also save and restore symbol table context in parser (bug #35448) * parse-private.h: New file to define new symtab_context class. * Makefile.am (octinclude_HEADERS): Include it in the list. * lex.ll, oct-parse.yy: Include parse-private.h. * lex.ll (reset_parser): Clear parser_symtab_context. * parse.h (symtab_context): Delete variable declaration. * oct-parse.yy (symtab_context): Delete variable definition. (parser_symtab_context): New variable. (ABORT_PARSE, make_anon_fcn_handle, recover_from_parsing_function): Pop parser_symtab_context. (push_fcn_symtab, param_list_beg): Push parser_symtab_context.

--- a/src/lex.ll
+++ b/src/lex.ll
@@ -68,6 +68,7 @@
 #include "lex.h"
 #include "ov.h"
 #include "parse.h"
+#include "parse-private.h"
 #include "pt-all.h"
 #include "symtab.h"
 #include "token.h"
@@ -1113,8 +1114,7 @@
 
   parser_end_of_input = false;
 
-  while (! symtab_context.empty ())
-    symtab_context.pop ();
+  parser_symtab_context.clear ();
 
   // We do want a prompt by default.
   promptflag = 1;