1 //===-- ValueObjectPrinter.cpp -----------------------------------*- C++-*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "lldb/DataFormatters/ValueObjectPrinter.h"
14 // Other libraries and framework includes
16 #include "lldb/Core/ValueObject.h"
17 #include "lldb/DataFormatters/DataVisualization.h"
18 #include "lldb/Interpreter/CommandInterpreter.h"
19 #include "lldb/Target/Language.h"
20 #include "lldb/Target/Target.h"
21 #include "lldb/Utility/Stream.h"
24 using namespace lldb_private;
26 ValueObjectPrinter::ValueObjectPrinter(ValueObject *valobj, Stream *s) {
28 DumpValueObjectOptions options(*valobj);
29 Init(valobj, s, options, m_options.m_max_ptr_depth, 0, nullptr);
31 DumpValueObjectOptions options;
32 Init(valobj, s, options, m_options.m_max_ptr_depth, 0, nullptr);
36 ValueObjectPrinter::ValueObjectPrinter(ValueObject *valobj, Stream *s,
37 const DumpValueObjectOptions &options) {
38 Init(valobj, s, options, m_options.m_max_ptr_depth, 0, nullptr);
41 ValueObjectPrinter::ValueObjectPrinter(
42 ValueObject *valobj, Stream *s, const DumpValueObjectOptions &options,
43 const DumpValueObjectOptions::PointerDepth &ptr_depth, uint32_t curr_depth,
44 InstancePointersSetSP printed_instance_pointers) {
45 Init(valobj, s, options, ptr_depth, curr_depth, printed_instance_pointers);
48 void ValueObjectPrinter::Init(
49 ValueObject *valobj, Stream *s, const DumpValueObjectOptions &options,
50 const DumpValueObjectOptions::PointerDepth &ptr_depth, uint32_t curr_depth,
51 InstancePointersSetSP printed_instance_pointers) {
52 m_orig_valobj = valobj;
56 m_ptr_depth = ptr_depth;
57 m_curr_depth = curr_depth;
58 assert(m_orig_valobj && "cannot print a NULL ValueObject");
59 assert(m_stream && "cannot print to a NULL Stream");
60 m_should_print = eLazyBoolCalculate;
61 m_is_nil = eLazyBoolCalculate;
62 m_is_uninit = eLazyBoolCalculate;
63 m_is_ptr = eLazyBoolCalculate;
64 m_is_ref = eLazyBoolCalculate;
65 m_is_aggregate = eLazyBoolCalculate;
66 m_is_instance_ptr = eLazyBoolCalculate;
67 m_summary_formatter = {nullptr, false};
71 m_val_summary_ok = false;
72 m_printed_instance_pointers =
73 printed_instance_pointers
74 ? printed_instance_pointers
75 : InstancePointersSetSP(new InstancePointersSet());
78 bool ValueObjectPrinter::PrintValueObject() {
79 if (!GetMostSpecializedValue() || m_valobj == nullptr)
82 if (ShouldPrintValueObject()) {
83 PrintValidationMarkerIfNeeded();
85 PrintLocationIfNeeded();
91 bool value_printed = false;
92 bool summary_printed = false;
95 PrintValueAndSummaryIfNeeded(value_printed, summary_printed);
98 PrintChildrenIfNeeded(value_printed, summary_printed);
102 PrintValidationErrorIfNeeded();
107 bool ValueObjectPrinter::GetMostSpecializedValue() {
110 bool update_success = m_orig_valobj->UpdateValueIfNeeded(true);
111 if (!update_success) {
112 m_valobj = m_orig_valobj;
114 if (m_orig_valobj->IsDynamic()) {
115 if (m_options.m_use_dynamic == eNoDynamicValues) {
116 ValueObject *static_value = m_orig_valobj->GetStaticValue().get();
118 m_valobj = static_value;
120 m_valobj = m_orig_valobj;
122 m_valobj = m_orig_valobj;
124 if (m_options.m_use_dynamic != eNoDynamicValues) {
125 ValueObject *dynamic_value =
126 m_orig_valobj->GetDynamicValue(m_options.m_use_dynamic).get();
128 m_valobj = dynamic_value;
130 m_valobj = m_orig_valobj;
132 m_valobj = m_orig_valobj;
135 if (m_valobj->IsSynthetic()) {
136 if (m_options.m_use_synthetic == false) {
137 ValueObject *non_synthetic = m_valobj->GetNonSyntheticValue().get();
139 m_valobj = non_synthetic;
142 if (m_options.m_use_synthetic == true) {
143 ValueObject *synthetic = m_valobj->GetSyntheticValue().get();
145 m_valobj = synthetic;
149 m_compiler_type = m_valobj->GetCompilerType();
150 m_type_flags = m_compiler_type.GetTypeInfo();
154 const char *ValueObjectPrinter::GetDescriptionForDisplay() {
155 const char *str = m_valobj->GetObjectDescription();
157 str = m_valobj->GetSummaryAsCString();
159 str = m_valobj->GetValueAsCString();
163 const char *ValueObjectPrinter::GetRootNameForDisplay(const char *if_fail) {
164 const char *root_valobj_name = m_options.m_root_valobj_name.empty()
165 ? m_valobj->GetName().AsCString()
166 : m_options.m_root_valobj_name.c_str();
167 return root_valobj_name ? root_valobj_name : if_fail;
170 bool ValueObjectPrinter::ShouldPrintValueObject() {
171 if (m_should_print == eLazyBoolCalculate)
173 (m_options.m_flat_output == false || m_type_flags.Test(eTypeHasValue))
176 return m_should_print == eLazyBoolYes;
179 bool ValueObjectPrinter::IsNil() {
180 if (m_is_nil == eLazyBoolCalculate)
181 m_is_nil = m_valobj->IsNilReference() ? eLazyBoolYes : eLazyBoolNo;
182 return m_is_nil == eLazyBoolYes;
185 bool ValueObjectPrinter::IsUninitialized() {
186 if (m_is_uninit == eLazyBoolCalculate)
188 m_valobj->IsUninitializedReference() ? eLazyBoolYes : eLazyBoolNo;
189 return m_is_uninit == eLazyBoolYes;
192 bool ValueObjectPrinter::IsPtr() {
193 if (m_is_ptr == eLazyBoolCalculate)
194 m_is_ptr = m_type_flags.Test(eTypeIsPointer) ? eLazyBoolYes : eLazyBoolNo;
195 return m_is_ptr == eLazyBoolYes;
198 bool ValueObjectPrinter::IsRef() {
199 if (m_is_ref == eLazyBoolCalculate)
200 m_is_ref = m_type_flags.Test(eTypeIsReference) ? eLazyBoolYes : eLazyBoolNo;
201 return m_is_ref == eLazyBoolYes;
204 bool ValueObjectPrinter::IsAggregate() {
205 if (m_is_aggregate == eLazyBoolCalculate)
207 m_type_flags.Test(eTypeHasChildren) ? eLazyBoolYes : eLazyBoolNo;
208 return m_is_aggregate == eLazyBoolYes;
211 bool ValueObjectPrinter::IsInstancePointer() {
212 // you need to do this check on the value's clang type
213 if (m_is_instance_ptr == eLazyBoolCalculate)
214 m_is_instance_ptr = (m_valobj->GetValue().GetCompilerType().GetTypeInfo() &
215 eTypeInstanceIsPointer) != 0
218 if ((eLazyBoolYes == m_is_instance_ptr) && m_valobj->IsBaseClass())
219 m_is_instance_ptr = eLazyBoolNo;
220 return m_is_instance_ptr == eLazyBoolYes;
223 bool ValueObjectPrinter::PrintLocationIfNeeded() {
224 if (m_options.m_show_location) {
225 m_stream->Printf("%s: ", m_valobj->GetLocationAsCString());
231 void ValueObjectPrinter::PrintDecl() {
232 bool show_type = true;
233 // if we are at the root-level and been asked to hide the root's type, then
235 if (m_curr_depth == 0 && m_options.m_hide_root_type)
238 // otherwise decide according to the usual rules (asked to show types -
239 // always at the root level)
240 show_type = m_options.m_show_types ||
241 (m_curr_depth == 0 && !m_options.m_flat_output);
243 StreamString typeName;
245 // always show the type at the root level if it is invalid
247 // Some ValueObjects don't have types (like registers sets). Only print
248 // the type if there is one to print
249 ConstString type_name;
250 if (m_compiler_type.IsValid()) {
251 if (m_options.m_use_type_display_name)
252 type_name = m_valobj->GetDisplayTypeName();
254 type_name = m_valobj->GetQualifiedTypeName();
256 // only show an invalid type name if the user explicitly triggered
258 if (m_options.m_show_types)
259 type_name = ConstString("<invalid type>");
265 std::string type_name_str(type_name.GetCString());
266 if (m_options.m_hide_pointer_value) {
267 for (auto iter = type_name_str.find(" *"); iter != std::string::npos;
268 iter = type_name_str.find(" *")) {
269 type_name_str.erase(iter, 2);
272 typeName.Printf("%s", type_name_str.c_str());
276 StreamString varName;
278 if (m_options.m_flat_output) {
279 // If we are showing types, also qualify the C++ base classes
280 const bool qualify_cxx_base_classes = show_type;
281 if (!m_options.m_hide_name) {
282 m_valobj->GetExpressionPath(varName, qualify_cxx_base_classes);
284 } else if (!m_options.m_hide_name) {
285 const char *name_cstr = GetRootNameForDisplay("");
286 varName.Printf("%s", name_cstr);
289 bool decl_printed = false;
290 if (!m_options.m_decl_printing_helper) {
291 // if the user didn't give us a custom helper, pick one based upon the
292 // language, either the one that this printer is bound to, or the preferred
293 // one for the ValueObject
294 lldb::LanguageType lang_type =
295 (m_options.m_varformat_language == lldb::eLanguageTypeUnknown)
296 ? m_valobj->GetPreferredDisplayLanguage()
297 : m_options.m_varformat_language;
298 if (Language *lang_plugin = Language::FindPlugin(lang_type)) {
299 m_options.m_decl_printing_helper = lang_plugin->GetDeclPrintingHelper();
303 if (m_options.m_decl_printing_helper) {
304 ConstString type_name_cstr(typeName.GetString());
305 ConstString var_name_cstr(varName.GetString());
307 StreamString dest_stream;
308 if (m_options.m_decl_printing_helper(type_name_cstr, var_name_cstr,
309 m_options, dest_stream)) {
311 m_stream->PutCString(dest_stream.GetString());
315 // if the helper failed, or there is none, do a default thing
317 if (!typeName.Empty())
318 m_stream->Printf("(%s) ", typeName.GetData());
319 if (!varName.Empty())
320 m_stream->Printf("%s =", varName.GetData());
321 else if (!m_options.m_hide_name)
322 m_stream->Printf(" =");
326 bool ValueObjectPrinter::CheckScopeIfNeeded() {
327 if (m_options.m_scope_already_checked)
329 return m_valobj->IsInScope();
332 TypeSummaryImpl *ValueObjectPrinter::GetSummaryFormatter(bool null_if_omitted) {
333 if (m_summary_formatter.second == false) {
334 TypeSummaryImpl *entry = m_options.m_summary_sp
335 ? m_options.m_summary_sp.get()
336 : m_valobj->GetSummaryFormat().get();
338 if (m_options.m_omit_summary_depth > 0)
340 m_summary_formatter.first = entry;
341 m_summary_formatter.second = true;
343 if (m_options.m_omit_summary_depth > 0 && null_if_omitted)
345 return m_summary_formatter.first;
348 static bool IsPointerValue(const CompilerType &type) {
349 Flags type_flags(type.GetTypeInfo());
350 if (type_flags.AnySet(eTypeInstanceIsPointer | eTypeIsPointer))
351 return type_flags.AllClear(eTypeIsBuiltIn);
355 void ValueObjectPrinter::GetValueSummaryError(std::string &value,
356 std::string &summary,
357 std::string &error) {
358 lldb::Format format = m_options.m_format;
359 // if I am printing synthetized elements, apply the format to those elements
361 if (m_options.m_pointer_as_array)
362 m_valobj->GetValueAsCString(lldb::eFormatDefault, value);
363 else if (format != eFormatDefault && format != m_valobj->GetFormat())
364 m_valobj->GetValueAsCString(format, value);
366 const char *val_cstr = m_valobj->GetValueAsCString();
368 value.assign(val_cstr);
370 const char *err_cstr = m_valobj->GetError().AsCString();
372 error.assign(err_cstr);
374 if (ShouldPrintValueObject()) {
376 summary.assign("nil");
377 else if (IsUninitialized())
378 summary.assign("<uninitialized>");
379 else if (m_options.m_omit_summary_depth == 0) {
380 TypeSummaryImpl *entry = GetSummaryFormatter();
382 m_valobj->GetSummaryAsCString(entry, summary,
383 m_options.m_varformat_language);
385 const char *sum_cstr =
386 m_valobj->GetSummaryAsCString(m_options.m_varformat_language);
388 summary.assign(sum_cstr);
394 bool ValueObjectPrinter::PrintValueAndSummaryIfNeeded(bool &value_printed,
395 bool &summary_printed) {
396 bool error_printed = false;
397 if (ShouldPrintValueObject()) {
398 if (!CheckScopeIfNeeded())
399 m_error.assign("out of scope");
400 if (m_error.empty()) {
401 GetValueSummaryError(m_value, m_summary, m_error);
403 if (m_error.size()) {
404 // we need to support scenarios in which it is actually fine for a value
406 // but - on the other hand - if we get an error *AND* have no type, we try
408 // gracefully, since most often that combination means "could not resolve
410 // and the default failure mode is quite ugly
411 if (!m_compiler_type.IsValid()) {
412 m_stream->Printf(" <could not resolve type>");
416 error_printed = true;
417 m_stream->Printf(" <%s>\n", m_error.c_str());
419 // Make sure we have a value and make sure the summary didn't
420 // specify that the value should not be printed - and do not print
421 // the value if this thing is nil
422 // (but show the value if the user passes a format explicitly)
423 TypeSummaryImpl *entry = GetSummaryFormatter();
424 if (!IsNil() && !IsUninitialized() && !m_value.empty() &&
425 (entry == NULL || (entry->DoesPrintValue(m_valobj) ||
426 m_options.m_format != eFormatDefault) ||
427 m_summary.empty()) &&
428 !m_options.m_hide_value) {
429 if (m_options.m_hide_pointer_value &&
430 IsPointerValue(m_valobj->GetCompilerType())) {
432 m_stream->Printf(" %s", m_value.c_str());
433 value_printed = true;
437 if (m_summary.size()) {
438 m_stream->Printf(" %s", m_summary.c_str());
439 summary_printed = true;
443 return !error_printed;
446 bool ValueObjectPrinter::PrintObjectDescriptionIfNeeded(bool value_printed,
447 bool summary_printed) {
448 if (ShouldPrintValueObject()) {
449 // let's avoid the overly verbose no description error for a nil thing
450 if (m_options.m_use_objc && !IsNil() && !IsUninitialized() &&
451 (!m_options.m_pointer_as_array)) {
452 if (!m_options.m_hide_value || !m_options.m_hide_name)
453 m_stream->Printf(" ");
454 const char *object_desc = nullptr;
455 if (value_printed || summary_printed)
456 object_desc = m_valobj->GetObjectDescription();
458 object_desc = GetDescriptionForDisplay();
459 if (object_desc && *object_desc) {
460 // If the description already ends with a \n don't add another one.
461 size_t object_end = strlen(object_desc) - 1;
462 if (object_desc[object_end] == '\n')
463 m_stream->Printf("%s", object_desc);
465 m_stream->Printf("%s\n", object_desc);
467 } else if (value_printed == false && summary_printed == false)
476 bool DumpValueObjectOptions::PointerDepth::CanAllowExpansion() const {
487 bool ValueObjectPrinter::ShouldPrintChildren(
488 bool is_failed_description,
489 DumpValueObjectOptions::PointerDepth &curr_ptr_depth) {
490 const bool is_ref = IsRef();
491 const bool is_ptr = IsPtr();
492 const bool is_uninit = IsUninitialized();
497 // if the user has specified an element count, always print children
498 // as it is explicit user demand being honored
499 if (m_options.m_pointer_as_array)
502 TypeSummaryImpl *entry = GetSummaryFormatter();
504 if (m_options.m_use_objc)
507 if (is_failed_description || m_curr_depth < m_options.m_max_depth) {
508 // We will show children for all concrete types. We won't show
509 // pointer contents unless a pointer depth has been specified.
510 // We won't reference contents unless the reference is the
511 // root object (depth of zero).
513 // Use a new temporary pointer depth in case we override the
514 // current pointer depth below...
516 if (is_ptr || is_ref) {
517 // We have a pointer or reference whose value is an address.
518 // Make sure that address is not NULL
519 AddressType ptr_address_type;
520 if (m_valobj->GetPointerValue(&ptr_address_type) == 0)
523 const bool is_root_level = m_curr_depth == 0;
525 if (is_ref && is_root_level) {
526 // If this is the root object (depth is zero) that we are showing
527 // and it is a reference, and no pointer depth has been supplied
528 // print out what it references. Don't do this at deeper depths
529 // otherwise we can end up with infinite recursion...
533 return curr_ptr_depth.CanAllowExpansion();
536 return (!entry || entry->DoesPrintChildren(m_valobj) || m_summary.empty());
541 bool ValueObjectPrinter::ShouldExpandEmptyAggregates() {
542 TypeSummaryImpl *entry = GetSummaryFormatter();
547 return entry->DoesPrintEmptyAggregates();
550 ValueObject *ValueObjectPrinter::GetValueObjectForChildrenGeneration() {
554 void ValueObjectPrinter::PrintChildrenPreamble() {
555 if (m_options.m_flat_output) {
556 if (ShouldPrintValueObject())
559 if (ShouldPrintValueObject())
560 m_stream->PutCString(IsRef() ? ": {\n" : " {\n");
561 m_stream->IndentMore();
565 void ValueObjectPrinter::PrintChild(
566 ValueObjectSP child_sp,
567 const DumpValueObjectOptions::PointerDepth &curr_ptr_depth) {
568 const uint32_t consumed_depth = (!m_options.m_pointer_as_array) ? 1 : 0;
569 const bool does_consume_ptr_depth =
570 ((IsPtr() && !m_options.m_pointer_as_array) || IsRef());
572 DumpValueObjectOptions child_options(m_options);
573 child_options.SetFormat(m_options.m_format)
575 .SetRootValueObjectName();
576 child_options.SetScopeChecked(true)
577 .SetHideName(m_options.m_hide_name)
578 .SetHideValue(m_options.m_hide_value)
579 .SetOmitSummaryDepth(child_options.m_omit_summary_depth > 1
580 ? child_options.m_omit_summary_depth -
585 if (child_sp.get()) {
586 ValueObjectPrinter child_printer(
587 child_sp.get(), m_stream, child_options,
588 does_consume_ptr_depth ? --curr_ptr_depth : curr_ptr_depth,
589 m_curr_depth + consumed_depth, m_printed_instance_pointers);
590 child_printer.PrintValueObject();
594 uint32_t ValueObjectPrinter::GetMaxNumChildrenToPrint(bool &print_dotdotdot) {
595 ValueObject *synth_m_valobj = GetValueObjectForChildrenGeneration();
597 if (m_options.m_pointer_as_array)
598 return m_options.m_pointer_as_array.m_element_count;
600 size_t num_children = synth_m_valobj->GetNumChildren();
601 print_dotdotdot = false;
603 const size_t max_num_children =
604 m_valobj->GetTargetSP()->GetMaximumNumberOfChildrenToDisplay();
606 if (num_children > max_num_children && !m_options.m_ignore_cap) {
607 print_dotdotdot = true;
608 return max_num_children;
614 void ValueObjectPrinter::PrintChildrenPostamble(bool print_dotdotdot) {
615 if (!m_options.m_flat_output) {
616 if (print_dotdotdot) {
617 m_valobj->GetTargetSP()
619 .GetCommandInterpreter()
620 .ChildrenTruncated();
621 m_stream->Indent("...\n");
623 m_stream->IndentLess();
624 m_stream->Indent("}\n");
628 bool ValueObjectPrinter::ShouldPrintEmptyBrackets(bool value_printed,
629 bool summary_printed) {
630 ValueObject *synth_m_valobj = GetValueObjectForChildrenGeneration();
635 if (m_options.m_reveal_empty_aggregates == false) {
636 if (value_printed || summary_printed)
640 if (synth_m_valobj->MightHaveChildren())
643 if (m_val_summary_ok)
649 static constexpr size_t PhysicalIndexForLogicalIndex(size_t base, size_t stride,
651 return base + logical * stride;
654 ValueObjectSP ValueObjectPrinter::GenerateChild(ValueObject *synth_valobj,
656 if (m_options.m_pointer_as_array) {
657 // if generating pointer-as-array children, use GetSyntheticArrayMember
658 return synth_valobj->GetSyntheticArrayMember(
659 PhysicalIndexForLogicalIndex(
660 m_options.m_pointer_as_array.m_base_element,
661 m_options.m_pointer_as_array.m_stride, idx),
664 // otherwise, do the usual thing
665 return synth_valobj->GetChildAtIndex(idx, true);
669 void ValueObjectPrinter::PrintChildren(
670 bool value_printed, bool summary_printed,
671 const DumpValueObjectOptions::PointerDepth &curr_ptr_depth) {
672 ValueObject *synth_m_valobj = GetValueObjectForChildrenGeneration();
674 bool print_dotdotdot = false;
675 size_t num_children = GetMaxNumChildrenToPrint(print_dotdotdot);
677 bool any_children_printed = false;
679 for (size_t idx = 0; idx < num_children; ++idx) {
680 if (ValueObjectSP child_sp = GenerateChild(synth_m_valobj, idx)) {
681 if (!any_children_printed) {
682 PrintChildrenPreamble();
683 any_children_printed = true;
685 PrintChild(child_sp, curr_ptr_depth);
689 if (any_children_printed)
690 PrintChildrenPostamble(print_dotdotdot);
692 if (ShouldPrintEmptyBrackets(value_printed, summary_printed)) {
693 if (ShouldPrintValueObject())
694 m_stream->PutCString(" {}\n");
700 } else if (ShouldPrintEmptyBrackets(value_printed, summary_printed)) {
701 // Aggregate, no children...
702 if (ShouldPrintValueObject()) {
703 // if it has a synthetic value, then don't print {}, the synthetic
704 // children are probably only being used to vend a value
705 if (m_valobj->DoesProvideSyntheticValue() ||
706 !ShouldExpandEmptyAggregates())
707 m_stream->PutCString("\n");
709 m_stream->PutCString(" {}\n");
712 if (ShouldPrintValueObject())
717 bool ValueObjectPrinter::PrintChildrenOneLiner(bool hide_names) {
718 if (!GetMostSpecializedValue() || m_valobj == nullptr)
721 ValueObject *synth_m_valobj = GetValueObjectForChildrenGeneration();
723 bool print_dotdotdot = false;
724 size_t num_children = GetMaxNumChildrenToPrint(print_dotdotdot);
727 m_stream->PutChar('(');
729 for (uint32_t idx = 0; idx < num_children; ++idx) {
730 lldb::ValueObjectSP child_sp(synth_m_valobj->GetChildAtIndex(idx, true));
732 child_sp = child_sp->GetQualifiedRepresentationIfAvailable(
733 m_options.m_use_dynamic, m_options.m_use_synthetic);
736 m_stream->PutCString(", ");
738 const char *name = child_sp.get()->GetName().AsCString();
740 m_stream->PutCString(name);
741 m_stream->PutCString(" = ");
744 child_sp->DumpPrintableRepresentation(
745 *m_stream, ValueObject::eValueObjectRepresentationStyleSummary,
747 ValueObject::PrintableRepresentationSpecialCases::eDisable);
752 m_stream->PutCString(", ...)");
754 m_stream->PutChar(')');
759 void ValueObjectPrinter::PrintChildrenIfNeeded(bool value_printed,
760 bool summary_printed) {
761 // this flag controls whether we tried to display a description for this
763 // if that happens, we want to display the children, if any
764 bool is_failed_description =
765 !PrintObjectDescriptionIfNeeded(value_printed, summary_printed);
767 auto curr_ptr_depth = m_ptr_depth;
768 bool print_children =
769 ShouldPrintChildren(is_failed_description, curr_ptr_depth);
771 (curr_ptr_depth.CanAllowExpansion() || m_options.m_show_types ||
772 !m_options.m_allow_oneliner_mode || m_options.m_flat_output ||
773 (m_options.m_pointer_as_array) || m_options.m_show_location)
775 : DataVisualization::ShouldPrintAsOneLiner(*m_valobj);
776 bool is_instance_ptr = IsInstancePointer();
777 uint64_t instance_ptr_value = LLDB_INVALID_ADDRESS;
779 if (print_children && is_instance_ptr) {
780 instance_ptr_value = m_valobj->GetValueAsUnsigned(0);
781 if (m_printed_instance_pointers->count(instance_ptr_value)) {
782 // we already printed this instance-is-pointer thing, so don't expand it
783 m_stream->PutCString(" {...}\n");
785 // we're done here - get out fast
788 m_printed_instance_pointers->emplace(
789 instance_ptr_value); // remember this guy for future reference
792 if (print_children) {
794 m_stream->PutChar(' ');
795 PrintChildrenOneLiner(false);
798 PrintChildren(value_printed, summary_printed, curr_ptr_depth);
799 } else if (m_curr_depth >= m_options.m_max_depth && IsAggregate() &&
800 ShouldPrintValueObject()) {
801 m_stream->PutCString("{...}\n");
806 bool ValueObjectPrinter::ShouldPrintValidation() {
807 return m_options.m_run_validator;
810 bool ValueObjectPrinter::PrintValidationMarkerIfNeeded() {
811 if (!ShouldPrintValidation())
814 m_validation = m_valobj->GetValidationStatus();
816 if (TypeValidatorResult::Failure == m_validation.first) {
817 m_stream->Printf("! ");
824 bool ValueObjectPrinter::PrintValidationErrorIfNeeded() {
825 if (!ShouldPrintValidation())
828 if (TypeValidatorResult::Success == m_validation.first)
831 if (m_validation.second.empty())
832 m_validation.second.assign("unknown error");
834 m_stream->Printf(" ! validation error: %s", m_validation.second.c_str());