diff options
Diffstat (limited to 'lib/syntax_tools/src')
| -rw-r--r-- | lib/syntax_tools/src/erl_syntax.erl | 41 |
1 files changed, 30 insertions, 11 deletions
diff --git a/lib/syntax_tools/src/erl_syntax.erl b/lib/syntax_tools/src/erl_syntax.erl index 029f1e88ac..758aff32fd 100644 --- a/lib/syntax_tools/src/erl_syntax.erl +++ b/lib/syntax_tools/src/erl_syntax.erl @@ -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. |