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Issue #26331: Implement the parsing part of PEP 515.

Browse source 
Thanks to Georg Brandl for the patch.
This commit is contained in:
Brett Cannon 2016-09-09 14:57:09 -07:00
parent ee73a65745
commit a721abac29
22 changed files with 743 additions and 205 deletions
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27
Python/ast.c
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@ -4018,7 +4018,7 @@ ast_for_stmt(struct compiling *c, const node *n)
}
static PyObject *
parsenumber(struct compiling *c, const char *s)
parsenumber_raw(struct compiling *c, const char *s)
{
const char *end;
long x;
@ -4060,6 +4060,31 @@ parsenumber(struct compiling *c, const char *s)
}
}
static PyObject *
parsenumber(struct compiling *c, const char *s)
{
char *dup, *end;
PyObject *res = NULL;
assert(s != NULL);
if (strchr(s, '_') == NULL) {
return parsenumber_raw(c, s);
}
/* Create a duplicate without underscores. */
dup = PyMem_Malloc(strlen(s) + 1);
end = dup;
for (; *s; s++) {
if (*s != '_') {
*end++ = *s;
}
}
*end = '\0';
res = parsenumber_raw(c, dup);
PyMem_Free(dup);
return res;
}
static PyObject *
decode_utf8(struct compiling *c, const char **sPtr, const char *end)
{