implementing Cursor.get_included_file in python bindings

Summary:
adding function: `Cursor.get_included_file` , so the C API's `clang_getIncludedFile` function is available on the python binding interface
also adding test to unittests

related ticket: https://bugs.llvm.org/show_bug.cgi?id=15223

Reviewers: mgorny, arphaman, jbcoe

Reviewed By: jbcoe

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D46383

Patch by jlaz (József Láz)

llvm-svn: 332045

1 files changed, 12 insertions, 0 deletions

diff --git a/clang/bindings/python/tests/cindex/test_translation_unit.py b/clang/bindings/python/tests/cindex/test_translation_unit.py
index 1b3973d59f6..09230d1da2d 100644
--- a/clang/bindings/python/tests/cindex/test_translation_unit.py
+++ b/clang/bindings/python/tests/cindex/test_translation_unit.py
@@ -108,6 +108,18 @@ int SOME_DEFINE;
         for i in zip(inc, tu.get_includes()):
             eq(i[0], i[1])
 
+    def test_inclusion_directive(self):
+        src = os.path.join(kInputsDir, 'include.cpp')
+        h1 = os.path.join(kInputsDir, "header1.h")
+        h2 = os.path.join(kInputsDir, "header2.h")
+        h3 = os.path.join(kInputsDir, "header3.h")
+        inc = [h1, h3, h2, h3, h1]
+
+        tu = TranslationUnit.from_source(src, options=TranslationUnit.PARSE_DETAILED_PROCESSING_RECORD)
+        inclusion_directive_files = [c.get_included_file().name for c in tu.cursor.get_children() if c.kind == CursorKind.INCLUSION_DIRECTIVE]
+        for i in zip(inc, inclusion_directive_files):
+            self.assert_normpaths_equal(i[0], i[1])
+
     def test_save(self):
         """Ensure TranslationUnit.save() works."""