Home | History | Annotate | Download | only in genren 
      1 #!/usr/bin/perl 
      2 #*
      3 #*******************************************************************************
      4 #*   Copyright (C) 2001-2009, International Business Machines
      5 #*   Corporation and others.  All Rights Reserved.
      6 #*******************************************************************************
      7 #*
      8 #*   file name:  genren.pl
      9 #*   encoding:   US-ASCII
     10 #*   tab size:   8 (not used)
     11 #*   indentation:4
     12 #*
     13 #*   Created by: Vladimir Weinstein
     14 #*   07/19/2001
     15 #*
     16 #*  Used to generate renaming headers.
     17 #*  Run on UNIX platforms (linux) in order to catch all the exports
     18 
     19 use POSIX qw(strftime);
     20 
     21 $headername = 'urename.h';
     22 
     23 $path = substr($0, 0, rindex($0, "/")+1)."../../common/unicode/uversion.h";
     24 
     25 $nmopts = '-Cg -f s';
     26 $post = '';
     27 
     28 $mode = 'LINUX';
     29 
     30 (-e $path) || die "Cannot find uversion.h";
     31 
     32 open(UVERSION, $path);
     33 
     34 while(<UVERSION>) {
     35     if(/\#define U_ICU_VERSION_SUFFIX/) {
     36         chop;
     37         s/\#define U_ICU_VERSION_SUFFIX //;
     38         $U_ICU_VERSION_SUFFIX = "$_";
     39         last;
     40     }
     41 }
     42 
     43 while($ARGV[0] =~ /^-/) { # detects whether there are any arguments
     44     $_ = shift @ARGV;      # extracts the argument for processing
     45     /^-v/ && ($VERBOSE++, next);                      # verbose
     46     /^-h/ && (&printHelpMsgAndExit, next);               # help
     47     /^-o/ && (($headername = shift (@ARGV)), next);   # output file
     48     /^-n/ && (($nmopts = shift (@ARGV)), next);   # nm opts
     49     /^-p/ && (($post = shift (@ARGV)), next);   # nm opts
     50     /^-x/ && (($mode = shift (@ARGV)), next);   # nm opts
     51     /^-S/ && (($U_ICU_VERSION_SUFFIX = shift(@ARGV)), next); # pick the suffix
     52     warn("Invalid option $_\n");
     53     &printHelpMsgAndExit;
     54 }
     55 
     56 unless(@ARGV > 0) {
     57     warn "No libraries, exiting...\n";
     58     &printHelpMsgAndExit;
     59 }
     60 
     61 #$headername = "uren".substr($ARGV[0], 6, index(".", $ARGV[0])-7).".h";
     62     
     63 $HEADERDEF = uc($headername);  # this is building the constant for #define
     64 $HEADERDEF =~ s/\./_/;
     65 
     66     
     67     open HEADER, ">$headername"; # opening a header file
     68 
     69 #We will print our copyright here + warnings
     70 
     71 
     72 $YEAR = strftime "%Y",localtime;
     73 
     74 print HEADER <<"EndOfHeaderComment";
     75 /*
     76 *******************************************************************************
     77 *   Copyright (C) 2002-$YEAR, International Business Machines
     78 *   Corporation and others.  All Rights Reserved.
     79 *******************************************************************************
     80 *
     81 *   file name:  $headername
     82 *   encoding:   US-ASCII
     83 *   tab size:   8 (not used)
     84 *   indentation:4
     85 *
     86 *   Created by: Perl script written by Vladimir Weinstein
     87 *
     88 *  Contains data for renaming ICU exports.
     89 *  Gets included by umachine.h
     90 *
     91 *  THIS FILE IS MACHINE-GENERATED, DON'T PLAY WITH IT IF YOU DON'T KNOW WHAT
     92 *  YOU ARE DOING, OTHERWISE VERY BAD THINGS WILL HAPPEN!
     93 */
     94 
     95 #ifndef $HEADERDEF
     96 #define $HEADERDEF
     97 
     98 /* Uncomment the following line to disable renaming on platforms
     99    that do not use Autoconf. */
    100 /* #define U_DISABLE_RENAMING 1 */
    101 
    102 #if !U_DISABLE_RENAMING
    103 EndOfHeaderComment
    104 
    105 for(;@ARGV; shift(@ARGV)) {
    106     @NMRESULT = `nm $nmopts $ARGV[0] $post`;
    107     if($?) {
    108         warn "Couldn't do 'nm' for $ARGV[0], continuing...\n";
    109         next; # Couldn't do nm for the file
    110     }
    111     if($mode =~ /POSIX/) {
    112         splice @NMRESULT, 0, 6;
    113     } elsif ($mode =~ /Mach-O/) {
    114 #        splice @NMRESULT, 0, 10;
    115     }
    116     foreach (@NMRESULT) { # Process every line of result and stuff it in $_
    117         if($mode =~ /POSIX/) {
    118             ($_, $address, $type) = split(/\|/);
    119         } elsif ($mode =~ /Mach-O/) {
    120             if(/^(?:[0-9a-fA-F]){8} ([A-Z]) (?:_)?(.*)$/) {
    121                 ($_, $type) = ($2, $1);
    122             } else {
    123                 next;
    124             }
    125         } else {
    126             die "Unknown mode $mode";
    127         }
    128         &verbose( "type: \"$type\" ");
    129         if(!($type =~ /[UAwW?]/)) {
    130             if(/@@/) { # These would be imports
    131                 &verbose( "Import: $_ \"$type\"\n");
    132             } elsif (/::/) { # C++ methods, stuff class name in associative array
    133                 &verbose( "C++ method: $_\n");
    134                 ## icu_2_0::CharString::~CharString(void) -> CharString
    135                 @CppName = split(/::/); ## remove scope stuff
    136                 if(@CppName>1) {
    137                     ## MessageFormat virtual table -> MessageFormat
    138                     @CppName = split(/ /, $CppName[1]); ## remove debug stuff
    139                 }
    140                 ## ures_getUnicodeStringByIndex(UResourceBundle -> ures_getUnicodeStringByIndex
    141                 @CppName = split(/\(/, $CppName[0]); ## remove function args
    142                 if($CppName[0] =~ /^operator/) {
    143                     &verbose ("Skipping C++ function: $_\n");
    144                 } elsif($CppName[0] =~ /^~/) {
    145                     &verbose ("Skipping C++ destructor: $_\n");
    146                 } else {
    147                     $CppClasses{$CppName[0]}++;
    148                 }
    149             } elsif ( /\(/) { # These are strange functions
    150                 print STDERR "$_\n";
    151             } elsif ( /icu_/) {
    152                 print STDERR "Skipped strange mangled function $_\n";
    153             } elsif ( /^vtable for /) {
    154                 print STDERR "Skipped vtable $_\n";
    155             } elsif ( /^typeinfo for /) {
    156                 print STDERR "Skipped typeinfo $_\n";
    157             } elsif ( /operator\+/ ) {
    158                 print STDERR "Skipped ignored function $_\n";
    159             } else { # This is regular C function 
    160                 &verbose( "C func: $_\n");
    161                 @funcname = split(/[\(\s+]/);
    162                 $CFuncs{$funcname[0]}++;
    163             }
    164         } else {
    165             &verbose( "Skipped: $_ $1\n");
    166         }
    167     }
    168 }
    169 
    170 print HEADER "\n/* C exports renaming data */\n\n";
    171 foreach(sort keys(%CFuncs)) {
    172     print HEADER "#define $_ $_$U_ICU_VERSION_SUFFIX\n";
    173 }
    174 
    175 print HEADER "/* C++ class names renaming defines */\n\n";
    176 print HEADER "#ifdef XP_CPLUSPLUS\n";
    177 print HEADER "#if !U_HAVE_NAMESPACE\n\n";
    178 foreach(sort keys(%CppClasses)) {
    179     print HEADER "#define $_ $_$U_ICU_VERSION_SUFFIX\n";
    180 }
    181 print HEADER "\n#endif\n";
    182 print HEADER "#endif\n";
    183 print HEADER "\n#endif\n";
    184 print HEADER "\n#endif\n";
    185 
    186 close HEADER;
    187 
    188 sub verbose {
    189     if($VERBOSE) {
    190         print STDERR @_;
    191     }
    192 }
    193 
    194 
    195 sub printHelpMsgAndExit {
    196     print STDERR <<"EndHelpText";
    197 Usage: $0 [OPTIONS] LIBRARY_FILES
    198   Options: 
    199     -v - verbose
    200     -h - help
    201     -o - output file name (defaults to 'urename.h'
    202     -S - suffix (defaults to _MAJOR_MINOR of current ICU version)
    203 Will produce a renaming .h file
    204 
    205 EndHelpText
    206 
    207     exit 0;
    208 
    209 }
    210 
    211