---
bindings/python/clang/cindex.py | 18 ++++++++++++++++++
bindings/python/tests/cindex/test_cursor.py | 15 +++++++++++++++
2 files changed, 33 insertions(+), 0 deletions(-)
diff --git a/bindings/python/clang/cindex.py b/bindings/python/clang/cindex.py
index 37ff5ff..ecbf42e 100644
--- a/bindings/python/clang/cindex.py
+++ b/bindings/python/clang/cindex.py
@@ -977,16 +977,29 @@ class Cursor(Structure):
Retrieve the type (if any) of of the entity pointed at by the
cursor.
"""
if not hasattr(self, '_type'):
self._type = Cursor_type(self)
return self._type
@property
+ def underlying_typedef_type(self):
+ """Return the underlying type of a typedef declaration.
+
+ Returns a Type for the typedef this cursor is a declaration for. If
+ the current cursor is not a typedef, this raises.
+ """
+ if not hasattr(self, '_underlying_type'):
+ assert self.kind.is_declaration()
+ self._underlying_type = Cursor_underlying_type(self)
+
+ return self._underlying_type
+
+ @property
def hash(self):
"""Returns a hash of the cursor as an int."""
if not hasattr(self, '_hash'):
self._hash = Cursor_hash(self)
return self._hash
def get_children(self):
@@ -1795,16 +1808,21 @@ Cursor_ref.argtypes = [Cursor]
Cursor_ref.restype = Cursor
Cursor_ref.errcheck = Cursor.from_result
Cursor_type = lib.clang_getCursorType
Cursor_type.argtypes = [Cursor]
Cursor_type.restype = Type
Cursor_type.errcheck = Type.from_result
+Cursor_underlying_type = lib.clang_getTypedefDeclUnderlyingType
+Cursor_underlying_type.argtypes = [Cursor]
+Cursor_underlying_type.restype = Type
+Cursor_underlying_type.errcheck = Type.from_result
+
Cursor_visit_callback = CFUNCTYPE(c_int, Cursor, Cursor, py_object)
Cursor_visit = lib.clang_visitChildren
Cursor_visit.argtypes = [Cursor, Cursor_visit_callback, py_object]
Cursor_visit.restype = c_uint
# Type Functions
Type_get_canonical = lib.clang_getCanonicalType
Type_get_canonical.argtypes = [Type]
diff --git a/bindings/python/tests/cindex/test_cursor.py b/bindings/python/tests/cindex/test_cursor.py
index efcede9..d868303 100644
--- a/bindings/python/tests/cindex/test_cursor.py
+++ b/bindings/python/tests/cindex/test_cursor.py
@@ -57,8 +57,23 @@ def test_get_children():
assert tu_nodes[1].spelling == 's1'
assert tu_nodes[1].displayname == 's1'
assert tu_nodes[1].is_definition() == False
assert tu_nodes[2].kind == CursorKind.FUNCTION_DECL
assert tu_nodes[2].spelling == 'f0'
assert tu_nodes[2].displayname == 'f0(int, int)'
assert tu_nodes[2].is_definition() == True
+
+def test_underlying_type():
+ source = 'typedef int foo;'
+ index = Index.create()
+ tu = index.parse('test.c', unsaved_files=[('test.c', source)])
+ assert tu is not None
+
+ for cursor in tu.cursor.get_children():
+ if cursor.spelling == 'foo':
+ typedef = cursor
+ break
+
+ assert typedef.kind.is_declaration()
+ underlying = typedef.underlying_typedef_type
+ assert underlying.kind == TypeKind.INT
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