gcc_cfg_for_each_block (gcc_cfg cfg,
bool (*cb) (gcc_cfg_block block, void *user_data),
void *user_data)
{
int i;
for (i = 0; i < cfg.inner->x_n_basic_blocks; i++)
{
basic_block bb = GCC_COMPAT_VEC_INDEX (basic_block,
cfg.inner->x_basic_block_info,
i);
if (cb (gcc_private_make_cfg_block (bb), user_data))
{
return true;
}
}
return false;
}
PyObject *
get_operand_as_object(const_rtx in_rtx, int idx, char fmt)
{
const char *str;
/* The operand types are described in gcc/rtl.c */
switch (fmt) {
case 'T': /* pointer to a string, with special meaning */
str = XTMPL (in_rtx, idx);
goto string;
case 'S': /* optional pointer to a string */
case 's': /* a pointer to a string */
str = XSTR (in_rtx, idx);
string:
return PyGccStringOrNone(str);
case '0': /* unused, or used in a phase-dependent manner */
Py_RETURN_NONE; /* for now */
case 'e': /* pointer to an rtl expression */
/* Nested expression: */
return PyGccRtl_New(
gcc_private_make_rtl_insn(XEXP (in_rtx, idx)));
case 'E':
case 'V':
/* Nested list of expressions */
{
PyObject *list = PyList_New(XVECLEN (in_rtx, idx));
int j;
if (!list) {
return NULL;
}
for (j = 0; j < XVECLEN (in_rtx, idx); j++) {
PyObject *item = PyGccRtl_New(
gcc_private_make_rtl_insn(XVECEXP (in_rtx, idx, j)));
if (!item) {
Py_DECREF(list);
return NULL;
}
if (-1 == PyList_Append(list, item)) {
Py_DECREF(item);
Py_DECREF(list);
return NULL;
}
Py_DECREF(item);
}
return list;
}
case 'w':
return PyGccInt_FromLong(XWINT (in_rtx, idx));
case 'i':
return PyGccInt_FromLong(XINT (in_rtx, idx));
case 'n':
/* Return NOTE_INSN names rather than integer codes. */
return PyGccStringOrNone(GET_NOTE_INSN_NAME (XINT (in_rtx, idx)));
case 'u': /* a pointer to another insn */
Py_RETURN_NONE; /* for now */
case 't':
return PyGccTree_New(gcc_private_make_tree(XTREE (in_rtx, idx)));
case '*':
Py_RETURN_NONE; /* for now */
case 'B':
return PyGccBasicBlock_New(
gcc_private_make_cfg_block(XBBDEF (in_rtx, idx)));
default:
gcc_unreachable ();
}
}
GCC_IMPLEMENT_PUBLIC_API (gcc_cfg_block) gcc_cfg_get_exit (gcc_cfg cfg)
{
return gcc_private_make_cfg_block (cfg.inner->x_exit_block_ptr);
}
