[Lldb-commits] [lldb] [DRAFT] [lldb][Expression] Encode Module and DIE UIDs into function AsmLabels (PR #148877)

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github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions h,cpp -- lldb/include/lldb/Expression/Expression.h lldb/include/lldb/Symbol/SymbolFile.h lldb/source/Expression/IRExecutionUnit.cpp lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionDeclMap.cpp lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h lldb/source/Plugins/SymbolFile/NativePDB/PdbAstBuilder.cpp lldb/source/Plugins/SymbolFile/PDB/PDBASTParser.cpp lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.h lldb/unittests/Symbol/TestTypeSystemClang.cpp
``````````

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<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/lldb/source/Expression/IRExecutionUnit.cpp b/lldb/source/Expression/IRExecutionUnit.cpp
index 2edfa661b..4f8e84612 100644
--- a/lldb/source/Expression/IRExecutionUnit.cpp
+++ b/lldb/source/Expression/IRExecutionUnit.cpp
@@ -775,19 +775,22 @@ private:
   lldb::addr_t m_best_internal_load_address = LLDB_INVALID_ADDRESS;
 };
 
-static llvm::Expected<Module *> GetModulePtr(llvm::StringRef module, Target &target) {
+static llvm::Expected<Module *> GetModulePtr(llvm::StringRef module,
+                                             Target &target) {
   uintptr_t module_ptr = 0;
-  if (module.starts_with("0x") && !module.consumeInteger(0, module_ptr)
-      && module_ptr != 0)
+  if (module.starts_with("0x") && !module.consumeInteger(0, module_ptr) &&
+      module_ptr != 0)
     return reinterpret_cast<Module *>(module_ptr);
 
   UUID module_uuid;
   if (!module_uuid.SetFromStringRef(module) || !module_uuid.IsValid())
-    return llvm::createStringError("failed to create Module UUID from '%s'", module.data());
+    return llvm::createStringError("failed to create Module UUID from '%s'",
+                                   module.data());
 
   Module *found_module = target.GetImages().FindModule(module_uuid).get();
   if (!found_module)
-    return llvm::createStringError("failed to find module with UUID '{0}'", module.data());
+    return llvm::createStringError("failed to find module with UUID '{0}'",
+                                   module.data());
 
   return found_module;
 }
@@ -841,13 +844,13 @@ ResolveFunctionCallLabel(llvm::StringRef label,
   // TODO: module UID is only a Darwin concept (?)
   auto found_module_or_err = GetModulePtr(module, *target);
   if (!found_module_or_err) {
-    LLDB_LOG_ERROR(GetLog(LLDBLog::Expressions), found_module_or_err.takeError(),
-                   "Failed to resolve function label {1}: {0}",
-                   label);
+    LLDB_LOG_ERROR(GetLog(LLDBLog::Expressions),
+                   found_module_or_err.takeError(),
+                   "Failed to resolve function label {1}: {0}", label);
     return LLDB_INVALID_ADDRESS;
   }
 
-  Module * found_module = *found_module_or_err;
+  Module *found_module = *found_module_or_err;
 
   lldb::user_id_t die_id;
   if (die.consumeInteger(/*Radix=*/0, die_id)) {
@@ -857,7 +860,7 @@ ResolveFunctionCallLabel(llvm::StringRef label,
              label, components[2]);
     return LLDB_INVALID_ADDRESS;
   }
- 
+
   auto *symbol_file = found_module->GetSymbolFile();
   if (!symbol_file) {
     LLDB_LOG(GetLog(LLDBLog::Expressions),
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
index 069e817fb..a7cbc794c 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
@@ -272,7 +272,7 @@ static std::optional<std::string> MakeLLDBFuncAsmLabel(const DWARFDIE &die) {
   // Maybe add character to signal whether this is a pointer
   // or UUID. Or maybe if it's not hex that implies a UUID?
   auto module_id = module_sp->GetUUID();
-  Module * module_ptr = nullptr;
+  Module *module_ptr = nullptr;
   if (!module_id.IsValid())
     module_ptr = module_sp.get();
 
@@ -281,7 +281,10 @@ static std::optional<std::string> MakeLLDBFuncAsmLabel(const DWARFDIE &die) {
     return label;
 
   return llvm::formatv("{0}:{1}:{2}:{3:x}", FunctionCallLabelPrefix,
-                       mangled ? mangled : "", module_ptr ? llvm::formatv("{0:x}", module_ptr).str() : module_id.GetAsString(), die_id)
+                       mangled ? mangled : "",
+                       module_ptr ? llvm::formatv("{0:x}", module_ptr).str()
+                                  : module_id.GetAsString(),
+                       die_id)
       .str();
 }
 

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https://github.com/llvm/llvm-project/pull/148877