jon.recoil.org
this repo has no description
Add ppx_deriving.runtime support to toplevel
- Add ppx_deriving.runtime to _opam packages via jtw opam command
- Update PPX tests to use #require "ppx_deriving.runtime" before derivers
- Tests now verify actual ppx_deriving functionality:
- [@@deriving show] generates working show_*/pp_* functions
- [@@deriving eq] generates working equal_* functions
- Combined derivers work together
- Module support with derivers
- Update all expected files for new ppx_deriving findlib entries
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
+1
-1
test/node/dune
+1
-1
test/node/dune
+39
test/node/node_directive_test.expected
+39
test/node/node_directive_test.expected
···
5
5
Parsed uri: lib/sexplib0/META
6
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Reading library: sexplib0
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7
Number of children: 0
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+
Parsed uri: lib/ppx_deriving/META
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+
Reading library: ppx_deriving
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Number of children: 12
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Found child: api
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Reading library: ppx_deriving.api
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Number of children: 0
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Found child: create
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Reading library: ppx_deriving.create
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Number of children: 0
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Found child: enum
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Reading library: ppx_deriving.enum
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Number of children: 0
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Found child: eq
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Reading library: ppx_deriving.eq
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Number of children: 0
23
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Found child: fold
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Reading library: ppx_deriving.fold
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+
Number of children: 0
26
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Found child: iter
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Reading library: ppx_deriving.iter
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Number of children: 0
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Found child: make
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Reading library: ppx_deriving.make
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Number of children: 0
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Found child: map
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Reading library: ppx_deriving.map
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Number of children: 0
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Found child: ord
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Reading library: ppx_deriving.ord
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Number of children: 0
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Found child: runtime
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Reading library: ppx_deriving.runtime
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Number of children: 0
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Found child: show
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Reading library: ppx_deriving.show
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Number of children: 0
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Found child: std
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Reading library: ppx_deriving.std
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+
Number of children: 0
8
47
Parsed uri: lib/ocaml_intrinsics_kernel/META
9
48
Reading library: ocaml_intrinsics_kernel
10
49
Number of children: 0
+39
test/node/node_env_test.expected
+39
test/node/node_env_test.expected
···
5
5
Parsed uri: lib/sexplib0/META
6
6
Reading library: sexplib0
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7
Number of children: 0
8
+
Parsed uri: lib/ppx_deriving/META
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Reading library: ppx_deriving
10
+
Number of children: 12
11
+
Found child: api
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Reading library: ppx_deriving.api
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+
Number of children: 0
14
+
Found child: create
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+
Reading library: ppx_deriving.create
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Number of children: 0
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Found child: enum
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Reading library: ppx_deriving.enum
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Number of children: 0
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Found child: eq
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Reading library: ppx_deriving.eq
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Number of children: 0
23
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Found child: fold
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Reading library: ppx_deriving.fold
25
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Number of children: 0
26
+
Found child: iter
27
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Reading library: ppx_deriving.iter
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Number of children: 0
29
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Found child: make
30
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Reading library: ppx_deriving.make
31
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Number of children: 0
32
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Found child: map
33
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Reading library: ppx_deriving.map
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Number of children: 0
35
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Found child: ord
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Reading library: ppx_deriving.ord
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Number of children: 0
38
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Found child: runtime
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Reading library: ppx_deriving.runtime
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Number of children: 0
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Found child: show
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Reading library: ppx_deriving.show
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Number of children: 0
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Found child: std
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Reading library: ppx_deriving.std
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Number of children: 0
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Parsed uri: lib/ocaml_intrinsics_kernel/META
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Reading library: ocaml_intrinsics_kernel
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Number of children: 0
+39
test/node/node_mime_test.expected
+39
test/node/node_mime_test.expected
···
5
5
Parsed uri: lib/sexplib0/META
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Reading library: sexplib0
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Number of children: 0
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+
Parsed uri: lib/ppx_deriving/META
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Reading library: ppx_deriving
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Number of children: 12
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Found child: api
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Reading library: ppx_deriving.api
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Number of children: 0
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Found child: create
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Reading library: ppx_deriving.create
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Number of children: 0
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Found child: enum
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Reading library: ppx_deriving.enum
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Number of children: 0
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Found child: eq
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Reading library: ppx_deriving.eq
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Number of children: 0
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Found child: fold
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Reading library: ppx_deriving.fold
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Number of children: 0
26
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Found child: iter
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Reading library: ppx_deriving.iter
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Number of children: 0
29
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Found child: make
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Reading library: ppx_deriving.make
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Number of children: 0
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Found child: map
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Reading library: ppx_deriving.map
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Number of children: 0
35
+
Found child: ord
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Reading library: ppx_deriving.ord
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Number of children: 0
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Found child: runtime
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Reading library: ppx_deriving.runtime
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Number of children: 0
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Found child: show
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Reading library: ppx_deriving.show
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Number of children: 0
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Found child: std
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Reading library: ppx_deriving.std
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Number of children: 0
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Parsed uri: lib/ocaml_intrinsics_kernel/META
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Reading library: ocaml_intrinsics_kernel
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Number of children: 0
+85
-33
test/node/node_ppx_test.expected
+85
-33
test/node/node_ppx_test.expected
···
5
5
Parsed uri: lib/sexplib0/META
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Reading library: sexplib0
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7
Number of children: 0
8
+
Parsed uri: lib/ppx_deriving/META
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+
Reading library: ppx_deriving
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+
Number of children: 12
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Found child: api
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Reading library: ppx_deriving.api
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Number of children: 0
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+
Found child: create
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Reading library: ppx_deriving.create
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Number of children: 0
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Found child: enum
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Reading library: ppx_deriving.enum
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Number of children: 0
20
+
Found child: eq
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Reading library: ppx_deriving.eq
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+
Number of children: 0
23
+
Found child: fold
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+
Reading library: ppx_deriving.fold
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+
Number of children: 0
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+
Found child: iter
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+
Reading library: ppx_deriving.iter
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+
Number of children: 0
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+
Found child: make
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+
Reading library: ppx_deriving.make
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+
Number of children: 0
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+
Found child: map
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+
Reading library: ppx_deriving.map
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+
Number of children: 0
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+
Found child: ord
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+
Reading library: ppx_deriving.ord
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+
Number of children: 0
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+
Found child: runtime
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+
Reading library: ppx_deriving.runtime
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+
Number of children: 0
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+
Found child: show
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+
Reading library: ppx_deriving.show
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+
Number of children: 0
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+
Found child: std
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+
Reading library: ppx_deriving.std
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+
Number of children: 0
8
47
Parsed uri: lib/ocaml_intrinsics_kernel/META
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Reading library: ocaml_intrinsics_kernel
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49
Number of children: 0
···
35
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error while evaluating #disable "shortvar";;
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node_ppx_test.js: [INFO] Setup complete
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node_ppx_test.js: [INFO] setup() finished for env default
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-
--- Section 1: ppx_deriving Transformation ---
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-
File "_none_", line 1:
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Error: Unbound module Ppx_deriving_runtime
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-
[PASS] deriving_show_type: type defined with [@@deriving show]
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-
[PASS] deriving_show_no_pp: pp_color not available (runtime missing)
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/home/node/.opam/default/lib/ppx_deriving/runtime: added to search path
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Loading ppx_deriving.runtime: OK
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-
File "_none_", line 1:
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-
Error: Unbound module Ppx_deriving_runtime
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-
[PASS] deriving_eq_type: type defined with [@@deriving eq]
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--- Section 1: ppx_deriving.show ---
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[PASS] show_type_defined: type color defined
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[PASS] show_pp_generated: pp_color generated
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[PASS] show_fn_generated: show_color generated
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[PASS] show_fn_works: # show_color Red;;
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+
- : Ppx_deriving_runtime.string = "Red"
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[PASS] show_record_type: point type defined
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[PASS] show_record_pp: pp_point generated
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[PASS] show_record_works: # show_point { x = 10; y = 20 };;
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- : Ppx_deriving_runtime
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90
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-
--- Section 2: Unknown Deriver Error ---
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+
--- Section 2: ppx_deriving.eq ---
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[PASS] eq_type_defined: status type defined
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+
[PASS] eq_fn_generated: equal_status generated
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[PASS] eq_same_true: # equal_status Active Active;;
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- : Ppx_deriving_runtime.bool = true
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+
[PASS] eq_diff_false: # equal_status Active Inactive;;
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- : Ppx_deriving_runtime.bool = false
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98
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-
Line 1, characters 29-40:
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-
Error: Cannot locate deriver nonexistent
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-
[PASS] unknown_deriver_error: # type foo = A | B [@@deriving nonexistent];;
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--- Section 3: Combined Derivers ---
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[PASS] combined_type: expr type defined
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[PASS] combined_pp: pp_expr generated
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[PASS] combined_eq: equal_expr generated
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[PASS] combined_value: # let e1 = Add (Num 1, Num 2);;
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val e1 : expr = Add (Num 1, Num 2)
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[PASS] combined_show_works: # show_expr e1;;
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- : Ppx_deriving_runtime.string = "(Add ((Num 1), (Num 2)))"
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[PASS] combined_eq_self: # equal_expr e1 e1;;
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+
- : Ppx_deriving_runtime.bool = true
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[PASS] combined_eq_diff: # equal_expr e1 (Num 1);;
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- : Ppx_deriving_runtime.bool = false
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-
--- Section 3: Basic Code Through PPX Pipeline ---
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--- Section 4: Basic Code Still Works ---
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[PASS] basic_arithmetic: # let x = 1 + 2;;
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val x : int = 3
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[PASS] plain_record: # type point = { x: int; y: int };;
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-
type point = { x : int; y : int; }
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-
[PASS] record_value: # let p = { x = 10; y = 20 };;
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val p : point = {x = 10; y = 20}
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[PASS] recursive_fn: # let rec fib n = if n <= 1 then n else fib (n-1) + fib (n-2);;
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val fib : int -> int = <fun>
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[PASS] fib_result: # fib 10;;
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- : int = 55
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--- Section 4: Attributes Pass Through ---
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[PASS] inline_attr: # let[@inline] double x = x + x;;
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val double : int -> int = <fun>
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-
[PASS] warning_attr: # let[@warning "-32"] unused_fn () = ();;
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val unused_fn : unit -> unit = <fun>
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--- Section 5: Module Support ---
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[PASS] module_with_deriving: # module M = struct type t = A | B [@@deriving show] end;;
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module M :
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sig
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type t = A | B
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val pp :
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Ppx_deriving_runtime.Format.formatter -> t -> Ppx_deriving_runtime.unit
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val show : t -> Ppx_deriving_runtime.string
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end
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Line 1, characters 0-8:
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Error: Unbound value M.show_t
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Hint: Did you mean M.show?
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[PASS] module_show_works: # M.show_t M.A;;
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-
--- Section 5: Module and Functor Support ---
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[PASS] module_def: # module M = struct let x = 42 end;;
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-
module M : sig val x : int end
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-
[PASS] module_access: # M.x;;
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-
- : int = 42
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[PASS] module_type: # module type S = sig val x : int end;;
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module type S = sig val x : int end
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[PASS] functor_def: # module F (X : S) = struct let y = X.x + 1 end;;
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module F : (X : S) -> sig val y : int end
81
-
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-
=== Results: 15/15 tests passed ===
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=== Results: 23/23 tests passed ===
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SUCCESS: All PPX tests passed!
+75
-51
test/node/node_ppx_test.ml
+75
-51
test/node/node_ppx_test.ml
···
1
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(** Node.js test for PPX preprocessing support.
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This tests that the PPX preprocessing pipeline works correctly.
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We verify that ppxlib-based PPXs are being applied by:
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1. Testing that [@@deriving show] transforms code (generates runtime refs)
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2. Testing that unknown derivers produce appropriate errors
7
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3. Testing that basic code still works through the PPX pipeline
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This tests that the PPX preprocessing pipeline works correctly with
4
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ppx_deriving. We verify that:
5
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1. [@@deriving show] generates working pp and show functions
6
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2. [@@deriving eq] generates working equal functions
7
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3. Multiple derivers work together
8
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4. Basic code still works through the PPX pipeline
8
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9
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The PPX pipeline in js_top_worker applies old-style Ast_mapper PPXs
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followed by ppxlib-based PPXs via Ppxlib.Driver.map_structure.
···
141
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let* _ = Client.init rpc init_config in
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let* _ = Client.setup rpc "" in
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Printf.printf "--- Section 1: ppx_deriving Transformation ---\n%!";
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(* Load ppx_deriving.runtime so generated code can reference it *)
146
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let* r = run_toplevel rpc "#require \"ppx_deriving.runtime\";;" in
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Printf.printf "Loading ppx_deriving.runtime: %s\n%!"
148
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(if contains r "Error" then "FAILED" else "OK");
145
149
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(* Test that ppx_deriving IS transforming the code.
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The type gets defined, but generated code fails due to missing runtime.
148
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This proves the PPX ran and transformed the AST. *)
150
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Printf.printf "\n--- Section 1: ppx_deriving.show ---\n%!";
151
+
152
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(* Test [@@deriving show] generates pp and show functions *)
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let* r = run_toplevel rpc "type color = Red | Green | Blue [@@deriving show];;" in
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(* The type should be defined *)
151
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test "deriving_show_type" (contains r "type color")
152
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"type defined with [@@deriving show]";
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(* The generated pp_color function fails because runtime isn't available,
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-
so we won't see val pp_color in output - but type IS defined *)
155
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test "deriving_show_no_pp" (not (contains r "val pp_color"))
156
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"pp_color not available (runtime missing)";
154
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test "show_type_defined" (contains r "type color") "type color defined";
155
+
test "show_pp_generated" (contains r "val pp_color")
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(if contains r "val pp_color" then "pp_color generated" else r);
157
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test "show_fn_generated" (contains r "val show_color")
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(if contains r "val show_color" then "show_color generated" else r);
157
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-
(* Test with eq deriver *)
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let* r = run_toplevel rpc "type status = On | Off [@@deriving eq];;" in
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test "deriving_eq_type" (contains r "type status")
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"type defined with [@@deriving eq]";
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(* Test the generated show function works *)
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let* r = run_toplevel rpc "show_color Red;;" in
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test "show_fn_works" (contains r "Red")
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(String.sub r 0 (min 60 (String.length r)));
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+
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(* Test with a record type *)
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let* r = run_toplevel rpc "type point = { x: int; y: int } [@@deriving show];;" in
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test "show_record_type" (contains r "type point") "point type defined";
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test "show_record_pp" (contains r "val pp_point")
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(if contains r "val pp_point" then "pp_point generated" else r);
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+
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let* r = run_toplevel rpc "show_point { x = 10; y = 20 };;" in
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test "show_record_works" (contains r "10" && contains r "20")
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(String.sub r 0 (min 60 (String.length r)));
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+
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Printf.printf "\n--- Section 2: ppx_deriving.eq ---\n%!";
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+
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(* Test [@@deriving eq] generates equal function *)
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let* r = run_toplevel rpc "type status = Active | Inactive [@@deriving eq];;" in
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test "eq_type_defined" (contains r "type status") "status type defined";
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test "eq_fn_generated" (contains r "val equal_status")
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(if contains r "val equal_status" then "equal_status generated" else r);
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+
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(* Test the generated equal function works *)
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let* r = run_toplevel rpc "equal_status Active Active;;" in
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test "eq_same_true" (contains r "true") r;
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+
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let* r = run_toplevel rpc "equal_status Active Inactive;;" in
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test "eq_diff_false" (contains r "false") r;
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+
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Printf.printf "\n--- Section 3: Combined Derivers ---\n%!";
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+
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(* Test multiple derivers on one type *)
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let* r = run_toplevel rpc "type expr = Num of int | Add of expr * expr [@@deriving show, eq];;" in
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test "combined_type" (contains r "type expr") "expr type defined";
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test "combined_pp" (contains r "val pp_expr")
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(if contains r "val pp_expr" then "pp_expr generated" else r);
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test "combined_eq" (contains r "val equal_expr")
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(if contains r "val equal_expr" then "equal_expr generated" else r);
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Printf.printf "\n--- Section 2: Unknown Deriver Error ---\n%!";
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(* Test they work together *)
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let* r = run_toplevel rpc "let e1 = Add (Num 1, Num 2);;" in
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test "combined_value" (contains r "val e1") r;
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(* Test that an unknown deriver produces an error - this proves PPX is active *)
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let* r = run_toplevel rpc "type foo = A | B [@@deriving nonexistent];;" in
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test "unknown_deriver_error" (contains r "Ppxlib.Deriving" || contains r "nonexistent" || contains r "Error")
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let* r = run_toplevel rpc "show_expr e1;;" in
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test "combined_show_works" (contains r "Add" || contains r "Num")
168
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(String.sub r 0 (min 80 (String.length r)));
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Printf.printf "\n--- Section 3: Basic Code Through PPX Pipeline ---\n%!";
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let* r = run_toplevel rpc "equal_expr e1 e1;;" in
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test "combined_eq_self" (contains r "true") r;
210
+
211
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let* r = run_toplevel rpc "equal_expr e1 (Num 1);;" in
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test "combined_eq_diff" (contains r "false") r;
213
+
214
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Printf.printf "\n--- Section 4: Basic Code Still Works ---\n%!";
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(* Verify normal code without PPX still works *)
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let* r = run_toplevel rpc "let x = 1 + 2;;" in
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test "basic_arithmetic" (contains r "val x : int = 3") r;
175
219
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-
let* r = run_toplevel rpc "type point = { x: int; y: int };;" in
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test "plain_record" (contains r "type point") r;
178
-
179
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let* r = run_toplevel rpc "let p = { x = 10; y = 20 };;" in
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test "record_value" (contains r "val p : point") r;
181
-
182
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let* r = run_toplevel rpc "let rec fib n = if n <= 1 then n else fib (n-1) + fib (n-2);;" in
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test "recursive_fn" (contains r "val fib : int -> int") r;
184
222
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223
let* r = run_toplevel rpc "fib 10;;" in
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test "fib_result" (contains r "55") r;
187
225
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Printf.printf "\n--- Section 4: Attributes Pass Through ---\n%!";
189
-
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(* Test that standard attributes work *)
191
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let* r = run_toplevel rpc "let[@inline] double x = x + x;;" in
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test "inline_attr" (contains r "val double") r;
193
-
194
-
let* r = run_toplevel rpc "let[@warning \"-32\"] unused_fn () = ();;" in
195
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test "warning_attr" (contains r "val unused_fn") r;
196
-
197
-
Printf.printf "\n--- Section 5: Module and Functor Support ---\n%!";
198
-
199
-
let* r = run_toplevel rpc "module M = struct let x = 42 end;;" in
200
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test "module_def" (contains r "module M") r;
226
+
Printf.printf "\n--- Section 5: Module Support ---\n%!";
201
227
202
-
let* r = run_toplevel rpc "M.x;;" in
203
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test "module_access" (contains r "42") r;
204
-
205
-
let* r = run_toplevel rpc "module type S = sig val x : int end;;" in
206
-
test "module_type" (contains r "module type S") r;
228
+
let* r = run_toplevel rpc "module M = struct type t = A | B [@@deriving show] end;;" in
229
+
test "module_with_deriving" (contains r "module M") r;
207
230
208
-
let* r = run_toplevel rpc "module F (X : S) = struct let y = X.x + 1 end;;" in
209
-
test "functor_def" (contains r "module F") r;
231
+
let* r = run_toplevel rpc "M.show_t M.A;;" in
232
+
test "module_show_works" (contains r "A")
233
+
(String.sub r 0 (min 60 (String.length r)));
210
234
211
235
IdlM.ErrM.return ()
212
236
in
+40
test/node/node_test.expected
+40
test/node/node_test.expected
···
2
2
Initializing findlib
3
3
node_test.js: [INFO] async_get: _opam/findlib_index
4
4
node_test.js: [INFO] async_get: _opam/lib/sexplib0/META
5
+
node_test.js: [INFO] async_get: _opam/lib/ppx_deriving/META
5
6
node_test.js: [INFO] async_get: _opam/lib/ocaml_intrinsics_kernel/META
6
7
node_test.js: [INFO] async_get: _opam/lib/ocaml/stdlib/META
7
8
node_test.js: [INFO] async_get: _opam/lib/base/META
8
9
Parsed uri: lib/sexplib0/META
9
10
Reading library: sexplib0
11
+
Number of children: 0
12
+
Parsed uri: lib/ppx_deriving/META
13
+
Reading library: ppx_deriving
14
+
Number of children: 12
15
+
Found child: api
16
+
Reading library: ppx_deriving.api
17
+
Number of children: 0
18
+
Found child: create
19
+
Reading library: ppx_deriving.create
20
+
Number of children: 0
21
+
Found child: enum
22
+
Reading library: ppx_deriving.enum
23
+
Number of children: 0
24
+
Found child: eq
25
+
Reading library: ppx_deriving.eq
26
+
Number of children: 0
27
+
Found child: fold
28
+
Reading library: ppx_deriving.fold
29
+
Number of children: 0
30
+
Found child: iter
31
+
Reading library: ppx_deriving.iter
32
+
Number of children: 0
33
+
Found child: make
34
+
Reading library: ppx_deriving.make
35
+
Number of children: 0
36
+
Found child: map
37
+
Reading library: ppx_deriving.map
38
+
Number of children: 0
39
+
Found child: ord
40
+
Reading library: ppx_deriving.ord
41
+
Number of children: 0
42
+
Found child: runtime
43
+
Reading library: ppx_deriving.runtime
44
+
Number of children: 0
45
+
Found child: show
46
+
Reading library: ppx_deriving.show
47
+
Number of children: 0
48
+
Found child: std
49
+
Reading library: ppx_deriving.std
10
50
Number of children: 0
11
51
Parsed uri: lib/ocaml_intrinsics_kernel/META
12
52
Reading library: ocaml_intrinsics_kernel