Move stdlib code to priv dir and don't do any implicit includes

src/aeso_compiler.erl

@@ -142,16 +142,7 @@ from_string1(fate, ContractString, Options) ->
 
 -spec string_to_code(string(), options()) -> map().
 string_to_code(ContractString, Options) ->
-    Ast = case lists:member(no_implicit_stdlib, Options) of
-              true -> parse(ContractString, Options);
-              false ->
-                  IncludedSTD = sets:from_list(
-                                  [aeso_parser:hash_include(F, C)
-                                   || {F, C} <- aeso_stdlib:stdlib_list()]),
-                  InitAst = parse(ContractString, IncludedSTD, Options),
-                  STD = parse_stdlib(),
-                  STD ++ InitAst
-          end,
+    Ast = parse(ContractString, Options),
     pp_sophia_code(Ast, Options),
     pp_ast(Ast, Options),
     {TypeEnv, TypedAst} = aeso_ast_infer_types:infer(Ast, [return_env]),
@@ -579,15 +570,6 @@ pp(Code, Options, Option, PPFun) ->
 
 %% -------------------------------------------------------------------
 
--spec parse_stdlib() -> none() | aeso_syntax:ast().
-parse_stdlib() ->
-    lists:foldr(
-      fun ({Lib, LibCode}, Acc) ->
-              parse(LibCode, [{src_file, binary_to_list(Lib)}]) ++ Acc
-      end,
-      [],
-      aeso_stdlib:stdlib_list()).
-
 sophia_type_to_typerep(String) ->
     {ok, Ast} = aeso_parser:type(String),
     try aeso_ast_to_icode:ast_typerep(Ast) of