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"
32 ScopeChainNode::~ScopeChainNode()
38 void ScopeChainNode::print()
40 ScopeChainIterator scopeEnd = end();
41 for (ScopeChainIterator scopeIter = begin(); scopeIter != scopeEnd; ++scopeIter) {
42 JSObject* o = scopeIter->get();
43 PropertyNameArray propertyNames(globalObject->globalExec());
44 o->methodTable()->getPropertyNames(o, globalObject->globalExec(), propertyNames, ExcludeDontEnumProperties);
45 PropertyNameArray::const_iterator propEnd = propertyNames.end();
47 fprintf(stderr, "----- [scope %p] -----\n", o);
48 for (PropertyNameArray::const_iterator propIter = propertyNames.begin(); propIter != propEnd; propIter++) {
49 Identifier name = *propIter;
50 fprintf(stderr, "%s, ", name.ustring().utf8().data());
52 fprintf(stderr, "\n");
58 const ClassInfo ScopeChainNode::s_info = { "ScopeChainNode", 0, 0, 0, CREATE_METHOD_TABLE(ScopeChainNode) };
60 int ScopeChainNode::localDepth()
63 ScopeChainIterator iter = this->begin();
64 ScopeChainIterator end = this->end();
65 while (!(*iter)->inherits(&JSActivation::s_info)) {
74 void ScopeChainNode::visitChildren(JSCell* cell, SlotVisitor& visitor)
76 ScopeChainNode* thisObject = jsCast<ScopeChainNode*>(cell);
77 ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);
78 COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
79 ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
81 visitor.append(&thisObject->next);
82 visitor.append(&thisObject->object);
83 visitor.append(&thisObject->globalObject);
84 visitor.append(&thisObject->globalThis);