ir: Fall back to get the cursors from the type if we find no param decls.

It seems libclang sometimes doesn't expose the right paramdecl cursors.

This should be reported upstream, but it's easy enough to workaround. It
loses the parameter names which is a bit unfortunate but...

Fixes #1778

1 files changed, 12 insertions, 0 deletions

diff --git a/tests/headers/function-typedef-stdcall.h b/tests/headers/function-typedef-stdcall.h
new file mode 100644
index 00000000..05d1e78a
--- /dev/null
+++ b/tests/headers/function-typedef-stdcall.h
@@ -0,0 +1,12 @@
+typedef
+    void __stdcall
+    EVT_VIGEM_X360_NOTIFICATION(
+        void* Client,
+        void* Target,
+        unsigned char LargeMotor,
+        unsigned char SmallMotor,
+        unsigned char LedNumber,
+        void* UserData
+    );
+
+typedef EVT_VIGEM_X360_NOTIFICATION *PFN_VIGEM_X360_NOTIFICATION;