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author | Steve Block <steveblock@google.com> | 2011-05-13 06:44:40 -0700 |
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committer | Android (Google) Code Review <android-gerrit@google.com> | 2011-05-13 06:44:40 -0700 |
commit | 08014c20784f3db5df3a89b73cce46037b77eb59 (patch) | |
tree | 47749210d31e19e6e2f64036fa8fae2ad693476f /Source/WebCore/bindings/js/ScriptCallStackFactory.cpp | |
parent | 860220379e56aeb66424861ad602b07ee22b4055 (diff) | |
parent | 4c3661f7918f8b3f139f824efb7855bedccb4c94 (diff) | |
download | external_webkit-08014c20784f3db5df3a89b73cce46037b77eb59.zip external_webkit-08014c20784f3db5df3a89b73cce46037b77eb59.tar.gz external_webkit-08014c20784f3db5df3a89b73cce46037b77eb59.tar.bz2 |
Merge changes Ide388898,Ic49f367c,I1158a808,Iacb6ca5d,I2100dd3a,I5c1abe54,Ib0ef9902,I31dbc523,I570314b3
* changes:
Merge WebKit at r75315: Update WebKit version
Merge WebKit at r75315: Add FrameLoaderClient PageCache stubs
Merge WebKit at r75315: Stub out AXObjectCache::remove()
Merge WebKit at r75315: Fix ImageBuffer
Merge WebKit at r75315: Fix PluginData::initPlugins()
Merge WebKit at r75315: Fix conflicts
Merge WebKit at r75315: Fix Makefiles
Merge WebKit at r75315: Move Android-specific WebCore files to Source
Merge WebKit at r75315: Initial merge by git.
Diffstat (limited to 'Source/WebCore/bindings/js/ScriptCallStackFactory.cpp')
-rw-r--r-- | Source/WebCore/bindings/js/ScriptCallStackFactory.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/Source/WebCore/bindings/js/ScriptCallStackFactory.cpp b/Source/WebCore/bindings/js/ScriptCallStackFactory.cpp new file mode 100644 index 0000000..94cd127 --- /dev/null +++ b/Source/WebCore/bindings/js/ScriptCallStackFactory.cpp @@ -0,0 +1,95 @@ +/* + * Copyright (c) 2010 Google Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" +#include "ScriptCallStackFactory.h" + +#include "JSDOMBinding.h" +#include "ScriptArguments.h" +#include "ScriptCallFrame.h" +#include "ScriptCallStack.h" +#include "ScriptValue.h" +#include <interpreter/CallFrame.h> +#include <interpreter/Interpreter.h> +#include <runtime/ArgList.h> +#include <runtime/JSFunction.h> +#include <runtime/JSGlobalData.h> +#include <runtime/JSValue.h> +#include <runtime/UString.h> + +using namespace JSC; + +namespace WebCore { + +PassRefPtr<ScriptCallStack> createScriptCallStack(size_t, bool) +{ + return 0; +} + +PassRefPtr<ScriptCallStack> createScriptCallStack(JSC::ExecState* exec, size_t maxStackSize) +{ + Vector<ScriptCallFrame> frames; + CallFrame* callFrame = exec; + while (true) { + ASSERT(callFrame); + int signedLineNumber; + intptr_t sourceID; + UString urlString; + JSValue function; + + exec->interpreter()->retrieveLastCaller(callFrame, signedLineNumber, sourceID, urlString, function); + UString functionName; + if (function) + functionName = asFunction(function)->name(exec); + else { + // Caller is unknown, but if frames is empty we should still add the frame, because + // something called us, and gave us arguments. + if (!frames.isEmpty()) + break; + } + unsigned lineNumber = signedLineNumber >= 0 ? signedLineNumber : 0; + frames.append(ScriptCallFrame(ustringToString(functionName), ustringToString(urlString), lineNumber)); + if (!function || frames.size() == maxStackSize) + break; + callFrame = callFrame->callerFrame(); + } + return ScriptCallStack::create(frames); +} + +PassRefPtr<ScriptArguments> createScriptArguments(JSC::ExecState* exec, unsigned skipArgumentCount) +{ + Vector<ScriptValue> arguments; + size_t argumentCount = exec->argumentCount(); + for (size_t i = skipArgumentCount; i < argumentCount; ++i) + arguments.append(ScriptValue(exec->argument(i))); + return ScriptArguments::create(exec, arguments); +} + +} // namespace WebCore |