79 lines
1.8 KiB
Raku
79 lines
1.8 KiB
Raku
Test virtual libraries where the virtual lib is public and the concrete impl is
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private
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$ mkdir -p vlib js_impl test
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$ cat > dune-project <<EOF
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> (lang dune 3.13)
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> (using melange 0.1)
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> (package (name the_lib))
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> EOF
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$ cat > vlib/dune <<EOF
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> (library
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> (name the_lib)
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> (modes melange native)
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> (public_name the_lib)
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> (virtual_modules virt))
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> EOF
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$ cat > vlib/the_lib.mli <<EOF
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> module Time : sig
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> val gettimeofday : unit -> float
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> end
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> EOF
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$ cat > vlib/the_lib.ml <<EOF
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> module Time = struct
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> let gettimeofday () = Virt.gettimeofday ()
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> end
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> EOF
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$ cat > vlib/virt.mli <<EOF
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> val gettimeofday : unit -> float
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> EOF
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$ cat > js_impl/dune <<EOF
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> (library
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> (name timeJs)
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> (implements the_lib)
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> (modes melange)
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> (preprocess (pps melange.ppx)))
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> EOF
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$ cat > js_impl/virt.ml <<EOF
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> let gettimeofday : unit -> float = fun () -> 42.
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> EOF
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$ cat > test/dune <<EOF
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> (melange.emit
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> (target output)
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> (libraries the_lib timeJs)
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> (emit_stdlib false))
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> EOF
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$ dune build @melange
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File "js_impl/dune", lines 1-5, characters 0-95:
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1 | (library
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2 | (name timeJs)
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3 | (implements the_lib)
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4 | (modes melange)
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5 | (preprocess (pps melange.ppx)))
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Error: Dune doesn't currently support building private implementations of
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virtual public libaries for `(modes melange)`
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Hint: Add a `public_name` to the library `timeJs'.
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[1]
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Making timeJs a public library makes it work
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$ cat > dune-project <<EOF
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> (lang dune 3.13)
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> (using melange 0.1)
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> (package (name the_lib))
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> (package (name concrete_lib))
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> EOF
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$ cat > js_impl/dune <<EOF
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> (library
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> (name timeJs)
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> (public_name concrete_lib)
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> (implements the_lib)
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> (modes melange)
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> (preprocess (pps melange.ppx)))
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> EOF
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$ dune build @melange
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