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#!/usr/bin/perl
#
#//===----------------------------------------------------------------------===//
#//
#// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
#// See https://llvm.org/LICENSE.txt for license information.
#// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#//
#//===----------------------------------------------------------------------===//
#
use strict;
use warnings;
use File::Glob ":glob";
use Encode qw{ encode };
use FindBin;
use lib "$FindBin::Bin/lib";
use tools;
our $VERSION = "0.04";
my $escape = qr{%};
my $placeholder = qr{(\d)\$(s|l?[du])};
my $target_os;
my $sections =
{
meta => { short => "prp" }, # "prp" stands for "property".
strings => { short => "str" },
formats => { short => "fmt" },
messages => { short => "msg" },
hints => { short => "hnt" },
};
my @sections = qw{ meta strings formats messages hints };
# Assign section properties: long name, set number, base number.
map( $sections->{ $sections[ $_ ] }->{ long } = $sections[ $_ ], ( 0 .. @sections - 1 ) );
map( $sections->{ $sections[ $_ ] }->{ set } = ( $_ + 1 ), ( 0 .. @sections - 1 ) );
map( $sections->{ $sections[ $_ ] }->{ base } = ( ( $_ + 1 ) << 16 ), ( 0 .. @sections - 1 ) );
# Properties of Meta section.
my @properties = qw{ Language Country LangId Version Revision };
sub _generate_comment($$$) {
my ( $data, $open, $close ) = @_;
my $bulk =
$open . " Do not edit this file! " . $close . "\n" .
$open . " The file was generated from " . get_file( $data->{ "%meta" }->{ source } ) .
" by " . $tool . " on " . localtime() . ". " . $close . "\n";
return $bulk;
}; # sub _generate_comment
sub msg2sgn($) {
# Convert message string to signature. Signature is a list of placeholders in sorted order.
# For example, signature of "%1$s value \"%2$s\" is invalid." is "%1$s %2$s".
my ( $msg ) = @_;
my @placeholders;
pos( $msg ) = 0;
while ( $msg =~ m{\G.*?$escape$placeholder}g ) {
$placeholders[ $1 - 1 ] = "%$1\$$2";
}; # while
for ( my $i = 1; $i <= @placeholders; ++ $i ) {
if ( not defined( $placeholders[ $i - 1 ] ) ) {
$placeholders[ $i - 1 ] = "%$i\$-";
}; # if
}; # for $i
return join( " ", @placeholders );
}; # sub msg2sgn
sub msg2src($) {
# Convert message string to a C string constant.
my ( $msg ) = @_;
if ( $target_os eq "win" ) {
$msg =~ s{$escape$placeholder}{\%$1!$2!}g;
}; # if
return $msg;
}; # sub msg2src
my $special =
{
"n" => "\n",
"t" => "\t",
};
sub msg2mc($) {
my ( $msg ) = @_;
$msg = msg2src( $msg ); # Get windows style placeholders.
$msg =~ s{\\(.)}{ exists( $special->{ $1 } ) ? $special->{ $1 } : $1 }ge;
return $msg;
}; # sub msg2mc
sub parse_message($) {
my ( $msg ) = @_;
pos( $msg ) = 0;
for ( ; ; ) {
if ( $msg !~ m{\G.*?$escape}gc ) {
last;
}
if ( $msg !~ m{\G$placeholder}gc ) {
return "Bad %-sequence near \"%" . substr( $msg, pos( $msg ), 7 ) . "\"";
}; # if
}; # forever
return undef;
}; # sub parse_message
sub parse_source($) {
my ( $name ) = @_;
my @bulk = read_file( $name, -layer => ":utf8" );
my $data = {};
my $line;
my $n = 0; # Line number.
my $obsolete = 0; # Counter of obsolete entries.
my $last_idx;
my %idents;
my $section;
my $error =
sub {
my ( $n, $line, $msg ) = @_;
runtime_error( "Error parsing $name line $n: " . "$msg:\n" . " $line" );
}; # sub
foreach $line ( @bulk ) {
++ $n;
# Skip empty lines and comments.
if ( $line =~ m{\A\s*(\n|#)} ) {
$last_idx = undef;
next;
}; # if
# Parse section header.
if ( $line =~ m{\A-\*-\s*([A-Z_]*)\s*-\*-\s*\n\z}i ) {
$section = ( lc( $1 ) );
if ( not grep( $section eq $_, @sections ) ) {
$error->( $n, $line, "Unknown section \"$section\" specified" );
}; # if
if ( exists( $data->{ $section } ) ) {
$error->( $n, $line, "Multiple sections of the same type specified" );
}; # if
%idents = (); # Clean list of known message identifiers.
next;
}; # if
if ( not defined( $section ) ) {
$error->( $n, $line, "Section heading expected" );
}; # if
# Parse section body.
if ( $section eq "meta" ) {
if ( $line =~ m{\A([A-Z_][A-Z_0-9]*)\s+"(.*)"\s*?\n?\z}i ) {
# Parse meta properties (such as Language, Country, and LangId).
my ( $property, $value ) = ( $1, $2 );
if ( not grep( $_ eq $property , @properties ) ) {
$error->( $n, $line, "Unknown property \"$property\" specified" );
}; # if
if ( exists( $data->{ "%meta" }->{ $property } ) ) {
$error->( $n, $line, "Property \"$property\" has already been specified" );
}; # if
$data->{ "%meta" }->{ $property } = $value;
$last_idx = undef;
next;
}; # if
$error->( $n, $line, "Property line expected" );
}; # if
# Parse message.
if ( $line =~ m{\A([A-Z_][A-Z_0-9]*)\s+"(.*)"\s*?\n?\z}i ) {
my ( $ident, $message ) = ( $1, $2 );
if ( $ident eq "OBSOLETE" ) {
# If id is "OBSOLETE", add a unique suffix. It provides convenient way to mark
# obsolete messages.
++ $obsolete;
$ident .= $obsolete;
}; # if
if ( exists( $idents{ $ident } ) ) {
$error->( $n, $line, "Identifier \"$ident\" is redefined" );
}; # if
# Check %-sequences.
my $err = parse_message( $message );
if ( $err ) {
$error->( $n, $line, $err );
}; # if
# Save message.
push( @{ $data->{ $section } }, [ $ident, $message ] );
$idents{ $ident } = 1;
$last_idx = @{ $data->{ $section } } - 1;
next;
}; # if
# Parse continuation line.
if ( $line =~ m{\A\s*"(.*)"\s*\z} ) {
my $message = $1;
if ( not defined( $last_idx ) ) {
$error->( $n, $line, "Unexpected continuation line" );
}; # if
# Check %-sequences.
my $err = parse_message( $message );
if ( $err ) {
$error->( $n, $line, $err );
}; # if
# Save continuation.
$data->{ $section }->[ $last_idx ]->[ 1 ] .= $message;
next;
}; # if
$error->( $n, $line, "Message definition expected" );
}; # foreach
$data->{ "%meta" }->{ source } = $name;
foreach my $section ( @sections ) {
if ( not exists( $data->{ $section } ) ) {
$data->{ $section } = [];
}; # if
}; # foreach $section
foreach my $property ( @properties ) {
if ( not defined( $data->{ "%meta" }->{ $property } ) ) {
runtime_error(
"Error parsing $name: " .
"Required \"$property\" property is not specified"
);
}; # if
push( @{ $data->{ meta } }, [ $property, $data->{ "%meta" }->{ $property } ] );
}; # foreach
return $data;
}; # sub parse_source
sub generate_enum($$$) {
my ( $data, $file, $prefix ) = @_;
my $bulk = "";
$bulk =
_generate_comment( $data, "//", "//" ) .
"\n" .
"enum ${prefix}_id {\n\n" .
" // A special id for absence of message.\n" .
" ${prefix}_null = 0,\n\n";
foreach my $section ( @sections ) {
my $props = $sections->{ $section }; # Section properties.
my $short = $props->{ short }; # Short section name, frequently used.
$bulk .=
" // Set #$props->{ set }, $props->{ long }.\n" .
" ${prefix}_${short}_first = $props->{ base },\n";
foreach my $item ( @{ $data->{ $section } } ) {
my ( $ident, undef ) = @$item;
$bulk .= " ${prefix}_${short}_${ident},\n";
}; # foreach
$bulk .= " ${prefix}_${short}_last,\n\n";
}; # foreach $type
$bulk .= " ${prefix}_xxx_lastest\n\n";
$bulk .=
"}; // enum ${prefix}_id\n" .
"\n" .
"typedef enum ${prefix}_id ${prefix}_id_t;\n" .
"\n";
$bulk .=
"\n" .
"// end of file //\n";
write_file( $file, \$bulk );
}; # sub generate_enum
sub generate_signature($$) {
my ( $data, $file ) = @_;
my $bulk = "";
$bulk .= "// message catalog signature file //\n\n";
foreach my $section ( @sections ) {
my $props = $sections->{ $section }; # Section properties.
my $short = $props->{ short }; # Short section name, frequently used.
$bulk .= "-*- " . uc( $props->{ long } ) . "-*-\n\n";
foreach my $item ( @{ $data->{ $section } } ) {
my ( $ident, $msg ) = @$item;
$bulk .= sprintf( "%-40s %s\n", $ident, msg2sgn( $msg ) );
}; # foreach
$bulk .= "\n";
}; # foreach $type
$bulk .= "// end of file //\n";
write_file( $file, \$bulk );
}; # sub generate_signature
sub generate_default($$$) {
my ( $data, $file, $prefix ) = @_;
my $bulk = "";
$bulk .=
_generate_comment( $data, "//", "//" ) .
"\n";
foreach my $section ( @sections ) {
$bulk .=
"static char const *\n" .
"__${prefix}_default_${section}" . "[] =\n" .
" {\n" .
" NULL,\n";
foreach my $item ( @{ $data->{ $section } } ) {
my ( undef, $msg ) = @$item;
$bulk .= " \"" . msg2src( $msg ) . "\",\n";
}; # while
$bulk .=
" NULL\n" .
" };\n" .
"\n";
}; # foreach $type
$bulk .=
"struct kmp_i18n_section {\n" .
" int size;\n" .
" char const ** str;\n" .
"}; // struct kmp_i18n_section\n" .
"typedef struct kmp_i18n_section kmp_i18n_section_t;\n" .
"\n" .
"static kmp_i18n_section_t\n" .
"__${prefix}_sections[] =\n" .
" {\n" .
" { 0, NULL },\n";
foreach my $section ( @sections ) {
$bulk .=
" { " . @{ $data->{ $section } } . ", __${prefix}_default_${section} },\n";
}; # foreach $type
$bulk .=
" { 0, NULL }\n" .
" };\n" .
"\n";
$bulk .=
"struct kmp_i18n_table {\n" .
" int size;\n" .
" kmp_i18n_section_t * sect;\n" .
"}; // struct kmp_i18n_table\n" .
"typedef struct kmp_i18n_table kmp_i18n_table_t;\n" .
"\n" .
"static kmp_i18n_table_t __kmp_i18n_default_table =\n" .
" {\n" .
" " . @sections . ",\n" .
" __kmp_i18n_sections\n" .
" };\n" .
"\n" .
"// end of file //\n";
write_file( $file, \$bulk );
}; # sub generate_default
sub generate_message_unix($$) {
my ( $data, $file ) = @_;
my $bulk = "";
$bulk .=
_generate_comment( $data, "\$", "\$" ) .
"\n" .
"\$quote \"\n\n";
foreach my $section ( @sections ) {
$bulk .=
"\$ " . ( "-" x 78 ) . "\n\$ $section\n\$ " . ( "-" x 78 ) . "\n\n" .
"\$set $sections->{ $section }->{ set }\n" .
"\n";
my $n = 0;
foreach my $item ( @{ $data->{ $section } } ) {
my ( undef, $msg ) = @$item;
++ $n;
$bulk .= "$n \"" . msg2src( $msg ) . "\"\n";
}; # foreach
$bulk .= "\n";
}; # foreach $type
$bulk .=
"\n" .
"\$ end of file \$\n";
write_file( $file, \$bulk, -layer => ":utf8" );
}; # sub generate_message_linux
sub generate_message_windows($$) {
my ( $data, $file ) = @_;
my $bulk = "";
my $language = $data->{ "%meta" }->{ Language };
my $langid = $data->{ "%meta" }->{ LangId };
$bulk .=
_generate_comment( $data, ";", ";" ) .
"\n" .
"LanguageNames = ($language=$langid:msg_$langid)\n" .
"\n";
$bulk .=
"FacilityNames=(\n";
foreach my $section ( @sections ) {
my $props = $sections->{ $section }; # Section properties.
$bulk .=
" $props->{ short }=" . $props->{ set } ."\n";
}; # foreach $section
$bulk .=
")\n\n";
foreach my $section ( @sections ) {
my $short = $sections->{ $section }->{ short };
my $n = 0;
foreach my $item ( @{ $data->{ $section } } ) {
my ( undef, $msg ) = @$item;
++ $n;
$bulk .=
"MessageId=$n\n" .
"Facility=$short\n" .
"Language=$language\n" .
msg2mc( $msg ) . "\n.\n\n";
}; # foreach $item
}; # foreach $section
$bulk .=
"\n" .
"; end of file ;\n";
$bulk = encode( "UTF-16LE", $bulk ); # Convert text to UTF-16LE used in Windows* OS.
write_file( $file, \$bulk, -binary => 1 );
}; # sub generate_message_windows
#
# Parse command line.
#
my $input_file;
my $enum_file;
my $signature_file;
my $default_file;
my $message_file;
my $id;
my $prefix = "";
get_options(
"os=s" => \$target_os,
"enum-file=s" => \$enum_file,
"signature-file=s" => \$signature_file,
"default-file=s" => \$default_file,
"message-file=s" => \$message_file,
"id|lang-id" => \$id,
"prefix=s" => \$prefix,
);
if ( @ARGV == 0 ) {
cmdline_error( "No source file specified -- nothing to do" );
}; # if
if ( @ARGV > 1 ) {
cmdline_error( "Too many source files specified" );
}; # if
$input_file = $ARGV[ 0 ];
my $generate_message;
if ( $target_os =~ m{\A(?:lin|mac)\z} ) {
$generate_message = \&generate_message_unix;
} elsif ( $target_os eq "win" ) {
$generate_message = \&generate_message_windows;
} else {
runtime_error( "OS \"$target_os\" is not supported" );
}; # if
#
# Do the work.
#
my $data = parse_source( $input_file );
if ( defined( $id ) ) {
print( $data->{ "%meta" }->{ LangId }, "\n" );
}; # if
if ( defined( $enum_file ) ) {
generate_enum( $data, $enum_file, $prefix );
}; # if
if ( defined( $signature_file ) ) {
generate_signature( $data, $signature_file );
}; # if
if ( defined( $default_file ) ) {
generate_default( $data, $default_file, $prefix );
}; # if
if ( defined( $message_file ) ) {
$generate_message->( $data, $message_file );
}; # if
exit( 0 );
__END__
=pod
=head1 NAME
B<message-converter.pl> -- Convert message catalog source file into another text forms.
=head1 SYNOPSIS
B<message-converter.pl> I<option>... <file>
=head1 OPTIONS
=over
=item B<--enum-file=>I<file>
Generate enum file named I<file>.
=item B<--default-file=>I<file>
Generate default messages file named I<file>.
=item B<--lang-id>
Print language identifier of the message catalog source file.
=item B<--message-file=>I<file>
Generate message file.
=item B<--signature-file=>I<file>
Generate signature file.
Signatures are used for checking compatibility. For example, to check a primary
catalog and its translation to another language, signatures of both catalogs should be generated
and compared. If signatures are identical, catalogs are compatible.
=item B<--prefix=>I<prefix>
Prefix to be used for all C identifiers (type and variable names) in enum and default messages
files.
=item B<--os=>I<str>
Specify OS name the message formats to be converted for. If not specified explicitly, value of
LIBOMP_OS environment variable is used. If LIBOMP_OS is not defined, host OS is detected.
Depending on OS, B<message-converter.pl> converts message formats to GNU style or MS style.
=item Standard Options
=over
=item B<--doc>
=item B<--manual>
Print full documentation and exit.
=item B<--help>
Print short help message and exit.
=item B<--version>
Print version string and exit.
=back
=back
=head1 ARGUMENTS
=over
=item I<file>
A name of input file.
=back
=head1 DESCRIPTION
=head2 Message Catalog File Format
It is plain text file in UTF-8 encoding. Empty lines and lines beginning with sharp sign (C<#>) are
ignored. EBNF syntax of content:
catalog = { section };
section = header body;
header = "-*- " section-id " -*-" "\n";
body = { message };
message = message-id string "\n" { string "\n" };
section-id = identifier;
message-id = "OBSOLETE" | identifier;
identifier = letter { letter | digit | "_" };
string = """ { character } """;
Identifier starts with letter, with following letters, digits, and underscores. Identifiers are
case-sensitive. Setion identifiers are fixed: C<META>, C<STRINGS>, C<FORMATS>, C<MESSAGES> and
C<HINTS>. Message identifiers must be unique within section. Special C<OBSOLETE> pseudo-identifier
may be used many times.
String is a C string literal which must not cross line boundaries.
Long messages may occupy multiple lines, a string per line.
Message may include printf-like GNU-style placeholders for arguments: C<%I<n>$I<t>>,
where I<n> is argument number (C<1>, C<2>, ...),
I<t> -- argument type, C<s> (string) or C<d> (32-bit integer).
See also comments in F<i18n/en_US.txt>.
=head2 Output Files
This script can generate 3 different text files from single source:
=over
=item Enum file.
Enum file is a C include file, containing definitions of message identifiers, e. g.:
enum kmp_i18n_id {
// Set #1, meta.
kmp_i18n_prp_first = 65536,
kmp_i18n_prp_Language,
kmp_i18n_prp_Country,
kmp_i18n_prp_LangId,
kmp_i18n_prp_Version,
kmp_i18n_prp_Revision,
kmp_i18n_prp_last,
// Set #2, strings.
kmp_i18n_str_first = 131072,
kmp_i18n_str_Error,
kmp_i18n_str_UnknownFile,
kmp_i18n_str_NotANumber,
...
// Set #3, formats.
...
kmp_i18n_xxx_lastest
}; // enum kmp_i18n_id
typedef enum kmp_i18n_id kmp_i18n_id_t;
=item Default messages file.
Default messages file is a C include file containing default messages to be embedded into
application (and used if external message catalog does not exist or could not be open):
static char const *
__kmp_i18n_default_meta[] =
{
NULL,
"English",
"USA",
"1033",
"2",
"20090806",
NULL
};
static char const *
__kmp_i18n_default_strings[] =
{
"Error",
"(unknown file)",
"not a number",
...
NULL
};
...
=item Message file.
Message file is an input for message compiler, F<gencat> on Linux* OS and OS X*, or F<mc.exe> on
Windows* OS.
Here is the example of Linux* OS message file:
$quote "
1 "Japanese"
2 "Japan"
3 "1041"
4 "2"
5 "Based on English message catalog revision 20090806"
...
Example of Windows* OS message file:
LanguageNames = (Japanese=10041:msg_1041)
FacilityNames = (
prp=1
str=2
fmt=3
...
)
MessageId=1
Facility=prp
Language=Japanese
Japanese
.
...
=item Signature.
Signature is a processed source file: comments stripped, strings deleted, but placeholders kept and
sorted.
-*- FORMATS-*-
Info %1$d %2$s
Warning %1$d %2$s
Fatal %1$d %2$s
SysErr %1$d %2$s
Hint %1$- %2$s
Pragma %1$s %2$s %3$s %4$s
The purpose of signatures -- compare two message source files for compatibility. If signatures of
two message sources are the same, binary message catalogs will be compatible.
=back
=head1 EXAMPLES
Generate include file containing message identifiers:
$ message-converter.pl --enum-file=kmp_i18n_id.inc en_US.txt
Generate include file contating default messages:
$ message-converter.pl --default-file=kmp_i18n_default.inc en_US.txt
Generate input file for message compiler, Linux* OS example:
$ message-converter.pl --message-file=ru_RU.UTF-8.msg ru_RU.txt
Generate input file for message compiler, Windows* OS example:
> message-converter.pl --message-file=ru_RU.UTF-8.mc ru_RU.txt
=cut
# end of file #