diff options
Diffstat (limited to 'lib/tools/src/cover.erl')
| -rw-r--r-- | lib/tools/src/cover.erl | 76 |
1 files changed, 43 insertions, 33 deletions
diff --git a/lib/tools/src/cover.erl b/lib/tools/src/cover.erl index 8d1cb96504..d16ca7f406 100644 --- a/lib/tools/src/cover.erl +++ b/lib/tools/src/cover.erl @@ -1474,7 +1474,7 @@ do_compile_beam(Module,BeamFile0,State) -> {ok,Module,BeamFile}; error -> {error, BeamFile}; - {error,Reason} -> % no abstract code + {error,Reason} -> % no abstract code or no 'file' attribute {error, {Reason, BeamFile}} end; {error,no_beam} -> @@ -1537,32 +1537,11 @@ do_compile_beam1(Module,Beam,UserOptions) -> {error,E}; {raw_abstract_v1,Code} -> Forms0 = epp:interpret_file_attribute(Code), - {Forms,Vars} = transform(Forms0, Module), - - %% 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, SourceInfo ++ UserOptions), - case code:load_binary(Module, ?TAG, Binary) of - {module, Module} -> - - %% Store info about all function clauses in database - InitInfo = lists:reverse(Vars#vars.init_info), - ets:insert(?COVER_CLAUSE_TABLE, {Module, InitInfo}), - - %% Store binary code so it can be loaded on remote nodes - ets:insert(?BINARY_TABLE, {Module, Binary}), - - {ok, Module}; - - _Error -> - do_clear(Module), - error + case find_main_filename(Forms0) of + {ok,MainFile} -> + do_compile_beam2(Module,Beam,UserOptions,Forms0,MainFile); + Error -> + Error end; {_VSN,_Code} -> %% Wrong version of abstract code. Just report that there @@ -1579,6 +1558,35 @@ get_abstract_code(Module, Beam) -> Error -> Error end. +do_compile_beam2(Module,Beam,UserOptions,Forms0,MainFile) -> + {Forms,Vars} = transform(Forms0, Module, MainFile), + + %% 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, SourceInfo ++ UserOptions), + case code:load_binary(Module, ?TAG, Binary) of + {module, Module} -> + + %% Store info about all function clauses in database + InitInfo = lists:reverse(Vars#vars.init_info), + ets:insert(?COVER_CLAUSE_TABLE, {Module, InitInfo}), + + %% Store binary code so it can be loaded on remote nodes + ets:insert(?BINARY_TABLE, {Module, Binary}), + + {ok, Module}; + + _Error -> + do_clear(Module), + error + end. + get_source_info(Module, Beam) -> Compile = get_compile_info(Module, Beam), case lists:keyfind(source, 1, Compile) of @@ -1601,8 +1609,7 @@ get_compile_info(Module, Beam) -> [] end. -transform(Code, Module) -> - MainFile=find_main_filename(Code), +transform(Code, Module, MainFile) -> Vars0 = #vars{module=Module}, {ok,MungedForms,Vars} = transform_2(Code,[],Vars0,MainFile,on), {MungedForms,Vars}. @@ -1610,9 +1617,12 @@ transform(Code, Module) -> %% Helpfunction which returns the first found file-attribute, which can %% be interpreted as the name of the main erlang source file. find_main_filename([{attribute,_,file,{MainFile,_}}|_]) -> - MainFile; + {ok,MainFile}; find_main_filename([_|Rest]) -> - find_main_filename(Rest). + find_main_filename(Rest); +find_main_filename([]) -> + {error, no_file_attribute}. + transform_2([Form0|Forms],MungedForms,Vars,MainFile,Switch) -> Form = expand(Form0), @@ -1995,7 +2005,7 @@ munge_expr({lc,Line,Expr,Qs}, Vars) -> {{lc,Line,MungedExpr,MungedQs}, Vars3}; munge_expr({bc,Line,Expr,Qs}, Vars) -> {bin,BLine,[{bin_element,EL,Val,Sz,TSL}|Es]} = Expr, - Expr2 = {bin,BLine,[{bin_element,EL,?BLOCK1(Val),Sz,TSL}|Es]}, + Expr2 = {bin,BLine,[{bin_element,EL,Val,Sz,TSL}|Es]}, {MungedExpr,Vars2} = munge_expr(Expr2, Vars), {MungedQs, Vars3} = munge_qualifiers(Qs, Vars2), {{bc,Line,MungedExpr,MungedQs}, Vars3}; @@ -2437,7 +2447,7 @@ do_analyse_to_file1(Module, OutFile, ErlFile, HTML) -> "\n\n"]), Pattern = {#bump{module=Module,line='$1',_='_'},'$2'}, - MS = [{Pattern,[],[{{'$1','$2'}}]}], + MS = [{Pattern,[{is_integer,'$1'},{'>','$1',0}],[{{'$1','$2'}}]}], CovLines = lists:keysort(1,ets:select(?COLLECTION_TABLE, MS)), print_lines(Module, CovLines, InFd, OutFd, 1, HTML), |