C extension (speeds up simpleion dump/load)

MANIFEST.in

@@ -3,3 +3,6 @@ recursive-include tests *.py
 graft vectors
 global-exclude *.pyc
 global-exclude .git*
+recursive-include amazon/ion/ion-c-build *
+include install.py
+include amazon/ion/_ioncmodule.h

amazon/ion/_ioncmodule.h

@@ -0,0 +1,19 @@
+#ifndef _IONCMODULE_H_
+#define _IONCMODULE_H_
+
+#include "structmember.h"
+#include "decimal128.h"
+#include "ion.h"
+
+PyObject* ionc_init_module(void);
+iERR ionc_write_value(hWRITER writer, PyObject* obj, PyObject* tuple_as_sexp);
+PyObject* ionc_read(PyObject* self, PyObject *args, PyObject *kwds);
+iERR ionc_read_all(hREADER hreader, PyObject* container, BOOL in_struct, BOOL emit_bare_values);
+iERR ionc_read_value(hREADER hreader, ION_TYPE t, PyObject* container, BOOL in_struct, BOOL emit_bare_values);
+
+iERR _ion_writer_write_symbol_id_helper(ION_WRITER *pwriter, SID value);
+iERR _ion_writer_add_annotation_sid_helper(ION_WRITER *pwriter, SID sid);
+iERR _ion_writer_write_field_sid_helper(ION_WRITER *pwriter, SID sid);
+ION_API_EXPORT void ion_helper_breakpoint(void);
+
+#endif