Add AST matchers for handling bit-fields and narrowing based on their width.

llvm-svn: 274652

1 files changed, 28 insertions, 1 deletions

diff --git a/clang/docs/LibASTMatchersReference.html b/clang/docs/LibASTMatchersReference.html
index fff5366775c..a8a47d5b54b 100644
--- a/clang/docs/LibASTMatchersReference.html
+++ b/clang/docs/LibASTMatchersReference.html
@@ -1453,7 +1453,7 @@ c and d.
 
 Given
   enum C { Green };
-  enum S { Red };
+  enum class S { Red };
 
   C c;
   S s;
@@ -2418,6 +2418,33 @@ designatorCountIs(2)
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FieldDecl.html">FieldDecl</a>&gt;</td><td class="name" onclick="toggle('hasBitWidth0')"><a name="hasBitWidth0Anchor">hasBitWidth</a></td><td>unsigned Width</td></tr>
+<tr><td colspan="4" class="doc" id="hasBitWidth0"><pre>Matches non-static data members that are bit-fields.
+
+Given
+  class C {
+    int a : 2;
+    int b : 4;
+    int c : 2;
+  };
+fieldDecl(isBitField())
+  matches 'int a;' and 'int c;' but not 'int b;'.
+</pre></td></tr>
+
+
+<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FieldDecl.html">FieldDecl</a>&gt;</td><td class="name" onclick="toggle('isBitField0')"><a name="isBitField0Anchor">isBitField</a></td><td></td></tr>
+<tr><td colspan="4" class="doc" id="isBitField0"><pre>Matches non-static data members that are bit-fields.
+
+Given
+  class C {
+    int a : 2;
+    int b;
+  };
+fieldDecl(isBitField())
+  matches 'int a;' but not 'int b;'.
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>&gt;</td><td class="name" onclick="toggle('equals1')"><a name="equals1Anchor">equals</a></td><td>ValueT  Value</td></tr>
 <tr><td colspan="4" class="doc" id="equals1"><pre>Matches literals that are equal to the given value.