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#!/usr/bin/perl
# Copyright (C) 2016 and later: Unicode, Inc. and others.
# License & terms of use: http://www.unicode.org/copyright.html
#*
#*******************************************************************************
#* Copyright (C) 2001-2012, International Business Machines
#* Corporation and others. All Rights Reserved.
#*******************************************************************************
#*
#* file name: genren.pl
#* encoding: UTF-8
#* tab size: 8 (not used)
#* indentation:4
#*
#* Created by: Vladimir Weinstein
#* 07/19/2001
#*
#* Used to generate renaming headers.
#* Run on UNIX platforms (linux) in order to catch all the exports
use POSIX qw(strftime);
$headername = 'urename.h';
$path = substr($0, 0, rindex($0, "/")+1)."../../common/unicode/uversion.h";
$nmopts = '-Cg -f s';
$post = '';
$mode = 'POSIX';
(-e $path) || die "Cannot find uversion.h";
open(UVERSION, $path);
while(<UVERSION>) {
if(/\#define U_ICU_VERSION_SUFFIX/) {
chop;
s/\#define U_ICU_VERSION_SUFFIX //;
$U_ICU_VERSION_SUFFIX = "$_";
last;
}
}
while($ARGV[0] =~ /^-/) { # detects whether there are any arguments
$_ = shift @ARGV; # extracts the argument for processing
/^-v/ && ($VERBOSE++, next); # verbose
/^-h/ && (&printHelpMsgAndExit, next); # help
/^-o/ && (($headername = shift (@ARGV)), next); # output file
/^-n/ && (($nmopts = shift (@ARGV)), next); # nm opts
/^-p/ && (($post = shift (@ARGV)), next); # nm opts
/^-x/ && (($mode = shift (@ARGV)), next); # nm opts
/^-S/ && (($U_ICU_VERSION_SUFFIX = shift(@ARGV)), next); # pick the suffix
warn("Invalid option $_\n");
&printHelpMsgAndExit;
}
unless(@ARGV > 0) {
warn "No libraries, exiting...\n";
&printHelpMsgAndExit;
}
#$headername = "uren".substr($ARGV[0], 6, index(".", $ARGV[0])-7).".h";
$HEADERDEF = uc($headername); # this is building the constant for #define
$HEADERDEF =~ s/\./_/;
open HEADER, ">$headername"; # opening a header file
#We will print our copyright here + warnings
print HEADER <<"EndOfHeaderComment";
// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2002-2016, International Business Machines
* Corporation and others. All Rights Reserved.
*******************************************************************************
*
* file name: $headername
* encoding: UTF-8
* tab size: 8 (not used)
* indentation:4
*
* Created by: Perl script tools/genren.pl written by Vladimir Weinstein
*
* Contains data for renaming ICU exports.
* Gets included by umachine.h
*
* THIS FILE IS MACHINE-GENERATED, DON'T PLAY WITH IT IF YOU DON'T KNOW WHAT
* YOU ARE DOING, OTHERWISE VERY BAD THINGS WILL HAPPEN!
*/
#ifndef $HEADERDEF
#define $HEADERDEF
/* U_DISABLE_RENAMING can be defined in the following ways:
* - when running configure, e.g.
* runConfigureICU Linux --disable-renaming
* - by changing the default setting of U_DISABLE_RENAMING in uconfig.h
*/
#include "unicode/uconfig.h"
#if !U_DISABLE_RENAMING
// Disable Renaming for Visual Studio's IntelliSense feature, so that 'Go-to-Definition' (F12) will work.
#if !(defined(_MSC_VER) && defined(__INTELLISENSE__))
/* We need the U_ICU_ENTRY_POINT_RENAME definition. There's a default one in unicode/uvernum.h we can use, but we will give
the platform a chance to define it first.
Normally (if utypes.h or umachine.h was included first) this will not be necessary as it will already be defined.
*/
#ifndef U_ICU_ENTRY_POINT_RENAME
#include "unicode/umachine.h"
#endif
/* If we still don't have U_ICU_ENTRY_POINT_RENAME use the default. */
#ifndef U_ICU_ENTRY_POINT_RENAME
#include "unicode/uvernum.h"
#endif
/* Error out before the following defines cause very strange and unexpected code breakage */
#ifndef U_ICU_ENTRY_POINT_RENAME
#error U_ICU_ENTRY_POINT_RENAME is not defined - cannot continue. Consider defining U_DISABLE_RENAMING if renaming should not be used.
#endif
EndOfHeaderComment
$fileCount = 0;
$itemCount = 0;
$symbolCount = 0;
for(;@ARGV; shift(@ARGV)) {
$fileCount++;
@NMRESULT = `nm $nmopts $ARGV[0] $post`;
if($?) {
warn "Couldn't do 'nm' for $ARGV[0], continuing...\n";
next; # Couldn't do nm for the file
}
if($mode =~ /POSIX/) {
splice @NMRESULT, 0, 6;
} elsif ($mode =~ /Mach-O/) {
# splice @NMRESULT, 0, 10;
}
foreach (@NMRESULT) { # Process every line of result and stuff it in $_
$itemCount++;
if($mode =~ /POSIX/) {
&verbose(" $_");
($_, $address, $type) = split(/\|/);
chop $qtype;
} elsif ($mode =~ /Mach-O/) {
($address, $type, $_) = split(/ /);
if(/^_(.*)$/) {
$_ = $1;
} else {
next;
}
} else {
die "Unknown mode $mode";
}
&verbose( "type: \"$type\" ");
if(!($type =~ /[UAwW?]/)) {
if(/@@/) { # These would be imports
&verbose( "Import: $_ \"$type\"\n");
&verbose( "C++ method: $_\n");
} elsif (/^[^\(]*::/) { # C++ methods, stuff class name in associative array
## DON'T match ... ( foo::bar ... want :: to be to the left of paren
## icu::CharString::~CharString(void) -> CharString
@CppName = split(/::/); ## remove scope stuff
if(@CppName>1) {
## MessageFormat virtual table -> MessageFormat
if(! ($CppName[0] =~ /icu/ )) {
# *** WARNING Bad namespace (not 'icu') on ShoeSize::ShoeSize()
warn "*** WARNING Bad namespace (not 'icu') on $_\n";
next;
}
&verbose ( "(Chopping scope $CppName[0] )");
@CppName = split(/ /, $CppName[1]); ## remove debug stuff
}
## ures_getUnicodeStringByIndex(UResourceBundle -> ures_getUnicodeStringByIndex
@CppName = split(/\(/, $CppName[0]); ## remove function args
if($CppName[0] =~ /^operator/) {
&verbose ("Skipping C++ function: $_\n");
} elsif($CppName[0] =~ /^~/) {
&verbose ("Skipping C++ destructor: $_\n");
} else {
&verbose( "Skipping C++ class: '$CppName[0]': $_ \n");
# $CppClasses{$CppName[0]}++;
# $symbolCount++;
}
} elsif ( my ($cfn) = m/^([A-Za-z0-9_]*)\(.*/ ) {
&verbose ( "$ARGV[0]: got global C++ function $cfn with '$_'\n" );
$CFuncs{$cfn}++;
$symbolCount++;
} elsif ( /\(/) { # These are strange functions
print STDERR "$ARGV[0]: Not sure what to do with '$_'\n";
} elsif ( /^_init/ ) {
&verbose( "$ARGV[0]: Skipped initializer $_\n" );
} elsif ( /^_fini/ ) {
&verbose( "$ARGV[0]: Skipped finilizer $_\n" );
} elsif ( /icu_/) {
print STDERR "$ARGV[0]: Skipped strange mangled function $_\n";
} elsif ( /^vtable for /) {
print STDERR "$ARGV[0]: Skipped vtable $_\n";
} elsif ( /^typeinfo/) {
print STDERR "$ARGV[0]: Skipped typeinfo $_\n";
} elsif ( /operator\+/ ) {
print STDERR "$ARGV[0]: Skipped ignored function $_\n";
} else { # This is regular C function
&verbose( "C func: $_\n");
@funcname = split(/[\(\s+]/);
$CFuncs{$funcname[0]}++;
$symbolCount++;
}
} else {
&verbose( "Skipped: $_ $1\n");
}
}
}
if( $fileCount == 0 ) {
die "Error: $itemCount lines from $fileCount files processed, but $symbolCount symbols were found.\n";
}
if( $symbolCount == 0 ) {
die "Error: $itemCount lines from $fileCount files processed, but $symbolCount symbols were found.\n";
}
print " Loaded $symbolCount symbols from $itemCount lines in $fileCount files.\n";
print HEADER "\n/* C exports renaming data */\n\n";
foreach(sort keys(%CFuncs)) {
print HEADER "#define $_ U_ICU_ENTRY_POINT_RENAME($_)\n";
# print HEADER "#define $_ $_$U_ICU_VERSION_SUFFIX\n";
}
print HEADER <<"EndOfHeaderFooter";
#endif /* !(defined(_MSC_VER) && defined(__INTELLISENSE__)) */
#endif /* U_DISABLE_RENAMING */
#endif /* URENAME_H */
EndOfHeaderFooter
close HEADER;
sub verbose {
if($VERBOSE) {
print STDERR @_;
}
}
sub printHelpMsgAndExit {
print STDERR <<"EndHelpText";
Usage: $0 [OPTIONS] LIBRARY_FILES
Options:
-v - verbose
-h - help
-o - output file name (defaults to 'urename.h'
-S - suffix (defaults to _MAJOR_MINOR of current ICU version)
Will produce a renaming .h file
EndHelpText
exit 0;
}
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