2 * Copyright (C) 2003, 2006, 2008 Apple Inc.
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.
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.
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.
22 #include "ScopeChain.h"
24 #include "JSActivation.h"
25 #include "JSGlobalObject.h"
27 #include "PropertyNameArray.h"
34 void ScopeChainNode::print()
36 ScopeChainIterator scopeEnd = end();
37 for (ScopeChainIterator scopeIter = begin(); scopeIter != scopeEnd; ++scopeIter) {
38 JSObject* o = scopeIter->get();
39 PropertyNameArray propertyNames(globalObject->globalExec());
40 o->getPropertyNames(globalObject->globalExec(), propertyNames);
41 PropertyNameArray::const_iterator propEnd = propertyNames.end();
43 fprintf(stderr, "----- [scope %p] -----\n", o);
44 for (PropertyNameArray::const_iterator propIter = propertyNames.begin(); propIter != propEnd; propIter++) {
45 Identifier name = *propIter;
46 fprintf(stderr, "%s, ", name.ustring().utf8().data());
48 fprintf(stderr, "\n");
54 const ClassInfo ScopeChainNode::s_info = { "ScopeChainNode", 0, 0, 0 };
56 int ScopeChainNode::localDepth()
59 ScopeChainIterator iter = this->begin();
60 ScopeChainIterator end = this->end();
61 while (!(*iter)->inherits(&JSActivation::s_info)) {
70 void ScopeChainNode::visitChildren(SlotVisitor& visitor)
72 ASSERT_GC_OBJECT_INHERITS(this, &s_info);
73 COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
74 ASSERT(structure()->typeInfo().overridesVisitChildren());
76 visitor.append(&next);
77 visitor.append(&object);
78 visitor.append(&globalObject);
79 visitor.append(&globalThis);