}
unless ($debug) {
- open(BODY,">/tmp/sperl$$") ||
+ open(BODY,"+>/tmp/sperl$$") ||
&Die("Can't open temp file: $!\n");
}
EOT
}
-close BODY;
-
unless ($debug) {
- open(HEAD,">/tmp/sperl2$$.c")
- || &Die("Can't open temp file 2: $!\n");
- print HEAD "#define PRINTIT\n" if $printit;
- print HEAD "#define APPENDSEEN\n" if $appendseen;
- print HEAD "#define TSEEN\n" if $tseen;
- print HEAD "#define DSEEN\n" if $dseen;
- print HEAD "#define ASSUMEN\n" if $assumen;
- print HEAD "#define ASSUMEP\n" if $assumep;
- print HEAD "#define TOPLABEL\n" if $toplabel;
- print HEAD "#define SAWNEXT\n" if $sawnext;
- if ($opens) {print HEAD "$opens\n";}
- open(BODY,"/tmp/sperl$$")
- || &Die("Can't reopen temp file: $!\n");
- while (<BODY>) {
- print HEAD $_;
- }
- close HEAD;
print &q(<<"EOT");
: $startperl
: if \$running_under_some_shell;
:
EOT
- open(BODY,"cc -E /tmp/sperl2$$.c |") ||
- &Die("Can't reopen temp file: $!\n");
+ print"$opens\n" if $opens;
+ seek(BODY, 0, 0) || die "Can't rewind temp file: $!\n";
while (<BODY>) {
- /^# [0-9]/ && next;
/^[ \t]*$/ && next;
+ /^#ifdef (\w+)/ && ((${lc $1} || &skip), next);
+ /^#else/ && (&skip, next);
+ /^#endif/ && next;
s/^<><>//;
print;
}
exit;
sub Cleanup {
- chdir "/tmp";
- unlink "sperl$$", "sperl2$$", "sperl2$$.c";
+ unlink "/tmp/sperl$$";
}
sub Die {
&Cleanup;
$repl = substr($_, $repl+1, $end-$repl-1);
$end = substr($_, $end + 1, 1000);
&simplify($pat);
- $dol = '$';
$subst = "$pat$repl$delim";
$cmd = '';
while ($end) {
$_[0] =~ s/([\w\s!@#%^&-=,:;'"])\1\*/$1+/g;
}
+sub skip {
+ local($level) = 0;
+
+ while(<BODY>) {
+ /^#ifdef/ && $level++;
+ /^#else/ && !$level && return;
+ /^#endif/ && !$level-- && return;
+ }
+
+ die "Unterminated `#ifdef' conditional\n";
+}
!NO!SUBS!
close OUT or die "Can't close $file: $!";