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root/cvsroot/COMP/SCRAM/src/BuildSystem/Tool.pm
Revision: 1.1.2.10
Committed: Wed Jun 21 16:38:40 2000 UTC (24 years, 10 months ago) by williamc
Content type: text/plain
Branch: V0_9branch
CVS Tags: V0_13_3, V0_13_2, V0_13_1
Changes since 1.1.2.9: +2 -1 lines
Log Message:
reset normal vars in runtime rather than adding

File Contents

# Content
1 #
2 # Tool.pm - Store basic tool properties
3 #
4 # Originally Written by Christopher Williams
5 #
6 # Description
7 # -----------
8 # Stores basic tool features
9 #
10 # Interface
11 # ---------
12 # new() : A new FeatureTool object
13 # name() : get/set the tools name
14 # version() : get set the tool version
15 # url() : get set the tool url
16 # features() : return a list of features defined (ordered in relation to
17 # their first definition)
18 # listtype(type) : return a list of all features of the specified type
19 # addfeature(name,@value) : add value(s) to the named feature
20 # setfeature(name,@value) : set value(s) for the named feature
21 # getfeature(name) : return a list of elements belonging to the named feature
22 # (with embedded dependencies)
23 # type(name[,type]) : get/set the type associated with a feature
24 # addrequirement() : add a requirement at the current parse position
25 # dependencies() : return a list of dependency objects
26 # store(location) : Save object to given file
27 # restore(location) : Restore object from specified file
28 # reset() : Clean out all the features
29 # equals(toolobj) : return 1 if the tools correspond in url version etc.
30 # runtime(hashref) : set the runtime environment into the specified hash
31
32 package BuildSystem::Tool;
33 use Utilities::Verbose;
34 require 5.004;
35 @ISA=qw(Utilities::Verbose);
36
37 sub new {
38 my $class=shift;
39 my $self={};
40 bless $self, $class;
41 return $self;
42 }
43
44 sub name {
45 my $self=shift;
46
47 @_?$self->{name}=shift
48 :$self->{name};
49 }
50
51 sub version {
52 my $self=shift;
53
54 @_?$self->{version}=shift
55 :$self->{version};
56 }
57
58 sub url {
59 my $self=shift;
60
61 @_?$self->{url}=shift
62 :$self->{url};
63 }
64
65 sub equals {
66 my $self=shift;
67 my $tool=shift;
68
69 my $rv=0;
70 if ( ($tool->url() eq $self->url() ) &&
71 ($tool->name() eq $self->name() ) &&
72 ($tool->version() eq $self->version()) ) {
73 $rv=1;
74 }
75 return $rv;
76 }
77
78 sub listtype {
79 my $self=shift;
80 my $type=shift;
81
82 my @list=();
83 foreach $v ( $self->features() ) {
84 if ( $self->type($v) eq $type ) {
85 push @list, $v;
86 }
87 }
88 return @list;
89 }
90
91 sub type {
92 my $self=shift;
93 my $name=shift;
94
95 if ( @_ ) {
96 $self->{featuretypes}{$name}=shift;
97 }
98 return ((defined $self->{featuretypes}{$name})?
99 $self->{featuretypes}{$name}:"");
100 }
101
102 sub addfeature {
103 my $self=shift;
104 my $name=shift;
105 my @value=@_;
106
107 $self->_newfeature($name,@value);
108 push @{$self->{features}{$name}}, @value;
109 }
110
111 sub setfeature {
112 my $self=shift;
113 my $name=shift;
114 my @value=@_;
115
116 $self->_newfeature($name,@value);
117 @{$self->{features}{$name}}=@value;
118 }
119
120 # ---- runtime routines -----------
121 sub runtime {
122 my $self=shift;
123 my $hashref=shift;
124
125 my ($val,$f);
126 # -- deal with path types
127 foreach $f ( $self->listtype("runtime_path")) {
128 foreach $val ( $self->getfeature($f) ) {
129 $self->_addpath($f,$val,$hashref);
130 }
131 }
132
133 # -- regular vars
134 foreach $f ( $self->listtype("runtime")) {
135 foreach $val ( $self->getfeature($f) ) {
136 #$self->_addvar($f,$val," ",$hashref);
137 $$hashref{$f}=$val;
138 }
139 }
140
141 }
142
143 sub _addpath {
144 my $self=shift;
145 my $name=shift;
146 my $val=shift;
147 my $hashref=shift;
148
149 my $n;
150 my @env;
151 @env=split /:/, $$hashref{$name};
152 foreach $n ( (split /:/, $val ) ){
153 if ( ! grep /^\Q$n\E$/, @env ) { # dont add duplicates
154 $self->_addvar($name,$n,":",$hashref);
155 }
156 }
157 }
158
159 sub _addvar {
160 my $self=shift;
161 my $name=shift;
162 my $val=shift;
163 my $sep=shift;
164 my $hashref=shift;
165
166 if ( $val ne "" ) {
167 if ( defined $$hashref{$name} ) {
168 $$hashref{$name}=$$hashref{$name}.$sep.$val;
169 }
170 else {
171 $$hashref{$name}=$val;
172 }
173 }
174 }
175
176 # --- end runtime routines
177
178 sub reset {
179 my $self=shift;
180 undef $self->{features};
181 undef $self->{'features_ordered'};
182 undef $self->{reqobjs};
183 undef $self->{requireposition};
184 }
185
186 sub _newfeature {
187 my $self=shift;
188 my $name=shift;
189 my @value=@_;
190
191 # if it dosnt exist , make sure we first mark all the current reqs
192 # get inserted beforehand
193 if ( ! exists $self->{features}{$name} ) {
194 # add feature name to our ordered list
195 push @{$self->{'features_ordered'}},$name;
196 for ( $i=0; $i<=$#{$self->{reqobjs}}; $i++ ) {
197 $self->_recordpos( $name, $i);
198 }
199 }
200 }
201
202 sub features {
203 my $self=shift;
204
205 # return (keys %{$self->{features}});
206 return @{$self->{'features_ordered'}};
207 }
208
209 sub getfeature {
210 my $self=shift;
211 my $name=shift;
212
213 my @rv=();
214 my @rep;
215 # make sure we insert requirements at the right place
216 for ( my $i=-1; $i<=$#{$self->{features}{$name}}; $i++ ) {
217 if ( $i>=0 ) {
218 push @rv, $self->{features}{$name}[$i];
219 }
220 my @rep=$self->_testpos($name, $i);
221 my $repobj;
222 foreach $repobj ( @rep ) {
223 push @rv, $repobj->getfeature($name);
224 }
225 }
226 return @rv;
227 }
228
229 sub clearfeature {
230 my $self=shift;
231 my $name=shift;
232
233 undef @{$self->{features}{$name}};
234 }
235
236 sub addrequirement {
237 my $self=shift;
238 my $reqobj=shift;
239
240 push @{$self->{reqobjs}}, $reqobj;
241 foreach $key ( keys %{$self->{features}} ) {
242 $self->_recordpos($key,$#{$self->{reqobjs}});
243 }
244 }
245
246 sub dependencies {
247 my $self=shift;
248 return @{$self->{recobjs}}
249 }
250
251 sub store {
252 my $self=shift;
253 my $location=shift;
254
255 my $fh=FileHandle->new();
256 $self->verbose("opening $location for output");
257 $fh->open(">".$location) or die "Unable to open $location for output".
258 $!."\n";
259 print $fh "name:".$self->name().":_sys\n";
260 print $fh "version:".$self->version().":_sys\n";
261 print $fh "url:".$self->url().":_sys\n";
262 foreach $f ( $self->features()) {
263 foreach $val ( $self->getfeature($f) ) {
264 print $fh $f.":".$val.":".$self->type($f)."\n";
265 }
266 }
267 undef $fh;
268 }
269
270 sub restore {
271 my $self=shift;
272 my $location=shift;
273
274 my $fh=FileHandle->new();
275 $fh->open("<".$location) or die "Unable to open $location for output".
276 $!."\n";
277 my ($tool,$type,$variable,$value);
278 while ( <$fh> ) {
279 chomp;
280 next if /^#/;
281 next if /^\s*$/;
282 ($variable, $value, $type)=split /:/;
283 next if ( $variable=~/\&/ );
284 $product=~tr[A-Z][a-z];
285 if ( $type eq "_sys" ) {
286 if ( $self->can($variable)) {
287 $self->$variable($value);
288 }
289 }
290 else {
291 $self->addfeature($variable,$value);
292 if ( $type ne "" ) {
293 $self->type($variable,$type);
294 }
295 }
296 }
297 undef $fh;
298 }
299
300 sub _recordpos {
301 my $self=shift;
302 my $name=shift;
303 my $recref=shift;
304
305 push @{$self->{requireposition}{$name}{$#{$self->{features}{$name}}}}
306 ,$recref;
307 }
308
309 # return array of objects that correspond to the required position
310 sub _testpos {
311 my $self=shift;
312 my $name=shift;
313 my $ref=shift;
314
315 my @rv=();
316 if ( exists $self->{requireposition}{$name}{$ref} ) {
317 foreach $recref ( @{$self->{requireposition}{$name}{$ref}} ) {
318 push @rv, $self->{reqobjs}[$recref];
319 }
320 }
321 return @rv;
322 }
323
324