Feature #16355 ยป expr-in-pat-raises-error.patch
| compile.c | ||
|---|---|---|
|
l1 = NEW_LABEL(line);
|
||
|
ADD_LABEL(body_seq, l1);
|
||
|
ADD_INSN(body_seq, line, pop);
|
||
|
ADD_TRACE_BRANCH_COVERAGE(
|
||
|
body_seq,
|
||
|
node->nd_body ? nd_first_lineno(node->nd_body) : lineno,
|
||
|
node->nd_body ? nd_first_column(node->nd_body) : column,
|
||
|
node->nd_body ? nd_last_lineno(node->nd_body) : last_lineno,
|
||
|
node->nd_body ? nd_last_column(node->nd_body) : last_column,
|
||
|
"in",
|
||
|
branches);
|
||
|
CHECK(COMPILE_(body_seq, "in body", node->nd_body, popped));
|
||
|
if (node->nd_body) {
|
||
|
ADD_INSN(body_seq, line, pop);
|
||
|
ADD_TRACE_BRANCH_COVERAGE(
|
||
|
body_seq,
|
||
|
nd_first_lineno(node->nd_body),
|
||
|
nd_first_column(node->nd_body),
|
||
|
nd_last_lineno(node->nd_body),
|
||
|
nd_last_column(node->nd_body),
|
||
|
"in",
|
||
|
branches);
|
||
|
CHECK(COMPILE_(body_seq, "in body", node->nd_body, popped));
|
||
|
}
|
||
|
else {
|
||
|
/* Single line pattern matching(`expr in pat`). Returns the value of expr. */
|
||
|
ADD_TRACE_BRANCH_COVERAGE(body_seq, lineno, column, last_lineno, last_column, "in", branches);
|
||
|
}
|
||
|
ADD_INSNL(body_seq, line, jump, endlabel);
|
||
|
pattern = node->nd_head;
|
||
| parse.y | ||
|---|---|---|
|
{
|
||
|
p->in_kwarg = !!$<num>3;
|
||
|
/*%%%*/
|
||
|
$$ = NEW_CASE3($1, NEW_IN($5, NEW_TRUE(&@5), NEW_FALSE(&@5), &@5), &@$);
|
||
|
$$ = NEW_CASE3($1, NEW_IN($5, Qnull, Qnull, &@5), &@$);
|
||
|
rb_warn0L(nd_line($$), "Pattern matching is experimental, and the behavior may change in future versions of Ruby!");
|
||
|
/*% %*/
|
||
|
/*% ripper: case!($1, in!($5, Qnil, Qnil)) %*/
|
||
| test/ruby/test_pattern_matching.rb | ||
|---|---|---|
|
################################################################
|
||
|
def test_modifier_in
|
||
|
assert_equal true, (1 in a)
|
||
|
assert_equal 1, (1 in a)
|
||
|
assert_raise(NoMatchingPatternError) do
|
||
|
1 in 2
|
||
|
end
|
||
|
assert_equal 1, a
|
||
|
assert_valid_syntax "p(({} in {a:}), a:\n 1)"
|
||
|
assert_syntax_error(%q{
|
||