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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #include "v8.h" | 28 #include "v8.h" |
29 | 29 |
30 #include "ast.h" | 30 #include "ast.h" |
31 #include "scopes.h" | 31 #include "scopes.h" |
32 #include "variables.h" | 32 #include "variables.h" |
33 | 33 |
34 namespace v8 { namespace internal { | 34 namespace v8 { |
| 35 namespace internal { |
35 | 36 |
36 // ---------------------------------------------------------------------------- | 37 // ---------------------------------------------------------------------------- |
37 // Implementation UseCount. | 38 // Implementation UseCount. |
38 | 39 |
39 UseCount::UseCount() | 40 UseCount::UseCount() |
40 : nreads_(0), | 41 : nreads_(0), |
41 nwrites_(0) { | 42 nwrites_(0) { |
42 } | 43 } |
43 | 44 |
44 | 45 |
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153 } | 154 } |
154 | 155 |
155 | 156 |
156 bool Variable::is_global() const { | 157 bool Variable::is_global() const { |
157 // Temporaries are never global, they must always be allocated in the | 158 // Temporaries are never global, they must always be allocated in the |
158 // activation frame. | 159 // activation frame. |
159 return mode_ != TEMPORARY && scope_ != NULL && scope_->is_global_scope(); | 160 return mode_ != TEMPORARY && scope_ != NULL && scope_->is_global_scope(); |
160 } | 161 } |
161 | 162 |
162 } } // namespace v8::internal | 163 } } // namespace v8::internal |
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