Format: fix indentation after backslash newline (#5901)

makenowjust · RX14 · commit 60f675c8885e · 2018-04-03T00:42:03.000+01:00
#5892 (comment)
diff --git a/spec/compiler/formatter/formatter_spec.cr b/spec/compiler/formatter/formatter_spec.cr
@@ -1104,6 +1104,8 @@ describe Crystal::Formatter do
   assert_format "1 \\\nensure 2", "1 \\\n  ensure 2"
   assert_format "foo bar, \\\nbaz", "foo bar,\n  baz"
   assert_format "x 1, \\\n  2", "x 1,\n  2"
+  assert_format "begin\n  1 + \\\n    2\n  3\nend"
+  assert_format "begin\n  1 \\\n    + 2\n  3\nend"
 
   assert_format "alias X = ((Y, Z) ->)"
 
diff --git a/src/compiler/crystal/tools/formatter.cr b/src/compiler/crystal/tools/formatter.cr
@@ -4327,6 +4327,7 @@ module Crystal
       old_indent = @indent
       @indent = indent
       value = yield
+      @passed_backslash_newline = false
       @indent = old_indent
       value
     end
