[PATCH] D36139: clang-format: [JS] prefer wrapping chains over empty literals.

[Martin Probst via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL309712: clang-format: [JS] prefer wrapping chains over empty 
literals. (authored by mprobst).

Changed prior to commit:
  https://reviews.llvm.org/D36139?vs=109082&id=109155#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D36139

Files:
  cfe/trunk/lib/Format/TokenAnnotator.cpp
  cfe/trunk/unittests/Format/FormatTestJS.cpp


Index: cfe/trunk/lib/Format/TokenAnnotator.cpp
===================================================================
--- cfe/trunk/lib/Format/TokenAnnotator.cpp
+++ cfe/trunk/lib/Format/TokenAnnotator.cpp
@@ -2006,6 +2006,9 @@
     if ((Left.is(TT_TemplateString) && Left.TokenText.endswith("${")) ||
         (Right.is(TT_TemplateString) && Right.TokenText.startswith("}")))
       return 100;
+    // Prefer breaking call chains (".foo") over empty "{}", "[]" or "()".
+    if (Left.opensScope() && Right.closesScope())
+      return 200;
   }
 
   if (Right.is(tok::identifier) && Right.Next && 
Right.Next->is(TT_DictLiteral))
Index: cfe/trunk/unittests/Format/FormatTestJS.cpp
===================================================================
--- cfe/trunk/unittests/Format/FormatTestJS.cpp
+++ cfe/trunk/unittests/Format/FormatTestJS.cpp
@@ -841,6 +841,15 @@
 
 }
 
+TEST_F(FormatTestJS, DontWrapEmptyLiterals) {
+  verifyFormat("(aaaaaaaaaaaaaaaaaaaaa.getData as jasmine.Spy)\n"
+               "    .and.returnValue(Observable.of([]));");
+  verifyFormat("(aaaaaaaaaaaaaaaaaaaaa.getData as jasmine.Spy)\n"
+               "    .and.returnValue(Observable.of({}));");
+  verifyFormat("(aaaaaaaaaaaaaaaaaaaaa.getData as jasmine.Spy)\n"
+               "    .and.returnValue(Observable.of(()));");
+}
+
 TEST_F(FormatTestJS, InliningFunctionLiterals) {
   FormatStyle Style = getGoogleStyle(FormatStyle::LK_JavaScript);
   Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Inline;



Index: cfe/trunk/lib/Format/TokenAnnotator.cpp
===================================================================
--- cfe/trunk/lib/Format/TokenAnnotator.cpp
+++ cfe/trunk/lib/Format/TokenAnnotator.cpp
@@ -2006,6 +2006,9 @@
     if ((Left.is(TT_TemplateString) && Left.TokenText.endswith("${")) ||
         (Right.is(TT_TemplateString) && Right.TokenText.startswith("}")))
       return 100;
+    // Prefer breaking call chains (".foo") over empty "{}", "[]" or "()".
+    if (Left.opensScope() && Right.closesScope())
+      return 200;
   }
 
   if (Right.is(tok::identifier) && Right.Next && Right.Next->is(TT_DictLiteral))
Index: cfe/trunk/unittests/Format/FormatTestJS.cpp
===================================================================
--- cfe/trunk/unittests/Format/FormatTestJS.cpp
+++ cfe/trunk/unittests/Format/FormatTestJS.cpp
@@ -841,6 +841,15 @@
 
 }
 
+TEST_F(FormatTestJS, DontWrapEmptyLiterals) {
+  verifyFormat("(aaaaaaaaaaaaaaaaaaaaa.getData as jasmine.Spy)\n"
+               "    .and.returnValue(Observable.of([]));");
+  verifyFormat("(aaaaaaaaaaaaaaaaaaaaa.getData as jasmine.Spy)\n"
+               "    .and.returnValue(Observable.of({}));");
+  verifyFormat("(aaaaaaaaaaaaaaaaaaaaa.getData as jasmine.Spy)\n"
+               "    .and.returnValue(Observable.of(()));");
+}
+
 TEST_F(FormatTestJS, InliningFunctionLiterals) {
   FormatStyle Style = getGoogleStyle(FormatStyle::LK_JavaScript);
   Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Inline;

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