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authorHans Bolinder <[email protected]>2015-06-30 16:43:02 +0200
committerHans Bolinder <[email protected]>2015-09-15 14:15:49 +0200
commit5ba36a3857eb2673d28fd33ec4655da41ee78d3d (patch)
treeb10039f459057438f60c3a9feb57cbc8c6edd33e /lib/test_server/src/erl2html2.erl
parent7fd49429e85a1fe2c24b76bd5d3d8dfddc908822 (diff)
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test_server: Fix a bug related to the use of the erl_anno module
The (harmless) bug was introduced in 42cf8b8.
Diffstat (limited to 'lib/test_server/src/erl2html2.erl')
-rw-r--r--lib/test_server/src/erl2html2.erl31
1 files changed, 20 insertions, 11 deletions
diff --git a/lib/test_server/src/erl2html2.erl b/lib/test_server/src/erl2html2.erl
index 2c63103264..e281c9de1b 100644
--- a/lib/test_server/src/erl2html2.erl
+++ b/lib/test_server/src/erl2html2.erl
@@ -170,23 +170,32 @@ get_line(Anno) ->
%%%-----------------------------------------------------------------
%%% Find the line number of the last expression in the function
find_clause_lines([{clause,CL,_Params,_Op,Exprs}], CLs) -> % last clause
- try tuple_to_list(lists:last(Exprs)) of
- [_Type,ExprLine | _] when is_integer(ExprLine) ->
- {lists:reverse([{clause,get_line(CL)}|CLs]), get_line(ExprLine)};
- [tree,_ | Exprs1] ->
+ case classify_exprs(Exprs) of
+ {anno, Anno} ->
+ {lists:reverse([{clause,get_line(CL)}|CLs]), get_line(Anno)};
+ {tree, Exprs1} ->
find_clause_lines([{clause,CL,undefined,undefined,Exprs1}], CLs);
- [macro,{_var,ExprLine,_MACRO} | _] when is_integer(ExprLine) ->
- {lists:reverse([{clause,get_line(CL)}|CLs]), get_line(ExprLine)};
- _ ->
- {lists:reverse([{clause,get_line(CL)}|CLs]), get_line(CL)}
- catch
- _:_ ->
+ unknown ->
{lists:reverse([{clause,get_line(CL)}|CLs]), get_line(CL)}
end;
-
find_clause_lines([{clause,CL,_Params,_Op,_Exprs} | Cs], CLs) ->
find_clause_lines(Cs, [{clause,get_line(CL)}|CLs]).
+classify_exprs(Exprs) ->
+ case tuple_to_list(lists:last(Exprs)) of
+ [macro,{_var,Anno,_MACRO} | _] ->
+ {anno, Anno};
+ [T,ExprAnno | Exprs1] ->
+ case erl_anno:is_anno(ExprAnno) of
+ true ->
+ {anno, ExprAnno};
+ false when T =:= tree ->
+ {tree, Exprs1};
+ false ->
+ unknown
+ end
+ end.
+
%%%-----------------------------------------------------------------
%%% Add a link target for each line and one for each function definition.
build_html(SFd,DFd,Encoding,FuncsAndCs) ->