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| author | Tim Peters <tim.peters@gmail.com> | 2001-06-23 02:07:08 (GMT) |
|---|---|---|
| committer | Tim Peters <tim.peters@gmail.com> | 2001-06-23 02:07:08 (GMT) |
| commit | 95c80f84392e6fb2a023542a0a4a50dfe3298cc2 (patch) | |
| tree | ee3a0dcb30c7faf07acd213f202cf8f9822954bd /Python/compile.c | |
| parent | 1bf198e946a10eb34d6e2a8a5beccb67c88ab7d6 (diff) | |
| download | cpython-95c80f84392e6fb2a023542a0a4a50dfe3298cc2.zip cpython-95c80f84392e6fb2a023542a0a4a50dfe3298cc2.tar.gz cpython-95c80f84392e6fb2a023542a0a4a50dfe3298cc2.tar.bz2 | |
Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Derived from Thomas Wouters's patch on the Iterators list, but doesn't
try to read c->c_block[c->c_nblocks].
Diffstat (limited to 'Python/compile.c')
| -rw-r--r-- | Python/compile.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Python/compile.c b/Python/compile.c index 6c13bb9..843cf09 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -2659,10 +2659,20 @@ com_return_stmt(struct compiling *c, node *n) static void com_yield_stmt(struct compiling *c, node *n) { + int i; REQ(n, yield_stmt); /* 'yield' testlist */ if (!c->c_infunction) { com_error(c, PyExc_SyntaxError, "'yield' outside function"); } + + for (i = 0; i < c->c_nblocks; ++i) { + if (c->c_block[i] == SETUP_FINALLY) { + com_error(c, PyExc_SyntaxError, + "'yield' not allowed in a 'try' block " + "with a 'finally' clause"); + return; + } + } com_node(c, CHILD(n, 1)); com_addbyte(c, YIELD_VALUE); com_pop(c, 1); |