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Ugly. A pile of new xxxFlags() functions, to communicate to the parser

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that 'yield' is a keyword.  This doesn't help test_generators at all!  I
don't know why not.  These things do work now (and didn't before this
patch):

1. "from __future__ import generators" now works in a native shell.

2. Similarly "python -i xxx.py" now has generators enabled in the
   shell if xxx.py had them enabled.

3. This program (which was my doctest proxy) works fine:

from __future__ import generators

source = """\
def f():
    yield 1
"""

exec compile(source, "", "single") in globals()
print type(f())
This commit is contained in:
Tim Peters 2001-07-16 05:37:24 +00:00
parent e75785a646
commit fe2127d3cb
5 changed files with 69 additions and 18 deletions
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8
Include/parsetok.h
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@ -17,11 +17,19 @@ typedef struct {
int expected;
} perrdetail;
#define PyPARSE_YIELD_IS_KEYWORD 0x0001
extern DL_IMPORT(node *) PyParser_ParseString(char *, grammar *, int,
perrdetail *);
extern DL_IMPORT(node *) PyParser_ParseFile (FILE *, char *, grammar *, int,
char *, char *, perrdetail *);
extern DL_IMPORT(node *) PyParser_ParseStringFlags(char *, grammar *, int,
perrdetail *, int);
extern DL_IMPORT(node *) PyParser_ParseFileFlags(FILE *, char *, grammar *,
int, char *, char *,
perrdetail *, int);
#ifdef __cplusplus
}
#endif