[WIP] Some layouts for FFI

Author: kngwyu

src/ffi/bytearrayobject.rs

@@ -10,6 +10,15 @@ extern "C" {
     pub static mut PyByteArrayIter_Type: PyTypeObject;
 }
 
+#[repr(C)]
+pub struct PyByteArraybject {
+    pub ob_base: PyVarObject,
+    pub ob_alloc: Py_ssize_t,
+    pub ob_bytes: *mut c_char,
+    pub ob_start: *mut c_char,
+    pub ob_exports: Py_ssize_t,
+}
+
 #[inline]
 pub unsafe fn PyByteArray_Check(op: *mut PyObject) -> c_int {
     PyObject_TypeCheck(op, &mut PyByteArray_Type)

src/ffi/bytesobject.rs

@@ -1,5 +1,5 @@
 use crate::ffi::object::*;
-use crate::ffi::pyport::Py_ssize_t;
+use crate::ffi::pyport::{Py_hash_t, Py_ssize_t};
 use std::os::raw::{c_char, c_int};
 
 #[cfg_attr(windows, link(name = "pythonXY"))]
@@ -9,6 +9,13 @@ extern "C" {
     pub static mut PyBytesIter_Type: PyTypeObject;
 }
 
+#[repr(C)]
+pub struct PyBytesObject {
+    pub ob_base: PyVarObject,
+    pub ob_shash: Py_hash_t,
+    pub ob_sval: [c_char; 1],
+}
+
 #[inline]
 pub unsafe fn PyBytes_Check(op: *mut PyObject) -> c_int {
     PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_BYTES_SUBCLASS)

src/ffi/code.rs

@@ -31,13 +31,6 @@ pub struct PyCodeObject {
     pub co_extra: *mut c_void,
 }
 
-impl Default for PyCodeObject {
-    #[inline]
-    fn default() -> Self {
-        unsafe { ::std::mem::zeroed() }
-    }
-}
-
 /* Masks for co_flags */
 pub const CO_OPTIMIZED: c_int = 0x0001;
 pub const CO_NEWLOCALS: c_int = 0x0002;