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C++ ValueObjectSP::GetValueAsCString方法代码示例

本文整理汇总了C++中lldb::ValueObjectSP::GetValueAsCString方法的典型用法代码示例。如果您正苦于以下问题：C++ ValueObjectSP::GetValueAsCString方法的具体用法？C++ ValueObjectSP::GetValueAsCString怎么用？C++ ValueObjectSP::GetValueAsCString使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类lldb::ValueObjectSP的用法示例。


在下文中一共展示了ValueObjectSP::GetValueAsCString方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: user_expression_sp


//.........这里部分代码省略.........
    if (options.InvokeCancelCallback (lldb::eExpressionEvaluationParse))
    {
        error.SetErrorString ("expression interrupted by callback before parse");
        result_valobj_sp = ValueObjectConstResult::Create (exe_ctx.GetBestExecutionContextScope(), error);
        return lldb::eExpressionInterrupted;
    }

    if (!user_expression_sp->Parse (error_stream,
                                    exe_ctx,
                                    execution_policy,
                                    keep_expression_in_memory,
                                    generate_debug_info))
    {
        if (error_stream.GetString().empty())
            error.SetExpressionError (lldb::eExpressionParseError, "expression failed to parse, unknown error");
        else
            error.SetExpressionError (lldb::eExpressionParseError, error_stream.GetString().c_str());
    }
    else
    {
        lldb::ClangExpressionVariableSP expr_result;

        if (execution_policy == eExecutionPolicyNever &&
            !user_expression_sp->CanInterpret())
        {
            if (log)
                log->Printf("== [ClangUserExpression::Evaluate] Expression may not run, but is not constant ==");

            if (error_stream.GetString().empty())
                error.SetExpressionError (lldb::eExpressionSetupError, "expression needed to run but couldn't");
        }
        else
        {
            if (options.InvokeCancelCallback (lldb::eExpressionEvaluationExecution))
            {
                error.SetExpressionError (lldb::eExpressionInterrupted, "expression interrupted by callback before execution");
                result_valobj_sp = ValueObjectConstResult::Create (exe_ctx.GetBestExecutionContextScope(), error);
                return lldb::eExpressionInterrupted;
            }

            error_stream.GetString().clear();

            if (log)
                log->Printf("== [ClangUserExpression::Evaluate] Executing expression ==");

            execution_results = user_expression_sp->Execute (error_stream,
                                                             exe_ctx,
                                                             options,
                                                             user_expression_sp,
                                                             expr_result);

            if (options.GetResultIsInternal())
            {
                process->GetTarget().GetPersistentVariables().RemovePersistentVariable (expr_result);
            }

            if (execution_results != lldb::eExpressionCompleted)
            {
                if (log)
                    log->Printf("== [ClangUserExpression::Evaluate] Execution completed abnormally ==");

                if (error_stream.GetString().empty())
                    error.SetExpressionError (execution_results, "expression failed to execute, unknown error");
                else
                    error.SetExpressionError (execution_results, error_stream.GetString().c_str());
            }
            else
            {
                if (expr_result)
                {
                    result_valobj_sp = expr_result->GetValueObject();

                    if (log)
                        log->Printf("== [ClangUserExpression::Evaluate] Execution completed normally with result %s ==",
                                    result_valobj_sp->GetValueAsCString());
                }
                else
                {
                    if (log)
                        log->Printf("== [ClangUserExpression::Evaluate] Execution completed normally with no result ==");

                    error.SetError(ClangUserExpression::kNoResult, lldb::eErrorTypeGeneric);
                }
            }
        }
    }

    if (options.InvokeCancelCallback(lldb::eExpressionEvaluationComplete))
    {
        error.SetExpressionError (lldb::eExpressionInterrupted, "expression interrupted by callback after complete");
        return lldb::eExpressionInterrupted;
    }

    if (result_valobj_sp.get() == NULL)
    {
        result_valobj_sp = ValueObjectConstResult::Create (exe_ctx.GetBestExecutionContextScope(), error);
    }

    return execution_results;
}
开发者ID:jashank，项目名称:freebsd，代码行数:101，代码来源:ClangUserExpression.cpp

示例2: execution_thread_pusher


//.........这里部分代码省略.........
        if (!parse_success)
        {
            if (!fixed_expression->empty() && target->GetEnableNotifyAboutFixIts())
            {
                error.SetExpressionErrorWithFormat(execution_results, "expression failed to parse, fixed expression suggested:\n  %s",
                                                   fixed_expression->c_str());
            }
            else
            {
                if (!diagnostic_manager.Diagnostics().size())
                    error.SetExpressionError(execution_results, "expression failed to parse, unknown error");
                else
                    error.SetExpressionError(execution_results, diagnostic_manager.GetString().c_str());
            }
        }
    }
    
    if (parse_success)
    {
        // If a pointer to a lldb::ModuleSP was passed in, return the JIT'ed module if one was created
        if (jit_module_sp_ptr)
            *jit_module_sp_ptr = user_expression_sp->GetJITModule();

        lldb::ExpressionVariableSP expr_result;

        if (execution_policy == eExecutionPolicyNever &&
            !user_expression_sp->CanInterpret())
        {
            if (log)
                log->Printf("== [UserExpression::Evaluate] Expression may not run, but is not constant ==");

            if (!diagnostic_manager.Diagnostics().size())
                error.SetExpressionError(lldb::eExpressionSetupError, "expression needed to run but couldn't");
        }
        else if (execution_policy == eExecutionPolicyTopLevel)
        {
            error.SetError(UserExpression::kNoResult, lldb::eErrorTypeGeneric);
            return lldb::eExpressionCompleted;
        }
        else
        {
            if (options.InvokeCancelCallback (lldb::eExpressionEvaluationExecution))
            {
                error.SetExpressionError (lldb::eExpressionInterrupted, "expression interrupted by callback before execution");
                result_valobj_sp = ValueObjectConstResult::Create (exe_ctx.GetBestExecutionContextScope(), error);
                return lldb::eExpressionInterrupted;
            }

            diagnostic_manager.Clear();

            if (log)
                log->Printf("== [UserExpression::Evaluate] Executing expression ==");

            execution_results =
                user_expression_sp->Execute(diagnostic_manager, exe_ctx, options, user_expression_sp, expr_result);

            if (execution_results != lldb::eExpressionCompleted)
            {
                if (log)
                    log->Printf("== [UserExpression::Evaluate] Execution completed abnormally ==");

                if (!diagnostic_manager.Diagnostics().size())
                    error.SetExpressionError(execution_results, "expression failed to execute, unknown error");
                else
                    error.SetExpressionError(execution_results, diagnostic_manager.GetString().c_str());
            }
            else
            {
                if (expr_result)
                {
                    result_valobj_sp = expr_result->GetValueObject();

                    if (log)
                        log->Printf("== [UserExpression::Evaluate] Execution completed normally with result %s ==",
                                    result_valobj_sp->GetValueAsCString());
                }
                else
                {
                    if (log)
                        log->Printf("== [UserExpression::Evaluate] Execution completed normally with no result ==");

                    error.SetError(UserExpression::kNoResult, lldb::eErrorTypeGeneric);
                }
            }
        }
    }

    if (options.InvokeCancelCallback(lldb::eExpressionEvaluationComplete))
    {
        error.SetExpressionError (lldb::eExpressionInterrupted, "expression interrupted by callback after complete");
        return lldb::eExpressionInterrupted;
    }

    if (result_valobj_sp.get() == NULL)
    {
        result_valobj_sp = ValueObjectConstResult::Create (exe_ctx.GetBestExecutionContextScope(), error);
    }

    return execution_results;
}
开发者ID:Aj0Ay，项目名称:lldb，代码行数:101，代码来源:UserExpression.cpp

示例3: user_expression_sp

ExecutionResults
ClangUserExpression::EvaluateWithError (ExecutionContext &exe_ctx,
                                        lldb_private::ExecutionPolicy execution_policy,
                                        lldb::LanguageType language,
                                        ResultType desired_type,
                                        bool unwind_on_error,
                                        bool ignore_breakpoints,
                                        const char *expr_cstr,
                                        const char *expr_prefix,
                                        lldb::ValueObjectSP &result_valobj_sp,
                                        Error &error,
                                        bool run_others,
                                        uint32_t timeout_usec)
{
    Log *log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_EXPRESSIONS | LIBLLDB_LOG_STEP));

    ExecutionResults execution_results = eExecutionSetupError;
    
    Process *process = exe_ctx.GetProcessPtr();

    if (process == NULL || process->GetState() != lldb::eStateStopped)
    {
        if (execution_policy == eExecutionPolicyAlways)
        {
            if (log)
                log->Printf("== [ClangUserExpression::Evaluate] Expression may not run, but is not constant ==");
            
            error.SetErrorString ("expression needed to run but couldn't");
            
            return execution_results;
        }
    }
    
    if (process == NULL || !process->CanJIT())
        execution_policy = eExecutionPolicyNever;
    
    ClangUserExpressionSP user_expression_sp (new ClangUserExpression (expr_cstr, expr_prefix, language, desired_type));

    StreamString error_stream;
        
    if (log)
        log->Printf("== [ClangUserExpression::Evaluate] Parsing expression %s ==", expr_cstr);
    
    const bool keep_expression_in_memory = true;
    
    if (!user_expression_sp->Parse (error_stream, exe_ctx, execution_policy, keep_expression_in_memory))
    {
        if (error_stream.GetString().empty())
            error.SetErrorString ("expression failed to parse, unknown error");
        else
            error.SetErrorString (error_stream.GetString().c_str());
    }
    else
    {
        lldb::ClangExpressionVariableSP expr_result;

        if (execution_policy == eExecutionPolicyNever &&
            !user_expression_sp->CanInterpret())
        {
            if (log)
                log->Printf("== [ClangUserExpression::Evaluate] Expression may not run, but is not constant ==");
            
            if (error_stream.GetString().empty())
                error.SetErrorString ("expression needed to run but couldn't");
        }
        else
        {    
            error_stream.GetString().clear();
            
            if (log)
                log->Printf("== [ClangUserExpression::Evaluate] Executing expression ==");

            execution_results = user_expression_sp->Execute (error_stream, 
                                                             exe_ctx, 
                                                             unwind_on_error,
                                                             ignore_breakpoints,
                                                             user_expression_sp, 
                                                             expr_result,
                                                             run_others,
                                                             timeout_usec);
            
            if (execution_results != eExecutionCompleted)
            {
                if (log)
                    log->Printf("== [ClangUserExpression::Evaluate] Execution completed abnormally ==");
                
                if (error_stream.GetString().empty())
                    error.SetErrorString ("expression failed to execute, unknown error");
                else
                    error.SetErrorString (error_stream.GetString().c_str());
            }
            else 
            {
                if (expr_result)
                {
                    result_valobj_sp = expr_result->GetValueObject();
                    
                    if (log)
                        log->Printf("== [ClangUserExpression::Evaluate] Execution completed normally with result %s ==", result_valobj_sp->GetValueAsCString());
                }
//.........这里部分代码省略.........
开发者ID:Narupol，项目名称:lldb，代码行数:101，代码来源:ClangUserExpression.cpp

示例4: if


//.........这里部分代码省略.........

    if (!user_expression_sp->Parse (error_stream,
                                    exe_ctx,
                                    execution_policy,
                                    keep_expression_in_memory,
                                    generate_debug_info,
                                    0))
    {
        execution_results = lldb::eExpressionParseError;
        if (error_stream.GetString().empty())
            error.SetExpressionError (execution_results, "expression failed to parse, unknown error");
        else
            error.SetExpressionError (execution_results, error_stream.GetString().c_str());
    }
    else
    {
        // If a pointer to a lldb::ModuleSP was passed in, return the JIT'ed module if one was created
        if (jit_module_sp_ptr)
            *jit_module_sp_ptr = user_expression_sp->GetJITModule();

        lldb::ExpressionVariableSP expr_result;

        if (execution_policy == eExecutionPolicyNever &&
            !user_expression_sp->CanInterpret())
        {
            if (log)
                log->Printf("== [UserExpression::Evaluate] Expression may not run, but is not constant ==");

            if (error_stream.GetString().empty())
                error.SetExpressionError (lldb::eExpressionSetupError, "expression needed to run but couldn't");
        }
        else
        {
            if (options.InvokeCancelCallback (lldb::eExpressionEvaluationExecution))
            {
                error.SetExpressionError (lldb::eExpressionInterrupted, "expression interrupted by callback before execution");
                result_valobj_sp = ValueObjectConstResult::Create (exe_ctx.GetBestExecutionContextScope(), error);
                return lldb::eExpressionInterrupted;
            }

            error_stream.GetString().clear();

            if (log)
                log->Printf("== [UserExpression::Evaluate] Executing expression ==");

            execution_results = user_expression_sp->Execute (error_stream,
                                                             exe_ctx,
                                                             options,
                                                             user_expression_sp,
                                                             expr_result);

            if (options.GetResultIsInternal() && expr_result && process)
            {
                process->GetTarget().GetPersistentExpressionStateForLanguage(language)->RemovePersistentVariable (expr_result);
            }

            if (execution_results != lldb::eExpressionCompleted)
            {
                if (log)
                    log->Printf("== [UserExpression::Evaluate] Execution completed abnormally ==");

                if (error_stream.GetString().empty())
                    error.SetExpressionError (execution_results, "expression failed to execute, unknown error");
                else
                    error.SetExpressionError (execution_results, error_stream.GetString().c_str());
            }
            else
            {
                if (expr_result)
                {
                    result_valobj_sp = expr_result->GetValueObject();

                    if (log)
                        log->Printf("== [UserExpression::Evaluate] Execution completed normally with result %s ==",
                                    result_valobj_sp->GetValueAsCString());
                }
                else
                {
                    if (log)
                        log->Printf("== [UserExpression::Evaluate] Execution completed normally with no result ==");

                    error.SetError(UserExpression::kNoResult, lldb::eErrorTypeGeneric);
                }
            }
        }
    }

    if (options.InvokeCancelCallback(lldb::eExpressionEvaluationComplete))
    {
        error.SetExpressionError (lldb::eExpressionInterrupted, "expression interrupted by callback after complete");
        return lldb::eExpressionInterrupted;
    }

    if (result_valobj_sp.get() == NULL)
    {
        result_valobj_sp = ValueObjectConstResult::Create (exe_ctx.GetBestExecutionContextScope(), error);
    }

    return execution_results;
}
开发者ID:wiltonlazary，项目名称:swift-lldb，代码行数:101，代码来源:UserExpression.cpp


注：本文中的lldb::ValueObjectSP::GetValueAsCString方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。