Expose the name mangling C API to Python bindings.

llvm-svn: 214930

clang/bindings/python/clang/cindex.py

@@ -1185,6 +1185,14 @@ class Cursor(Structure):
 
         return self._displayname
 
+    @property
+    def mangled_name(self):
+        """Return the mangled name for the entity referenced by this cursor."""
+        if not hasattr(self, '_mangled_name'):
+            self._mangled_name = conf.lib.clang_Cursor_getMangling(self)
+
+        return self._mangled_name
+
     @property
     def location(self):
         """
@@ -2973,6 +2981,11 @@ functionList = [
    _CXString,
    _CXString.from_result),
 
+  ("clang_Cursor_getMangling",
+   [Cursor],
+   _CXString,
+   _CXString.from_result),
+
 # ("clang_getCXTUResourceUsage",
 #  [TranslationUnit],
 #  CXTUResourceUsage),

clang/bindings/python/tests/cindex/test_cursor.py

@@ -252,3 +252,17 @@ def test_referenced():
         if c.kind == CursorKind.CALL_EXPR:
             assert c.referenced.spelling == foo.spelling
             break
+
+def test_mangled_name():
+    kInputForMangling = """\
+    int foo(int, int);
+    """
+    tu = get_tu(kInputForMangling, lang='cpp')
+    foo = get_cursor(tu, 'foo')
+
+    # Since libclang does not link in targets, we cannot pass a triple to it
+    # and force the target. To enable this test to pass on all platforms, accept
+    # all valid manglings.
+    # [c-index-test handles this by running the source through clang, emitting
+    #  an AST file and running libclang on that AST file]
+    assert foo.mangled_name in ('_Z3fooii', '__Z3fooii', '?foo@@YAHHH')