[PATCH] D156370: [clang-format] Fix bug with parsing of function/variable names.

[Gedare Bloom via Phabricator via cfe-commits]

gedare created this revision.
Herald added projects: All, clang, clang-format.
Herald added a subscriber: cfe-commits.
Herald added reviewers: rymiel, HazardyKnusperkeks, owenpan, MyDeveloperDay.
gedare requested review of this revision.

Function and variable names are not detected correctly when there is an
__attribute__((x)) preceding the name.

Fixes Github Issue 64137


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D156370

Files:
  clang/lib/Format/TokenAnnotator.cpp
  clang/unittests/Format/FormatTest.cpp


Index: clang/unittests/Format/FormatTest.cpp
===================================================================
--- clang/unittests/Format/FormatTest.cpp
+++ clang/unittests/Format/FormatTest.cpp
@@ -16455,8 +16455,10 @@
 
   verifyFormat("int f ();", SpaceFuncDecl);
   verifyFormat("void f(int a, T b) {}", SpaceFuncDecl);
+  verifyFormat("void __attribute__((asdf)) f(int a, T b) {}", SpaceFuncDecl);
   verifyFormat("A::A() : a(1) {}", SpaceFuncDecl);
   verifyFormat("void f () __attribute__((asdf));", SpaceFuncDecl);
+  verifyFormat("void __attribute__((asdf)) f ();", SpaceFuncDecl);
   verifyFormat("#define A(x) x", SpaceFuncDecl);
   verifyFormat("#define A (x) x", SpaceFuncDecl);
   verifyFormat("#if defined(x)\n"
@@ -16490,8 +16492,10 @@
 
   verifyFormat("int f();", SpaceFuncDef);
   verifyFormat("void f (int a, T b) {}", SpaceFuncDef);
+  verifyFormat("void __attribute__((asdf)) f (int a, T b) {}", SpaceFuncDef);
   verifyFormat("A::A() : a(1) {}", SpaceFuncDef);
   verifyFormat("void f() __attribute__((asdf));", SpaceFuncDef);
+  verifyFormat("void __attribute__((asdf)) f();", SpaceFuncDef);
   verifyFormat("#define A(x) x", SpaceFuncDef);
   verifyFormat("#define A (x) x", SpaceFuncDef);
   verifyFormat("#if defined(x)\n"
Index: clang/lib/Format/TokenAnnotator.cpp
===================================================================
--- clang/lib/Format/TokenAnnotator.cpp
+++ clang/lib/Format/TokenAnnotator.cpp
@@ -2208,7 +2208,8 @@
     }
 
     if (PreviousNotConst->is(tok::r_paren) &&
-        PreviousNotConst->is(TT_TypeDeclarationParen)) {
+        (PreviousNotConst->is(TT_TypeDeclarationParen) ||
+         PreviousNotConst->is(TT_AttributeParen))) {
       return true;
     }
 


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