Make messaget a member

remove_function_pointerst is not a logger, but instead it now has one. This
avoids a somewhat surprising shadowing of an "mstream" class member, which
really just is messaget's class member.

Author: tautschnig

src/goto-programs/remove_function_pointers.cpp

@@ -30,7 +30,7 @@ Author: Daniel Kroening, [email protected]
 #include "compute_called_functions.h"
 #include "remove_const_function_pointers.h"
 
-class remove_function_pointerst:public messaget
+class remove_function_pointerst
 {
 public:
   remove_function_pointerst(
@@ -59,6 +59,7 @@ class remove_function_pointerst:public messaget
     const functionst &functions);
 
 protected:
+  messaget log;
   const namespacet ns;
   symbol_tablet &symbol_table;
   bool add_safety_assertion;
@@ -114,7 +115,7 @@ remove_function_pointerst::remove_function_pointerst(
   symbol_tablet &_symbol_table,
   bool _add_safety_assertion, bool only_resolve_const_fps,
   const goto_functionst &goto_functions):
-  messaget(_message_handler),
+  log(_message_handler),
   ns(_symbol_table),
   symbol_table(_symbol_table),
   add_safety_assertion(_add_safety_assertion),
@@ -304,9 +305,10 @@ void remove_function_pointerst::remove_function_pointer(
   const auto does_remove_const = const_removal_check();
   if(does_remove_const.first)
   {
-    warning().source_location = does_remove_const.second;
-    warning() << "cast from const to non-const pointer found, only worst case"
-              << " function pointer removal will be done." << eom;
+    log.warning().source_location = does_remove_const.second;
+    log.warning() << "cast from const to non-const pointer found, "
+                  << "only worst case function pointer removal will be done."
+                  << messaget::eom;
     found_functions=false;
   }
   else
@@ -455,13 +457,14 @@ void remove_function_pointerst::remove_function_pointer(
   target->type=OTHER;
 
   // report statistics
-  statistics().source_location=target->source_location;
-  statistics() << "replacing function pointer by "
-               << functions.size() << " possible targets" << eom;
+  log.statistics().source_location=target->source_location;
+  log.statistics() << "replacing function pointer by "
+                   << functions.size() << " possible targets"
+                   << messaget::eom;
 
   // list the names of functions when verbosity is at debug level
   conditional_output(
-    debug(),
+    log.debug(),
     [&functions](mstreamt &mstream) {
       mstream << "targets: ";