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Diffstat (limited to 'lib/test_server/src/test_server_line.erl')
| -rw-r--r-- | lib/test_server/src/test_server_line.erl | 387 |
1 files changed, 0 insertions, 387 deletions
diff --git a/lib/test_server/src/test_server_line.erl b/lib/test_server/src/test_server_line.erl deleted file mode 100644 index 848a9c23dd..0000000000 --- a/lib/test_server/src/test_server_line.erl +++ /dev/null @@ -1,387 +0,0 @@ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2004-2010. All Rights Reserved. -%% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. -%% -%% %CopyrightEnd% -%% --module(test_server_line). - -%% User interface --export([get_lines/0]). --export([clear/0]). - -%% Parse transform functions --export([parse_transform/2]). --export(['$test_server_line'/3]). --export(['$test_server_lineQ'/3]). --export([trace_line/3]). - --define(TEST_SERVER_LINE_SIZE, 10). -%-define(STORAGE_FUNCTION, '$test_server_line'). --define(STORAGE_FUNCTION, '$test_server_lineQ'). - --include("test_server.hrl"). - --record(vars, {module, % atom() Module name - function, % atom() Function name - arity, % int() Function arity - lines, % [int()] seen lines - is_guard=false, % boolean() - no_lines=[], % [{atom(),integer()}] - % Functions to exclude - line_trace=false - }). - - - - -%% Process dictionary littering variant -%% - -'$test_server_line'(Mod, Func, Line) -> - {Prev,Next} = - case get('$test_server_line') of - I when is_integer(I) -> - if 1 =< I, I < ?TEST_SERVER_LINE_SIZE -> {I,I+1}; - true -> {?TEST_SERVER_LINE_SIZE,1} - end; - _ -> {?TEST_SERVER_LINE_SIZE,1} - end, - PrevTag = {'$test_server_line',Prev}, - case get(PrevTag) of - {Mod,Func,_} -> put(PrevTag, {Mod,Func,Line}); - _ -> - put({'$test_server_line',Next}, {Mod,Func,Line}), - put('$test_server_line', Next) - end, ok. - -test_server_line_get() -> - case get('$test_server_line') of - I when is_integer(I), 1 =< I, I =< ?TEST_SERVER_LINE_SIZE -> - test_server_line_get_1(?TEST_SERVER_LINE_SIZE, I, []); - _ -> [] - end. - -test_server_line_get_1(0, _I, R) -> - R; -test_server_line_get_1(Cnt, I, R) -> - J = if I < ?TEST_SERVER_LINE_SIZE -> I+1; - true -> 1 end, - case get({'$test_server_line',J}) of - undefined -> - %% Less than ?TEST_SERVER_LINE_SIZE number of lines stored - %% Start from line 1 and stop at actutual number of lines - case get({'$test_server_line',1}) of - undefined -> R; % no lines at all stored - E -> test_server_line_get_1(I-1,1,[E|R]) - end; - E -> - test_server_line_get_1(Cnt-1, J, [E|R]) - end. - -test_server_line_clear() -> - Is = lists:seq(1,?TEST_SERVER_LINE_SIZE), - lists:foreach(fun (I) -> erase({'$test_server_line',I}) end, Is), - erase('$test_server_line'), - ok. - - -%% Queue variant, uses just one process dictionary entry -%% - -'$test_server_lineQ'(Mod, Func, Line) -> - case get('$test_server_lineQ') of - {I,Q} when is_integer(I), 1 =< I, I =< ?TEST_SERVER_LINE_SIZE -> - case queue:head(Q) of - {Mod,Func,_} -> - %% Replace queue head - put('$test_server_lineQ', - {I,queue:cons({Mod,Func,Line}, queue:tail(Q))}); - _ when I < ?TEST_SERVER_LINE_SIZE -> - put('$test_server_lineQ', - {I+1,queue:cons({Mod,Func,Line}, Q)}); - _ -> - %% Waste last in queue - put('$test_server_lineQ', - {I,queue:cons({Mod,Func,Line}, queue:lait(Q))}) - end; - _ -> - Q = queue:new(), - put('$test_server_lineQ', {1,queue:cons({Mod,Func,Line}, Q)}) - end, ok. - -%test_server_lineQ_get() -> -% case get('$test_server_lineQ') of -% {I,Q} when integer(I), 1 =< I, I =< ?TEST_SERVER_LINE_SIZE -> -% queue:to_list(Q); -% _ -> [] -% end. - -test_server_lineQ_clear() -> - erase('$test_server_lineQ'), - ok. - - -%% Get line - check if queue or dictionary is used, then get the lines -%% - -get_lines() -> - case get('$test_server_lineQ') of - {I,Q} when is_integer(I), 1 =< I, I =< ?TEST_SERVER_LINE_SIZE -> - queue:to_list(Q); - _ -> - test_server_line_get() - end. - -%% Clear all dictionary entries -%% -clear() -> - test_server_line_clear(), - test_server_lineQ_clear(). - - -trace_line(Mod,Func,Line) -> - io:format(lists:concat([Mod,":",Func,",",integer_to_list(Line),": ~p"]), - [erlang:now()]). - - -%%%================================================================= -%%%========= **** PARSE TRANSFORM **** ======================== -%%%================================================================= -parse_transform(Forms, _Options) -> - transform(Forms, _Options). - -%% forms(Fs) -> lists:map(fun (F) -> form(F) end, Fs). - -transform(Forms, _Options)-> - Vars0 = #vars{}, - {ok, MungedForms, _Vars} = transform(Forms, [], Vars0), - MungedForms. - - -transform([Form|Forms], MungedForms, Vars) -> - case munge(Form, Vars) of - ignore -> - transform(Forms, MungedForms, Vars); - {MungedForm, Vars2} -> - transform(Forms, [MungedForm|MungedForms], Vars2) - end; -transform([], MungedForms, Vars) -> - {ok, lists:reverse(MungedForms), Vars}. - -%% 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. -munge(Form={attribute,_,module,Module}, Vars) -> - Vars2 = Vars#vars{module=Module}, - {Form, Vars2}; - -munge(Form={attribute,_,no_lines,Funcs}, Vars) -> - Vars2 = Vars#vars{no_lines=Funcs}, - {Form, Vars2}; - -munge(Form={attribute,_,line_trace,_}, Vars) -> - Vars2 = Vars#vars{line_trace=true}, - {Form, Vars2}; - -munge({function,0,module_info,_Arity,_Clauses}, _Vars) -> - ignore; % module_info will be added again when the forms are recompiled -munge(Form = {function,Line,Function,Arity,Clauses}, Vars) -> - case lists:member({Function,Arity},Vars#vars.no_lines) of - true -> - %% Line numbers in this function shall not be stored - {Form,Vars}; - false -> - Vars2 = Vars#vars{function=Function, - arity=Arity, - lines=[]}, - {MungedClauses, Vars3} = munge_clauses(Clauses, Vars2, []), - {{function,Line,Function,Arity,MungedClauses}, Vars3} - end; -munge(Form, Vars) -> % attributes - {Form, Vars}. - -munge_clauses([{clause,Line,Pattern,Guards,Body}|Clauses], Vars, MClauses) -> - {MungedGuards, _Vars} = munge_exprs(Guards, Vars#vars{is_guard=true},[]), - {MungedBody, Vars2} = munge_body(Body, Vars, []), - munge_clauses(Clauses, Vars2, - [{clause,Line,Pattern,MungedGuards,MungedBody}| - MClauses]); -munge_clauses([], Vars, MungedClauses) -> - {lists:reverse(MungedClauses), Vars}. - -munge_body([Expr|Body], Vars, MungedBody) -> - %% Here is the place to add a call to storage function! - Line = element(2, Expr), - Lines = Vars#vars.lines, - case lists:member(Line,Lines) of - true -> % already a bump at this line! - {MungedExpr, Vars2} = munge_expr(Expr, Vars), - munge_body(Body, Vars2, [MungedExpr|MungedBody]); - false -> - Bump = {call, 0, {remote,0, - {atom,0,?MODULE}, - {atom,0,?STORAGE_FUNCTION}}, - [{atom,0,Vars#vars.module}, - {atom, 0, Vars#vars.function}, - {integer, 0, Line}]}, - Lines2 = [Line|Lines], - - {MungedExpr, Vars2} = munge_expr(Expr, Vars#vars{lines=Lines2}), - MungedBody2 = - if Vars#vars.line_trace -> - LineTrace = {call, 0, {remote,0, - {atom,0,?MODULE}, - {atom,0,trace_line}}, - [{atom,0,Vars#vars.module}, - {atom, 0, Vars#vars.function}, - {integer, 0, Line}]}, - [MungedExpr,LineTrace,Bump|MungedBody]; - true -> - [MungedExpr,Bump|MungedBody] - end, - munge_body(Body, Vars2, MungedBody2) - end; -munge_body([], Vars, MungedBody) -> - {lists:reverse(MungedBody), Vars}. - -munge_expr({match,Line,ExprL,ExprR}, Vars) -> - {MungedExprL, Vars2} = munge_expr(ExprL, Vars), - {MungedExprR, Vars3} = munge_expr(ExprR, Vars2), - {{match,Line,MungedExprL,MungedExprR}, Vars3}; -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), - {MungedExprFields, Vars3} = munge_exprs(Exprs, Vars2, []), - {{record,Line,MungedExprName,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}; -munge_expr({cons,Line,ExprH,ExprT}, Vars) -> - {MungedExprH, Vars2} = munge_expr(ExprH, Vars), - {MungedExprT, Vars3} = munge_expr(ExprT, Vars2), - {{cons,Line,MungedExprH,MungedExprT}, Vars3}; -munge_expr({op,Line,Op,ExprL,ExprR}, Vars) -> - {MungedExprL, Vars2} = munge_expr(ExprL, Vars), - {MungedExprR, Vars3} = munge_expr(ExprR, Vars2), - {{op,Line,Op,MungedExprL,MungedExprR}, Vars3}; -munge_expr({op,Line,Op,Expr}, Vars) -> - {MungedExpr, Vars2} = munge_expr(Expr, Vars), - {{op,Line,Op,MungedExpr}, Vars2}; -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-> - {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, []), - {{call,Line,MungedExpr,MungedExprs}, Vars3}; -munge_expr({lc,Line,Expr,LC}, Vars) -> - {MungedExpr, Vars2} = munge_expr(Expr, Vars), - {MungedLC, Vars3} = munge_lc(LC, Vars2, []), - {{lc,Line,MungedExpr,MungedLC}, Vars3}; -munge_expr({block,Line,Body}, Vars) -> - {MungedBody, Vars2} = munge_body(Body, Vars, []), - {{block,Line,MungedBody}, Vars2}; -munge_expr({'if',Line,Clauses}, Vars) -> - {MungedClauses,Vars2} = munge_clauses(Clauses, Vars, []), - {{'if',Line,MungedClauses}, Vars2}; -munge_expr({'case',Line,Expr,Clauses}, Vars) -> - {MungedExpr,Vars2} = munge_expr(Expr,Vars), - {MungedClauses,Vars3} = munge_clauses(Clauses, Vars2, []), - {{'case',Line,MungedExpr,MungedClauses}, Vars3}; -munge_expr({'receive',Line,Clauses}, Vars) -> - {MungedClauses,Vars2} = munge_clauses(Clauses, Vars, []), - {{'receive',Line,MungedClauses}, Vars2}; -munge_expr({'receive',Line,Clauses,Expr,Body}, Vars) -> - {MungedClauses,Vars2} = munge_clauses(Clauses, Vars, []), - {MungedExpr, Vars3} = munge_expr(Expr, Vars2), - {MungedBody, Vars4} = munge_body(Body, Vars3, []), - {{'receive',Line,MungedClauses,MungedExpr,MungedBody}, Vars4}; -munge_expr({'try',Line,Exprs,Clauses,CatchClauses,After}, Vars) -> - {MungedExprs, Vars1} = munge_exprs(Exprs, Vars, []), - {MungedClauses, Vars2} = munge_clauses(Clauses, Vars1, []), - {MungedCatchClauses, Vars3} = munge_clauses(CatchClauses, Vars2, []), - {MungedAfter, Vars4} = munge_body(After, Vars3, []), - {{'try',Line,MungedExprs,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({bc,Line,Expr,LC}, Vars) -> - {MungedExpr, Vars2} = munge_expr(Expr, Vars), - {MungedLC, Vars3} = munge_lc(LC, Vars2, []), - {{bc,Line,MungedExpr,MungedLC}, Vars3}; -munge_expr(Form, Vars) -> % var|char|integer|float|string|atom|nil|bin|eof - {Form, Vars}. - -munge_exprs([Expr|Exprs], Vars, MungedExprs) when Vars#vars.is_guard==true, - is_list(Expr) -> - {MungedExpr, _Vars} = munge_exprs(Expr, Vars, []), - munge_exprs(Exprs, Vars, [MungedExpr|MungedExprs]); -munge_exprs([Expr|Exprs], Vars, MungedExprs) -> - {MungedExpr, Vars2} = munge_expr(Expr, Vars), - munge_exprs(Exprs, Vars2, [MungedExpr|MungedExprs]); -munge_exprs([], Vars, MungedExprs) -> - {lists:reverse(MungedExprs), Vars}. - -munge_lc([{generate,Line,Pattern,Expr}|LC], Vars, MungedLC) -> - {MungedExpr, Vars2} = munge_expr(Expr, Vars), - munge_lc(LC, Vars2, [{generate,Line,Pattern,MungedExpr}|MungedLC]); -munge_lc([{b_generate,Line,Pattern,Expr}|LC], Vars, MungedLC) -> - {MungedExpr, Vars2} = munge_expr(Expr, Vars), - munge_lc(LC, Vars2, [{b_generate,Line,Pattern,MungedExpr}|MungedLC]); -munge_lc([Expr|LC], Vars, MungedLC) -> - {MungedExpr, Vars2} = munge_expr(Expr, Vars), - munge_lc(LC, Vars2, [MungedExpr|MungedLC]); -munge_lc([], Vars, MungedLC) -> - {lists:reverse(MungedLC), Vars}. - - - - - - - - - - |