show_goto_functions: sort alphabetically

Author: kroening

src/goto-programs/goto_functions.cpp

@@ -73,3 +73,44 @@ void goto_functionst::compute_loop_numbers()
     func.second.body.compute_loop_numbers();
   }
 }
+
+/// returns a vector of the iterators in alphabetical order
+std::vector<goto_functionst::function_mapt::const_iterator>
+goto_functionst::sorted() const
+{
+  std::vector<function_mapt::const_iterator> result;
+
+  result.reserve(function_map.size());
+
+  for(auto it = function_map.begin(); it != function_map.end(); it++)
+    result.push_back(it);
+
+  std::sort(
+    result.begin(),
+    result.end(),
+    [](function_mapt::const_iterator a, function_mapt::const_iterator b) {
+      return id2string(a->first) < id2string(b->first);
+    });
+
+  return result;
+}
+
+/// returns a vector of the iterators in alphabetical order
+std::vector<goto_functionst::function_mapt::iterator> goto_functionst::sorted()
+{
+  std::vector<function_mapt::iterator> result;
+
+  result.reserve(function_map.size());
+
+  for(auto it = function_map.begin(); it != function_map.end(); it++)
+    result.push_back(it);
+
+  std::sort(
+    result.begin(),
+    result.end(),
+    [](function_mapt::iterator a, function_mapt::iterator b) {
+      return id2string(a->first) < id2string(b->first);
+    });
+
+  return result;
+}

src/goto-programs/goto_functions.h

@@ -118,6 +118,9 @@ class goto_functionst
     for(const auto &fun : other.function_map)
       function_map[fun.first].copy_from(fun.second);
   }
+
+  std::vector<function_mapt::const_iterator> sorted() const;
+  std::vector<function_mapt::iterator> sorted();
 };
 
 #define Forall_goto_functions(it, functions) \

src/goto-programs/show_goto_functions.cpp

@@ -51,10 +51,13 @@ void show_goto_functions(
 
   case ui_message_handlert::uit::PLAIN:
     {
-      for(const auto &fun : goto_functions.function_map)
+      // sort alphabetically
+      const auto sorted = goto_functions.sorted();
+
+      for(const auto &fun : sorted)
       {
-        const symbolt &symbol = ns.lookup(fun.first);
-        const bool has_body = fun.second.body_available();
+        const symbolt &symbol = ns.lookup(fun->first);
+        const bool has_body = fun->second.body_available();
 
         if(list_only)
         {
@@ -67,10 +70,9 @@ void show_goto_functions(
         {
           msg.status() << "^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n\n";
 
-          const symbolt &symbol = ns.lookup(fun.first);
           msg.status() << messaget::bold << symbol.display_name()
                        << messaget::reset << " /* " << symbol.name << " */\n";
-          fun.second.body.output(ns, symbol.name, msg.status());
+          fun->second.body.output(ns, symbol.name, msg.status());
           msg.status() << messaget::eom;
         }
       }

src/goto-programs/show_goto_functions_json.cpp

@@ -41,10 +41,13 @@ json_objectt show_goto_functions_jsont::convert(
 {
   json_arrayt json_functions;
   const json_irept no_comments_irep_converter(false);
-  for(const auto &function_entry : goto_functions.function_map)
+
+  const auto sorted = goto_functions.sorted();
+
+  for(const auto &function_entry : sorted)
   {
-    const irep_idt &function_name=function_entry.first;
-    const goto_functionst::goto_functiont &function=function_entry.second;
+    const irep_idt &function_name = function_entry->first;
+    const goto_functionst::goto_functiont &function = function_entry->second;
 
     json_objectt &json_function=
       json_functions.push_back(jsont()).make_object();

src/goto-programs/show_goto_functions_xml.cpp

@@ -43,10 +43,13 @@ xmlt show_goto_functions_xmlt::convert(
   const goto_functionst &goto_functions)
 {
   xmlt xml_functions=xmlt("functions");
-  for(const auto &function_entry : goto_functions.function_map)
+
+  const auto sorted = goto_functions.sorted();
+
+  for(const auto &function_entry : sorted)
   {
-    const irep_idt &function_name=function_entry.first;
-    const goto_functionst::goto_functiont &function=function_entry.second;
+    const irep_idt &function_name = function_entry->first;
+    const goto_functionst::goto_functiont &function = function_entry->second;
 
     xmlt &xml_function=xml_functions.new_element("function");
     xml_function.set_attribute("name", id2string(function_name));