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| author | Nick Coghlan <ncoghlan@gmail.com> | 2012-11-04 13:14:34 (GMT) |
|---|---|---|
| committer | Nick Coghlan <ncoghlan@gmail.com> | 2012-11-04 13:14:34 (GMT) |
| commit | aab9c2b2ead7b786947c367a9cc5d9c921b9ea99 (patch) | |
| tree | 323a662a1f65b39e90d28f9f259bc937467691a7 /Python/compile.c | |
| parent | 1321edaa55a8df94e739e6ea5e9e658f2b7bfcc2 (diff) | |
| download | cpython-aab9c2b2ead7b786947c367a9cc5d9c921b9ea99.zip cpython-aab9c2b2ead7b786947c367a9cc5d9c921b9ea99.tar.gz cpython-aab9c2b2ead7b786947c367a9cc5d9c921b9ea99.tar.bz2 | |
Issue #5765: Apply a hard recursion limit in the compiler
Previously, excessive nesting in expressions would blow the
stack and segfault the interpreter. Now, a hard limit based
on the configured recursion limit and a hardcoded scaling
factor is applied.
Diffstat (limited to 'Python/compile.c')
| -rw-r--r-- | Python/compile.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Python/compile.c b/Python/compile.c index ff55220..5016f99 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -141,6 +141,11 @@ struct compiler_unit { The u pointer points to the current compilation unit, while units for enclosing blocks are stored in c_stack. The u and c_stack are managed by compiler_enter_scope() and compiler_exit_scope(). + +Note that we don't track recursion levels during compilation - the +task of detecting and rejecting excessive levels of nesting is +handled by the symbol analysis pass. + */ struct compiler { |