[clang-move] Use cl::list for the list of names

This diff replaces manual parsing of the comma-separated list of names with 
cl::list and cl::CommaSeparated.
Test plan: make -j8 check-clang-tools

Differential revision: https://reviews.llvm.org/D25586

llvm-svn: 284291

clang-tools-extra/clang-move/ClangMove.cpp

@@ -311,10 +311,8 @@ ClangMoveTool::ClangMoveTool(
 }
 
 void ClangMoveTool::registerMatchers(ast_matchers::MatchFinder *Finder) {
-  SmallVector<StringRef, 4> ClassNames;
-  llvm::StringRef(Spec.Names).split(ClassNames, ',');
   Optional<ast_matchers::internal::Matcher<NamedDecl>> InMovedClassNames;
-  for (StringRef ClassName : ClassNames) {
+  for (StringRef ClassName : Spec.Names) {
     llvm::StringRef GlobalClassName = ClassName.trim().ltrim(':');
     const auto HasName = hasName(("::" + GlobalClassName).str());
     InMovedClassNames =

clang-tools-extra/clang-move/ClangMove.h

@@ -37,9 +37,8 @@ class ClangMoveTool : public ast_matchers::MatchFinder::MatchCallback {
   };
 
   struct MoveDefinitionSpec {
-    // A comma-separated list of fully qualified names, e.g. "Foo",
-    // "a::Foo, b::Foo".
-    std::string Names;
+    // The list of fully qualified names, e.g. Foo, a::Foo, b::Foo.
+    SmallVector<std::string, 4> Names;
     // The file path of old header, can be relative path and absolute path.
     std::string OldHeader;
     // The file path of old cc, can be relative path and absolute path.

clang-tools-extra/clang-move/tool/ClangMoveMain.cpp

@@ -38,10 +38,10 @@ std::error_code CreateNewFile(const llvm::Twine &path) {
 
 cl::OptionCategory ClangMoveCategory("clang-move options");
 
-cl::opt<std::string>
-    Names("names", cl::desc("A comma-separated list of the names of classes "
-                            "being moved, e.g. \"Foo\", \"a::Foo, b::Foo\"."),
-          cl::cat(ClangMoveCategory));
+cl::list<std::string> Names("names", cl::CommaSeparated, cl::OneOrMore,
+                            cl::desc("The list of the names of classes being "
+                                     "moved, e.g. \"Foo,a::Foo,b::Foo\"."),
+                            cl::cat(ClangMoveCategory));
 
 cl::opt<std::string>
     OldHeader("old_header",
@@ -90,7 +90,7 @@ int main(int argc, const char **argv) {
   tooling::RefactoringTool Tool(OptionsParser.getCompilations(),
                                 OptionsParser.getSourcePathList());
   move::ClangMoveTool::MoveDefinitionSpec Spec;
-  Spec.Names = Names;
+  Spec.Names = { Names.begin(), Names.end() };
   Spec.OldHeader = OldHeader;
   Spec.NewHeader = NewHeader;
   Spec.OldCC = OldCC;

clang-tools-extra/unittests/clang-move/ClangMoveTests.cpp

@@ -213,7 +213,7 @@ runClangMoveOnCode(const move::ClangMoveTool::MoveDefinitionSpec &Spec) {
 
 TEST(ClangMove, MoveHeaderAndCC) {
   move::ClangMoveTool::MoveDefinitionSpec Spec;
-  Spec.Names = "a::b::Foo";
+  Spec.Names = { "a::b::Foo" };
   Spec.OldHeader = "foo.h";
   Spec.OldCC = "foo.cc";
   Spec.NewHeader = "new_foo.h";
@@ -228,7 +228,7 @@ TEST(ClangMove, MoveHeaderAndCC) {
 
 TEST(ClangMove, MoveHeaderOnly) {
   move::ClangMoveTool::MoveDefinitionSpec Spec;
-  Spec.Names = "a::b::Foo";
+  Spec.Names = { "a::b::Foo" };
   Spec.OldHeader = "foo.h";
   Spec.NewHeader = "new_foo.h";
   auto Results = runClangMoveOnCode(Spec);
@@ -239,7 +239,7 @@ TEST(ClangMove, MoveHeaderOnly) {
 
 TEST(ClangMove, MoveCCOnly) {
   move::ClangMoveTool::MoveDefinitionSpec Spec;
-  Spec.Names = "a::b::Foo";
+  Spec.Names = { "a::b::Foo" };
   Spec.OldCC = "foo.cc";
   Spec.NewCC = "new_foo.cc";
   std::string ExpectedHeader = "#include \"foo.h\"\n\n";
@@ -251,7 +251,7 @@ TEST(ClangMove, MoveCCOnly) {
 
 TEST(ClangMove, MoveNonExistClass) {
   move::ClangMoveTool::MoveDefinitionSpec Spec;
-  Spec.Names = "NonExistFoo";
+  Spec.Names = { "NonExistFoo" };
   Spec.OldHeader = "foo.h";
   Spec.OldCC = "foo.cc";
   Spec.NewHeader = "new_foo.h";