diff options
Diffstat (limited to 'src/3rdparty/webkit/JavaScriptCore/runtime/ScopeChain.cpp')
-rw-r--r-- | src/3rdparty/webkit/JavaScriptCore/runtime/ScopeChain.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/runtime/ScopeChain.cpp b/src/3rdparty/webkit/JavaScriptCore/runtime/ScopeChain.cpp new file mode 100644 index 0000000..5c2edab --- /dev/null +++ b/src/3rdparty/webkit/JavaScriptCore/runtime/ScopeChain.cpp @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2003, 2006, 2008 Apple Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#include "config.h" +#include "ScopeChain.h" + +#include "JSActivation.h" +#include "JSGlobalObject.h" +#include "JSObject.h" +#include "PropertyNameArray.h" +#include <stdio.h> + +namespace JSC { + +#ifndef NDEBUG + +void ScopeChainNode::print() const +{ + ScopeChainIterator scopeEnd = end(); + for (ScopeChainIterator scopeIter = begin(); scopeIter != scopeEnd; ++scopeIter) { + JSObject* o = *scopeIter; + PropertyNameArray propertyNames(globalObject()->globalExec()); + o->getPropertyNames(globalObject()->globalExec(), propertyNames); + PropertyNameArray::const_iterator propEnd = propertyNames.end(); + + fprintf(stderr, "----- [scope %p] -----\n", o); + for (PropertyNameArray::const_iterator propIter = propertyNames.begin(); propIter != propEnd; propIter++) { + Identifier name = *propIter; + fprintf(stderr, "%s, ", name.ascii()); + } + fprintf(stderr, "\n"); + } +} + +#endif + +int ScopeChain::localDepth() const +{ + int scopeDepth = 0; + ScopeChainIterator iter = this->begin(); + ScopeChainIterator end = this->end(); + while (!(*iter)->isObject(&JSActivation::info)) { + ++iter; + if (iter == end) + break; + ++scopeDepth; + } + return scopeDepth; +} + +} // namespace JSC |