From c46c3a5c7793753f2f15c1655517f3f9b8fee644 Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Wed, 25 Dec 2019 14:30:38 +0000
Subject: [PATCH] Rename Ast.StringMap -> Ast.Env

---
 src/ast.ml     |  6 +++---
 src/ast.mli    |  4 ++--
 src/eval.ml    | 12 ++++++------
 src/main.ml    |  2 +-
 src/parser.mly |  4 ++--
 5 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/src/ast.ml b/src/ast.ml
index 819e9ee..48ff6aa 100644
--- a/src/ast.ml
+++ b/src/ast.ml
@@ -20,7 +20,7 @@
 open Lexing
 open Printf
 
-module StringMap = Map.Make (String)
+module Env = Map.Make (String)
 
 type loc = position * position
 let noloc = dummy_pos, dummy_pos
@@ -31,7 +31,7 @@ let string_loc () loc =
 let print_loc fp loc =
   fprintf fp "%s" (string_loc () loc)
 
-type env = expr StringMap.t
+type env = expr Env.t
 and pattern =
   | PTactic of loc * id * substs list
   | PVar of loc * id
@@ -85,7 +85,7 @@ let iter_with_commas
   ) xs
 
 let rec print_env fp env =
-  StringMap.iter (print_def fp) env
+  Env.iter (print_def fp) env
 
 and print_def fp name expr =
   match expr with
diff --git a/src/ast.mli b/src/ast.mli
index 3a42ec4..067d20a 100644
--- a/src/ast.mli
+++ b/src/ast.mli
@@ -17,7 +17,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *)
 
-module StringMap : sig
+module Env : sig
   type key = string
   type 'a t
   val empty: 'a t
@@ -36,7 +36,7 @@ val string_loc : unit -> loc -> string
 
 (** An environment is a set of variable and goal definitions, mapping
     variable or goal name -> expression. *)
-type env = expr StringMap.t
+type env = expr Env.t
 and pattern =
   (** match tactic such as file ("filename") *)
   | PTactic of loc * id * substs list
diff --git a/src/eval.ml b/src/eval.ml
index e928564..b8dbe54 100644
--- a/src/eval.ml
+++ b/src/eval.ml
@@ -28,7 +28,7 @@ and evaluate_target env = function
   (* Call a goal. *)
   | Ast.ECall (loc, name, args) ->
      let expr =
-       try Ast.StringMap.find name env
+       try Ast.Env.find name env
        with Not_found ->
          failwithf "%a: goal ‘%s’ not found" Ast.string_loc loc name in
      let goal =
@@ -49,7 +49,7 @@ and evaluate_target env = function
   (* Look up the variable and substitute it. *)
   | Ast.EVar (loc, name) ->
      let expr =
-       try Ast.StringMap.find name env
+       try Ast.Env.find name env
        with Not_found ->
          failwithf "%a: variable ‘%s’ not found" Ast.string_loc loc name in
      evaluate_target env expr
@@ -72,7 +72,7 @@ and evaluate_target env = function
 and run_goal_for_tactic loc env tactic const_args =
   (* Search across all goals for a matching tactic. *)
   let goals =
-    let env = Ast.StringMap.bindings env in
+    let env = Ast.Env.bindings env in
     filter_map
       (function (name, Ast.EGoal (loc, goal)) -> Some (name, goal) | _ -> None)
       env in
@@ -132,7 +132,7 @@ and run_goal loc env name args (params, patterns, deps, code) =
       failwithf "%a: calling goal ‘%s’ with wrong number of arguments"
         Ast.string_loc loc name in
   let env =
-    List.fold_left (fun env (k, v) -> Ast.StringMap.add k v env)
+    List.fold_left (fun env (k, v) -> Ast.Env.add k v env)
       env params in
 
   (* Evaluate the dependencies first. *)
@@ -161,7 +161,7 @@ and simplify env = function
 
   | Ast.EVar (loc, name) ->
      let expr =
-       try Ast.StringMap.find name env
+       try Ast.Env.find name env
        with Not_found ->
          failwithf "%a: variable ‘%s’ not found" Ast.string_loc loc name in
      simplify env expr
@@ -196,7 +196,7 @@ and substitute loc env substs =
     | Ast.SString s -> Buffer.add_string b s
     | Ast.SVar name ->
        let expr =
-         try Ast.StringMap.find name env
+         try Ast.Env.find name env
          with Not_found ->
            failwithf "%a: variable ‘%s’ not found" Ast.string_loc loc name in
        match simplify env expr with
diff --git a/src/main.ml b/src/main.ml
index 06af8e5..33d91b6 100644
--- a/src/main.ml
+++ b/src/main.ml
@@ -77,7 +77,7 @@ let main () =
         (* assignment *)
         let name = Str.matched_group 1 arg in
         let expr = Parse.parse_cli_expr (Str.matched_group 2 arg) in
-        env := Ast.StringMap.add name expr !env
+        env := Ast.Env.add name expr !env
       )
       else (
         (* target *)
diff --git a/src/parser.mly b/src/parser.mly
index 3531b08..5a2ce9b 100644
--- a/src/parser.mly
+++ b/src/parser.mly
@@ -49,8 +49,8 @@ file:
 stmts:
     | list(stmt)
     { List.fold_left (
-        fun env (name, expr) -> Ast.StringMap.add name expr env
-      ) Ast.StringMap.empty $1
+        fun env (name, expr) -> Ast.Env.add name expr env
+      ) Ast.Env.empty $1
     }
     ;
 stmt:
-- 
1.8.3.1