vendor/llvm-project/llvmorg-10-init-17466-ge26a78e7085

1 files changed, 71 insertions, 286 deletions

diff --git a/lldb/source/DataFormatters/FormatManager.cpp b/lldb/source/DataFormatters/FormatManager.cpp
index 1eac372d79ec..d5db3ee75bf3 100644
--- a/lldb/source/DataFormatters/FormatManager.cpp
+++ b/lldb/source/DataFormatters/FormatManager.cpp
@@ -230,15 +230,38 @@ void FormatManager::GetPossibleMatches(
     if (non_ptr_type.IsTypedefType()) {
       CompilerType deffed_pointed_type =
           non_ptr_type.GetTypedefedType().GetPointerType();
+      const bool stripped_typedef = true;
       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
+          stripped_typedef); // this is not exactly the usual meaning of
+                             // stripping typedefs
+    }
+  }
+
+  // For arrays with typedef-ed elements, we add a candidate with the typedef
+  // stripped.
+  uint64_t array_size;
+  if (compiler_type.IsArrayType(nullptr, &array_size, nullptr)) {
+    CompilerType element_type = compiler_type.GetArrayElementType();
+    if (element_type.IsTypedefType()) {
+      // Get the stripped element type and compute the stripped array type
+      // from it.
+      CompilerType deffed_array_type =
+          element_type.GetTypedefedType().GetArrayType(array_size);
+      const bool stripped_typedef = true;
+      GetPossibleMatches(
+          valobj, deffed_array_type,
+          reason | lldb_private::eFormatterChoiceCriterionNavigatedTypedefs,
+          use_dynamic, entries, did_strip_ptr, did_strip_ref,
+          stripped_typedef); // this is not exactly the usual meaning of
+                             // stripping typedefs
     }
   }
 
-  for (lldb::LanguageType language_type : GetCandidateLanguages(valobj)) {
+  for (lldb::LanguageType language_type :
+       GetCandidateLanguages(valobj.GetObjectRuntimeLanguage())) {
     if (Language *language = Language::FindPlugin(language_type)) {
       for (ConstString candidate :
            language->GetPossibleFormattersMatches(valobj, use_dynamic)) {
@@ -385,30 +408,6 @@ FormatManager::GetSyntheticForType(lldb::TypeNameSpecifierImplSP type_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);
@@ -579,12 +578,6 @@ ConstString FormatManager::GetTypeForCache(ValueObject &valobj,
 }
 
 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:
@@ -599,6 +592,7 @@ FormatManager::GetCandidateLanguages(lldb::LanguageType lang_type) {
   default:
     return {lang_type};
   }
+  llvm_unreachable("Fully covered switch");
 }
 
 LanguageCategory *
@@ -614,302 +608,93 @@ FormatManager::GetCategoryForLanguage(lldb::LanguageType lang_type) {
   return lang_category;
 }
 
-lldb::TypeFormatImplSP
-FormatManager::GetHardcodedFormat(FormattersMatchData &match_data) {
-  TypeFormatImplSP retval_sp;
-
+template <typename ImplSP>
+ImplSP FormatManager::GetHardcoded(FormattersMatchData &match_data) {
+  ImplSP 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;
     }
   }
-
   return retval_sp;
 }
 
-lldb::TypeFormatImplSP
-FormatManager::GetFormat(ValueObject &valobj,
-                         lldb::DynamicValueType use_dynamic) {
+template <typename ImplSP>
+ImplSP FormatManager::Get(ValueObject &valobj,
+                          lldb::DynamicValueType use_dynamic) {
   FormattersMatchData match_data(valobj, use_dynamic);
+  if (ImplSP retval_sp = GetCached<ImplSP>(match_data))
+    return retval_sp;
 
-  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;
 
+  LLDB_LOGF(log, "[%s] Search failed. Giving language a chance.", __FUNCTION__);
   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;
+      ImplSP retval_sp;
+      if (lang_category->Get(match_data, retval_sp))
+        if (retval_sp) {
+          LLDB_LOGF(log, "[%s] Language search success. Returning.",
+                    __FUNCTION__);
+          return retval_sp;
+        }
     }
   }
 
-  return retval_sp;
+  LLDB_LOGF(log, "[%s] Search failed. Giving hardcoded a chance.",
+            __FUNCTION__);
+  return GetHardcoded<ImplSP>(match_data);
 }
 
-lldb::TypeSummaryImplSP
-FormatManager::GetSummaryFormat(ValueObject &valobj,
-                                lldb::DynamicValueType use_dynamic) {
-  FormattersMatchData match_data(valobj, use_dynamic);
-
-  TypeSummaryImplSP retval;
+template <typename ImplSP>
+ImplSP FormatManager::GetCached(FormattersMatchData &match_data) {
+  ImplSP retval_sp;
   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",
+    LLDB_LOGF(log, "\n\n[%s] Looking into cache for type %s", __FUNCTION__,
               match_data.GetTypeForCache().AsCString("<invalid>"));
-    if (m_format_cache.GetSummary(match_data.GetTypeForCache(), retval)) {
+    if (m_format_cache.Get(match_data.GetTypeForCache(), retval_sp)) {
       if (log) {
-        LLDB_LOGF(log,
-                  "[FormatManager::GetSummaryFormat] Cache search success. "
-                  "Returning.");
+        LLDB_LOGF(log, "[%s] Cache search success. Returning.", __FUNCTION__);
         LLDB_LOGV(log, "Cache hits: {0} - Cache Misses: {1}",
                   m_format_cache.GetCacheHits(),
                   m_format_cache.GetCacheMisses());
       }
-      return retval;
+      return retval_sp;
     }
-    LLDB_LOGF(log, "[FormatManager::GetSummaryFormat] Cache search failed. "
-                   "Going normal route");
+    LLDB_LOGF(log, "[%s] Cache search failed. Going normal route",
+              __FUNCTION__);
   }
 
-  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()),
+  m_categories_map.Get(match_data, retval_sp);
+  if (match_data.GetTypeForCache() && (!retval_sp || !retval_sp->NonCacheable())) {
+    LLDB_LOGF(log, "[%s] Caching %p for type %s", __FUNCTION__,
+              static_cast<void *>(retval_sp.get()),
               match_data.GetTypeForCache().AsCString("<invalid>"));
-    m_format_cache.SetSummary(match_data.GetTypeForCache(), retval);
+    m_format_cache.Set(match_data.GetTypeForCache(), retval_sp);
   }
   LLDB_LOGV(log, "Cache hits: {0} - Cache Misses: {1}",
             m_format_cache.GetCacheHits(), m_format_cache.GetCacheMisses());
-  return retval;
+  return retval_sp;
 }
 
-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;
-    }
-  }
+lldb::TypeFormatImplSP
+FormatManager::GetFormat(ValueObject &valobj,
+                         lldb::DynamicValueType use_dynamic) {
+  return Get<lldb::TypeFormatImplSP>(valobj, use_dynamic);
+}
 
-  return retval_sp;
+lldb::TypeSummaryImplSP
+FormatManager::GetSummaryFormat(ValueObject &valobj,
+                                lldb::DynamicValueType use_dynamic) {
+  return Get<lldb::TypeSummaryImplSP>(valobj, use_dynamic);
 }
 
 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;
+  return Get<lldb::SyntheticChildrenSP>(valobj, use_dynamic);
 }
 
 FormatManager::FormatManager()