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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [libiberty/] [maint-tool] - Blame information for rev 304

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Line No. Rev Author Line
1 274 jeremybenn
#!/usr/bin/perl
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# -*- perl -*-
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#   Copyright (C) 2001, 2007
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#   Free Software Foundation
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#
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# This file is part of the libiberty library.
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# Libiberty is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Library General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# Libiberty is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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# Library General Public License for more details.
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#
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# You should have received a copy of the GNU Library General Public
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# License along with libiberty; see the file COPYING.LIB.  If not,
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# write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
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# Boston, MA 02110-1301, USA.
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#
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# Originally written by DJ Delorie 
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# This is a trivial script which checks the lists of C and O files in
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# the Makefile for consistency.
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$mode = shift;
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$srcdir = ".";
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if ($mode eq "-s") {
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    $srcdir = shift;
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    $mode = shift;
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}
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&missing() if $mode eq "missing";
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&undoc() if $mode eq "undoc";
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&deps() if $mode eq "deps";
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exit 0;
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format STDOUT =
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^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<~
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$out
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        ^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<~~
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$out
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.
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######################################################################
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sub missing {
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    opendir(S, $srcdir);
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    while ($f = readdir S) {
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        $have{$f} = 1;
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    }
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    closedir(S);
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    opendir(S, ".");
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    while ($f = readdir S) {
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        $have{$f} = 1;
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    }
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    closedir(S);
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    for $a (@ARGV) {
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        $listed{$a} = 1;
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        $have{$a} = 0;
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    }
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    for $f (sort keys %have) {
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        next unless $have{$f};
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        if ($f =~ /\.c$/) {
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            print "S $f\n";
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        }
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    }
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    for $f (sort keys %listed) {
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        if ($f =~ /(.*)\.c$/) {
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            $base = $1;
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            if (! $listed{"$base.o"}) {
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                print "O $f\n";
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            }
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        }
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    }
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}
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######################################################################
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sub undoc {
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    opendir(S, $srcdir);
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    while ($file = readdir S) {
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        if ($file =~ /\.texi$/) {
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            open(T, "$srcdir/$file");
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            while () {
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                if (/^\@deftype[^\(]* ([^\s\(]+) *\(/) {
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                    $documented{$1} = 1;
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                }
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            }
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            close(T);
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        }
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        if ($file =~ /\.c$/) {
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            open(C, "$srcdir/$file");
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            while () {
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                if (/\@undocumented (\S+)/) {
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                    $documented{$1} = 1;
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                }
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                if (/^static /) {
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                    if (! /[\(;]/) {
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                        s/[\r\n]+$/ /;
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                        $_ .= ;
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                    }
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                    while ($_ =~ /\([^\)]*$/) {
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                        s/[\r\n]+$/ /;
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                        $_ .= ;
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                    }
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                }
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                s/ VPARAMS([ \(])/$1/;
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                s/PREFIX\(([^\)]*)\)/byte_$1/;
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                if (/^static [^\(]* ([^\s\(]+) *\(.*\)$/) {
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                    $documented{$1} = 1;
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                }
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            }
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        }
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    }
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    closedir(D);
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127
    # $out = join(' ', sort keys %documented);
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    # write;
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    # print "\n";
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    system "etags $srcdir/*.c $srcdir/../include/*.h";
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    open(TAGS, "TAGS");
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    while () {
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        s/[\r\n]+$//;
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        if (/^\014$/) {
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            $filename = ;
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            $filename =~ s/[\r\n]+$//;
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            $filename =~ s/,\d+$//;
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            $filename =~ s@.*[/\\]@@;
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            next;
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        }
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        if ($filename =~ /\.c$/ ) {
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            next unless /^[_a-zA-Z]/;
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        } else {
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            next unless /^\# *define/;
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            s/\# *define *//;
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        }
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        s/ VPARAMS//;
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        s/ *\177.*//;
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        s/,$//;
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        s/DEFUN\(//;
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        s/\(//;
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        next if /^static /;
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        next if /\s/;
157
        next if /^_/;
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        next if $documented{$_};
159
        next if /_H_?$/;
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161
        if ($seen_in{$_} ne $filename) {
162
            $saw{$_} ++;
163
        }
164
        $seen_in{$_} = $filename;
165
    }
166
 
167
    for $k (keys %saw) {
168
        delete $saw{$k} if $saw{$k} > 1;
169
    }
170
 
171
    for $k (sort keys %saw) {
172
        $fromfile{$seen_in{$k}} .= " " if $fromfile{$seen_in{$k}};
173
        $fromfile{$seen_in{$k}} .= $k;
174
    }
175
 
176
    for $f (sort keys %fromfile) {
177
        $out = "$f: $fromfile{$f}";
178
        write;
179
    }
180
}
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182
######################################################################
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184
sub deps_for {
185
    my($f) = @_;
186
    my(%d);
187
    open(F, $f);
188
    %d = ();
189
    while () {
190
        if (/^#\s*include\s+["<](.*)[">]/) {
191
            $d{$1} = 1;
192
        }
193
    }
194
    close(F);
195
    return keys %d;
196
}
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198
sub canonicalize {
199
    my ($p) = @_;
200
 
201
 
202
 
203
    return $p;
204
}
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206
sub locals_first {
207
    my ($a,$b) = @_;
208
    return -1 if $a eq "config.h";
209
    return  1 if $b eq "config.h";
210
    return $a cmp $b;
211
}
212
 
213
sub deps {
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215
    $crule  = "\tif [ x\"\$(PICFLAG)\" != x ]; then \\\n";
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    $crule .= "\t  \$(COMPILE.c) \$(PICFLAG) \$< -o pic/\$@; \\\n";
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    $crule .= "\telse true; fi\n";
218
    $crule .= "\t\$(COMPILE.c) \$< \$(OUTPUT_OPTION)\n";
219
    $crule .= "\n";
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221
    $incdir = shift @ARGV;
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223
    opendir(INC, $incdir);
224
    while ($f = readdir INC) {
225
        next unless $f =~ /\.h$/;
226
        $mine{$f} = "\$(INCDIR)/$f";
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        $deps{$f} = join(' ', &deps_for("$incdir/$f"));
228
    }
229
    $mine{'config.h'} = "config.h";
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231
    opendir(INC, $srcdir);
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    while ($f = readdir INC) {
233
        next unless $f =~ /\.h$/;
234
        $mine{$f} = "\$(srcdir)/$f";
235
        $deps{$f} = join(' ', &deps_for("$srcdir/$f"));
236
    }
237
    $mine{'config.h'} = "config.h";
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239
    open(IN, "$srcdir/Makefile.in");
240
    open(OUT, ">$srcdir/Makefile.tmp");
241
    while () {
242
        last if /remainder of this file/;
243
        print OUT;
244
    }
245
    print OUT "# The dependencies in the remainder of this file are automatically\n";
246
    print OUT "# generated by \"make maint-deps\".  Manual edits will be lost.\n\n";
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248
    opendir(S, $srcdir);
249
    for $f (sort readdir S) {
250
        if ($f =~ /\.c$/) {
251
 
252
            %scanned = ();
253
            @pending = &deps_for("$srcdir/$f");
254
            while (@pending) {
255
                @tmp = @pending;
256
                @pending = ();
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                for $p (@tmp) {
258
                    next unless $mine{$p};
259
                    if (!$scanned{$p}) {
260
                        push(@pending, split(' ', $deps{$p}));
261
                        $scanned{$p} = 1;
262
                    }
263
                }
264
            }
265
            @deps = sort { &locals_first($a,$b) } keys %scanned;
266
            $obj = $f;
267
            $obj =~ s/\.c$/.o/;
268
            $obj = "./$obj:";
269
            if ($#deps >= 0) {
270
                print OUT "$obj \$(srcdir)/$f";
271
                $len = length("$obj $f");
272
                for $dt (@deps) {
273
                    $d = $mine{$dt};
274
                    if ($len + length($d) > 70) {
275
                        printf OUT " \\\n\t$d";
276
                        $len = 8 + length($d);
277
                    } else {
278
                        print OUT " $d";
279
                        $len += length($d) + 1;
280
                    }
281
                }
282
                print OUT "\n";
283
            } else {
284
                print OUT "$obj \$(srcdir)/$f\n";
285
            }
286
            $c = $crule;
287
            $c =~ s@\$\<@\$\(srcdir\)\/$f@g;
288
            print OUT $c;
289
        }
290
    }
291
    closedir(S);
292
    close(IN);
293
    close(OUT);
294
 
295
    rename("$srcdir/Makefile.tmp", "$srcdir/Makefile.in");
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}

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