Rename Kind to Var in Pform

Signed-off-by: Rudi Grinberg <rudi.grinberg@gmail.com>

src/pform.ml

@@ -1,6 +1,6 @@
 open Import
 
-module Kind = struct
+module Var = struct
   type t =
     | Values of Value.t list
     | Project_root
@@ -41,16 +41,16 @@ type 'a t =
 module Map = struct
   type nonrec 'a t = 'a t String.Map.t
 
-  let values v                      = No_info (Kind.Values v)
+  let values v                      = No_info (Var.Values v)
   let renamed_in ~new_name ~version = Renamed_in (version, new_name)
   let deleted_in ~version kind      = Deleted_in (kind, version)
   let since ~version v              = Since (v, version)
 
   let static_vars =
-    [ "first-dep", since ~version:(1, 0) Kind.First_dep
-    ; "targets", since ~version:(1, 0) Kind.Targets
-    ; "deps", since ~version:(1, 0) Kind.Deps
-    ; "project_root", since ~version:(1, 0) Kind.Project_root
+    [ "first-dep", since ~version:(1, 0) Var.First_dep
+    ; "targets", since ~version:(1, 0) Var.Targets
+    ; "deps", since ~version:(1, 0) Var.Deps
+    ; "project_root", since ~version:(1, 0) Var.Project_root
 
     ; "<", renamed_in ~version:(1, 0) ~new_name:"first-dep"
     ; "@", renamed_in ~version:(1, 0) ~new_name:"targets"

src/pform.mli

@@ -1,4 +1,4 @@
-module Kind : sig
+module Var : sig
   type t =
     | Values of Value.t list
     | Project_root
@@ -34,11 +34,11 @@ module Map : sig
   type 'a var
   type 'a t
 
-  val create_vars : context:Context.t -> cxx_flags:string list -> Kind.t t
+  val create_vars : context:Context.t -> cxx_flags:string list -> Var.t t
 
   val macros : Macro.t t
 
-  val static_vars : Kind.t t
+  val static_vars : Var.t t
 
   val expand
     :  'a t

src/super_context.ml

@@ -45,7 +45,7 @@ type t =
   ; artifacts                        : Artifacts.t
   ; stanzas_to_consider_for_install  : Installable.t list
   ; cxx_flags                        : string list
-  ; vars                             : Pform.Kind.t Pform.Map.t
+  ; vars                             : Pform.Var.t Pform.Map.t
   ; macros                           : Pform.Macro.t Pform.Map.t
   ; chdir                            : (Action.t, Action.t) Build.t
   ; host                             : t option
@@ -106,7 +106,7 @@ let (expand_vars_string, expand_vars_path) =
       | None ->
         String.Map.find extra_vars (String_with_vars.Var.full_name var)
       | Some v ->
-        begin match Pform.Kind.to_value_no_deps_or_targets ~scope v with
+        begin match Pform.Var.to_value_no_deps_or_targets ~scope v with
         | Some _ as v -> v
         | None ->
           Loc.fail (String_with_vars.Var.loc var)
@@ -710,7 +710,7 @@ module Action = struct
             | Static l ->
               Some (Value.L.dirs l) (* XXX hack to signal no dep *)
             end
-          | Some v -> Pform.Kind.to_value_no_deps_or_targets v ~scope
+          | Some v -> Pform.Var.to_value_no_deps_or_targets v ~scope
           end
       in
       Option.iter res ~f:(fun v ->
@@ -731,7 +731,7 @@ module Action = struct
       | None ->
         Pform.Map.expand Pform.Map.static_vars ~syntax_version ~var
         |> Option.map ~f:(function
-          | Pform.Kind.Deps -> (Value.L.paths deps_written_by_user)
+          | Pform.Var.Deps -> (Value.L.paths deps_written_by_user)
           | First_dep ->
             begin match deps_written_by_user with
             | [] ->