Merge branch 'ast/move_ds_to_constant' into 'dev'

Remove extra AST cases

See merge request ligolang/ligo!499

scripts/test_cli.sh

@@ -7,7 +7,7 @@ dry_run_output=$(./scripts/ligo_ci.sh dry-run src/test/contracts/website2.ligo m
 
 expected_compiled_parameter="(Right 1)";
 expected_compiled_storage=1;
-expected_dry_run_output="( list[] , 2 )";
+expected_dry_run_output="( LIST_EMPTY() , 2 )";
 
 if [ "$compiled_storage" != "$expected_compiled_storage" ]; then
     echo "Expected $expected_compiled_storage as compile-storage output, got $compiled_storage instead";

src/bin/expect_tests/contract_tests.ml

@@ -7,13 +7,13 @@ let bad_contract basename =
 
 let%expect_test _ =
   run_ligo_good [ "measure-contract" ; contract "coase.ligo" ; "main" ] ;
-  [%expect {| 1870 bytes |}] ;
+  [%expect {| 1872 bytes |}] ;
 
   run_ligo_good [ "measure-contract" ; contract "multisig.ligo" ; "main" ] ;
   [%expect {| 1294 bytes |}] ;
 
   run_ligo_good [ "measure-contract" ; contract "multisig-v2.ligo" ; "main" ] ;
-  [%expect {| 2935 bytes |}] ;
+  [%expect {| 2974 bytes |}] ;
 
   run_ligo_good [ "measure-contract" ; contract "vote.mligo" ; "main" ] ;
   [%expect {| 589 bytes |}] ;
@@ -227,16 +227,17 @@ let%expect_test _ =
                      NIL operation ;
                      SWAP ;
                      CONS ;
-                     DIP { DIP 4 { DUP } ;
+                     DUP ;
-                           DIG 4 ;
+                     DIP { DIP 5 { DUP } ;
-                           DIP 4 { DUP } ;
+                           DIG 5 ;
-                           DIG 4 ;
+                           DIP 5 { DUP } ;
+                           DIG 5 ;
                            DIP { DUP ; CDR ; SWAP ; CAR ; CAR } ;
                            SWAP ;
                            PAIR ;
                            PAIR } ;
                      PAIR ;
-                     DIP { DROP 13 } } ;
+                     DIP { DROP 14 } } ;
                  DIP { DROP } }
                { DUP ;
                  DIP { DIP { DUP } ; SWAP } ;
@@ -513,19 +514,19 @@ let%expect_test _ =
                      GT ;
                      IF { PUSH string "Message size exceed maximum limit" ; FAILWITH }
                         { PUSH unit Unit } ;
-                     DIP 4 { DUP } ;
-                     DIG 4 ;
                      EMPTY_SET address ;
+                     DUP ;
+                     DIP { DIP 5 { DUP } ; DIG 5 } ;
                      PAIR ;
-                     DIP 2 { DUP } ;
+                     DIP 3 { DUP } ;
-                     DIG 2 ;
+                     DIG 3 ;
-                     DIP { DIP 5 { DUP } ; DIG 5 ; CAR ; CDR ; CDR } ;
+                     DIP { DIP 6 { DUP } ; DIG 6 ; CAR ; CDR ; CDR } ;
                      GET ;
                      IF_NONE
-                       { DIP 5 { DUP } ;
+                       { DIP 6 { DUP } ;
-                         DIG 5 ;
-                         DIP 6 { DUP } ;
                          DIG 6 ;
+                         DIP 7 { DUP } ;
+                         DIG 7 ;
                          CDR ;
                          CAR ;
                          CAR ;
@@ -535,7 +536,7 @@ let%expect_test _ =
                          PUSH nat 1 ;
                          ADD ;
                          SOME ;
-                         DIP { DIP 6 { DUP } ; DIG 6 ; CDR ; CAR ; CAR } ;
+                         DIP { DIP 7 { DUP } ; DIG 7 ; CDR ; CAR ; CAR } ;
                          SENDER ;
                          UPDATE ;
                          DIP { DUP ; CAR ; SWAP ; CDR ; DUP ; CDR ; SWAP ; CAR ; CDR } ;
@@ -543,31 +544,33 @@ let%expect_test _ =
                          PAIR ;
                          SWAP ;
                          PAIR ;
-                         DIP { DUP } ;
-                         SWAP ;
-                         CAR ;
-                         DIP { DUP } ;
-                         PAIR ;
                          EMPTY_SET address ;
                          PUSH bool True ;
                          SENDER ;
                          UPDATE ;
+                         DIP 2 { DUP } ;
+                         DIG 2 ;
+                         DIP 2 { DUP } ;
+                         DIG 2 ;
                          SWAP ;
+                         CAR ;
+                         PAIR ;
                          CDR ;
+                         DIP { DUP } ;
                          SWAP ;
                          PAIR ;
-                         DIP { DROP } }
+                         DIP { DROP 2 } }
-                       { DIP 6 { DUP } ;
+                       { DIP 7 { DUP } ;
-                         DIG 6 ;
+                         DIG 7 ;
                          DIP { DUP } ;
                          SWAP ;
                          SENDER ;
                          MEM ;
                          IF { DUP }
-                            { DIP 7 { DUP } ;
+                            { DIP 8 { DUP } ;
-                              DIG 7 ;
-                              DIP 8 { DUP } ;
                               DIG 8 ;
+                              DIP 9 { DUP } ;
+                              DIG 9 ;
                               CDR ;
                               CAR ;
                               CAR ;
@@ -577,7 +580,7 @@ let%expect_test _ =
                               PUSH nat 1 ;
                               ADD ;
                               SOME ;
-                              DIP { DIP 8 { DUP } ; DIG 8 ; CDR ; CAR ; CAR } ;
+                              DIP { DIP 9 { DUP } ; DIG 9 ; CDR ; CAR ; CAR } ;
                               SENDER ;
                               UPDATE ;
                               DIP { DUP ; CAR ; SWAP ; CDR ; DUP ; CDR ; SWAP ; CAR ; CDR } ;
@@ -623,21 +626,21 @@ let%expect_test _ =
                      GT ;
                      IF { PUSH string "Maximum number of proposal reached" ; FAILWITH }
                         { PUSH unit Unit } ;
-                     DIP 2 { DUP } ;
-                     DIG 2 ;
                      NIL operation ;
+                     DUP ;
+                     DIP { DIP 3 { DUP } ; DIG 3 } ;
                      PAIR ;
-                     DIP 4 { DUP } ;
+                     DIP 5 { DUP } ;
-                     DIG 4 ;
+                     DIG 5 ;
                      SIZE ;
-                     DIP { DIP 3 { DUP } ; DIG 3 ; CDR ; CDR } ;
+                     DIP { DIP 4 { DUP } ; DIG 4 ; CDR ; CDR } ;
                      COMPARE ;
                      GE ;
-                     IF { DIP 3 { DUP } ;
+                     IF { DIP 4 { DUP } ;
-                          DIG 3 ;
+                          DIG 4 ;
-                          DIP 9 { DUP } ;
+                          DIP 11 { DUP } ;
-                          DIG 9 ;
+                          DIG 11 ;
-                          DIP { DIP 4 { DUP } ; DIG 4 ; CAR ; CDR ; CDR ; NONE (set address) } ;
+                          DIP { DIP 5 { DUP } ; DIG 5 ; CAR ; CDR ; CDR ; NONE (set address) } ;
                           UPDATE ;
                           DIP { DUP ; CDR ; SWAP ; CAR ; DUP ; CAR ; SWAP ; CDR ; CAR } ;
                           SWAP ;
@@ -649,7 +652,7 @@ let%expect_test _ =
                           CDR ;
                           CAR ;
                           CDR ;
-                          DIP { DIP 10 { DUP } ; DIG 10 } ;
+                          DIP { DIP 12 { DUP } ; DIG 12 } ;
                           EXEC ;
                           DIP { DUP } ;
                           SWAP ;
@@ -658,7 +661,7 @@ let%expect_test _ =
                           CDR ;
                           CAR ;
                           CDR ;
-                          DIP { DIP 11 { DUP } ; DIG 11 } ;
+                          DIP { DIP 13 { DUP } ; DIG 13 } ;
                           CONCAT ;
                           SHA256 ;
                           DIP { DUP ; CAR ; SWAP ; CDR ; DUP ; CDR ; SWAP ; CAR ; CAR } ;
@@ -684,7 +687,7 @@ let%expect_test _ =
                                  SWAP ;
                                  DIP { DUP } ;
                                  SWAP ;
-                                 DIP { DIP 11 { DUP } ; DIG 11 } ;
+                                 DIP { DIP 12 { DUP } ; DIG 12 } ;
                                  MEM ;
                                  IF { DIP 2 { DUP } ;
                                       DIG 2 ;
@@ -746,14 +749,14 @@ let%expect_test _ =
                           PAIR ;
                           DIP { DROP 4 } }
                         { DUP ;
-                          DIP 4 { DUP } ;
+                          DIP 5 { DUP } ;
-                          DIG 4 ;
+                          DIG 5 ;
-                          DIP 10 { DUP } ;
+                          DIP 12 { DUP } ;
-                          DIG 10 ;
+                          DIG 12 ;
-                          DIP { DIP 6 { DUP } ;
+                          DIP { DIP 7 { DUP } ;
-                                DIG 6 ;
+                                DIG 7 ;
                                 SOME ;
-                                DIP { DIP 5 { DUP } ; DIG 5 ; CAR ; CDR ; CDR } } ;
+                                DIP { DIP 6 { DUP } ; DIG 6 ; CAR ; CDR ; CDR } } ;
                           UPDATE ;
                           DIP { DUP ; CDR ; SWAP ; CAR ; DUP ; CAR ; SWAP ; CDR ; CAR } ;
                           SWAP ;
@@ -768,7 +771,7 @@ let%expect_test _ =
                      CAR ;
                      DIP { DUP ; CDR } ;
                      PAIR ;
-                     DIP { DROP 15 } } ;
+                     DIP { DROP 17 } } ;
                  DIP { DROP } }
                { DUP ;
                  DIP { DIP { DUP } ; SWAP } ;
@@ -1033,11 +1036,11 @@ let%expect_test _ =
 
 let%expect_test _ =
     run_ligo_good [ "dry-run" ; contract "redeclaration.ligo" ; "main" ; "unit" ; "0" ] ;
-    [%expect {|( list[] , 0 ) |}]
+    [%expect {|( LIST_EMPTY() , 0 ) |}]
 
 let%expect_test _ =
     run_ligo_good [ "dry-run" ; contract "double_main.ligo" ; "main" ; "unit" ; "0" ] ;
-    [%expect {|( list[] , 2 ) |}]
+    [%expect {|( LIST_EMPTY() , 2 ) |}]
 
 let%expect_test _ =
   run_ligo_good [ "compile-contract" ; contract "subtle_nontail_fail.mligo" ; "main" ] ;
@@ -1095,7 +1098,7 @@ let%expect_test _ =
 let%expect_test _ =
   run_ligo_good [ "dry-run" ; contract "super-counter.mligo" ; "main" ; "test_param" ; "test_storage" ] ;
   [%expect {|
-    ( list[] , 3 ) |}]
+    ( LIST_EMPTY() , 3 ) |}]
 
 let%expect_test _ =
   run_ligo_bad [ "compile-contract" ; bad_contract "redundant_constructors.mligo" ; "main" ] ;
@@ -1114,7 +1117,7 @@ let%expect_test _ =
 let%expect_test _ =
   run_ligo_bad [ "compile-contract" ; bad_contract "create_contract_toplevel.mligo" ; "main" ] ;
   [%expect {|
-ligo: in file "create_contract_toplevel.mligo", line 4, character 35 to line 8, character 8. No free variable allowed in this lambda: variable 'store' {"expression":"CREATE_CONTRACT(lambda (#P:Some(( nat * string ))) : None return let rhs#702 = #P in let p = rhs#702.0 in let s = rhs#702.1 in ( list[] : (TO_list(operation)) , store ) , NONE() : (TO_option(key_hash)) , 300000000mutez , \"un\")","location":"in file \"create_contract_toplevel.mligo\", line 4, character 35 to line 8, character 8"}
+ligo: in file "create_contract_toplevel.mligo", line 4, character 35 to line 8, character 8. No free variable allowed in this lambda: variable 'store' {"expression":"CREATE_CONTRACT(lambda (#P:Some(( nat * string ))) : None return let rhs#702 = #P in let p = rhs#702.0 in let s = rhs#702.1 in ( LIST_EMPTY() : (TO_list(operation)) , store ) , NONE() : (TO_option(key_hash)) , 300000000mutez , \"un\")","location":"in file \"create_contract_toplevel.mligo\", line 4, character 35 to line 8, character 8"}
 
 
  If you're not sure how to fix this error, you can
@@ -1127,7 +1130,7 @@ ligo: in file "create_contract_toplevel.mligo", line 4, character 35 to line 8,
 
   run_ligo_bad [ "compile-contract" ; bad_contract "create_contract_var.mligo" ; "main" ] ;
   [%expect {|
-ligo: in file "create_contract_var.mligo", line 6, character 35 to line 10, character 5. No free variable allowed in this lambda: variable 'a' {"expression":"CREATE_CONTRACT(lambda (#P:Some(( nat * int ))) : None return let rhs#705 = #P in let p = rhs#705.0 in let s = rhs#705.1 in ( list[] : (TO_list(operation)) , a ) , NONE() : (TO_option(key_hash)) , 300000000mutez , 1)","location":"in file \"create_contract_var.mligo\", line 6, character 35 to line 10, character 5"}
+ligo: in file "create_contract_var.mligo", line 6, character 35 to line 10, character 5. No free variable allowed in this lambda: variable 'a' {"expression":"CREATE_CONTRACT(lambda (#P:Some(( nat * int ))) : None return let rhs#705 = #P in let p = rhs#705.0 in let s = rhs#705.1 in ( LIST_EMPTY() : (TO_list(operation)) , a ) , NONE() : (TO_option(key_hash)) , 300000000mutez , 1)","location":"in file \"create_contract_var.mligo\", line 6, character 35 to line 10, character 5"}
 
 
  If you're not sure how to fix this error, you can
@@ -1336,4 +1339,4 @@ let%expect_test _ =
     * Visit our documentation: https://ligolang.org/docs/intro/what-and-why/
     * Ask a question on our Discord: https://discord.gg/9rhYaEt
     * Open a gitlab issue: https://gitlab.com/ligolang/ligo/issues/new
-    * Check the changelog by running 'ligo changelog' |}]
+    * Check the changelog by running 'ligo changelog' |}]

src/bin/expect_tests/ligo_interpreter_tests.ml

@@ -43,12 +43,12 @@ let%expect_test _ =
     val map_finds = Some(2 : int)
     val map_finds_fail = "failed map find" : failure
     val map_empty = {  ; 0 = ([]) ; 1 = ([]) }
-    val m = [ ; "one" : string -> 1 : int ; "two" : string -> 2 : int ; "three" : string -> 3 : int]
+    val m = [ ; "one" : string -> 1 : int ; "three" : string -> 3 : int ; "two" : string -> 2 : int]
     val map_fold = 4 : int
     val map_iter = unit
-    val map_map = [ ; "one" : string -> 4 : int ; "two" : string -> 5 : int ; "three" : string -> 8 : int]
+    val map_map = [ ; "one" : string -> 4 : int ; "three" : string -> 8 : int ; "two" : string -> 5 : int]
     val map_mem = {  ; 0 = (true) ; 1 = (false) }
-    val map_remove = {  ; 0 = ([ ; "two" : string -> 2 : int ; "three" : string -> 3 : int]) ; 1 = ([ ; "one" : string -> 1 : int ; "two" : string -> 2 : int ; "three" : string -> 3 : int]) }
+    val map_remove = {  ; 0 = ([ ; "three" : string -> 3 : int ; "two" : string -> 2 : int]) ; 1 = ([ ; "one" : string -> 1 : int ; "three" : string -> 3 : int ; "two" : string -> 2 : int]) }
     val map_update = {  ; 0 = ([ ; "one" : string -> 1 : int]) ; 1 = ([]) ; 2 = ([]) ; 3 = ([ ; "one" : string -> 1 : int]) }
     val s = { ; 1 : int ; 2 : int ; 3 : int}
     val set_add = {  ; 0 = ({ ; 1 : int ; 2 : int ; 3 : int}) ; 1 = ({ ; 1 : int ; 2 : int ; 3 : int ; 4 : int}) ; 2 = ({ ; 1 : int}) }

src/bin/expect_tests/typer_error_tests.ml

@@ -175,7 +175,7 @@ let%expect_test _ =
 let%expect_test _ =
   run_ligo_good [ "interpret" ; "Set.literal [ (1,(2,3)) ; (2,(3,4)) ]" ; "--syntax=cameligo" ] ;
   [%expect {|
-    set[( 2 , ( 3 , 4 ) ) , ( 1 , ( 2 , 3 ) )] |}];
+    SET_ADD(( 2 , ( 3 , 4 ) ) , SET_ADD(( 1 , ( 2 , 3 ) ) , SET_EMPTY())) |}];
 
   run_ligo_bad [ "interpret" ; "Set.literal [ (1,2,3) ; (2,3,4) ]" ; "--syntax=cameligo" ] ;
   [%expect {|

src/passes/10-interpreter/interpreter.ml

@@ -119,6 +119,7 @@ let rec apply_operator : Ast_typed.constant' -> value list -> value result =
     | ( C_OR     , [ V_Ct (C_bool a'  ) ; V_Ct (C_bool b'  ) ] ) -> return_ct @@ C_bool   (a' || b')
     | ( C_AND    , [ V_Ct (C_bool a'  ) ; V_Ct (C_bool b'  ) ] ) -> return_ct @@ C_bool   (a' && b')
     | ( C_XOR    , [ V_Ct (C_bool a'  ) ; V_Ct (C_bool b'  ) ] ) -> return_ct @@ C_bool   ( (a' || b') && (not (a' && b')) ) 
+    | ( C_LIST_EMPTY, []) -> ok @@ V_List ([])
     | ( C_LIST_MAP , [ V_Func_val (arg_name, body, env) ; V_List (elts) ] ) ->
       let%bind elts' = bind_map_list
         (fun elt ->
@@ -170,6 +171,7 @@ let rec apply_operator : Ast_typed.constant' -> value list -> value result =
           eval body env'
         )
         init elts
+    | ( C_MAP_EMPTY , []) -> ok @@ V_Map ([])
     | ( C_MAP_FOLD , [ V_Func_val (arg_name, body, env) ; V_Map kvs ; init ] ) ->
       bind_fold_list
         (fun prev kv ->
@@ -188,6 +190,7 @@ let rec apply_operator : Ast_typed.constant' -> value list -> value result =
       | "None" -> ok @@ V_Map (List.remove_assoc k kvs)
       | _ -> simple_fail "update without an option"
     )
+    | ( C_SET_EMPTY, []) -> ok @@ V_Set ([])
     | ( C_SET_ADD , [ v ; V_Set l ] ) -> ok @@ V_Set (List.sort_uniq compare (v::l))
     | ( C_SET_FOLD , [ V_Func_val (arg_name, body, env) ; V_Set elts ; init ] ) ->
       bind_fold_list
@@ -289,22 +292,6 @@ and eval : Ast_typed.expression -> env -> value result
       let%bind rhs' = eval rhs env in
       eval let_result (Env.extend env (let_binder,rhs'))
     )
-    | E_map kvlist | E_big_map kvlist ->
-      let%bind kvlist' = bind_map_list
-        (fun kv -> bind_map_pair (fun (el:Ast_typed.expression) -> eval el env) kv)
-        kvlist in
-      ok @@ V_Map kvlist'
-    | E_list expl ->
-      let%bind expl' = bind_map_list
-        (fun (exp:Ast_typed.expression) -> eval exp env)
-        expl in
-      ok @@ V_List expl'
-    | E_set expl ->
-      let%bind expl' = bind_map_list
-        (fun (exp:Ast_typed.expression) -> eval exp env)
-        (List.sort_uniq compare expl)
-      in
-      ok @@ V_Set expl'
     | E_literal l ->
       eval_literal l
     | E_variable var ->
@@ -378,9 +365,6 @@ and eval : Ast_typed.expression -> env -> value result
     )
     | E_recursive {fun_name; fun_type=_; lambda} ->
       ok @@ V_Func_rec (fun_name, lambda.binder, lambda.result, env)
-    | E_look_up _ ->
-      let serr = Format.asprintf "Unsupported construct :\n %a\n" Ast_typed.PP.expression term in
-      simple_fail serr
 
 let dummy : Ast_typed.program -> string result =
   fun prg ->

src/passes/10-transpiler/transpiler.ml

@@ -141,6 +141,8 @@ let rec transpile_type (t:AST.type_expression) : type_value result =
   | T_operator (TC_big_map (key,value)) ->
       let%bind kv' = bind_map_pair transpile_type (key, value) in
       ok (T_big_map kv')
+  | T_operator (TC_map_or_big_map (_,_)) ->
+      fail @@ corner_case ~loc:"transpiler" "TC_map_or_big_map should have been resolved before transpilation"
   | T_operator (TC_list t) ->
       let%bind t' = transpile_type t in
       ok (T_list t')
@@ -234,7 +236,6 @@ and tree_of_sum : AST.type_expression -> (AST.constructor' * AST.type_expression
 and transpile_annotated_expression (ae:AST.expression) : expression result =
   let%bind tv = transpile_type ae.type_expression in
   let return ?(tv = tv) expr = ok @@ Combinators.Expression.make_tpl (expr, tv) in
-  let f = transpile_annotated_expression in
   let info =
     let title () = "translating expression" in
     let content () = Format.asprintf "%a" Location.pp ae.location in
@@ -391,58 +392,6 @@ and transpile_annotated_expression (ae:AST.expression) : expression result =
     transpile_lambda l io
   | E_recursive r ->
     transpile_recursive r
-  | E_list lst -> (
-      let%bind t =
-        trace_strong (corner_case ~loc:__LOC__ "not a list") @@
-        get_t_list tv in
-      let%bind lst' = bind_map_list (transpile_annotated_expression) lst in
-      let aux : expression -> expression -> expression result = fun prev cur ->
-        return @@ E_constant {cons_name=C_CONS;arguments=[cur ; prev]} in
-      let%bind (init : expression) = return @@ E_make_empty_list t in
-      bind_fold_right_list aux init lst'
-    )
-  | E_set lst -> (
-      let%bind t =
-        trace_strong (corner_case ~loc:__LOC__ "not a set") @@
-        get_t_set tv in
-      let%bind lst' = bind_map_list (transpile_annotated_expression) lst in
-      let aux : expression -> expression -> expression result = fun prev cur ->
-        return @@ E_constant {cons_name=C_SET_ADD;arguments=[cur ; prev]} in
-      let%bind (init : expression) = return @@ E_make_empty_set t in
-      bind_fold_list aux init lst'
-    )
-  | E_map m -> (
-      let%bind (src, dst) =
-        trace_strong (corner_case ~loc:__LOC__ "not a map") @@
-        Mini_c.Combinators.get_t_map tv in
-      let aux : expression result -> (AST.expression * AST.expression) -> expression result = fun prev (k, v) ->
-        let%bind prev' = prev in
-        let%bind (k', v') =
-          let v' = e_a_some v ae.environment in
-          bind_map_pair (transpile_annotated_expression) (k , v') in
-        return @@ E_constant {cons_name=C_UPDATE;arguments=[k' ; v' ; prev']}
-      in
-      let init = return @@ E_make_empty_map (src, dst) in
-      List.fold_left aux init m
-    )
-  | E_big_map m -> (
-      let%bind (src, dst) =
-        trace_strong (corner_case ~loc:__LOC__ "not a map") @@
-        Mini_c.Combinators.get_t_big_map tv in
-      let aux : expression result -> (AST.expression * AST.expression) -> expression result = fun prev (k, v) ->
-        let%bind prev' = prev in
-        let%bind (k', v') =
-          let v' = e_a_some v ae.environment in
-          bind_map_pair (transpile_annotated_expression) (k , v') in
-        return @@ E_constant {cons_name=C_UPDATE;arguments=[k' ; v' ; prev']}
-      in
-      let init = return @@ E_make_empty_big_map (src, dst) in
-      List.fold_left aux init m
-    )
-  | E_look_up dsi -> (
-      let%bind (ds', i') = bind_map_pair f dsi in
-      return @@ E_constant {cons_name=C_MAP_FIND_OPT;arguments=[i' ; ds']}
-    )
   | E_matching {matchee=expr; cases=m} -> (
       let%bind expr' = transpile_annotated_expression expr in
       match m with

src/passes/10-transpiler/untranspiler.ml

@@ -151,29 +151,41 @@ let rec untranspile (v : value) (t : AST.type_expression) : AST.expression resul
             ok (e_a_empty_some s')
       )
     | TC_map (k_ty,v_ty)-> (
-        let%bind lst =
+        let%bind map =
           trace_strong (wrong_mini_c_value "map" v) @@
           get_map v in
-        let%bind lst' =
+        let%bind map' =
           let aux = fun (k, v) ->
             let%bind k' = untranspile k k_ty in
             let%bind v' = untranspile v v_ty in
             ok (k', v') in
-          bind_map_list aux lst in
+          bind_map_list aux map in
-        return (E_map lst')
+        let map' = List.sort_uniq compare map' in
+        let aux = fun prev (k, v) ->
+          let (k', v') = (k , v ) in
+          return @@ E_constant {cons_name=C_MAP_ADD;arguments=[k' ; v' ; prev]}
+        in
+        let%bind init = return @@ E_constant {cons_name=C_MAP_EMPTY;arguments=[]} in
+        bind_fold_right_list aux init map'
       )
     | TC_big_map (k_ty, v_ty) -> (
-        let%bind lst =
+        let%bind big_map =
           trace_strong (wrong_mini_c_value "big_map" v) @@
           get_big_map v in
-        let%bind lst' =
+        let%bind big_map' =
           let aux = fun (k, v) ->
             let%bind k' = untranspile k k_ty in
             let%bind v' = untranspile v v_ty in
             ok (k', v') in
-          bind_map_list aux lst in
+          bind_map_list aux big_map in
-        return (E_big_map lst')
+        let big_map' = List.sort_uniq compare big_map' in
+        let aux = fun prev (k, v) ->
+          return @@ E_constant {cons_name=C_MAP_ADD;arguments=[k ; v ; prev]}
+        in
+        let%bind init = return @@ E_constant {cons_name=C_BIG_MAP_EMPTY;arguments=[]} in
+        bind_fold_right_list aux init big_map'
       )
+    | TC_map_or_big_map (_, _) -> fail @@ corner_case ~loc:"untranspiler" "TC_map_or_big_map t should not be present in mini-c"
     | TC_list ty -> (
         let%bind lst =
           trace_strong (wrong_mini_c_value "list" v) @@
@@ -181,7 +193,10 @@ let rec untranspile (v : value) (t : AST.type_expression) : AST.expression resul
         let%bind lst' =
           let aux = fun e -> untranspile e ty in
           bind_map_list aux lst in
-        return (E_list lst')
+        let aux = fun prev cur ->
+          return @@ E_constant {cons_name=C_CONS;arguments=[cur ; prev]} in
+        let%bind init  = return @@ E_constant {cons_name=C_LIST_EMPTY;arguments=[]} in
+        bind_fold_right_list aux init lst'
       )
     | TC_arrow _ -> (
         let%bind n =
@@ -196,7 +211,11 @@ let rec untranspile (v : value) (t : AST.type_expression) : AST.expression resul
         let%bind lst' =
           let aux = fun e -> untranspile e ty in
           bind_map_list aux lst in
-        return (E_set lst')
+        let lst' = List.sort_uniq compare lst' in
+        let aux = fun prev cur ->
+          return @@ E_constant {cons_name=C_SET_ADD;arguments=[cur ; prev]} in
+        let%bind init = return @@ E_constant {cons_name=C_SET_EMPTY;arguments=[]} in
+        bind_fold_list aux init lst'
       )
     | TC_contract _ ->
       fail @@ bad_untranspile "contract" v

src/passes/11-self_mini_c/helpers.ml

@@ -25,12 +25,6 @@ let rec fold_expression : 'a folder -> 'a -> expression -> 'a result = fun f ini
   let%bind init' = f init e in
   match e.content with
   | E_variable _ | E_skip | E_make_none _
-  | E_make_empty_map _
-  | E_make_empty_big_map _
-  | E_make_empty_list _
-  | E_make_empty_set _ -> (
-    ok init'
-  )
   | E_literal _ -> ok init'
   | E_constant (c) -> (
       let%bind res = bind_fold_list self init' c.arguments in
@@ -94,10 +88,7 @@ let rec map_expression : mapper -> expression -> expression result = fun f e ->
   let return content = ok { e' with content } in
   match e'.content with
   | E_variable _ | E_literal _ | E_skip | E_make_none _
-  | E_make_empty_map _
+    as em -> return em
-  | E_make_empty_big_map _
-  | E_make_empty_list _
-  | E_make_empty_set _ as em -> return em
   | E_constant (c) -> (
       let%bind lst = bind_map_list self c.arguments in
       return @@ E_constant {cons_name = c.cons_name; arguments = lst}

src/passes/11-self_mini_c/self_mini_c.ml

@@ -47,10 +47,6 @@ let rec is_pure : expression -> bool = fun e ->
   | E_closure _
   | E_skip
   | E_variable _
-  | E_make_empty_map _
-  | E_make_empty_big_map _
-  | E_make_empty_list _
-  | E_make_empty_set _
   | E_make_none _
     -> true
 

src/passes/11-self_mini_c/subst.ml

@@ -40,10 +40,6 @@ let rec replace : expression -> var_name -> var_name -> expression =
   | E_variable z ->
     let z = replace_var z in
     return @@ E_variable z
-  | E_make_empty_map _ -> e
-  | E_make_empty_big_map _ -> e
-  | E_make_empty_list _ -> e
-  | E_make_empty_set _ -> e
   | E_make_none _ -> e
   | E_iterator (name, ((v, tv), body), expr) ->
     let body = replace body in
@@ -175,10 +171,7 @@ let rec subst_expression : body:expression -> x:var_name -> expr:expression -> e
   )
   (* All that follows is boilerplate *)
   | E_literal _ | E_skip | E_make_none _
-  | E_make_empty_map (_,_)
+    as em -> return em
-  | E_make_empty_big_map _
-  | E_make_empty_list _
-  | E_make_empty_set _ as em -> return em
   | E_constant (c) -> (
       let lst = List.map self c.arguments in
       return @@ E_constant {cons_name = c.cons_name; arguments = lst }

src/passes/12-compiler/compiler_program.ml

@@ -66,10 +66,25 @@ let rec get_operator : constant' -> type_value -> expression list -> predicate r
           let%bind m_ty = Compiler_type.type_ ty in
           ok @@ simple_unary @@ prim ~children:[m_ty] I_RIGHT
       )
+      | C_LIST_EMPTY -> (
+          let%bind ty' = Mini_c.get_t_list ty in
+          let%bind m_ty = Compiler_type.type_ ty' in
+          ok @@ simple_constant @@ i_nil m_ty
+        )
       | C_SET_EMPTY -> (
           let%bind ty' = Mini_c.get_t_set ty in
           let%bind m_ty = Compiler_type.type_ ty' in
-          ok @@ simple_constant @@ prim ~children:[m_ty] I_EMPTY_SET
+          ok @@ simple_constant @@ i_empty_set m_ty
+        )
+      | C_MAP_EMPTY -> (
+          let%bind sd = Mini_c.get_t_map ty in
+          let%bind (src, dst) = bind_map_pair Compiler_type.type_ sd in
+          ok @@ simple_constant @@ i_empty_map src dst
+        )
+      | C_BIG_MAP_EMPTY -> (
+          let%bind sd = Mini_c.get_t_big_map ty in
+          let%bind (src, dst) = bind_map_pair Compiler_type.type_ sd in
+          ok @@ simple_constant @@ i_empty_big_map src dst
         )
       | C_BYTES_UNPACK -> (
           let%bind ty' = Mini_c.get_t_option ty in
@@ -297,18 +312,6 @@ and translate_expression (expr:expression) (env:environment) : michelson result
         error title content in
       trace error @@
       return code
-  | E_make_empty_map sd ->
-      let%bind (src, dst) = bind_map_pair Compiler_type.type_ sd in
-      return @@ i_empty_map src dst
-  | E_make_empty_big_map sd ->
-      let%bind (src, dst) = bind_map_pair Compiler_type.type_ sd in
-      return @@ i_empty_big_map src dst
-  | E_make_empty_list t ->
-      let%bind t' = Compiler_type.type_ t in
-      return @@ i_nil t'
-  | E_make_empty_set t ->
-      let%bind t' = Compiler_type.type_ t in
-      return @@ i_empty_set t'
   | E_make_none o ->
       let%bind o' = Compiler_type.type_ o in
       return @@ i_none o'

src/passes/4-imperative_to_sugar/imperative_to_sugar.ml

@@ -154,6 +154,9 @@ and compile_type_operator : I.type_operator -> O.type_operator result =
     | TC_big_map (k,v) ->
       let%bind (k,v) = bind_map_pair compile_type_expression (k,v) in
       ok @@ O.TC_big_map (k,v)
+    | TC_map_or_big_map (k,v) ->
+      let%bind (k,v) = bind_map_pair compile_type_expression (k,v) in
+      ok @@ O.TC_map_or_big_map (k,v)
     | TC_arrow (i,o) ->
       let%bind (i,o) = bind_map_pair compile_type_expression (i,o) in
       ok @@ O.TC_arrow (i,o)
@@ -569,6 +572,9 @@ and uncompile_type_operator : O.type_operator -> I.type_operator result =
     | TC_big_map (k,v) ->
       let%bind (k,v) = bind_map_pair uncompile_type_expression (k,v) in
       ok @@ I.TC_big_map (k,v)
+    | TC_map_or_big_map (k,v) ->
+      let%bind (k,v) = bind_map_pair uncompile_type_expression (k,v) in
+      ok @@ I.TC_map_or_big_map (k,v)
     | TC_arrow (i,o) ->
       let%bind (i,o) = bind_map_pair uncompile_type_expression (i,o) in
       ok @@ I.TC_arrow (i,o)

src/passes/6-sugar_to_core/sugar_to_core.ml

@@ -55,6 +55,9 @@ and idle_type_operator : I.type_operator -> O.type_operator result =
     | TC_big_map (k,v) ->
       let%bind (k,v) = bind_map_pair idle_type_expression (k,v) in
       ok @@ O.TC_big_map (k,v)
+    | TC_map_or_big_map (k,v) ->
+      let%bind (k,v) = bind_map_pair idle_type_expression (k,v) in
+      ok @@ O.TC_map_or_big_map (k,v)
     | TC_arrow (i,o) ->
       let%bind (i,o) = bind_map_pair idle_type_expression (i,o) in
       ok @@ O.TC_arrow (i,o)
@@ -108,27 +111,41 @@ let rec compile_expression : I.expression -> O.expression result =
       let%bind record = compile_expression record in
       let%bind update = compile_expression update in
       return @@ O.E_record_update {record;path;update}
-    | I.E_map map ->
+    | I.E_map map -> (
-      let%bind map = bind_map_list (
+      let map = List.sort_uniq compare map in
-        bind_map_pair compile_expression
+      let aux = fun prev (k, v) ->
-      ) map
+        let%bind (k', v') = bind_map_pair (compile_expression) (k, v) in
+        return @@ E_constant {cons_name=C_MAP_ADD;arguments=[k' ; v' ; prev]}
       in
-      return @@ O.E_map map
+      let%bind init = return @@ E_constant {cons_name=C_MAP_EMPTY;arguments=[]} in
-    | I.E_big_map big_map ->
+      bind_fold_right_list aux init map
-      let%bind big_map = bind_map_list (
+    )
-        bind_map_pair compile_expression
+    | I.E_big_map big_map -> (
-      ) big_map
+      let big_map = List.sort_uniq compare big_map in
+      let aux = fun prev (k, v) ->
+        let%bind (k', v') = bind_map_pair (compile_expression) (k, v) in
+        return @@ E_constant {cons_name=C_MAP_ADD;arguments=[k' ; v' ; prev]}
       in
-      return @@ O.E_big_map big_map
+      let%bind init = return @@ E_constant {cons_name=C_BIG_MAP_EMPTY;arguments=[]} in
+      bind_fold_right_list aux init big_map
+    )
     | I.E_list lst ->
-      let%bind lst = bind_map_list compile_expression lst in
+      let%bind lst' = bind_map_list (compile_expression) lst in
-      return @@ O.E_list lst
+      let aux = fun prev cur ->
-    | I.E_set set ->
+        return @@ E_constant {cons_name=C_CONS;arguments=[cur ; prev]} in
-      let%bind set = bind_map_list compile_expression set in
+      let%bind init  = return @@ E_constant {cons_name=C_LIST_EMPTY;arguments=[]} in
-      return @@ O.E_set set 
+      bind_fold_right_list aux init lst'
+    | I.E_set set -> (
+      let%bind lst' = bind_map_list (compile_expression) set in
+      let lst' = List.sort_uniq compare lst' in
+      let aux = fun prev cur ->
+        return @@ E_constant {cons_name=C_SET_ADD;arguments=[cur ; prev]} in
+      let%bind init = return @@ E_constant {cons_name=C_SET_EMPTY;arguments=[]} in
+      bind_fold_list aux init lst'
+      )
     | I.E_look_up look_up ->
-      let%bind look_up = bind_map_pair compile_expression look_up in
+      let%bind (path, index) = bind_map_pair compile_expression look_up in
-      return @@ O.E_look_up look_up
+      return @@ O.E_constant {cons_name=C_MAP_FIND_OPT;arguments=[index;path]}
     | I.E_ascription {anno_expr; type_annotation} ->
       let%bind anno_expr = compile_expression anno_expr in
       let%bind type_annotation = idle_type_expression type_annotation in
@@ -244,6 +261,9 @@ and uncompile_type_operator : O.type_operator -> I.type_operator result =
     | TC_big_map (k,v) ->
       let%bind (k,v) = bind_map_pair uncompile_type_expression (k,v) in
       ok @@ I.TC_big_map (k,v)
+    | TC_map_or_big_map (k,v) ->
+      let%bind (k,v) = bind_map_pair uncompile_type_expression (k,v) in
+      ok @@ I.TC_map_or_big_map (k,v)
     | TC_arrow (i,o) ->
       let%bind (i,o) = bind_map_pair uncompile_type_expression (i,o) in
       ok @@ I.TC_arrow (i,o)
@@ -301,27 +321,6 @@ let rec uncompile_expression : O.expression -> I.expression result =
     let%bind record = uncompile_expression record in
     let%bind update = uncompile_expression update in
     return @@ I.E_record_update {record;path;update}
-  | O.E_map map ->
-    let%bind map = bind_map_list (
-      bind_map_pair uncompile_expression
-    ) map
-    in
-    return @@ I.E_map map
-  | O.E_big_map big_map ->
-    let%bind big_map = bind_map_list (
-      bind_map_pair uncompile_expression
-    ) big_map
-    in
-    return @@ I.E_big_map big_map
-  | O.E_list lst ->
-    let%bind lst = bind_map_list uncompile_expression lst in
-    return @@ I.E_list lst
-  | O.E_set set ->
-    let%bind set = bind_map_list uncompile_expression set in
-    return @@ I.E_set set 
-  | O.E_look_up look_up ->
-    let%bind look_up = bind_map_pair uncompile_expression look_up in
-    return @@ I.E_look_up look_up
   | O.E_ascription {anno_expr; type_annotation} ->
     let%bind anno_expr = uncompile_expression anno_expr in
     let%bind type_annotation = uncompile_type_expression type_annotation in

src/passes/8-typer-new/solver.ml

@@ -70,6 +70,7 @@ module Wrap = struct
           | TC_set s               -> (C_set, [s])
           | TC_map ( k , v )       -> (C_map, [k;v])
           | TC_big_map ( k , v)    -> (C_big_map, [k;v])
+          | TC_map_or_big_map ( k , v)    -> (C_map, [k;v])
           | TC_arrow ( arg , ret ) -> (C_arrow, [ arg ; ret ])
           | TC_list l              -> (C_list, [l])
           | TC_contract c          -> (C_contract, [c])
@@ -103,6 +104,7 @@ module Wrap = struct
           | TC_set  s              -> (C_set    , [s])
           | TC_map  ( k , v )      -> (C_map    , [k;v])
           | TC_big_map  ( k , v )  -> (C_big_map, [k;v])
+          | TC_map_or_big_map ( k , v)    -> (C_map, [k;v])
           | TC_contract c          -> (C_contract, [c])
           | TC_arrow ( arg , ret ) -> (C_arrow, [ arg ; ret ])
       )

src/passes/8-typer-new/typer.ml

@@ -163,7 +163,6 @@ end
 
 open Errors
 
-let swap (a,b) = ok (b,a)
 (*
 let rec type_program (p:I.program) : O.program result =
   let aux (e, acc:(environment * O.declaration Location.wrap list)) (d:I.declaration Location.wrap) =
@@ -346,6 +345,10 @@ and evaluate_type (e:environment) (t:I.type_expression) : O.type_expression resu
             let%bind k = evaluate_type e k in 
             let%bind v = evaluate_type e v in 
             ok @@ O.TC_big_map (k,v) 
+        | TC_map_or_big_map (k,v) ->
+            let%bind k = evaluate_type e k in 
+            let%bind v = evaluate_type e v in 
+            ok @@ O.TC_map_or_big_map (k,v) 
         | TC_contract c ->
             let%bind c = evaluate_type e c in
             ok @@ O.TC_contract c
@@ -503,140 +506,6 @@ and type_expression : environment -> Solver.state -> ?tv_opt:O.type_expression -
     return_wrapped (E_record_update {record; path; update}) state (Wrap.record wrapped)
   (* Data-structure *)
 
-(*
-  | E_list lst ->
-    let%bind lst' = bind_map_list (type_expression e) lst in
-    let%bind tv =
-      let aux opt c =
-        match opt with
-        | None -> ok (Some c)
-        | Some c' ->
-          let%bind _eq = Ast_typed.assert_type_value_eq (c, c') in
-          ok (Some c') in
-      let%bind init = match tv_opt with
-        | None -> ok None
-        | Some ty ->
-          let%bind ty' = get_t_list ty in
-          ok (Some ty') in
-      let%bind ty =
-        let%bind opt = bind_fold_list aux init
-          @@ List.map get_type_annotation lst' in
-        trace_option (needs_annotation ae "empty list") opt in
-      ok (t_list ty ())
-    in
-    return (E_list lst') tv
-  | E_set lst ->
-    let%bind lst' = bind_map_list (type_expression e) lst in
-    let%bind tv =
-      let aux opt c =
-        match opt with
-        | None -> ok (Some c)
-        | Some c' ->
-          let%bind _eq = Ast_typed.assert_type_value_eq (c, c') in
-          ok (Some c') in
-      let%bind init = match tv_opt with
-        | None -> ok None
-        | Some ty ->
-          let%bind ty' = get_t_set ty in
-          ok (Some ty') in
-      let%bind ty =
-        let%bind opt = bind_fold_list aux init
-          @@ List.map get_type_annotation lst' in
-        trace_option (needs_annotation ae "empty set") opt in
-      ok (t_set ty ())
-    in
-    return (E_set lst') tv
-  | E_map lst ->
-    let%bind lst' = bind_map_list (bind_map_pair (type_expression e)) lst in
-    let%bind tv =
-      let aux opt c =
-        match opt with
-        | None -> ok (Some c)
-        | Some c' ->
-          let%bind _eq = Ast_typed.assert_type_value_eq (c, c') in
-          ok (Some c') in
-      let%bind key_type =
-        let%bind sub =
-          bind_fold_list aux None
-          @@ List.map get_type_annotation
-          @@ List.map fst lst' in
-        let%bind annot = bind_map_option get_t_map_key tv_opt in
-        trace (simple_info "empty map expression without a type annotation") @@
-        O.merge_annotation annot sub (needs_annotation ae "this map literal")
-      in
-      let%bind value_type =
-        let%bind sub =
-          bind_fold_list aux None
-          @@ List.map get_type_annotation
-          @@ List.map snd lst' in
-        let%bind annot = bind_map_option get_t_map_value tv_opt in
-        trace (simple_info "empty map expression without a type annotation") @@
-        O.merge_annotation annot sub (needs_annotation ae "this map literal")
-      in
-      ok (t_map key_type value_type ())
-    in
-    return (E_map lst') tv
-*)
-
-  | E_list lst ->
-    let%bind (state', lst') =
-      bind_fold_map_list (fun state' elt -> type_expression e state' elt >>? swap) state lst in
-    let wrapped = Wrap.list (List.map (fun x -> O.(x.type_expression)) lst') in
-    return_wrapped (E_list lst') state' wrapped
-  | E_set set ->
-    let aux = fun state' elt -> type_expression e state' elt >>? swap in
-    let%bind (state', set') =
-      bind_fold_map_list aux state set in
-    let wrapped = Wrap.set (List.map (fun x -> O.(x.type_expression)) set') in
-    return_wrapped (E_set set') state' wrapped
-  | E_map map ->
-    let aux' state' elt = type_expression e state' elt >>? swap in
-    let aux = fun state' elt -> bind_fold_map_pair aux' state' elt in
-    let%bind (state', map') =
-      bind_fold_map_list aux state map in
-    let aux (x, y) = O.(x.type_expression , y.type_expression) in
-    let wrapped = Wrap.map (List.map aux map') in
-    return_wrapped (E_map map') state' wrapped
-
-  (* | E_big_map lst ->
-   *   let%bind lst' = bind_map_list (bind_map_pair (type_expression e)) lst in
-   *   let%bind tv =
-   *     let aux opt c =
-   *       match opt with
-   *       | None -> ok (Some c)
-   *       | Some c' ->
-   *         let%bind _eq = Ast_typed.assert_type_value_eq (c, c') in
-   *         ok (Some c') in
-   *     let%bind key_type =
-   *       let%bind sub =
-   *         bind_fold_list aux None
-   *         @@ List.map get_type_annotation
-   *         @@ List.map fst lst' in
-   *       let%bind annot = bind_map_option get_t_big_map_key tv_opt in
-   *       trace (simple_info "empty map expression without a type annotation") @@
-   *       O.merge_annotation annot sub (needs_annotation ae "this map literal")
-   *     in
-   *     let%bind value_type =
-   *       let%bind sub =
-   *         bind_fold_list aux None
-   *         @@ List.map get_type_annotation
-   *         @@ List.map snd lst' in
-   *       let%bind annot = bind_map_option get_t_big_map_value tv_opt in
-   *       trace (simple_info "empty map expression without a type annotation") @@
-   *       O.merge_annotation annot sub (needs_annotation ae "this map literal")
-   *     in
-   *     ok (t_big_map key_type value_type ())
-   *   in
-   *   return (E_big_map lst') tv *)
-  | E_big_map big_map ->
-    let aux' state' elt = type_expression e state' elt >>? swap in
-    let aux = fun state' elt -> bind_fold_map_pair aux' state' elt in
-    let%bind (state', big_map') =
-      bind_fold_map_list aux state big_map in
-    let aux (x, y) = O.(x.type_expression , y.type_expression) in
-    let wrapped = Wrap.big_map (List.map aux big_map') in
-    return_wrapped (E_big_map big_map') state' wrapped
-
   (* | E_lambda {
    *     binder ;
    *     input_type ;
@@ -685,17 +554,6 @@ and type_expression : environment -> Solver.state -> ?tv_opt:O.type_expression -
     let wrapped = Wrap.application f'.type_expression args.type_expression in
     return_wrapped (E_application {lamb=f';args}) state'' wrapped
 
-  (* | E_look_up dsi ->
-   *   let%bind (ds, ind) = bind_map_pair (type_expression e) dsi in
-   *   let%bind (src, dst) = bind_map_or (get_t_map , get_t_big_map) ds.type_annotation in
-   *   let%bind _ = O.assert_type_value_eq (ind.type_annotation, src) in
-   *   return (E_look_up (ds , ind)) (t_option dst ()) *)
-
-  | E_look_up dsi ->
-    let aux' state' elt = type_expression e state' elt >>? swap in
-    let%bind (state'' , (ds , ind)) = bind_fold_map_pair aux' state dsi in
-    let wrapped = Wrap.look_up ds.type_expression ind.type_expression in
-    return_wrapped (E_look_up (ds , ind)) state'' wrapped
 
   (* Advanced *)
   (* | E_matching (ex, m) -> (
@@ -983,6 +841,10 @@ let rec untype_type_expression (t:O.type_expression) : (I.type_expression) resul
          let%bind k = untype_type_expression k in
          let%bind v = untype_type_expression v in
          ok @@ I.TC_big_map (k,v)
+      | O.TC_map_or_big_map (k,v) ->     
+         let%bind k = untype_type_expression k in
+         let%bind v = untype_type_expression v in
+         ok @@ I.TC_map_or_big_map (k,v)
       | O.TC_arrow ( arg , ret ) ->
          let%bind arg' = untype_type_expression arg in
          let%bind ret' = untype_type_expression ret in
@@ -1064,21 +926,6 @@ let rec untype_expression (e:O.expression) : (I.expression) result =
     let%bind e = untype_expression update in 
     let Label l = path in
     return (e_update r' l e)
-  | E_map m ->
-    let%bind m' = bind_map_list (bind_map_pair untype_expression) m in
-    return (e_map m')
-  | E_big_map m ->
-    let%bind m' = bind_map_list (bind_map_pair untype_expression) m in
-    return (e_big_map m')
-  | E_list lst ->
-    let%bind lst' = bind_map_list untype_expression lst in
-    return (e_list lst')
-  | E_set lst ->
-    let%bind lst' = bind_map_list untype_expression lst in
-    return (e_set lst')
-  | E_look_up dsi ->
-    let%bind (a , b) = bind_map_pair untype_expression dsi in
-    return (e_look_up a b)
   | E_matching {matchee;cases} ->
     let%bind ae' = untype_expression matchee in
     let%bind m' = untype_matching untype_expression cases in

src/passes/8-typer-old/typer.ml

@@ -381,6 +381,10 @@ and evaluate_type (e:environment) (t:I.type_expression) : O.type_expression resu
             let%bind k = evaluate_type e k in 
             let%bind v = evaluate_type e v in 
             ok @@ O.TC_big_map (k,v) 
+        | TC_map_or_big_map (k,v) ->
+            let%bind k = evaluate_type e k in 
+            let%bind v = evaluate_type e v in 
+            ok @@ O.TC_map_or_big_map (k,v) 
         | TC_arrow ( arg , ret ) ->
             let%bind arg' = evaluate_type e arg in
             let%bind ret' = evaluate_type e ret in
@@ -511,108 +515,6 @@ and type_expression' : environment -> ?tv_opt:O.type_expression -> I.expression
     let%bind () = O.assert_type_expression_eq (tv, get_type_expression update) in
     return (E_record_update {record; path; update}) wrapped
   (* Data-structure *)
-  | E_list lst ->
-      let%bind lst' = bind_map_list (type_expression' e) lst in
-      let%bind tv =
-        let aux opt c =
-          match opt with
-          | None -> ok (Some c)
-          | Some c' ->
-              let%bind _eq = Ast_typed.assert_type_expression_eq (c, c') in
-              ok (Some c') in
-        let%bind init = match tv_opt with
-          | None -> ok None
-          | Some ty ->
-              let%bind ty' = get_t_list ty in
-              ok (Some ty') in
-        let%bind ty =
-          let%bind opt = bind_fold_list aux init
-          @@ List.map get_type_expression lst' in
-          trace_option (needs_annotation ae "empty list") opt in
-        ok (t_list ty ())
-      in
-      return (E_list lst') tv
-  | E_set lst ->
-      let%bind lst' = bind_map_list (type_expression' e) lst in
-      let%bind tv =
-        let aux opt c =
-          match opt with
-          | None -> ok (Some c)
-          | Some c' ->
-              let%bind _eq = Ast_typed.assert_type_expression_eq (c, c') in
-              ok (Some c') in
-        let%bind init = match tv_opt with
-          | None -> ok None
-          | Some ty ->
-              let%bind ty' = get_t_set ty in
-              ok (Some ty') in
-        let%bind ty =
-          let%bind opt = bind_fold_list aux init
-          @@ List.map get_type_expression lst' in
-          trace_option (needs_annotation ae "empty set") opt in
-        ok (t_set ty ())
-      in
-      return (E_set lst') tv
-  | E_map lst ->
-      let%bind lst' = bind_map_list (bind_map_pair (type_expression' e)) lst in
-      let%bind tv =
-        let aux opt c =
-          match opt with
-          | None -> ok (Some c)
-          | Some c' ->
-              let%bind _eq = Ast_typed.assert_type_expression_eq (c, c') in
-              ok (Some c') in
-        let%bind key_type =
-          let%bind sub =
-            bind_fold_list aux None
-            @@ List.map get_type_expression
-            @@ List.map fst lst' in
-          let%bind annot = bind_map_option get_t_map_key tv_opt in
-          trace (simple_info "empty map expression without a type annotation") @@
-          O.merge_annotation annot sub (needs_annotation ae "this map literal")
-        in
-        let%bind value_type =
-          let%bind sub =
-            bind_fold_list aux None
-            @@ List.map get_type_expression
-            @@ List.map snd lst' in
-          let%bind annot = bind_map_option get_t_map_value tv_opt in
-          trace (simple_info "empty map expression without a type annotation") @@
-          O.merge_annotation annot sub (needs_annotation ae "this map literal")
-        in
-        ok (t_map key_type value_type ())
-      in
-      return (E_map lst') tv
-  | E_big_map lst ->
-      let%bind lst' = bind_map_list (bind_map_pair (type_expression' e)) lst in
-      let%bind tv =
-        let aux opt c =
-          match opt with
-          | None -> ok (Some c)
-          | Some c' ->
-              let%bind _eq = Ast_typed.assert_type_expression_eq (c, c') in
-              ok (Some c') in
-        let%bind key_type =
-          let%bind sub =
-            bind_fold_list aux None
-            @@ List.map get_type_expression
-            @@ List.map fst lst' in
-          let%bind annot = bind_map_option get_t_big_map_key tv_opt in
-          trace (simple_info "empty map expression without a type annotation") @@
-          O.merge_annotation annot sub (needs_annotation ae "this map literal")
-        in
-        let%bind value_type =
-          let%bind sub =
-            bind_fold_list aux None
-            @@ List.map get_type_expression
-            @@ List.map snd lst' in
-          let%bind annot = bind_map_option get_t_big_map_value tv_opt in
-          trace (simple_info "empty map expression without a type annotation") @@
-          O.merge_annotation annot sub (needs_annotation ae "this map literal")
-        in
-        ok (t_big_map key_type value_type ())
-      in
-      return (E_big_map lst') tv
   | E_lambda lambda -> 
    let%bind (lambda, lambda_type) = type_lambda e lambda in
    return (E_lambda lambda ) lambda_type
@@ -682,6 +584,35 @@ and type_expression' : environment -> ?tv_opt:O.type_expression -> I.expression
       let%bind (name', tv) =
         type_constant cons_name tv_lst tv_opt in
       return (E_constant {cons_name=name';arguments=lst'}) tv
+  | E_constant {cons_name=C_SET_ADD|C_CONS as cst;arguments=[key;set]} ->
+      let%bind key' =  type_expression' e key in
+      let tv_key = get_type_expression key' in
+      let tv = match tv_opt with 
+          Some tv -> tv 
+        | None -> match cst with 
+            C_SET_ADD -> t_set tv_key ()
+          | C_CONS -> t_list tv_key ()
+          | _ -> failwith "Only C_SET_ADD and C_CONS are possible because those were the two cases matched above"
+      in
+      let%bind set' =  type_expression' e ~tv_opt:tv set in
+      let tv_set = get_type_expression set' in 
+      let tv_lst = [tv_key;tv_set] in
+      let%bind (name', tv) = type_constant cst tv_lst tv_opt in
+      return (E_constant {cons_name=name';arguments=[key';set']}) tv
+  | E_constant {cons_name=C_MAP_ADD as cst; arguments=[key;value;map]} ->
+      let%bind key' = type_expression' e key in
+      let%bind val' = type_expression' e value in
+      let tv_key = get_type_expression key' in
+      let tv_val = get_type_expression val' in
+      let tv = match tv_opt with 
+          Some tv -> tv 
+        | None -> t_map_or_big_map tv_key tv_val ()
+      in
+      let%bind map' =  type_expression' e ~tv_opt:tv map in
+      let tv_map = get_type_expression map' in 
+      let tv_lst = [tv_key;tv_val;tv_map] in
+      let%bind (name', tv) = type_constant cst tv_lst tv_opt in
+      return (E_constant {cons_name=name';arguments=[key';val';map']}) tv
   | E_constant {cons_name;arguments} ->
       let%bind lst' = bind_list @@ List.map (type_expression' e) arguments in
       let tv_lst = List.map get_type_expression lst' in
@@ -703,11 +634,6 @@ and type_expression' : environment -> ?tv_opt:O.type_expression -> I.expression
             lamb'.location
       in
       return (E_application {lamb=lamb'; args=args'}) tv
-  | E_look_up dsi ->
-      let%bind (ds, ind) = bind_map_pair (type_expression' e) dsi in
-      let%bind (src, dst) = bind_map_or (get_t_map , get_t_big_map) ds.type_expression in
-      let%bind _ = O.assert_type_expression_eq (ind.type_expression, src) in
-      return (E_look_up (ds , ind)) (t_option dst ())
   (* Advanced *)
   | E_matching {matchee;cases} -> (
       let%bind ex' = type_expression' e matchee in
@@ -870,21 +796,6 @@ let rec untype_expression (e:O.expression) : (I.expression) result =
     let%bind e = untype_expression e in 
     let Label l = l in
     return (e_update r' l e)
-  | E_map m ->
-      let%bind m' = bind_map_list (bind_map_pair untype_expression) m in
-      return (e_map m')
-  | E_big_map m ->
-      let%bind m' = bind_map_list (bind_map_pair untype_expression) m in
-      return (e_big_map m')
-  | E_list lst ->
-      let%bind lst' = bind_map_list untype_expression lst in
-      return (e_list lst')
-  | E_set lst ->
-      let%bind lst' = bind_map_list untype_expression lst in
-      return (e_set lst')
-  | E_look_up dsi ->
-      let%bind (a , b) = bind_map_pair untype_expression dsi in
-      return (e_look_up a b)
   | E_matching {matchee;cases} ->
       let%bind ae' = untype_expression matchee in
       let%bind m' = untype_matching untype_expression cases in

src/passes/9-self_ast_typed/helpers.ml

@@ -8,17 +8,10 @@ let rec fold_expression : 'a folder -> 'a -> expression -> 'a result = fun f ini
   let%bind init' = f init e in
   match e.expression_content with
   | E_literal _ | E_variable _ -> ok init'
-  | E_list lst | E_set lst | E_constant {arguments=lst} -> (
+  | E_constant {arguments=lst} -> (
     let%bind res = bind_fold_list self init' lst in
     ok res
   )
-  | E_map lst | E_big_map lst -> (
-    let%bind res = bind_fold_list (bind_fold_pair self) init' lst in
-    ok res
-  )
-  | E_look_up ab ->
-      let%bind res = bind_fold_pair self init' ab in
-      ok res
   | E_application {lamb; args} -> (
       let ab = (lamb, args) in
       let%bind res = bind_fold_pair self init' ab in
@@ -93,26 +86,6 @@ let rec map_expression : mapper -> expression -> expression result = fun f e ->
   let%bind e' = f e in
   let return expression_content = ok { e' with expression_content } in
   match e'.expression_content with
-  | E_list lst -> (
-    let%bind lst' = bind_map_list self lst in
-    return @@ E_list lst'
-  )
-  | E_set lst -> (
-    let%bind lst' = bind_map_list self lst in
-    return @@ E_set lst'
-  )
-  | E_map lst -> (
-    let%bind lst' = bind_map_list (bind_map_pair self) lst in
-    return @@ E_map lst'
-  )
-  | E_big_map lst -> (
-    let%bind lst' = bind_map_list (bind_map_pair self) lst in
-    return @@ E_big_map lst'
-  )
-  | E_look_up ab -> (
-      let%bind ab' = bind_map_pair self ab in
-      return @@ E_look_up ab'
-    )
   | E_matching {matchee=e;cases} -> (
       let%bind e' = self e in
       let%bind cases' = map_cases f cases in
@@ -208,26 +181,6 @@ let rec fold_map_expression : 'a fold_mapper -> 'a -> expression -> ('a * expres
   else
   let return expression_content = { e' with expression_content } in
   match e'.expression_content with
-  | E_list lst -> (
-    let%bind (res, lst') = bind_fold_map_list self init' lst in
-    ok (res, return @@ E_list lst')
-  )
-  | E_set lst -> (
-    let%bind (res, lst') = bind_fold_map_list self init' lst in
-    ok (res, return @@ E_set lst')
-  )
-  | E_map lst -> (
-    let%bind (res, lst') = bind_fold_map_list (bind_fold_map_pair self) init' lst in
-    ok (res, return @@ E_map lst')
-  )
-  | E_big_map lst -> (
-    let%bind (res, lst') = bind_fold_map_list (bind_fold_map_pair self) init' lst in
-    ok (res, return @@ E_big_map lst')
-  )
-  | E_look_up ab -> (
-      let%bind (res, ab') = bind_fold_map_pair self init' ab in
-      ok (res, return @@ E_look_up ab')
-    )
   | E_matching {matchee=e;cases} -> (
       let%bind (res, e') = self init' e in
       let%bind (res,cases') = fold_map_cases f res cases in

src/passes/9-self_ast_typed/no_nested_big_map.ml

@@ -21,6 +21,10 @@ let rec check_no_nested_bigmap is_in_bigmap e =
     let%bind _ = check_no_nested_bigmap false key in
     let%bind _ = check_no_nested_bigmap true value in
     ok ()
+  | T_operator (TC_map_or_big_map (key, value)) ->
+    let%bind _ = check_no_nested_bigmap false key in
+    let%bind _ = check_no_nested_bigmap true value in
+    ok ()
   | T_operator (TC_contract t)
   | T_operator (TC_option t)
   | T_operator (TC_list t)

src/passes/9-self_ast_typed/tail_recursion.ml

@@ -56,21 +56,6 @@ let rec check_recursive_call : expression_variable -> bool -> expression -> unit
     let%bind _ = check_recursive_call n false record in
     let%bind _ = check_recursive_call n false update in
     ok ()
-  | E_map eel | E_big_map eel->
-    let aux (e1,e2) = 
-      let%bind _ = check_recursive_call n false e1 in
-      let%bind _ = check_recursive_call n false e2 in
-      ok ()
-    in
-    let%bind _ = bind_map_list aux eel in
-    ok ()
-  | E_list el | E_set el ->
-    let%bind _ = bind_map_list (check_recursive_call n false) el in
-    ok ()
-  | E_look_up (e1,e2) ->
-    let%bind _ = check_recursive_call n false e1 in
-    let%bind _ = check_recursive_call n false e2 in
-    ok ()
 
 and check_recursive_call_in_matching = fun n final_path c ->
   match c with

src/passes/operators/operators.ml

@@ -621,6 +621,20 @@ module Typer = struct
     let%bind () = assert_type_expression_eq (src , k) in
     ok m
 
+  let map_empty = typer_0 "MAP_EMPTY" @@ fun tv_opt ->
+    match tv_opt with
+    | None -> simple_fail "untyped MAP_EMPTY"
+    | Some t -> 
+      let%bind (src, dst) = get_t_map t in
+      ok @@ t_map src dst ()
+
+  let big_map_empty = typer_0 "BIG_MAP_EMPTY" @@ fun tv_opt ->
+    match tv_opt with
+    | None -> simple_fail "untyped BIG_MAP_EMPTY"
+    | Some t -> 
+      let%bind (src, dst) = get_t_big_map t in
+      ok @@ t_big_map src dst ()
+
   let map_add : typer = typer_3 "MAP_ADD" @@ fun k v m ->
     let%bind (src, dst) = bind_map_or (get_t_map , get_t_big_map) m in
     let%bind () = assert_type_expression_eq (src, k) in
@@ -949,6 +963,11 @@ module Typer = struct
     then ok (t_unit ())
     else fail @@ Operator_errors.type_error "bad set iter" key arg ()
 
+  let list_empty = typer_0 "LIST_EMPTY" @@ fun tv_opt ->
+    match tv_opt with
+    | None -> simple_fail "untyped LIST_EMPTY"
+    | Some t -> ok t
+
   let list_iter = typer_2 "LIST_ITER" @@ fun body lst ->
     let%bind (arg , res) = get_t_function body in
     let%bind () = Assert.assert_true (eq_1 res (t_unit ())) in
@@ -1145,7 +1164,6 @@ module Typer = struct
     | C_SLICE               -> ok @@ slice ;
     | C_BYTES_PACK          -> ok @@ bytes_pack ;
     | C_BYTES_UNPACK        -> ok @@ bytes_unpack ;
-    | C_CONS                -> ok @@ cons ;
     (* SET  *)
     | C_SET_EMPTY           -> ok @@ set_empty ;
     | C_SET_ADD             -> ok @@ set_add ;
@@ -1155,10 +1173,14 @@ module Typer = struct
     | C_SET_MEM             -> ok @@ set_mem ;
 
     (* LIST *)
+    | C_CONS                -> ok @@ cons ;
+    | C_LIST_EMPTY          -> ok @@ list_empty ;
     | C_LIST_ITER           -> ok @@ list_iter ;
     | C_LIST_MAP            -> ok @@ list_map ;
     | C_LIST_FOLD           -> ok @@ list_fold ;
     (* MAP *)
+    | C_MAP_EMPTY           -> ok @@ map_empty ;
+    | C_BIG_MAP_EMPTY       -> ok @@ big_map_empty ;
     | C_MAP_ADD             -> ok @@ map_add ;
     | C_MAP_REMOVE          -> ok @@ map_remove ;
     | C_MAP_UPDATE          -> ok @@ map_update ;

src/stages/1-ast_imperative/combinators.ml

@@ -168,8 +168,9 @@ let e_typed_none ?loc t_opt =
   let type_annotation = t_option t_opt in
   e_annotation ?loc (e_none ?loc ()) type_annotation
 
-let e_typed_list ?loc lst t =
+let e_typed_list ?loc lst t = e_annotation ?loc (e_list lst) (t_list t)
-  e_annotation ?loc (e_list lst) (t_list t)
+let e_typed_list_literal ?loc lst t =
+  e_annotation ?loc (e_constant C_LIST_LITERAL lst) (t_list t)
 
 let e_typed_map ?loc lst k v = e_annotation ?loc (e_map lst) (t_map k v)
 let e_typed_big_map ?loc lst k v = e_annotation ?loc (e_big_map lst) (t_big_map k v)

src/stages/1-ast_imperative/combinators.mli

@@ -100,6 +100,7 @@ val make_option_typed : ?loc:Location.t -> expression -> type_expression option
 val e_typed_none : ?loc:Location.t -> type_expression -> expression
 
 val e_typed_list : ?loc:Location.t -> expression list -> type_expression -> expression
+val e_typed_list_literal : ?loc:Location.t -> expression list -> type_expression -> expression
 
 val e_typed_map : ?loc:Location.t -> ( expression * expression ) list  -> type_expression -> type_expression -> expression
 val e_typed_big_map : ?loc:Location.t -> ( expression * expression ) list  -> type_expression -> type_expression -> expression

src/stages/3-ast_core/PP.ml

@@ -31,16 +31,6 @@ and expression_content ppf (ec : expression_content) =
       fprintf ppf "%a.%a" expression ra.record label ra.label
   | E_record_update {record; path; update} ->
       fprintf ppf "{ %a with { %a = %a } }" expression record label path expression update
-  | E_map m ->
-      fprintf ppf "map[%a]" (list_sep_d assoc_expression) m
-  | E_big_map m ->
-      fprintf ppf "big_map[%a]" (list_sep_d assoc_expression) m
-  | E_list lst ->
-      fprintf ppf "list[%a]" (list_sep_d expression) lst
-  | E_set lst ->
-      fprintf ppf "set[%a]" (list_sep_d expression) lst
-  | E_look_up (ds, ind) ->
-      fprintf ppf "(%a)[%a]" expression ds expression ind
   | E_lambda {binder; input_type; output_type; result} ->
       fprintf ppf "lambda (%a:%a) : %a return %a"
         expression_variable binder

src/stages/3-ast_core/combinators.ml

@@ -107,14 +107,10 @@ let e_bytes_raw ?loc (b: bytes) : expression =
   make_expr ?loc @@ E_literal (Literal_bytes b)
 let e_bytes_string ?loc (s: string) : expression =
   make_expr ?loc @@ E_literal (Literal_bytes (Hex.to_bytes (Hex.of_string s)))
-let e_big_map ?loc lst : expression = make_expr ?loc @@ E_big_map lst
 let e_some ?loc s  : expression = make_expr ?loc @@ E_constant {cons_name = C_SOME; arguments = [s]}
 let e_none ?loc () : expression = make_expr ?loc @@ E_constant {cons_name = C_NONE; arguments = []}
 let e_string_cat ?loc sl sr : expression = make_expr ?loc @@ E_constant {cons_name = C_CONCAT; arguments = [sl ; sr ]}
 let e_map_add ?loc k v old  : expression = make_expr ?loc @@ E_constant {cons_name = C_MAP_ADD; arguments = [k ; v ; old]}
-let e_map ?loc lst : expression = make_expr ?loc @@ E_map lst
-let e_set ?loc lst : expression = make_expr ?loc @@ E_set lst
-let e_list ?loc lst : expression = make_expr ?loc @@ E_list lst
 let e_constructor ?loc s a : expression = make_expr ?loc @@ E_constructor { constructor = Constructor s; element = a}
 let e_matching ?loc a b : expression = make_expr ?loc @@ E_matching {matchee=a;cases=b}
 let e_matching_bool ?loc a b c : expression = e_matching ?loc a (Match_bool {match_true = b ; match_false = c})
@@ -127,7 +123,6 @@ let e_annotation ?loc anno_expr ty = make_expr ?loc @@ E_ascription {anno_expr;
 let e_application ?loc a b = make_expr ?loc @@ E_application {lamb=a ; args=b}
 let e_binop ?loc name a b  = make_expr ?loc @@ E_constant {cons_name = name ; arguments = [a ; b]}
 let e_constant ?loc name lst = make_expr ?loc @@ E_constant {cons_name=name ; arguments = lst}
-let e_look_up ?loc x y = make_expr ?loc @@ E_look_up (x , y)
 let e_cond ?loc expr match_true match_false = e_matching expr ?loc (Match_bool {match_true; match_false})
 (*
 let e_assign ?loc a b c = location_wrap ?loc @@ E_assign (Var.of_name a , b , c) (* TODO handlethat*)
@@ -161,15 +156,6 @@ let e_typed_none ?loc t_opt =
   let type_annotation = t_option t_opt in
   e_annotation ?loc (e_none ?loc ()) type_annotation
 
-let e_typed_list ?loc lst t =
-  e_annotation ?loc (e_list lst) (t_list t)
-
-let e_typed_map ?loc lst k v = e_annotation ?loc (e_map lst) (t_map k v)
-let e_typed_big_map ?loc lst k v = e_annotation ?loc (e_big_map lst) (t_big_map k v)
-
-let e_typed_set ?loc lst k = e_annotation ?loc (e_set lst) (t_set k)
-
-
 let e_lambda ?loc (binder : expression_variable)
     (input_type : type_expression option)
     (output_type : type_expression option)
@@ -221,9 +207,16 @@ let get_e_pair = fun t ->
   | _ -> simple_fail "not a pair"
 
 let get_e_list = fun t ->
-  match t with
+  let rec aux t = 
-  | E_list lst -> ok lst
+    match t with
-  | _ -> simple_fail "not a list"
+      E_constant {cons_name=C_CONS;arguments=[key;lst]} -> 
+        let%bind lst = aux lst.expression_content in
+        ok @@ key::(lst)
+    | E_constant {cons_name=C_LIST_EMPTY;arguments=[]} ->
+        ok @@ []
+    | _ -> simple_fail "not a list"
+  in
+  aux t
 
 let tuple_of_record (m: _ LMap.t) =
   let aux i = 
@@ -250,17 +243,18 @@ let extract_pair : expression -> (expression * expression) result = fun e ->
     )
   | _ -> fail @@ bad_kind "pair" e.location
 
-let extract_list : expression -> (expression list) result = fun e ->
-  match e.expression_content with
-  | E_list lst -> ok lst
-  | _ -> fail @@ bad_kind "list" e.location
-
 let extract_record : expression -> (label * expression) list result = fun e ->
   match e.expression_content with
   | E_record lst -> ok @@ LMap.to_kv_list lst
   | _ -> fail @@ bad_kind "record" e.location
 
 let extract_map : expression -> (expression * expression) list result = fun e ->
-  match e.expression_content with
+  let rec aux e =
-  | E_map lst -> ok lst
+    match e.expression_content with
-  | _ -> fail @@ bad_kind "map" e.location
+      E_constant {cons_name=C_UPDATE|C_MAP_ADD; arguments=[k;v;map]} -> 
+        let%bind map = aux map in
+        ok @@ (k,v)::map 
+    | E_constant {cons_name=C_MAP_EMPTY|C_BIG_MAP_EMPTY; arguments=[]} -> ok @@ []
+    | _ -> fail @@ bad_kind "map" e.location
+  in
+  aux e

src/stages/3-ast_core/combinators.mli

@@ -65,7 +65,6 @@ val e'_bytes : string -> expression_content result
 val e_bytes_hex : ?loc:Location.t -> string -> expression result
 val e_bytes_raw : ?loc:Location.t -> bytes -> expression
 val e_bytes_string : ?loc:Location.t -> string -> expression
-val e_big_map : ?loc:Location.t -> ( expr * expr ) list -> expression
 
 val e_record_ez  : ?loc:Location.t -> ( string * expr ) list -> expression
 val e_tuple : ?loc:Location.t -> expression list -> expression
@@ -73,9 +72,6 @@ val e_some : ?loc:Location.t -> expression -> expression
 val e_none : ?loc:Location.t -> unit -> expression
 val e_string_cat : ?loc:Location.t -> expression -> expression -> expression
 val e_map_add : ?loc:Location.t -> expression -> expression ->  expression -> expression
-val e_map : ?loc:Location.t -> ( expression * expression ) list -> expression
-val e_set : ?loc:Location.t -> expression list -> expression
-val e_list : ?loc:Location.t -> expression list -> expression
 val e_pair : ?loc:Location.t -> expression -> expression -> expression
 val e_constructor : ?loc:Location.t -> string -> expression -> expression
 val e_matching : ?loc:Location.t -> expression -> matching_expr -> expression
@@ -89,7 +85,6 @@ val e_annotation : ?loc:Location.t -> expression -> type_expression -> expressio
 val e_application : ?loc:Location.t -> expression -> expression -> expression
 val e_binop    : ?loc:Location.t -> constant' -> expression -> expression -> expression
 val e_constant : ?loc:Location.t -> constant' -> expression list -> expression
-val e_look_up : ?loc:Location.t -> expression -> expression -> expression
 val ez_match_variant : ((string * string ) * 'a ) list -> ('a,unit) matching_content
 val e_matching_variant : ?loc:Location.t -> expression -> ((string * string) * expression) list -> expression
 
@@ -97,13 +92,6 @@ val make_option_typed : ?loc:Location.t -> expression -> type_expression option
 
 val e_typed_none : ?loc:Location.t -> type_expression -> expression
 
-val e_typed_list : ?loc:Location.t -> expression list -> type_expression -> expression
-
-val e_typed_map : ?loc:Location.t -> ( expression * expression ) list  -> type_expression -> type_expression -> expression
-val e_typed_big_map : ?loc:Location.t -> ( expression * expression ) list  -> type_expression -> type_expression -> expression
-
-val e_typed_set : ?loc:Location.t -> expression list -> type_expression -> expression
-
 val e_lambda : ?loc:Location.t -> expression_variable -> type_expression option -> type_expression option -> expression -> expression
 val e_recursive : ?loc:Location.t -> expression_variable -> type_expression -> lambda -> expression
 val e_record : ?loc:Location.t -> expr Map.String.t -> expression
@@ -126,8 +114,6 @@ val is_e_failwith : expression -> bool
 *)
 val extract_pair : expression -> ( expression * expression ) result 
 
-val extract_list : expression -> (expression list) result
-
 val extract_record : expression -> (label * expression) list result
 
 val extract_map : expression -> (expression * expression) list result

src/stages/3-ast_core/misc.ml

@@ -139,52 +139,13 @@ let rec assert_value_eq (a, b: (expression * expression )) : unit result =
     ok ()
   | E_record_update _, _ ->
      simple_fail "comparing record update with other expression"
-
-  | (E_map lsta, E_map lstb | E_big_map lsta, E_big_map lstb) -> (
-      let%bind lst = generic_try (simple_error "maps of different lengths")
-          (fun () ->
-             let lsta' = List.sort compare lsta in
-             let lstb' = List.sort compare lstb in
-             List.combine lsta' lstb') in
-      let aux = fun ((ka, va), (kb, vb)) ->
-        let%bind _ = assert_value_eq (ka, kb) in
-        let%bind _ = assert_value_eq (va, vb) in
-        ok () in
-      let%bind _all = bind_map_list aux lst in
-      ok ()
-    )
-  | (E_map _ | E_big_map _), _ ->
-      simple_fail "comparing map with other expression"
-
-  | E_list lsta, E_list lstb -> (
-      let%bind lst =
-        generic_try (simple_error "list of different lengths")
-          (fun () -> List.combine lsta lstb) in
-      let%bind _all = bind_map_list assert_value_eq lst in
-      ok ()
-    )
-  | E_list _, _ ->
-      simple_fail "comparing list with other expression"
-
-  | E_set lsta, E_set lstb -> (
-      let lsta' = List.sort (compare) lsta in
-      let lstb' = List.sort (compare) lstb in
-      let%bind lst =
-        generic_try (simple_error "set of different lengths")
-          (fun () -> List.combine lsta' lstb') in
-      let%bind _all = bind_map_list assert_value_eq lst in
-      ok ()
-    )
-  | E_set _, _ ->
-      simple_fail "comparing set with other expression"
-
   | (E_ascription a ,  _b') -> assert_value_eq (a.anno_expr , b)
   | (_a' , E_ascription b) -> assert_value_eq (a , b.anno_expr)
   | (E_variable _, _) | (E_lambda _, _)
   | (E_application _, _) | (E_let_in _, _)
   | (E_recursive _,_) | (E_record_accessor _, _)
-  | (E_look_up _, _) | (E_matching _, _)
+  | (E_matching _, _)
-   -> simple_fail "comparing not a value"
+  -> simple_fail "comparing not a value"
 
 let is_value_eq (a , b) = to_bool @@ assert_value_eq (a , b)
 

src/stages/3-ast_core/types.ml

@@ -43,13 +43,6 @@ and expression_content =
   | E_record of expression label_map
   | E_record_accessor of accessor
   | E_record_update of update
-  (* Data Structures *)
-  (* TODO : move to constant*)
-  | E_map of (expression * expression) list (*move to operator *)
-  | E_big_map of (expression * expression) list (*move to operator *)
-  | E_list of expression list
-  | E_set of expression list
-  | E_look_up of (expression * expression)
   (* Advanced *)
   | E_ascription of ascription
 

src/stages/4-ast_typed/PP.ml

@@ -32,16 +32,6 @@ and expression_content ppf (ec: expression_content) =
       fprintf ppf "%a.%a" expression ra.record label ra.label
   | E_record_update {record; path; update} ->
       fprintf ppf "{ %a with { %a = %a } }" expression record label path expression update
-  | E_map m ->
-      fprintf ppf "map[%a]" (list_sep_d assoc_expression) m
-  | E_big_map m ->
-      fprintf ppf "big_map[%a]" (list_sep_d assoc_expression) m
-  | E_list lst ->
-      fprintf ppf "list[%a]" (list_sep_d expression) lst
-  | E_set lst ->
-      fprintf ppf "set[%a]" (list_sep_d expression) lst
-  | E_look_up (ds, ind) ->
-      fprintf ppf "(%a)[%a]" expression ds expression ind
   | E_lambda {binder; result} ->
       fprintf ppf "lambda (%a) return %a" expression_variable binder
         expression result

src/stages/4-ast_typed/combinators.ml

@@ -64,6 +64,7 @@ let t_pair a b ?s ()   : type_expression = ez_t_record [(Label "0",a) ; (Label "
 
 let t_map key value ?s () = make_t (T_operator (TC_map (key , value))) s
 let t_big_map key value ?s () = make_t (T_operator (TC_big_map (key , value))) s
+let t_map_or_big_map key value ?s () = make_t (T_operator (TC_map_or_big_map (key,value))) s
 
 let t_sum m ?s () : type_expression = make_t (T_sum m) s
 let make_t_ez_sum (lst:(constructor' * type_expression) list) : type_expression =
@@ -190,11 +191,13 @@ let get_t_record (t:type_expression) : type_expression label_map result = match
 let get_t_map (t:type_expression) : (type_expression * type_expression) result =
   match t.type_content with
   | T_operator (TC_map (k,v)) -> ok (k, v)
+  | T_operator (TC_map_or_big_map (k,v)) -> ok (k, v)
   | _ -> fail @@ Errors.not_a_x_type "map" t ()
 
 let get_t_big_map (t:type_expression) : (type_expression * type_expression) result =
   match t.type_content with
   | T_operator (TC_big_map (k,v)) -> ok (k, v)
+  | T_operator (TC_map_or_big_map (k,v)) -> ok (k, v)
   | _ -> fail @@ Errors.not_a_x_type "big_map" t ()
 
 let get_t_map_key : type_expression -> type_expression result = fun t ->
@@ -276,8 +279,6 @@ let ez_e_record (lst : (label * expression) list) : expression_content =
 let e_some s : expression_content = E_constant {cons_name=C_SOME;arguments=[s]}
 let e_none (): expression_content = E_constant {cons_name=C_NONE; arguments=[]}
 
-let e_map lst : expression_content = E_map lst
-
 let e_unit () : expression_content =     E_literal (Literal_unit)
 let e_int n : expression_content = E_literal (Literal_int n)
 let e_nat n : expression_content = E_literal (Literal_nat n)
@@ -296,7 +297,6 @@ let e_lambda l : expression_content = E_lambda l
 let e_pair a b : expression_content = ez_e_record [(Label "0",a);(Label "1", b)]
 let e_application lamb args : expression_content = E_application {lamb;args}
 let e_variable v : expression_content = E_variable v
-let e_list lst : expression_content = E_list lst
 let e_let_in let_binder inline rhs let_result = E_let_in { let_binder ; rhs ; let_result; inline }
 
 let e_a_unit = make_a_e (e_unit ()) (t_unit ())
@@ -314,8 +314,6 @@ let e_a_record r = make_a_e (e_record r) (t_record (LMap.map get_type_expression
 let e_a_application a b = make_a_e (e_application a b) (get_type_expression b)
 let e_a_variable v ty = make_a_e (e_variable v) ty
 let ez_e_a_record r = make_a_e (ez_e_record r) (ez_t_record (List.map (fun (x, y) -> x, y.type_expression) r) ())
-let e_a_map lst k v = make_a_e (e_map lst) (t_map k v ())
-let e_a_list lst t = make_a_e (e_list lst) (t_list t ())
 let e_a_let_in binder expr body attributes = make_a_e (e_let_in binder expr body attributes) (get_type_expression body)
 
 

src/stages/4-ast_typed/combinators.mli

@@ -31,6 +31,7 @@ val ez_t_record : ( label * type_expression ) list -> ?s:S.type_expression -> un
 
 val t_map : type_expression -> type_expression -> ?s:S.type_expression -> unit -> type_expression
 val t_big_map : type_expression -> type_expression -> ?s:S.type_expression -> unit -> type_expression
+val t_map_or_big_map : type_expression -> type_expression -> ?s:S.type_expression -> unit -> type_expression
 val t_sum : type_expression constructor_map -> ?s:S.type_expression -> unit -> type_expression
 val make_t_ez_sum : ( constructor' * type_expression ) list -> type_expression
 val t_function : type_expression -> type_expression -> ?s:S.type_expression -> unit -> type_expression
@@ -109,7 +110,6 @@ val ez_e_record : ( string * expression ) list -> expression
 *)
 val e_some : expression -> expression_content
 val e_none : unit -> expression_content
-val e_map : ( expression * expression ) list -> expression_content
 val e_unit : unit -> expression_content
 val e_int : int -> expression_content
 val e_nat : int -> expression_content
@@ -128,7 +128,6 @@ val e_lambda : lambda -> expression_content
 val e_pair : expression -> expression -> expression_content
 val e_application : expression -> expr -> expression_content
 val e_variable : expression_variable -> expression_content
-val e_list : expression list -> expression_content
 val e_let_in : expression_variable -> inline -> expression -> expression -> expression_content
 
 val e_a_unit : full_environment -> expression
@@ -146,8 +145,6 @@ val e_a_record : expression label_map -> full_environment -> expression
 val e_a_application : expression -> expression -> full_environment -> expression
 val e_a_variable : expression_variable -> type_expression -> full_environment -> expression
 val ez_e_a_record : ( label * expression ) list -> full_environment -> expression
-val e_a_map : ( expression * expression ) list -> type_expression -> type_expression -> full_environment -> expression
-val e_a_list : expression list -> type_expression -> full_environment -> expression
 val e_a_let_in : expression_variable -> bool -> expression -> expression -> full_environment -> expression
 
 val get_a_int : expression -> int result

src/stages/4-ast_typed/combinators_environment.ml

@@ -14,8 +14,6 @@ let e_a_empty_pair a b = e_a_pair a b Environment.full_empty
 let e_a_empty_some s = e_a_some s Environment.full_empty
 let e_a_empty_none t = e_a_none t Environment.full_empty
 let e_a_empty_record r = e_a_record r Environment.full_empty
-let e_a_empty_map lst k v = e_a_map lst k v Environment.full_empty
-let e_a_empty_list lst t = e_a_list lst t Environment.full_empty
 let ez_e_a_empty_record r = ez_e_a_record r Environment.full_empty
 let e_a_empty_lambda l i o = e_a_lambda l i o Environment.full_empty
 

src/stages/4-ast_typed/combinators_environment.mli

@@ -13,8 +13,6 @@ val e_a_empty_pair : expression -> expression -> expression
 val e_a_empty_some : expression -> expression
 val e_a_empty_none : type_expression -> expression
 val e_a_empty_record : expression label_map -> expression
-val e_a_empty_map : (expression * expression ) list -> type_expression -> type_expression -> expression
-val e_a_empty_list : expression list -> type_expression -> expression
 val ez_e_a_empty_record : ( label * expression ) list -> expression
 val e_a_empty_lambda : lambda -> type_expression -> type_expression -> expression
 

src/stages/4-ast_typed/misc.ml

@@ -211,10 +211,6 @@ module Free_variables = struct
     | E_record m -> unions @@ List.map self @@ LMap.to_list m
     | E_record_accessor {record;_} -> self record
     | E_record_update {record; update;_} -> union (self record) @@ self update
-    | E_list lst -> unions @@ List.map self lst
-    | E_set lst -> unions @@ List.map self lst
-    | (E_map m | E_big_map m) -> unions @@ List.map self @@ List.concat @@ List.map (fun (a, b) -> [ a ; b ]) m
-    | E_look_up (a , b) -> unions @@ List.map self [ a ; b ]
     | E_matching {matchee; cases;_} -> union (self matchee) (matching_expression b cases)
     | E_let_in { let_binder; rhs; let_result; _} ->
       let b' = union (singleton let_binder) b in
@@ -342,10 +338,11 @@ let rec assert_type_expression_eq (a, b: (type_expression * type_expression)) :
       | TC_list la, TC_list lb
       | TC_contract la, TC_contract lb
       | TC_set la, TC_set lb -> ok @@ ([la], [lb])
-      | TC_map (ka,va), TC_map (kb,vb)
+      | (TC_map (ka,va) | TC_map_or_big_map (ka,va)), (TC_map (kb,vb) | TC_map_or_big_map (kb,vb))
-      | TC_big_map (ka,va), TC_big_map (kb,vb) -> ok @@ ([ka;va] ,[kb;vb]) 
+      | (TC_big_map (ka,va) | TC_map_or_big_map (ka,va)), (TC_big_map (kb,vb) | TC_map_or_big_map (kb,vb))
-      | (TC_option _ | TC_list _ | TC_contract _ | TC_set _ | TC_map _ | TC_big_map _ | TC_arrow _),
+       -> ok @@ ([ka;va] ,[kb;vb]) 
-        (TC_option _ | TC_list _ | TC_contract _ | TC_set _ | TC_map _ | TC_big_map _ | TC_arrow _ ) -> fail @@ different_operators opa opb
+      | (TC_option _ | TC_list _ | TC_contract _ | TC_set _ | TC_map _ | TC_big_map _ | TC_map_or_big_map _ | TC_arrow _),
+        (TC_option _ | TC_list _ | TC_contract _ | TC_set _ | TC_map _ | TC_big_map _ | TC_map_or_big_map _ | TC_arrow _ ) -> fail @@ different_operators opa opb
       in
       if List.length lsta <> List.length lstb then
         fail @@ different_operator_number_of_arguments opa opb (List.length lsta) (List.length lstb)
@@ -497,44 +494,10 @@ let rec assert_value_eq (a, b: (expression*expression)) : unit result =
   | E_record _, _ ->
       fail @@ (different_values_because_different_types "record vs. non-record" a b)
 
-  | (E_map lsta, E_map lstb | E_big_map lsta, E_big_map lstb) -> (
-      let%bind lst = generic_try (different_size_values "maps of different lengths" a b)
-          (fun () ->
-             let lsta' = List.sort compare lsta in
-             let lstb' = List.sort compare lstb in
-             List.combine lsta' lstb') in
-      let aux = fun ((ka, va), (kb, vb)) ->
-        let%bind _ = assert_value_eq (ka, kb) in
-        let%bind _ = assert_value_eq (va, vb) in
-        ok () in
-      let%bind _all = bind_map_list aux lst in
-      ok ()
-    )
-  | (E_map _ | E_big_map _), _ ->
-      fail @@ different_values_because_different_types "map vs. non-map" a b
-
-  | E_list lsta, E_list lstb -> (
-      let%bind lst =
-        generic_try (different_size_values "lists of different lengths" a b)
-          (fun () -> List.combine lsta lstb) in
-      let%bind _all = bind_map_list assert_value_eq lst in
-      ok ()
-    )
-  | E_list _, _ ->
-      fail @@ different_values_because_different_types "list vs. non-list" a b
-  | E_set lsta, E_set lstb -> (
-      let%bind lst =
-        generic_try (different_size_values "sets of different lengths" a b)
-          (fun () -> List.combine lsta lstb) in
-      let%bind _all = bind_map_list assert_value_eq lst in
-      ok ()
-    )
-  | E_set _, _ ->
-      fail @@ different_values_because_different_types "set vs. non-set" a b
   | (E_literal _, _) | (E_variable _, _) | (E_application _, _)
   | (E_lambda _, _) | (E_let_in _, _) | (E_recursive _, _)
   | (E_record_accessor _, _) | (E_record_update _,_)
-  | (E_look_up _, _) | (E_matching _, _)
+  | (E_matching _, _)
   -> fail @@ error_uncomparable_values "can't compare sequences nor loops" a b
 
 let merge_annotation (a:type_expression option) (b:type_expression option) err : type_expression result =

src/stages/4-ast_typed/misc_smart.ml

@@ -75,18 +75,6 @@ module Captured_variables = struct
       let%bind r = self record in
       let%bind e = self update in
       ok @@ union r e
-    | E_list lst ->
-      let%bind lst' = bind_map_list self lst in
-      ok @@ unions lst'
-    | E_set lst ->
-      let%bind lst' = bind_map_list self lst in
-      ok @@ unions lst'
-    | (E_map m | E_big_map m) ->
-      let%bind lst' = bind_map_list self @@ List.concat @@ List.map (fun (a, b) -> [ a ; b ]) m in
-      ok @@ unions lst'
-    | E_look_up (a , b) ->
-      let%bind lst' = bind_map_list self [ a ; b ] in
-      ok @@ unions lst'
     | E_matching {matchee;cases;_} ->
       let%bind a' = self matchee in
       let%bind cs' = matching_expression b cases in

src/stages/4-ast_typed/types.ml

@@ -49,13 +49,6 @@ and expression_content =
   | E_record of expression label_map
   | E_record_accessor of accessor
   | E_record_update of update
-  (* Data Structures *)
-  (* TODO : move to constant*)
-  | E_map of (expression * expression) list (*move to operator *)
-  | E_big_map of (expression * expression) list (*move to operator *)
-  | E_list of expression list
-  | E_set of expression list
-  | E_look_up of (expression * expression)
 
 and constant =
   { cons_name: constant'

src/stages/5-mini_c/PP.ml

@@ -86,10 +86,6 @@ and expression' ppf (e:expression') = match e with
 
   | E_constant c -> fprintf ppf "%a %a" constant c.cons_name (pp_print_list ~pp_sep:space_sep expression) c.arguments
   | E_literal v -> fprintf ppf "L(%a)" value v
-  | E_make_empty_map _ -> fprintf ppf "map[]"
-  | E_make_empty_big_map _ -> fprintf ppf "big_map[]"
-  | E_make_empty_list _ -> fprintf ppf "list[]"
-  | E_make_empty_set _ -> fprintf ppf "set[]"
   | E_make_none _ -> fprintf ppf "none"
   | E_if_bool (c, a, b) -> fprintf ppf "%a ? %a : %a" expression c expression a expression b
   | E_if_none (c, n, ((name, _) , s)) -> fprintf ppf "%a ?? %a : %a -> %a" expression c expression n Var.pp name expression s
@@ -199,6 +195,8 @@ and constant ppf : constant' -> unit = function
   | C_SET_FOLD              -> fprintf ppf "SET_FOLD"
   | C_SET_MEM               -> fprintf ppf "SET_MEM"
   (* List *)
+  | C_LIST_EMPTY            -> fprintf ppf "LIST_EMPTY"
+  | C_LIST_LITERAL          -> fprintf ppf "LIST_LITERAL"
   | C_LIST_ITER             -> fprintf ppf "LIST_ITER"
   | C_LIST_MAP              -> fprintf ppf "LIST_MAP"
   | C_LIST_FOLD             -> fprintf ppf "LIST_FOLD"

src/stages/5-mini_c/misc.ml

@@ -44,10 +44,6 @@ module Free_variables = struct
     | E_constant (c) -> unions @@ List.map self c.arguments
     | E_application (f, x) -> unions @@ [ self f ; self x ]
     | E_variable n -> var_name b n
-    | E_make_empty_map _ -> empty
-    | E_make_empty_big_map _ -> empty
-    | E_make_empty_list _ -> empty
-    | E_make_empty_set _ -> empty
     | E_make_none _ -> empty
     | E_iterator (_, ((v, _), body), expr) ->
       unions [ expression (union (singleton v) b) body ;

src/stages/5-mini_c/types.ml

@@ -59,10 +59,6 @@ and expression' =
   | E_constant of constant
   | E_application of (expression * expression)
   | E_variable of var_name
-  | E_make_empty_map of (type_value * type_value)
-  | E_make_empty_big_map of (type_value * type_value)
-  | E_make_empty_list of type_value
-  | E_make_empty_set of type_value
   | E_make_none of type_value
   | E_iterator of constant' * ((var_name * type_value) * expression) * expression
   | E_fold of (((var_name * type_value) * expression) * expression * expression)

src/stages/common/PP.ml

@@ -105,6 +105,8 @@ let constant ppf : constant' -> unit = function
   | C_SET_FOLD              -> fprintf ppf "SET_FOLD"
   | C_SET_MEM               -> fprintf ppf "SET_MEM"
   (* List *)
+  | C_LIST_EMPTY            -> fprintf ppf "LIST_EMPTY"
+  | C_LIST_LITERAL          -> fprintf ppf "LIST_LITERAL"
   | C_LIST_ITER             -> fprintf ppf "LIST_ITER"
   | C_LIST_MAP              -> fprintf ppf "LIST_MAP"
   | C_LIST_FOLD             -> fprintf ppf "LIST_FOLD"
@@ -263,6 +265,7 @@ module Ast_PP_type (PARAMETER : AST_PARAMETER_TYPE) = struct
       | TC_set te -> Format.asprintf "set(%a)" f te
       | TC_map (k, v) -> Format.asprintf "Map (%a,%a)" f k f v
       | TC_big_map (k, v) -> Format.asprintf "Big Map (%a,%a)" f k f v
+      | TC_map_or_big_map (k, v) -> Format.asprintf "Map Or Big Map (%a,%a)" f k f v
       | TC_arrow (k, v) -> Format.asprintf "arrow (%a,%a)" f k f v
       | TC_contract te  -> Format.asprintf "Contract (%a)" f te
     in

src/stages/common/types.ml

@@ -53,6 +53,7 @@ module Ast_generic_type (PARAMETER : AST_PARAMETER_TYPE) = struct
     | TC_set of type_expression
     | TC_map of type_expression * type_expression
     | TC_big_map of type_expression * type_expression
+    | TC_map_or_big_map of type_expression * type_expression
     | TC_arrow of type_expression * type_expression
 
 
@@ -66,6 +67,7 @@ module Ast_generic_type (PARAMETER : AST_PARAMETER_TYPE) = struct
     | TC_set x -> TC_set (f x)
     | TC_map (x , y) -> TC_map (f x , f y)
     | TC_big_map (x , y)-> TC_big_map (f x , f y)
+    | TC_map_or_big_map (x , y)-> TC_map_or_big_map (f x , f y)
     | TC_arrow (x, y) -> TC_arrow (f x, f y)
 
   let bind_map_type_operator f = function
@@ -75,6 +77,7 @@ module Ast_generic_type (PARAMETER : AST_PARAMETER_TYPE) = struct
     | TC_set x -> let%bind x = f x in ok @@ TC_set x
     | TC_map (x , y) -> let%bind x = f x in let%bind y = f y in ok @@ TC_map (x , y)
     | TC_big_map (x , y)-> let%bind x = f x in let%bind y = f y in ok @@ TC_big_map (x , y)
+    | TC_map_or_big_map (x , y)-> let%bind x = f x in let%bind y = f y in ok @@ TC_map_or_big_map (x , y)
     | TC_arrow (x , y)-> let%bind x = f x in let%bind y = f y in ok @@ TC_arrow (x , y)
 
   let type_operator_name = function
@@ -84,6 +87,7 @@ module Ast_generic_type (PARAMETER : AST_PARAMETER_TYPE) = struct
       | TC_set      _ -> "TC_set"
       | TC_map      _ -> "TC_map"
       | TC_big_map  _ -> "TC_big_map"
+      | TC_map_or_big_map _ -> "TC_map_or_big_map"
       | TC_arrow    _ -> "TC_arrow"
 
   let type_expression'_of_string = function
@@ -122,6 +126,7 @@ module Ast_generic_type (PARAMETER : AST_PARAMETER_TYPE) = struct
     | TC_set       x       -> "TC_set"      , [x]
     | TC_map       (x , y) -> "TC_map"      , [x ; y]
     | TC_big_map   (x , y) -> "TC_big_map"  , [x ; y]
+    | TC_map_or_big_map   (x , y) -> "TC_map_or_big_map"  , [x ; y]
     | TC_arrow     (x , y) -> "TC_arrow"    , [x ; y]
 
   let string_of_type_constant = function
@@ -247,6 +252,8 @@ and constant' =
   | C_SET_FOLD
   | C_SET_MEM
   (* List *)
+  | C_LIST_EMPTY
+  | C_LIST_LITERAL
   | C_LIST_ITER
   | C_LIST_MAP
   | C_LIST_FOLD

src/stages/typesystem/misc.ml

@@ -190,30 +190,6 @@ module Substitution = struct
         let%bind record = s_expression ~substs record in
         let%bind update = s_expression ~substs update in
         ok @@ T.E_record_update {record;path;update}
-      | T.E_map             val_val_list ->
-        let%bind val_val_list = bind_map_list (fun (val1 , val2) ->
-            let%bind val1 = s_expression ~substs val1 in
-            let%bind val2 = s_expression ~substs val2 in
-            ok @@ (val1 , val2)
-          ) val_val_list in
-        ok @@ T.E_map val_val_list
-      | T.E_big_map         val_val_list ->
-        let%bind val_val_list = bind_map_list (fun (val1 , val2) ->
-            let%bind val1 = s_expression ~substs val1 in
-            let%bind val2 = s_expression ~substs val2 in
-            ok @@ (val1 , val2)
-          ) val_val_list in
-        ok @@ T.E_big_map val_val_list
-      | T.E_list            vals ->
-        let%bind vals = bind_map_list (s_expression ~substs) vals in
-        ok @@ T.E_list vals
-      | T.E_set             vals ->
-        let%bind vals = bind_map_list (s_expression ~substs) vals in
-        ok @@ T.E_set vals
-      | T.E_look_up         (val1, val2) ->
-        let%bind val1 = s_expression ~substs val1 in
-        let%bind val2 = s_expression ~substs val2 in
-        ok @@ T.E_look_up (val1 , val2)
       | T.E_matching   {matchee;cases} ->
         let%bind matchee = s_expression ~substs matchee in
         let%bind cases = s_matching_expr ~substs cases in