diff options
Diffstat (limited to 'Python/ceval.c')
| -rw-r--r-- | Python/ceval.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/Python/ceval.c b/Python/ceval.c index 501a9a0..0f2b173 100644 --- a/Python/ceval.c +++ b/Python/ceval.c @@ -599,7 +599,7 @@ PyEval_EvalFrameEx(PyFrameObject *f, int throw) /* Code access macros */ -#define INSTR_OFFSET() (next_instr - first_instr) +#define INSTR_OFFSET() ((int)(next_instr - first_instr)) #define NEXTOP() (*next_instr++) #define NEXTARG() (next_instr += 2, (next_instr[-1]<<8) + next_instr[-2]) #define PEEKARG() ((next_instr[2]<<8) + next_instr[1]) @@ -637,7 +637,9 @@ PyEval_EvalFrameEx(PyFrameObject *f, int throw) /* Stack manipulation macros */ -#define STACK_LEVEL() (stack_pointer - f->f_valuestack) +/* The stack can grow at most MAXINT deep, as co_nlocals and + co_stacksize are ints. */ +#define STACK_LEVEL() ((int)(stack_pointer - f->f_valuestack)) #define EMPTY() (STACK_LEVEL() == 0) #define TOP() (stack_pointer[-1]) #define SECOND() (stack_pointer[-2]) @@ -3857,7 +3859,7 @@ ext_do_call(PyObject *func, PyObject ***pp_stack, int flags, int na, int nk) called by the SLICE opcode with v and/or w equal to NULL. */ int -_PyEval_SliceIndex(PyObject *v, int *pi) +_PyEval_SliceIndex(PyObject *v, Py_ssize_t *pi) { if (v != NULL) { long x; @@ -3906,6 +3908,7 @@ _PyEval_SliceIndex(PyObject *v, int *pi) return 0; } /* Truncate -- very long indices are truncated anyway */ + /* XXX truncate by ssize maximum */ if (x > INT_MAX) x = INT_MAX; else if (x < -INT_MAX) @@ -3925,7 +3928,7 @@ apply_slice(PyObject *u, PyObject *v, PyObject *w) /* return u[v:w] */ PySequenceMethods *sq = tp->tp_as_sequence; if (sq && sq->sq_slice && ISINT(v) && ISINT(w)) { - int ilow = 0, ihigh = INT_MAX; + Py_ssize_t ilow = 0, ihigh = INT_MAX; if (!_PyEval_SliceIndex(v, &ilow)) return NULL; if (!_PyEval_SliceIndex(w, &ihigh)) @@ -3952,7 +3955,7 @@ assign_slice(PyObject *u, PyObject *v, PyObject *w, PyObject *x) PySequenceMethods *sq = tp->tp_as_sequence; if (sq && sq->sq_slice && ISINT(v) && ISINT(w)) { - int ilow = 0, ihigh = INT_MAX; + Py_ssize_t ilow = 0, ihigh = INT_MAX; if (!_PyEval_SliceIndex(v, &ilow)) return -1; if (!_PyEval_SliceIndex(w, &ihigh)) |