clang-format: Fix corner cases for comments in if conditions.

Before:
  if ( // a
          x + 3) { ..

After:
  if ( // a
      x + 3) { ..

llvm-svn: 208175
This commit is contained in:
Daniel Jasper 2014-05-07 09:23:05 +00:00
parent 5d174547a9
commit 8acf822b6f
3 changed files with 21 additions and 3 deletions

View File

@ -290,10 +290,11 @@ void ContinuationIndenter::addTokenOnCurrentLine(LineState &State, bool DryRun,
State.Stack.back().ContainsUnwrappedBuilder = true;
State.Column += Spaces;
if (Current.is(tok::l_paren) && Previous.isOneOf(tok::kw_if, tok::kw_for))
if (Current.isNot(tok::comment) && Previous.is(tok::l_paren) &&
Previous.Previous && Previous.Previous->isOneOf(tok::kw_if, tok::kw_for))
// Treat the condition inside an if as if it was a second function
// parameter, i.e. let nested calls have a continuation indent.
State.Stack.back().LastSpace = State.Column + 1; // 1 is length of "(".
State.Stack.back().LastSpace = State.Column;
else if (Current.isNot(tok::comment) &&
(Previous.is(tok::comma) ||
(Previous.is(tok::colon) && Previous.Type == TT_ObjCMethodExpr)))

View File

@ -1667,7 +1667,7 @@ bool TokenAnnotator::canBreakBefore(const AnnotatedLine &Line,
return false;
if (Left.is(tok::l_paren) && Left.Previous &&
(Left.Previous->Type == TT_BinaryOperator ||
Left.Previous->Type == TT_CastRParen))
Left.Previous->Type == TT_CastRParen || Left.Previous->is(tok::kw_if)))
return false;
if (Right.Type == TT_ImplicitStringLiteral)
return false;

View File

@ -390,6 +390,11 @@ TEST_F(FormatTest, ElseIf) {
"else {\n"
" g()\n"
"}");
verifyFormat("if (a) {\n"
"} else if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
" aaaaaaaaaaaaaaaaaaaaaaaaaaaa)) {\n"
"}");
}
TEST_F(FormatTest, FormatsForLoop) {
@ -847,6 +852,18 @@ TEST_F(FormatTest, UnderstandsSingleLineComments) {
" int i; /* iiiiiiiiiiiiiiiiiiiii */ \\\n"
" int jjjjjjjjjjjjjjjjjjjjjjjj; /* */",
getLLVMStyleWithColumns(61));
verifyFormat("if ( // This is some comment\n"
" x + 3) {\n"
"}");
EXPECT_EQ("if ( // This is some comment\n"
" // spanning two lines\n"
" x + 3) {\n"
"}",
format("if( // This is some comment\n"
" // spanning two lines\n"
" x + 3) {\n"
"}"));
}
TEST_F(FormatTest, KeepsParameterWithTrailingCommentsOnTheirOwnLine) {