Pass ConstString by value (NFC)

My apologies for the large patch. With the exception of ConstString.h
itself it was entirely produced by sed.

ConstString has exactly one const char * data member, so passing a
ConstString by reference is not any more efficient than copying it by
value. In both cases a single pointer is passed. But passing it by
value makes it harder to accidentally return the address of a local
object.

(This fixes rdar://problem/48640859 for the Apple folks)

Differential Revision: https://reviews.llvm.org/D59030

llvm-svn: 355553

1 files changed, 6 insertions, 6 deletions

diff --git a/lldb/source/Commands/CommandObjectSource.cpp b/lldb/source/Commands/CommandObjectSource.cpp
index cc08e47..abcf601 100644
--- a/lldb/source/Commands/CommandObjectSource.cpp
+++ b/lldb/source/Commands/CommandObjectSource.cpp
@@ -194,7 +194,7 @@ protected:
           continue;
 
         // Print a new header if the module changed.
-        const ConstString &module_file_name =
+        ConstString module_file_name =
             module->GetFileSpec().GetFilename();
         assert(module_file_name);
         if (module_file_name != last_module_file_name) {
@@ -240,8 +240,8 @@ protected:
 
         // Dump all matching lines at or above start_line for the file in the
         // CU.
-        const ConstString &file_spec_name = file_spec.GetFilename();
-        const ConstString &module_file_name =
+        ConstString file_spec_name = file_spec.GetFilename();
+        ConstString module_file_name =
             module->GetFileSpec().GetFilename();
         bool cu_header_printed = false;
         uint32_t line = start_line;
@@ -780,7 +780,7 @@ protected:
     ConstString function;
     LineEntry line_entry;
 
-    SourceInfo(const ConstString &name, const LineEntry &line_entry)
+    SourceInfo(ConstString name, const LineEntry &line_entry)
         : function(name), line_entry(line_entry) {}
 
     SourceInfo() : function(), line_entry() {}
@@ -901,7 +901,7 @@ protected:
   // these somewhere, there should probably be a module-filter-list that can be
   // passed to the various ModuleList::Find* calls, which would either be a
   // vector of string names or a ModuleSpecList.
-  size_t FindMatchingFunctions(Target *target, const ConstString &name,
+  size_t FindMatchingFunctions(Target *target, ConstString name,
                                SymbolContextList &sc_list) {
     // Displaying the source for a symbol:
     bool include_inlines = true;
@@ -934,7 +934,7 @@ protected:
     return num_matches;
   }
 
-  size_t FindMatchingFunctionSymbols(Target *target, const ConstString &name,
+  size_t FindMatchingFunctionSymbols(Target *target, ConstString name,
                                      SymbolContextList &sc_list) {
     size_t num_matches = 0;
     const size_t num_modules = m_options.modules.size();