[PATCH] D42570: clang-format: [JS] Prevent ASI before [ and (.

[Martin Probst via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL323532: clang-format: [JS] Prevent ASI before [ and (. (authored by mprobst, committed by ).
Herald added a subscriber: llvm-commits.

Repository:
  rL LLVM

https://reviews.llvm.org/D42570

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
@@ -2710,9 +2710,11 @@
             Keywords.kw_readonly, Keywords.kw_abstract, Keywords.kw_get,
             Keywords.kw_set, Keywords.kw_async, Keywords.kw_await))
       return false; // Otherwise automatic semicolon insertion would trigger.
-    if (Left.Tok.getIdentifierInfo() &&
-        Right.startsSequence(tok::l_square, tok::r_square))
-      return false;  // breaking in "foo[]" creates illegal TS type syntax.
+    if (Right.NestingLevel == 0 &&
+        (Left.Tok.getIdentifierInfo() ||
+         Left.isOneOf(tok::r_square, tok::r_paren)) &&
+        Right.isOneOf(tok::l_square, tok::l_paren))
+      return false; // Otherwise automatic semicolon insertion would trigger.
     if (Left.is(TT_JsFatArrow) && Right.is(tok::l_brace))
       return false;
     if (Left.is(TT_JsTypeColon))
Index: cfe/trunk/unittests/Format/FormatTestJS.cpp
===================================================================
--- cfe/trunk/unittests/Format/FormatTestJS.cpp
+++ cfe/trunk/unittests/Format/FormatTestJS.cpp
@@ -1157,6 +1157,9 @@
                "foo() {}",
                getGoogleJSStyleWithColumns(10));
   verifyFormat("await theReckoning;", getGoogleJSStyleWithColumns(10));
+  verifyFormat("some['a']['b']", getGoogleJSStyleWithColumns(10));
+  verifyFormat("x = (a['a']\n"
+               "      ['b']);", getGoogleJSStyleWithColumns(10));
 }
 
 TEST_F(FormatTestJS, AutomaticSemicolonInsertionHeuristic) {


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