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|
#!/usr/bin/perl
# $Header$
$usage = "Usage: xvar [-a] [-c] typemap file.xv\n";
die $usage unless (@ARGV >= 2 && @ARGV <= 4);
SWITCH: while ($ARGV[0] =~ /^-/) {
$flag = shift @ARGV;
$aflag = 1, next SWITCH if $flag =~ /^-a$/;
$cflag = 1, next SWITCH if $flag =~ /^-c$/;
die $usage;
}
$typemap = shift @ARGV;
open(TYPEMAP, $typemap) || die "cannot open $typemap\n";
while (<TYPEMAP>) {
next if /^\s*$/ || /^#/;
chop;
($typename, $kind) = split(/\t+/);
$type_kind{$typename} = $kind;
}
close(TYPEMAP);
$uvfile = shift @ARGV;
open(F, $uvfile) || die "cannot open $uvfile\n";
#($uvoutfile = $uvfile) =~ s|^.*/([^/]*).us$|\1.c| ;
#print "uvoutfile is $uvoutfile\n";
#open(FOUT, ">$uvoutfile") || die "cannot open $uvoutfile\n";
#select(FOUT);
while (<F>) {
last if ($Module, $foo, $Package, $foo1, $Prefix) =
/^MODULE\s*=\s*(\w+)(\s+PACKAGE\s*=\s*(\w+))?(\s+PREFIX\s*=\s*(\w+))?/;
print $_;
}
$Package .= "::" if defined $Package && $Package ne "";
print <<EOF;
static struct varinfo varinfo [] = {
EOF
while (<F>) {
next if /^s*$/ || /^#/;
if (/^MODULE\s*=\s*(\w+)(\s+PACKAGE\s*=\s*(\w+))?(\s+PREFIX\s*=\s*(\w+))?/) {
$Module = $1;
$foo = $2;
$Package = $3;
$foo1 = $4;
$Prefix = $5;
$Package .= "'" if defined $Package && $Package ne "";
next;
}
chop;
$func = undef;
($var, $kind, $store, $read) = split(/\t+/);
die "$kind not defined in typemap\n" if !defined($type_kind{$kind});
$flags = "0";
if ($store =~ /FUNC=(.*)/) {
$flags .= "|VI_FUNC";
$func = $1;
} elsif ($store eq "VAR") {
$flags .= "|VI_VARIABLE";
} elsif ($store ne "VAL") {
die "$var storage class not VAL, VAR or FUNC\n";
}
if ($read eq "READWRITE") {
$flags .= "|VI_READWRITE";
} elsif ($read ne "READONLY") {
die "$var access class not READONLY or READWRITE\n";
}
SIZE: {
$type_kind = $type_kind{$kind};
$size = 0;
do {$size = "sizeof(int)"; last SIZE; }
if ($type_kind eq "T_INT");
do {$size = "sizeof($kind)"; last SIZE; }
if ($type_kind eq "T_ENUM");
do {$size = "sizeof(unsigned int)"; last SIZE; }
if ($type_kind eq "T_U_INT");
do {$size = "sizeof(short)"; last SIZE; }
if ($type_kind eq "T_SHORT");
do {$size = "sizeof(unsigned short)"; last SIZE; }
if ($type_kind eq "T_U_SHORT");
do {$size = "sizeof(long)"; last SIZE; }
if ($type_kind eq "T_LONG");
do {$size = "sizeof(unsigned long)"; last SIZE; }
if ($type_kind eq "T_U_LONG");
do {$size = "sizeof(char)"; last SIZE; }
if ($type_kind eq "T_CHAR");
do {$size = "sizeof(unsigned char)"; last SIZE; }
if ($type_kind eq "T_U_CHAR");
do {$size = "0"; last SIZE; }
if ($type_kind eq "T_STRING");
do {$size = "sizeof(char *)"; last SIZE; }
if ($type_kind eq "T_PTR");
do {$size = "sizeof($kind)"; last SIZE; }
if ($type_kind eq "T_OPAQUE");
}
($name = $var) =~ s/^$Prefix//;
print " { \"$Package$name\", $type_kind, $flags, $size, ";
if ($store =~ /FUNC/) {
print "(char *)$func, 0.0 },\n";
} elsif ($store eq "VAR") {
print "(char *)&$var, 0.0 },\n";
} elsif ($type_kind eq "T_FLOAT" || $type_kind eq "T_DOUBLE") {
print "0, $var },\n";
} else {
print "(char *)$var, 0.0 },\n";
}
}
print <<EOF if $aflag;
};
static unsigned long varinfolen = sizeof(varinfo)/sizeof(*varinfo);
static int UV_val(int ix, SV *sv)
{
return common_UV_val(varinfo, varinfolen, ix, sv);
}
static int UV_set(int ix, SV *sv)
{
return common_UV_set(varinfo, varinfolen, ix, sv);
}
EOF
print <<EOF if !$aflag;
};
static unsigned long varinfolen = sizeof(varinfo)/sizeof(*varinfo);
static int UV_val(ix, sv)
int ix;
SV *sv;
{
return common_UV_val(varinfo, varinfolen, ix, sv);
}
static int UV_set(ix, sv)
int ix;
SV *sv;
{
return common_UV_set(varinfo, varinfolen, ix, sv);
}
EOF
print qq/extern "C"\n/ if $cflag;
print <<EOF;
void init_$Module()
{
int i;
struct ufuncs uf;
uf.uf_set = UV_set;
uf.uf_val = UV_val;
for (i = 0; i < varinfolen; i++) {
uf.uf_index = i;
magicname(varinfo[i].vname, (char *)&uf, sizeof uf);
}
}
EOF
|
