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-rw-r--r--lib/compiler/src/cerl.erl10
-rw-r--r--lib/compiler/src/cerl_clauses.erl9
-rw-r--r--lib/compiler/src/cerl_inline.erl11
-rw-r--r--lib/compiler/src/cerl_trees.erl9
-rw-r--r--lib/compiler/src/compile.erl13
-rw-r--r--lib/compiler/src/core_parse.yrl15
-rw-r--r--lib/compiler/src/rec_env.erl9
-rw-r--r--lib/compiler/src/v3_core.erl32
8 files changed, 62 insertions, 46 deletions
diff --git a/lib/compiler/src/cerl.erl b/lib/compiler/src/cerl.erl
index 61abae344c..b1be6ffc6d 100644
--- a/lib/compiler/src/cerl.erl
+++ b/lib/compiler/src/cerl.erl
@@ -1,8 +1,3 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2001-2016. All Rights Reserved.
-%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
@@ -15,9 +10,8 @@
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
-%% %CopyrightEnd%
-
-%% =====================================================================
+%% @copyright 1999-2002 Richard Carlsson
+%% @author Richard Carlsson <[email protected]>
%% @doc Core Erlang abstract syntax trees.
%%
%% <p> This module defines an abstract data type for representing Core
diff --git a/lib/compiler/src/cerl_clauses.erl b/lib/compiler/src/cerl_clauses.erl
index 805095e30c..7d6518c3c6 100644
--- a/lib/compiler/src/cerl_clauses.erl
+++ b/lib/compiler/src/cerl_clauses.erl
@@ -1,8 +1,3 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2001-2016. All Rights Reserved.
-%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
@@ -15,8 +10,8 @@
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
-%% %CopyrightEnd%
-
+%% @copyright 1999-2002 Richard Carlsson
+%% @author Richard Carlsson <[email protected]>
%% @doc Utility functions for Core Erlang case/receive clauses.
%%
%% <p>Syntax trees are defined in the module <a
diff --git a/lib/compiler/src/cerl_inline.erl b/lib/compiler/src/cerl_inline.erl
index 2a8cf2e758..f5afa75b16 100644
--- a/lib/compiler/src/cerl_inline.erl
+++ b/lib/compiler/src/cerl_inline.erl
@@ -1,8 +1,3 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2001-2016. All Rights Reserved.
-%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
@@ -15,9 +10,9 @@
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
-%% %CopyrightEnd%
-%%
-%% Core Erlang inliner.
+%% @copyright 1999-2002 Richard Carlsson
+%% @author Richard Carlsson <[email protected]>
+%% @doc Core Erlang inliner.
%% =====================================================================
%%
diff --git a/lib/compiler/src/cerl_trees.erl b/lib/compiler/src/cerl_trees.erl
index b3decbec1f..f30a0b33ac 100644
--- a/lib/compiler/src/cerl_trees.erl
+++ b/lib/compiler/src/cerl_trees.erl
@@ -1,8 +1,3 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2001-2016. All Rights Reserved.
-%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
@@ -15,8 +10,8 @@
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
-%% %CopyrightEnd%
-
+%% @copyright 1999-2002 Richard Carlsson.
+%% @author Richard Carlsson <[email protected]>
%% @doc Basic functions on Core Erlang abstract syntax trees.
%%
%% <p>Syntax trees are defined in the module <a
diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl
index 37da045d25..3868b971a3 100644
--- a/lib/compiler/src/compile.erl
+++ b/lib/compiler/src/compile.erl
@@ -684,7 +684,7 @@ kernel_passes() ->
{iff,core,?pass(save_core_code)},
%% Kernel Erlang and code generation.
- {pass,v3_kernel},
+ ?pass(v3_kernel),
{iff,dkern,{listing,"kernel"}},
{iff,'to_kernel',{done,"kernel"}},
{pass,v3_life},
@@ -1243,6 +1243,17 @@ core_fold_module_after_inlining(#compile{code=Code0,options=Opts}=St) ->
{ok,Code,_Ws} = sys_core_fold:module(Code0, Opts),
{ok,St#compile{code=Code}}.
+v3_kernel(#compile{code=Code0,options=Opts,warnings=Ws0}=St) ->
+ {ok,Code,Ws} = v3_kernel:module(Code0, Opts),
+ case Ws =:= [] orelse test_core_inliner(St) of
+ false ->
+ {ok,St#compile{code=Code,warnings=Ws0++Ws}};
+ true ->
+ %% cerl_inline may produce code that generates spurious
+ %% warnings. Ignore any such warnings.
+ {ok,St#compile{code=Code}}
+ end.
+
test_old_inliner(#compile{options=Opts}) ->
%% The point of this test is to avoid loading the old inliner
%% if we know that it will not be used.
diff --git a/lib/compiler/src/core_parse.yrl b/lib/compiler/src/core_parse.yrl
index 8028aa99bb..79a7cccd98 100644
--- a/lib/compiler/src/core_parse.yrl
+++ b/lib/compiler/src/core_parse.yrl
@@ -432,6 +432,21 @@ timeout ->
%% ====================================================================== %%
+Header
+"%% This file was automatically generated from the file \"core_parse.yrl\"."
+"%%"
+"%% Copyright Ericsson AB 1999-2009. All Rights Reserved."
+"%%"
+"%% Licensed under the Apache License, Version 2.0 (the \"License\"); you may"
+"%% not use this file except in compliance with the License. You may obtain"
+"%% a copy of the License at <http://www.apache.org/licenses/LICENSE-2.0>"
+"%%"
+"%% Unless required by applicable law or agreed to in writing, software"
+"%% distributed under the License is distributed on an \"AS IS\" BASIS,"
+"%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied."
+"%% See the License for the specific language governing permissions and"
+"%% limitations under the License."
+"".
Erlang code.
diff --git a/lib/compiler/src/rec_env.erl b/lib/compiler/src/rec_env.erl
index cdc513e57c..48d39776dc 100644
--- a/lib/compiler/src/rec_env.erl
+++ b/lib/compiler/src/rec_env.erl
@@ -1,8 +1,3 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2001-2016. All Rights Reserved.
-%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
@@ -15,10 +10,8 @@
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
-%% %CopyrightEnd%
-%%
-%% @author Richard Carlsson <[email protected]>
%% @copyright 1999-2004 Richard Carlsson
+%% @author Richard Carlsson <[email protected]>
%% @doc Abstract environments, supporting self-referential bindings and
%% automatic new-key generation.
diff --git a/lib/compiler/src/v3_core.erl b/lib/compiler/src/v3_core.erl
index f40cf97f57..14cd41ae27 100644
--- a/lib/compiler/src/v3_core.erl
+++ b/lib/compiler/src/v3_core.erl
@@ -883,19 +883,33 @@ badmap_term(Map, #core{in_guard=false}) ->
c_tuple([#c_literal{val=badmap},Map]).
map_build_pairs(Map, Es0, Ann, St0) ->
- {Es,Pre,St1} = map_build_pairs_1(Es0, St0),
+ {Es,Pre,_,St1} = map_build_pairs_1(Es0, cerl_sets:new(), St0),
{ann_c_map(Ann, Map, Es),Pre,St1}.
-map_build_pairs_1([{Op0,L,K0,V0}|Es], St0) ->
+map_build_pairs_1([{Op0,L,K0,V0}|Es], Used0, St0) ->
{K,Pre0,St1} = safe(K0, St0),
{V,Pre1,St2} = safe(V0, St1),
- {Pairs,Pre2,St3} = map_build_pairs_1(Es, St2),
+ {Pairs,Pre2,Used1,St3} = map_build_pairs_1(Es, Used0, St2),
As = lineno_anno(L, St3),
Op = map_op(Op0),
+ {Used2,St4} = maybe_warn_repeated_keys(K, L, Used1, St3),
Pair = cerl:ann_c_map_pair(As, Op, K, V),
- {[Pair|Pairs],Pre0++Pre1++Pre2,St3};
-map_build_pairs_1([], St) ->
- {[],[],St}.
+ {[Pair|Pairs],Pre0++Pre1++Pre2,Used2,St4};
+map_build_pairs_1([], Used, St) ->
+ {[],[],Used,St}.
+
+maybe_warn_repeated_keys(Ck,Line,Used,St) ->
+ case cerl:is_literal(Ck) of
+ false -> {Used,St};
+ true ->
+ K = cerl:concrete(Ck),
+ case cerl_sets:is_element(K,Used) of
+ true ->
+ {Used, add_warning(Line, {map_key_repeated,K}, St)};
+ false ->
+ {cerl_sets:add_element(K,Used), St}
+ end
+ end.
map_op(map_field_assoc) -> #c_literal{val=assoc};
map_op(map_field_exact) -> #c_literal{val=exact}.
@@ -2603,7 +2617,11 @@ format_error(nomatch) ->
format_error(bad_binary) ->
"binary construction will fail because of a type mismatch";
format_error(badmap) ->
- "map construction will fail because of a type mismatch".
+ "map construction will fail because of a type mismatch";
+format_error({map_key_repeated,Key}) when is_atom(Key) ->
+ io_lib:format("key '~w' will be overridden in expression", [Key]);
+format_error({map_key_repeated,Key}) ->
+ io_lib:format("key ~p will be overridden in expression", [Key]).
add_warning(Anno, Term, #core{ws=Ws,file=[{file,File}]}=St) ->
case erl_anno:generated(Anno) of
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-08 17:51:47 +0000