Fix formatting of complex #if expressions.
Before:
#if !defined(AAAAAAAAAAAAAAAA) && (defined CCCCCCCC || \
defined DDDDDDDD) && defined(BBBBBBBB)
After:
#if !defined(AAAAAAAAAAAAAAAA) && (defined CCCCCCCC || defined DDDDDDDD) && \
defined(BBBBBBBB)
This fixes llvm.org/PR15828.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180105 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Format/TokenAnnotator.cpp b/lib/Format/TokenAnnotator.cpp
index 3a432c5..2769217 100644
--- a/lib/Format/TokenAnnotator.cpp
+++ b/lib/Format/TokenAnnotator.cpp
@@ -457,6 +457,10 @@
case tok::pp_warning:
parseWarningOrError();
break;
+ case tok::pp_if:
+ case tok::pp_elif:
+ parseLine();
+ break;
default:
break;
}
@@ -1181,6 +1185,7 @@
llvm::errs() << " M=" << Tok->MustBreakBefore
<< " C=" << Tok->CanBreakBefore << " T=" << Tok->Type
<< " S=" << Tok->SpacesRequiredBefore
+ << " P=" << Tok->SplitPenalty
<< " Name=" << Tok->FormatTok.Tok.getName() << " FakeLParens=";
for (unsigned i = 0, e = Tok->FakeLParens.size(); i != e; ++i)
llvm::errs() << Tok->FakeLParens[i] << "/";
diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index a64a5bc..0095d58 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -2946,6 +2946,17 @@
EXPECT_EQ("#warning 1", format(" # warning 1"));
}
+TEST_F(FormatTest, FormatHashIfExpressions) {
+ // FIXME: Come up with a better indentation for #elif.
+ verifyFormat(
+ "#if !defined(AAAAAAA) && (defined CCCCCC || defined DDDDDD) && \\\n"
+ " defined(BBBBBBBB)\n"
+ "#elif !defined(AAAAAA) && (defined CCCCC || defined DDDDDD) && \\\n"
+ " defined(BBBBBBBB)\n"
+ "#endif",
+ getLLVMStyleWithColumns(65));
+}
+
TEST_F(FormatTest, MergeHandlingInTheFaceOfPreprocessorDirectives) {
FormatStyle AllowsMergedIf = getGoogleStyle();
AllowsMergedIf.AllowShortIfStatementsOnASingleLine = true;