[clang] 7e7a906 - Revert "[clang-format] Fix a bug in annotating `*` in `#define`s (#99433)"

[Owen Pan via cfe-commits]

Author: Owen Pan
Date: 2024-07-24T19:33:44-07:00
New Revision: 7e7a9069d4240d2ae619cb50eba09f948c537ce3

URL: 
https://github.com/llvm/llvm-project/commit/7e7a9069d4240d2ae619cb50eba09f948c537ce3
DIFF: 
https://github.com/llvm/llvm-project/commit/7e7a9069d4240d2ae619cb50eba09f948c537ce3.diff

LOG: Revert "[clang-format] Fix a bug in annotating `*` in `#define`s (#99433)"

This reverts commit ce1a87437cc143889665c41046107e84cdf6246e.

Closes #100304.

Added: 
    

Modified: 
    clang/lib/Format/TokenAnnotator.cpp
    clang/unittests/Format/TokenAnnotatorTest.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/Format/TokenAnnotator.cpp 
b/clang/lib/Format/TokenAnnotator.cpp
index 21924a8fe17d1..5c11f3cb1a874 100644
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -372,6 +372,10 @@ class AnnotatingParser {
                OpeningParen.Previous->is(tok::kw__Generic)) {
       Contexts.back().ContextType = Context::C11GenericSelection;
       Contexts.back().IsExpression = true;
+    } else if (Line.InPPDirective &&
+               (!OpeningParen.Previous ||
+                OpeningParen.Previous->isNot(tok::identifier))) {
+      Contexts.back().IsExpression = true;
     } else if (Contexts[Contexts.size() - 2].CaretFound) {
       // This is the parameter list of an ObjC block.
       Contexts.back().IsExpression = false;
@@ -384,20 +388,7 @@ class AnnotatingParser {
                OpeningParen.Previous->MatchingParen->isOneOf(
                    TT_ObjCBlockLParen, TT_FunctionTypeLParen)) {
       Contexts.back().IsExpression = false;
-    } else if (Line.InPPDirective) {
-      auto IsExpr = [&OpeningParen] {
-        const auto *Tok = OpeningParen.Previous;
-        if (!Tok || Tok->isNot(tok::identifier))
-          return true;
-        Tok = Tok->Previous;
-        while (Tok && Tok->endsSequence(tok::coloncolon, tok::identifier)) {
-          assert(Tok->Previous);
-          Tok = Tok->Previous->Previous;
-        }
-        return !Tok || !Tok->Tok.getIdentifierInfo();
-      };
-      Contexts.back().IsExpression = IsExpr();
-    } else if (!Line.MustBeDeclaration) {
+    } else if (!Line.MustBeDeclaration && !Line.InPPDirective) {
       bool IsForOrCatch =
           OpeningParen.Previous &&
           OpeningParen.Previous->isOneOf(tok::kw_for, tok::kw_catch);

diff  --git a/clang/unittests/Format/TokenAnnotatorTest.cpp 
b/clang/unittests/Format/TokenAnnotatorTest.cpp
index b01ca322505b1..51810ad047a26 100644
--- a/clang/unittests/Format/TokenAnnotatorTest.cpp
+++ b/clang/unittests/Format/TokenAnnotatorTest.cpp
@@ -75,26 +75,6 @@ TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) {
   EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen);
   EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference);
 
-  Tokens = annotate("#define FOO bar(a * b)");
-  ASSERT_EQ(Tokens.size(), 10u) << Tokens;
-  EXPECT_TOKEN(Tokens[6], tok::star, TT_BinaryOperator);
-
-  Tokens = annotate("#define FOO foo.bar(a & b)");
-  ASSERT_EQ(Tokens.size(), 12u) << Tokens;
-  EXPECT_TOKEN(Tokens[8], tok::amp, TT_BinaryOperator);
-
-  Tokens = annotate("#define FOO foo::bar(a && b)");
-  ASSERT_EQ(Tokens.size(), 12u) << Tokens;
-  EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator);
-
-  Tokens = annotate("#define FOO foo bar(a *b)");
-  ASSERT_EQ(Tokens.size(), 11u) << Tokens;
-  EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference);
-
-  Tokens = annotate("#define FOO void foo::bar(a &b)");
-  ASSERT_EQ(Tokens.size(), 13u) << Tokens;
-  EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference);
-
   Tokens = annotate("void f() {\n"
                     "  while (p < a && *p == 'a')\n"
                     "    p++;\n"


        
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