[clang.py] Add Cursor.get_arguments()

Patch provided by Matthias Kleine <matthias_kleine@gmx.de>

llvm-svn: 167216

clang/bindings/python/clang/cindex.py

@@ -1271,6 +1271,12 @@ class Cursor(Structure):
         # created.
         return self._tu
 
+    def get_arguments(self):
+        """Return an iterator for accessing the arguments of this cursor."""
+        num_args = conf.lib.clang_Cursor_getNumArguments(self)
+        for i in range(0, num_args):
+            yield conf.lib.clang_Cursor_getArgument(self, i)
+
     def get_children(self):
         """Return an iterator for accessing the children of this cursor."""
 
@@ -2973,6 +2979,15 @@ functionList = [
   ("clang_visitChildren",
    [Cursor, callbacks['cursor_visit'], py_object],
    c_uint),
+
+  ("clang_Cursor_getNumArguments",
+   [Cursor],
+   c_int),
+
+  ("clang_Cursor_getArgument",
+   [Cursor, c_uint],
+   Cursor,
+   Cursor.from_result),
 ]
 
 class LibclangError(Exception):

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

@@ -241,3 +241,12 @@ def test_get_tokens():
     assert len(tokens) == 7
     assert tokens[0].spelling == 'int'
     assert tokens[1].spelling == 'foo'
+
+def test_get_arguments():
+    tu = get_tu('void foo(int i, int j);')
+    foo = get_cursor(tu, 'foo')
+    arguments = list(foo.get_arguments())
+
+    assert len(arguments) == 2
+    assert arguments[0].spelling == "i"
+    assert arguments[1].spelling == "j"