aboutsummaryrefslogtreecommitdiffstats
path: root/lib/compiler/src/v3_core.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/compiler/src/v3_core.erl')
-rw-r--r--lib/compiler/src/v3_core.erl227
1 files changed, 96 insertions, 131 deletions
diff --git a/lib/compiler/src/v3_core.erl b/lib/compiler/src/v3_core.erl
index 612660c2d6..9dd6b319a3 100644
--- a/lib/compiler/src/v3_core.erl
+++ b/lib/compiler/src/v3_core.erl
@@ -66,6 +66,7 @@
%% match arguments are novars
%% case arguments are novars
%% receive timeouts are novars
+%% binaries and maps are novars
%% let/set arguments are expressions
%% fun is not a safe
@@ -105,7 +106,9 @@
-record(iset, {anno=#a{},var,arg}).
-record(itry, {anno=#a{},args,vars,body,evars,handler}).
-record(ifilter, {anno=#a{},arg}).
--record(igen, {anno=#a{},acc_pat,acc_guard,skip_pat,tail,tail_pat,arg}).
+-record(igen, {anno=#a{},ceps=[],acc_pat,acc_guard,
+ skip_pat,tail,tail_pat,arg}).
+-record(isimple, {anno=#a{},term :: cerl:cerl()}).
-type iapply() :: #iapply{}.
-type ibinary() :: #ibinary{}.
@@ -124,11 +127,12 @@
-type itry() :: #itry{}.
-type ifilter() :: #ifilter{}.
-type igen() :: #igen{}.
+-type isimple() :: #isimple{}.
-type i() :: iapply() | ibinary() | icall() | icase() | icatch()
| iclause() | ifun() | iletrec() | imatch() | iprimop()
| iprotect() | ireceive1() | ireceive2() | iset() | itry()
- | ifilter() | igen().
+ | ifilter() | igen() | isimple().
-type warning() :: {file:filename(), [{integer(), module(), term()}]}.
@@ -287,13 +291,15 @@ gexpr({protect,Line,Arg}, Bools0, St0) ->
{#iprotect{anno=#a{anno=Anno},body=Eps++[E]},[],Bools0,St}
end;
gexpr({op,L,'andalso',E1,E2}, Bools, St0) ->
- {#c_var{name=V0},St} = new_var(L, St0),
+ Anno = lineno_anno(L, St0),
+ {#c_var{name=V0},St} = new_var(Anno, St0),
V = {var,L,V0},
False = {atom,L,false},
E = make_bool_switch_guard(L, E1, V, E2, False),
gexpr(E, Bools, St);
gexpr({op,L,'orelse',E1,E2}, Bools, St0) ->
- {#c_var{name=V0},St} = new_var(L, St0),
+ Anno = lineno_anno(L, St0),
+ {#c_var{name=V0},St} = new_var(Anno, St0),
V = {var,L,V0},
True = {atom,L,true},
E = make_bool_switch_guard(L, E1, V, True, E2),
@@ -382,33 +388,30 @@ gexpr_test(E0, Bools0, St0) ->
Lanno = Anno#a.anno,
{New,St2} = new_var(Lanno, St1),
Bools = [New|Bools0],
- {#icall{anno=Anno, %Must have an #a{}
- module=#c_literal{anno=Lanno,val=erlang},
- name=#c_literal{anno=Lanno,val='=:='},
- args=[New,#c_literal{anno=Lanno,val=true}]},
+ {icall_eq_true(New),
Eps0 ++ [#iset{anno=Anno,var=New,arg=E1}],Bools,St2}
end;
_ ->
- Anno = get_ianno(E1),
Lanno = get_lineno_anno(E1),
+ ACompGen = #a{anno=[compiler_generated]},
case is_simple(E1) of
true ->
Bools = [E1|Bools0],
- {#icall{anno=Anno, %Must have an #a{}
- module=#c_literal{anno=Lanno,val=erlang},
- name=#c_literal{anno=Lanno,val='=:='},
- args=[E1,#c_literal{anno=Lanno,val=true}]},Eps0,Bools,St1};
+ {icall_eq_true(E1),Eps0,Bools,St1};
false ->
{New,St2} = new_var(Lanno, St1),
Bools = [New|Bools0],
- {#icall{anno=Anno, %Must have an #a{}
- module=#c_literal{anno=Lanno,val=erlang},
- name=#c_literal{anno=Lanno,val='=:='},
- args=[New,#c_literal{anno=Lanno,val=true}]},
- Eps0 ++ [#iset{anno=Anno,var=New,arg=E1}],Bools,St2}
+ {icall_eq_true(New),
+ Eps0 ++ [#iset{anno=ACompGen,var=New,arg=E1}],Bools,St2}
end
end.
+icall_eq_true(Arg) ->
+ #icall{anno=#a{anno=[compiler_generated]},
+ module=#c_literal{val=erlang},
+ name=#c_literal{val='=:='},
+ args=[Arg,#c_literal{val=true}]}.
+
force_booleans(Vs0, E, Eps, St) ->
Vs1 = [set_anno(V, []) || V <- Vs0],
Vs = unforce(E, Eps, Vs1),
@@ -418,16 +421,15 @@ force_booleans_1([], E, Eps, St) ->
{E,Eps,St};
force_booleans_1([V|Vs], E0, Eps0, St0) ->
{E1,Eps1,St1} = force_safe(E0, St0),
- Lanno = element(2, V),
- Anno = #a{anno=Lanno},
- Call = #icall{anno=Anno,module=#c_literal{anno=Lanno,val=erlang},
- name=#c_literal{anno=Lanno,val=is_boolean},
+ ACompGen = #a{anno=[compiler_generated]},
+ Call = #icall{anno=ACompGen,module=#c_literal{val=erlang},
+ name=#c_literal{val=is_boolean},
args=[V]},
- {New,St} = new_var(Lanno, St1),
- Iset = #iset{anno=Anno,var=New,arg=Call},
+ {New,St} = new_var([], St1),
+ Iset = #iset{var=New,arg=Call},
Eps = Eps0 ++ Eps1 ++ [Iset],
- E = #icall{anno=Anno,
- module=#c_literal{anno=Lanno,val=erlang},name=#c_literal{anno=Lanno,val='and'},
+ E = #icall{anno=ACompGen,
+ module=#c_literal{val=erlang},name=#c_literal{val='and'},
args=[E1,New]},
force_booleans_1(Vs, E, Eps, St).
@@ -514,28 +516,28 @@ exprs([], St) -> {[],St}.
%% Generate an internal core expression.
expr({var,L,V}, St) -> {#c_var{anno=lineno_anno(L, St),name=V},[],St};
-expr({char,L,C}, St) -> {#c_literal{anno=lineno_anno(L, St),val=C},[],St};
-expr({integer,L,I}, St) -> {#c_literal{anno=lineno_anno(L, St),val=I},[],St};
-expr({float,L,F}, St) -> {#c_literal{anno=lineno_anno(L, St),val=F},[],St};
-expr({atom,L,A}, St) -> {#c_literal{anno=lineno_anno(L, St),val=A},[],St};
-expr({nil,L}, St) -> {#c_literal{anno=lineno_anno(L, St),val=[]},[],St};
-expr({string,L,S}, St) -> {#c_literal{anno=lineno_anno(L, St),val=S},[],St};
+expr({char,L,C}, St) -> {#c_literal{anno=full_anno(L, St),val=C},[],St};
+expr({integer,L,I}, St) -> {#c_literal{anno=full_anno(L, St),val=I},[],St};
+expr({float,L,F}, St) -> {#c_literal{anno=full_anno(L, St),val=F},[],St};
+expr({atom,L,A}, St) -> {#c_literal{anno=full_anno(L, St),val=A},[],St};
+expr({nil,L}, St) -> {#c_literal{anno=full_anno(L, St),val=[]},[],St};
+expr({string,L,S}, St) -> {#c_literal{anno=full_anno(L, St),val=S},[],St};
expr({cons,L,H0,T0}, St0) ->
{H1,Hps,St1} = safe(H0, St0),
{T1,Tps,St2} = safe(T0, St1),
- A = lineno_anno(L, St2),
+ A = full_anno(L, St2),
{annotate_cons(A, H1, T1, St2),Hps ++ Tps,St2};
expr({lc,L,E,Qs0}, St0) ->
{Qs1,St1} = preprocess_quals(L, Qs0, St0),
lc_tq(L, E, Qs1, #c_literal{anno=lineno_anno(L, St1),val=[]}, St1);
expr({bc,L,E,Qs}, St) ->
- bc_tq(L, E, Qs, {nil,L}, St);
+ bc_tq(L, E, Qs, St);
expr({tuple,L,Es0}, St0) ->
{Es1,Eps,St1} = safe_list(Es0, St0),
A = record_anno(L, St1),
{annotate_tuple(A, Es1, St1),Eps,St1};
expr({map,L,Es0}, St0) ->
- map_build_pair_chain(#c_literal{val=#{}},Es0,lineno_anno(L,St0),St0);
+ map_build_pairs(#c_literal{val=#{}}, Es0, full_anno(L, St0), St0);
expr({map,L,M0,Es0}, St0) ->
try expr_map(M0,Es0,lineno_anno(L, St0),St0) of
{_,_,_}=Res -> Res
@@ -550,7 +552,7 @@ expr({map,L,M0,Es0}, St0) ->
args=As},[],St}
end;
expr({bin,L,Es0}, St0) ->
- try expr_bin(Es0, lineno_anno(L, St0), St0) of
+ try expr_bin(Es0, full_anno(L, St0), St0) of
{_,_,_}=Res -> Res
catch
throw:bad_binary ->
@@ -640,11 +642,11 @@ expr({'catch',L,E0}, St0) ->
Lanno = lineno_anno(L, St1),
{#icatch{anno=#a{anno=Lanno},body=Eps ++ [E1]},[],St1};
expr({'fun',L,{function,F,A},{_,_,_}=Id}, St) ->
- Lanno = lineno_anno(L, St),
+ Lanno = full_anno(L, St),
{#c_var{anno=Lanno++[{id,Id}],name={F,A}},[],St};
expr({'fun',L,{function,M,F,A}}, St0) ->
{As,Aps,St1} = safe_list([M,F,A], St0),
- Lanno = lineno_anno(L, St1),
+ Lanno = full_anno(L, St1),
{#icall{anno=#a{anno=Lanno},
module=#c_literal{val=erlang},
name=#c_literal{val=make_fun},
@@ -655,13 +657,9 @@ expr({named_fun,L,'_',Cs,Id}, St) ->
fun_tq(Id, Cs, L, St, unnamed);
expr({named_fun,L,Name,Cs,Id}, St) ->
fun_tq(Id, Cs, L, St, {named,Name});
-expr({call,L,{remote,_,M,F},As0}, #core{wanted=Wanted}=St0) ->
+expr({call,L,{remote,_,M,F},As0}, St0) ->
{[M1,F1|As1],Aps,St1} = safe_list([M,F|As0], St0),
- Lanno = lineno_anno(L, St1),
- Anno = case Wanted of
- false -> [result_not_wanted|Lanno];
- true -> Lanno
- end,
+ Anno = full_anno(L, St1),
{#icall{anno=#a{anno=Anno},module=M1,name=F1,args=As1},Aps,St1};
expr({call,Lc,{atom,Lf,F},As0}, St0) ->
{As1,Aps,St1} = safe_list(As0, St0),
@@ -710,26 +708,28 @@ expr({op,_,'++',{lc,Llc,E,Qs0},More}, St0) ->
{Y,Yps,St} = lc_tq(Llc, E, Qs, Mc, St2),
{Y,Mps++Yps,St};
expr({op,L,'andalso',E1,E2}, St0) ->
- {#c_var{name=V0},St} = new_var(L, St0),
+ Anno = lineno_anno(L, St0),
+ {#c_var{name=V0},St} = new_var(Anno, St0),
V = {var,L,V0},
False = {atom,L,false},
E = make_bool_switch(L, E1, V, E2, False, St0),
expr(E, St);
expr({op,L,'orelse',E1,E2}, St0) ->
- {#c_var{name=V0},St} = new_var(L, St0),
+ Anno = lineno_anno(L, St0),
+ {#c_var{name=V0},St} = new_var(Anno, St0),
V = {var,L,V0},
True = {atom,L,true},
E = make_bool_switch(L, E1, V, True, E2, St0),
expr(E, St);
expr({op,L,Op,A0}, St0) ->
{A1,Aps,St1} = safe(A0, St0),
- LineAnno = lineno_anno(L, St1),
+ LineAnno = full_anno(L, St1),
{#icall{anno=#a{anno=LineAnno}, %Must have an #a{}
module=#c_literal{anno=LineAnno,val=erlang},
name=#c_literal{anno=LineAnno,val=Op},args=[A1]},Aps,St1};
expr({op,L,Op,L0,R0}, St0) ->
{As,Aps,St1} = safe_list([L0,R0], St0),
- LineAnno = lineno_anno(L, St1),
+ LineAnno = full_anno(L, St1),
{#icall{anno=#a{anno=LineAnno}, %Must have an #a{}
module=#c_literal{anno=LineAnno,val=erlang},
name=#c_literal{anno=LineAnno,val=Op},args=As},Aps,St1}.
@@ -778,66 +778,29 @@ expr_map(M0,Es0,A,St0) ->
Fc = fail_clause([Fpat], A, #c_literal{val=badarg}),
{#icase{anno=#a{anno=A},args=[M1],clauses=Cs,fc=Fc},Mps,St3};
{_,_} ->
- {M2,Eps,St2} = map_build_pair_chain(M1,Es0,A,St1),
+ {M2,Eps,St2} = map_build_pairs(M1, Es0, A, St1),
{M2,Mps++Eps,St2}
end;
false -> throw({bad_map,bad_map})
end.
-%% Group continuous literal blocks and single variables, i.e.
-%% M0#{ a := 1, b := V1, K1 := V2, K2 := 42}
-%% becomes equivalent to
-%% M1 = M0#{ a := 1, b := V1 },
-%% M2 = M1#{ K1 := V1 },
-%% M3 = M2#{ K2 := 42 }
-
-map_build_pair_chain(M,Es,A,St) ->
- %% hack, remove iset if only literal
- case map_build_pair_chain(M,Es,A,St,[]) of
- {_,[#iset{arg=#c_literal{}=Val}],St1} -> {Val,[],St1};
- Normal -> Normal
- end.
-
-map_build_pair_chain(M0,[],_,St,Mps) ->
- {M0,Mps,St};
-map_build_pair_chain(M0,Es0,A,St0,Mps) ->
- % group continuous literal blocks
- % Anno = #a{anno=[compiler_generated]},
- % order is important, we need to reverse the literals
- case map_pair_block(Es0,[],[],St0) of
- {{CesL,EspL},{[],[]},Es1,St1} ->
- {MVar,St2} = new_var(St1),
- Pre = [#iset{var=MVar, arg=ann_c_map(A,M0,reverse(CesL))}],
- map_build_pair_chain(MVar,Es1,A,St2,Mps++EspL++Pre);
- {{[],[]},{CesV,EspV},Es1,St1} ->
- {MVar,St2} = new_var(St1),
- Pre = [#iset{var=MVar, arg=#c_map{arg=M0,es=CesV, anno=A}}],
- map_build_pair_chain(MVar,Es1,A,St2,Mps ++ EspV++Pre);
- {{CesL,EspL},{CesV,EspV},Es1,St1} ->
- {MVarL,St2} = new_var(St1),
- {MVarV,St3} = new_var(St2),
- Pre = [#iset{var=MVarL, arg=ann_c_map(A,M0,reverse(CesL))},
- #iset{var=MVarV, arg=#c_map{arg=MVarL,es=CesV,anno=A}}],
- map_build_pair_chain(MVarV,Es1,A,St3,Mps++EspL++EspV++Pre)
- end.
-
-map_pair_block([{Op,L,K0,V0}|Es],Ces,Esp,St0) ->
- {K,Ep0,St1} = safe(K0, St0),
- {V,Ep1,St2} = safe(V0, St1),
- A = lineno_anno(L, St2),
- Pair0 = map_op_to_c_map_pair(Op),
- Pair1 = Pair0#c_map_pair{anno=A,key=K,val=V},
- case cerl:is_literal(K) of
- true ->
- map_pair_block(Es,[Pair1|Ces],Ep0 ++ Ep1 ++ Esp,St2);
- false ->
- {{Ces,Esp},{[Pair1],Ep0++Ep1},Es,St2}
- end;
-map_pair_block([],Ces,Esp,St) ->
- {{Ces,Esp},{[],[]},[],St}.
+map_build_pairs(Map, Es0, Ann, St0) ->
+ {Es,Pre,St1} = map_build_pairs_1(Es0, St0),
+ {ann_c_map(Ann, Map, Es),Pre,St1}.
+
+map_build_pairs_1([{Op0,L,K0,V0}|Es], St0) ->
+ {K,Pre0,St1} = safe(K0, St0),
+ {V,Pre1,St2} = safe(V0, St1),
+ {Pairs,Pre2,St3} = map_build_pairs_1(Es, St2),
+ As = lineno_anno(L, St3),
+ Op = map_op(Op0),
+ Pair = cerl:ann_c_map_pair(As, Op, K, V),
+ {[Pair|Pairs],Pre0++Pre1++Pre2,St3};
+map_build_pairs_1([], St) ->
+ {[],[],St}.
-map_op_to_c_map_pair(map_field_assoc) -> #c_map_pair{op=#c_literal{val=assoc}};
-map_op_to_c_map_pair(map_field_exact) -> #c_map_pair{op=#c_literal{val=exact}}.
+map_op(map_field_assoc) -> #c_literal{val=assoc};
+map_op(map_field_exact) -> #c_literal{val=exact}.
is_valid_map_src(#c_literal{val = M}) when is_map(M) -> true;
is_valid_map_src(#c_var{}) -> true;
@@ -1001,7 +964,7 @@ fun_tq({_,_,Name}=Id, Cs0, L, St0, NameInfo) ->
{Cs1,Ceps,St1} = clauses(Cs0, St0),
{Args,St2} = new_vars(Arity, St1),
{Ps,St3} = new_vars(Arity, St2), %Need new variables here
- Anno = lineno_anno(L, St3),
+ Anno = full_anno(L, St3),
Fc = function_clause(Ps, Anno, {Name,Arity}),
Fun = #ifun{anno=#a{anno=Anno},
id=[{id,Id}], %We KNOW!
@@ -1011,7 +974,8 @@ fun_tq({_,_,Name}=Id, Cs0, L, St0, NameInfo) ->
%% lc_tq(Line, Exp, [Qualifier], Mc, State) -> {LetRec,[PreExp],State}.
%% This TQ from Simon PJ pp 127-138.
-lc_tq(Line, E, [#igen{anno=GAnno,acc_pat=AccPat,acc_guard=AccGuard,
+lc_tq(Line, E, [#igen{anno=GAnno,ceps=Ceps,
+ acc_pat=AccPat,acc_guard=AccGuard,
skip_pat=SkipPat,tail=Tail,tail_pat=TailPat,
arg={Pre,Arg}}|Qs], Mc, St0) ->
{Name,St1} = new_fun_name("lc", St0),
@@ -1046,7 +1010,7 @@ lc_tq(Line, E, [#igen{anno=GAnno,acc_pat=AccPat,acc_guard=AccGuard,
Fun = #ifun{anno=LAnno,id=[],vars=[Var],clauses=Cs,fc=Fc},
{#iletrec{anno=LAnno#a{anno=[list_comprehension|LA]},defs=[{{Name,1},Fun}],
body=Pre ++ [#iapply{anno=LAnno,op=F,args=[Arg]}]},
- [],St4};
+ Ceps,St4};
lc_tq(Line, E, [#ifilter{}=Filter|Qs], Mc, St) ->
filter_tq(Line, E, Filter, Mc, St, Qs, fun lc_tq/5);
lc_tq(Line, E0, [], Mc0, St0) ->
@@ -1060,7 +1024,7 @@ lc_tq(Line, E0, [], Mc0, St0) ->
%% This TQ from Gustafsson ERLANG'05.
%% More could be transformed before calling bc_tq.
-bc_tq(Line, Exp, Qs0, _, St0) ->
+bc_tq(Line, Exp, Qs0, St0) ->
{BinVar,St1} = new_var(St0),
{Sz,SzPre,St2} = bc_initial_size(Exp, Qs0, St1),
{Qs,St3} = preprocess_quals(Line, Qs0, St2),
@@ -1071,7 +1035,8 @@ bc_tq(Line, Exp, Qs0, _, St0) ->
args=[Sz]}}] ++ BcPre,
{E,Pre,St}.
-bc_tq1(Line, E, [#igen{anno=GAnno,acc_pat=AccPat,acc_guard=AccGuard,
+bc_tq1(Line, E, [#igen{anno=GAnno,ceps=Ceps,
+ acc_pat=AccPat,acc_guard=AccGuard,
skip_pat=SkipPat,tail=Tail,tail_pat=TailPat,
arg={Pre,Arg}}|Qs], Mc, St0) ->
{Name,St1} = new_fun_name("lbc", St0),
@@ -1109,7 +1074,7 @@ bc_tq1(Line, E, [#igen{anno=GAnno,acc_pat=AccPat,acc_guard=AccGuard,
Fun = #ifun{anno=LAnno,id=[],vars=Vars,clauses=Cs,fc=Fc},
{#iletrec{anno=LAnno#a{anno=[list_comprehension|LA]},defs=[{{Name,2},Fun}],
body=Pre ++ [#iapply{anno=LAnno,op=F,args=[Arg,Mc]}]},
- [],St4};
+ Ceps,St4};
bc_tq1(Line, E, [#ifilter{}=Filter|Qs], Mc, St) ->
filter_tq(Line, E, Filter, Mc, St, Qs, fun bc_tq1/5);
bc_tq1(_, {bin,Bl,Elements}, [], AccVar, St0) ->
@@ -1245,8 +1210,9 @@ generator(Line, {generate,Lg,P0,E}, Gs, St0) ->
ann_c_cons(LA, Skip, Tail)}
end,
{Ce,Pre,St4} = safe(E, St3),
- Gen = #igen{anno=#a{anno=GA},acc_pat=AccPat,acc_guard=Cg,skip_pat=SkipPat,
- tail=Tail,tail_pat=#c_literal{anno=LA,val=[]},arg={Ceps++Pre,Ce}},
+ Gen = #igen{anno=#a{anno=GA},ceps=Ceps,
+ acc_pat=AccPat,acc_guard=Cg,skip_pat=SkipPat,
+ tail=Tail,tail_pat=#c_literal{anno=LA,val=[]},arg={Pre,Ce}},
{Gen,St4};
generator(Line, {b_generate,Lg,P,E}, Gs, St0) ->
LA = lineno_anno(Line, St0),
@@ -1515,6 +1481,7 @@ force_novars(#iapply{}=App, St) -> {App,[],St};
force_novars(#icall{}=Call, St) -> {Call,[],St};
force_novars(#ifun{}=Fun, St) -> {Fun,[],St}; %These are novars too
force_novars(#ibinary{}=Bin, St) -> {Bin,[],St};
+force_novars(#c_map{}=Bin, St) -> {Bin,[],St};
force_novars(Ce, St) ->
force_safe(Ce, St).
@@ -1634,7 +1601,7 @@ pattern({tuple,L,Ps}, St) ->
{annotate_tuple(record_anno(L, St), Ps1, St),Eps,St1};
pattern({map,L,Pairs}, St0) ->
{Ps,Eps,St1} = pattern_map_pairs(Pairs, St0),
- {#c_map{anno=lineno_anno(L, St1), es=Ps},Eps,St1};
+ {#c_map{anno=lineno_anno(L, St1),es=Ps,is_pat=true},Eps,St1};
pattern({bin,L,Ps}, St) ->
%% We don't create a #ibinary record here, since there is
%% no need to hold any used/new annotations in a pattern.
@@ -1794,7 +1761,7 @@ new_var_name(#core{vcount=C}=St) ->
new_var(St) ->
new_var([], St).
-new_var(Anno, St0) ->
+new_var(Anno, St0) when is_list(Anno) ->
{New,St} = new_var_name(St0),
{#c_var{anno=Anno,name=New},St}.
@@ -2021,11 +1988,11 @@ uexpr(#ibinary{anno=A,segments=Ss}, _, St) ->
uexpr(#c_literal{}=Lit, _, St) ->
Anno = get_anno(Lit),
{set_anno(Lit, #a{us=[],anno=Anno}),St};
-uexpr(Lit, _, St) ->
- true = is_simple(Lit), %Sanity check!
- Vs = lit_vars(Lit),
- Anno = get_anno(Lit),
- {set_anno(Lit, #a{us=Vs,anno=Anno}),St}.
+uexpr(Simple, _, St) ->
+ true = is_simple(Simple), %Sanity check!
+ Vs = lit_vars(Simple),
+ Anno = get_anno(Simple),
+ {#isimple{anno=#a{us=Vs,anno=Anno},term=Simple},St}.
uexpr_list(Les0, Ks, St0) ->
mapfoldl(fun (Le, St) -> uexpr(Le, Ks, St) end, St0, Les0).
@@ -2202,7 +2169,8 @@ cguard(Gs, St0) ->
cexprs([#iset{var=#c_var{name=Name}=Var}=Iset], As, St) ->
%% Make return value explicit, and make Var true top level.
- cexprs([Iset,Var#c_var{anno=#a{us=[Name]}}], As, St);
+ Isimple = #isimple{anno=#a{us=[Name]},term=Var},
+ cexprs([Iset,Isimple], As, St);
cexprs([Le], As, St0) ->
{Ce,Es,Us,St1} = cexpr(Le, As, St0),
Exp = make_vars(As), %The export variables
@@ -2317,12 +2285,9 @@ cexpr(#c_literal{}=Lit, _As, St) ->
Anno = get_anno(Lit),
Vs = Anno#a.us,
{set_anno(Lit, Anno#a.anno),[],Vs,St};
-cexpr(Lit, _As, St) ->
- true = is_simple(Lit), %Sanity check!
- Anno = get_anno(Lit),
- Vs = Anno#a.us,
- %%Vs = lit_vars(Lit),
- {set_anno(Lit, Anno#a.anno),[],Vs,St}.
+cexpr(#isimple{anno=#a{us=Vs},term=Simple}, _As, St) ->
+ true = is_simple(Simple), %Sanity check!
+ {Simple,[],Vs,St}.
cfun(#ifun{anno=A,id=Id,vars=Args,clauses=Lcs,fc=Lfc}, _As, St0) ->
{Ccs,St1} = cclauses(Lcs, [], St0), %NEVER export!
@@ -2345,11 +2310,6 @@ lit_vars(#c_map_pair{key=K,val=V}, Vs) -> lit_vars(K, lit_vars(V, Vs));
lit_vars(#c_var{name=V}, Vs) -> add_element(V, Vs);
lit_vars(_, Vs) -> Vs. %These are atomic
-% lit_bin_vars(Segs, Vs) ->
-% foldl(fun (#c_bitstr{val=V,size=S}, Vs0) ->
-% lit_vars(V, lit_vars(S, Vs0))
-% end, Vs, Segs).
-
lit_list_vars(Ls) -> lit_list_vars(Ls, []).
lit_list_vars(Ls, Vs) ->
@@ -2368,16 +2328,21 @@ record_anno(L, St) when L >= ?REC_OFFSET ->
true ->
[record | lineno_anno(L - ?REC_OFFSET, St)];
false ->
- lineno_anno(L, St)
+ full_anno(L, St)
end;
record_anno(L, St) when L < -?REC_OFFSET ->
case member(dialyzer, St#core.opts) of
true ->
[record | lineno_anno(L + ?REC_OFFSET, St)];
false ->
- lineno_anno(L, St)
+ full_anno(L, St)
end;
record_anno(L, St) ->
+ full_anno(L, St).
+
+full_anno(L, #core{wanted=false}=St) ->
+ [result_not_wanted|lineno_anno(L, St)];
+full_anno(L, #core{wanted=true}=St) ->
lineno_anno(L, St).
lineno_anno(L, St) ->