From 1ecdeb93de260fcd31a9e7032e404b92d206e50f Mon Sep 17 00:00:00 2001 From: Dan Gudmundsson Date: Mon, 2 Oct 2017 17:09:50 +0200 Subject: stdlib: Minor unicode_util opts Exit early for Latin-1 --- lib/stdlib/uc_spec/gen_unicode_mod.escript | 31 +++++++++++++++++++++++------- 1 file changed, 24 insertions(+), 7 deletions(-) (limited to 'lib/stdlib/uc_spec') diff --git a/lib/stdlib/uc_spec/gen_unicode_mod.escript b/lib/stdlib/uc_spec/gen_unicode_mod.escript index fefd7d3b70..73c351e1af 100755 --- a/lib/stdlib/uc_spec/gen_unicode_mod.escript +++ b/lib/stdlib/uc_spec/gen_unicode_mod.escript @@ -170,7 +170,7 @@ gen_header(Fd) -> io:put_chars(Fd, "-export([spec_version/0, lookup/1, get_case/1]).\n"), io:put_chars(Fd, "-inline([class/1]).\n"), io:put_chars(Fd, "-compile(nowarn_unused_vars).\n"), - io:put_chars(Fd, "-dialyzer({no_improper_lists, [cp/1, gc_prepend/2, gc_e_cont/2]}).\n"), + io:put_chars(Fd, "-dialyzer({no_improper_lists, [cp/1, gc/1, gc_prepend/2, gc_e_cont/2]}).\n"), io:put_chars(Fd, "-type gc() :: char()|[char()].\n\n\n"), ok. @@ -240,7 +240,7 @@ gen_norm(Fd) -> "-spec nfd(unicode:chardata()) -> maybe_improper_list(gc(),unicode:chardata()) | {error, unicode:chardata()}.\n" "nfd(Str0) ->\n" " case gc(Str0) of\n" - " [GC|R] when GC < 127 -> [GC|R];\n" + " [GC|R] when GC < 128 -> [GC|R];\n" " [GC|Str] -> [decompose(GC)|Str];\n" " [] -> [];\n" " {error,_}=Error -> Error\n end.\n\n" @@ -250,7 +250,7 @@ gen_norm(Fd) -> "-spec nfkd(unicode:chardata()) -> maybe_improper_list(gc(),unicode:chardata()) | {error, unicode:chardata()}.\n" "nfkd(Str0) ->\n" " case gc(Str0) of\n" - " [GC|R] when GC < 127 -> [GC|R];\n" + " [GC|R] when GC < 128 -> [GC|R];\n" " [GC|Str] -> [decompose_compat(GC)|Str];\n" " [] -> [];\n" " {error,_}=Error -> Error\n end.\n\n" @@ -260,7 +260,7 @@ gen_norm(Fd) -> "-spec nfc(unicode:chardata()) -> maybe_improper_list(gc(),unicode:chardata()) | {error, unicode:chardata()}.\n" "nfc(Str0) ->\n" " case gc(Str0) of\n" - " [GC|R] when GC < 255 -> [GC|R];\n" + " [GC|R] when GC < 256 -> [GC|R];\n" " [GC|Str] -> [compose(decompose(GC))|Str];\n" " [] -> [];\n" " {error,_}=Error -> Error\n end.\n\n" @@ -270,7 +270,7 @@ gen_norm(Fd) -> "-spec nfkc(unicode:chardata()) -> maybe_improper_list(gc(),unicode:chardata()) | {error, unicode:chardata()}.\n" "nfkc(Str0) ->\n" " case gc(Str0) of\n" - " [GC|R] when GC < 127 -> [GC|R];\n" + " [GC|R] when GC < 128 -> [GC|R];\n" " [GC|Str] -> [compose_compat_0(decompose_compat(GC))|Str];\n" " [] -> [];\n" " {error,_}=Error -> Error\n end.\n\n" @@ -476,13 +476,30 @@ gen_gc(Fd, GBP) -> "-spec gc(String::unicode:chardata()) ->" " maybe_improper_list() | {error, unicode:chardata()}.\n"), io:put_chars(Fd, + "gc([CP1, CP2|_]=T)\n" + " when CP1 < 256, CP2 < 256, CP1 =/= $\r -> %% Ascii Fast path\n" + " T;\n" + "gc(<>) ->\n" + " if CP1 < 256, CP1 =/= $\r ->\n" + " case Rest of\n" + " <> when CP2 < 256 -> %% Ascii Fast path\n" + " [CP1|Rest];\n" + " _ -> gc_1([CP1|Rest])\n" + " end;\n" + " true -> gc_1([CP1|Rest])\n" + " end;\n" "gc(Str) ->\n" " gc_1(cp(Str)).\n\n" "gc_1([$\\r|R0] = R) ->\n" " case cp(R0) of % Don't break CRLF\n" " [$\\n|R1] -> [[$\\r,$\\n]|R1];\n" " _ -> R\n" - " end;\n"), + " end;\n" + %% "gc_1([CP1, CP2|_]=T) when CP1 < 256, CP2 < 256 ->\n" + %% " T; %% Fast path\n" + %% "gc_1([CP1|<>]=T) when CP1 < 256, CP2 < 256 ->\n" + %% " T; %% Fast path\n" + ), io:put_chars(Fd, "%% Handle control\n"), GenControl = fun(Range) -> io:format(Fd, "gc_1~s R0;\n", [gen_clause(Range)]) end, @@ -490,7 +507,7 @@ gen_gc(Fd, GBP) -> [R1,R2,R3|Crs] = CRs0, [GenControl(CP) || CP <- merge_ranges([R1,R2,R3], split), CP =/= {$\r, undefined}], %%GenControl(R1),GenControl(R2),GenControl(R3), - io:format(Fd, "gc_1([CP|R]) when CP < 255 -> gc_extend(R,CP);\n", []), + io:format(Fd, "gc_1([CP|R]) when CP < 256 -> gc_extend(R,CP);\n", []), [GenControl(CP) || CP <- Crs], %% One clause per CP %% CRs0 = merge_ranges(maps:get(cr, GBP) ++ maps:get(lf, GBP) ++ maps:get(control, GBP)), -- cgit v1.2.3