diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/tools/src/cover.erl | 61 |
1 files changed, 11 insertions, 50 deletions
diff --git a/lib/tools/src/cover.erl b/lib/tools/src/cover.erl index 7123ce8680..ca5f06efc3 100644 --- a/lib/tools/src/cover.erl +++ b/lib/tools/src/cover.erl @@ -89,8 +89,6 @@ 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]). @@ -113,7 +111,6 @@ -define(BUMP_REC_NAME,bump). -record(vars, {module, % atom() Module name - vsn, % atom() init_info=[], % [{M,F,A,C,L}] @@ -1360,9 +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 @@ -1388,7 +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) -> @@ -1422,28 +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}. @@ -1530,14 +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, @@ -1778,16 +1755,13 @@ munge_expr({tuple,Line,Exprs}, Vars) -> {MungedExprs, Vars2} = munge_exprs(Exprs, Vars, []), {{tuple,Line,MungedExprs}, Vars2}; munge_expr({record,Line,Name,Exprs}, Vars) -> - %% Only for Vsn=raw_abstract_v1 {MungedExprFields, Vars2} = munge_exprs(Exprs, Vars, []), {{record,Line,Name,MungedExprFields}, Vars2}; munge_expr({record,Line,Arg,Name,Exprs}, Vars) -> - %% Only for Vsn=raw_abstract_v1 {MungedArg, Vars2} = munge_expr(Arg, Vars), {MungedExprFields, Vars3} = munge_exprs(Exprs, Vars2, []), {{record,Line,MungedArg,Name,MungedExprFields}, Vars3}; munge_expr({record_field,Line,ExprL,ExprR}, Vars) -> - %% Only for Vsn=raw_abstract_v1 {MungedExprR, Vars2} = munge_expr(ExprR, Vars), {{record_field,Line,ExprL,MungedExprR}, Vars2}; munge_expr({cons,Line,ExprH,ExprT}, Vars) -> @@ -1851,23 +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) -> |