Migrate all uses of message_streamt to messaget

regression/ansi-c/message_handling1/main.c

@@ -0,0 +1,9 @@
+int main()
+{
+  goto bla;
+
+  for(int i=0; i<5; ++i)
+  {
+bla: i=10;
+  }
+}

regression/ansi-c/message_handling1/test.desc

@@ -0,0 +1,7 @@
+CORE
+main.c
+--verbosity 2
+^EXIT=0$
+^SIGNAL=0$
+--
+encountered goto `bla' that enters one or more lexical blocks

src/ansi-c/ansi_c_typecheck.cpp

@@ -72,6 +72,9 @@ bool ansi_c_typecheck(
   message_handlert &message_handler,
   const namespacet &ns)
 {
+  const unsigned errors_before=
+    message_handler.get_message_count(messaget::M_ERROR);
+
   symbol_tablet symbol_table;
   ansi_c_parse_treet ansi_c_parse_tree;
 
@@ -99,5 +102,5 @@ bool ansi_c_typecheck(
     ansi_c_typecheck.error() << e << messaget::eom;
   }
 
-  return ansi_c_typecheck.get_error_found();
+  return message_handler.get_message_count(messaget::M_ERROR)!=errors_before;
 }

src/cbmc/cbmc_parse_options.cpp

@@ -655,7 +655,7 @@ int cbmc_parse_optionst::get_goto_program(
 
       language->set_message_handler(get_message_handler());
 
-      status("Parsing", filename);
+      status() << "Parsing " << filename << eom;
 
       if(language->parse(infile, filename))
       {

src/clobber/clobber_parse_options.cpp

@@ -326,7 +326,7 @@ bool clobber_parse_optionst::get_goto_program(
 
       language->set_message_handler(get_message_handler());
 
-      status("Parsing", filename);
+      status() << "Parsing " << filename << eom;
 
       if(language->parse(infile, filename))
       {

src/cpp/cpp_typecheck.cpp

@@ -178,6 +178,9 @@ bool cpp_typecheck(
   message_handlert &message_handler,
   const namespacet &ns)
 {
+  const unsigned errors_before=
+    message_handler.get_message_count(messaget::M_ERROR);
+
   symbol_tablet symbol_table;
   cpp_parse_treet cpp_parse_tree;
 
@@ -204,7 +207,7 @@ bool cpp_typecheck(
     cpp_typecheck.error() << e << messaget::eom;
   }
 
-  return cpp_typecheck.get_error_found();
+  return message_handler.get_message_count(messaget::M_ERROR)!=errors_before;
 }
 
 /*******************************************************************\

src/goto-cc/armcc_mode.cpp

@@ -46,7 +46,7 @@ int armcc_modet::doit()
 
   unsigned int verbosity=1;
 
-  compilet compiler(cmdline);
+  compilet compiler(cmdline, message_handler, cmdline.isset("diag_error="));
 
   #if 0
   bool act_as_ld=

src/goto-cc/as_mode.cpp

@@ -159,8 +159,7 @@ int as_modet::doit()
   config.set(cmdline);
 
   // determine actions to be undertaken
-  compilet compiler(cmdline);
-  compiler.ui_message_handler.set_verbosity(verbosity);
+  compilet compiler(cmdline, message_handler, cmdline.isset("fatal-warnings"));
 
   if(cmdline.isset('b')) // as86 only
   {

src/goto-cc/compile.cpp

@@ -121,6 +121,9 @@ bool compilet::doit()
     return true;
   }
 
+  const unsigned warnings_before=
+    get_message_handler().get_message_count(messaget::M_WARNING);
+
   if(source_files.size()>0)
     if(compile())
       return true;
@@ -133,7 +136,10 @@ bool compilet::doit()
       return true;
   }
 
-  return false;
+  return
+    warning_is_fatal &&
+    get_message_handler().get_message_count(messaget::M_WARNING)!=
+    warnings_before;
 }
 
 /*******************************************************************\
@@ -156,8 +162,8 @@ bool compilet::add_input_file(const std::string &file_name)
     std::ifstream in(file_name);
     if(!in)
     {
-      error() << "failed to open file `" << file_name << "'" << eom;
-      return false; // generously ignore
+      warning() << "failed to open file `" << file_name << "'" << eom;
+      return warning_is_fatal; // generously ignore unless -Werror
     }
   }
 
@@ -168,7 +174,7 @@ bool compilet::add_input_file(const std::string &file_name)
     // a file without extension; will ignore
     warning() << "input file `" << file_name
               << "' has no extension, not considered" << eom;
-    return false;
+    return warning_is_fatal;
   }
 
   std::string ext = file_name.substr(r+1, file_name.length());
@@ -329,7 +335,7 @@ bool compilet::find_library(const std::string &name)
       else if(is_elf_file(libname))
       {
         warning() << "Warning: Cannot read ELF library " << libname << eom;
-        return false;
+        return warning_is_fatal;
       }
     }
   }
@@ -383,7 +389,7 @@ Function: compilet::link
 bool compilet::link()
 {
   // "compile" hitherto uncompiled functions
-  print(8, "Compiling functions");
+  statistics() << "Compiling functions" << eom;
   convert_symbols(compiled_functions);
 
   // parse object files
@@ -409,7 +415,7 @@ bool compilet::link()
     symbol_table.remove(goto_functionst::entry_point());
     compiled_functions.function_map.erase(goto_functionst::entry_point());
 
-    if(ansi_c_entry_point(symbol_table, "main", ui_message_handler))
+    if(ansi_c_entry_point(symbol_table, "main", get_message_handler()))
       return true;
 
     // entry_point may (should) add some more functions.
@@ -554,7 +560,7 @@ bool compilet::parse(const std::string &file_name)
 
   if(mode==PREPROCESS_ONLY)
   {
-    print(8, "Preprocessing: "+file_name);
+    statistics() << "Preprocessing: " << file_name << eom;
 
     std::ostream *os = &std::cout;
     std::ofstream ofs;
@@ -576,7 +582,7 @@ bool compilet::parse(const std::string &file_name)
   }
   else
   {
-    print(8, "Parsing: "+file_name);
+    statistics() << "Parsing: " << file_name << eom;
 
     if(language.parse(infile, file_name))
     {
@@ -608,7 +614,7 @@ bool compilet::parse_stdin()
 
   language.set_message_handler(get_message_handler());
 
-  print(8, "Parsing: (stdin)");
+  statistics() << "Parsing: (stdin)" << eom;
 
   if(mode==PREPROCESS_ONLY)
   {
@@ -752,11 +758,11 @@ Function: compilet::compilet
 
 \*******************************************************************/
 
-compilet::compilet(cmdlinet &_cmdline):
-  language_uit(_cmdline, ui_message_handler),
-  ui_message_handler(_cmdline, "goto-cc " CBMC_VERSION),
+compilet::compilet(cmdlinet &_cmdline, ui_message_handlert &mh, bool Werror):
+  language_uit(_cmdline, mh),
   ns(symbol_table),
-  cmdline(_cmdline)
+  cmdline(_cmdline),
+  warning_is_fatal(Werror)
 {
   mode=COMPILE_LINK_EXECUTABLE;
   echo_file_name=false;
@@ -842,7 +848,7 @@ Function: compilet::convert_symbols
 
 void compilet::convert_symbols(goto_functionst &dest)
 {
-  goto_convert_functionst converter(symbol_table, dest, ui_message_handler);
+  goto_convert_functionst converter(symbol_table, dest, get_message_handler());
 
   // the compilation may add symbols!
 
@@ -872,7 +878,7 @@ void compilet::convert_symbols(goto_functionst &dest)
           s_it->second.value.id()!="compiled" &&
           s_it->second.value.is_not_nil())
       {
-        print(9, "Compiling "+id2string(s_it->first));
+        debug() << "Compiling " << s_it->first << eom;
         converter.convert_function(s_it->first);
         s_it->second.value=exprt("compiled");
       }

src/goto-cc/compile.h

@@ -20,7 +20,6 @@ Date: June 2006
 class compilet:public language_uit
 {
 public:
-  ui_message_handlert ui_message_handler;
   namespacet ns;
   goto_functionst compiled_functions;
   bool echo_file_name;
@@ -45,7 +44,7 @@ class compilet:public language_uit
   std::string object_file_extension;
   std::string output_file_object, output_file_executable;
 
-  explicit compilet(cmdlinet &_cmdline);
+  compilet(cmdlinet &_cmdline, ui_message_handlert &mh, bool Werror);
 
   ~compilet();
 
@@ -72,6 +71,7 @@ class compilet:public language_uit
 
 protected:
   cmdlinet &cmdline;
+  bool warning_is_fatal;
 
   unsigned function_body_count(const goto_functionst &);
 

src/goto-cc/cw_mode.cpp

@@ -46,7 +46,7 @@ int cw_modet::doit()
 
   unsigned int verbosity=1;
 
-  compilet compiler(cmdline);
+  compilet compiler(cmdline, message_handler, cmdline.isset("Werror"));
 
   #if 0
   bool act_as_ld=

src/goto-cc/gcc_mode.cpp

@@ -218,7 +218,7 @@ int gcc_modet::doit()
     return EX_OK;
   }
 
-  if(cmdline.isset("Wall"))
+  if(cmdline.isset("Wall") || cmdline.isset("Wextra"))
     verbosity=2;
 
   if(cmdline.isset("verbosity"))
@@ -303,8 +303,11 @@ int gcc_modet::doit()
     config.ansi_c.double_width=config.ansi_c.single_width;
 
   // determine actions to be undertaken
-  compilet compiler(cmdline);
-  compiler.set_message_handler(get_message_handler());
+  compilet compiler(cmdline,
+                    gcc_message_handler,
+                    cmdline.isset("Werror") &&
+                    cmdline.isset("Wextra") &&
+                    !cmdline.isset("Wno-error"));
 
   if(act_as_ld)
     compiler.mode=compilet::LINK_LIBRARY;

src/goto-cc/ms_cl_mode.cpp

@@ -59,7 +59,7 @@ int ms_cl_modet::doit()
 
   unsigned int verbosity=1;
 
-  compilet compiler(cmdline);
+  compilet compiler(cmdline, message_handler, cmdline.isset("WX"));
 
   #if 0
   bool act_as_ld=

src/goto-programs/goto_convert.cpp

@@ -2866,6 +2866,9 @@ void goto_convert(
   goto_programt &dest,
   message_handlert &message_handler)
 {
+  const unsigned errors_before=
+    message_handler.get_message_count(messaget::M_ERROR);
+
   goto_convertt goto_convert(symbol_table, message_handler);
 
   try
@@ -2876,20 +2879,20 @@ void goto_convert(
   catch(int)
   {
     goto_convert.error();
-    throw 0;
   }
 
   catch(const char *e)
   {
     goto_convert.error() << e << messaget::eom;
-    throw 0;
   }
 
   catch(const std::string &e)
   {
     goto_convert.error() << e << messaget::eom;
-    throw 0;
   }
+
+  if(message_handler.get_message_count(messaget::M_ERROR)!=errors_before)
+    throw 0;
 }
 
 /*******************************************************************\

src/goto-programs/goto_convert_functions.cpp

@@ -330,6 +330,9 @@ void goto_convert(
   goto_functionst &functions,
   message_handlert &message_handler)
 {
+  const unsigned errors_before=
+    message_handler.get_message_count(messaget::M_ERROR);
+
   goto_convert_functionst goto_convert_functions(
     symbol_table, functions, message_handler);
 
@@ -341,20 +344,20 @@ void goto_convert(
   catch(int)
   {
     goto_convert_functions.error();
-    throw 0;
   }
 
   catch(const char *e)
   {
     goto_convert_functions.error() << e << messaget::eom;
-    throw 0;
   }
 
   catch(const std::string &e)
   {
     goto_convert_functions.error() << e << messaget::eom;
-    throw 0;
   }
+
+  if(message_handler.get_message_count(messaget::M_ERROR)!=errors_before)
+    throw 0;
 }
 
 /*******************************************************************\
@@ -375,6 +378,9 @@ void goto_convert(
   goto_functionst &functions,
   message_handlert &message_handler)
 {
+  const unsigned errors_before=
+    message_handler.get_message_count(messaget::M_ERROR);
+
   goto_convert_functionst goto_convert_functions(
     symbol_table, functions, message_handler);
 
@@ -386,18 +392,18 @@ void goto_convert(
   catch(int)
   {
     goto_convert_functions.error();
-    throw 0;
   }
 
   catch(const char *e)
   {
     goto_convert_functions.error() << e << messaget::eom;
-    throw 0;
   }
 
   catch(const std::string &e)
   {
     goto_convert_functions.error() << e << messaget::eom;
-    throw 0;
   }
+
+  if(message_handler.get_message_count(messaget::M_ERROR)!=errors_before)
+    throw 0;
 }

src/goto-programs/initialize_goto_model.cpp

@@ -91,7 +91,10 @@ bool initialize_goto_model(
 
         if(lf.language==NULL)
         {
-          msg.error("failed to figure out type of file", filename);
+          source_locationt location;
+          location.set_file(filename);
+          msg.error().source_location=location;
+          msg.error() << "failed to figure out type of file" << messaget::eom;
           return true;
         }