JavaScriptCallFrame.cpp [plain text]
#include "config.h"
#include "JavaScriptCallFrame.h"
#if ENABLE(JAVASCRIPT_DEBUGGER)
#include "V8Binding.h"
namespace WebCore {
JavaScriptCallFrame::JavaScriptCallFrame(v8::Handle<v8::Context> debuggerContext, v8::Handle<v8::Object> callFrame)
: m_debuggerContext(debuggerContext)
, m_callFrame(callFrame)
{
}
JavaScriptCallFrame::~JavaScriptCallFrame()
{
}
JavaScriptCallFrame* JavaScriptCallFrame::caller()
{
if (!m_caller) {
v8::HandleScope handleScope;
v8::Context::Scope contextScope(m_debuggerContext.get());
v8::Handle<v8::Value> callerFrame = m_callFrame.get()->Get(v8String("caller"));
if (!callerFrame->IsObject())
return 0;
m_caller = JavaScriptCallFrame::create(m_debuggerContext.get(), v8::Handle<v8::Object>::Cast(callerFrame));
}
return m_caller.get();
}
int JavaScriptCallFrame::sourceID() const
{
v8::HandleScope handleScope;
v8::Context::Scope contextScope(m_debuggerContext.get());
v8::Handle<v8::Value> result = m_callFrame.get()->Get(v8String("sourceID"));
if (result->IsInt32())
return result->Int32Value();
return 0;
}
int JavaScriptCallFrame::line() const
{
v8::HandleScope handleScope;
v8::Context::Scope contextScope(m_debuggerContext.get());
v8::Handle<v8::Value> result = m_callFrame.get()->Get(v8String("line"));
if (result->IsInt32())
return result->Int32Value();
return 0;
}
int JavaScriptCallFrame::column() const
{
v8::HandleScope handleScope;
v8::Context::Scope contextScope(m_debuggerContext.get());
v8::Handle<v8::Value> result = m_callFrame.get()->Get(v8String("column"));
if (result->IsInt32())
return result->Int32Value();
return 0;
}
String JavaScriptCallFrame::functionName() const
{
v8::HandleScope handleScope;
v8::Context::Scope contextScope(m_debuggerContext.get());
v8::Handle<v8::Value> result = m_callFrame.get()->Get(v8String("functionName"));
return toWebCoreStringWithNullOrUndefinedCheck(result);
}
v8::Handle<v8::Value> JavaScriptCallFrame::scopeChain() const
{
v8::Handle<v8::Array> scopeChain = v8::Handle<v8::Array>::Cast(m_callFrame.get()->Get(v8String("scopeChain")));
v8::Handle<v8::Array> result = v8::Array::New(scopeChain->Length());
for (uint32_t i = 0; i < scopeChain->Length(); i++)
result->Set(i, scopeChain->Get(i));
return result;
}
int JavaScriptCallFrame::scopeType(int scopeIndex) const
{
v8::Handle<v8::Array> scopeType = v8::Handle<v8::Array>::Cast(m_callFrame.get()->Get(v8String("scopeType")));
return scopeType->Get(scopeIndex)->Int32Value();
}
v8::Handle<v8::Value> JavaScriptCallFrame::thisObject() const
{
return m_callFrame.get()->Get(v8String("thisObject"));
}
v8::Handle<v8::Value> JavaScriptCallFrame::evaluate(const String& expression)
{
v8::Handle<v8::Function> evalFunction = v8::Handle<v8::Function>::Cast(m_callFrame.get()->Get(v8String("evaluate")));
v8::Handle<v8::Value> argv[] = { v8String(expression) };
return evalFunction->Call(m_callFrame.get(), 1, argv);
}
}
#endif // ENABLE(JAVASCRIPT_DEBUGGER)