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make YieldFrom its own distinct from Yield (closes #13780)

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This commit is contained in:
Benjamin Peterson 2012-01-14 08:58:23 -05:00
parent 91f252b179
commit 527c622926
7 changed files with 91 additions and 39 deletions
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8
Python/ast.c
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@ -223,6 +223,9 @@ validate_expr(expr_ty exp, expr_context_ty ctx)
validate_expr(exp->v.DictComp.value, Load);
case Yield_kind:
return !exp->v.Yield.value || validate_expr(exp->v.Yield.value, Load);
case YieldFrom_kind:
return !exp->v.YieldFrom.value ||
validate_expr(exp->v.YieldFrom.value, Load);
case Compare_kind:
if (!asdl_seq_LEN(exp->v.Compare.comparators)) {
PyErr_SetString(PyExc_ValueError, "Compare with no comparators");
@ -942,6 +945,7 @@ set_context(struct compiling *c, expr_ty e, expr_context_ty ctx, const node *n)
expr_name = "generator expression";
break;
case Yield_kind:
case YieldFrom_kind:
expr_name = "yield expression";
break;
case ListComp_kind:
@ -2386,7 +2390,9 @@ ast_for_expr(struct compiling *c, const node *n)
if (!exp)
return NULL;
}
return Yield(is_from, exp, LINENO(n), n->n_col_offset, c->c_arena);
if (is_from)
return YieldFrom(exp, LINENO(n), n->n_col_offset, c->c_arena);
return Yield(exp, LINENO(n), n->n_col_offset, c->c_arena);
}
case factor:
if (NCH(n) == 1) {