[PATCH] D39024: [clang-format] Sort whole block of using declarations while partially formatting

[Krasimir Georgiev via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL316130: [clang-format] Sort whole block of using declarations while partially formatting (authored by krasimir).

Repository:
  rL LLVM

https://reviews.llvm.org/D39024

Files:
  cfe/trunk/lib/Format/UsingDeclarationsSorter.cpp
  cfe/trunk/unittests/Format/UsingDeclarationsSorterTest.cpp


Index: cfe/trunk/unittests/Format/UsingDeclarationsSorterTest.cpp
===================================================================
--- cfe/trunk/unittests/Format/UsingDeclarationsSorterTest.cpp
+++ cfe/trunk/unittests/Format/UsingDeclarationsSorterTest.cpp
@@ -291,13 +291,41 @@
 }
 
 TEST_F(UsingDeclarationsSorterTest, SortsPartialRangeOfUsingDeclarations) {
-  EXPECT_EQ("using b;\n"
-            "using a;\n"
+  // Sorts the whole block of using declarations surrounding the range.
+  EXPECT_EQ("using a;\n"
+            "using b;\n"
             "using c;",
             sortUsingDeclarations("using b;\n"
                                   "using c;\n" // starts at offset 10
                                   "using a;",
                                   {tooling::Range(10, 15)}));
+  EXPECT_EQ("using a;\n"
+            "using b;\n"
+            "using c;\n"
+            "using A = b;",
+            sortUsingDeclarations("using b;\n"
+                                  "using c;\n" // starts at offset 10
+                                  "using a;\n"
+                                  "using A = b;",
+                                  {tooling::Range(10, 15)}));
+
+  EXPECT_EQ("using d;\n"
+            "using c;\n"
+            "\n"
+            "using a;\n"
+            "using b;\n"
+            "\n"
+            "using f;\n"
+            "using e;",
+            sortUsingDeclarations("using d;\n"
+                                  "using c;\n"
+                                  "\n"
+                                  "using b;\n" // starts at offset 19
+                                  "using a;\n"
+                                  "\n"
+                                  "using f;\n"
+                                  "using e;",
+                                  {tooling::Range(19, 1)}));
 }
 
 } // end namespace
Index: cfe/trunk/lib/Format/UsingDeclarationsSorter.cpp
===================================================================
--- cfe/trunk/lib/Format/UsingDeclarationsSorter.cpp
+++ cfe/trunk/lib/Format/UsingDeclarationsSorter.cpp
@@ -76,6 +76,17 @@
 void endUsingDeclarationBlock(
     SmallVectorImpl<UsingDeclaration> *UsingDeclarations,
     const SourceManager &SourceMgr, tooling::Replacements *Fixes) {
+  bool BlockAffected = false;
+  for (const UsingDeclaration& Declaration : *UsingDeclarations) {
+    if (Declaration.Line->Affected) {
+      BlockAffected = true;
+      break;
+    }
+  }
+  if (!BlockAffected) {
+    UsingDeclarations->clear();
+    return;
+  }
   SmallVector<UsingDeclaration, 4> SortedUsingDeclarations(
       UsingDeclarations->begin(), UsingDeclarations->end());
   std::stable_sort(SortedUsingDeclarations.begin(),
@@ -122,7 +133,7 @@
   tooling::Replacements Fixes;
   SmallVector<UsingDeclaration, 4> UsingDeclarations;
   for (size_t I = 0, E = AnnotatedLines.size(); I != E; ++I) {
-    if (!AnnotatedLines[I]->Affected || AnnotatedLines[I]->InPPDirective ||
+    if (AnnotatedLines[I]->InPPDirective ||
         !AnnotatedLines[I]->startsWith(tok::kw_using) ||
         AnnotatedLines[I]->First->Finalized) {
       endUsingDeclarationBlock(&UsingDeclarations, SourceMgr, &Fixes);


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D39024.119531.patch
Type: text/x-patch
Size: 3178 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20171018/448af120/attachment.bin>