Merge branch 'feature/cli-interpret' into 'dev'

Feature/cli interpret

See merge request ligolang/ligo!249

scripts/test_cli.sh

@@ -7,9 +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="tuple[   list[]
+expected_dry_run_output="( [] , 2 )";
-         2
-]";
 
 if [ "$compiled_storage" != "$expected_compiled_storage" ]; then
     echo "Expected $expected_compiled_storage as compile-storage output, got $compiled_storage instead";

src/bin/cli.ml

@@ -47,6 +47,14 @@ let req_syntax n =
     info ~docv ~doc [] in
   required @@ pos n (some string) None info
 
+let init_file =
+  let open Arg in
+  let info =
+    let docv = "INIT_FILE" in
+    let doc = "$(docv) is the path to the .ligo or .mligo file to be used for context initialization." in
+    info ~docv ~doc ["init-file"] in
+  value @@ opt (some string) None info
+
 let amount =
   let open Arg in
   let info =
@@ -163,6 +171,35 @@ let compile_parameter =
   let doc = "Subcommand: compile parameters to a michelson expression. The resulting michelson expression can be passed as an argument in a transaction which calls a contract." in
   (term , Term.info ~doc cmdname)
 
+let interpret =
+  let f expression init_file syntax amount sender source display_format =
+    toplevel ~display_format @@
+    let%bind (decl_list,state,env) = match init_file with
+      | Some init_file ->
+        let%bind simplified      = Compile.Of_source.compile init_file (Syntax_name syntax) in
+        let%bind typed_prg,state = Compile.Of_simplified.compile simplified in
+        let%bind mini_c_prg      = Compile.Of_typed.compile typed_prg in
+        let      env             = Ast_typed.program_environment typed_prg in
+        ok (mini_c_prg,state,env)
+      | None -> ok ([],Typer.Solver.initial_state,Ast_typed.Environment.full_empty) in
+    
+    let%bind v_syntax          = Helpers.syntax_to_variant (Syntax_name syntax) init_file in
+    let%bind simplified_exp    = Compile.Of_source.compile_expression v_syntax expression in
+    let%bind (typed_exp,_)     = Compile.Of_simplified.compile_expression ~env ~state simplified_exp in
+    let%bind mini_c_exp        = Compile.Of_typed.compile_expression typed_exp in
+    let%bind compiled_exp      = Compile.Of_mini_c.aggregate_and_compile_expression decl_list mini_c_exp in
+    let%bind options           = Run.make_dry_run_options {amount ; sender ; source } in
+    let%bind value             = Run.run ~options compiled_exp.expr compiled_exp.expr_ty in
+    let%bind simplified_output = Uncompile.uncompile_expression typed_exp.type_annotation value in
+    ok @@ Format.asprintf "%a\n" Ast_simplified.PP.expression simplified_output
+  in
+  let term =
+    Term.(const f $ expression "EXPRESSION" 0 $ init_file $ syntax $ amount $ sender $ source $ display_format ) in
+  let cmdname = "interpret" in
+  let doc = "Subcommand: interpret the expression in the context initialized by the provided source file." in
+  (term , Term.info ~doc cmdname)
+
+
 let compile_storage =
   let f source_file entry_point expression syntax display_format michelson_format =
     toplevel ~display_format @@
@@ -296,6 +333,7 @@ let run ?argv () =
     compile_parameter ;
     compile_storage ;
     compile_expression ;
+    interpret ;
     dry_run ;
     run_function ;
     evaluate_value ;

src/bin/expect_tests/help_tests.ml

@@ -37,6 +37,10 @@ let%expect_test _ =
            evaluate-value
                Subcommand: evaluate a given definition.
 
+           interpret
+               Subcommand: interpret the expression in the context initialized by
+               the provided source file.
+
            measure-contract
                Subcommand: measure a contract's compiled size in bytes.
 
@@ -84,6 +88,10 @@ let%expect_test _ =
            evaluate-value
                Subcommand: evaluate a given definition.
 
+           interpret
+               Subcommand: interpret the expression in the context initialized by
+               the provided source file.
+
            measure-contract
                Subcommand: measure a contract's compiled size in bytes.
 

src/main/uncompile/uncompile.ml

@@ -17,3 +17,8 @@ let uncompile_typed_program_entry_expression_result program entry ex_ty_value =
 
 let uncompile_typed_program_entry_function_result program entry ex_ty_value =
   uncompile_value Function program entry ex_ty_value
+
+let uncompile_expression type_value ex_ty_value =
+  let%bind mini_c = Compiler.Uncompiler.translate_value ex_ty_value in
+  let%bind typed = Transpiler.untranspile mini_c type_value in
+  Typer.untype_expression typed

src/stages/ast_simplified/PP.ml

@@ -5,7 +5,10 @@ include Stage_common.PP
 
 let list_sep_d x ppf lst = match lst with
   | [] -> ()
-  | _ -> fprintf ppf "@;  @[<v>%a@]@;" (list_sep x (tag "@;")) lst
+  | _ -> fprintf ppf " @[<v>%a@] " (list_sep x (tag " ; ")) lst
+let tuple_sep_d x ppf lst = match lst with
+  | [] -> ()
+  | _ -> fprintf ppf " @[<v>%a@] " (list_sep x (tag " , ")) lst
 
 let rec te' ppf (te : type_expression type_expression') : unit =
   type_expression' type_expression ppf te
@@ -19,13 +22,13 @@ let rec expression ppf (e:expression) = match e.expression with
   | E_application (f, arg) -> fprintf ppf "(%a)@(%a)" expression f expression arg
   | E_constructor (c, ae) -> fprintf ppf "%a(%a)" constructor c expression ae
   | E_constant (b, lst) -> fprintf ppf "%a(%a)" constant b (list_sep_d expression) lst
-  | E_tuple lst -> fprintf ppf "tuple[%a]" (list_sep_d expression) lst
+  | E_tuple lst -> fprintf ppf "(%a)" (tuple_sep_d expression) lst
   | E_accessor (ae, p) -> fprintf ppf "%a.%a" expression ae access_path p
-  | E_record m -> fprintf ppf "record[%a]" (lmap_sep expression (const " , ")) m
+  | E_record m -> fprintf ppf "{%a}" (lrecord_sep expression (const " , ")) m
-  | E_map m -> fprintf ppf "map[%a]" (list_sep_d assoc_expression) m
+  | E_map m -> fprintf ppf "[%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_list lst -> fprintf ppf "[%a]" (list_sep_d expression) lst
-  | E_set lst -> fprintf ppf "set[%a]" (list_sep_d expression) lst
+  | E_set lst -> fprintf ppf "{%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"

src/stages/common/PP.ml

@@ -128,6 +128,11 @@ let lmap_sep value sep ppf m =
   let new_pp ppf (k, v) = fprintf ppf "%a -> %a" label k value v in
   fprintf ppf "%a" (list_sep new_pp sep) lst
 
+let lrecord_sep value sep ppf m =
+  let lst = Types.LMap.to_kv_list m in
+  let new_pp ppf (k, v) = fprintf ppf "%a = %a" label k value v in
+  fprintf ppf "%a" (list_sep new_pp sep) lst
+
 let list_sep_d x = list_sep x (const " , ")
 let cmap_sep_d x = cmap_sep x (const " , ")
 let lmap_sep_d x = lmap_sep x (const " , ")

src/stages/common/PP.mli

@@ -8,6 +8,7 @@ val label            : formatter -> label -> unit
 val constant         : formatter -> constant -> unit 
 val cmap_sep         : (formatter -> 'a -> unit) -> (formatter -> unit -> unit) -> formatter -> 'a CMap.t  -> unit
 val lmap_sep         : (formatter -> 'a -> unit) -> (formatter -> unit -> unit) -> formatter -> 'a LMap.t  -> unit
+val lrecord_sep      : (formatter -> 'a -> unit) -> (formatter -> unit -> unit) -> formatter -> 'a LMap.t  -> unit
 val type_expression' : (formatter -> 'a -> unit) -> formatter -> 'a type_expression' -> unit
 val type_operator    : (formatter -> 'a -> unit) -> formatter -> 'a type_operator -> unit
 val type_constant    : formatter -> type_constant -> unit