Support OCaml 5.5

Fully support the 5.5 compiler as it is currently, with migrations. The
new "external type" feature has not yet been encoded. This is deemed
future work.

Signed-off-by: Patrick Ferris <[email protected]>

Author: patricoferris

.ocamlformat-ignore

@@ -21,6 +21,7 @@ astlib/ast_501.ml
 astlib/ast_502.ml
 astlib/ast_503.ml
 astlib/ast_504.ml
+astlib/ast_505.ml
 
 # Files that use cinaps to generate code blocks from other code blocks work well,
 # but files that inject freely formatted code via cinaps must be excluded

ast/supported_version/supported_version.ml

@@ -14,6 +14,7 @@ let all =
     (5, 2);
     (5, 3);
     (5, 4);
+    (5, 5);
   ]
 
 let to_string (a, b) =

ast/versions.ml

@@ -654,6 +654,13 @@ module OCaml_504 = struct
   let string_version = "5.4"
 end
 let ocaml_504 : OCaml_504.types ocaml_version = (module OCaml_504)
+module OCaml_505 = struct
+  module Ast = Astlib.Ast_505
+  include Make_witness(Astlib.Ast_505)
+  let version = 505
+  let string_version = "5.5"
+end
+let ocaml_505 : OCaml_505.types ocaml_version = (module OCaml_505)
 (*$*)
 
 let all_versions : (module OCaml_version) list = [
@@ -671,6 +678,7 @@ let all_versions : (module OCaml_version) list = [
 (module OCaml_502 : OCaml_version);
 (module OCaml_503 : OCaml_version);
 (module OCaml_504 : OCaml_version);
+(module OCaml_505 : OCaml_version);
 (*$*)
 ]
 
@@ -701,6 +709,8 @@ include Register_migration(OCaml_502)(OCaml_503)
     (Astlib.Migrate_502_503)(Astlib.Migrate_503_502)
 include Register_migration(OCaml_503)(OCaml_504)
     (Astlib.Migrate_503_504)(Astlib.Migrate_504_503)
+include Register_migration(OCaml_504)(OCaml_505)
+    (Astlib.Migrate_504_505)(Astlib.Migrate_505_504)
 (*$*)
 
 module OCaml_current = OCaml_OCAML_VERSION

ast/versions.mli

@@ -154,6 +154,7 @@ module OCaml_501 : OCaml_version with module Ast = Astlib.Ast_501
 module OCaml_502 : OCaml_version with module Ast = Astlib.Ast_502
 module OCaml_503 : OCaml_version with module Ast = Astlib.Ast_503
 module OCaml_504 : OCaml_version with module Ast = Astlib.Ast_504
+module OCaml_505 : OCaml_version with module Ast = Astlib.Ast_505
 (*$*)
 
 (* An alias to the current compiler version *)