py: Add basic framework for issuing compile/runtime warnings.

1 files changed, 6 insertions, 0 deletions

diff --git a/py/emit.h b/py/emit.h
index 927e33ea7..f039770a5 100644
--- a/py/emit.h
+++ b/py/emit.h
@@ -204,4 +204,10 @@ extern const emit_inline_asm_method_table_t emit_inline_thumb_method_table;
 emit_inline_asm_t *emit_inline_thumb_new(mp_uint_t max_num_labels);
 void emit_inline_thumb_free(emit_inline_asm_t *emit);
 
+#if MICROPY_WARNINGS
+void mp_emitter_warning(pass_kind_t pass, const char *msg);
+#else
+#define mp_emitter_warning(pass, msg)
+#endif
+
 #endif // __MICROPY_INCLUDED_PY_EMIT_H__