summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--clang/lib/Format/BreakableToken.cpp6
-rw-r--r--clang/unittests/Format/FormatTest.cpp12
2 files changed, 17 insertions, 1 deletions
diff --git a/clang/lib/Format/BreakableToken.cpp b/clang/lib/Format/BreakableToken.cpp
index 569ff1c6483..4a29faded14 100644
--- a/clang/lib/Format/BreakableToken.cpp
+++ b/clang/lib/Format/BreakableToken.cpp
@@ -642,7 +642,11 @@ BreakableLineCommentSection::BreakableLineCommentSection(
Prefix.resize(Lines.size());
OriginalPrefix.resize(Lines.size());
for (size_t i = FirstLineIndex, e = Lines.size(); i < e; ++i) {
- StringRef IndentPrefix = getLineCommentIndentPrefix(Lines[i]);
+ // We need to trim the blanks in case this is not the first line in a
+ // multiline comment. Then the indent is included in Lines[i].
+ StringRef IndentPrefix =
+ getLineCommentIndentPrefix(Lines[i].ltrim(Blanks));
+ assert(IndentPrefix.startswith("//"));
OriginalPrefix[i] = Prefix[i] = IndentPrefix;
if (Lines[i].size() > Prefix[i].size() &&
isAlphanumeric(Lines[i][Prefix[i].size()])) {
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index d2820010405..4d4b64b20b3 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -1386,6 +1386,18 @@ TEST_F(FormatTest, SplitsLongCxxComments) {
"#define XXX // q w e r\n"
" // t y u i",
format("#define XXX //q w e r t y u i", getLLVMStyleWithColumns(22)));
+ EXPECT_EQ("{\n"
+ " //\n"
+ " //\\\n"
+ " // long 1 2 3 4\n"
+ " // 5\n"
+ "}",
+ format("{\n"
+ " //\n"
+ " //\\\n"
+ " // long 1 2 3 4 5\n"
+ "}",
+ getLLVMStyleWithColumns(20)));
}
TEST_F(FormatTest, PreservesHangingIndentInCxxComments) {
OpenPOWER on IntegriCloud