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-rw-r--r--src/rebar_prv_xref.erl17
1 files changed, 13 insertions, 4 deletions
diff --git a/src/rebar_prv_xref.erl b/src/rebar_prv_xref.erl
index db0f4e4..f358787 100644
--- a/src/rebar_prv_xref.erl
+++ b/src/rebar_prv_xref.erl
@@ -281,12 +281,21 @@ find_mfa_source({M, F, A}) ->
end.
find_function_source(M, F, A, Bin) ->
- AbstractCode = beam_lib:chunks(Bin, [abstract_code]),
- {ok, {M, [{abstract_code, {raw_abstract_v1, Code}}]}} = AbstractCode,
+ ChunksLookup = beam_lib:chunks(Bin, [abstract_code]),
+ {ok, {M, [{abstract_code, AbstractCodeLookup}]}} = ChunksLookup,
+ case AbstractCodeLookup of
+ no_abstract_code ->
+ % There isn't much else we can do at this point
+ {module_not_found, function_not_found};
+ {raw_abstract_v1, AbstractCode} ->
+ find_function_source_in_abstract_code(F, A, AbstractCode)
+ end.
+
+find_function_source_in_abstract_code(F, A, AbstractCode) ->
%% Extract the original source filename from the abstract code
- [{attribute, _, file, {Source, _}} | _] = Code,
+ [{attribute, _, file, {Source, _}} | _] = AbstractCode,
%% Extract the line number for a given function def
- Fn = [E || E <- Code,
+ Fn = [E || E <- AbstractCode,
safe_element(1, E) == function,
safe_element(3, E) == F,
safe_element(4, E) == A],