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| author | Fred Drake <fdrake@acm.org> | 2001-08-30 18:53:25 (GMT) |
|---|---|---|
| committer | Fred Drake <fdrake@acm.org> | 2001-08-30 18:53:25 (GMT) |
| commit | 14ef244dfe8b79694d4baa48ceda874fe27ec05d (patch) | |
| tree | e6efd23ed34b577d293e4dff143c782e4d611969 /Python/compile.c | |
| parent | 4b8c0f6d7d66e2ca8f3a80d1b9ba01afee88f574 (diff) | |
| download | cpython-14ef244dfe8b79694d4baa48ceda874fe27ec05d.zip cpython-14ef244dfe8b79694d4baa48ceda874fe27ec05d.tar.gz cpython-14ef244dfe8b79694d4baa48ceda874fe27ec05d.tar.bz2 | |
When re-writing a factor containing a unary negation of a literal, only
affect nodes without another operator. This was causing negated
exponentiations to drop the exponentiation. This closes SF bug #456756.
Diffstat (limited to 'Python/compile.c')
| -rw-r--r-- | Python/compile.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Python/compile.c b/Python/compile.c index 1921220..171fceb 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -1891,8 +1891,11 @@ com_factor(struct compiling *c, node *n) negative in the 0th position. */ if ((childtype == PLUS || childtype == MINUS || childtype == TILDE) + && NCH(n) == 2 && TYPE(CHILD(n, 1)) == factor + && NCH(CHILD(n, 1)) == 1 && TYPE(CHILD(CHILD(n, 1), 0)) == power + && NCH(CHILD(CHILD(n, 1), 0)) == 1 && TYPE(CHILD(CHILD(CHILD(n, 1), 0), 0)) == atom && TYPE(CHILD(CHILD(CHILD(CHILD(n, 1), 0), 0), 0)) == NUMBER) { node *constant = CHILD(CHILD(CHILD(n, 1), 0), 0); |