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bc0.h
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bc0.h
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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef MICROPY_INCLUDED_PY_BC0_H
#define MICROPY_INCLUDED_PY_BC0_H
// MicroPython bytecode opcodes, grouped based on the format of the opcode
#define MP_BC_MASK_FORMAT (0xf0)
#define MP_BC_MASK_EXTRA_BYTE (0x9e)
#define MP_BC_FORMAT_BYTE (0)
#define MP_BC_FORMAT_QSTR (1)
#define MP_BC_FORMAT_VAR_UINT (2)
#define MP_BC_FORMAT_OFFSET (3)
// Nibbles in magic number are: BB BB BB BB BB BO VV QU
#define MP_BC_FORMAT(op) ((0x000003a4 >> (2 * ((op) >> 4))) & 3)
// Load, Store, Delete, Import, Make, Build, Unpack, Call, Jump, Exception, For, sTack, Return, Yield, Op
#define MP_BC_BASE_RESERVED (0x00) // ----------------
#define MP_BC_BASE_QSTR_O (0x10) // LLLLLLSSSDDII---
#define MP_BC_BASE_VINT_E (0x20) // MMLLLLSSDDBBBBBB
#define MP_BC_BASE_VINT_O (0x30) // UUMMCCCC--------
#define MP_BC_BASE_JUMP_E (0x40) // J-JJJJJEEEEF----
#define MP_BC_BASE_BYTE_O (0x50) // LLLLSSDTTTTTEEFF
#define MP_BC_BASE_BYTE_E (0x60) // E-BRYYI---------
#define MP_BC_LOAD_CONST_SMALL_INT_MULTI (0x70) // LLLLLLLLLLLLLLLL
// (0x80) // LLLLLLLLLLLLLLLL
// (0x90) // LLLLLLLLLLLLLLLL
// (0xa0) // LLLLLLLLLLLLLLLL
#define MP_BC_LOAD_FAST_MULTI (0xb0) // LLLLLLLLLLLLLLLL
#define MP_BC_STORE_FAST_MULTI (0xc0) // SSSSSSSSSSSSSSSS
#define MP_BC_UNARY_OP_MULTI (0xd0) // OOOOOOO
#define MP_BC_BINARY_OP_MULTI (0xd7) // OOOOOOOOO
// (0xe0) // OOOOOOOOOOOOOOOO
// (0xf0) // OOOOOOOOOO------
#define MP_BC_LOAD_CONST_FALSE (MP_BC_BASE_BYTE_O + 0x00)
#define MP_BC_LOAD_CONST_NONE (MP_BC_BASE_BYTE_O + 0x01)
#define MP_BC_LOAD_CONST_TRUE (MP_BC_BASE_BYTE_O + 0x02)
#define MP_BC_LOAD_CONST_SMALL_INT (MP_BC_BASE_VINT_E + 0x02) // signed var-int
#define MP_BC_LOAD_CONST_STRING (MP_BC_BASE_QSTR_O + 0x00) // qstr
#define MP_BC_LOAD_CONST_OBJ (MP_BC_BASE_VINT_E + 0x03) // ptr
#define MP_BC_LOAD_NULL (MP_BC_BASE_BYTE_O + 0x03)
#define MP_BC_LOAD_FAST_N (MP_BC_BASE_VINT_E + 0x04) // uint
#define MP_BC_LOAD_DEREF (MP_BC_BASE_VINT_E + 0x05) // uint
#define MP_BC_LOAD_NAME (MP_BC_BASE_QSTR_O + 0x01) // qstr
#define MP_BC_LOAD_GLOBAL (MP_BC_BASE_QSTR_O + 0x02) // qstr
#define MP_BC_LOAD_ATTR (MP_BC_BASE_QSTR_O + 0x03) // qstr
#define MP_BC_LOAD_METHOD (MP_BC_BASE_QSTR_O + 0x04) // qstr
#define MP_BC_LOAD_SUPER_METHOD (MP_BC_BASE_QSTR_O + 0x05) // qstr
#define MP_BC_LOAD_BUILD_CLASS (MP_BC_BASE_BYTE_O + 0x04)
#define MP_BC_LOAD_SUBSCR (MP_BC_BASE_BYTE_O + 0x05)
#define MP_BC_STORE_FAST_N (MP_BC_BASE_VINT_E + 0x06) // uint
#define MP_BC_STORE_DEREF (MP_BC_BASE_VINT_E + 0x07) // uint
#define MP_BC_STORE_NAME (MP_BC_BASE_QSTR_O + 0x06) // qstr
#define MP_BC_STORE_GLOBAL (MP_BC_BASE_QSTR_O + 0x07) // qstr
#define MP_BC_STORE_ATTR (MP_BC_BASE_QSTR_O + 0x08) // qstr
#define MP_BC_STORE_SUBSCR (MP_BC_BASE_BYTE_O + 0x06)
#define MP_BC_DELETE_FAST (MP_BC_BASE_VINT_E + 0x08) // uint
#define MP_BC_DELETE_DEREF (MP_BC_BASE_VINT_E + 0x09) // uint
#define MP_BC_DELETE_NAME (MP_BC_BASE_QSTR_O + 0x09) // qstr
#define MP_BC_DELETE_GLOBAL (MP_BC_BASE_QSTR_O + 0x0a) // qstr
#define MP_BC_DUP_TOP (MP_BC_BASE_BYTE_O + 0x07)
#define MP_BC_DUP_TOP_TWO (MP_BC_BASE_BYTE_O + 0x08)
#define MP_BC_POP_TOP (MP_BC_BASE_BYTE_O + 0x09)
#define MP_BC_ROT_TWO (MP_BC_BASE_BYTE_O + 0x0a)
#define MP_BC_ROT_THREE (MP_BC_BASE_BYTE_O + 0x0b)
#define MP_BC_JUMP (MP_BC_BASE_JUMP_E + 0x02) // rel byte code offset, 16-bit signed, in excess
#define MP_BC_POP_JUMP_IF_TRUE (MP_BC_BASE_JUMP_E + 0x03) // rel byte code offset, 16-bit signed, in excess
#define MP_BC_POP_JUMP_IF_FALSE (MP_BC_BASE_JUMP_E + 0x04) // rel byte code offset, 16-bit signed, in excess
#define MP_BC_JUMP_IF_TRUE_OR_POP (MP_BC_BASE_JUMP_E + 0x05) // rel byte code offset, 16-bit signed, in excess
#define MP_BC_JUMP_IF_FALSE_OR_POP (MP_BC_BASE_JUMP_E + 0x06) // rel byte code offset, 16-bit signed, in excess
#define MP_BC_UNWIND_JUMP (MP_BC_BASE_JUMP_E + 0x00) // rel byte code offset, 16-bit signed, in excess; then a byte
#define MP_BC_SETUP_WITH (MP_BC_BASE_JUMP_E + 0x07) // rel byte code offset, 16-bit unsigned
#define MP_BC_SETUP_EXCEPT (MP_BC_BASE_JUMP_E + 0x08) // rel byte code offset, 16-bit unsigned
#define MP_BC_SETUP_FINALLY (MP_BC_BASE_JUMP_E + 0x09) // rel byte code offset, 16-bit unsigned
#define MP_BC_POP_EXCEPT_JUMP (MP_BC_BASE_JUMP_E + 0x0a) // rel byte code offset, 16-bit unsigned
#define MP_BC_FOR_ITER (MP_BC_BASE_JUMP_E + 0x0b) // rel byte code offset, 16-bit unsigned
#define MP_BC_WITH_CLEANUP (MP_BC_BASE_BYTE_O + 0x0c)
#define MP_BC_END_FINALLY (MP_BC_BASE_BYTE_O + 0x0d)
#define MP_BC_GET_ITER (MP_BC_BASE_BYTE_O + 0x0e)
#define MP_BC_GET_ITER_STACK (MP_BC_BASE_BYTE_O + 0x0f)
#define MP_BC_BUILD_TUPLE (MP_BC_BASE_VINT_E + 0x0a) // uint
#define MP_BC_BUILD_LIST (MP_BC_BASE_VINT_E + 0x0b) // uint
#define MP_BC_BUILD_MAP (MP_BC_BASE_VINT_E + 0x0c) // uint
#define MP_BC_STORE_MAP (MP_BC_BASE_BYTE_E + 0x02)
#define MP_BC_BUILD_SET (MP_BC_BASE_VINT_E + 0x0d) // uint
#define MP_BC_BUILD_SLICE (MP_BC_BASE_VINT_E + 0x0e) // uint
#define MP_BC_STORE_COMP (MP_BC_BASE_VINT_E + 0x0f) // uint
#define MP_BC_UNPACK_SEQUENCE (MP_BC_BASE_VINT_O + 0x00) // uint
#define MP_BC_UNPACK_EX (MP_BC_BASE_VINT_O + 0x01) // uint
#define MP_BC_RETURN_VALUE (MP_BC_BASE_BYTE_E + 0x03)
#define MP_BC_RAISE_VARARGS (MP_BC_BASE_BYTE_E + 0x00) // extra byte
#define MP_BC_YIELD_VALUE (MP_BC_BASE_BYTE_E + 0x04)
#define MP_BC_YIELD_FROM (MP_BC_BASE_BYTE_E + 0x05)
#define MP_BC_MAKE_FUNCTION (MP_BC_BASE_VINT_O + 0x02) // uint
#define MP_BC_MAKE_FUNCTION_DEFARGS (MP_BC_BASE_VINT_O + 0x03) // uint
#define MP_BC_MAKE_CLOSURE (MP_BC_BASE_VINT_E + 0x00) // uint; extra byte
#define MP_BC_MAKE_CLOSURE_DEFARGS (MP_BC_BASE_VINT_E + 0x01) // uint; extra byte
#define MP_BC_CALL_FUNCTION (MP_BC_BASE_VINT_O + 0x04) // uint
#define MP_BC_CALL_FUNCTION_VAR_KW (MP_BC_BASE_VINT_O + 0x05) // uint
#define MP_BC_CALL_METHOD (MP_BC_BASE_VINT_O + 0x06) // uint
#define MP_BC_CALL_METHOD_VAR_KW (MP_BC_BASE_VINT_O + 0x07) // uint
#define MP_BC_IMPORT_NAME (MP_BC_BASE_QSTR_O + 0x0b) // qstr
#define MP_BC_IMPORT_FROM (MP_BC_BASE_QSTR_O + 0x0c) // qstr
#define MP_BC_IMPORT_STAR (MP_BC_BASE_BYTE_E + 0x06)
#endif // MICROPY_INCLUDED_PY_BC0_H