Mercurial > cpython-lru_cache-weakref
diff Python/compile.c @ 18228:4ebd292c975f legacy-trunk
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].
| author | Tim Peters <tim.peters@gmail.com> |
|---|---|
| date | Sat, 23 Jun 2001 02:07:08 +0000 |
| parents | 7bc473b2c654 |
| children | 47717e5667eb |
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--- a/Python/compile.c Fri Jun 22 18:36:07 2001 +0000 +++ b/Python/compile.c Sat Jun 23 02:07:08 2001 +0000 @@ -2659,10 +2659,20 @@ 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);