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Changes to support other object types besides strings

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as the code string of code objects, as long as they support
the (readonly) buffer interface.  By Greg Stein.
This commit is contained in:
Guido van Rossum 1998-10-07 19:42:25 +00:00
parent 437ff8600a
commit d076c73cc8
5 changed files with 61 additions and 16 deletions
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23
Python/compile.c
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@ -121,9 +121,11 @@ code_repr(co)
{
char buf[500];
int lineno = -1;
char *p = PyString_AS_STRING(co->co_code);
unsigned char *p;
char *filename = "???";
char *name = "???";
_PyCode_GETCODEPTR(co, &p);
if (*p == SET_LINENO)
lineno = (p[1] & 0xff) | ((p[2] & 0xff) << 8);
if (co->co_filename && PyString_Check(co->co_filename))
@ -146,8 +148,7 @@ code_compare(co, cp)
if (cmp) return cmp;
cmp = co->co_flags - cp->co_flags;
if (cmp) return cmp;
cmp = PyObject_Compare((PyObject *)co->co_code,
(PyObject *)cp->co_code);
cmp = PyObject_Compare(co->co_code, cp->co_code);
if (cmp) return cmp;
cmp = PyObject_Compare(co->co_consts, cp->co_consts);
if (cmp) return cmp;
@ -162,7 +163,7 @@ code_hash(co)
PyCodeObject *co;
{
long h, h1, h2, h3, h4;
h1 = PyObject_Hash((PyObject *)co->co_code);
h1 = PyObject_Hash(co->co_code);
if (h1 == -1) return -1;
h2 = PyObject_Hash(co->co_consts);
if (h2 == -1) return -1;
@ -216,9 +217,10 @@ PyCode_New(argcount, nlocals, stacksize, flags,
{
PyCodeObject *co;
int i;
PyBufferProcs *pb;
/* Check argument types */
if (argcount < 0 || nlocals < 0 ||
code == NULL || !PyString_Check(code) ||
code == NULL ||
consts == NULL || !PyTuple_Check(consts) ||
names == NULL || !PyTuple_Check(names) ||
varnames == NULL || !PyTuple_Check(varnames) ||
@ -228,6 +230,15 @@ PyCode_New(argcount, nlocals, stacksize, flags,
PyErr_BadInternalCall();
return NULL;
}
pb = code->ob_type->tp_as_buffer;
if (pb == NULL ||
pb->bf_getreadbuffer == NULL ||
pb->bf_getsegcount == NULL ||
(*pb->bf_getsegcount)(code, NULL) != 1)
{
PyErr_BadInternalCall();
return NULL;
}
/* Make sure names and varnames are all strings, & intern them */
for (i = PyTuple_Size(names); --i >= 0; ) {
PyObject *v = PyTuple_GetItem(names, i);
@ -264,7 +275,7 @@ PyCode_New(argcount, nlocals, stacksize, flags,
co->co_stacksize = stacksize;
co->co_flags = flags;
Py_INCREF(code);
co->co_code = (PyStringObject *)code;
co->co_code = code;
Py_INCREF(consts);
co->co_consts = consts;
Py_INCREF(names);