SkipPauseRequest DebuggerImpl::EvaluateConditionOnBreakpoint()

in lib/Debugger.ProtocolHandler/DebuggerImpl.cpp [473:525]
46 lines of code
10 McCabe index (conditional complexity)

    SkipPauseRequest DebuggerImpl::EvaluateConditionOnBreakpoint(int bpId)
    {
        if (bpId < 0)
        {
            return SkipPauseRequest::RequestNoSkip;
        }

        DebuggerBreakpoint *bp = nullptr;
        auto it = m_breakpointMap.begin();
        while (it != m_breakpointMap.end())
        {
            if (it->second.GetActualId() == bpId)
            {
                bp = &it->second;
                break;
            }
            it++;
        }

        if (bp == nullptr)
        {
            return SkipPauseRequest::RequestNoSkip;
        }

        try
        {
            String condition = bp->GetCondition();
            if (condition.length() != 0)
            {
                DebuggerCallFrame callFrame = m_debugger->GetCallFrame(0);
                std::unique_ptr<ExceptionDetails> exceptionDetails;
                JsValueRef expressionStr = JS_INVALID_REFERENCE;
                if (JsCreateStringUtf16(condition.characters16(), condition.length(), &expressionStr) == JsNoError)
                {
                    JsValueRef evalResult = JS_INVALID_REFERENCE;
                    JsErrorCode err = JsDiagEvaluate(expressionStr, 0, JsParseScriptAttributeNone, true, &evalResult);

                    // If the condition is provided, the debugger will stop only when the expression is evaluated to true
                    if (err == JsNoError && PropertyHelpers::GetPropertyBoolConvert(evalResult, PropertyHelpers::Names::Value))
                    {
                        return SkipPauseRequest::RequestNoSkip;
                    }
                }
                return SkipPauseRequest::RequestContinue;
            }
        }
        catch (const JsErrorException&)
        {
            // Ignoring the exception occurred on condition expression evaluation. May be there is a way to express this on debugger.
        }

        return SkipPauseRequest::RequestNoSkip;
    }