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-rw-r--r--lib/compiler/doc/src/notes.xml8
-rw-r--r--lib/compiler/src/cerl.erl23
-rw-r--r--lib/compiler/src/v3_core.erl51
-rw-r--r--lib/compiler/test/warnings_SUITE.erl14
4 files changed, 85 insertions, 11 deletions
diff --git a/lib/compiler/doc/src/notes.xml b/lib/compiler/doc/src/notes.xml
index a0f2e617cb..7b2b60fb3d 100644
--- a/lib/compiler/doc/src/notes.xml
+++ b/lib/compiler/doc/src/notes.xml
@@ -211,10 +211,10 @@
"hello"}, % add new associations</c></item> <item><c>#{
"hi" := V1, a := V2, b := V3} = M2. % match keys with
values</c></item> </taglist></p>
- <p>
- For information on how to use Maps please see the
- <seealso marker="doc/reference_manual:maps">Reference
- Manual</seealso>.</p>
+ <p>
+ For information on how to use Maps please see Map Expressions in the
+ <seealso marker="doc/reference_manual:expressions#map_expressions">
+ Reference Manual</seealso>.</p>
<p>
The current implementation is without the following
features: <taglist> <item>No variable keys</item>
diff --git a/lib/compiler/src/cerl.erl b/lib/compiler/src/cerl.erl
index 54eac20ac4..9d6768b157 100644
--- a/lib/compiler/src/cerl.erl
+++ b/lib/compiler/src/cerl.erl
@@ -126,9 +126,11 @@
map_es/1,
map_arg/1,
update_c_map/3,
+ c_map/1, is_c_map_empty/1,
ann_c_map/2, ann_c_map/3,
map_pair_op/1,map_pair_key/1,map_pair_val/1,
update_c_map_pair/4,
+ c_map_pair/2,
ann_c_map_pair/4
]).
@@ -1582,9 +1584,20 @@ map_es(#c_map{es = Es}) ->
-spec map_arg(c_map()) -> c_map() | c_literal().
-map_arg(#c_map{arg = M}) ->
+map_arg(#c_map{arg=M}) ->
M.
+-spec c_map([c_map_pair()]) -> c_map().
+
+c_map(Pairs) ->
+ #c_map{es=Pairs}.
+
+-spec is_c_map_empty(c_map() | c_literal()) -> boolean().
+
+is_c_map_empty(#c_map{ es=[] }) -> true;
+is_c_map_empty(#c_literal{val=M}) when is_map(M),map_size(M) =:= 0 -> true;
+is_c_map_empty(_) -> false.
+
-spec ann_c_map([term()], [cerl()]) -> c_map() | c_literal().
ann_c_map(As,Es) ->
@@ -1644,6 +1657,11 @@ map_pair_key(#c_map_pair{key=K}) -> K.
map_pair_val(#c_map_pair{val=V}) -> V.
map_pair_op(#c_map_pair{op=Op}) -> Op.
+-spec c_map_pair(cerl(), cerl()) -> c_map_pair().
+
+c_map_pair(Key,Val) ->
+ #c_map_pair{op=#c_literal{val=assoc},key=Key,val=Val}.
+
-spec ann_c_map_pair([term()], cerl(), cerl(), cerl()) ->
c_map_pair().
@@ -4245,6 +4263,9 @@ ann_make_tree(As, bitstr, [[V],[S],[U],[T],[Fs]]) ->
ann_c_bitstr(As, V, S, U, T, Fs);
ann_make_tree(As, cons, [[H], [T]]) -> ann_c_cons(As, H, T);
ann_make_tree(As, tuple, [Es]) -> ann_c_tuple(As, Es);
+ann_make_tree(As, map, [Es]) -> ann_c_map(As, Es);
+ann_make_tree(As, map, [[A], Es]) -> ann_c_map(As, A, Es);
+ann_make_tree(As, map_pair, [[Op], [K], [V]]) -> ann_c_map_pair(As, Op, K, V);
ann_make_tree(As, 'let', [Vs, [A], [B]]) -> ann_c_let(As, Vs, A, B);
ann_make_tree(As, seq, [[A], [B]]) -> ann_c_seq(As, A, B);
ann_make_tree(As, apply, [[Op], Es]) -> ann_c_apply(As, Op, Es);
diff --git a/lib/compiler/src/v3_core.erl b/lib/compiler/src/v3_core.erl
index 8c18f6a9f7..83cf76f241 100644
--- a/lib/compiler/src/v3_core.erl
+++ b/lib/compiler/src/v3_core.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2014. 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
@@ -82,6 +82,8 @@
-include("core_parse.hrl").
+-define(REC_OFFSET, 100000000). % Also in erl_expand_records.
+
%% Internal core expressions and help functions.
%% N.B. annotations fields in place as normal Core expressions.
@@ -501,7 +503,7 @@ expr({cons,L,H0,T0}, St0) ->
{H1,Hps,St1} = safe(H0, St0),
{T1,Tps,St2} = safe(T0, St1),
A = lineno_anno(L, St2),
- {ann_c_cons(A, H1, T1),Hps ++ Tps,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);
@@ -509,8 +511,8 @@ expr({bc,L,E,Qs}, St) ->
bc_tq(L, E, Qs, {nil,L}, St);
expr({tuple,L,Es0}, St0) ->
{Es1,Eps,St1} = safe_list(Es0, St0),
- A = lineno_anno(L, St1),
- {ann_c_tuple(A, Es1),Eps,St1};
+ A = record_anno(L, St1),
+ {annotate_tuple(A, Es1, St1),Eps,St1};
expr({map,L,Es0}, St0) ->
% erl_lint should make sure only #{ K => V } are allowed
% in map construction.
@@ -1557,9 +1559,9 @@ pattern({atom,L,A}, St) -> #c_literal{anno=lineno_anno(L, St),val=A};
pattern({string,L,S}, St) -> #c_literal{anno=lineno_anno(L, St),val=S};
pattern({nil,L}, St) -> #c_literal{anno=lineno_anno(L, St),val=[]};
pattern({cons,L,H,T}, St) ->
- ann_c_cons(lineno_anno(L, St), pattern(H, St), pattern(T, St));
+ annotate_cons(lineno_anno(L, St), pattern(H, St), pattern(T, St), St);
pattern({tuple,L,Ps}, St) ->
- ann_c_tuple(lineno_anno(L, St), pattern_list(Ps, St));
+ annotate_tuple(record_anno(L, St), pattern_list(Ps, St), St);
pattern({map,L,Ps}, St) ->
#c_map{anno=lineno_anno(L, St), es=pattern_map_pairs(Ps, St)};
pattern({bin,L,Ps}, St) ->
@@ -1721,6 +1723,26 @@ fail_clause(Pats, Anno, Arg) ->
body=[#iprimop{anno=#a{anno=Anno},name=#c_literal{val=match_fail},
args=[Arg]}]}.
+annotate_tuple(A, Es, St) ->
+ case member(dialyzer, St#core.opts) of
+ true ->
+ %% Do not coalesce constant tuple elements. A Hack.
+ Node = cerl:ann_c_tuple(A, [cerl:c_var(any)]),
+ cerl:update_c_tuple_skel(Node, Es);
+ false ->
+ ann_c_tuple(A, Es)
+ end.
+
+annotate_cons(A, H, T, St) ->
+ case member(dialyzer, St#core.opts) of
+ true ->
+ %% Do not coalesce constant conses. A Hack.
+ Node= cerl:ann_c_cons(A, cerl:c_var(any), cerl:c_var(any)),
+ cerl:update_c_cons_skel(Node, H, T);
+ false ->
+ ann_c_cons(A, H, T)
+ end.
+
ubody(B, St) -> uexpr(B, [], St).
%% uclauses([Lclause], [KnownVar], State) -> {[Lclause],State}.
@@ -2238,6 +2260,23 @@ bitstr_vars(Segs, Vs) ->
lit_vars(V, lit_vars(S, Vs0))
end, Vs, Segs).
+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)
+ 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)
+ end;
+record_anno(L, St) ->
+ lineno_anno(L, St).
+
lineno_anno(L, St) ->
{line, Line} = erl_parse:get_attribute(L, line),
if
diff --git a/lib/compiler/test/warnings_SUITE.erl b/lib/compiler/test/warnings_SUITE.erl
index ad4ad91f74..0637041873 100644
--- a/lib/compiler/test/warnings_SUITE.erl
+++ b/lib/compiler/test/warnings_SUITE.erl
@@ -662,6 +662,20 @@ latin1_fallback(Conf) when is_list(Conf) ->
{warnings,[{1,compile,reparsing_invalid_unicode}]}
}],
[] = run(Conf, Ts2),
+
+ Ts3 = [{latin1_fallback3,
+ %% Test that the compiler fall backs to latin-1 with
+ %% a warning if a file has no encoding and does not
+ %% contain correct UTF-8 sequences.
+ <<"-ifdef(NOTDEFINED).
+ t(_) -> \"",246,"\";
+ t(x) -> ok.
+ -endif.
+ ">>,
+ [],
+ {warnings,[{2,compile,reparsing_invalid_unicode}]}}],
+ [] = run(Conf, Ts3),
+
ok.
%%%
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-16 23:17:29 +0000