Formatter: keep newline for multi-lines call with a block (#5062)

makenowjust · RX14 · commit 37d444817e32 · 2017-09-30T11:56:59.000+01:00
Fixes #5060
diff --git a/spec/compiler/formatter/formatter_spec.cr b/spec/compiler/formatter/formatter_spec.cr
@@ -243,6 +243,7 @@ describe Crystal::Formatter do
   assert_format "foo 1,\na: 1,\nb: 2,\nc: 3", "foo 1,\n  a: 1,\n  b: 2,\n  c: 3"
   assert_format "foo(\n  1, 2, &block)", "foo(\n  1, 2, &block)"
   assert_format "foo(\n  1, 2,\n&block)", "foo(\n  1, 2,\n  &block)"
+  assert_format "foo(\n  1,\n  2\n) do\n  1\nend"
   assert_format "foo 1, a: 1,\nb: 2,\nc: 3,\n&block", "foo 1, a: 1,\n  b: 2,\n  c: 3,\n  &block"
   assert_format "foo 1, do\n2\nend", "foo 1 do\n  2\nend"
   assert_format "a.b &.[c]?\n1"
diff --git a/src/compiler/crystal/tools/formatter.cr b/src/compiler/crystal/tools/formatter.cr
@@ -2287,6 +2287,10 @@ module Crystal
         needs_space = !has_parentheses || has_args
         skip_space
         if has_parentheses && @token.type == :")"
+          if ends_with_newline
+            write_line unless found_comment
+            write_indent
+          end
           write ")"
           next_token_skip_space_or_newline
           format_block block, needs_space
