Add some support files from PyObjC.

darcs-hash:9abac9aee8a4843a399d1c6472b32ff3bc3aa0ee

1 files changed, 93 insertions, 0 deletions

diff --git a/Objective-C/objc_support.h b/Objective-C/objc_support.h
new file mode 100644
index 0000000..6c4028e
--- /dev/null
+++ b/Objective-C/objc_support.h
@@ -0,0 +1,93 @@
+/* Copyright (c) 1996,97,98 by Lele Gaifax.  All Rights Reserved
+ * Copyright (2) 2003 Ronald Oussoren
+ *
+ * This software may be used and distributed freely for any purpose
+ * provided that this notice is included unchanged on any and all
+ * copies. The author does not warrant or guarantee this software in
+ * any way.
+ *
+ * This file is part of the PyObjC package.
+ *
+ * RCSfile: objc_support.h,v
+ * Revision: 1.16
+ * Date: 1998/08/18 15:35:57
+ *
+ * Created Tue Sep 10 14:11:38 1996.
+ *
+ * TODO: the functions exported by this file should be changed, the names
+ * should start with 'PyObjC' and should be the same as the names used in
+ * pyobjc-api.h (where appropriate).
+ */
+
+#ifndef _objc_support_H
+#define _objc_support_H
+
+#ifdef GNU_RUNTIME
+
+#  include "objc-runtime-gnu.h"
+
+#else /* NeXTSTEP / Mac OS X */
+
+#  include "objc-runtime-apple.h"
+
+#endif 
+
+/*#F Takes a C value pointed by @var{datum} with its type encoded in
+  @var{type}, that should be coming from an ObjC @encode directive,
+  and returns an equivalent Python object where C structures and
+  arrays are represented as tuples. */
+extern PyObject *pythonify_c_value (const char *type,
+				    void *datum);
+extern PyObject *pythonify_c_return_value (const char *type,
+				    void *datum);
+
+/*#F Takes a Python object @var{arg} and translate it into a C value
+  pointed by @var{datum} accordingly with the type specification
+  encoded in @var{type}, that should be coming from an ObjC @encode
+  directive.
+  Returns NULL on success, or a static error string describing the
+  error. */
+extern int depythonify_c_value (const char *type,
+					PyObject *arg,
+					void *datum);
+extern int depythonify_c_return_value (const char *type,
+					PyObject *arg,
+					void *datum);
+
+extern Py_ssize_t PyObjCRT_SizeOfReturnType(const char* type);
+extern Py_ssize_t PyObjCRT_SizeOfType(const char *type);
+extern Py_ssize_t PyObjCRT_AlignOfType(const char *type);
+extern const char *PyObjCRT_SkipTypeSpec (const char *type);
+extern const char* PyObjCRT_SkipTypeQualifiers (const char* type);
+
+/*
+ * Compatibility with pyobjc-api.h
+ */
+static inline id PyObjC_PythonToId(PyObject* value)
+{
+	id res;
+	int r;
+
+	r = depythonify_c_value(@encode(id), value, &res);
+	if (r == -1) {
+		return NULL;
+	} else {
+		return res;
+	}
+}
+
+static inline PyObject* PyObjC_IdToPython(id value)
+{
+	PyObject* res;
+
+	res = pythonify_c_value(@encode(id), &value);
+	return res;
+}
+
+
+extern int PyObjCRT_SetupClass(
+	Class, Class, const char*, Class, Class, Py_ssize_t, struct objc_ivar_list*,
+	struct objc_protocol_list*);
+extern void PyObjCRT_ClearClass(Class cls);
+
+#endif /* _objc_support_H */