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-rw-r--r--lib/compiler/src/Makefile11
-rw-r--r--lib/compiler/src/compile.erl46
-rw-r--r--lib/compiler/src/compiler.app.src1
-rw-r--r--lib/compiler/src/core_lint.erl3
-rw-r--r--lib/compiler/src/core_scan.erl27
-rw-r--r--lib/compiler/src/sys_core_fold.erl149
-rw-r--r--lib/compiler/src/sys_expand_pmod.erl433
-rw-r--r--lib/compiler/src/sys_pre_expand.erl147
8 files changed, 163 insertions, 654 deletions
diff --git a/lib/compiler/src/Makefile b/lib/compiler/src/Makefile
index cbcbf79839..8d54dffd73 100644
--- a/lib/compiler/src/Makefile
+++ b/lib/compiler/src/Makefile
@@ -82,7 +82,6 @@ MODULES = \
sys_core_dsetel \
sys_core_fold \
sys_core_inline \
- sys_expand_pmod \
sys_pre_attributes \
sys_pre_expand \
v3_codegen \
@@ -145,19 +144,19 @@ clean:
# ----------------------------------------------------
$(APP_TARGET): $(APP_SRC) ../vsn.mk
- sed -e 's;%VSN%;$(VSN);' $< > $@
+ $(vsn_verbose)sed -e 's;%VSN%;$(VSN);' $< > $@
$(APPUP_TARGET): $(APPUP_SRC) ../vsn.mk
- sed -e 's;%VSN%;$(VSN);' $< > $@
+ $(vsn_verbose)sed -e 's;%VSN%;$(VSN);' $< > $@
$(EGEN)/beam_opcodes.erl $(EGEN)/beam_opcodes.hrl: genop.tab
- $(PERL) $(ERL_TOP)/erts/emulator/utils/beam_makeops -compiler -outdir $(EGEN) $<
+ $(gen_verbose)$(PERL) $(ERL_TOP)/erts/emulator/utils/beam_makeops -compiler -outdir $(EGEN) $<
$(EBIN)/beam_asm.beam: $(ESRC)/beam_asm.erl $(EGEN)/beam_opcodes.hrl
- $(ERLC) $(ERL_COMPILE_FLAGS) -DCOMPILER_VSN='"$(VSN)"' -o$(EBIN) $<
+ $(V_ERLC) $(ERL_COMPILE_FLAGS) -DCOMPILER_VSN='"$(VSN)"' -o$(EBIN) $<
$(EBIN)/cerl_inline.beam: $(ESRC)/cerl_inline.erl
- $(ERLC) $(ERL_COMPILE_FLAGS) +nowarn_shadow_vars -o$(EBIN) $<
+ $(V_ERLC) $(ERL_COMPILE_FLAGS) +nowarn_shadow_vars -o$(EBIN) $<
# ----------------------------------------------------
# Release Target
diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl
index df1af36eeb..5f394f0b65 100644
--- a/lib/compiler/src/compile.erl
+++ b/lib/compiler/src/compile.erl
@@ -248,6 +248,7 @@ format_error({module_name,Mod,Filename}) ->
abstract_code=[], %Abstract code for debugger.
options=[] :: [option()], %Options for compilation
mod_options=[] :: [option()], %Options for module_info
+ encoding=none :: none | epp:source_coding(),
errors=[],
warnings=[]}).
@@ -734,8 +735,9 @@ collect_asm([X | Rest], R) ->
beam_consult_asm(St) ->
case file:consult(St#compile.ifile) of
{ok, Forms0} ->
+ Encoding = epp:read_encoding(St#compile.ifile),
{Module, Forms} = preprocess_asm_forms(Forms0),
- {ok,St#compile{module=Module, code=Forms}};
+ {ok,St#compile{module=Module, code=Forms, encoding=Encoding}};
{error,E} ->
Es = [{St#compile.ifile,[{none,?MODULE,{open,E}}]}],
{error,St#compile{errors=St#compile.errors ++ Es}}
@@ -777,7 +779,8 @@ parse_module(St) ->
R = epp:parse_file(St#compile.ifile, IncludePath, pre_defs(Opts)),
case R of
{ok,Forms} ->
- {ok,St#compile{code=Forms}};
+ Encoding = epp:read_encoding(St#compile.ifile),
+ {ok,St#compile{code=Forms,encoding=Encoding}};
{error,E} ->
Es = [{St#compile.ifile,[{none,?MODULE,{epp,E}}]}],
{error,St#compile{errors=St#compile.errors ++ Es}}
@@ -892,7 +895,6 @@ foldl_core_transforms(St, []) -> {ok,St}.
%%% Fetches the module name from a list of forms. The module attribute must
%%% be present.
-get_module([{attribute,_,module,{M,_As}} | _]) -> M;
get_module([{attribute,_,module,M} | _]) -> M;
get_module([_ | Rest]) ->
get_module(Rest).
@@ -904,11 +906,8 @@ add_default_base(St, Forms) ->
F = St#compile.filename,
case F of
"" ->
- M = case get_module(Forms) of
- PackageModule when is_list(PackageModule) -> last(PackageModule);
- M0 -> M0
- end,
- St#compile{base = atom_to_list(M)};
+ M = get_module(Forms),
+ St#compile{base=atom_to_list(M)};
_ ->
St
end.
@@ -1339,16 +1338,12 @@ save_binary(#compile{code=none}=St) -> {ok,St};
save_binary(#compile{module=Mod,ofile=Outfile,
options=Opts}=St) ->
%% Test that the module name and output file name match.
- %% We must take care to not completely break a packaged module
- %% (even though packages still is as an experimental, unsupported
- %% feature) - so we will extract the last part of a packaged
- %% module name and compare only that.
case member(no_error_module_mismatch, Opts) of
true ->
save_binary_1(St);
false ->
Base = filename:rootname(filename:basename(Outfile)),
- case lists:last(packages:split(Mod)) of
+ case atom_to_list(Mod) of
Base ->
save_binary_1(St);
_ ->
@@ -1424,28 +1419,28 @@ report_warnings(#compile{options=Opts,warnings=Ws0}) ->
end.
format_message(F, P, [{{Line,Column}=Loc,Mod,E}|Es]) ->
- M = {{F,Loc},io_lib:format("~s:~w:~w ~s~s\n",
+ M = {{F,Loc},io_lib:format("~s:~w:~w ~s~ts\n",
[F,Line,Column,P,Mod:format_error(E)])},
[M|format_message(F, P, Es)];
format_message(F, P, [{Line,Mod,E}|Es]) ->
- M = {{F,{Line,0}},io_lib:format("~s:~w: ~s~s\n",
+ M = {{F,{Line,0}},io_lib:format("~s:~w: ~s~ts\n",
[F,Line,P,Mod:format_error(E)])},
[M|format_message(F, P, Es)];
format_message(F, P, [{Mod,E}|Es]) ->
- M = {none,io_lib:format("~s: ~s~s\n", [F,P,Mod:format_error(E)])},
+ M = {none,io_lib:format("~s: ~s~ts\n", [F,P,Mod:format_error(E)])},
[M|format_message(F, P, Es)];
format_message(_, _, []) -> [].
%% list_errors(File, ErrorDescriptors) -> ok
list_errors(F, [{{Line,Column},Mod,E}|Es]) ->
- io:fwrite("~s:~w:~w: ~s\n", [F,Line,Column,Mod:format_error(E)]),
+ io:fwrite("~s:~w:~w: ~ts\n", [F,Line,Column,Mod:format_error(E)]),
list_errors(F, Es);
list_errors(F, [{Line,Mod,E}|Es]) ->
- io:fwrite("~s:~w: ~s\n", [F,Line,Mod:format_error(E)]),
+ io:fwrite("~s:~w: ~ts\n", [F,Line,Mod:format_error(E)]),
list_errors(F, Es);
list_errors(F, [{Mod,E}|Es]) ->
- io:fwrite("~s: ~s\n", [F,Mod:format_error(E)]),
+ io:fwrite("~s: ~ts\n", [F,Mod:format_error(E)]),
list_errors(F, Es);
list_errors(_F, []) -> ok.
@@ -1501,10 +1496,12 @@ src_listing(Ext, St) ->
Ext, St).
do_src_listing(Lf, Fs) ->
- foreach(fun (F) -> io:put_chars(Lf, [erl_pp:form(F),"\n"]) end,
+ Opts = [lists:keyfind(encoding, 1, io:getopts(Lf))],
+ foreach(fun (F) -> io:put_chars(Lf, [erl_pp:form(F, Opts),"\n"]) end,
Fs).
-listing(Ext, St) ->
+listing(Ext, St0) ->
+ St = St0#compile{encoding = none},
listing(fun(Lf, Fs) -> beam_listing:module(Lf, Fs) end, Ext, St).
listing(LFun, Ext, St) ->
@@ -1512,6 +1509,7 @@ listing(LFun, Ext, St) ->
case file:open(Lfile, [write,delayed_write]) of
{ok,Lf} ->
Code = restore_expanded_types(Ext, St#compile.code),
+ output_encoding(Lf, St),
LFun(Lf, Code),
ok = file:close(Lf),
{ok,St};
@@ -1520,6 +1518,12 @@ listing(LFun, Ext, St) ->
{error,St#compile{errors=St#compile.errors ++ Es}}
end.
+output_encoding(F, #compile{encoding = none}) ->
+ ok = io:setopts(F, [{encoding, epp:default_encoding()}]);
+output_encoding(F, #compile{encoding = Encoding}) ->
+ ok = io:setopts(F, [{encoding, Encoding}]),
+ ok = io:fwrite(F, <<"%% ~s\n">>, [epp:encoding_to_string(Encoding)]).
+
restore_expanded_types("P", Fs) ->
epp:restore_typed_record_fields(Fs);
restore_expanded_types("E", {M,I,Fs0}) ->
diff --git a/lib/compiler/src/compiler.app.src b/lib/compiler/src/compiler.app.src
index 94c78e68f9..9a02121d8b 100644
--- a/lib/compiler/src/compiler.app.src
+++ b/lib/compiler/src/compiler.app.src
@@ -57,7 +57,6 @@
sys_core_dsetel,
sys_core_fold,
sys_core_inline,
- sys_expand_pmod,
sys_pre_attributes,
sys_pre_expand,
v3_codegen,
diff --git a/lib/compiler/src/core_lint.erl b/lib/compiler/src/core_lint.erl
index b513a8965c..21296a8b66 100644
--- a/lib/compiler/src/core_lint.erl
+++ b/lib/compiler/src/core_lint.erl
@@ -247,7 +247,8 @@ gbody(E, Def, Rt, St0) ->
false -> St1
end.
-gexpr(#c_var{name=N}, Def, _Rt, St) -> expr_var(N, Def, St);
+gexpr(#c_var{name=N}, Def, _Rt, St) when is_atom(N); is_integer(N) ->
+ expr_var(N, Def, St);
gexpr(#c_literal{}, _Def, _Rt, St) -> St;
gexpr(#c_cons{hd=H,tl=T}, Def, _Rt, St) ->
gexpr_list([H,T], Def, St);
diff --git a/lib/compiler/src/core_scan.erl b/lib/compiler/src/core_scan.erl
index 5aab8ae855..0ca2f57dde 100644
--- a/lib/compiler/src/core_scan.erl
+++ b/lib/compiler/src/core_scan.erl
@@ -1,7 +1,8 @@
+%% -*- coding: utf-8 -*-
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2000-2009. All Rights Reserved.
+%% Copyright Ericsson AB 2000-2012. 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
@@ -31,16 +32,16 @@
%% 173 - 176 { - ~ punctuation
%% 177 DEL control
%% 200 - 237 control
-%% 240 - 277 NBSP - � punctuation
-%% 300 - 326 � - � uppercase
-%% 327 � punctuation
-%% 330 - 336 � - � uppercase
-%% 337 - 366 � - � lowercase
-%% 367 � punctuation
-%% 370 - 377 � - � lowercase
+%% 240 - 277 NBSP - ¿ punctuation
+%% 300 - 326 À - Ö uppercase
+%% 327 × punctuation
+%% 330 - 336 Ø - Þ uppercase
+%% 337 - 366 ß - ö lowercase
+%% 367 ÷ punctuation
+%% 370 - 377 ø - ÿ lowercase
%%
%% Many punctuation characters region have special meaning. Must
-%% watch using � \327, bvery close to x \170
+%% watch using × \327, bvery close to x \170
-module(core_scan).
@@ -239,11 +240,11 @@ scan1([C|Cs], Toks, Pos) when C >= $\200, C =< $\240 ->
scan1(Cs, Toks, Pos);
scan1([C|Cs], Toks, Pos) when C >= $a, C =< $z -> %Keywords
scan_key_word(C, Cs, Toks, Pos);
-scan1([C|Cs], Toks, Pos) when C >= $�, C =< $�, C /= $� ->
+scan1([C|Cs], Toks, Pos) when C >= $ß, C =< $ÿ, C /= $÷ ->
scan_key_word(C, Cs, Toks, Pos);
scan1([C|Cs], Toks, Pos) when C >= $A, C =< $Z -> %Variables
scan_variable(C, Cs, Toks, Pos);
-scan1([C|Cs], Toks, Pos) when C >= $�, C =< $�, C /= $� ->
+scan1([C|Cs], Toks, Pos) when C >= $À, C =< $Þ, C /= $× ->
scan_variable(C, Cs, Toks, Pos);
scan1([C|Cs], Toks, Pos) when C >= $0, C =< $9 -> %Numbers
scan_number(C, Cs, Toks, Pos);
@@ -308,9 +309,9 @@ scan_name([], Ncs) ->
{Ncs,[]}.
name_char(C) when C >= $a, C =< $z -> true;
-name_char(C) when C >= $�, C =< $�, C /= $� -> true;
+name_char(C) when C >= $ß, C =< $ÿ, C /= $÷ -> true;
name_char(C) when C >= $A, C =< $Z -> true;
-name_char(C) when C >= $�, C =< $�, C /= $� -> true;
+name_char(C) when C >= $À, C =< $Þ, C /= $× -> true;
name_char(C) when C >= $0, C =< $9 -> true;
name_char($_) -> true;
name_char($@) -> true;
diff --git a/lib/compiler/src/sys_core_fold.erl b/lib/compiler/src/sys_core_fold.erl
index 18fba7962b..fbd7452301 100644
--- a/lib/compiler/src/sys_core_fold.erl
+++ b/lib/compiler/src/sys_core_fold.erl
@@ -686,11 +686,14 @@ call_1(#c_call{anno=Anno}, lists, all, [Arg1,Arg2], Sub) ->
C1 = #c_clause{pats=[#c_cons{hd=X, tl=Xs}], guard=#c_literal{val=true},
body=#c_case{arg=#c_apply{anno=Anno, op=F, args=[X]},
clauses = [CC1, CC2, CC3]}},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=1}]},
body=#c_literal{val=true}},
- Err2 = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
+ Err2 = #c_tuple{es=[#c_literal{val='function_clause'}, F, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
- body=match_fail(Anno, Err2)},
+ body=match_fail([{function_name,{'lists^all',1}}|Anno], Err2)},
Fun = #c_fun{vars=[Xs],
body=#c_case{arg=Xs, clauses=[C1, C2, C3]}},
L = #c_var{name='L'},
@@ -713,11 +716,14 @@ call_1(#c_call{anno=Anno}, lists, any, [Arg1,Arg2], Sub) ->
C1 = #c_clause{pats=[#c_cons{hd=X, tl=Xs}], guard=#c_literal{val=true},
body=#c_case{arg=#c_apply{anno=Anno, op=F, args=[X]},
clauses = [CC1, CC2, CC3]}},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=1}]},
body=#c_literal{val=false}},
- Err2 = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
+ Err2 = #c_tuple{es=[#c_literal{val='function_clause'}, F, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
- body=match_fail(Anno, Err2)},
+ body=match_fail([{function_name,{'lists^any',1}}|Anno], Err2)},
Fun = #c_fun{vars=[Xs],
body=#c_case{arg=Xs, clauses=[C1, C2, C3]}},
L = #c_var{name='L'},
@@ -733,11 +739,14 @@ call_1(#c_call{anno=Anno}, lists, foreach, [Arg1,Arg2], Sub) ->
C1 = #c_clause{pats=[#c_cons{hd=X, tl=Xs}], guard=#c_literal{val=true},
body=#c_seq{arg=#c_apply{anno=Anno, op=F, args=[X]},
body=#c_apply{anno=Anno, op=Loop, args=[Xs]}}},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=1}]},
body=#c_literal{val=ok}},
- Err = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
+ Err = #c_tuple{es=[#c_literal{val='function_clause'}, F, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
- body=match_fail(Anno, Err)},
+ body=match_fail([{function_name,{'lists^foreach',1}}|Anno], Err)},
Fun = #c_fun{vars=[Xs],
body=#c_case{arg=Xs, clauses=[C1, C2, C3]}},
L = #c_var{name='L'},
@@ -756,14 +765,18 @@ call_1(#c_call{anno=Anno}, lists, map, [Arg1,Arg2], Sub) ->
op=F,
args=[X]},
body=#c_cons{hd=H,
+ anno=[compiler_generated],
tl=#c_apply{anno=Anno,
op=Loop,
args=[Xs]}}}},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=1}]},
body=#c_literal{val=[]}},
- Err = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
+ Err = #c_tuple{es=[#c_literal{val='function_clause'}, F, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
- body=match_fail(Anno, Err)},
+ body=match_fail([{function_name,{'lists^map',1}}|Anno], Err)},
Fun = #c_fun{vars=[Xs],
body=#c_case{arg=Xs, clauses=[C1, C2, C3]}},
L = #c_var{name='L'},
@@ -780,18 +793,21 @@ call_1(#c_call{anno=Anno}, lists, flatmap, [Arg1,Arg2], Sub) ->
C1 = #c_clause{pats=[#c_cons{hd=X, tl=Xs}], guard=#c_literal{val=true},
body=#c_let{vars=[H],
arg=#c_apply{anno=Anno, op=F, args=[X]},
- body=#c_call{anno=Anno,
+ body=#c_call{anno=[compiler_generated|Anno],
module=#c_literal{val=erlang},
name=#c_literal{val='++'},
args=[H,
#c_apply{anno=Anno,
op=Loop,
args=[Xs]}]}}},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=1}]},
body=#c_literal{val=[]}},
- Err = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
+ Err = #c_tuple{es=[#c_literal{val='function_clause'}, F, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
- body=match_fail(Anno, Err)},
+ body=match_fail([{function_name,{'lists^flatmap',1}}|Anno], Err)},
Fun = #c_fun{vars=[Xs],
body=#c_case{arg=Xs, clauses=[C1, C2, C3]}},
L = #c_var{name='L'},
@@ -807,7 +823,7 @@ call_1(#c_call{anno=Anno}, lists, filter, [Arg1,Arg2], Sub) ->
B = #c_var{name='B'},
Err1 = #c_tuple{es=[#c_literal{val='case_clause'}, X]},
CC1 = #c_clause{pats=[#c_literal{val=true}], guard=#c_literal{val=true},
- body=#c_cons{hd=X, tl=Xs}},
+ body=#c_cons{anno=[compiler_generated], hd=X, tl=Xs}},
CC2 = #c_clause{pats=[#c_literal{val=false}], guard=#c_literal{val=true},
body=Xs},
CC3 = #c_clause{pats=[X], guard=#c_literal{val=true},
@@ -821,11 +837,14 @@ call_1(#c_call{anno=Anno}, lists, filter, [Arg1,Arg2], Sub) ->
op=Loop,
args=[Xs]},
body=Case}}},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=1}]},
body=#c_literal{val=[]}},
- Err2 = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
+ Err2 = #c_tuple{es=[#c_literal{val='function_clause'}, F, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
- body=match_fail(Anno, Err2)},
+ body=match_fail([{function_name,{'lists^filter',1}}|Anno], Err2)},
Fun = #c_fun{vars=[Xs],
body=#c_case{arg=Xs, clauses=[C1, C2, C3]}},
L = #c_var{name='L'},
@@ -845,10 +864,14 @@ call_1(#c_call{anno=Anno}, lists, foldl, [Arg1,Arg2,Arg3], Sub) ->
args=[Xs, #c_apply{anno=Anno,
op=F,
args=[X, A]}]}},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true}, body=A},
- Err = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=2}]},
+ body=A},
+ Err = #c_tuple{es=[#c_literal{val='function_clause'}, F, A, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
- body=match_fail(Anno, Err)},
+ body=match_fail([{function_name,{'lists^foldl',2}}|Anno], Err)},
Fun = #c_fun{vars=[Xs, A],
body=#c_case{arg=Xs, clauses=[C1, C2, C3]}},
L = #c_var{name='L'},
@@ -868,10 +891,14 @@ call_1(#c_call{anno=Anno}, lists, foldr, [Arg1,Arg2,Arg3], Sub) ->
args=[X, #c_apply{anno=Anno,
op=Loop,
args=[Xs, A]}]}},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true}, body=A},
- Err = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=2}]},
+ body=A},
+ Err = #c_tuple{es=[#c_literal{val='function_clause'}, F, A, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
- body=match_fail(Anno, Err)},
+ body=match_fail([{function_name,{'lists^foldr',2}}|Anno], Err)},
Fun = #c_fun{vars=[Xs, A],
body=#c_case{arg=Xs, clauses=[C1, C2, C3]}},
L = #c_var{name='L'},
@@ -901,7 +928,10 @@ call_1(#c_call{anno=Anno}, lists, mapfoldl, [Arg1,Arg2,Arg3], Sub) ->
op=Loop,
args=[Xs, Avar]},
#c_tuple{es=[Xs, Avar]},
- #c_tuple{es=[#c_cons{hd=X, tl=Xs}, Avar]})
+ #c_tuple{anno=[compiler_generated],
+ es=[#c_cons{anno=[compiler_generated],
+ hd=X, tl=Xs},
+ Avar]})
%%% Multiple-value version
%%% #c_let{vars=[Xs,A],
%%% %% The tuple here will be optimised
@@ -910,14 +940,18 @@ call_1(#c_call{anno=Anno}, lists, mapfoldl, [Arg1,Arg2,Arg3], Sub) ->
%%% body=#c_values{es=[#c_cons{hd=X, tl=Xs},
%%% A]}}
)},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=2}]},
%%% Tuple passing version
- body=#c_tuple{es=[#c_literal{val=[]}, Avar]}},
+ body=#c_tuple{anno=[compiler_generated],
+ es=[#c_literal{val=[]}, Avar]}},
%%% Multiple-value version
%%% body=#c_values{es=[#c_literal{val=[]}, A]}},
- Err = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
+ Err = #c_tuple{es=[#c_literal{val='function_clause'}, F, Avar, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
- body=match_fail(Anno, Err)},
+ body=match_fail([{function_name,{'lists^mapfoldl',2}}|Anno], Err)},
Fun = #c_fun{vars=[Xs, Avar],
body=#c_case{arg=Xs, clauses=[C1, C2, C3]}},
L = #c_var{name='L'},
@@ -955,7 +989,9 @@ call_1(#c_call{anno=Anno}, lists, mapfoldr, [Arg1,Arg2,Arg3], Sub) ->
#c_tuple{es=[Xs, Avar]},
Match(#c_apply{anno=Anno, op=F, args=[X, Avar]},
#c_tuple{es=[X, Avar]},
- #c_tuple{es=[#c_cons{hd=X, tl=Xs}, Avar]}))
+ #c_tuple{anno=[compiler_generated],
+ es=[#c_cons{anno=[compiler_generated],
+ hd=X, tl=Xs}, Avar]}))
%%% Multiple-value version
%%% body=#c_let{vars=[Xs,A],
%%% %% The tuple will be optimised away
@@ -965,14 +1001,18 @@ call_1(#c_call{anno=Anno}, lists, mapfoldr, [Arg1,Arg2,Arg3], Sub) ->
%%% #c_values{es=[#c_cons{hd=X, tl=Xs},
%%% A]})}
},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=2}]},
%%% Tuple passing version
- body=#c_tuple{es=[#c_literal{val=[]}, Avar]}},
+ body=#c_tuple{anno=[compiler_generated],
+ es=[#c_literal{val=[]}, Avar]}},
%%% Multiple-value version
%%% body=#c_values{es=[#c_literal{val=[]}, A]}},
- Err = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
+ Err = #c_tuple{es=[#c_literal{val='function_clause'}, F, Avar, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
- body=match_fail(Anno, Err)},
+ body=match_fail([{function_name,{'lists^mapfoldr',2}}|Anno], Err)},
Fun = #c_fun{vars=[Xs, Avar],
body=#c_case{arg=Xs, clauses=[C1, C2, C3]}},
L = #c_var{name='L'},
@@ -2632,16 +2672,19 @@ bsm_nonempty([#c_clause{pats=Ps}|Cs], Pos) ->
bsm_nonempty([], _ ) -> false.
%% bsm_ensure_no_partition(Cs, Pos) -> ok (exception if problem)
-%% We must make sure that binary matching is not partitioned between
+%% We must make sure that matching is not partitioned between
%% variables like this:
%% foo(<<...>>) -> ...
-%% foo(Var) when ... -> ...
-%% foo(<<...>>) ->
+%% foo(<Variable>) when ... -> ...
+%% foo(<Any non-variable pattern>) ->
%% If there is such partition, we are not allowed to reuse the binary variable
-%% for the match context. Also, arguments to the left of the argument that
-%% is matched against a binary, are only allowed to be simple variables, not
-%% used in guards. The reason is that we must know that the binary is only
-%% matched in one place.
+%% for the match context.
+%%
+%% Also, arguments to the left of the argument that is matched
+%% against a binary, are only allowed to be simple variables, not
+%% used in guards. The reason is that we must know that the binary is
+%% only matched in one place (i.e. there must be only one bs_start_match2
+%% instruction emitted).
bsm_ensure_no_partition(Cs, Pos) ->
bsm_ensure_no_partition_1(Cs, Pos, before).
@@ -2649,6 +2692,12 @@ bsm_ensure_no_partition(Cs, Pos) ->
%% Loop through each clause.
bsm_ensure_no_partition_1([#c_clause{pats=Ps,guard=G}|Cs], Pos, State0) ->
State = bsm_ensure_no_partition_2(Ps, Pos, G, simple_vars, State0),
+ case State of
+ 'after' ->
+ bsm_ensure_no_partition_after(Cs, Pos);
+ _ ->
+ ok
+ end,
bsm_ensure_no_partition_1(Cs, Pos, State);
bsm_ensure_no_partition_1([], _, _) -> ok.
@@ -2658,8 +2707,7 @@ bsm_ensure_no_partition_2([#c_binary{}=Where|_], 1, _, Vstate, State) ->
before when Vstate =:= simple_vars -> within;
before -> bsm_problem(Where, Vstate);
within when Vstate =:= simple_vars -> within;
- within -> bsm_problem(Where, Vstate);
- 'after' -> bsm_problem(Where, bin_partition)
+ within -> bsm_problem(Where, Vstate)
end;
bsm_ensure_no_partition_2([#c_alias{}=Alias|_], 1, N, Vstate, State) ->
%% Retrieve the real pattern that the alias refers to and check that.
@@ -2708,6 +2756,15 @@ bsm_ensure_no_partition_2([#c_var{name=V}|Ps], N, G, Vstate, S) ->
bsm_ensure_no_partition_2([_|Ps], N, G, _, S) ->
bsm_ensure_no_partition_2(Ps, N-1, G, bin_argument_order, S).
+bsm_ensure_no_partition_after([#c_clause{pats=Ps}|Cs], Pos) ->
+ case nth(Pos, Ps) of
+ #c_var{} ->
+ bsm_ensure_no_partition_after(Cs, Pos);
+ P ->
+ bsm_problem(P, bin_partition)
+ end;
+bsm_ensure_no_partition_after([], _) -> ok.
+
bsm_could_match_binary(#c_alias{pat=P}) -> bsm_could_match_binary(P);
bsm_could_match_binary(#c_cons{}) -> false;
bsm_could_match_binary(#c_tuple{}) -> false;
@@ -2832,7 +2889,7 @@ format_error(useless_building) ->
format_error(bin_opt_alias) ->
"INFO: the '=' operator will prevent delayed sub binary optimization";
format_error(bin_partition) ->
- "INFO: non-consecutive clauses that match binaries "
+ "INFO: matching non-variables after a previous clause matching a variable "
"will prevent delayed sub binary optimization";
format_error(bin_left_var_used_in_guard) ->
"INFO: a variable to the left of the binary pattern is used in a guard; "
diff --git a/lib/compiler/src/sys_expand_pmod.erl b/lib/compiler/src/sys_expand_pmod.erl
deleted file mode 100644
index da644b4f0b..0000000000
--- a/lib/compiler/src/sys_expand_pmod.erl
+++ /dev/null
@@ -1,433 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2004-2011. 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(sys_expand_pmod).
-
-%% Expand function definition forms of parameterized module. We assume
-%% all record definitions, imports, queries, etc., have been expanded
-%% away. Any calls on the form 'foo(...)' must be calls to local
-%% functions. Auto-generated functions (module_info,...) have not yet
-%% been added to the function definitions, but are listed in 'defined'
-%% and 'exports'. The automatic 'new/N' function is neither added to the
-%% definitions nor to the 'exports'/'defines' lists yet.
-
--export([forms/4]).
-
--record(pmod, {parameters, exports, defined, predef}).
-
-%% TODO: more abstract handling of predefined/static functions.
-
-forms(Fs0, Ps, Es0, Ds0) ->
- PreDef = [{module_info,0},{module_info,1}],
- forms(Fs0, Ps, Es0, Ds0, PreDef).
-
-forms(Fs0, Ps, Es0, Ds0, PreDef) ->
- St0 = #pmod{parameters=Ps,exports=Es0,defined=Ds0, predef=PreDef},
- {Fs1, St1} = forms(Fs0, St0),
- Es1 = update_function_names(Es0, St1),
- Ds1 = update_function_names(Ds0, St1),
- Fs2 = update_forms(Fs1, St1),
- {Fs2,Es1,Ds1}.
-
-%% This is extremely simplistic for now; all functions get an extra
-%% parameter, whether they need it or not, except for static functions.
-
-update_function_names(Es, St) ->
- [update_function_name(E, St) || E <- Es].
-
-update_function_name(E={F,A}, St) when F =/= new ->
- case ordsets:is_element(E, St#pmod.predef) of
- true -> E;
- false -> {F, A + 1}
- end;
-update_function_name(E, _St) ->
- E.
-
-update_forms([{function,L,N,A,Cs}|Fs],St) when N =/= new ->
- [{function,L,N,A+1,Cs}|update_forms(Fs,St)];
-update_forms([F|Fs],St) ->
- [F|update_forms(Fs,St)];
-update_forms([],_St) ->
- [].
-
-%% Process the program forms.
-
-forms([F0|Fs0],St0) ->
- {F1,St1} = form(F0,St0),
- {Fs1,St2} = forms(Fs0,St1),
- {[F1|Fs1],St2};
-forms([], St0) ->
- {[], St0}.
-
-%% Only function definitions are of interest here. State is not updated.
-form({function,Line,Name0,Arity0,Clauses0},St) when Name0 =/= new ->
- {Name,Arity,Clauses} = function(Name0, Arity0, Clauses0, St),
- {{function,Line,Name,Arity,Clauses},St};
-%% Pass anything else through
-form(F,St) -> {F,St}.
-
-function(Name, Arity, Clauses0, St) ->
- Clauses1 = clauses(Clauses0,St),
- {Name,Arity,Clauses1}.
-
-clauses([C|Cs],St) ->
- {clause,L,H,G,B} = clause(C,St),
- T = {tuple,L,[{var,L,V} || V <- ['_'|St#pmod.parameters]]},
- [{clause,L,H++[{match,L,T,{var,L,'THIS'}}],G,B}|clauses(Cs,St)];
-clauses([],_St) -> [].
-
-clause({clause,Line,H0,G0,B0},St) ->
- H1 = head(H0,St),
- G1 = guard(G0,St),
- B1 = exprs(B0,St),
- {clause,Line,H1,G1,B1}.
-
-head(Ps,St) -> patterns(Ps,St).
-
-patterns([P0|Ps],St) ->
- P1 = pattern(P0,St),
- [P1|patterns(Ps,St)];
-patterns([],_St) -> [].
-
-string_to_conses([], _Line, Tail) ->
- Tail;
-string_to_conses([E|Rest], Line, Tail) ->
- {cons, Line, {integer, Line, E}, string_to_conses(Rest, Line, Tail)}.
-
-pattern({var,_Line,_V}=Var,_St) -> Var;
-pattern({match,Line,L0,R0},St) ->
- L1 = pattern(L0,St),
- R1 = pattern(R0,St),
- {match,Line,L1,R1};
-pattern({integer,_Line,_I}=Integer,_St) -> Integer;
-pattern({char,_Line,_C}=Char,_St) -> Char;
-pattern({float,_Line,_F}=Float,_St) -> Float;
-pattern({atom,_Line,_A}=Atom,_St) -> Atom;
-pattern({string,_Line,_S}=String,_St) -> String;
-pattern({nil,_Line}=Nil,_St) -> Nil;
-pattern({cons,Line,H0,T0},St) ->
- H1 = pattern(H0,St),
- T1 = pattern(T0,St),
- {cons,Line,H1,T1};
-pattern({tuple,Line,Ps0},St) ->
- Ps1 = pattern_list(Ps0,St),
- {tuple,Line,Ps1};
-pattern({bin,Line,Fs},St) ->
- Fs2 = pattern_grp(Fs,St),
- {bin,Line,Fs2};
-pattern({op,_Line,'++',{nil,_},R},St) ->
- pattern(R,St);
-pattern({op,_Line,'++',{cons,Li,{char,_C2,_I}=Char,T},R},St) ->
- pattern({cons,Li,Char,{op,Li,'++',T,R}},St);
-pattern({op,_Line,'++',{cons,Li,{integer,_L2,_I}=Integer,T},R},St) ->
- pattern({cons,Li,Integer,{op,Li,'++',T,R}},St);
-pattern({op,_Line,'++',{string,Li,L},R},St) ->
- pattern(string_to_conses(L, Li, R),St);
-pattern({op,_Line,_Op,_A}=Op4,_St) -> Op4;
-pattern({op,_Line,_Op,_L,_R}=Op5,_St) -> Op5.
-
-pattern_grp([{bin_element,L1,E1,S1,T1} | Fs],St) ->
- S2 = case S1 of
- default ->
- default;
- _ ->
- expr(S1,St)
- end,
- T2 = case T1 of
- default ->
- default;
- _ ->
- bit_types(T1)
- end,
- [{bin_element,L1,expr(E1,St),S2,T2} | pattern_grp(Fs,St)];
-pattern_grp([],_St) ->
- [].
-
-bit_types([]) ->
- [];
-bit_types([Atom | Rest]) when is_atom(Atom) ->
- [Atom | bit_types(Rest)];
-bit_types([{Atom, Integer} | Rest]) when is_atom(Atom), is_integer(Integer) ->
- [{Atom, Integer} | bit_types(Rest)].
-
-pattern_list([P0|Ps],St) ->
- P1 = pattern(P0,St),
- [P1|pattern_list(Ps,St)];
-pattern_list([],_St) -> [].
-
-guard([G0|Gs],St) when is_list(G0) ->
- [guard0(G0,St) | guard(Gs,St)];
-guard(L,St) ->
- guard0(L,St).
-
-guard0([G0|Gs],St) ->
- G1 = guard_test(G0,St),
- [G1|guard0(Gs,St)];
-guard0([],_St) -> [].
-
-guard_test(Expr={call,Line,{atom,La,F},As0},St) ->
- case erl_internal:type_test(F, length(As0)) of
- true ->
- As1 = gexpr_list(As0,St),
- {call,Line,{atom,La,F},As1};
- _ ->
- gexpr(Expr,St)
- end;
-guard_test(Any,St) ->
- gexpr(Any,St).
-
-gexpr({var,_L,_V}=Var,_St) -> Var;
-% %% alternative implementation of accessing module parameters
-% case index(V,St#pmod.parameters) of
-% N when N > 0 ->
-% {call,L,{remote,L,{atom,L,erlang},{atom,L,element}},
-% [{integer,L,N+1},{var,L,'THIS'}]};
-% _ ->
-% Var
-% end;
-gexpr({integer,_Line,_I}=Integer,_St) -> Integer;
-gexpr({char,_Line,_C}=Char,_St) -> Char;
-gexpr({float,_Line,_F}=Float,_St) -> Float;
-gexpr({atom,_Line,_A}=Atom,_St) -> Atom;
-gexpr({string,_Line,_S}=String,_St) -> String;
-gexpr({nil,_Line}=Nil,_St) -> Nil;
-gexpr({cons,Line,H0,T0},St) ->
- H1 = gexpr(H0,St),
- T1 = gexpr(T0,St),
- {cons,Line,H1,T1};
-gexpr({tuple,Line,Es0},St) ->
- Es1 = gexpr_list(Es0,St),
- {tuple,Line,Es1};
-gexpr({call,Line,{atom,_La,F}=Atom,As0},St) ->
- true = erl_internal:guard_bif(F, length(As0)),
- As1 = gexpr_list(As0,St),
- {call,Line,Atom,As1};
-%% Pre-expansion generated calls to erlang:is_record/3 must also be handled
-gexpr({call,Line,{remote,La,{atom,Lb,erlang},{atom,Lc,is_record}},[_,_,_]=As0},St) ->
- As1 = gexpr_list(As0,St),
- {call,Line,{remote,La,{atom,Lb,erlang},{atom,Lc,is_record}},As1};
-%% Guard BIFs can be remote, but only in the module erlang...
-gexpr({call,Line,{remote,La,{atom,Lb,erlang},{atom,Lc,F}},As0},St) ->
- A = length(As0),
- true =
- erl_internal:guard_bif(F, A) orelse erl_internal:arith_op(F, A) orelse
- erl_internal:comp_op(F, A) orelse erl_internal:bool_op(F, A),
- As1 = gexpr_list(As0,St),
- {call,Line,{remote,La,{atom,Lb,erlang},{atom,Lc,F}},As1};
-%% Unfortunately, writing calls as {M,F}(...) is also allowed.
-gexpr({call,Line,{tuple,La,[{atom,Lb,erlang},{atom,Lc,F}]},As0},St) ->
- A = length(As0),
- true =
- erl_internal:guard_bif(F, A) orelse erl_internal:arith_op(F, A) orelse
- erl_internal:comp_op(F, A) orelse erl_internal:bool_op(F, A),
- As1 = gexpr_list(As0,St),
- {call,Line,{tuple,La,[{atom,Lb,erlang},{atom,Lc,F}]},As1};
-gexpr({bin,Line,Fs},St) ->
- Fs2 = pattern_grp(Fs,St),
- {bin,Line,Fs2};
-gexpr({op,Line,Op,A0},St) ->
- true = erl_internal:arith_op(Op, 1) orelse erl_internal:bool_op(Op, 1),
- A1 = gexpr(A0,St),
- {op,Line,Op,A1};
-gexpr({op,Line,Op,L0,R0},St) ->
- true =
- Op =:= 'andalso' orelse Op =:= 'orelse' orelse
- erl_internal:arith_op(Op, 2) orelse
- erl_internal:bool_op(Op, 2) orelse erl_internal:comp_op(Op, 2),
- L1 = gexpr(L0,St),
- R1 = gexpr(R0,St),
- {op,Line,Op,L1,R1}.
-
-gexpr_list([E0|Es],St) ->
- E1 = gexpr(E0,St),
- [E1|gexpr_list(Es,St)];
-gexpr_list([],_St) -> [].
-
-exprs([E0|Es],St) ->
- E1 = expr(E0,St),
- [E1|exprs(Es,St)];
-exprs([],_St) -> [].
-
-expr({var,_L,_V}=Var,_St) ->
- Var;
-% case index(V,St#pmod.parameters) of
-% N when N > 0 ->
-% {call,L,{remote,L,{atom,L,erlang},{atom,L,element}},
-% [{integer,L,N+1},{var,L,'THIS'}]};
-% _ ->
-% Var
-% end;
-expr({integer,_Line,_I}=Integer,_St) -> Integer;
-expr({float,_Line,_F}=Float,_St) -> Float;
-expr({atom,_Line,_A}=Atom,_St) -> Atom;
-expr({string,_Line,_S}=String,_St) -> String;
-expr({char,_Line,_C}=Char,_St) -> Char;
-expr({nil,_Line}=Nil,_St) -> Nil;
-expr({cons,Line,H0,T0},St) ->
- H1 = expr(H0,St),
- T1 = expr(T0,St),
- {cons,Line,H1,T1};
-expr({lc,Line,E0,Qs0},St) ->
- Qs1 = lc_bc_quals(Qs0,St),
- E1 = expr(E0,St),
- {lc,Line,E1,Qs1};
-expr({bc,Line,E0,Qs0},St) ->
- Qs1 = lc_bc_quals(Qs0,St),
- E1 = expr(E0,St),
- {bc,Line,E1,Qs1};
-expr({tuple,Line,Es0},St) ->
- Es1 = expr_list(Es0,St),
- {tuple,Line,Es1};
-expr({block,Line,Es0},St) ->
- Es1 = exprs(Es0,St),
- {block,Line,Es1};
-expr({'if',Line,Cs0},St) ->
- Cs1 = icr_clauses(Cs0,St),
- {'if',Line,Cs1};
-expr({'case',Line,E0,Cs0},St) ->
- E1 = expr(E0,St),
- Cs1 = icr_clauses(Cs0,St),
- {'case',Line,E1,Cs1};
-expr({'receive',Line,Cs0},St) ->
- Cs1 = icr_clauses(Cs0,St),
- {'receive',Line,Cs1};
-expr({'receive',Line,Cs0,To0,ToEs0},St) ->
- To1 = expr(To0,St),
- ToEs1 = exprs(ToEs0,St),
- Cs1 = icr_clauses(Cs0,St),
- {'receive',Line,Cs1,To1,ToEs1};
-expr({'try',Line,Es0,Scs0,Ccs0,As0},St) ->
- Es1 = exprs(Es0,St),
- Scs1 = icr_clauses(Scs0,St),
- Ccs1 = icr_clauses(Ccs0,St),
- As1 = exprs(As0,St),
- {'try',Line,Es1,Scs1,Ccs1,As1};
-expr({'fun',_,{function,_,_,_}}=ExtFun,_St) ->
- ExtFun;
-expr({'fun',Line,Body,Info},St) ->
- case Body of
- {clauses,Cs0} ->
- Cs1 = fun_clauses(Cs0,St),
- {'fun',Line,{clauses,Cs1},Info};
- {function,F,A} = Function ->
- {F1,A1} = update_function_name({F,A},St),
- if A1 =:= A ->
- {'fun',Line,Function,Info};
- true ->
- %% Must rewrite local fun-name to a fun that does a
- %% call with the extra THIS parameter.
- As = make_vars(A, Line),
- As1 = As ++ [{var,Line,'THIS'}],
- Call = {call,Line,{atom,Line,F1},As1},
- Cs = [{clause,Line,As,[],[Call]}],
- {'fun',Line,{clauses,Cs},Info}
- end;
- {function,_M,_F,_A} = Fun4 -> %This is an error in lint!
- {'fun',Line,Fun4,Info}
- end;
-expr({call,Lc,{atom,_,instance}=Name,As0},St) ->
- %% All local functions 'instance(...)' are static by definition,
- %% so they do not take a 'THIS' argument when called
- As1 = expr_list(As0,St),
- {call,Lc,Name,As1};
-expr({call,Lc,{atom,_,new}=Name,As0},St) ->
- %% All local functions 'new(...)' are static by definition,
- %% so they do not take a 'THIS' argument when called
- As1 = expr_list(As0,St),
- {call,Lc,Name,As1};
-expr({call,Lc,{atom,_,module_info}=Name,As0},St)
- when length(As0) =:= 0; length(As0) =:= 1 ->
- %% The module_info/0 and module_info/1 functions are also static.
- As1 = expr_list(As0,St),
- {call,Lc,Name,As1};
-expr({call,Lc,{atom,_Lf,_F}=Atom,As0},St) ->
- %% Local function call - needs THIS parameter.
- As1 = expr_list(As0,St),
- {call,Lc,Atom,As1 ++ [{var,0,'THIS'}]};
-expr({call,Line,F0,As0},St) ->
- %% Other function call
- F1 = expr(F0,St),
- As1 = expr_list(As0,St),
- {call,Line,F1,As1};
-expr({'catch',Line,E0},St) ->
- E1 = expr(E0,St),
- {'catch',Line,E1};
-expr({match,Line,P0,E0},St) ->
- E1 = expr(E0,St),
- P1 = pattern(P0,St),
- {match,Line,P1,E1};
-expr({bin,Line,Fs},St) ->
- Fs2 = pattern_grp(Fs,St),
- {bin,Line,Fs2};
-expr({op,Line,Op,A0},St) ->
- A1 = expr(A0,St),
- {op,Line,Op,A1};
-expr({op,Line,Op,L0,R0},St) ->
- L1 = expr(L0,St),
- R1 = expr(R0,St),
- {op,Line,Op,L1,R1};
-%% The following are not allowed to occur anywhere!
-expr({remote,Line,M0,F0},St) ->
- M1 = expr(M0,St),
- F1 = expr(F0,St),
- {remote,Line,M1,F1}.
-
-expr_list([E0|Es],St) ->
- E1 = expr(E0,St),
- [E1|expr_list(Es,St)];
-expr_list([],_St) -> [].
-
-icr_clauses([C0|Cs],St) ->
- C1 = clause(C0,St),
- [C1|icr_clauses(Cs,St)];
-icr_clauses([],_St) -> [].
-
-lc_bc_quals([{generate,Line,P0,E0}|Qs],St) ->
- E1 = expr(E0,St),
- P1 = pattern(P0,St),
- [{generate,Line,P1,E1}|lc_bc_quals(Qs,St)];
-lc_bc_quals([{b_generate,Line,P0,E0}|Qs],St) ->
- E1 = expr(E0,St),
- P1 = pattern(P0,St),
- [{b_generate,Line,P1,E1}|lc_bc_quals(Qs,St)];
-lc_bc_quals([E0|Qs],St) ->
- E1 = expr(E0,St),
- [E1|lc_bc_quals(Qs,St)];
-lc_bc_quals([],_St) -> [].
-
-fun_clauses([C0|Cs],St) ->
- C1 = clause(C0,St),
- [C1|fun_clauses(Cs,St)];
-fun_clauses([],_St) -> [].
-
-%% %% Return index from 1 upwards, or 0 if not in the list.
-%%
-%% index(X,Ys) -> index(X,Ys,1).
-%%
-%% index(X,[X|Ys],A) -> A;
-%% index(X,[Y|Ys],A) -> index(X,Ys,A+1);
-%% index(X,[],A) -> 0.
-
-make_vars(N, L) ->
- make_vars(1, N, L).
-
-make_vars(N, M, L) when N =< M ->
- V = list_to_atom("X"++integer_to_list(N)),
- [{var,L,V} | make_vars(N + 1, M, L)];
-make_vars(_, _, _) ->
- [].
diff --git a/lib/compiler/src/sys_pre_expand.erl b/lib/compiler/src/sys_pre_expand.erl
index e55fb2a037..7d918a55ed 100644
--- a/lib/compiler/src/sys_pre_expand.erl
+++ b/lib/compiler/src/sys_pre_expand.erl
@@ -28,17 +28,14 @@
%% Main entry point.
-export([module/2]).
--import(ordsets, [from_list/1,add_element/2,union/2]).
+-import(ordsets, [from_list/1,union/2]).
-import(lists, [member/2,foldl/3,foldr/3]).
-include("../include/erl_bits.hrl").
-record(expand, {module=[], %Module name
- parameters=undefined, %Module parameters
- package="", %Module package
exports=[], %Exports
imports=[], %Imports
- mod_imports, %Module Imports
compile=[], %Compile flags
attributes=[], %Attributes
callbacks=[], %Callbacks
@@ -67,12 +64,8 @@ module(Fs0, Opts0) ->
%% Set pre-defined exported functions.
PreExp = [{module_info,0},{module_info,1}],
- %% Set pre-defined module imports.
- PreModImp = [{erlang,erlang},{packages,packages}],
-
%% Build initial expand record.
St0 = #expand{exports=PreExp,
- mod_imports=dict:from_list(PreModImp),
compile=Opts,
defined=PreExp,
bitdefault = erl_bits:system_bitdefault(),
@@ -80,88 +73,20 @@ module(Fs0, Opts0) ->
},
%% Expand the functions.
{Tfs,St1} = forms(Fs, define_functions(Fs, St0)),
- {Efs,St2} = expand_pmod(Tfs, St1),
%% Get the correct list of exported functions.
- Exports = case member(export_all, St2#expand.compile) of
- true -> gb_sets:to_list(St2#expand.defined);
- false -> St2#expand.exports
+ Exports = case member(export_all, St1#expand.compile) of
+ true -> gb_sets:to_list(St1#expand.defined);
+ false -> St1#expand.exports
end,
%% Generate all functions from stored info.
- {Ats,St3} = module_attrs(St2#expand{exports = Exports}),
+ {Ats,St3} = module_attrs(St1#expand{exports = Exports}),
{Mfs,St4} = module_predef_funcs(St3),
- {St4#expand.module, St4#expand.exports, Ats ++ Efs ++ Mfs,
+ {St4#expand.module, St4#expand.exports, Ats ++ Tfs ++ Mfs,
St4#expand.compile}.
compiler_options(Forms) ->
lists:flatten([C || {attribute,_,compile,C} <- Forms]).
-expand_pmod(Fs0, St0) ->
- case St0#expand.parameters of
- undefined ->
- {Fs0,St0};
- Ps0 ->
- Base = get_base(St0#expand.attributes),
- Ps = if is_atom(Base) ->
- ['BASE' | Ps0];
- true ->
- Ps0
- end,
- Def = gb_sets:to_list(St0#expand.defined),
- {Fs1,Xs,Ds} = sys_expand_pmod:forms(Fs0, Ps,
- St0#expand.exports,
- Def),
- St1 = St0#expand{exports=Xs,defined=gb_sets:from_list(Ds)},
- {Fs2,St2} = add_instance(Ps, Fs1, St1),
- {Fs3,St3} = ensure_new(Base, Ps0, Fs2, St2),
- {Fs3,St3#expand{attributes = [{abstract, 0, [true]}
- | St3#expand.attributes]}}
- end.
-
-get_base(As) ->
- case lists:keyfind(extends, 1, As) of
- {extends,_,[Base]} when is_atom(Base) ->
- Base;
- _ ->
- []
- end.
-
-ensure_new(Base, Ps, Fs, St) ->
- case has_new(Fs) of
- true ->
- {Fs, St};
- false ->
- add_new(Base, Ps, Fs, St)
- end.
-
-has_new([{function,_L,new,_A,_Cs} | _Fs]) ->
- true;
-has_new([_ | Fs]) ->
- has_new(Fs);
-has_new([]) ->
- false.
-
-add_new(Base, Ps, Fs, St) ->
- Vs = [{var,0,V} || V <- Ps],
- As = if is_atom(Base) ->
- [{call,0,{remote,0,{atom,0,Base},{atom,0,new}},Vs} | Vs];
- true ->
- Vs
- end,
- Body = [{call,0,{atom,0,instance},As}],
- add_func(new, Vs, Body, Fs, St).
-
-add_instance(Ps, Fs, St) ->
- Vs = [{var,0,V} || V <- Ps],
- AbsMod = [{tuple,0,[{atom,0,St#expand.module}|Vs]}],
- add_func(instance, Vs, AbsMod, Fs, St).
-
-add_func(Name, Args, Body, Fs, St) ->
- A = length(Args),
- F = {function,0,Name,A,[{clause,0,Args,[],Body}]},
- NA = {Name,A},
- {[F|Fs],St#expand{exports=add_element(NA, St#expand.exports),
- defined=gb_sets:add_element(NA, St#expand.defined)}}.
-
%% define_function(Form, State) -> State.
%% Add function to defined if form is a function.
@@ -241,15 +166,9 @@ forms([], St) -> {[],St}.
%% attribute(Attribute, Value, Line, State) -> State'.
%% Process an attribute, this just affects the state.
-attribute(module, {Module, As}, _L, St) ->
- M = package_to_string(Module),
- St#expand{module=list_to_atom(M),
- package=packages:strip_last(M),
- parameters=As};
attribute(module, Module, _L, St) ->
- M = package_to_string(Module),
- St#expand{module=list_to_atom(M),
- package=packages:strip_last(M)};
+ true = is_atom(Module),
+ St#expand{module=Module};
attribute(export, Es, _L, St) ->
St#expand{exports=union(from_list(Es), St#expand.exports)};
attribute(import, Is, _L, St) ->
@@ -312,8 +231,6 @@ pattern({tuple,Line,Ps}, St0) ->
%%pattern({struct,Line,Tag,Ps}, St0) ->
%% {TPs,TPsvs,St1} = pattern_list(Ps, St0),
%% {{tuple,Line,[{atom,Line,Tag}|TPs]},TPsvs,St1};
-pattern({record_field,_,_,_}=M, St) ->
- {expand_package(M, St),St}; % must be a package name
pattern({bin,Line,Es0}, St0) ->
{Es1,St1} = pattern_bin(Es0, St0),
{{bin,Line,Es1},St1};
@@ -404,8 +321,6 @@ expr({tuple,Line,Es0}, St0) ->
%%expr({struct,Line,Tag,Es0}, Vs, St0) ->
%% {Es1,Esvs,Esus,St1} = expr_list(Es0, Vs, St0),
%% {{tuple,Line,[{atom,Line,Tag}|Es1]},Esvs,Esus,St1};
-expr({record_field,_,_,_}=M, St) ->
- {expand_package(M, St),St}; % must be a package name
expr({bin,Line,Es0}, St0) ->
{Es1,St1} = expr_bin(Es0, St0),
{{bin,Line,Es1},St1};
@@ -448,12 +363,9 @@ expr({call,Line,{atom,La,N}=Atom,As0}, St0) ->
end
end
end;
-expr({call,Line,{record_field,_,_,_}=M,As0}, St0) ->
- expr({call,Line,expand_package(M, St0),As0}, St0);
-expr({call,Line,{remote,Lr,M,F},As0}, St0) ->
- M1 = expand_package(M, St0),
- {[M2,F1|As1],St1} = expr_list([M1,F|As0], St0),
- {{call,Line,{remote,Lr,M2,F1},As1},St1};
+expr({call,Line,{remote,Lr,M0,F},As0}, St0) ->
+ {[M1,F1|As1],St1} = expr_list([M0,F|As0], St0),
+ {{call,Line,{remote,Lr,M1,F1},As1},St1};
expr({call,Line,F,As0}, St0) ->
{[Fun1|As1],St1} = expr_list([F|As0], St0),
{{call,Line,Fun1,As1},St1};
@@ -666,32 +578,6 @@ string_to_conses(Line, Cs, Tail) ->
foldr(fun (C, T) -> {cons,Line,{char,Line,C},T} end, Tail, Cs).
-%% In syntax trees, module/package names are atoms or lists of atoms.
-
-package_to_string(A) when is_atom(A) -> atom_to_list(A);
-package_to_string(L) when is_list(L) -> packages:concat(L).
-
-expand_package({atom,L,A} = M, St) ->
- case dict:find(A, St#expand.mod_imports) of
- {ok, A1} ->
- {atom,L,A1};
- error ->
- case packages:is_segmented(A) of
- true ->
- M;
- false ->
- M1 = packages:concat(St#expand.package, A),
- {atom,L,list_to_atom(M1)}
- end
- end;
-expand_package(M, _St) ->
- case erl_parse:package_segments(M) of
- error ->
- M;
- M1 ->
- {atom,element(2,M),list_to_atom(package_to_string(M1))}
- end.
-
%% import(Line, Imports, State) ->
%% State'
%% imported(Name, Arity, State) ->
@@ -699,15 +585,10 @@ expand_package(M, _St) ->
%% Handle import declarations and test for imported functions. No need to
%% check when building imports as code is correct.
-import({Mod0,Fs}, St) ->
- Mod = list_to_atom(package_to_string(Mod0)),
+import({Mod,Fs}, St) ->
+ true = is_atom(Mod),
Mfs = from_list(Fs),
- St#expand{imports=add_imports(Mod, Mfs, St#expand.imports)};
-import(Mod0, St) ->
- Mod = package_to_string(Mod0),
- Key = list_to_atom(packages:last(Mod)),
- St#expand{mod_imports=dict:store(Key, list_to_atom(Mod),
- St#expand.mod_imports)}.
+ St#expand{imports=add_imports(Mod, Mfs, St#expand.imports)}.
add_imports(Mod, [F|Fs], Is) ->
add_imports(Mod, Fs, orddict:store(F, Mod, Is));
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-12 11:44:18 +0000