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-rw-r--r--lib/tools/src/cover.erl48
-rw-r--r--lib/tools/test/cover_SUITE.erl17
-rw-r--r--lib/tools/test/cover_SUITE_data/compile_beam/v.erl7
-rw-r--r--lib/tools/test/cover_SUITE_data/compile_beam/z.erl1
4 files changed, 58 insertions, 15 deletions
diff --git a/lib/tools/src/cover.erl b/lib/tools/src/cover.erl
index 468225dc13..2579711dc7 100644
--- a/lib/tools/src/cover.erl
+++ b/lib/tools/src/cover.erl
@@ -1372,10 +1372,15 @@ do_compile_beam(Module,Beam,UserOptions) ->
Forms0 = epp:interpret_file_attribute(Code),
{Forms,Vars} = transform(Vsn, Forms0, Module, Beam),
+ %% We need to recover the source from the compilation
+ %% info otherwise the newly compiled module will have
+ %% source pointing to the current directory
+ SourceInfo = get_source_info(Module, Beam),
+
%% Compile and load the result
%% It's necessary to check the result of loading since it may
%% fail, for example if Module resides in a sticky directory
- {ok, Module, Binary} = compile:forms(Forms, UserOptions),
+ {ok, Module, Binary} = compile:forms(Forms, SourceInfo ++ UserOptions),
case code:load_binary(Module, ?TAG, Binary) of
{module, Module} ->
@@ -1403,6 +1408,17 @@ get_abstract_code(Module, Beam) ->
Error -> Error
end.
+get_source_info(Module, Beam) ->
+ case beam_lib:chunks(Beam, [compile_info]) of
+ {ok, {Module, [{compile_info, Compile}]}} ->
+ case lists:keyfind(source, 1, Compile) of
+ { source, _ } = Tuple -> [Tuple];
+ false -> []
+ end;
+ _ ->
+ []
+ end.
+
transform(Vsn, Code, Module, Beam) when Vsn=:=abstract_v1; Vsn=:=abstract_v2 ->
Vars0 = #vars{module=Module, vsn=Vsn},
MainFile=find_main_filename(Code),
@@ -1783,17 +1799,11 @@ munge_expr({'catch',Line,Expr}, Vars) ->
{MungedExpr, Vars2} = munge_expr(Expr, Vars),
{{'catch',Line,MungedExpr}, Vars2};
munge_expr({call,Line1,{remote,Line2,ExprM,ExprF},Exprs},
- Vars) when Vars#vars.is_guard=:=false->
+ Vars) ->
{MungedExprM, Vars2} = munge_expr(ExprM, Vars),
{MungedExprF, Vars3} = munge_expr(ExprF, Vars2),
{MungedExprs, Vars4} = munge_exprs(Exprs, Vars3, []),
{{call,Line1,{remote,Line2,MungedExprM,MungedExprF},MungedExprs}, Vars4};
-munge_expr({call,Line1,{remote,_Line2,_ExprM,ExprF},Exprs},
- Vars) when Vars#vars.is_guard=:=true ->
- %% Difference in abstract format after preprocessing: BIF calls in guards
- %% are translated to {remote,...} (which is not allowed as source form)
- %% NOT NECESSARY FOR Vsn=raw_abstract_v1
- munge_expr({call,Line1,ExprF,Exprs}, Vars);
munge_expr({call,Line,Expr,Exprs}, Vars) ->
{MungedExpr, Vars2} = munge_expr(Expr, Vars),
{MungedExprs, Vars3} = munge_exprs(Exprs, Vars2, []),
@@ -1945,7 +1955,7 @@ move_clauses([]) ->
%% Given a .beam file, find the .erl file. Look first in same directory as
%% the .beam file, then in <beamdir>/../src
-find_source(File0) ->
+find_source(Module, File0) ->
case filename:rootname(File0,".beam") of
File0 ->
File0;
@@ -1962,11 +1972,27 @@ find_source(File0) ->
true ->
InDotDotSrc;
false ->
- {beam,File0}
+ find_source_from_module(Module, File0)
end
end
end.
+%% In case we can't find the file from the given .beam,
+%% we try to get the information directly from the module source
+find_source_from_module(Module, File) ->
+ Compile = Module:module_info(compile),
+ case lists:keyfind(source, 1, Compile) of
+ {source, Path} ->
+ case filelib:is_file(Path) of
+ true ->
+ Path;
+ false ->
+ {beam, File}
+ end;
+ false ->
+ {beam, File}
+ end.
+
do_parallel_analysis(Module, Analysis, Level, Loaded, From, State) ->
analyse_info(Module,State#main_state.imported),
C = case Loaded of
@@ -2070,7 +2096,7 @@ do_parallel_analysis_to_file(Module, OutFile, Opts, Loaded, From, State) ->
{imported, File0, _} ->
File0
end,
- case find_source(File) of
+ case find_source(Module, File) of
{beam,_BeamFile} ->
reply(From, {error,no_source_code_found});
ErlFile ->
diff --git a/lib/tools/test/cover_SUITE.erl b/lib/tools/test/cover_SUITE.erl
index 57260a3869..5abc5c41b1 100644
--- a/lib/tools/test/cover_SUITE.erl
+++ b/lib/tools/test/cover_SUITE.erl
@@ -149,7 +149,9 @@ compile(Config) when is_list(Config) ->
ok = beam_lib:crypto_key_fun(simple_crypto_fun(Key)),
{ok,crypt} = cover:compile_beam("crypt.beam")
end,
+ Path = filename:join([?config(data_dir, Config), "compile_beam", "v.erl"]),
?line {ok,v} = cover:compile_beam(v),
+ {source,Path} = lists:keyfind(source, 1, v:module_info(compile)),
?line {ok,w} = cover:compile_beam("w.beam"),
?line {error,{no_abstract_code,"./x.beam"}} = cover:compile_beam(x),
?line {error,{already_cover_compiled,no_beam_found,a}}=cover:compile_beam(a),
@@ -277,12 +279,23 @@ analyse(Config) when is_list(Config) ->
?line f:f2(),
?line {ok, "f.COVER.out"} = cover:analyse_to_file(f),
- %% Source code cannot be found by analyse_to_file
+ %% Source code can be found via source
?line {ok,v} = compile:file("compile_beam/v",[debug_info]),
?line code:purge(v),
?line {module,v} = code:load_file(v),
?line {ok,v} = cover:compile_beam(v),
- ?line {error,no_source_code_found} = cover:analyse_to_file(v),
+ {ok,"v.COVER.out"} = cover:analyse_to_file(v),
+
+ %% Source code cannot be found
+ {ok,_} = file:copy("compile_beam/z.erl", "z.erl"),
+ {ok,z} = compile:file(z,[debug_info]),
+ code:purge(z),
+ {module,z} = code:load_file(z),
+ {ok,z} = cover:compile_beam(z),
+ ok = file:delete("z.erl"),
+ {error,no_source_code_found} = cover:analyse_to_file(z),
+ code:purge(z),
+ code:delete(z),
?line {error,{not_cover_compiled,b}} = cover:analyse(b),
?line {error,{not_cover_compiled,g}} = cover:analyse(g),
diff --git a/lib/tools/test/cover_SUITE_data/compile_beam/v.erl b/lib/tools/test/cover_SUITE_data/compile_beam/v.erl
index 007957297a..7fb0b08d40 100644
--- a/lib/tools/test/cover_SUITE_data/compile_beam/v.erl
+++ b/lib/tools/test/cover_SUITE_data/compile_beam/v.erl
@@ -1,6 +1,9 @@
-module(v).
-
--export([f/0]).
+-compile({ no_auto_import, [is_integer/1] }).
+-export([f/0,f/1]).
f() ->
ok.
+
+f(Number) when erlang:is_integer(Number) ->
+ Number.
diff --git a/lib/tools/test/cover_SUITE_data/compile_beam/z.erl b/lib/tools/test/cover_SUITE_data/compile_beam/z.erl
new file mode 100644
index 0000000000..7a2b143dde
--- /dev/null
+++ b/lib/tools/test/cover_SUITE_data/compile_beam/z.erl
@@ -0,0 +1 @@
+-module(z).
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 07:51:16 +0000