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Free parse tree when deleting parser.

This commit is contained in:
Guido van Rossum 1990-11-18 17:38:42 +00:00
parent f1270274e2
commit 99f02d43f3
1 changed files with 3 additions and 2 deletions
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5
Parser/parser.c
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@ -96,8 +96,6 @@ newparser(g, start)
ps->p_grammar = g;
ps->p_tree = newnode(start);
if (ps->p_tree == NULL) {
if (ps->p_tree != NULL)
DEL(ps->p_tree); /* XXX freeing a node!?! */
DEL(ps);
return NULL;
}
@ -110,6 +108,9 @@ void
delparser(ps)
parser_state *ps;
{
/* NB If you want to save the parse tree,
you must set p_tree to NULL before calling delparser! */
freenode(ps->p_tree);
DEL(ps);
}