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parse.y: Deprecate flip-flops

Ref #5400

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63667 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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mame committed Jun 15, 2018
1 parent 4fb5888 commit bae638ad5b782c44c80efe33834cb9039279af46
Showing with 6 additions and 2 deletions.
  1. +4 −2 parse.y
  2. +2 −0 test/ruby/test_syntax.rb
@@ -9809,8 +9809,10 @@ cond0(struct parser_params *p, NODE *node, int method_op, const YYLTYPE *loc)
case NODE_DOT3:
node->nd_beg = range_op(p, node->nd_beg, loc);
node->nd_end = range_op(p, node->nd_end, loc);
if (nd_type(node) == NODE_DOT2) nd_set_type(node,NODE_FLIP2);
else if (nd_type(node) == NODE_DOT3) nd_set_type(node, NODE_FLIP3);
if (nd_type(node) == NODE_DOT2 || nd_type(node) == NODE_DOT3) {
nd_set_type(node, nd_type(node) == NODE_DOT2 ? NODE_FLIP2 : NODE_FLIP3);
parser_warn(p, node, "flip-flop is deprecated");
}
if (!method_op && !e_option_supplied(p)) {
int b = literal_node(node->nd_beg);
int e = literal_node(node->nd_end);
@@ -940,7 +940,9 @@ def test_warning_literal_in_condition
eval('1 if !//')
end
assert_warn('') do
verbose_bak, $VERBOSE = $VERBOSE, nil
eval('1 if !(true..false)')
$VERBOSE = verbose_bak
end
assert_warning('') do
eval('1 if !1')

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