From 4f72a78684bbfcdc43ceeabb240ceee54706c4b0 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Fri, 27 Oct 2006 23:31:49 +0000
Subject: Jiwon Seo's PEP 3102 implementation. See SF#1549670. The compiler
 package has not yet been updated.

---
 Python/symtable.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'Python/symtable.c')

diff --git a/Python/symtable.c b/Python/symtable.c
index 8f19e0bd00..b0ebed408b 100644
--- a/Python/symtable.c
+++ b/Python/symtable.c
@@ -893,6 +893,17 @@ error:
 	} \
 }
 
+#define VISIT_KWONLYDEFAULTS(ST, KW_DEFAULTS) { \
+	int i = 0; \
+	asdl_seq *seq = (KW_DEFAULTS); /* avoid variable capture */ \
+	for (i = 0; i < asdl_seq_LEN(seq); i++) { \
+		expr_ty elt = (expr_ty)asdl_seq_GET(seq, i); \
+		if (!elt) continue; /* can be NULL */ \
+		if (!symtable_visit_expr((ST), elt)) \
+			return 0; \
+	} \
+}
+
 static int
 symtable_new_tmpname(struct symtable *st)
 {
@@ -910,6 +921,8 @@ symtable_new_tmpname(struct symtable *st)
 	return 1;
 }
 
+
+
 static int
 symtable_visit_stmt(struct symtable *st, stmt_ty s)
 {
@@ -919,6 +932,9 @@ symtable_visit_stmt(struct symtable *st, stmt_ty s)
 			return 0;
 		if (s->v.FunctionDef.args->defaults)
 			VISIT_SEQ(st, expr, s->v.FunctionDef.args->defaults);
+		if (s->v.FunctionDef.args->kw_defaults)
+			VISIT_KWONLYDEFAULTS(st, 
+					   s->v.FunctionDef.args->kw_defaults);
 		if (s->v.FunctionDef.decorators)
 			VISIT_SEQ(st, expr, s->v.FunctionDef.decorators);
 		if (!symtable_enter_block(st, s->v.FunctionDef.name, 
@@ -1262,6 +1278,8 @@ symtable_visit_arguments(struct symtable *st, arguments_ty a)
 	*/
 	if (a->args && !symtable_visit_params(st, a->args, 1))
 		return 0;
+	if (a->kwonlyargs && !symtable_visit_params(st, a->kwonlyargs, 1))
+		return 0;
 	if (a->vararg) {
 		if (!symtable_add_def(st, a->vararg, DEF_PARAM))
 			return 0;
-- 
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