Ejemplo n.º 1
0
    virtual bool
    DoExecute (Args& command, CommandReturnObject &result)
    {
        // No need to check "frame" for validity as eFlagRequiresFrame ensures it is valid
        StackFrame *frame = m_exe_ctx.GetFramePtr();

        Stream &s = result.GetOutputStream();

        bool get_file_globals = true;
        
        // Be careful about the stack frame, if any summary formatter runs code, it might clear the StackFrameList
        // for the thread.  So hold onto a shared pointer to the frame so it stays alive.
        
        VariableList *variable_list = frame->GetVariableList (get_file_globals);

        VariableSP var_sp;
        ValueObjectSP valobj_sp;

        const char *name_cstr = NULL;
        size_t idx;
        
        TypeSummaryImplSP summary_format_sp;
        if (!m_option_variable.summary.IsCurrentValueEmpty())
            DataVisualization::NamedSummaryFormats::GetSummaryFormat(ConstString(m_option_variable.summary.GetCurrentValue()), summary_format_sp);
        else if (!m_option_variable.summary_string.IsCurrentValueEmpty())
            summary_format_sp.reset(new StringSummaryFormat(TypeSummaryImpl::Flags(),m_option_variable.summary_string.GetCurrentValue()));
        
        DumpValueObjectOptions options(m_varobj_options.GetAsDumpOptions(eLanguageRuntimeDescriptionDisplayVerbosityFull,eFormatDefault,summary_format_sp));
        
        if (variable_list)
        {
            const Format format = m_option_format.GetFormat();
            options.SetFormat(format);

            if (command.GetArgumentCount() > 0)
            {
                VariableList regex_var_list;

                // If we have any args to the variable command, we will make
                // variable objects from them...
                for (idx = 0; (name_cstr = command.GetArgumentAtIndex(idx)) != NULL; ++idx)
                {
                    if (m_option_variable.use_regex)
                    {
                        const size_t regex_start_index = regex_var_list.GetSize();
                        RegularExpression regex (name_cstr);
                        if (regex.Compile(name_cstr))
                        {
                            size_t num_matches = 0;
                            const size_t num_new_regex_vars = variable_list->AppendVariablesIfUnique(regex, 
                                                                                                     regex_var_list, 
                                                                                                     num_matches);
                            if (num_new_regex_vars > 0)
                            {
                                for (size_t regex_idx = regex_start_index, end_index = regex_var_list.GetSize();
                                     regex_idx < end_index;
                                     ++regex_idx)
                                {
                                    var_sp = regex_var_list.GetVariableAtIndex (regex_idx);
                                    if (var_sp)
                                    {
                                        valobj_sp = frame->GetValueObjectForFrameVariable (var_sp, m_varobj_options.use_dynamic);
                                        if (valobj_sp)
                                        {
//                                            if (format != eFormatDefault)
//                                                valobj_sp->SetFormat (format);
                                            
                                            if (m_option_variable.show_decl && var_sp->GetDeclaration ().GetFile())
                                            {
                                                bool show_fullpaths = false;
                                                bool show_module = true;
                                                if (var_sp->DumpDeclaration(&s, show_fullpaths, show_module))
                                                    s.PutCString (": ");
                                            }
                                            valobj_sp->Dump(result.GetOutputStream(),options);
                                        }
                                    }
                                }
                            }
                            else if (num_matches == 0)
                            {
                                result.GetErrorStream().Printf ("error: no variables matched the regular expression '%s'.\n", name_cstr);
                            }
                        }
                        else
                        {
                            char regex_error[1024];
                            if (regex.GetErrorAsCString(regex_error, sizeof(regex_error)))
                                result.GetErrorStream().Printf ("error: %s\n", regex_error);
                            else
                                result.GetErrorStream().Printf ("error: unknown regex error when compiling '%s'\n", name_cstr);
                        }
                    }
                    else // No regex, either exact variable names or variable expressions.
                    {
                        Error error;
                        uint32_t expr_path_options = StackFrame::eExpressionPathOptionCheckPtrVsMember |
                                                     StackFrame::eExpressionPathOptionsAllowDirectIVarAccess;
                        lldb::VariableSP var_sp;
                        valobj_sp = frame->GetValueForVariableExpressionPath (name_cstr, 
                                                                              m_varobj_options.use_dynamic, 
                                                                              expr_path_options,
                                                                              var_sp,
                                                                              error);
                        if (valobj_sp)
                        {
//                            if (format != eFormatDefault)
//                                valobj_sp->SetFormat (format);
                            if (m_option_variable.show_decl && var_sp && var_sp->GetDeclaration ().GetFile())
                            {
                                var_sp->GetDeclaration ().DumpStopContext (&s, false);
                                s.PutCString (": ");
                            }
                            
                            options.SetFormat(format);

                            Stream &output_stream = result.GetOutputStream();
                            options.SetRootValueObjectName(valobj_sp->GetParent() ? name_cstr : NULL);
                            valobj_sp->Dump(output_stream,options);
                        }
                        else
                        {
                            const char *error_cstr = error.AsCString(NULL);
                            if (error_cstr)
                                result.GetErrorStream().Printf("error: %s\n", error_cstr);
                            else
                                result.GetErrorStream().Printf ("error: unable to find any variable expression path that matches '%s'\n", name_cstr);
                        }
                    }
                }
            }
            else // No command arg specified.  Use variable_list, instead.
            {
                const size_t num_variables = variable_list->GetSize();
                if (num_variables > 0)
                {
                    for (size_t i=0; i<num_variables; i++)
                    {
                        var_sp = variable_list->GetVariableAtIndex(i);
                        bool dump_variable = true;
                        std::string scope_string;
                        switch (var_sp->GetScope())
                        {
                            case eValueTypeVariableGlobal:
                                dump_variable = m_option_variable.show_globals;
                                if (dump_variable && m_option_variable.show_scope)
                                    scope_string = "GLOBAL: ";
                                break;

                            case eValueTypeVariableStatic:
                                dump_variable = m_option_variable.show_globals;
                                if (dump_variable && m_option_variable.show_scope)
                                    scope_string = "STATIC: ";
                                break;

                            case eValueTypeVariableArgument:
                                dump_variable = m_option_variable.show_args;
                                if (dump_variable && m_option_variable.show_scope)
                                    scope_string = "   ARG: ";
                                break;

                            case eValueTypeVariableLocal:
                                dump_variable = m_option_variable.show_locals;
                                if (dump_variable && m_option_variable.show_scope)
                                    scope_string = " LOCAL: ";
                                break;

                            default:
                                break;
                        }

                        if (dump_variable)
                        {
                            // Use the variable object code to make sure we are
                            // using the same APIs as the the public API will be
                            // using...
                            valobj_sp = frame->GetValueObjectForFrameVariable (var_sp, 
                                                                               m_varobj_options.use_dynamic);
                            if (valobj_sp)
                            {
//                                if (format != eFormatDefault)
//                                    valobj_sp->SetFormat (format);

                                // When dumping all variables, don't print any variables
                                // that are not in scope to avoid extra unneeded output
                                if (valobj_sp->IsInScope ())
                                {
                                    if (false == valobj_sp->GetTargetSP()->GetDisplayRuntimeSupportValues() &&
                                        true == valobj_sp->IsRuntimeSupportValue())
                                        continue;
                                    
                                    if (!scope_string.empty())
                                        s.PutCString(scope_string.c_str());
                                    
                                    if (m_option_variable.show_decl && var_sp->GetDeclaration ().GetFile())
                                    {
                                        var_sp->GetDeclaration ().DumpStopContext (&s, false);
                                        s.PutCString (": ");
                                    }
                                    
                                    options.SetFormat(format);
                                    options.SetRootValueObjectName(name_cstr);
                                    valobj_sp->Dump(result.GetOutputStream(),options);
                                }
                            }
                        }
                    }
                }
            }
            result.SetStatus (eReturnStatusSuccessFinishResult);
        }
        
        if (m_interpreter.TruncationWarningNecessary())
        {
            result.GetOutputStream().Printf(m_interpreter.TruncationWarningText(),
                                            m_cmd_name.c_str());
            m_interpreter.TruncationWarningGiven();
        }
        
        return result.Succeeded();
    }
Ejemplo n.º 2
0
    virtual bool
    DoExecute (Args& command, CommandReturnObject &result)
    {
        ExecutionContext exe_ctx(m_interpreter.GetExecutionContext());
        StackFrame *frame = exe_ctx.GetFramePtr();
        if (frame == NULL)
        {
            result.AppendError ("you must be stopped in a valid stack frame to view frame variables.");
            result.SetStatus (eReturnStatusFailed);
            return false;
        }

        Stream &s = result.GetOutputStream();

        bool get_file_globals = true;
        
        // Be careful about the stack frame, if any summary formatter runs code, it might clear the StackFrameList
        // for the thread.  So hold onto a shared pointer to the frame so it stays alive.
        
        VariableList *variable_list = frame->GetVariableList (get_file_globals);

        VariableSP var_sp;
        ValueObjectSP valobj_sp;

        const char *name_cstr = NULL;
        size_t idx;
        
        TypeSummaryImplSP summary_format_sp;
        if (!m_option_variable.summary.IsCurrentValueEmpty())
            DataVisualization::NamedSummaryFormats::GetSummaryFormat(ConstString(m_option_variable.summary.GetCurrentValue()), summary_format_sp);
        else if (!m_option_variable.summary_string.IsCurrentValueEmpty())
            summary_format_sp.reset(new StringSummaryFormat(TypeSummaryImpl::Flags(),m_option_variable.summary_string.GetCurrentValue()));
        
        ValueObject::DumpValueObjectOptions options;
        
        options.SetMaximumPointerDepth(m_varobj_options.ptr_depth)
            .SetMaximumDepth(m_varobj_options.max_depth)
            .SetShowTypes(m_varobj_options.show_types)
            .SetShowLocation(m_varobj_options.show_location)
            .SetUseObjectiveC(m_varobj_options.use_objc)
            .SetUseDynamicType(m_varobj_options.use_dynamic)
            .SetUseSyntheticValue(m_varobj_options.use_synth)
            .SetFlatOutput(m_varobj_options.flat_output)
            .SetOmitSummaryDepth(m_varobj_options.no_summary_depth)
            .SetIgnoreCap(m_varobj_options.ignore_cap)
            .SetSummary(summary_format_sp);

        if (m_varobj_options.be_raw)
            options.SetRawDisplay(true);
        
        if (variable_list)
        {
            const Format format = m_option_format.GetFormat();
            options.SetFormat(format);

            if (command.GetArgumentCount() > 0)
            {
                VariableList regex_var_list;

                // If we have any args to the variable command, we will make
                // variable objects from them...
                for (idx = 0; (name_cstr = command.GetArgumentAtIndex(idx)) != NULL; ++idx)
                {
                    if (m_option_variable.use_regex)
                    {
                        const uint32_t regex_start_index = regex_var_list.GetSize();
                        RegularExpression regex (name_cstr);
                        if (regex.Compile(name_cstr))
                        {
                            size_t num_matches = 0;
                            const size_t num_new_regex_vars = variable_list->AppendVariablesIfUnique(regex, 
                                                                                                     regex_var_list, 
                                                                                                     num_matches);
                            if (num_new_regex_vars > 0)
                            {
                                for (uint32_t regex_idx = regex_start_index, end_index = regex_var_list.GetSize(); 
                                     regex_idx < end_index;
                                     ++regex_idx)
                                {
                                    var_sp = regex_var_list.GetVariableAtIndex (regex_idx);
                                    if (var_sp)
                                    {
                                        valobj_sp = frame->GetValueObjectForFrameVariable (var_sp, m_varobj_options.use_dynamic);
                                        if (valobj_sp)
                                        {
//                                            if (format != eFormatDefault)
//                                                valobj_sp->SetFormat (format);
                                            
                                            if (m_option_variable.show_decl && var_sp->GetDeclaration ().GetFile())
                                            {
                                                bool show_fullpaths = false;
                                                bool show_module = true;
                                                if (var_sp->DumpDeclaration(&s, show_fullpaths, show_module))
                                                    s.PutCString (": ");
                                            }
                                            ValueObject::DumpValueObject (result.GetOutputStream(), 
                                                                          valobj_sp.get(),
                                                                          options);
                                        }
                                    }
                                }
                            }
                            else if (num_matches == 0)
                            {
                                result.GetErrorStream().Printf ("error: no variables matched the regular expression '%s'.\n", name_cstr);
                            }
                        }
                        else
                        {
                            char regex_error[1024];
                            if (regex.GetErrorAsCString(regex_error, sizeof(regex_error)))
                                result.GetErrorStream().Printf ("error: %s\n", regex_error);
                            else
                                result.GetErrorStream().Printf ("error: unkown regex error when compiling '%s'\n", name_cstr);
                        }
                    }
                    else // No regex, either exact variable names or variable expressions.
                    {
                        Error error;
                        uint32_t expr_path_options = StackFrame::eExpressionPathOptionCheckPtrVsMember |
                                                     StackFrame::eExpressionPathOptionsAllowDirectIVarAccess;
                        lldb::VariableSP var_sp;
                        valobj_sp = frame->GetValueForVariableExpressionPath (name_cstr, 
                                                                              m_varobj_options.use_dynamic, 
                                                                              expr_path_options,
                                                                              var_sp,
                                                                              error);
                        if (valobj_sp)
                        {
//                            if (format != eFormatDefault)
//                                valobj_sp->SetFormat (format);
                            if (m_option_variable.show_decl && var_sp && var_sp->GetDeclaration ().GetFile())
                            {
                                var_sp->GetDeclaration ().DumpStopContext (&s, false);
                                s.PutCString (": ");
                            }
                            
                            options.SetFormat(format);

                            Stream &output_stream = result.GetOutputStream();
                            options.SetRootValueObjectName(valobj_sp->GetParent() ? name_cstr : NULL);
                            ValueObject::DumpValueObject (output_stream, 
                                                          valobj_sp.get(), 
                                                          options);
                        }
                        else
                        {
                            const char *error_cstr = error.AsCString(NULL);
                            if (error_cstr)
                                result.GetErrorStream().Printf("error: %s\n", error_cstr);
                            else
                                result.GetErrorStream().Printf ("error: unable to find any variable expression path that matches '%s'\n", name_cstr);
                        }
                    }
                }
            }
            else // No command arg specified.  Use variable_list, instead.
            {
                const uint32_t num_variables = variable_list->GetSize();
                if (num_variables > 0)
                {
                    for (uint32_t i=0; i<num_variables; i++)
                    {
                        var_sp = variable_list->GetVariableAtIndex(i);
                        bool dump_variable = true;
                        switch (var_sp->GetScope())
                        {
                            case eValueTypeVariableGlobal:
                                dump_variable = m_option_variable.show_globals;
                                if (dump_variable && m_option_variable.show_scope)
                                    s.PutCString("GLOBAL: ");
                                break;

                            case eValueTypeVariableStatic:
                                dump_variable = m_option_variable.show_globals;
                                if (dump_variable && m_option_variable.show_scope)
                                    s.PutCString("STATIC: ");
                                break;

                            case eValueTypeVariableArgument:
                                dump_variable = m_option_variable.show_args;
                                if (dump_variable && m_option_variable.show_scope)
                                    s.PutCString("   ARG: ");
                                break;

                            case eValueTypeVariableLocal:
                                dump_variable = m_option_variable.show_locals;
                                if (dump_variable && m_option_variable.show_scope)
                                    s.PutCString(" LOCAL: ");
                                break;

                            default:
                                break;
                        }

                        if (dump_variable)
                        {
                            // Use the variable object code to make sure we are
                            // using the same APIs as the the public API will be
                            // using...
                            valobj_sp = frame->GetValueObjectForFrameVariable (var_sp, 
                                                                               m_varobj_options.use_dynamic);
                            if (valobj_sp)
                            {
//                                if (format != eFormatDefault)
//                                    valobj_sp->SetFormat (format);

                                // When dumping all variables, don't print any variables
                                // that are not in scope to avoid extra unneeded output
                                if (valobj_sp->IsInScope ())
                                {
                                    if (m_option_variable.show_decl && var_sp->GetDeclaration ().GetFile())
                                    {
                                        var_sp->GetDeclaration ().DumpStopContext (&s, false);
                                        s.PutCString (": ");
                                    }
                                    
                                    options.SetFormat(format);
                                    options.SetRootValueObjectName(name_cstr);
                                    ValueObject::DumpValueObject (result.GetOutputStream(), 
                                                                  valobj_sp.get(), 
                                                                  options);
                                }
                            }
                        }
                    }
                }
            }
            result.SetStatus (eReturnStatusSuccessFinishResult);
        }
        
        if (m_interpreter.TruncationWarningNecessary())
        {
            result.GetOutputStream().Printf(m_interpreter.TruncationWarningText(),
                                            m_cmd_name.c_str());
            m_interpreter.TruncationWarningGiven();
        }
        
        return result.Succeeded();
    }