_with_plugins -no-version <<EOF | ||
> 2+2;; | ||
> #quit;; | ||
> EOF | ||
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||
Main app really starts... | ||
Fatal error: exception Invalid_argument("The dynlink.cma library cannot be used inside the OCaml toplevel") | ||
[2] | ||
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