clang-format: Improve nested block formatting.

Before:
  functionA(functionB({
    int i;
    int j;
  }),
            aaaa, bbbb, cccc);

After:
  functionA(functionB({
              int i;
              int j;
            }),
            aaaa, bbbb, cccc);

llvm-svn: 234304

3 files changed, 37 insertions, 34 deletions

diff --git a/clang/lib/Format/ContinuationIndenter.cpp b/clang/lib/Format/ContinuationIndenter.cpp
index 3e4bf3e88a3..a2a68bd6d48 100644
--- a/clang/lib/Format/ContinuationIndenter.cpp
+++ b/clang/lib/Format/ContinuationIndenter.cpp
@@ -849,7 +849,8 @@ void ContinuationIndenter::moveStatePastScopeOpener(LineState &State,
   bool NoLineBreak = State.Stack.back().NoLineBreak ||
                      (Current.is(TT_TemplateOpener) &&
                       State.Stack.back().ContainsUnwrappedBuilder);
-  unsigned NestedBlockIndent = State.Stack.back().NestedBlockIndent;
+  unsigned NestedBlockIndent = std::max(State.Stack.back().StartOfFunctionCall,
+                                        State.Stack.back().NestedBlockIndent);
   State.Stack.push_back(ParenState(NewIndent, NewIndentLevel,
                                    State.Stack.back().LastSpace,
                                    AvoidBinPacking, NoLineBreak));
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index bf98eceacd8..183fa4418be 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -3048,35 +3048,38 @@ TEST_F(FormatTest, FormatsJoinedLinesOnSubsequentRuns) {
 }
 
 TEST_F(FormatTest, LayoutBlockInsideParens) {
-  EXPECT_EQ("functionCall({ int i; });", format(" functionCall ( {int i;} );"));
-  EXPECT_EQ("functionCall({\n"
-            "  int i;\n"
-            "  int j;\n"
-            "});",
-            format(" functionCall ( {int i;int j;} );"));
-  EXPECT_EQ("functionCall({\n"
-            "  int i;\n"
-            "  int j;\n"
-            "}, aaaa, bbbb, cccc);",
-            format(" functionCall ( {int i;int j;},  aaaa,   bbbb, cccc);"));
-  EXPECT_EQ("functionCall(\n"
-            "    {\n"
-            "      int i;\n"
-            "      int j;\n"
-            "    },\n"
-            "    aaaa, bbbb, // comment\n"
-            "    cccc);",
-            format(" functionCall ( {int i;int j;},  aaaa,   bbbb, // comment\n"
-                   "cccc);"));
-  EXPECT_EQ("functionCall(aaaa, bbbb, { int i; });",
-            format(" functionCall (aaaa,   bbbb, {int i;});"));
-  EXPECT_EQ("functionCall(aaaa, bbbb, {\n"
-            "  int i;\n"
-            "  int j;\n"
-            "});",
-            format(" functionCall (aaaa,   bbbb, {int i;int j;});"));
-  EXPECT_EQ("functionCall(aaaa, bbbb, { int i; });",
-            format(" functionCall (aaaa,   bbbb, {int i;});"));
+  verifyFormat("functionCall({ int i; });");
+  verifyFormat("functionCall({\n"
+               "  int i;\n"
+               "  int j;\n"
+               "});");
+  verifyFormat("functionCall({\n"
+               "  int i;\n"
+               "  int j;\n"
+               "}, aaaa, bbbb, cccc);");
+  verifyFormat("functionA(functionB({\n"
+               "            int i;\n"
+               "            int j;\n"
+               "          }),\n"
+               "          aaaa, bbbb, cccc);");
+  verifyFormat("functionCall(\n"
+               "    {\n"
+               "      int i;\n"
+               "      int j;\n"
+               "    },\n"
+               "    aaaa, bbbb, // comment\n"
+               "    cccc);");
+  verifyFormat("functionA(functionB({\n"
+               "            int i;\n"
+               "            int j;\n"
+               "          }),\n"
+               "          aaaa, bbbb, // comment\n"
+               "          cccc);");
+  verifyFormat("functionCall(aaaa, bbbb, { int i; });");
+  verifyFormat("functionCall(aaaa, bbbb, {\n"
+               "  int i;\n"
+               "  int j;\n"
+               "});");
   verifyFormat(
       "Aaa(\n"  // FIXME: There shouldn't be a linebreak here.
       "    {\n"
diff --git a/clang/unittests/Format/FormatTestJS.cpp b/clang/unittests/Format/FormatTestJS.cpp
index 35727eb686b..76c2730960e 100644
--- a/clang/unittests/Format/FormatTestJS.cpp
+++ b/clang/unittests/Format/FormatTestJS.cpp
@@ -408,10 +408,9 @@ TEST_F(FormatTestJS, MultipleFunctionLiterals) {
                "      body();\n"
                "    });");
 
-  // FIXME: This is bad, but it used to be formatted correctly by accident.
-  verifyFormat("getSomeLongPromise().then(function(value) {\n"
-               "  body();\n"
-               "}).thenCatch(function(error) { body(); });");
+  verifyFormat("getSomeLongPromise()\n"
+               "    .then(function(value) { body(); })\n"
+               "    .thenCatch(function(error) { body(); });");
 }
 
 TEST_F(FormatTestJS, ReturnStatements) {