Fix clang-format's expression parser for leading }s.
The leading "}" in the construct "} else if (..) {" was confusing the
expression parser. Thus, no fake parentheses were generated and the
indentation was broken in some cases.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@183393 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Format/TokenAnnotator.cpp b/lib/Format/TokenAnnotator.cpp
index fc53681..71a1a28 100644
--- a/lib/Format/TokenAnnotator.cpp
+++ b/lib/Format/TokenAnnotator.cpp
@@ -773,7 +773,11 @@
/// operator precedence.
class ExpressionParser {
public:
- ExpressionParser(AnnotatedLine &Line) : Current(Line.First) {}
+ ExpressionParser(AnnotatedLine &Line) : Current(Line.First) {
+ // Skip leading "}", e.g. in "} else if (...) {".
+ if (Current->is(tok::r_brace))
+ next();
+ }
/// \brief Parse expressions with the given operatore precedence.
void parse(int Precedence = 0) {
diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index 1c2a540..19f702f 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -2073,6 +2073,10 @@
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *\n"
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n"
" bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}");
+ verifyFormat("if () {\n"
+ "} else if (aaaaa && bbbbb > // break\n"
+ " ccccc) {\n"
+ "}");
}
TEST_F(FormatTest, ConstructorInitializers) {