| 1 |
#
|
| 2 |
# Runtime.pm
|
| 3 |
#
|
| 4 |
# Written by Christopher Williams
|
| 5 |
#
|
| 6 |
# Description
|
| 7 |
# -----------
|
| 8 |
# Prepare a runtime environment
|
| 9 |
#
|
| 10 |
# Interface
|
| 11 |
# ---------
|
| 12 |
# new() : A new Runtime object
|
| 13 |
# file(file) : Specify an environment description file
|
| 14 |
# doc(var) : Print out any documentation for the runtime env
|
| 15 |
# list() : return a list of all variables set
|
| 16 |
# sethash(hashref) : Set the environment in the hash provided
|
| 17 |
# printenv(shell) : output environment to stdout in shell format
|
| 18 |
# getvalue(var) : return a string - modified by type for the var specified
|
| 19 |
# addvar(name,value[,type]) : add a variable - if necessary specify a type
|
| 20 |
# unshiftvar(name,value{,type]) : unshift a variable
|
| 21 |
|
| 22 |
package Runtime;
|
| 23 |
require 5.004;
|
| 24 |
use ActiveDoc::SimpleDoc;
|
| 25 |
|
| 26 |
sub new {
|
| 27 |
my $class=shift;
|
| 28 |
$self={};
|
| 29 |
$self->{Arch}=1;
|
| 30 |
$self->{validtypes}={ 'path'=>1 };
|
| 31 |
push @{$self->{ARCHBLOCK}}, $self->{Arch};
|
| 32 |
bless $self, $class;
|
| 33 |
return $self;
|
| 34 |
}
|
| 35 |
|
| 36 |
sub file {
|
| 37 |
my $self=shift;
|
| 38 |
my $filename=shift;
|
| 39 |
$self->_parsefile($filename);
|
| 40 |
}
|
| 41 |
|
| 42 |
sub sethash {
|
| 43 |
my $self=shift;
|
| 44 |
my $hashref=shift;
|
| 45 |
|
| 46 |
foreach $var ( @{$self->{'varlist'}} ) {
|
| 47 |
$$hashref{$var}=$self->_expandvar($self->getvalue($var));
|
| 48 |
}
|
| 49 |
}
|
| 50 |
|
| 51 |
sub printenv {
|
| 52 |
my $self=shift;
|
| 53 |
my $shell=shift;
|
| 54 |
|
| 55 |
foreach $var ( @{$self->{'varlist'}} ) {
|
| 56 |
$self->_printoutenv($shell,$var,
|
| 57 |
$self->_expandvar($self->getvalue($var)));
|
| 58 |
}
|
| 59 |
}
|
| 60 |
|
| 61 |
sub list {
|
| 62 |
my $self=shift;
|
| 63 |
return @{$self->{'varlist'}};
|
| 64 |
}
|
| 65 |
|
| 66 |
sub doc {
|
| 67 |
my $self=shift;
|
| 68 |
my $var=shift;
|
| 69 |
return $self->{vardoc}{$var};
|
| 70 |
}
|
| 71 |
|
| 72 |
sub getvalue {
|
| 73 |
my $self=shift;
|
| 74 |
my $name=shift;
|
| 75 |
|
| 76 |
my $string;
|
| 77 |
my @vals=@{$self->{vars}{$name}};
|
| 78 |
|
| 79 |
if ( defined $self->{'vartype'}{$name} ) { #any type proceesing
|
| 80 |
$string=&{"_".$self->{'vartype'}{$name}}($self,@vals);
|
| 81 |
}
|
| 82 |
else {
|
| 83 |
$string=$vals[0];
|
| 84 |
}
|
| 85 |
return $string;
|
| 86 |
}
|
| 87 |
|
| 88 |
sub addvar {
|
| 89 |
my $self=shift;
|
| 90 |
my $name=shift;
|
| 91 |
my $val=shift;
|
| 92 |
|
| 93 |
push @{$self->{'varlist'}}, $name;
|
| 94 |
push @{$self->{'vars'}{$name}}, $val;
|
| 95 |
if ( @_ ) {
|
| 96 |
$self->{'vartype'}{$name}=shift;;
|
| 97 |
}
|
| 98 |
else {
|
| 99 |
$self->{'vartype'}{$name}=undef;
|
| 100 |
}
|
| 101 |
}
|
| 102 |
|
| 103 |
sub unshiftvar {
|
| 104 |
my $self=shift;
|
| 105 |
my $name=shift;
|
| 106 |
my $val=shift;
|
| 107 |
|
| 108 |
if ( exists $self->{'vars'}{$name} ) {
|
| 109 |
unshift @{$self->{'vars'}{$name}}, $val;
|
| 110 |
}
|
| 111 |
else {
|
| 112 |
$self->addvar($name,$val,@_);
|
| 113 |
}
|
| 114 |
}
|
| 115 |
|
| 116 |
# ---- Support Routines
|
| 117 |
sub _expandvar {
|
| 118 |
my $self=shift;
|
| 119 |
my $string=shift;
|
| 120 |
|
| 121 |
return "" , if ( ! defined $string );
|
| 122 |
$string=~s{
|
| 123 |
\$\((\w+)\)
|
| 124 |
}{
|
| 125 |
if (defined $ENV{$1}) {
|
| 126 |
$self->_expandvar($ENV{$1});
|
| 127 |
} else {
|
| 128 |
"\$".$1;
|
| 129 |
}
|
| 130 |
}egx;
|
| 131 |
$string=~s{
|
| 132 |
\$(\w+)
|
| 133 |
}{
|
| 134 |
if (defined $ENV{$1}) {
|
| 135 |
$self->_expandvar($ENV{$1});
|
| 136 |
} else {
|
| 137 |
"\$".$1;
|
| 138 |
}
|
| 139 |
}egx;
|
| 140 |
return $string;
|
| 141 |
}
|
| 142 |
|
| 143 |
sub _path {
|
| 144 |
my $self=shift;
|
| 145 |
my @vals=@_;
|
| 146 |
|
| 147 |
@vals=$self->_removedoubles(@vals);
|
| 148 |
my $string=join ":", @vals;
|
| 149 |
return $string;
|
| 150 |
}
|
| 151 |
|
| 152 |
#
|
| 153 |
# removes doubles and whitespace
|
| 154 |
#
|
| 155 |
sub _removedoubles {
|
| 156 |
my $self=shift;
|
| 157 |
my @red=();
|
| 158 |
|
| 159 |
foreach $elem ( @_ ) {
|
| 160 |
$elem=~s/^\s+//; # chop leading whitespace
|
| 161 |
if ( (! grep { $_ eq $elem } @red ) && ( $elem ne "")) {
|
| 162 |
push @red,$elem;
|
| 163 |
}
|
| 164 |
}
|
| 165 |
return @red;
|
| 166 |
}
|
| 167 |
|
| 168 |
sub _parsefile {
|
| 169 |
my $self=shift;
|
| 170 |
my $filename=shift;
|
| 171 |
|
| 172 |
$self->{switch}=ActiveDoc::SimpleDoc->new();
|
| 173 |
$self->{switch}->newparse("runtime");
|
| 174 |
$self->{switch}->addignoretags("runtime");
|
| 175 |
$self->{switch}->filetoparse($filename);
|
| 176 |
$self->{switch}->addtag("runtime","Runtime",
|
| 177 |
\&Runtime_start, $self,
|
| 178 |
\&Runtime_text, $self,
|
| 179 |
\&Runtime_end, $self);
|
| 180 |
$self->{switch}->addtag("runtime","Architecture",
|
| 181 |
\&Arch_Start, $self, "",$self, \&Arch_End, $self);
|
| 182 |
$self->{Runtimecontext}=0;
|
| 183 |
$self->{switch}->parse("runtime");
|
| 184 |
}
|
| 185 |
|
| 186 |
sub _printoutenv {
|
| 187 |
my $self=shift;
|
| 188 |
my $shell=shift;
|
| 189 |
my $variable=shift;
|
| 190 |
my $value=shift;
|
| 191 |
|
| 192 |
if ( $shell eq "csh" ) {
|
| 193 |
print "setenv $variable \"$value\";\n";
|
| 194 |
}
|
| 195 |
elsif ( $shell eq "sh" ) {
|
| 196 |
print "$variable=\"$value\";\n";
|
| 197 |
print "export $variable;\n";
|
| 198 |
}
|
| 199 |
}
|
| 200 |
|
| 201 |
# ------ Tag Routines
|
| 202 |
|
| 203 |
sub Runtime_start {
|
| 204 |
my $self=shift;
|
| 205 |
my $name=shift;
|
| 206 |
my $hashref=shift;
|
| 207 |
|
| 208 |
$self->{switch}->checktag($name,$hashref,'name');
|
| 209 |
$self->{switch}->checktag($name,$hashref,'value');
|
| 210 |
if ( $self->{Arch} ) {
|
| 211 |
if ( $self->{Runtimecontext} == 1 ) {
|
| 212 |
$self->{switch}->parseerror("No </$name> before new tag");
|
| 213 |
}
|
| 214 |
$self->{Runtimecontext}=1;
|
| 215 |
|
| 216 |
push @{$self->{'varlist'}}, $$hashref{'name'};
|
| 217 |
push @{$self->{'vars'}{$$hashref{'name'}}}, $$hashref{'value'};
|
| 218 |
if ( defined $$hashref{'type'} ) {
|
| 219 |
if ( ( exists $self->{'vartype'}{$$hashref{'name'}} ) &&
|
| 220 |
( $self->{'vartype'}{$$hashref{'name'}} ne $$hashref{'type'}) ){
|
| 221 |
$self->{switch}->parseerror("Redefinition of Variable".
|
| 222 |
" type for ".$$hashref{'name'});
|
| 223 |
}
|
| 224 |
$self->{'vartype'}{$$hashref{'name'}}=$$hashref{'type'};
|
| 225 |
if ( ! defined $self->{validtypes}{$$hashref{'type'}} ) {
|
| 226 |
$self->{switch}->parseerror(
|
| 227 |
"Unknown type ".$$hashref{'type'});
|
| 228 |
}
|
| 229 |
}
|
| 230 |
else {
|
| 231 |
$self->{'vartype'}{$$hashref{'name'}}=undef;
|
| 232 |
}
|
| 233 |
}
|
| 234 |
}
|
| 235 |
|
| 236 |
sub Runtime_text {
|
| 237 |
my $self=shift;
|
| 238 |
my $name=shift;
|
| 239 |
my @vars=@_;
|
| 240 |
|
| 241 |
if ( $self->{Arch} ) {
|
| 242 |
my $var=$self->{varlist}[$#{$self->{varlist}}];
|
| 243 |
$self->{'vardoc'}{$var}=$self->{'vardoc'}{$var}.
|
| 244 |
(join "", @vars);
|
| 245 |
}
|
| 246 |
}
|
| 247 |
|
| 248 |
sub Runtime_end {
|
| 249 |
my $self=shift;
|
| 250 |
my $name=shift;
|
| 251 |
if ( $self->{Arch} ) {
|
| 252 |
$self->{Runtimecontext}=0;
|
| 253 |
}
|
| 254 |
}
|
| 255 |
|
| 256 |
sub Arch_Start {
|
| 257 |
my $self=shift;
|
| 258 |
my $name=shift;
|
| 259 |
my $hashref=shift;
|
| 260 |
|
| 261 |
$toolswitch->checktag($name, $hashref,'name');
|
| 262 |
( ($ENV{SCRAM_ARCH}=~/$$hashref{name}.*/) )? ($self->{Arch}=1)
|
| 263 |
: ($self->{Arch}=0);
|
| 264 |
push @{$self->{ARCHBLOCK}}, $self->{Arch};
|
| 265 |
}
|
| 266 |
|
| 267 |
sub Arch_End {
|
| 268 |
my $self=shift;
|
| 269 |
my $name=shift;
|
| 270 |
|
| 271 |
pop @{$self->{ARCHBLOCK}};
|
| 272 |
$self->{Arch}=$self->{ARCHBLOCK}[$#{$self->{ARCHBLOCK}}];
|
| 273 |
}
|
| 274 |
|
