move file-scope static autoload map variable and functions to evaluator * interpreter.h, interpreter.cc (interpreter::autoloaded_functions): New function. * pt-eval.h, pt-eval.cc (tree_evaluator::m_autoload_map): New member variable, replaces static file-scope variable in oct-parse.yy. (tree_evaluator::get_autoload_map, tree_evaluator::lookup_autoload, tree_evaluator::autoloaded_functions, tree_evaluator::add_autoload, tree_evaluator::reverse_lookup_autoload, tree_evaluator::remove_autoload): New functions, replace similar global and file-scope static functions in oct-parse.yy. Change all uses. (check_autoload_file): New function.

--- a/libinterp/corefcn/variables.cc	Sun Mar 31 20:50:10 2019 +0000
+++ b/libinterp/corefcn/variables.cc	Mon Apr 01 11:15:06 2019 +0000
@@ -61,6 +61,7 @@
 #include "ov-usr-fcn.h"
 #include "pager.h"
 #include "parse.h"
+#include "pt-eval.h"
 #include "syminfo.h"
 #include "symtab.h"
 #include "sysdep.h"
@@ -243,7 +244,9 @@
 
   if (search_any || search_file || search_dir)
     {
-      std::string file_name = octave::lookup_autoload (name);
+      octave::tree_evaluator& tw = interp.get_evaluator ();
+
+      std::string file_name = tw.lookup_autoload (name);
 
       if (file_name.empty ())
         {