py: Add option to compile without any error messages at all.

This introduces a new option, MICROPY_ERROR_REPORTING_NONE, which
completely disables all error messages.  To be used in cases where
MicroPython needs to fit in very limited systems.

Signed-off-by: Damien George <damien@micropython.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/py/obj.h b/py/obj.h
index 6a040b777..86e5d8312 100644
--- a/py/obj.h
+++ b/py/obj.h
@@ -741,8 +741,13 @@ mp_obj_t mp_obj_new_complex(mp_float_t real, mp_float_t imag);
 mp_obj_t mp_obj_new_exception(const mp_obj_type_t *exc_type);
 mp_obj_t mp_obj_new_exception_arg1(const mp_obj_type_t *exc_type, mp_obj_t arg);
 mp_obj_t mp_obj_new_exception_args(const mp_obj_type_t *exc_type, size_t n_args, const mp_obj_t *args);
+#if MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_NONE
+#define mp_obj_new_exception_msg(exc_type, msg) mp_obj_new_exception(exc_type)
+#define mp_obj_new_exception_msg_varg(exc_type, ...) mp_obj_new_exception(exc_type)
+#else
 mp_obj_t mp_obj_new_exception_msg(const mp_obj_type_t *exc_type, mp_rom_error_text_t msg);
 mp_obj_t mp_obj_new_exception_msg_varg(const mp_obj_type_t *exc_type, mp_rom_error_text_t fmt, ...); // counts args by number of % symbols in fmt, excluding %%; can only handle void* sizes (ie no float/double!)
+#endif
 #ifdef va_start
 mp_obj_t mp_obj_new_exception_msg_vlist(const mp_obj_type_t *exc_type, mp_rom_error_text_t fmt, va_list arg); // same fmt restrictions as above
 #endif