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llvm-project/lldb/source/DataFormatters/FormatManager.cpp

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//===-- FormatManager.cpp ----------------------------------------*- C++-*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/DataFormatters/FormatManager.h"
#include "llvm/ADT/STLExtras.h"
#include "lldb/Core/Debugger.h"
#include "lldb/DataFormatters/FormattersHelpers.h"
#include "lldb/DataFormatters/LanguageCategory.h"
#include "lldb/Target/ExecutionContext.h"
#include "lldb/Target/Language.h"
#include "lldb/Utility/Log.h"
using namespace lldb;
using namespace lldb_private;
using namespace lldb_private::formatters;
struct FormatInfo {
Format format;
const char format_char; // One or more format characters that can be used for
// this format.
const char *format_name; // Long format name that can be used to specify the
// current format
};
static constexpr FormatInfo g_format_infos[] = {
{eFormatDefault, '\0', "default"},
{eFormatBoolean, 'B', "boolean"},
{eFormatBinary, 'b', "binary"},
{eFormatBytes, 'y', "bytes"},
{eFormatBytesWithASCII, 'Y', "bytes with ASCII"},
{eFormatChar, 'c', "character"},
{eFormatCharPrintable, 'C', "printable character"},
{eFormatComplexFloat, 'F', "complex float"},
{eFormatCString, 's', "c-string"},
{eFormatDecimal, 'd', "decimal"},
{eFormatEnum, 'E', "enumeration"},
{eFormatHex, 'x', "hex"},
{eFormatHexUppercase, 'X', "uppercase hex"},
{eFormatFloat, 'f', "float"},
{eFormatOctal, 'o', "octal"},
{eFormatOSType, 'O', "OSType"},
{eFormatUnicode16, 'U', "unicode16"},
{eFormatUnicode32, '\0', "unicode32"},
{eFormatUnsigned, 'u', "unsigned decimal"},
{eFormatPointer, 'p', "pointer"},
{eFormatVectorOfChar, '\0', "char[]"},
{eFormatVectorOfSInt8, '\0', "int8_t[]"},
{eFormatVectorOfUInt8, '\0', "uint8_t[]"},
{eFormatVectorOfSInt16, '\0', "int16_t[]"},
{eFormatVectorOfUInt16, '\0', "uint16_t[]"},
{eFormatVectorOfSInt32, '\0', "int32_t[]"},
{eFormatVectorOfUInt32, '\0', "uint32_t[]"},
{eFormatVectorOfSInt64, '\0', "int64_t[]"},
{eFormatVectorOfUInt64, '\0', "uint64_t[]"},
{eFormatVectorOfFloat16, '\0', "float16[]"},
{eFormatVectorOfFloat32, '\0', "float32[]"},
{eFormatVectorOfFloat64, '\0', "float64[]"},
{eFormatVectorOfUInt128, '\0', "uint128_t[]"},
{eFormatComplexInteger, 'I', "complex integer"},
{eFormatCharArray, 'a', "character array"},
{eFormatAddressInfo, 'A', "address"},
{eFormatHexFloat, '\0', "hex float"},
{eFormatInstruction, 'i', "instruction"},
{eFormatVoid, 'v', "void"},
{eFormatUnicode8, 'u', "unicode8"},
};
static_assert((sizeof(g_format_infos) / sizeof(g_format_infos[0])) ==
kNumFormats,
"All formats must have a corresponding info entry.");
static uint32_t g_num_format_infos = llvm::array_lengthof(g_format_infos);
static bool GetFormatFromFormatChar(char format_char, Format &format) {
for (uint32_t i = 0; i < g_num_format_infos; ++i) {
if (g_format_infos[i].format_char == format_char) {
format = g_format_infos[i].format;
return true;
}
}
format = eFormatInvalid;
return false;
}
static bool GetFormatFromFormatName(const char *format_name,
bool partial_match_ok, Format &format) {
uint32_t i;
for (i = 0; i < g_num_format_infos; ++i) {
if (strcasecmp(g_format_infos[i].format_name, format_name) == 0) {
format = g_format_infos[i].format;
return true;
}
}
if (partial_match_ok) {
for (i = 0; i < g_num_format_infos; ++i) {
if (strcasestr(g_format_infos[i].format_name, format_name) ==
g_format_infos[i].format_name) {
format = g_format_infos[i].format;
return true;
}
}
}
format = eFormatInvalid;
return false;
}
void FormatManager::Changed() {
++m_last_revision;
m_format_cache.Clear();
std::lock_guard<std::recursive_mutex> guard(m_language_categories_mutex);
for (auto &iter : m_language_categories_map) {
if (iter.second)
iter.second->GetFormatCache().Clear();
}
}
bool FormatManager::GetFormatFromCString(const char *format_cstr,
bool partial_match_ok,
lldb::Format &format) {
bool success = false;
if (format_cstr && format_cstr[0]) {
if (format_cstr[1] == '\0') {
success = GetFormatFromFormatChar(format_cstr[0], format);
if (success)
return true;
}
success = GetFormatFromFormatName(format_cstr, partial_match_ok, format);
}
if (!success)
format = eFormatInvalid;
return success;
}
char FormatManager::GetFormatAsFormatChar(lldb::Format format) {
for (uint32_t i = 0; i < g_num_format_infos; ++i) {
if (g_format_infos[i].format == format)
return g_format_infos[i].format_char;
}
return '\0';
}
const char *FormatManager::GetFormatAsCString(Format format) {
if (format >= eFormatDefault && format < kNumFormats)
return g_format_infos[format].format_name;
return nullptr;
}
void FormatManager::EnableAllCategories() {
m_categories_map.EnableAllCategories();
std::lock_guard<std::recursive_mutex> guard(m_language_categories_mutex);
for (auto &iter : m_language_categories_map) {
if (iter.second)
iter.second->Enable();
}
}
void FormatManager::DisableAllCategories() {
m_categories_map.DisableAllCategories();
std::lock_guard<std::recursive_mutex> guard(m_language_categories_mutex);
for (auto &iter : m_language_categories_map) {
if (iter.second)
iter.second->Disable();
}
}
void FormatManager::GetPossibleMatches(
ValueObject &valobj, CompilerType compiler_type, uint32_t reason,
lldb::DynamicValueType use_dynamic, FormattersMatchVector &entries,
bool did_strip_ptr, bool did_strip_ref, bool did_strip_typedef,
bool root_level) {
compiler_type = compiler_type.GetTypeForFormatters();
ConstString type_name(compiler_type.GetConstTypeName());
if (valobj.GetBitfieldBitSize() > 0) {
StreamString sstring;
sstring.Printf("%s:%d", type_name.AsCString(), valobj.GetBitfieldBitSize());
ConstString bitfieldname(sstring.GetString());
entries.push_back(
{bitfieldname, 0, did_strip_ptr, did_strip_ref, did_strip_typedef});
reason |= lldb_private::eFormatterChoiceCriterionStrippedBitField;
}
if (!compiler_type.IsMeaninglessWithoutDynamicResolution()) {
entries.push_back(
{type_name, reason, did_strip_ptr, did_strip_ref, did_strip_typedef});
ConstString display_type_name(compiler_type.GetDisplayTypeName());
if (display_type_name != type_name)
entries.push_back({display_type_name, reason, did_strip_ptr,
did_strip_ref, did_strip_typedef});
}
for (bool is_rvalue_ref = true, j = true;
j && compiler_type.IsReferenceType(nullptr, &is_rvalue_ref); j = false) {
CompilerType non_ref_type = compiler_type.GetNonReferenceType();
GetPossibleMatches(
valobj, non_ref_type,
reason |
lldb_private::eFormatterChoiceCriterionStrippedPointerReference,
use_dynamic, entries, did_strip_ptr, true, did_strip_typedef);
if (non_ref_type.IsTypedefType()) {
CompilerType deffed_referenced_type = non_ref_type.GetTypedefedType();
deffed_referenced_type =
is_rvalue_ref ? deffed_referenced_type.GetRValueReferenceType()
: deffed_referenced_type.GetLValueReferenceType();
GetPossibleMatches(
valobj, deffed_referenced_type,
reason | lldb_private::eFormatterChoiceCriterionNavigatedTypedefs,
use_dynamic, entries, did_strip_ptr, did_strip_ref,
true); // this is not exactly the usual meaning of stripping typedefs
}
}
if (compiler_type.IsPointerType()) {
CompilerType non_ptr_type = compiler_type.GetPointeeType();
GetPossibleMatches(
valobj, non_ptr_type,
reason |
lldb_private::eFormatterChoiceCriterionStrippedPointerReference,
use_dynamic, entries, true, did_strip_ref, did_strip_typedef);
if (non_ptr_type.IsTypedefType()) {
CompilerType deffed_pointed_type =
non_ptr_type.GetTypedefedType().GetPointerType();
GetPossibleMatches(
valobj, deffed_pointed_type,
reason | lldb_private::eFormatterChoiceCriterionNavigatedTypedefs,
use_dynamic, entries, did_strip_ptr, did_strip_ref,
true); // this is not exactly the usual meaning of stripping typedefs
}
}
for (lldb::LanguageType language_type : GetCandidateLanguages(valobj)) {
if (Language *language = Language::FindPlugin(language_type)) {
for (ConstString candidate :
language->GetPossibleFormattersMatches(valobj, use_dynamic)) {
entries.push_back(
{candidate,
reason | lldb_private::eFormatterChoiceCriterionLanguagePlugin,
did_strip_ptr, did_strip_ref, did_strip_typedef});
}
}
}
// try to strip typedef chains
if (compiler_type.IsTypedefType()) {
CompilerType deffed_type = compiler_type.GetTypedefedType();
GetPossibleMatches(
valobj, deffed_type,
reason | lldb_private::eFormatterChoiceCriterionNavigatedTypedefs,
use_dynamic, entries, did_strip_ptr, did_strip_ref, true);
}
if (root_level) {
do {
if (!compiler_type.IsValid())
break;
CompilerType unqual_compiler_ast_type =
compiler_type.GetFullyUnqualifiedType();
if (!unqual_compiler_ast_type.IsValid())
break;
if (unqual_compiler_ast_type.GetOpaqueQualType() !=
compiler_type.GetOpaqueQualType())
GetPossibleMatches(valobj, unqual_compiler_ast_type, reason,
use_dynamic, entries, did_strip_ptr, did_strip_ref,
did_strip_typedef);
} while (false);
// if all else fails, go to static type
if (valobj.IsDynamic()) {
lldb::ValueObjectSP static_value_sp(valobj.GetStaticValue());
if (static_value_sp)
GetPossibleMatches(
*static_value_sp.get(), static_value_sp->GetCompilerType(),
reason | lldb_private::eFormatterChoiceCriterionWentToStaticValue,
use_dynamic, entries, did_strip_ptr, did_strip_ref,
did_strip_typedef, true);
}
}
}
lldb::TypeFormatImplSP
FormatManager::GetFormatForType(lldb::TypeNameSpecifierImplSP type_sp) {
if (!type_sp)
return lldb::TypeFormatImplSP();
lldb::TypeFormatImplSP format_chosen_sp;
uint32_t num_categories = m_categories_map.GetCount();
lldb::TypeCategoryImplSP category_sp;
uint32_t prio_category = UINT32_MAX;
for (uint32_t category_id = 0; category_id < num_categories; category_id++) {
category_sp = GetCategoryAtIndex(category_id);
if (!category_sp->IsEnabled())
continue;
lldb::TypeFormatImplSP format_current_sp =
category_sp->GetFormatForType(type_sp);
if (format_current_sp &&
(format_chosen_sp.get() == nullptr ||
(prio_category > category_sp->GetEnabledPosition()))) {
prio_category = category_sp->GetEnabledPosition();
format_chosen_sp = format_current_sp;
}
}
return format_chosen_sp;
}
lldb::TypeSummaryImplSP
FormatManager::GetSummaryForType(lldb::TypeNameSpecifierImplSP type_sp) {
if (!type_sp)
return lldb::TypeSummaryImplSP();
lldb::TypeSummaryImplSP summary_chosen_sp;
uint32_t num_categories = m_categories_map.GetCount();
lldb::TypeCategoryImplSP category_sp;
uint32_t prio_category = UINT32_MAX;
for (uint32_t category_id = 0; category_id < num_categories; category_id++) {
category_sp = GetCategoryAtIndex(category_id);
if (!category_sp->IsEnabled())
continue;
lldb::TypeSummaryImplSP summary_current_sp =
category_sp->GetSummaryForType(type_sp);
if (summary_current_sp &&
(summary_chosen_sp.get() == nullptr ||
(prio_category > category_sp->GetEnabledPosition()))) {
prio_category = category_sp->GetEnabledPosition();
summary_chosen_sp = summary_current_sp;
}
}
return summary_chosen_sp;
}
lldb::TypeFilterImplSP
FormatManager::GetFilterForType(lldb::TypeNameSpecifierImplSP type_sp) {
if (!type_sp)
return lldb::TypeFilterImplSP();
lldb::TypeFilterImplSP filter_chosen_sp;
uint32_t num_categories = m_categories_map.GetCount();
lldb::TypeCategoryImplSP category_sp;
uint32_t prio_category = UINT32_MAX;
for (uint32_t category_id = 0; category_id < num_categories; category_id++) {
category_sp = GetCategoryAtIndex(category_id);
if (!category_sp->IsEnabled())
continue;
lldb::TypeFilterImplSP filter_current_sp(
(TypeFilterImpl *)category_sp->GetFilterForType(type_sp).get());
if (filter_current_sp &&
(filter_chosen_sp.get() == nullptr ||
(prio_category > category_sp->GetEnabledPosition()))) {
prio_category = category_sp->GetEnabledPosition();
filter_chosen_sp = filter_current_sp;
}
}
return filter_chosen_sp;
}
lldb::ScriptedSyntheticChildrenSP
FormatManager::GetSyntheticForType(lldb::TypeNameSpecifierImplSP type_sp) {
if (!type_sp)
return lldb::ScriptedSyntheticChildrenSP();
lldb::ScriptedSyntheticChildrenSP synth_chosen_sp;
uint32_t num_categories = m_categories_map.GetCount();
lldb::TypeCategoryImplSP category_sp;
uint32_t prio_category = UINT32_MAX;
for (uint32_t category_id = 0; category_id < num_categories; category_id++) {
category_sp = GetCategoryAtIndex(category_id);
if (!category_sp->IsEnabled())
continue;
lldb::ScriptedSyntheticChildrenSP synth_current_sp(
(ScriptedSyntheticChildren *)category_sp->GetSyntheticForType(type_sp)
.get());
if (synth_current_sp &&
(synth_chosen_sp.get() == nullptr ||
(prio_category > category_sp->GetEnabledPosition()))) {
prio_category = category_sp->GetEnabledPosition();
synth_chosen_sp = synth_current_sp;
}
}
return synth_chosen_sp;
}
lldb::TypeValidatorImplSP
FormatManager::GetValidatorForType(lldb::TypeNameSpecifierImplSP type_sp) {
if (!type_sp)
return lldb::TypeValidatorImplSP();
lldb::TypeValidatorImplSP validator_chosen_sp;
uint32_t num_categories = m_categories_map.GetCount();
lldb::TypeCategoryImplSP category_sp;
uint32_t prio_category = UINT32_MAX;
for (uint32_t category_id = 0; category_id < num_categories; category_id++) {
category_sp = GetCategoryAtIndex(category_id);
if (!category_sp->IsEnabled())
continue;
lldb::TypeValidatorImplSP validator_current_sp(
category_sp->GetValidatorForType(type_sp).get());
if (validator_current_sp &&
(validator_chosen_sp.get() == nullptr ||
(prio_category > category_sp->GetEnabledPosition()))) {
prio_category = category_sp->GetEnabledPosition();
validator_chosen_sp = validator_current_sp;
}
}
return validator_chosen_sp;
}
void FormatManager::ForEachCategory(TypeCategoryMap::ForEachCallback callback) {
m_categories_map.ForEach(callback);
std::lock_guard<std::recursive_mutex> guard(m_language_categories_mutex);
for (const auto &entry : m_language_categories_map) {
if (auto category_sp = entry.second->GetCategory()) {
if (!callback(category_sp))
break;
}
}
}
lldb::TypeCategoryImplSP
FormatManager::GetCategory(ConstString category_name, bool can_create) {
if (!category_name)
return GetCategory(m_default_category_name);
lldb::TypeCategoryImplSP category;
if (m_categories_map.Get(category_name, category))
return category;
if (!can_create)
return lldb::TypeCategoryImplSP();
m_categories_map.Add(
category_name,
lldb::TypeCategoryImplSP(new TypeCategoryImpl(this, category_name)));
return GetCategory(category_name);
}
lldb::Format FormatManager::GetSingleItemFormat(lldb::Format vector_format) {
switch (vector_format) {
case eFormatVectorOfChar:
return eFormatCharArray;
case eFormatVectorOfSInt8:
case eFormatVectorOfSInt16:
case eFormatVectorOfSInt32:
case eFormatVectorOfSInt64:
return eFormatDecimal;
case eFormatVectorOfUInt8:
case eFormatVectorOfUInt16:
case eFormatVectorOfUInt32:
case eFormatVectorOfUInt64:
case eFormatVectorOfUInt128:
return eFormatHex;
case eFormatVectorOfFloat16:
case eFormatVectorOfFloat32:
case eFormatVectorOfFloat64:
return eFormatFloat;
default:
return lldb::eFormatInvalid;
}
}
bool FormatManager::ShouldPrintAsOneLiner(ValueObject &valobj) {
// if settings say no oneline whatsoever
if (valobj.GetTargetSP().get() &&
!valobj.GetTargetSP()->GetDebugger().GetAutoOneLineSummaries())
return false; // then don't oneline
// if this object has a summary, then ask the summary
if (valobj.GetSummaryFormat().get() != nullptr)
return valobj.GetSummaryFormat()->IsOneLiner();
// no children, no party
if (valobj.GetNumChildren() == 0)
return false;
// ask the type if it has any opinion about this eLazyBoolCalculate == no
// opinion; other values should be self explanatory
CompilerType compiler_type(valobj.GetCompilerType());
if (compiler_type.IsValid()) {
switch (compiler_type.ShouldPrintAsOneLiner(&valobj)) {
case eLazyBoolNo:
return false;
case eLazyBoolYes:
return true;
case eLazyBoolCalculate:
break;
}
}
size_t total_children_name_len = 0;
for (size_t idx = 0; idx < valobj.GetNumChildren(); idx++) {
bool is_synth_val = false;
ValueObjectSP child_sp(valobj.GetChildAtIndex(idx, true));
// something is wrong here - bail out
if (!child_sp)
return false;
// also ask the child's type if it has any opinion
CompilerType child_compiler_type(child_sp->GetCompilerType());
if (child_compiler_type.IsValid()) {
switch (child_compiler_type.ShouldPrintAsOneLiner(child_sp.get())) {
case eLazyBoolYes:
// an opinion of yes is only binding for the child, so keep going
case eLazyBoolCalculate:
break;
case eLazyBoolNo:
// but if the child says no, then it's a veto on the whole thing
return false;
}
}
// if we decided to define synthetic children for a type, we probably care
// enough to show them, but avoid nesting children in children
if (child_sp->GetSyntheticChildren().get() != nullptr) {
ValueObjectSP synth_sp(child_sp->GetSyntheticValue());
// wait.. wat? just get out of here..
if (!synth_sp)
return false;
// but if we only have them to provide a value, keep going
if (!synth_sp->MightHaveChildren() &&
synth_sp->DoesProvideSyntheticValue())
is_synth_val = true;
else
return false;
}
total_children_name_len += child_sp->GetName().GetLength();
// 50 itself is a "randomly" chosen number - the idea is that
// overly long structs should not get this treatment
// FIXME: maybe make this a user-tweakable setting?
if (total_children_name_len > 50)
return false;
// if a summary is there..
if (child_sp->GetSummaryFormat()) {
// and it wants children, then bail out
if (child_sp->GetSummaryFormat()->DoesPrintChildren(child_sp.get()))
return false;
}
// if this child has children..
if (child_sp->GetNumChildren()) {
// ...and no summary...
// (if it had a summary and the summary wanted children, we would have
// bailed out anyway
// so this only makes us bail out if this has no summary and we would
// then print children)
if (!child_sp->GetSummaryFormat() && !is_synth_val) // but again only do
// that if not a
// synthetic valued
// child
return false; // then bail out
}
}
return true;
}
ConstString FormatManager::GetValidTypeName(ConstString type) {
return ::GetValidTypeName_Impl(type);
}
ConstString FormatManager::GetTypeForCache(ValueObject &valobj,
lldb::DynamicValueType use_dynamic) {
ValueObjectSP valobj_sp = valobj.GetQualifiedRepresentationIfAvailable(
use_dynamic, valobj.IsSynthetic());
if (valobj_sp && valobj_sp->GetCompilerType().IsValid()) {
if (!valobj_sp->GetCompilerType().IsMeaninglessWithoutDynamicResolution())
return valobj_sp->GetQualifiedTypeName();
}
return ConstString();
}
std::vector<lldb::LanguageType>
FormatManager::GetCandidateLanguages(ValueObject &valobj) {
lldb::LanguageType lang_type = valobj.GetObjectRuntimeLanguage();
return GetCandidateLanguages(lang_type);
}
std::vector<lldb::LanguageType>
FormatManager::GetCandidateLanguages(lldb::LanguageType lang_type) {
switch (lang_type) {
case lldb::eLanguageTypeC:
case lldb::eLanguageTypeC89:
case lldb::eLanguageTypeC99:
case lldb::eLanguageTypeC11:
case lldb::eLanguageTypeC_plus_plus:
case lldb::eLanguageTypeC_plus_plus_03:
case lldb::eLanguageTypeC_plus_plus_11:
case lldb::eLanguageTypeC_plus_plus_14:
return {lldb::eLanguageTypeC_plus_plus, lldb::eLanguageTypeObjC};
default:
return {lang_type};
}
}
LanguageCategory *
FormatManager::GetCategoryForLanguage(lldb::LanguageType lang_type) {
std::lock_guard<std::recursive_mutex> guard(m_language_categories_mutex);
auto iter = m_language_categories_map.find(lang_type),
end = m_language_categories_map.end();
if (iter != end)
return iter->second.get();
LanguageCategory *lang_category = new LanguageCategory(lang_type);
m_language_categories_map[lang_type] =
LanguageCategory::UniquePointer(lang_category);
return lang_category;
}
lldb::TypeFormatImplSP
FormatManager::GetHardcodedFormat(FormattersMatchData &match_data) {
TypeFormatImplSP retval_sp;
for (lldb::LanguageType lang_type : match_data.GetCandidateLanguages()) {
if (LanguageCategory *lang_category = GetCategoryForLanguage(lang_type)) {
if (lang_category->GetHardcoded(*this, match_data, retval_sp))
break;
}
}
return retval_sp;
}
lldb::TypeFormatImplSP
FormatManager::GetFormat(ValueObject &valobj,
lldb::DynamicValueType use_dynamic) {
FormattersMatchData match_data(valobj, use_dynamic);
TypeFormatImplSP retval;
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_DATAFORMATTERS));
if (match_data.GetTypeForCache()) {
LLDB_LOGF(log,
"\n\n[FormatManager::GetFormat] Looking into cache for type %s",
match_data.GetTypeForCache().AsCString("<invalid>"));
if (m_format_cache.GetFormat(match_data.GetTypeForCache(), retval)) {
if (log) {
LLDB_LOGF(
log, "[FormatManager::GetFormat] Cache search success. Returning.");
LLDB_LOGV(log, "Cache hits: {0} - Cache Misses: {1}",
m_format_cache.GetCacheHits(),
m_format_cache.GetCacheMisses());
}
return retval;
}
LLDB_LOGF(
log,
"[FormatManager::GetFormat] Cache search failed. Going normal route");
}
retval = m_categories_map.GetFormat(match_data);
if (!retval) {
LLDB_LOGF(log,
"[FormatManager::GetFormat] Search failed. Giving language a "
"chance.");
for (lldb::LanguageType lang_type : match_data.GetCandidateLanguages()) {
if (LanguageCategory *lang_category = GetCategoryForLanguage(lang_type)) {
if (lang_category->Get(match_data, retval))
break;
}
}
if (retval) {
LLDB_LOGF(
log,
"[FormatManager::GetFormat] Language search success. Returning.");
return retval;
}
}
if (!retval) {
LLDB_LOGF(log, "[FormatManager::GetFormat] Search failed. Giving hardcoded "
"a chance.");
retval = GetHardcodedFormat(match_data);
}
if (match_data.GetTypeForCache() && (!retval || !retval->NonCacheable())) {
LLDB_LOGF(log, "[FormatManager::GetFormat] Caching %p for type %s",
static_cast<void *>(retval.get()),
match_data.GetTypeForCache().AsCString("<invalid>"));
m_format_cache.SetFormat(match_data.GetTypeForCache(), retval);
}
LLDB_LOGV(log, "Cache hits: {0} - Cache Misses: {1}",
m_format_cache.GetCacheHits(), m_format_cache.GetCacheMisses());
return retval;
}
lldb::TypeSummaryImplSP
FormatManager::GetHardcodedSummaryFormat(FormattersMatchData &match_data) {
TypeSummaryImplSP retval_sp;
for (lldb::LanguageType lang_type : match_data.GetCandidateLanguages()) {
if (LanguageCategory *lang_category = GetCategoryForLanguage(lang_type)) {
if (lang_category->GetHardcoded(*this, match_data, retval_sp))
break;
}
}
return retval_sp;
}
lldb::TypeSummaryImplSP
FormatManager::GetSummaryFormat(ValueObject &valobj,
lldb::DynamicValueType use_dynamic) {
FormattersMatchData match_data(valobj, use_dynamic);
TypeSummaryImplSP retval;
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_DATAFORMATTERS));
if (match_data.GetTypeForCache()) {
LLDB_LOGF(log,
"\n\n[FormatManager::GetSummaryFormat] Looking into cache "
"for type %s",
match_data.GetTypeForCache().AsCString("<invalid>"));
if (m_format_cache.GetSummary(match_data.GetTypeForCache(), retval)) {
if (log) {
LLDB_LOGF(log,
"[FormatManager::GetSummaryFormat] Cache search success. "
"Returning.");
LLDB_LOGV(log, "Cache hits: {0} - Cache Misses: {1}",
m_format_cache.GetCacheHits(),
m_format_cache.GetCacheMisses());
}
return retval;
}
LLDB_LOGF(log, "[FormatManager::GetSummaryFormat] Cache search failed. "
"Going normal route");
}
retval = m_categories_map.GetSummaryFormat(match_data);
if (!retval) {
LLDB_LOGF(log, "[FormatManager::GetSummaryFormat] Search failed. Giving "
"language a chance.");
for (lldb::LanguageType lang_type : match_data.GetCandidateLanguages()) {
if (LanguageCategory *lang_category = GetCategoryForLanguage(lang_type)) {
if (lang_category->Get(match_data, retval))
break;
}
}
if (retval) {
LLDB_LOGF(log, "[FormatManager::GetSummaryFormat] Language search "
"success. Returning.");
return retval;
}
}
if (!retval) {
LLDB_LOGF(log, "[FormatManager::GetSummaryFormat] Search failed. Giving "
"hardcoded a chance.");
retval = GetHardcodedSummaryFormat(match_data);
}
if (match_data.GetTypeForCache() && (!retval || !retval->NonCacheable())) {
LLDB_LOGF(log, "[FormatManager::GetSummaryFormat] Caching %p for type %s",
static_cast<void *>(retval.get()),
match_data.GetTypeForCache().AsCString("<invalid>"));
m_format_cache.SetSummary(match_data.GetTypeForCache(), retval);
}
LLDB_LOGV(log, "Cache hits: {0} - Cache Misses: {1}",
m_format_cache.GetCacheHits(), m_format_cache.GetCacheMisses());
return retval;
}
lldb::SyntheticChildrenSP
FormatManager::GetHardcodedSyntheticChildren(FormattersMatchData &match_data) {
SyntheticChildrenSP retval_sp;
for (lldb::LanguageType lang_type : match_data.GetCandidateLanguages()) {
if (LanguageCategory *lang_category = GetCategoryForLanguage(lang_type)) {
if (lang_category->GetHardcoded(*this, match_data, retval_sp))
break;
}
}
return retval_sp;
}
lldb::SyntheticChildrenSP
FormatManager::GetSyntheticChildren(ValueObject &valobj,
lldb::DynamicValueType use_dynamic) {
FormattersMatchData match_data(valobj, use_dynamic);
SyntheticChildrenSP retval;
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_DATAFORMATTERS));
if (match_data.GetTypeForCache()) {
LLDB_LOGF(log,
"\n\n[FormatManager::GetSyntheticChildren] Looking into "
"cache for type %s",
match_data.GetTypeForCache().AsCString("<invalid>"));
if (m_format_cache.GetSynthetic(match_data.GetTypeForCache(), retval)) {
if (log) {
LLDB_LOGF(log, "[FormatManager::GetSyntheticChildren] Cache search "
"success. Returning.");
LLDB_LOGV(log, "Cache hits: {0} - Cache Misses: {1}",
m_format_cache.GetCacheHits(),
m_format_cache.GetCacheMisses());
}
return retval;
}
LLDB_LOGF(log, "[FormatManager::GetSyntheticChildren] Cache search failed. "
"Going normal route");
}
retval = m_categories_map.GetSyntheticChildren(match_data);
if (!retval) {
LLDB_LOGF(log,
"[FormatManager::GetSyntheticChildren] Search failed. Giving "
"language a chance.");
for (lldb::LanguageType lang_type : match_data.GetCandidateLanguages()) {
if (LanguageCategory *lang_category = GetCategoryForLanguage(lang_type)) {
if (lang_category->Get(match_data, retval))
break;
}
}
if (retval) {
LLDB_LOGF(log, "[FormatManager::GetSyntheticChildren] Language search "
"success. Returning.");
return retval;
}
}
if (!retval) {
LLDB_LOGF(log,
"[FormatManager::GetSyntheticChildren] Search failed. Giving "
"hardcoded a chance.");
retval = GetHardcodedSyntheticChildren(match_data);
}
if (match_data.GetTypeForCache() && (!retval || !retval->NonCacheable())) {
LLDB_LOGF(log,
"[FormatManager::GetSyntheticChildren] Caching %p for type %s",
static_cast<void *>(retval.get()),
match_data.GetTypeForCache().AsCString("<invalid>"));
m_format_cache.SetSynthetic(match_data.GetTypeForCache(), retval);
}
LLDB_LOGV(log, "Cache hits: {0} - Cache Misses: {1}",
m_format_cache.GetCacheHits(), m_format_cache.GetCacheMisses());
return retval;
}
lldb::TypeValidatorImplSP
FormatManager::GetValidator(ValueObject &valobj,
lldb::DynamicValueType use_dynamic) {
FormattersMatchData match_data(valobj, use_dynamic);
TypeValidatorImplSP retval;
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_DATAFORMATTERS));
if (match_data.GetTypeForCache()) {
LLDB_LOGF(
log, "\n\n[FormatManager::GetValidator] Looking into cache for type %s",
match_data.GetTypeForCache().AsCString("<invalid>"));
if (m_format_cache.GetValidator(match_data.GetTypeForCache(), retval)) {
if (log) {
LLDB_LOGF(
log,
"[FormatManager::GetValidator] Cache search success. Returning.");
LLDB_LOGV(log, "Cache hits: {0} - Cache Misses: {1}",
m_format_cache.GetCacheHits(),
m_format_cache.GetCacheMisses());
}
return retval;
}
LLDB_LOGF(log, "[FormatManager::GetValidator] Cache search failed. Going "
"normal route");
}
retval = m_categories_map.GetValidator(match_data);
if (!retval) {
LLDB_LOGF(log, "[FormatManager::GetValidator] Search failed. Giving "
"language a chance.");
for (lldb::LanguageType lang_type : match_data.GetCandidateLanguages()) {
if (LanguageCategory *lang_category = GetCategoryForLanguage(lang_type)) {
if (lang_category->Get(match_data, retval))
break;
}
}
if (retval) {
LLDB_LOGF(log, "[FormatManager::GetValidator] Language search success. "
"Returning.");
return retval;
}
}
if (!retval) {
LLDB_LOGF(log, "[FormatManager::GetValidator] Search failed. Giving "
"hardcoded a chance.");
retval = GetHardcodedValidator(match_data);
}
if (match_data.GetTypeForCache() && (!retval || !retval->NonCacheable())) {
LLDB_LOGF(log, "[FormatManager::GetValidator] Caching %p for type %s",
static_cast<void *>(retval.get()),
match_data.GetTypeForCache().AsCString("<invalid>"));
m_format_cache.SetValidator(match_data.GetTypeForCache(), retval);
}
LLDB_LOGV(log, "Cache hits: {0} - Cache Misses: {1}",
m_format_cache.GetCacheHits(), m_format_cache.GetCacheMisses());
return retval;
}
lldb::TypeValidatorImplSP
FormatManager::GetHardcodedValidator(FormattersMatchData &match_data) {
TypeValidatorImplSP retval_sp;
for (lldb::LanguageType lang_type : match_data.GetCandidateLanguages()) {
if (LanguageCategory *lang_category = GetCategoryForLanguage(lang_type)) {
if (lang_category->GetHardcoded(*this, match_data, retval_sp))
break;
}
}
return retval_sp;
}
FormatManager::FormatManager()
: m_last_revision(0), m_format_cache(), m_language_categories_mutex(),
m_language_categories_map(), m_named_summaries_map(this),
m_categories_map(this), m_default_category_name(ConstString("default")),
m_system_category_name(ConstString("system")),
m_vectortypes_category_name(ConstString("VectorTypes")) {
LoadSystemFormatters();
LoadVectorFormatters();
EnableCategory(m_vectortypes_category_name, TypeCategoryMap::Last,
lldb::eLanguageTypeObjC_plus_plus);
EnableCategory(m_system_category_name, TypeCategoryMap::Last,
lldb::eLanguageTypeObjC_plus_plus);
}
void FormatManager::LoadSystemFormatters() {
TypeSummaryImpl::Flags string_flags;
string_flags.SetCascades(true)
.SetSkipPointers(true)
.SetSkipReferences(false)
.SetDontShowChildren(true)
.SetDontShowValue(false)
.SetShowMembersOneLiner(false)
.SetHideItemNames(false);
TypeSummaryImpl::Flags string_array_flags;
string_array_flags.SetCascades(true)
.SetSkipPointers(true)
.SetSkipReferences(false)
.SetDontShowChildren(true)
.SetDontShowValue(true)
.SetShowMembersOneLiner(false)
.SetHideItemNames(false);
lldb::TypeSummaryImplSP string_format(
new StringSummaryFormat(string_flags, "${var%s}"));
lldb::TypeSummaryImplSP string_array_format(
new StringSummaryFormat(string_array_flags, "${var%s}"));
RegularExpression any_size_char_arr(llvm::StringRef("char \\[[0-9]+\\]"));
TypeCategoryImpl::SharedPointer sys_category_sp =
GetCategory(m_system_category_name);
sys_category_sp->GetTypeSummariesContainer()->Add(ConstString("char *"),
string_format);
sys_category_sp->GetTypeSummariesContainer()->Add(
ConstString("unsigned char *"), string_format);
sys_category_sp->GetRegexTypeSummariesContainer()->Add(
std::move(any_size_char_arr), string_array_format);
lldb::TypeSummaryImplSP ostype_summary(
new StringSummaryFormat(TypeSummaryImpl::Flags()
.SetCascades(false)
.SetSkipPointers(true)
.SetSkipReferences(true)
.SetDontShowChildren(true)
.SetDontShowValue(false)
.SetShowMembersOneLiner(false)
.SetHideItemNames(false),
"${var%O}"));
sys_category_sp->GetTypeSummariesContainer()->Add(ConstString("OSType"),
ostype_summary);
TypeFormatImpl::Flags fourchar_flags;
fourchar_flags.SetCascades(true).SetSkipPointers(true).SetSkipReferences(
true);
AddFormat(sys_category_sp, lldb::eFormatOSType, ConstString("FourCharCode"),
fourchar_flags);
}
void FormatManager::LoadVectorFormatters() {
TypeCategoryImpl::SharedPointer vectors_category_sp =
GetCategory(m_vectortypes_category_name);
TypeSummaryImpl::Flags vector_flags;
vector_flags.SetCascades(true)
.SetSkipPointers(true)
.SetSkipReferences(false)
.SetDontShowChildren(true)
.SetDontShowValue(false)
.SetShowMembersOneLiner(true)
.SetHideItemNames(true);
AddStringSummary(vectors_category_sp, "${var.uint128}",
ConstString("builtin_type_vec128"), vector_flags);
AddStringSummary(vectors_category_sp, "", ConstString("float [4]"),
vector_flags);
AddStringSummary(vectors_category_sp, "", ConstString("int32_t [4]"),
vector_flags);
AddStringSummary(vectors_category_sp, "", ConstString("int16_t [8]"),
vector_flags);
AddStringSummary(vectors_category_sp, "", ConstString("vDouble"),
vector_flags);
AddStringSummary(vectors_category_sp, "", ConstString("vFloat"),
vector_flags);
AddStringSummary(vectors_category_sp, "", ConstString("vSInt8"),
vector_flags);
AddStringSummary(vectors_category_sp, "", ConstString("vSInt16"),
vector_flags);
AddStringSummary(vectors_category_sp, "", ConstString("vSInt32"),
vector_flags);
AddStringSummary(vectors_category_sp, "", ConstString("vUInt16"),
vector_flags);
AddStringSummary(vectors_category_sp, "", ConstString("vUInt8"),
vector_flags);
AddStringSummary(vectors_category_sp, "", ConstString("vUInt16"),
vector_flags);
AddStringSummary(vectors_category_sp, "", ConstString("vUInt32"),
vector_flags);
AddStringSummary(vectors_category_sp, "", ConstString("vBool32"),
vector_flags);
}
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