diff options
Diffstat (limited to 'lib/debugger')
-rw-r--r-- | lib/debugger/src/dbg_icmd.erl | 4 | ||||
-rw-r--r-- | lib/debugger/src/dbg_ieval.erl | 56 | ||||
-rw-r--r-- | lib/debugger/src/dbg_ieval.hrl | 8 | ||||
-rw-r--r-- | lib/debugger/src/dbg_istk.erl | 2 |
4 files changed, 36 insertions, 34 deletions
diff --git a/lib/debugger/src/dbg_icmd.erl b/lib/debugger/src/dbg_icmd.erl index de60f4ad47..c158aad1cf 100644 --- a/lib/debugger/src/dbg_icmd.erl +++ b/lib/debugger/src/dbg_icmd.erl @@ -422,7 +422,7 @@ eval_nonrestricted({From, _Mod, Cmd, _SP}, Bs, eval_nonrestricted_1({match,_,{var,_,Var},Expr}, Bs, Ieval) -> {value,Res,Bs2} = - dbg_ieval:eval_expr(Expr, Bs, Ieval#ieval{last_call=false}), + dbg_ieval:eval_expr(Expr, Bs, Ieval#ieval{top=false}), Bs3 = case lists:keyfind(Var, 1, Bs) of {Var,_Value} -> lists:keyreplace(Var, 1, Bs2, {Var,Res}); @@ -437,7 +437,7 @@ eval_nonrestricted_1({var,_,Var}, Bs, _Ieval) -> {Res,Bs}; eval_nonrestricted_1(Expr, Bs, Ieval) -> {value,Res,Bs2} = - dbg_ieval:eval_expr(Expr, Bs, Ieval#ieval{last_call=false}), + dbg_ieval:eval_expr(Expr, Bs, Ieval#ieval{top=false}), {Res,Bs2}. mark_running(LineNo, Le) -> diff --git a/lib/debugger/src/dbg_ieval.erl b/lib/debugger/src/dbg_ieval.erl index c0ef9c6e7c..cfa8e60d63 100644 --- a/lib/debugger/src/dbg_ieval.erl +++ b/lib/debugger/src/dbg_ieval.erl @@ -385,7 +385,7 @@ catch_value(throw, Reason) -> eval_mfa(Debugged, M, F, As, Ieval) -> Int = get(int), Bs = erl_eval:new_bindings(), - try eval_function(M,F,As,Bs,extern,Ieval#ieval{last_call=true}) of + try eval_function(M,F,As,Bs,extern,Ieval#ieval{top=true}) of {value, Val, _Bs} -> {ready, Val} catch @@ -400,7 +400,7 @@ eval_mfa(Debugged, M, F, As, Ieval) -> eval_function(Mod, Fun, As0, Bs0, _Called, Ieval) when is_function(Fun); Mod =:= ?MODULE, Fun =:= eval_fun -> - #ieval{level=Le, line=Li, last_call=Lc} = Ieval, + #ieval{level=Le, line=Li, top=Top} = Ieval, case lambda(Fun, As0) of {Cs,Module,Name,As,Bs} -> dbg_istk:push({Module,Name,As}, Bs0, Ieval), @@ -412,7 +412,7 @@ eval_function(Mod, Fun, As0, Bs0, _Called, Ieval) when is_function(Fun); trace(return, {Le,Val}), {value, Val, Bs0}; - not_interpreted when Lc -> % We are leaving interpreted code + not_interpreted when Top -> % We are leaving interpreted code trace(call_fun, {Le,Li,Fun,As0}), {value, {dbg_apply,erlang,apply,[Fun,As0]}, Bs0}; not_interpreted -> @@ -438,7 +438,7 @@ eval_function(ct_line, line, As, Bs, extern, #ieval{level=Le}=Ieval) -> {value, ignore, Bs}; eval_function(Mod, Name, As0, Bs0, Called, Ieval) -> - #ieval{level=Le, line=Li, last_call=Lc} = Ieval, + #ieval{level=Le, line=Li, top=Top} = Ieval, dbg_istk:push({Mod,Name,As0}, Bs0, Ieval), trace(call, {Called, {Le,Li,Mod,Name,As0}}), @@ -452,7 +452,7 @@ eval_function(Mod, Name, As0, Bs0, Called, Ieval) -> trace(return, {Le,Val}), {value, Val, Bs0}; - not_interpreted when Lc -> % We are leaving interpreted code + not_interpreted when Top -> % We are leaving interpreted code {value, {dbg_apply,Mod,Name,As0}, Bs0}; not_interpreted -> {value, Val, _Bs} = @@ -594,7 +594,7 @@ seq([E|Es], Bs0, Ieval) -> {skip,Bs} -> seq(Es, Bs, Ieval); Bs1 -> - {value,_,Bs} = expr(E, Bs1, Ieval#ieval{last_call=false}), + {value,_,Bs} = expr(E, Bs1, Ieval#ieval{top=false}), seq(Es, Bs, Ieval) end; seq([], Bs, _) -> @@ -617,7 +617,7 @@ expr({value,Val}, Bs, _Ieval) -> % Special case straight values %% List expr({cons,Line,H0,T0}, Bs0, Ieval0) -> Ieval = Ieval0#ieval{line=Line}, - Ieval1 = Ieval#ieval{last_call=false}, + Ieval1 = Ieval#ieval{top=false}, {value,H,Bs1} = expr(H0,Bs0,Ieval1), {value,T,Bs2} = expr(T0,Bs0,Ieval1), {value,[H|T],merge_bindings(Bs2, Bs1, Ieval)}; @@ -633,7 +633,7 @@ expr({block,Line,Es},Bs,Ieval) -> %% Catch statement expr({'catch',Line,Expr}, Bs0, Ieval) -> - try expr(Expr, Bs0, Ieval#ieval{line=Line, last_call=false}) + try expr(Expr, Bs0, Ieval#ieval{line=Line, top=false}) catch Class:Reason -> %% Exception caught, reset exit info @@ -647,7 +647,7 @@ expr({'catch',Line,Expr}, Bs0, Ieval) -> %% Try-catch statement expr({'try',Line,Es,CaseCs,CatchCs,[]}, Bs0, Ieval0) -> Ieval = Ieval0#ieval{line=Line}, - try seq(Es, Bs0, Ieval#ieval{last_call=false}) of + try seq(Es, Bs0, Ieval#ieval{top=false}) of {value,Val,Bs} = Value -> case CaseCs of [] -> Value; @@ -660,7 +660,7 @@ expr({'try',Line,Es,CaseCs,CatchCs,[]}, Bs0, Ieval0) -> end; expr({'try',Line,Es,CaseCs,CatchCs,As}, Bs0, Ieval0) -> Ieval = Ieval0#ieval{line=Line}, - try seq(Es, Bs0, Ieval#ieval{last_call=false}) of + try seq(Es, Bs0, Ieval#ieval{top=false}) of {value,Val,Bs} = Value -> case CaseCs of [] -> Value; @@ -671,13 +671,13 @@ expr({'try',Line,Es,CaseCs,CatchCs,As}, Bs0, Ieval0) -> Class:Reason when CatchCs =/= [] -> catch_clauses({Class,Reason,[]}, CatchCs, Bs0, Ieval) after - seq(As, Bs0, Ieval#ieval{last_call=false}) + seq(As, Bs0, Ieval#ieval{top=false}) end; %% Case statement expr({'case',Line,E,Cs}, Bs0, Ieval) -> {value,Val,Bs} = - expr(E, Bs0, Ieval#ieval{line=Line, last_call=false}), + expr(E, Bs0, Ieval#ieval{line=Line, top=false}), case_clauses(Val, Cs, Bs, case_clause, Ieval#ieval{line=Line}); %% If statement @@ -686,20 +686,20 @@ expr({'if',Line,Cs}, Bs, Ieval) -> %% Andalso/orelse expr({'andalso',Line,E1,E2}, Bs, Ieval) -> - case expr(E1, Bs, Ieval#ieval{line=Line, last_call=false}) of + case expr(E1, Bs, Ieval#ieval{line=Line, top=false}) of {value,false,_}=Res -> Res; {value,true,_} -> - expr(E2, Bs, Ieval#ieval{line=Line, last_call=false}); + expr(E2, Bs, Ieval#ieval{line=Line, top=false}); {value,Val,Bs} -> exception(error, {badarg,Val}, Bs, Ieval) end; expr({'orelse',Line,E1,E2}, Bs, Ieval) -> - case expr(E1, Bs, Ieval#ieval{line=Line, last_call=false}) of + case expr(E1, Bs, Ieval#ieval{line=Line, top=false}) of {value,true,_}=Res -> Res; {value,false,_} -> - expr(E2, Bs, Ieval#ieval{line=Line, last_call=false}); + expr(E2, Bs, Ieval#ieval{line=Line, top=false}); {value,Val,_} -> exception(error, {badarg,Val}, Bs, Ieval) end; @@ -707,7 +707,7 @@ expr({'orelse',Line,E1,E2}, Bs, Ieval) -> %% Matching expression expr({match,Line,Lhs,Rhs0}, Bs0, Ieval0) -> Ieval = Ieval0#ieval{line=Line}, - {value,Rhs,Bs1} = expr(Rhs0, Bs0, Ieval#ieval{last_call=false}), + {value,Rhs,Bs1} = expr(Rhs0, Bs0, Ieval#ieval{top=false}), case match(Lhs, Rhs, Bs1) of {match,Bs} -> {value,Rhs,Bs}; @@ -876,7 +876,7 @@ expr({'receive',Line,Cs}, Bs0, #ieval{level=Le}=Ieval) -> %% Receive..after statement expr({'receive',Line,Cs,To,ToExprs}, Bs0, #ieval{level=Le}=Ieval0) -> Ieval = Ieval0#ieval{line=Line}, - {value,ToVal,ToBs} = expr(To, Bs0, Ieval#ieval{last_call=false}), + {value,ToVal,ToBs} = expr(To, Bs0, Ieval#ieval{top=false}), trace(receivex, {Le,true}), check_timeoutvalue(ToVal, ToBs, To, Ieval), {Stamp,_} = statistics(wall_clock), @@ -886,7 +886,7 @@ expr({'receive',Line,Cs,To,ToExprs}, Bs0, #ieval{level=Le}=Ieval0) -> %% Send (!) expr({send,Line,To0,Msg0}, Bs0, Ieval0) -> Ieval = Ieval0#ieval{line=Line}, - Ieval1 = Ieval#ieval{last_call=false}, + Ieval1 = Ieval#ieval{top=false}, {value,To,Bs1} = expr(To0, Bs0, Ieval1), {value,Msg,Bs2} = expr(Msg0, Bs0, Ieval1), Bs = merge_bindings(Bs2, Bs1, Ieval), @@ -923,12 +923,12 @@ eval_lc(E, Qs, Bs, Ieval) -> eval_lc1(E, [{generate,Line,P,L0}|Qs], Bs0, Ieval0) -> Ieval = Ieval0#ieval{line=Line}, - {value,L1,Bs1} = expr(L0, Bs0, Ieval#ieval{last_call=false}), + {value,L1,Bs1} = expr(L0, Bs0, Ieval#ieval{top=false}), CompFun = fun(NewBs) -> eval_lc1(E, Qs, NewBs, Ieval) end, eval_generate(L1, P, Bs1, CompFun, Ieval); eval_lc1(E, [{b_generate,Line,P,L0}|Qs], Bs0, Ieval0) -> Ieval = Ieval0#ieval{line=Line}, - {value,Bin,_} = expr(L0, Bs0, Ieval#ieval{last_call=false}), + {value,Bin,_} = expr(L0, Bs0, Ieval#ieval{top=false}), CompFun = fun(NewBs) -> eval_lc1(E, Qs, NewBs, Ieval) end, eval_b_generate(Bin, P, Bs0, CompFun, Ieval); eval_lc1(E, [{guard,Q}|Qs], Bs0, Ieval) -> @@ -937,13 +937,13 @@ eval_lc1(E, [{guard,Q}|Qs], Bs0, Ieval) -> false -> [] end; eval_lc1(E, [Q|Qs], Bs0, Ieval) -> - case expr(Q, Bs0, Ieval#ieval{last_call=false}) of + case expr(Q, Bs0, Ieval#ieval{top=false}) of {value,true,Bs} -> eval_lc1(E, Qs, Bs, Ieval); {value,false,_Bs} -> []; {value,V,Bs} -> exception(error, {bad_filter,V}, Bs, Ieval) end; eval_lc1(E, [], Bs, Ieval) -> - {value,V,_} = expr(E, Bs, Ieval#ieval{last_call=false}), + {value,V,_} = expr(E, Bs, Ieval#ieval{top=false}), [V]. %% eval_bc(Expr,[Qualifier],Bindings,IevalState) -> @@ -956,12 +956,12 @@ eval_bc(E, Qs, Bs, Ieval) -> eval_bc1(E, [{generate,Line,P,L0}|Qs], Bs0, Ieval0) -> Ieval = Ieval0#ieval{line=Line}, - {value,L1,Bs1} = expr(L0, Bs0, Ieval#ieval{last_call=false}), + {value,L1,Bs1} = expr(L0, Bs0, Ieval#ieval{top=false}), CompFun = fun(NewBs) -> eval_bc1(E, Qs, NewBs, Ieval) end, eval_generate(L1, P, Bs1, CompFun, Ieval); eval_bc1(E, [{b_generate,Line,P,L0}|Qs], Bs0, Ieval0) -> Ieval = Ieval0#ieval{line=Line}, - {value,Bin,_} = expr(L0, Bs0, Ieval#ieval{last_call=false}), + {value,Bin,_} = expr(L0, Bs0, Ieval#ieval{top=false}), CompFun = fun(NewBs) -> eval_bc1(E, Qs, NewBs, Ieval) end, eval_b_generate(Bin, P, Bs0, CompFun, Ieval); eval_bc1(E, [{guard,Q}|Qs], Bs0, Ieval) -> @@ -970,13 +970,13 @@ eval_bc1(E, [{guard,Q}|Qs], Bs0, Ieval) -> false -> [] end; eval_bc1(E, [Q|Qs], Bs0, Ieval) -> - case expr(Q, Bs0, Ieval#ieval{last_call=false}) of + case expr(Q, Bs0, Ieval#ieval{top=false}) of {value,true,Bs} -> eval_bc1(E, Qs, Bs, Ieval); {value,false,_Bs} -> []; {value,V,Bs} -> exception(error, {bad_filter,V}, Bs, Ieval) end; eval_bc1(E, [], Bs, Ieval) -> - {value,V,_} = expr(E, Bs, Ieval#ieval{last_call=false}), + {value,V,_} = expr(E, Bs, Ieval#ieval{top=false}), [V]. eval_generate([V|Rest], P, Bs0, CompFun, Ieval) -> @@ -1185,7 +1185,7 @@ eval_list(Es, Bs, Ieval) -> eval_list(Es, [], Bs, Bs, Ieval). eval_list([E|Es], Vs, BsOrig, Bs0, Ieval) -> - {value,V,Bs1} = expr(E, BsOrig, Ieval#ieval{last_call=false}), + {value,V,Bs1} = expr(E, BsOrig, Ieval#ieval{top=false}), eval_list(Es, [V|Vs], BsOrig, merge_bindings(Bs1,Bs0,Ieval), Ieval); eval_list([], Vs, _, Bs, _Ieval) -> {lists:reverse(Vs,[]),Bs}. diff --git a/lib/debugger/src/dbg_ieval.hrl b/lib/debugger/src/dbg_ieval.hrl index a344748f48..ea6189ad02 100644 --- a/lib/debugger/src/dbg_ieval.hrl +++ b/lib/debugger/src/dbg_ieval.hrl @@ -21,6 +21,8 @@ module, % MFA which called the currently function, % interpreted function arguments, % - last_call = false % True if current expression is - }). % the VERY last to be evaluated - % (ie at all, not only in a clause) + + %% True if the current expression is at the top level + %% (i.e. the next call will leave interpreted code). + top = false + }). diff --git a/lib/debugger/src/dbg_istk.erl b/lib/debugger/src/dbg_istk.erl index 8331f46eb8..b852e1f8fd 100644 --- a/lib/debugger/src/dbg_istk.erl +++ b/lib/debugger/src/dbg_istk.erl @@ -61,7 +61,7 @@ init(Stack) -> %% false - nothing is pushed %% Whenever a function returns, the corresponding call frame is popped. -push(MFA, Bs, #ieval{level=Le,module=Cm,line=Li,last_call=Lc}) -> +push(MFA, Bs, #ieval{level=Le,module=Cm,line=Li,top=Lc}) -> Entry = #e{level=Le,mfa=MFA,cm=Cm,line=Li,bindings=Bs}, case get(trace_stack) of false -> ignore; |