| /* |
| * 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 "InspectorValues.h" |
| #include "ScriptArguments.h" |
| #include "ScriptCallFrame.h" |
| #include "ScriptCallStack.h" |
| #include "ScriptScope.h" |
| #include "ScriptValue.h" |
| #include "V8Binding.h" |
| |
| #include <v8-debug.h> |
| |
| namespace WebCore { |
| |
| static ScriptCallFrame toScriptCallFrame(v8::Handle<v8::StackFrame> frame) |
| { |
| String sourceName; |
| v8::Local<v8::String> sourceNameValue(frame->GetScriptNameOrSourceURL()); |
| if (!sourceNameValue.IsEmpty()) |
| sourceName = toWebCoreString(sourceNameValue); |
| |
| String functionName; |
| v8::Local<v8::String> functionNameValue(frame->GetFunctionName()); |
| if (!functionNameValue.IsEmpty()) |
| functionName = toWebCoreString(functionNameValue); |
| |
| int sourceLineNumber = frame->GetLineNumber(); |
| int sourceColumn = frame->GetColumn(); |
| return ScriptCallFrame(functionName, sourceName, sourceLineNumber, sourceColumn); |
| } |
| |
| static void toScriptCallFramesVector(v8::Handle<v8::StackTrace> stackTrace, Vector<ScriptCallFrame>& scriptCallFrames, size_t maxStackSize, bool emptyStackIsAllowed) |
| { |
| ASSERT(v8::Context::InContext()); |
| int frameCount = stackTrace->GetFrameCount(); |
| if (frameCount > static_cast<int>(maxStackSize)) |
| frameCount = maxStackSize; |
| for (int i = 0; i < frameCount; i++) { |
| v8::Local<v8::StackFrame> stackFrame = stackTrace->GetFrame(i); |
| scriptCallFrames.append(toScriptCallFrame(stackFrame)); |
| } |
| if (!frameCount && !emptyStackIsAllowed) { |
| // Successfully grabbed stack trace, but there are no frames. It may happen in case |
| // when a bound function is called from native code for example. |
| // Fallback to setting lineNumber to 0, and source and function name to "undefined". |
| scriptCallFrames.append(ScriptCallFrame("undefined", "undefined", 0)); |
| } |
| } |
| |
| static PassRefPtr<ScriptCallStack> createScriptCallStack(v8::Handle<v8::StackTrace> stackTrace, size_t maxStackSize, bool emptyStackIsAllowed) |
| { |
| ASSERT(v8::Context::InContext()); |
| v8::HandleScope scope; |
| Vector<ScriptCallFrame> scriptCallFrames; |
| toScriptCallFramesVector(stackTrace, scriptCallFrames, maxStackSize, emptyStackIsAllowed); |
| return ScriptCallStack::create(scriptCallFrames); |
| } |
| |
| PassRefPtr<ScriptCallStack> createScriptCallStack(v8::Handle<v8::StackTrace> stackTrace, size_t maxStackSize) |
| { |
| return createScriptCallStack(stackTrace, maxStackSize, true); |
| } |
| |
| PassRefPtr<ScriptCallStack> createScriptCallStack(size_t maxStackSize, bool emptyStackIsAllowed) |
| { |
| if (!v8::Context::InContext()) |
| return 0; |
| v8::HandleScope handleScope; |
| v8::Handle<v8::StackTrace> stackTrace(v8::StackTrace::CurrentStackTrace(maxStackSize, stackTraceOptions)); |
| return createScriptCallStack(stackTrace, maxStackSize, emptyStackIsAllowed); |
| } |
| |
| PassRefPtr<ScriptArguments> createScriptArguments(const v8::Arguments& v8arguments, unsigned skipArgumentCount) |
| { |
| v8::HandleScope scope; |
| v8::Local<v8::Context> context = v8::Context::GetCurrent(); |
| ScriptState* state = ScriptState::forContext(context); |
| |
| Vector<ScriptValue> arguments; |
| for (int i = skipArgumentCount; i < v8arguments.Length(); ++i) |
| arguments.append(ScriptValue(v8arguments[i])); |
| |
| return ScriptArguments::create(state, arguments); |
| } |
| |
| } // namespace WebCore |