| /* |
| * 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 "bindings/core/v8/ScriptCallStackFactory.h" |
| |
| #include "bindings/core/v8/ScriptValue.h" |
| #include "bindings/core/v8/V8Binding.h" |
| #include "core/inspector/InspectorInstrumentation.h" |
| #include "core/inspector/ScriptArguments.h" |
| #include "core/inspector/ScriptCallFrame.h" |
| #include "core/inspector/ScriptCallStack.h" |
| #include "platform/JSONValues.h" |
| #include "wtf/text/StringBuilder.h" |
| |
| #include <v8-debug.h> |
| |
| namespace blink { |
| |
| class ExecutionContext; |
| |
| static ScriptCallFrame toScriptCallFrame(v8::Handle<v8::StackFrame> frame) |
| { |
| StringBuilder stringBuilder; |
| stringBuilder.appendNumber(frame->GetScriptId()); |
| String scriptId = stringBuilder.toString(); |
| String sourceName; |
| v8::Local<v8::String> sourceNameValue(frame->GetScriptNameOrSourceURL()); |
| if (!sourceNameValue.IsEmpty()) |
| sourceName = toCoreString(sourceNameValue); |
| |
| String functionName; |
| v8::Local<v8::String> functionNameValue(frame->GetFunctionName()); |
| if (!functionNameValue.IsEmpty()) |
| functionName = toCoreString(functionNameValue); |
| |
| int sourceLineNumber = frame->GetLineNumber(); |
| int sourceColumn = frame->GetColumn(); |
| return ScriptCallFrame(functionName, scriptId, sourceName, sourceLineNumber, sourceColumn); |
| } |
| |
| static void toScriptCallFramesVector(v8::Handle<v8::StackTrace> stackTrace, Vector<ScriptCallFrame>& scriptCallFrames, size_t maxStackSize, bool emptyStackIsAllowed, v8::Isolate* isolate) |
| { |
| ASSERT(isolate->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()); |
| } |
| } |
| |
| static PassRefPtrWillBeRawPtr<ScriptCallStack> createScriptCallStack(v8::Handle<v8::StackTrace> stackTrace, size_t maxStackSize, bool emptyStackIsAllowed, v8::Isolate* isolate) |
| { |
| ASSERT(isolate->InContext()); |
| v8::HandleScope scope(isolate); |
| Vector<ScriptCallFrame> scriptCallFrames; |
| toScriptCallFramesVector(stackTrace, scriptCallFrames, maxStackSize, emptyStackIsAllowed, isolate); |
| RefPtrWillBeRawPtr<ScriptCallStack> callStack = ScriptCallStack::create(scriptCallFrames); |
| if (InspectorInstrumentation::hasFrontends() && maxStackSize > 1) |
| InspectorInstrumentation::appendAsyncCallStack(currentExecutionContext(isolate), callStack.get()); |
| return callStack.release(); |
| } |
| |
| PassRefPtrWillBeRawPtr<ScriptCallStack> createScriptCallStack(v8::Handle<v8::StackTrace> stackTrace, size_t maxStackSize, v8::Isolate* isolate) |
| { |
| return createScriptCallStack(stackTrace, maxStackSize, true, isolate); |
| } |
| |
| PassRefPtrWillBeRawPtr<ScriptCallStack> createScriptCallStack(size_t maxStackSize, bool emptyStackIsAllowed) |
| { |
| v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
| if (!isolate->InContext()) |
| return nullptr; |
| v8::HandleScope handleScope(isolate); |
| v8::Handle<v8::StackTrace> stackTrace(v8::StackTrace::CurrentStackTrace(isolate, maxStackSize, stackTraceOptions)); |
| return createScriptCallStack(stackTrace, maxStackSize, emptyStackIsAllowed, isolate); |
| } |
| |
| PassRefPtrWillBeRawPtr<ScriptCallStack> createScriptCallStackForConsole(size_t maxStackSize, bool emptyStackIsAllowed) |
| { |
| size_t stackSize = 1; |
| if (InspectorInstrumentation::hasFrontends()) { |
| v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
| if (!isolate->InContext()) |
| return nullptr; |
| if (InspectorInstrumentation::consoleAgentEnabled(currentExecutionContext(isolate))) |
| stackSize = maxStackSize; |
| } |
| return createScriptCallStack(stackSize, emptyStackIsAllowed); |
| } |
| |
| PassRefPtrWillBeRawPtr<ScriptArguments> createScriptArguments(ScriptState* scriptState, const v8::FunctionCallbackInfo<v8::Value>& v8arguments, unsigned skipArgumentCount) |
| { |
| Vector<ScriptValue> arguments; |
| for (int i = skipArgumentCount; i < v8arguments.Length(); ++i) |
| arguments.append(ScriptValue(scriptState, v8arguments[i])); |
| |
| return ScriptArguments::create(scriptState, arguments); |
| } |
| |
| } // namespace blink |