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-rw-r--r--lib/syntax_tools/src/epp_dodger.erl36
-rw-r--r--lib/syntax_tools/src/erl_prettypr.erl7
-rw-r--r--lib/syntax_tools/src/erl_syntax.erl45
-rw-r--r--lib/syntax_tools/src/erl_syntax_lib.erl4
4 files changed, 75 insertions, 17 deletions
diff --git a/lib/syntax_tools/src/epp_dodger.erl b/lib/syntax_tools/src/epp_dodger.erl
index 0a12e8fd8b..7e741cc649 100644
--- a/lib/syntax_tools/src/epp_dodger.erl
+++ b/lib/syntax_tools/src/epp_dodger.erl
@@ -502,6 +502,10 @@ quickscan_form([{'-', _L}, {atom, La, ifdef} | _Ts]) ->
kill_form(La);
quickscan_form([{'-', _L}, {atom, La, ifndef} | _Ts]) ->
kill_form(La);
+quickscan_form([{'-', _L}, {'if', La} | _Ts]) ->
+ kill_form(La);
+quickscan_form([{'-', _L}, {atom, La, elif} | _Ts]) ->
+ kill_form(La);
quickscan_form([{'-', _L}, {atom, La, else} | _Ts]) ->
kill_form(La);
quickscan_form([{'-', _L}, {atom, La, endif} | _Ts]) ->
@@ -615,8 +619,13 @@ filter_form(T) ->
%% ---------------------------------------------------------------------
%% Normal parsing - try to preserve all information
-normal_parser(Ts, Opt) ->
- rewrite_form(parse_tokens(scan_form(Ts, Opt))).
+normal_parser(Ts0, Opt) ->
+ case scan_form(Ts0, Opt) of
+ Ts when is_list(Ts) ->
+ rewrite_form(parse_tokens(Ts));
+ Node ->
+ Node
+ end.
scan_form([{'-', _L}, {atom, La, define} | Ts], Opt) ->
[{atom, La, ?pp_form}, {'(', La}, {')', La}, {'->', La},
@@ -636,12 +645,26 @@ scan_form([{'-', _L}, {atom, La, ifdef} | Ts], Opt) ->
scan_form([{'-', _L}, {atom, La, ifndef} | Ts], Opt) ->
[{atom, La, ?pp_form}, {'(', La}, {')', La}, {'->', La},
{atom, La, ifndef} | scan_macros(Ts, Opt)];
+scan_form([{'-', _L}, {'if', La} | Ts], Opt) ->
+ [{atom, La, ?pp_form}, {'(', La}, {')', La}, {'->', La},
+ {atom, La, 'if'} | scan_macros(Ts, Opt)];
+scan_form([{'-', _L}, {atom, La, elif} | Ts], Opt) ->
+ [{atom, La, ?pp_form}, {'(', La}, {')', La}, {'->', La},
+ {atom, La, 'elif'} | scan_macros(Ts, Opt)];
scan_form([{'-', _L}, {atom, La, else} | Ts], Opt) ->
[{atom, La, ?pp_form}, {'(', La}, {')', La}, {'->', La},
{atom, La, else} | scan_macros(Ts, Opt)];
scan_form([{'-', _L}, {atom, La, endif} | Ts], Opt) ->
[{atom, La, ?pp_form}, {'(', La}, {')', La}, {'->', La},
{atom, La, endif} | scan_macros(Ts, Opt)];
+scan_form([{'-', _L}, {atom, La, error} | Ts], _Opt) ->
+ Desc = build_info_string("-error", Ts),
+ ErrorInfo = {La, ?MODULE, {error, Desc}},
+ erl_syntax:error_marker(ErrorInfo);
+scan_form([{'-', _L}, {atom, La, warning} | Ts], _Opt) ->
+ Desc = build_info_string("-warning", Ts),
+ ErrorInfo = {La, ?MODULE, {warning, Desc}},
+ erl_syntax:error_marker(ErrorInfo);
scan_form([{'-', L}, {'?', L1}, {Type, _, _}=N | [{'(', _} | _]=Ts], Opt)
when Type =:= atom; Type =:= var ->
%% minus, macro and open parenthesis at start of form - assume that
@@ -657,6 +680,11 @@ scan_form([{'?', L}, {Type, _, _}=N | [{'(', _} | _]=Ts], Opt)
scan_form(Ts, Opt) ->
scan_macros(Ts, Opt).
+build_info_string(Prefix, Ts0) ->
+ Ts = lists:droplast(Ts0),
+ String = lists:droplast(tokens_to_string(Ts)),
+ Prefix ++ " " ++ String ++ ".".
+
scan_macros(Ts, Opt) ->
scan_macros(Ts, [], Opt).
@@ -865,6 +893,10 @@ tokens_to_string([]) ->
format_error(macro_args) ->
errormsg("macro call missing end parenthesis");
+format_error({error, Error}) ->
+ Error;
+format_error({warning, Error}) ->
+ Error;
format_error({unknown, Reason}) ->
errormsg(io_lib:format("unknown error: ~tP", [Reason, 15])).
diff --git a/lib/syntax_tools/src/erl_prettypr.erl b/lib/syntax_tools/src/erl_prettypr.erl
index 60a15c8e3f..6906ef1553 100644
--- a/lib/syntax_tools/src/erl_prettypr.erl
+++ b/lib/syntax_tools/src/erl_prettypr.erl
@@ -675,7 +675,12 @@ lay_2(Node, Ctxt) ->
%% attribute name, without following parentheses.
Ctxt1 = reset_prec(Ctxt),
Args = erl_syntax:attribute_arguments(Node),
- N = erl_syntax:attribute_name(Node),
+ N = case erl_syntax:attribute_name(Node) of
+ {atom, _, 'if'} ->
+ erl_syntax:variable('if');
+ N0 ->
+ N0
+ end,
D = case attribute_type(Node) of
spec ->
[SpecTuple] = Args,
diff --git a/lib/syntax_tools/src/erl_syntax.erl b/lib/syntax_tools/src/erl_syntax.erl
index b816c0699c..758aff32fd 100644
--- a/lib/syntax_tools/src/erl_syntax.erl
+++ b/lib/syntax_tools/src/erl_syntax.erl
@@ -5328,7 +5328,7 @@ revert_map_type_assoc(Node) ->
Pos = get_pos(Node),
Name = map_type_assoc_name(Node),
Value = map_type_assoc_value(Node),
- {type, Pos, map_type_assoc, [Name, Value]}.
+ {type, Pos, map_field_assoc, [Name, Value]}.
%% =====================================================================
@@ -5386,7 +5386,7 @@ revert_map_type_exact(Node) ->
Pos = get_pos(Node),
Name = map_type_exact_name(Node),
Value = map_type_exact_value(Node),
- {type, Pos, map_type_exact, [Name, Value]}.
+ {type, Pos, map_field_exact, [Name, Value]}.
%% =====================================================================
@@ -7223,7 +7223,7 @@ 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 +7257,13 @@ 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 +7339,20 @@ 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 +7425,14 @@ 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 c7f477c4d2..352165893f 100644
--- a/lib/syntax_tools/src/erl_syntax_lib.erl
+++ b/lib/syntax_tools/src/erl_syntax_lib.erl
@@ -1317,6 +1317,8 @@ analyze_attribute(Node) ->
include_lib -> preprocessor;
ifdef -> preprocessor;
ifndef -> preprocessor;
+ 'if' -> preprocessor;
+ elif -> preprocessor;
else -> preprocessor;
endif -> preprocessor;
A ->
@@ -1979,7 +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().
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-09 22:44:59 +0000