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changeset 17618:77eff9c6fb09

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avoid memory leak when parsing function files (bug #40218) * oct-parse.in.yy (file): Delete opt_list if parsing a function file.
author John W. Eaton <jwe@octave.org>
date Wed, 09 Oct 2013 13:53:12 -0400
parents 9abb1422d60b
children 4288b90f18c4
files libinterp/parse-tree/oct-parse.in.yy
diffstat 1 files changed, 11 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/libinterp/parse-tree/oct-parse.in.yy	Wed Oct 09 17:33:50 2013 +0200
+++ b/libinterp/parse-tree/oct-parse.in.yy	Wed Oct 09 13:53:12 2013 -0400
@@ -1126,7 +1126,17 @@
 
 file            : INPUT_FILE opt_nl opt_list END_OF_INPUT
                   {
-                    if (! lexer.reading_fcn_file)
+                    if (lexer.reading_fcn_file)
+                      {
+                        // Delete the dummy statement_list we created
+                        // after parsing the function.  Any function
+                        // definitions found in the file have already
+                        // been stored in the symbol table or in
+                        // octave_base_parser::primary_fcn_ptr.
+
+                        delete $3;
+                      }
+                    else
                       {
                         tree_statement *end_of_script
                           = parser.make_end ("endscript", true,