1 | /* |
2 | * Copyright (C) 2003, 2006, 2008 Apple Inc. |
3 | * |
4 | * This library is free software; you can redistribute it and/or |
5 | * modify it under the terms of the GNU Library General Public |
6 | * License as published by the Free Software Foundation; either |
7 | * version 2 of the License, or (at your option) any later version. |
8 | * |
9 | * This library is distributed in the hope that it will be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | * Library General Public License for more details. |
13 | * |
14 | * You should have received a copy of the GNU Library General Public License |
15 | * along with this library; see the file COPYING.LIB. If not, write to |
16 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 | * Boston, MA 02110-1301, USA. |
18 | * |
19 | */ |
20 | |
21 | #include "config.h" |
22 | #include "ScopeChain.h" |
23 | |
24 | #include "JSActivation.h" |
25 | #include "JSGlobalObject.h" |
26 | #include "JSObject.h" |
27 | #include "PropertyNameArray.h" |
28 | #include <stdio.h> |
29 | |
30 | namespace JSC { |
31 | |
32 | #ifndef NDEBUG |
33 | |
34 | void ScopeChainNode::print() const |
35 | { |
36 | ScopeChainIterator scopeEnd = end(); |
37 | for (ScopeChainIterator scopeIter = begin(); scopeIter != scopeEnd; ++scopeIter) { |
38 | JSObject* o = *scopeIter; |
39 | PropertyNameArray propertyNames(globalObject->globalExec()); |
40 | o->getPropertyNames(globalObject->globalExec(), propertyNames); |
41 | PropertyNameArray::const_iterator propEnd = propertyNames.end(); |
42 | |
43 | fprintf(stderr, format: "----- [scope %p] -----\n" , o); |
44 | for (PropertyNameArray::const_iterator propIter = propertyNames.begin(); propIter != propEnd; propIter++) { |
45 | Identifier name = *propIter; |
46 | fprintf(stderr, format: "%s, " , name.ascii()); |
47 | } |
48 | fprintf(stderr, format: "\n" ); |
49 | } |
50 | } |
51 | |
52 | #endif |
53 | |
54 | int ScopeChain::localDepth() const |
55 | { |
56 | int scopeDepth = 0; |
57 | ScopeChainIterator iter = this->begin(); |
58 | ScopeChainIterator end = this->end(); |
59 | while (!(*iter)->inherits(info: &JSActivation::info)) { |
60 | ++iter; |
61 | if (iter == end) |
62 | break; |
63 | ++scopeDepth; |
64 | } |
65 | return scopeDepth; |
66 | } |
67 | |
68 | } // namespace JSC |
69 | |