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| author | Guido van Rossum <guido@python.org> | 1990-11-18 17:39:41 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 1990-11-18 17:39:41 (GMT) |
| commit | 840bcf11a84430826f26e3a9ecce356fff536ed2 (patch) | |
| tree | 6873670bd390595b75243dfaa4c17ad07d0c4e21 | |
| parent | 99f02d43f3d8d771b9e1b4784a72937bffff5647 (diff) | |
| download | cpython-840bcf11a84430826f26e3a9ecce356fff536ed2.zip cpython-840bcf11a84430826f26e3a9ecce356fff536ed2.tar.gz cpython-840bcf11a84430826f26e3a9ecce356fff536ed2.tar.bz2 | |
Set parse tree in parser data structure to NULL when returning
a valid parse tree to caller, so caller must free the tree.
| -rw-r--r-- | Parser/parsetok.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/Parser/parsetok.c b/Parser/parsetok.c index 01877a1..100ca65 100644 --- a/Parser/parsetok.c +++ b/Parser/parsetok.c @@ -53,8 +53,10 @@ parsetok(tok, g, start, n_ret) str[len] = '\0'; ret = addtoken(ps, (int)type, str); if (ret != E_OK) { - if (ret == E_DONE) + if (ret == E_DONE) { *n_ret = ps->p_tree; + ps->p_tree = NULL; + } else if (tok->lineno <= 1 && tok->done == E_EOF) ret = E_EOF; break; @@ -112,8 +114,7 @@ parsefile(fp, g, start, ps1, ps2, n_ret) ret = parsetok(tok, g, start, n_ret); if (ret == E_TOKEN || ret == E_SYNTAX) { char *p; - fprintf(stderr, "Parsing error at line %d:\n", - tok->lineno); + fprintf(stderr, "Parsing error at line %d:\n", tok->lineno); *tok->inp = '\0'; if (tok->inp > tok->buf && tok->inp[-1] == '\n') tok->inp[-1] = '\0'; |