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-rw-r--r--lib/syntax_tools/src/erl_prettypr.erl5
-rw-r--r--lib/syntax_tools/src/erl_syntax.erl58
-rw-r--r--lib/syntax_tools/src/erl_syntax_lib.erl2
3 files changed, 47 insertions, 18 deletions
diff --git a/lib/syntax_tools/src/erl_prettypr.erl b/lib/syntax_tools/src/erl_prettypr.erl
index 6906ef1553..6ad9bec2e6 100644
--- a/lib/syntax_tools/src/erl_prettypr.erl
+++ b/lib/syntax_tools/src/erl_prettypr.erl
@@ -1101,8 +1101,9 @@ lay_2(Node, Ctxt) ->
Ctxt1 = reset_prec(Ctxt),
D1 = lay(erl_syntax:constrained_function_type_body(Node),
Ctxt1),
+ Ctxt2 = Ctxt1#ctxt{clause = undefined},
D2 = lay(erl_syntax:constrained_function_type_argument(Node),
- Ctxt1),
+ Ctxt2),
beside(D1,
beside(floating(text(" when ")), D2));
@@ -1113,7 +1114,7 @@ lay_2(Node, Ctxt) ->
_ ->
{"fun(", ")"}
end,
- Ctxt1 = reset_prec(Ctxt),
+ Ctxt1 = (reset_prec(Ctxt))#ctxt{clause = undefined},
D1 = case erl_syntax:function_type_arguments(Node) of
any_arity ->
text("(...)");
diff --git a/lib/syntax_tools/src/erl_syntax.erl b/lib/syntax_tools/src/erl_syntax.erl
index 029f1e88ac..1be644c620 100644
--- a/lib/syntax_tools/src/erl_syntax.erl
+++ b/lib/syntax_tools/src/erl_syntax.erl
@@ -3897,7 +3897,7 @@ unfold_try_clauses(Cs) ->
unfold_try_clause({clause, Pos, [{tuple, _, [{atom, _, throw},
V,
- [{var, _, '_'}]]}],
+ {var, _, '_'}]}],
Guard, Body}) ->
{clause, Pos, [V], Guard, Body};
unfold_try_clause({clause, Pos, [{tuple, _, [C, V, Stacktrace]}],
@@ -5455,8 +5455,12 @@ map_type(Fields) ->
revert_map_type(Node) ->
Pos = get_pos(Node),
- {type, Pos, map, map_type_fields(Node)}.
-
+ case map_type_fields(Node) of
+ any_size ->
+ {type, Pos, map, any};
+ Fields ->
+ {type, Pos, map, Fields}
+ end.
%% =====================================================================
%% @doc Returns the list of field subtrees of a `map_type' node.
@@ -5714,7 +5718,12 @@ tuple_type(Elements) ->
revert_tuple_type(Node) ->
Pos = get_pos(Node),
- {type, Pos, tuple, tuple_type_elements(Node)}.
+ case tuple_type_elements(Node) of
+ any_size ->
+ {type, Pos, tuple, any};
+ TypeElements ->
+ {type, Pos, tuple, TypeElements}
+ end.
%% =====================================================================
@@ -7223,7 +7232,7 @@ macro_arguments(Node) ->
%% @doc Returns the syntax tree corresponding to an Erlang term.
%% `Term' must be a literal term, i.e., one that can be
%% represented as a source code literal. Thus, it may not contain a
-%% process identifier, port, reference, binary or function value as a
+%% process identifier, port, reference or function value as a
%% subterm. The function recognises printable strings, in order to get a
%% compact and readable representation. Evaluation fails with reason
%% `badarg' if `Term' is not a literal term.
@@ -7257,6 +7266,13 @@ abstract(T) when is_map(T) ->
|| {Key,Value} <- maps:to_list(T)]);
abstract(T) when is_binary(T) ->
binary([binary_field(integer(B)) || B <- binary_to_list(T)]);
+abstract(T) when is_bitstring(T) ->
+ S = bit_size(T),
+ ByteS = S div 8,
+ BitS = S rem 8,
+ <<Bin:ByteS/binary, I:BitS>> = T,
+ binary([binary_field(integer(B)) || B <- binary_to_list(Bin)]
+ ++ [binary_field(integer(I), integer(BitS), [])]);
abstract(T) ->
erlang:error({badarg, T}).
@@ -7332,15 +7348,20 @@ concrete(Node) ->
Node0 -> maps:merge(concrete(Node0),M0)
end;
binary ->
- Fs = [revert_binary_field(
- binary_field(binary_field_body(F),
- case binary_field_size(F) of
- none -> none;
- S ->
- revert(S)
- end,
- binary_field_types(F)))
- || F <- binary_fields(Node)],
+ Fs = [begin
+ B = binary_field_body(F),
+ {Body, Size} =
+ case type(B) of
+ size_qualifier ->
+ {size_qualifier_body(B),
+ size_qualifier_argument(B)};
+ _ ->
+ {B, none}
+ end,
+ revert_binary_field(
+ binary_field(Body, Size, binary_field_types(F)))
+ end
+ || F <- binary_fields(Node)],
{value, B, _} =
eval_bits:expr_grp(Fs, [],
fun(F, _) ->
@@ -7413,7 +7434,14 @@ is_literal(T) ->
is_literal_binary_field(F) ->
case binary_field_types(F) of
- [] -> is_literal(binary_field_body(F));
+ [] -> B = binary_field_body(F),
+ case type(B) of
+ size_qualifier ->
+ is_literal(size_qualifier_body(B)) andalso
+ is_literal(size_qualifier_argument(B));
+ _ ->
+ is_literal(B)
+ end;
_ -> false
end.
diff --git a/lib/syntax_tools/src/erl_syntax_lib.erl b/lib/syntax_tools/src/erl_syntax_lib.erl
index ced0dba3e2..352165893f 100644
--- a/lib/syntax_tools/src/erl_syntax_lib.erl
+++ b/lib/syntax_tools/src/erl_syntax_lib.erl
@@ -1981,7 +1981,7 @@ analyze_application(Node) ->
%%
%% @see analyze_type_name/1
--type typeName() :: atom() | {module(), atom(), arity()} | {atom(), arity()}.
+-type typeName() :: atom() | {module(), {atom(), arity()}} | {atom(), arity()}.
-spec analyze_type_application(erl_syntax:syntaxTree()) -> typeName().