[Lldb-commits] [lldb] 3380644 - [lldb] Remove SupportFile::Update and use the original Checksum (#95623)

via lldb-commits lldb-commits at lists.llvm.org
Mon Jun 17 09:37:49 PDT 2024


Author: Jonas Devlieghere
Date: 2024-06-17T09:37:44-07:00
New Revision: 3380644fb070fd6648e873b1e75022bdfc432f1f

URL: https://github.com/llvm/llvm-project/commit/3380644fb070fd6648e873b1e75022bdfc432f1f
DIFF: https://github.com/llvm/llvm-project/commit/3380644fb070fd6648e873b1e75022bdfc432f1f.diff

LOG: [lldb] Remove SupportFile::Update and use the original Checksum (#95623)

When Jason was looking into the issue caused by #95606 he suggested
using the Checksum from the original file in LineEntry. I like the idea
because it makes sense semantically, but also allows us to get rid of
the Update method and ensures we make a new copy, in case someone else
is holding onto the old SupportFile.

Added: 
    

Modified: 
    lldb/include/lldb/Utility/SupportFile.h
    lldb/source/Symbol/LineEntry.cpp

Removed: 
    


################################################################################
diff  --git a/lldb/include/lldb/Utility/SupportFile.h b/lldb/include/lldb/Utility/SupportFile.h
index d65156cea768f..21b986dcaba28 100644
--- a/lldb/include/lldb/Utility/SupportFile.h
+++ b/lldb/include/lldb/Utility/SupportFile.h
@@ -49,9 +49,6 @@ class SupportFile {
   /// Materialize the file to disk and return the path to that temporary file.
   virtual const FileSpec &Materialize() { return m_file_spec; }
 
-  /// Change the file name.
-  void Update(const FileSpec &file_spec) { m_file_spec = file_spec; }
-
 protected:
   FileSpec m_file_spec;
   Checksum m_checksum;

diff  --git a/lldb/source/Symbol/LineEntry.cpp b/lldb/source/Symbol/LineEntry.cpp
index 461399e0326e9..19e9bb561375b 100644
--- a/lldb/source/Symbol/LineEntry.cpp
+++ b/lldb/source/Symbol/LineEntry.cpp
@@ -244,7 +244,9 @@ void LineEntry::ApplyFileMappings(lldb::TargetSP target_sp) {
   if (target_sp) {
     // Apply any file remappings to our file.
     if (auto new_file_spec = target_sp->GetSourcePathMap().FindFile(
-            original_file_sp->GetSpecOnly()))
-      file_sp->Update(*new_file_spec);
+            original_file_sp->GetSpecOnly())) {
+      file_sp = std::make_shared<SupportFile>(*new_file_spec,
+                                              original_file_sp->GetChecksum());
+    }
   }
 }


        


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