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Add support for yield statements.

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(Should be merged with descr branch.)
This commit is contained in:
Fred Drake 2001-07-17 02:59:15 +00:00
parent 654c8db9a0
commit 02126f20b6
1 changed files with 17 additions and 1 deletions
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18
Modules/parsermodule.c
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@ -830,7 +830,7 @@ VALIDATER(trailer); VALIDATER(subscript);
VALIDATER(subscriptlist); VALIDATER(sliceop); VALIDATER(subscriptlist); VALIDATER(sliceop);
VALIDATER(exprlist); VALIDATER(dictmaker); VALIDATER(exprlist); VALIDATER(dictmaker);
VALIDATER(arglist); VALIDATER(argument); VALIDATER(arglist); VALIDATER(argument);
VALIDATER(listmaker); VALIDATER(listmaker); VALIDATER(yield_stmt);
#undef VALIDATER #undef VALIDATER
@ -1538,6 +1538,18 @@ validate_raise_stmt(node *tree)
} }
/* yield_stmt: 'yield' testlist
*/
static int
validate_yield_stmt(node *tree)
{
return (validate_ntype(tree, yield_stmt)
&& validate_numnodes(tree, 2, "yield_stmt")
&& validate_name(CHILD(tree, 0), "yield")
&& validate_testlist(CHILD(tree, 1)));
}
static int static int
validate_import_as_name(node *tree) validate_import_as_name(node *tree)
{ {
@ -2555,6 +2567,7 @@ validate_node(node *tree)
res = (validate_numnodes(tree, 1, "flow_stmt") res = (validate_numnodes(tree, 1, "flow_stmt")
&& ((TYPE(CHILD(tree, 0)) == break_stmt) && ((TYPE(CHILD(tree, 0)) == break_stmt)
|| (TYPE(CHILD(tree, 0)) == continue_stmt) || (TYPE(CHILD(tree, 0)) == continue_stmt)
|| (TYPE(CHILD(tree, 0)) == yield_stmt)
|| (TYPE(CHILD(tree, 0)) == return_stmt) || (TYPE(CHILD(tree, 0)) == return_stmt)
|| (TYPE(CHILD(tree, 0)) == raise_stmt))); || (TYPE(CHILD(tree, 0)) == raise_stmt)));
if (res) if (res)
@ -2562,6 +2575,9 @@ validate_node(node *tree)
else if (nch == 1) else if (nch == 1)
err_string("illegal flow_stmt type"); err_string("illegal flow_stmt type");
break; break;
case yield_stmt:
res = validate_yield_stmt(tree);
break;
/* /*
* Compound statements. * Compound statements.
*/ */