py: Use variable length encoded uints in more places in bytecode.

Code-info size, block name, source name, n_state and n_exc_stack now use
variable length encoded uints.  This saves 7-9 bytes per bytecode
function for most functions.

1 files changed, 2 insertions, 0 deletions

diff --git a/py/bc.h b/py/bc.h
index 479317499..b92342d84 100644
--- a/py/bc.h
+++ b/py/bc.h
@@ -49,6 +49,8 @@ typedef struct _mp_code_state {
     //mp_exc_stack_t exc_state[0];
 } mp_code_state;
 
+mp_uint_t mp_decode_uint(const byte **ptr);
+
 mp_vm_return_kind_t mp_execute_bytecode(mp_code_state *code_state, volatile mp_obj_t inject_exc);
 void mp_setup_code_state(mp_code_state *code_state, mp_obj_t self_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args);
 void mp_bytecode_print(const void *descr, const byte *code, int len);