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Refactor future feature handling

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Replace uses of PyCF_xxx with CO_xxx.

Replace individual feature slots in PyFutureFeatures with single
bitmask ff_features.

When flags must be transfered among the three parts of the interpreter
that care about them -- the pythonrun layer, the compiler, and the
future feature parser -- can simply or (|) the definitions.
This commit is contained in:
Jeremy Hylton 2001-08-10 21:41:33 +00:00
parent fdd12f66bb
commit b857ba261f
4 changed files with 17 additions and 52 deletions
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10
Python/future.c
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@ -30,11 +30,11 @@ future_check_features(PyFutureFeatures *ff, node *n, char *filename)
REQ(ch, import_as_name);
feature = STR(CHILD(ch, 0));
if (strcmp(feature, FUTURE_NESTED_SCOPES) == 0) {
ff->ff_nested_scopes = 1;
continue;
} else if (strcmp(feature, FUTURE_GENERATORS) == 0) {
ff->ff_generators = 1;
ff->ff_features |= CO_GENERATOR_ALLOWED;
} else if (strcmp(feature, FUTURE_DIVISION) == 0) {
ff->ff_division = 1;
ff->ff_features |= CO_FUTURE_DIVISION;
} else if (strcmp(feature, "braces") == 0) {
PyErr_SetString(PyExc_SyntaxError,
"not a chance");
@ -234,9 +234,7 @@ PyNode_Future(node *n, char *filename)
return NULL;
ff->ff_found_docstring = 0;
ff->ff_last_lineno = -1;
ff->ff_nested_scopes = 0;
ff->ff_generators = 0;
ff->ff_division = 0;
ff->ff_features = 0;
if (future_parse(ff, n, filename) < 0) {
PyMem_Free((void *)ff);