[PATCH] D149643: [clang-format] Correctly limit formatted ranges when specifying qualifier alignment

[Owen Pan via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGf3dcd3ad992c: [clang-format] Correctly limit formatted ranges when specifying qualifier… (authored by cogilvie, committed by owenpan).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D149643/new/

https://reviews.llvm.org/D149643

Files:
  clang/lib/Format/QualifierAlignmentFixer.cpp
  clang/unittests/Format/QualifierFixerTest.cpp


Index: clang/unittests/Format/QualifierFixerTest.cpp
===================================================================
--- clang/unittests/Format/QualifierFixerTest.cpp
+++ clang/unittests/Format/QualifierFixerTest.cpp
@@ -1343,6 +1343,29 @@
                "TemplateType<Container const> t;", Style);
 }
 
+TEST_F(QualifierFixerTest, Ranges) {
+  FormatStyle Style = getLLVMStyle();
+  Style.QualifierAlignment = FormatStyle::QAS_Custom;
+  Style.QualifierOrder = {"const", "volatile", "type"};
+
+  // Only the first line should be formatted; the second should remain as is.
+  verifyFormat("template <typename T> const Foo f();\n"
+               "template <typename T> Foo const f();",
+               "template <typename T> Foo const f();\n"
+               "template <typename T> Foo const f();",
+               Style, {tooling::Range(0, 36)});
+
+  // Only the middle line should be formatted; the first and last should remain
+  // as is.
+  verifyFormat("template <typename T> Foo const f();\n"
+               "template <typename T> const Foo f();\n"
+               "template <typename T> Foo const f();",
+               "template <typename T> Foo const f();\n"
+               "template <typename T> Foo const f();\n"
+               "template <typename T> Foo const f();",
+               Style, {tooling::Range(37, 36)});
+}
+
 } // namespace
 } // namespace test
 } // namespace format
Index: clang/lib/Format/QualifierAlignmentFixer.cpp
===================================================================
--- clang/lib/Format/QualifierAlignmentFixer.cpp
+++ clang/lib/Format/QualifierAlignmentFixer.cpp
@@ -587,7 +587,7 @@
   assert(QualifierToken != tok::identifier && "Unrecognised Qualifier");
 
   for (AnnotatedLine *Line : AnnotatedLines) {
-    if (Line->InPPDirective)
+    if (!Line->Affected || Line->InPPDirective)
       continue;
     FormatToken *First = Line->First;
     assert(First);


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