Remove byte counting from SourceManager [NFC]

Summary:
Similar to what we did in D50681, we now stop manually byte counting here
in the SourceManager.

Reviewers: #lldb, JDevlieghere

Reviewed By: #lldb, JDevlieghere

Subscribers: JDevlieghere, abidh, lldb-commits

Differential Revision: https://reviews.llvm.org/D50809

llvm-svn: 342121

1 files changed, 10 insertions, 10 deletions

diff --git a/lldb/source/Core/SourceManager.cpp b/lldb/source/Core/SourceManager.cpp
index 413505d3ba8..5522852104d 100644
--- a/lldb/source/Core/SourceManager.cpp
+++ b/lldb/source/Core/SourceManager.cpp
@@ -158,7 +158,9 @@ size_t SourceManager::DisplaySourceLinesWithLineNumbersUsingLastFile(
     const SymbolContextList *bp_locs) {
   if (count == 0)
     return 0;
-  size_t return_value = 0;
+
+  Stream::ByteDelta delta(*s);
+
   if (start_line == 0) {
     if (m_last_line != 0 && m_last_line != UINT32_MAX)
       start_line = m_last_line + m_last_count;
@@ -193,9 +195,8 @@ size_t SourceManager::DisplaySourceLinesWithLineNumbersUsingLastFile(
           ::snprintf(prefix, sizeof(prefix), "    ");
       }
 
-      return_value +=
-          s->Printf("%s%2.2s %-4u\t", prefix,
-                    line == curr_line ? current_line_cstr : "", line);
+      s->Printf("%s%2.2s %-4u\t", prefix,
+                line == curr_line ? current_line_cstr : "", line);
 
       // So far we treated column 0 as a special 'no column value', but
       // DisplaySourceLines starts counting columns from 0 (and no column is
@@ -211,21 +212,20 @@ size_t SourceManager::DisplaySourceLinesWithLineNumbersUsingLastFile(
         // Display caret cursor.
         std::string src_line;
         m_last_file_sp->GetLine(line, src_line);
-        return_value += s->Printf("    \t");
+        s->Printf("    \t");
         // Insert a space for every non-tab character in the source line.
         for (size_t i = 0; i + 1 < column && i < src_line.length(); ++i)
-          return_value += s->PutChar(src_line[i] == '\t' ? '\t' : ' ');
+          s->PutChar(src_line[i] == '\t' ? '\t' : ' ');
         // Now add the caret.
-        return_value += s->Printf("^\n");
+        s->Printf("^\n");
       }
       if (this_line_size == 0) {
         m_last_line = UINT32_MAX;
         break;
-      } else
-        return_value += this_line_size;
+      }
     }
   }
-  return return_value;
+  return *delta;
 }
 
 size_t SourceManager::DisplaySourceLinesWithLineNumbers(