Add list-goto-functions command line option

Author: peterschrammel

src/goto-programs/show_goto_functions.cpp

@@ -30,34 +30,52 @@ Author: Peter Schrammel
 void show_goto_functions(
   const namespacet &ns,
   ui_message_handlert::uit ui,
-  const goto_functionst &goto_functions)
+  const goto_functionst &goto_functions,
+  bool list_only)
 {
   switch(ui)
   {
   case ui_message_handlert::uit::XML_UI:
   {
-    show_goto_functions_xmlt xml_show_functions(ns);
+    show_goto_functions_xmlt xml_show_functions(ns, list_only);
     xml_show_functions(goto_functions, std::cout);
   }
   break;
 
   case ui_message_handlert::uit::JSON_UI:
   {
-    show_goto_functions_jsont json_show_functions(ns);
+    show_goto_functions_jsont json_show_functions(ns, list_only);
     json_show_functions(goto_functions, std::cout);
   }
   break;
 
   case ui_message_handlert::uit::PLAIN:
-    goto_functions.output(ns, std::cout);
+    if(list_only)
+    {
+      for(const auto &fun : goto_functions.function_map)
+      {
+        const symbolt &symbol = ns.lookup(fun.first);
+        std::cout << '\n'
+                  << symbol.display_name() << " /* " << symbol.name
+                  << (fun.second.body_available() ? ""
+                                                  : ", body not available")
+                  << " */";
+      }
+
+      std::cout << std::endl;
+    }
+    else
+      goto_functions.output(ns, std::cout);
+
     break;
   }
 }
 
 void show_goto_functions(
   const goto_modelt &goto_model,
-  ui_message_handlert::uit ui)
+  ui_message_handlert::uit ui,
+  bool list_only)
 {
   const namespacet ns(goto_model.symbol_table);
-  show_goto_functions(ns, ui, goto_model.goto_functions);
+  show_goto_functions(ns, ui, goto_model.goto_functions, list_only);
 }

src/goto-programs/show_goto_functions.h

@@ -18,19 +18,25 @@ class namespacet;
 class goto_modelt;
 class goto_functionst;
 
+// clang-format off
 #define OPT_SHOW_GOTO_FUNCTIONS \
-  "(show-goto-functions)"
+  "(show-goto-functions)" \
+  "(list-goto-functions)"
 
 #define HELP_SHOW_GOTO_FUNCTIONS \
-  " --show-goto-functions        show goto program\n"
+  " --show-goto-functions        show goto program\n" \
+  " --list-goto-functions        list goto functions\n"
+// clang-format on
 
 void show_goto_functions(
   const namespacet &ns,
   ui_message_handlert::uit ui,
-  const goto_functionst &goto_functions);
+  const goto_functionst &goto_functions,
+  bool list_only = false);
 
 void show_goto_functions(
   const goto_modelt &,
-  ui_message_handlert::uit ui);
+  ui_message_handlert::uit ui,
+  bool list_only = false);
 
 #endif // CPROVER_GOTO_PROGRAMS_SHOW_GOTO_FUNCTIONS_H