[Lldb-commits] [lldb] e669011 - [lldb][NFCI] Remove StructuredData::Dictionary::GetValueForKeyAsString overloads involving ConstString

[Alex Langford via lldb-commits]

Author: Alex Langford
Date: 2023-06-13T15:51:56-07:00
New Revision: e669011c3cca4b7b4a1c2e8d96467cecbc05df4d

URL: 
https://github.com/llvm/llvm-project/commit/e669011c3cca4b7b4a1c2e8d96467cecbc05df4d
DIFF: 
https://github.com/llvm/llvm-project/commit/e669011c3cca4b7b4a1c2e8d96467cecbc05df4d.diff

LOG: [lldb][NFCI] Remove StructuredData::Dictionary::GetValueForKeyAsString 
overloads involving ConstString

In an effort to keep the ConstString StringPool small, I plan on
removing use of ConstString in StructuredData. The only class that
really uses it is StructuredData::Dictionary.

This one was fairly easy to remove, I plan on removing the others in
follow-up changes.

Differential Revision: https://reviews.llvm.org/D152597

Added: 
    

Modified: 
    lldb/include/lldb/Utility/StructuredData.h
    lldb/source/Target/DynamicRegisterInfo.cpp

Removed: 
    


################################################################################
diff  --git a/lldb/include/lldb/Utility/StructuredData.h 
b/lldb/include/lldb/Utility/StructuredData.h
index d6b51f7c58c12..28c71a8ca827a 100644
--- a/lldb/include/lldb/Utility/StructuredData.h
+++ b/lldb/include/lldb/Utility/StructuredData.h
@@ -536,26 +536,6 @@ class StructuredData {
       return success;
     }
 
-    bool GetValueForKeyAsString(llvm::StringRef key,
-                                ConstString &result) const {
-      ObjectSP value_sp = GetValueForKey(key);
-      if (value_sp.get()) {
-        if (auto string_value = value_sp->GetAsString()) {
-          result = ConstString(string_value->GetValue());
-          return true;
-        }
-      }
-      return false;
-    }
-
-    bool GetValueForKeyAsString(llvm::StringRef key, ConstString &result,
-                                const char *default_val) const {
-      bool success = GetValueForKeyAsString(key, result);
-      if (!success)
-        result.SetCString(default_val);
-      return success;
-    }
-
     bool GetValueForKeyAsDictionary(llvm::StringRef key,
                                     Dictionary *&result) const {
       result = nullptr;

diff  --git a/lldb/source/Target/DynamicRegisterInfo.cpp 
b/lldb/source/Target/DynamicRegisterInfo.cpp
index d20f7c0bf98a0..700619959f5c8 100644
--- a/lldb/source/Target/DynamicRegisterInfo.cpp
+++ b/lldb/source/Target/DynamicRegisterInfo.cpp
@@ -238,17 +238,20 @@ DynamicRegisterInfo::SetRegisterInfo(const 
StructuredData::Dictionary &dict,
     std::vector<uint32_t> invalidate_regs;
     memset(&reg_info, 0, sizeof(reg_info));
 
-    ConstString name_val;
-    ConstString alt_name_val;
-    if (!reg_info_dict->GetValueForKeyAsString("name", name_val, nullptr)) {
+    llvm::StringRef name_val;
+    if (!reg_info_dict->GetValueForKeyAsString("name", name_val)) {
       Clear();
       printf("error: registers must have valid names and offsets\n");
       reg_info_dict->DumpToStdout();
       return 0;
     }
-    reg_info.name = name_val.GetCString();
-    reg_info_dict->GetValueForKeyAsString("alt-name", alt_name_val, nullptr);
-    reg_info.alt_name = alt_name_val.GetCString();
+    reg_info.name = ConstString(name_val).GetCString();
+
+    llvm::StringRef alt_name_val;
+    if (reg_info_dict->GetValueForKeyAsString("alt-name", alt_name_val))
+      reg_info.alt_name = ConstString(alt_name_val).GetCString();
+    else
+      reg_info.alt_name = nullptr;
 
     llvm::Expected<uint32_t> byte_offset =
         ByteOffsetFromRegInfoDict(i, *reg_info_dict, byte_order);


        
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