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-rw-r--r--lib/syntax_tools/src/igor.erl13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/syntax_tools/src/igor.erl b/lib/syntax_tools/src/igor.erl
index 4557678f9d..1d14bd7c3a 100644
--- a/lib/syntax_tools/src/igor.erl
+++ b/lib/syntax_tools/src/igor.erl
@@ -2612,6 +2612,19 @@ get_module_info(Forms) ->
fold_record_fields(Rs) ->
[{N, [fold_record_field(F) || F <- Fs]} || {N, Fs} <- Rs].
+fold_record_field({_Name, {none, _Type}} = None) ->
+ None;
+fold_record_field({Name, {F, Type}}) ->
+ case erl_syntax:is_literal(F) of
+ true ->
+ {Name, {value, erl_syntax:concrete(F)}, Type};
+ false ->
+ %% The default value for the field is not a constant, so we
+ %% represent it by a hash value instead. (We don't want to
+ %% do this in the general case.)
+ {Name, {hash, erlang:phash(F, 16#ffffff)}, Type}
+ end;
+%% The following two clauses handle code before Erlang/OTP 19.0.
fold_record_field({_Name, none} = None) ->
None;
fold_record_field({Name, F}) ->