diff options
Diffstat (limited to 'lib/tools/src/cover.erl')
| -rw-r--r-- | lib/tools/src/cover.erl | 167 |
1 files changed, 50 insertions, 117 deletions
diff --git a/lib/tools/src/cover.erl b/lib/tools/src/cover.erl index 6aeb251ac2..a24d70ed92 100644 --- a/lib/tools/src/cover.erl +++ b/lib/tools/src/cover.erl @@ -89,8 +89,9 @@ flush/1, stop/0, stop/1]). -export([remote_start/1,get_main_node/0]). -%-export([bump/5]). --export([transform/4]). % for test purposes + +%% Used internally to ensure we upgrade the code to the latest version. +-export([main_process_loop/1,remote_process_loop/1]). -record(main_state, {compiled=[], % [{Module,File}] imported=[], % [{Module,File,ImportFile}] @@ -110,7 +111,6 @@ -define(BUMP_REC_NAME,bump). -record(vars, {module, % atom() Module name - vsn, % atom() init_info=[], % [{M,F,A,C,L}] @@ -230,25 +230,9 @@ compile_directory(Dir) when is_list(Dir) -> compile_directory(Dir, Options) when is_list(Dir), is_list(Options) -> case file:list_dir(Dir) of {ok, Files} -> - - %% Filter out all erl files (except cover.erl) - ErlFileNames = - lists:filter(fun("cover.erl") -> - false; - (File) -> - case filename:extension(File) of - ".erl" -> true; - _ -> false - end - end, - Files), - - %% Create a list of .erl file names (incl path) and call - %% compile_modules/2 with the list of file names. - ErlFiles = lists:map(fun(ErlFileName) -> - filename:join(Dir, ErlFileName) - end, - ErlFileNames), + ErlFiles = [filename:join(Dir, File) || + File <- Files, + filename:extension(File) =:= ".erl"], compile_modules(ErlFiles, Options); Error -> Error @@ -262,7 +246,7 @@ compile_modules([File|Files], Options, Result) -> R = call({compile, File, Options}), compile_modules(Files,Options,[R|Result]); compile_modules([],_Opts,Result) -> - reverse(Result). + lists:reverse(Result). filter_options(Options) -> lists:filter(fun(Option) -> @@ -320,25 +304,9 @@ compile_beam_directory() -> compile_beam_directory(Dir) when is_list(Dir) -> case file:list_dir(Dir) of {ok, Files} -> - - %% Filter out all beam files (except cover.beam) - BeamFileNames = - lists:filter(fun("cover.beam") -> - false; - (File) -> - case filename:extension(File) of - ".beam" -> true; - _ -> false - end - end, - Files), - - %% Create a list of .beam file names (incl path) and call - %% compile_beam/1 for each such file name - BeamFiles = lists:map(fun(BeamFileName) -> - filename:join(Dir, BeamFileName) - end, - BeamFileNames), + BeamFiles = [filename:join(Dir, File) || + File <- Files, + filename:extension(File) =:= ".beam"], compile_beams(BeamFiles); Error -> Error @@ -350,7 +318,7 @@ compile_beams([File|Files],Result) -> R = compile_beam(File), compile_beams(Files,[R|Result]); compile_beams([],Result) -> - reverse(Result). + lists:reverse(Result). %% analyse(Module) -> @@ -613,8 +581,11 @@ main_process_loop(State) -> Compiled = add_compiled(Module, File, State#main_state.compiled), Imported = remove_imported(Module,State#main_state.imported), - main_process_loop(State#main_state{compiled = Compiled, - imported = Imported}); + NewState = State#main_state{compiled = Compiled, + imported = Imported}, + %% This module (cover) could have been reloaded. Make + %% sure we run the new code. + ?MODULE:main_process_loop(NewState); error -> reply(From, {error, File}), main_process_loop(State) @@ -639,8 +610,11 @@ main_process_loop(State) -> end, reply(From,Reply), Imported = remove_imported(Module,State#main_state.imported), - main_process_loop(State#main_state{compiled = Compiled, - imported = Imported}); + NewState = State#main_state{compiled = Compiled, + imported = Imported}, + %% This module (cover) could have been reloaded. Make + %% sure we run the new code. + ?MODULE:main_process_loop(NewState); {error,no_beam} -> %% The module has first been compiled from .erl, and now %% someone tries to compile it from .beam @@ -857,7 +831,7 @@ remote_process_loop(State) -> {remote,load_compiled,Compiled} -> Compiled1 = load_compiled(Compiled,State#remote_state.compiled), remote_reply(State#remote_state.main_node, ok), - remote_process_loop(State#remote_state{compiled=Compiled1}); + ?MODULE:remote_process_loop(State#remote_state{compiled=Compiled1}); {remote,unload,UnloadedModules} -> unload(UnloadedModules), @@ -1257,12 +1231,12 @@ add_imported(M, F1, ImportFile, [{M,_F2,ImportFiles}|Imported], Acc) -> dont_import; false -> NewEntry = {M, F1, [ImportFile | ImportFiles]}, - {ok, reverse([NewEntry | Acc]) ++ Imported} + {ok, lists:reverse([NewEntry | Acc]) ++ Imported} end; add_imported(M, F, ImportFile, [H|Imported], Acc) -> add_imported(M, F, ImportFile, Imported, [H|Acc]); add_imported(M, F, ImportFile, [], Acc) -> - {ok, reverse([{M, F, [ImportFile]} | Acc])}. + {ok, lists:reverse([{M, F, [ImportFile]} | Acc])}. %% Removes a module from the list of imported modules and writes a warning %% This is done when a module is compiled. @@ -1383,9 +1357,9 @@ do_compile_beam(Module,Beam,UserOptions) -> {error,E}; encrypted_abstract_code=E -> {error,E}; - {Vsn,Code} -> + {raw_abstract_v1,Code} -> Forms0 = epp:interpret_file_attribute(Code), - {Forms,Vars} = transform(Vsn, Forms0, Module, Beam), + {Forms,Vars} = transform(Forms0, Module), %% We need to recover the source from the compilation %% info otherwise the newly compiled module will have @@ -1400,7 +1374,7 @@ do_compile_beam(Module,Beam,UserOptions) -> {module, Module} -> %% Store info about all function clauses in database - InitInfo = reverse(Vars#vars.init_info), + 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 @@ -1411,7 +1385,11 @@ do_compile_beam(Module,Beam,UserOptions) -> _Error -> do_clear(Module), error - end + end; + {_VSN,_Code} -> + %% Wrong version of abstract code. Just report that there + %% is no abstract code. + {error,no_abstract_code} end. get_abstract_code(Module, Beam) -> @@ -1445,28 +1423,9 @@ get_compile_info(Module, Beam) -> [] end. -transform(Vsn, Code, Module, Beam) when Vsn=:=abstract_v1; Vsn=:=abstract_v2 -> - Vars0 = #vars{module=Module, vsn=Vsn}, - MainFile=find_main_filename(Code), - {ok, MungedForms,Vars} = transform_2(Code,[],Vars0,MainFile,on), - - %% Add module and export information to the munged forms - %% Information about module_info must be removed as this function - %% is added at compilation - {ok, {Module, [{exports,Exports1}]}} = beam_lib:chunks(Beam, [exports]), - Exports2 = lists:filter(fun(Export) -> - case Export of - {module_info,_} -> false; - _ -> true - end - end, - Exports1), - Forms = [{attribute,1,module,Module}, - {attribute,2,export,Exports2}]++ MungedForms, - {Forms,Vars}; -transform(Vsn=raw_abstract_v1, Code, Module, _Beam) -> +transform(Code, Module) -> MainFile=find_main_filename(Code), - Vars0 = #vars{module=Module, vsn=Vsn}, + Vars0 = #vars{module=Module}, {ok,MungedForms,Vars} = transform_2(Code,[],Vars0,MainFile,on), {MungedForms,Vars}. @@ -1486,7 +1445,7 @@ transform_2([Form0|Forms],MungedForms,Vars,MainFile,Switch) -> transform_2(Forms,[MungedForm|MungedForms],Vars2,MainFile,NewSwitch) end; transform_2([],MungedForms,Vars,_,_) -> - {ok, reverse(MungedForms), Vars}. + {ok, lists:reverse(MungedForms), Vars}. %% Expand short-circuit Boolean expressions. expand(Expr) -> @@ -1553,14 +1512,9 @@ aux_var(Vars, N) -> end. %% This code traverses the abstract code, stored as the abstract_code -%% chunk in the BEAM file, as described in absform(3) for Erlang/OTP R8B -%% (Vsn=abstract_v2). -%% The abstract format after preprocessing differs slightly from the abstract -%% format given eg using epp:parse_form, this has been noted in comments. -%% The switch is turned off when we encounter other files then the main file. +%% chunk in the BEAM file, as described in absform(3). +%% The switch is turned off when we encounter other files than the main file. %% This way we will be able to exclude functions defined in include files. -munge({function,0,module_info,_Arity,_Clauses},_Vars,_MainFile,_Switch) -> - ignore; % module_info will be added again when the forms are recompiled munge({function,Line,Function,Arity,Clauses},Vars,_MainFile,on) -> Vars2 = Vars#vars{function=Function, arity=Arity, @@ -1618,7 +1572,7 @@ munge_clauses([Clause|Clauses], Vars, Lines, MClauses) -> MClauses]) end; munge_clauses([], Vars, Lines, MungedClauses) -> - {reverse(MungedClauses), Vars#vars{lines = Lines}}. + {lists:reverse(MungedClauses), Vars#vars{lines = Lines}}. munge_body(Expr, Vars) -> munge_body(Expr, Vars, [], []). @@ -1662,7 +1616,7 @@ munge_body([Expr|Body], Vars, MungedBody, LastExprBumpLines) -> munge_body(Body, Vars3, MungedExprs1, NewBumps) end; munge_body([], Vars, MungedBody, _LastExprBumpLines) -> - {reverse(MungedBody), Vars}. + {lists:reverse(MungedBody), Vars}. %%% Fix last expression (OTP-8188). A typical example: %%% @@ -1800,16 +1754,16 @@ munge_expr({match,Line,ExprL,ExprR}, Vars) -> munge_expr({tuple,Line,Exprs}, Vars) -> {MungedExprs, Vars2} = munge_exprs(Exprs, Vars, []), {{tuple,Line,MungedExprs}, Vars2}; -munge_expr({record,Line,Expr,Exprs}, Vars) -> - %% Only for Vsn=raw_abstract_v1 - {MungedExprName, Vars2} = munge_expr(Expr, Vars), +munge_expr({record,Line,Name,Exprs}, Vars) -> + {MungedExprFields, Vars2} = munge_exprs(Exprs, Vars, []), + {{record,Line,Name,MungedExprFields}, Vars2}; +munge_expr({record,Line,Arg,Name,Exprs}, Vars) -> + {MungedArg, Vars2} = munge_expr(Arg, Vars), {MungedExprFields, Vars3} = munge_exprs(Exprs, Vars2, []), - {{record,Line,MungedExprName,MungedExprFields}, Vars3}; + {{record,Line,MungedArg,Name,MungedExprFields}, Vars3}; munge_expr({record_field,Line,ExprL,ExprR}, Vars) -> - %% Only for Vsn=raw_abstract_v1 - {MungedExprL, Vars2} = munge_expr(ExprL, Vars), - {MungedExprR, Vars3} = munge_expr(ExprR, Vars2), - {{record_field,Line,MungedExprL,MungedExprR}, Vars3}; + {MungedExprR, Vars2} = munge_expr(ExprR, Vars), + {{record_field,Line,ExprL,MungedExprR}, Vars2}; munge_expr({cons,Line,ExprH,ExprT}, Vars) -> {MungedExprH, Vars2} = munge_expr(ExprH, Vars), {MungedExprT, Vars3} = munge_expr(ExprT, Vars2), @@ -1871,23 +1825,10 @@ munge_expr({'try',Line,Body,Clauses,CatchClauses,After}, Vars) -> {MungedAfter, Vars4} = munge_body(After, Vars3), {{'try',Line,MungedBody,MungedClauses,MungedCatchClauses,MungedAfter}, Vars4}; -%% Difference in abstract format after preprocessing: Funs get an extra -%% element Extra. -%% NOT NECESSARY FOR Vsn=raw_abstract_v1 -munge_expr({'fun',Line,{function,Name,Arity},_Extra}, Vars) -> - {{'fun',Line,{function,Name,Arity}}, Vars}; -munge_expr({'fun',Line,{clauses,Clauses},_Extra}, Vars) -> - {MungedClauses,Vars2}=munge_clauses(Clauses, Vars), - {{'fun',Line,{clauses,MungedClauses}}, Vars2}; munge_expr({'fun',Line,{clauses,Clauses}}, Vars) -> - %% Only for Vsn=raw_abstract_v1 {MungedClauses,Vars2}=munge_clauses(Clauses, Vars), {{'fun',Line,{clauses,MungedClauses}}, Vars2}; -munge_expr({named_fun,Line,Name,Clauses,_Extra}, Vars) -> - {MungedClauses,Vars2}=munge_clauses(Clauses, Vars), - {{named_fun,Line,Name,MungedClauses}, Vars2}; munge_expr({named_fun,Line,Name,Clauses}, Vars) -> - %% Only for Vsn=raw_abstract_v1 {MungedClauses,Vars2}=munge_clauses(Clauses, Vars), {{named_fun,Line,Name,MungedClauses}, Vars2}; munge_expr({bin,Line,BinElements}, Vars) -> @@ -1908,7 +1849,7 @@ munge_exprs([Expr|Exprs], Vars, MungedExprs) -> {MungedExpr, Vars2} = munge_expr(Expr, Vars), munge_exprs(Exprs, Vars2, [MungedExpr|MungedExprs]); munge_exprs([], Vars, MungedExprs) -> - {reverse(MungedExprs), Vars}. + {lists:reverse(MungedExprs), Vars}. %% Every qualifier is decorated with a counter. munge_qualifiers(Qualifiers, Vars) -> @@ -1927,7 +1868,7 @@ munge_qs([Expr|Qs], Vars, MQs) -> {MungedExpr, Vars2} = munge_expr(Expr, Vars), munge_qs1(Qs, L, MungedExpr, Vars, Vars2, MQs); munge_qs([], Vars, MQs) -> - {reverse(MQs), Vars}. + {lists:reverse(MQs), Vars}. munge_qs1(Qs, Line, NQ, Vars, Vars2, MQs) -> case new_bumps(Vars2, Vars) of @@ -2120,7 +2061,7 @@ merge_clauses([{{M,F,A,_C1},R1},{{M,F,A,C2},R2}|Clauses], MFun, Result) -> merge_clauses([{{M,F,A,_C},R}|Clauses], MFun, Result) -> merge_clauses(Clauses, MFun, [{{M,F,A},R}|Result]); merge_clauses([], _Fun, Result) -> - reverse(Result). + lists:reverse(Result). merge_functions([{_MFA,R}|Functions], MFun) -> merge_functions(Functions, MFun, R); @@ -2441,14 +2382,6 @@ not_loaded(_Module,_Else, State) -> %%%--Div----------------------------------------------------------------- -reverse(List) -> - reverse(List,[]). -reverse([H|T],Acc) -> - reverse(T,[H|Acc]); -reverse([],Acc) -> - Acc. - - escape_lt_and_gt(Rawline,HTML) when HTML =/= true -> Rawline; escape_lt_and_gt(Rawline,_HTML) -> |