Re: [PATCH] clang-format: Support @synchronized.

[strager]

Rebase.


http://reviews.llvm.org/D10371

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

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Index: lib/Format/TokenAnnotator.cpp
===================================================================
--- lib/Format/TokenAnnotator.cpp
+++ lib/Format/TokenAnnotator.cpp
@@ -121,7 +121,8 @@
 
     if (Left->Previous &&
         (Left->Previous->isOneOf(tok::kw_static_assert, tok::kw_if,
-                                 tok::kw_while, tok::l_paren, tok::comma) ||
+                                 tok::kw_while, tok::l_paren, tok::comma,
+                                 tok::objc_synchronized) ||
          Left->Previous->is(TT_BinaryOperator))) {
       // static_assert, if and while usually contain expressions.
       Contexts.back().IsExpression = true;
Index: lib/Format/UnwrappedLineParser.cpp
===================================================================
--- lib/Format/UnwrappedLineParser.cpp
+++ lib/Format/UnwrappedLineParser.cpp
@@ -657,7 +657,12 @@
       addUnwrappedLine();
       return;
     case tok::objc_autoreleasepool:
+    case tok::objc_synchronized:
       nextToken();
+      if (FormatTok->Tok.is(tok::l_paren)) {
+        // @synchronized
+        parseParens();
+      }
       if (FormatTok->Tok.is(tok::l_brace)) {
         if (Style.BreakBeforeBraces == FormatStyle::BS_Allman ||
             Style.BreakBeforeBraces == FormatStyle::BS_GNU)
Index: unittests/Format/FormatTest.cpp
===================================================================
--- unittests/Format/FormatTest.cpp
+++ unittests/Format/FormatTest.cpp
@@ -2412,6 +2412,30 @@
                Style);
 }
 
+TEST_F(FormatTest, FormatObjCSynchronized) {
+  FormatStyle Style = getLLVMStyleWithColumns(32);
+  verifyFormat("@synchronized(foo) {\n"
+               "  f();\n"
+               "}\n",
+               Style);
+  verifyFormat("@synchronized([self\n"
+               "    veryLongMethodNameWithParameters:\n"
+               "        YES]) {\n"
+               "  f();\n"
+               "}\n",
+               Style);
+  Style.BreakBeforeBraces = FormatStyle::BS_Allman;
+  verifyFormat("@synchronized(foo)\n"
+               "{\n"
+               "  f();\n"
+               "}\n"
+               "@synchronized(foo)\n"
+               "{\n"
+               "  f();\n"
+               "}\n",
+               Style);
+}
+
 TEST_F(FormatTest, StaticInitializers) {
   verifyFormat("static SomeClass SC = {1, 'a'};");
 
@@ -8169,6 +8193,10 @@
                "  break;\n"
                "}",
                NoSpace);
+  verifyFormat("@synchronized(x) {\n"
+               "  do_something();\n"
+               "}",
+               NoSpace);
   verifyFormat("auto i = std::make_unique<int>(5);", NoSpace);
   verifyFormat("size_t x = sizeof(x);", NoSpace);
   verifyFormat("auto f(int x) -> decltype(x);", NoSpace);
@@ -8202,6 +8230,10 @@
                "  break;\n"
                "}",
                Space);
+  verifyFormat("@synchronized (x) {\n"
+               "  do_something ();\n"
+               "}",
+               Space);
   verifyFormat("A::A () : a (1) {}", Space);
   verifyFormat("void f () __attribute__ ((asdf));", Space);
   verifyFormat("*(&a + 1);\n"
@@ -8252,6 +8284,10 @@
                "  break;\n"
                "}",
                Spaces);
+  verifyFormat("@synchronized( x ) {\n"
+               "  do_something();\n"
+               "}",
+               Spaces);
 
   Spaces.SpacesInParentheses = false;
   Spaces.SpacesInCStyleCastParentheses = true;
@@ -8289,6 +8325,10 @@
                "  break;\n"
                "}",
                Spaces);
+  verifyFormat("@synchronized(x) {\n"
+               "  do_something( );\n"
+               "}",
+               Spaces);
 
   // Run the first set of tests again with:
   Spaces.SpaceAfterCStyleCast = true;
@@ -8315,6 +8355,10 @@
                "  break;\n"
                "}",
                Spaces);
+  verifyFormat("@synchronized(x) {\n"
+               "  do_something( );\n"
+               "}",
+               Spaces);
 
   // Run subset of tests again with:
   Spaces.SpacesInCStyleCastParentheses = false;
@@ -8326,6 +8370,10 @@
                "  do_something((int) i);\n"
                "} while (something( ));",
                Spaces);
+  verifyFormat("@synchronized((NSLock) x) {\n"
+               "  do_something( );\n"
+               "}",
+               Spaces);
 }
 
 TEST_F(FormatTest, ConfigurableSpacesInSquareBrackets) {

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