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This commit is contained in:
Anthony Scopatz 2015-01-25 19:34:31 -06:00
parent ab54dd6506
commit 12c052ee4b
2 changed files with 21 additions and 3 deletions
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9
tests/test_parser.py
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@ -500,6 +500,15 @@ def test_pass():
def test_del():
yield check_stmts, 'x = 42; del x'
def test_del_comma():
yield check_stmts, 'x = 42; del x,'
def test_del_two():
yield check_stmts, 'x = 42; y = 65; del x, y'
def test_del_two_comma():
yield check_stmts, 'x = 42; y = 65; del x, y,'
#DEBUG_LEVEL = 1
#DEBUG_LEVEL = 100

15
xonsh/parser.py
View file

@ -1139,13 +1139,22 @@ class Parser(object):
def p_comma_expr_or_star_expr(self, p):
"""comma_expr_or_star_expr : COMMA expr_or_star_expr"""
p[0] = p[1:]
p[0] = [p[2]]
def p_exprlist(self, p):
"""exprlist : expr_or_star_expr comma_expr_or_star_expr_list_opt comma_opt"""
p1, p2, p3 = p[1], p[2], p[3]
"""exprlist : expr_or_star_expr comma_expr_or_star_expr_list_opt comma_opt
| expr_or_star_expr comma_expr_or_star_expr_list comma_opt
| expr_or_star_expr comma_opt
"""
p1, p2 = p[1], p[2]
p3 = p[3] if len(p) == 4 else None
if p2 is None and p3 is None:
p0 = [p1]
elif p2 == ',' and p3 is None:
p0 = [p1]
elif p2 is not None:
p2.insert(0, p1)
p0 = p2
else:
assert False
p[0] = p0