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Make VM stack grow upwards, and so no reversed args arrays.

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Change state layout in VM so the stack starts at state[0] and grows
upwards.  Locals are at the top end of the state and number downwards.
This cleans up a lot of the interface connecting the VM to C: now all
functions that take an array of Micro Python objects are in order (ie no
longer in reverse).

Also clean up C API with keyword arguments (call_n and call_n_kw
replaced with single call method that takes keyword arguments).  And now
make_new takes keyword arguments.

emitnative.c has not yet been changed to comply with the new order of
stack layout.
This commit is contained in:
Damien George
2014-01-18 14:10:48 +00:00
parent 8655065f8c
commit 20006dbba9
28 changed files with 325 additions and 372 deletions
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12
py/showbc.c
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@@ -286,12 +286,11 @@ void mp_show_byte_code(const byte *ip, int len) {
printf("BUILD_MAP " UINT_FMT, unum);
break;
/*
case MP_BC_STORE_MAP:
sp += 2;
rt_store_map(sp[0], sp[-2], sp[-1]);
printf("STORE_MAP");
break;
/*
case MP_BC_MAP_ADD:
DECODE_UINT;
// I think it's guaranteed by the compiler that sp[unum + 1] is a map
@@ -310,6 +309,13 @@ void mp_show_byte_code(const byte *ip, int len) {
printf("SET_ADD " UINT_FMT, unum);
break;
#if MICROPY_ENABLE_SLICE
case MP_BC_BUILD_SLICE:
DECODE_UINT;
printf("BUILD_SLICE " UINT_FMT, unum);
break;
#endif
case MP_BC_UNPACK_SEQUENCE:
DECODE_UINT;
printf("UNPACK_SEQUENCE " UINT_FMT, unum);