[PATCH] D43440: clang-format: [JS] fix `of` detection.

[Martin Probst via Phabricator via cfe-commits]

mprobst created this revision.
mprobst added a reviewer: djasper.
Herald added a subscriber: klimek.

`of` is only a keyword when after an identifier, but not when after
an actual keyword.

Before:

  return of (a, b, c);

After:

  return of(a, b, c);


Repository:
  rC Clang

https://reviews.llvm.org/D43440

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


Index: unittests/Format/FormatTestJS.cpp
===================================================================
--- unittests/Format/FormatTestJS.cpp
+++ unittests/Format/FormatTestJS.cpp
@@ -294,6 +294,7 @@
   verifyFormat("x.for = 1;");
   verifyFormat("x.of();");
   verifyFormat("of(null);");
+  verifyFormat("return of(null);");
   verifyFormat("import {of} from 'x';");
   verifyFormat("x.in();");
   verifyFormat("x.let();");
Index: lib/Format/TokenAnnotator.cpp
===================================================================
--- lib/Format/TokenAnnotator.cpp
+++ lib/Format/TokenAnnotator.cpp
@@ -2496,7 +2496,7 @@
          // (e.g. as "const x of y" in a for loop), or after a destructuring
          // operation (const [x, y] of z, const {a, b} of c).
          (Left.is(Keywords.kw_of) && Left.Previous &&
-          (Left.Previous->Tok.getIdentifierInfo() ||
+          (Left.Previous->Tok.is(tok::identifier) ||
            Left.Previous->isOneOf(tok::r_square, tok::r_brace)))) &&
         (!Left.Previous || !Left.Previous->is(tok::period)))
       return true;



Index: unittests/Format/FormatTestJS.cpp
===================================================================
--- unittests/Format/FormatTestJS.cpp
+++ unittests/Format/FormatTestJS.cpp
@@ -294,6 +294,7 @@
   verifyFormat("x.for = 1;");
   verifyFormat("x.of();");
   verifyFormat("of(null);");
+  verifyFormat("return of(null);");
   verifyFormat("import {of} from 'x';");
   verifyFormat("x.in();");
   verifyFormat("x.let();");
Index: lib/Format/TokenAnnotator.cpp
===================================================================
--- lib/Format/TokenAnnotator.cpp
+++ lib/Format/TokenAnnotator.cpp
@@ -2496,7 +2496,7 @@
          // (e.g. as "const x of y" in a for loop), or after a destructuring
          // operation (const [x, y] of z, const {a, b} of c).
          (Left.is(Keywords.kw_of) && Left.Previous &&
-          (Left.Previous->Tok.getIdentifierInfo() ||
+          (Left.Previous->Tok.is(tok::identifier) ||
            Left.Previous->isOneOf(tok::r_square, tok::r_brace)))) &&
         (!Left.Previous || !Left.Previous->is(tok::period)))
       return true;

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