Mercurial > hg > octave-kai
changeset 17684:1e8f8900a041
clean up partially constructed parse tree objects on parse errors (bug #40231)
* oct-parse.in.yy (%destructor): New declaration of cleanup actions to
take for items on the parser stack when a parse error occurs.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Fri, 11 Oct 2013 09:05:54 -0400 |
| parents | 99ffa521ecec |
| children | 484c9a6f4f27 |
| files | libinterp/parse-tree/oct-parse.in.yy |
| diffstat | 1 files changed, 7 insertions(+), 0 deletions(-) [+] |
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--- a/libinterp/parse-tree/oct-parse.in.yy +++ b/libinterp/parse-tree/oct-parse.in.yy @@ -298,6 +298,13 @@ %right PLUS_PLUS MINUS_MINUS %left '(' '.' '{' +// How to clean up if there is a parse error. We handle deleting tokens +// and comments seperately and separators are just characters. The +// remaining items are dynamically allocated parse tree objects that +// must be deleted. +%destructor { } <sep_type> <tok_val> <comment_type> <dummy_type> <> +%destructor { delete $$; } <*> + // Where to start. %start input