# (i.e. /Define=DEBUGGING,EMBED,MULTIPLICITY)?
#
# Author: Charles Bailey bailey@genetics.upenn.edu
-# Revised: 28-May-1995
+# Revised: 20-Feb-1996
require 5.000;
$debug = $ENV{'GEN_SHRFLS_DEBUG'};
+
+if ($ARGV[0] eq '-f') {
+ open(INP,$ARGV[1]) or die "Can't read input file $ARGV[1]: $!\n";
+ print "Input taken from file $ARGV[1]\n" if $debug;
+ @ARGV = ();
+ while (<INP>) {
+ chomp;
+ push(@ARGV,split(/\|/,$_));
+ }
+ close INP;
+ print "Read input data | ",join(' | ',@ARGV)," |\n" if $debug > 1;
+}
+
$cc_cmd = shift @ARGV;
# Someday, we'll have $GetSyI built into perl . . .
$isvaxc = 0;
$isgcc = `$cc_cmd _nla0:/Version` =~ /GNU/
or 0; # make debug output nice
- $isvaxc = (!$isgcc && $isvax && `$cc_cmd /ansi_alias _nla0:` =~ /IVQUAL/)
+ $isvaxc = (!$isgcc && $isvax && `$cc_cmd /prefix=all _nla0:` =~ /IVQUAL/)
or 0; # again, make debug output nice
print "\$isgcc: $isgcc\n" if $debug;
print "\$isvaxc: $isvaxc\n" if $debug;
else { die "$0: Can't find perl.h\n"; }
}
else {
- ($ccvers,$cpp_file) = ($cc_cmd =~ /^~~(\w+)~~(.*)/);
- $isgcc = $ccvers =~ /GCC/
+ ($junk,$junk,$cpp_file,$cc_cmd) = split(/~~/,$cc_cmd,4);
+ $isgcc = $cc_cmd =~ /case_hack/i
or 0; # for nice debug output
- $isvaxc = (!$isgcc && $ccvers =~ /VAXC/)
+ $isvaxc = (!$isgcc && $cc_cmd !~ /standard=/i)
or 0; # again, for nice debug output
print "\$isgcc: \\$isgcc\\\n" if $debug;
print "\$isvaxc: \\$isvaxc\\\n" if $debug;
$rtlopt = shift @ARGV;
print "\$rtlopt: \\$rtlopt\\\n" if $debug;
-# This part gets tricky. VAXC creates creating global symbols for the
+# This part gets tricky. VAXC creates global symbols for each of the
# constants in an enum if that enum is ever used as the data type of a
# global[dr]ef. We have to detect enums which are used in this way, so we
# can set up the constants as universal symbols, since anything which
$line =~ s/,?\s*\n?$//;
print "\tfiltered to \\$line\\\n" if $debug > 1;
if ($line =~ /(\w+)$/) {
- print "\tvar name is \\$1\\\n" if $debug > 1;
- $vars{$1}++;
+ print "\tconstant name is \\$1\\\n" if $debug > 1;
+ $enums{$1}++;
}
}
my($line) = @_;
print "\tchecking for global routine\n" if $debug > 1;
- if ( /(\w+)\s+\(/ ) {
+ if ( $line =~ /(\w+)\s+\(/ ) {
print "\troutine name is \\$1\\\n" if $debug > 1;
if ($1 eq 'main' || $1 eq 'perl_init_ext') {
print "\tskipped\n" if $debug > 1;
}
}
+$used_expectation_enum = $used_opcode_enum = 0; # avoid warnings
if ($docc) {
open(CPP,"${cc_cmd}/NoObj/PreProc=Sys\$Output ${dir}perl.h|")
or die "$0: Can't preprocess ${dir}perl.h: $!\n";
}
else {
- open(CPP,"$cpp_file") or die "$0: Can't read $cpp_file: $!\n";
+ open(CPP,"$cpp_file") or die "$0: Can't read preprocessed file $cpp_file: $!\n";
}
LINE: while (<CPP>) {
while (/^#.*vmsish\.h/i .. /^#.*perl\.h/i) {
while (/__VMS_PROTOTYPES__/i .. /__VMS_SEPYTOTORP__/i) {
print "vms_proto>> $_" if $debug > 2;
- &scan_func($_);
- if (/^EXT/) { &scan_var($_); }
+ if (/^EXT/) { &scan_var($_); }
+ else { &scan_func($_); }
last LINE unless $_ = <CPP>;
}
print "vmsish.h>> $_" if $debug > 2;
}
while (/^#.*proto\.h/i .. /^#.*perl\.h/i) {
print "proto.h>> $_" if $debug > 2;
- &scan_func($_);
- if (/^EXT/) { &scan_var($_); }
+ if (/^EXT/) { &scan_var($_); }
+ else { &scan_func($_); }
last LINE unless $_ = <CPP>;
}
print $_ if $debug > 3;
- if (/^EXT/) { &scan_var($_); }
+ if (($type) = /^EXT\s+(\w+)/) {
+ if ($isvaxc) {
+ if ($type eq 'expectation') {
+ $used_expectation_enum++;
+ print "\tsaw global use of enum \"expectation\"\n" if $debug > 1;
+ }
+ if ($type eq 'opcode') {
+ $used_opcode_enum++;
+ print "\tsaw global use of enum \"opcode\"\n" if $debug > 1;
+ }
+ }
+ &scan_var($_);
+ }
}
close CPP;
+
+
+# Kluge to determine whether we need to add EMBED prefix to
+# symbols read from local list. vmsreaddirversions() is a VMS-
+# specific function whose Perl_ prefix is added in vmsish.h
+# if EMBED is #defined.
+$embed = exists($fcns{'Perl_vmsreaddirversions'}) ? 'Perl_' : '';
while (<DATA>) {
next if /^#/;
s/\s+#.*\n//;
next if /^\s*$/;
($key,$array) = split('=',$_);
+ $key = "$embed$key";
print "Adding $key to \%$array list\n" if $debug > 1;
${$array}{$key}++;
}
print "Adding boot_$pkgname to \%fcns (for extension $_)\n" if $debug;
}
+# If we're using VAXC, fold in the names of the constants for enums
+# we've seen as the type of global vars.
+if ($isvaxc) {
+ foreach (keys %enums) {
+ if (/^OP/) {
+ $vars{$_}++ if $used_opcode_enum;
+ next;
+ }
+ if (/^X/) {
+ $vars{$_}++ if $used_expectation_enum;
+ next;
+ }
+ print STDERR "Unrecognized enum constant \"$_\" ignored\n";
+ }
+}
+elsif ($isgcc) {
+ # gcc creates this as a SHR,WRT psect in globals.c, but we
+ # don't see it in the perl.h scan, since it's only declared
+ # if DOINIT is #defined. Bleah. It's cheaper to just add
+ # it by hand than to add /Define=DOINIT to the preprocessing
+ # run and wade through all the extra junk.
+ $vars{'Error'}++;
+}
+
# Eventually, we'll check against existing copies here, so we can add new
# symbols to an existing options file in an upwardly-compatible manner.
# Linker wants /Include and /Library on different lines
print OPTBLD "$libperl/Include=($incstr)\n";
print OPTBLD "$libperl/Library\n";
-open(RTLOPT,$rtlopt) or die "$0: Can't read $rtlopt: $!\n";
+open(RTLOPT,$rtlopt) or die "$0: Can't read options file $rtlopt: $!\n";
while (<RTLOPT>) { print OPTBLD; }
close RTLOPT;
close OPTBLD;
__END__
# Oddball cases, so we can keep the perl.h scan above simple
-error=vars # declared in perl.h only when DOINIT defined by INTERN.h
rcsid=vars # declared in perl.c
regarglen=vars # declared in regcomp.h
regdummy=vars # declared in regcomp.h
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