/** This file is part of the MicroPython project, http://micropython.org/** The MIT License (MIT)** Copyright (c) 2013, 2014 Damien P. George* Copyright (c) Quectel Wireless Solution, Co., Ltd.All Rights Reserved.** 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.*/#include <stdio.h>#include <assert.h>#include "py/bc0.h"#include "py/bc.h"#if MICROPY_DEBUG_PRINTERS#define DECODE_UINT { \unum = 0; \do { \unum = (unum << 7) + (*ip & 0x7f); \} while ((*ip++ & 0x80) != 0); \}#define DECODE_ULABEL do { unum = (ip[0] | (ip[1] << 8)); ip += 2; } while (0)#define DECODE_SLABEL do { unum = (ip[0] | (ip[1] << 8)) - 0x8000; ip += 2; } while (0)#if MICROPY_PERSISTENT_CODE#define DECODE_QSTR \qst = ip[0] | ip[1] << 8; \ip += 2;#define DECODE_PTR \DECODE_UINT; \unum = mp_showbc_const_table[unum]#define DECODE_OBJ \DECODE_UINT; \unum = mp_showbc_const_table[unum]#else#define DECODE_QSTR { \qst = 0; \do { \qst = (qst << 7) + (*ip & 0x7f); \} while ((*ip++ & 0x80) != 0); \}#define DECODE_PTR do { \ip = (byte *)MP_ALIGN(ip, sizeof(void *)); \unum = (uintptr_t)*(void **)ip; \ip += sizeof(void *); \} while (0)#define DECODE_OBJ do { \ip = (byte *)MP_ALIGN(ip, sizeof(mp_obj_t)); \unum = (mp_uint_t)*(mp_obj_t *)ip; \ip += sizeof(mp_obj_t); \} while (0)#endifconst byte *mp_showbc_code_start;const mp_uint_t *mp_showbc_const_table;void mp_bytecode_print(const mp_print_t *print, const void *descr, const byte *ip, mp_uint_t len, const mp_uint_t *const_table) {mp_showbc_code_start = ip;// Decode preludeMP_BC_PRELUDE_SIG_DECODE(ip);MP_BC_PRELUDE_SIZE_DECODE(ip);const byte *code_info = ip;#if MICROPY_PERSISTENT_CODEqstr block_name = code_info[0] | (code_info[1] << 8);qstr source_file = code_info[2] | (code_info[3] << 8);code_info += 4;#elseqstr block_name = mp_decode_uint(&code_info);qstr source_file = mp_decode_uint(&code_info);#endifmp_printf(print, "File %s, code block '%s' (descriptor: %p, bytecode @%p " UINT_FMT " bytes)\n",qstr_str(source_file), qstr_str(block_name), descr, mp_showbc_code_start, len);// raw bytecode dumpsize_t prelude_size = ip - mp_showbc_code_start + n_info + n_cell;mp_printf(print, "Raw bytecode (code_info_size=" UINT_FMT ", bytecode_size=" UINT_FMT "):\n",prelude_size, len - prelude_size);for (mp_uint_t i = 0; i < len; i++) {if (i > 0 && i % 16 == 0) {mp_printf(print, "\n");}mp_printf(print, " %02x", mp_showbc_code_start[i]);}mp_printf(print, "\n");// bytecode prelude: arg names (as qstr objects)mp_printf(print, "arg names:");for (mp_uint_t i = 0; i < n_pos_args + n_kwonly_args; i++) {mp_printf(print, " %s", qstr_str(MP_OBJ_QSTR_VALUE(const_table[i])));}mp_printf(print, "\n");mp_printf(print, "(N_STATE %u)\n", (unsigned)n_state);mp_printf(print, "(N_EXC_STACK %u)\n", (unsigned)n_exc_stack);// skip over code_infoip += n_info;// bytecode prelude: initialise closed over variablesfor (size_t i = 0; i < n_cell; ++i) {uint local_num = *ip++;mp_printf(print, "(INIT_CELL %u)\n", local_num);}// print out line number info{mp_int_t bc = 0;mp_uint_t source_line = 1;mp_printf(print, " bc=" INT_FMT " line=" UINT_FMT "\n", bc, source_line);for (const byte *ci = code_info; *ci;) {if ((ci[0] & 0x80) == 0) {// 0b0LLBBBBB encodingbc += ci[0] & 0x1f;source_line += ci[0] >> 5;ci += 1;} else {// 0b1LLLBBBB 0bLLLLLLLL encoding (l's LSB in second byte)bc += ci[0] & 0xf;source_line += ((ci[0] << 4) & 0x700) | ci[1];ci += 2;}mp_printf(print, " bc=" INT_FMT " line=" UINT_FMT "\n", bc, source_line);}}mp_bytecode_print2(print, ip, len - prelude_size, const_table);}const byte *mp_bytecode_print_str(const mp_print_t *print, const byte *ip) {mp_uint_t unum;qstr qst;switch (*ip++) {case MP_BC_LOAD_CONST_FALSE:mp_printf(print, "LOAD_CONST_FALSE");break;case MP_BC_LOAD_CONST_NONE:mp_printf(print, "LOAD_CONST_NONE");break;case MP_BC_LOAD_CONST_TRUE:mp_printf(print, "LOAD_CONST_TRUE");break;case MP_BC_LOAD_CONST_SMALL_INT: {mp_int_t num = 0;if ((ip[0] & 0x40) != 0) {// Number is negativenum--;}do {num = (num << 7) | (*ip & 0x7f);} while ((*ip++ & 0x80) != 0);mp_printf(print, "LOAD_CONST_SMALL_INT " INT_FMT, num);break;}case MP_BC_LOAD_CONST_STRING:DECODE_QSTR;mp_printf(print, "LOAD_CONST_STRING '%s'", qstr_str(qst));break;case MP_BC_LOAD_CONST_OBJ:DECODE_OBJ;mp_printf(print, "LOAD_CONST_OBJ %p=", MP_OBJ_TO_PTR(unum));mp_obj_print_helper(print, (mp_obj_t)unum, PRINT_REPR);break;case MP_BC_LOAD_NULL:mp_printf(print, "LOAD_NULL");break;case MP_BC_LOAD_FAST_N:DECODE_UINT;mp_printf(print, "LOAD_FAST_N " UINT_FMT, unum);break;case MP_BC_LOAD_DEREF:DECODE_UINT;mp_printf(print, "LOAD_DEREF " UINT_FMT, unum);break;case MP_BC_LOAD_NAME:DECODE_QSTR;mp_printf(print, "LOAD_NAME %s", qstr_str(qst));if (MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE) {mp_printf(print, " (cache=%u)", *ip++);}break;case MP_BC_LOAD_GLOBAL:DECODE_QSTR;mp_printf(print, "LOAD_GLOBAL %s", qstr_str(qst));if (MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE) {mp_printf(print, " (cache=%u)", *ip++);}break;case MP_BC_LOAD_ATTR:DECODE_QSTR;mp_printf(print, "LOAD_ATTR %s", qstr_str(qst));if (MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE) {mp_printf(print, " (cache=%u)", *ip++);}break;case MP_BC_LOAD_METHOD:DECODE_QSTR;mp_printf(print, "LOAD_METHOD %s", qstr_str(qst));break;case MP_BC_LOAD_SUPER_METHOD:DECODE_QSTR;mp_printf(print, "LOAD_SUPER_METHOD %s", qstr_str(qst));break;case MP_BC_LOAD_BUILD_CLASS:mp_printf(print, "LOAD_BUILD_CLASS");break;case MP_BC_LOAD_SUBSCR:mp_printf(print, "LOAD_SUBSCR");break;case MP_BC_STORE_FAST_N:DECODE_UINT;mp_printf(print, "STORE_FAST_N " UINT_FMT, unum);break;case MP_BC_STORE_DEREF:DECODE_UINT;mp_printf(print, "STORE_DEREF " UINT_FMT, unum);break;case MP_BC_STORE_NAME:DECODE_QSTR;mp_printf(print, "STORE_NAME %s", qstr_str(qst));break;case MP_BC_STORE_GLOBAL:DECODE_QSTR;mp_printf(print, "STORE_GLOBAL %s", qstr_str(qst));break;case MP_BC_STORE_ATTR:DECODE_QSTR;mp_printf(print, "STORE_ATTR %s", qstr_str(qst));if (MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE) {mp_printf(print, " (cache=%u)", *ip++);}break;case MP_BC_STORE_SUBSCR:mp_printf(print, "STORE_SUBSCR");break;case MP_BC_DELETE_FAST:DECODE_UINT;mp_printf(print, "DELETE_FAST " UINT_FMT, unum);break;case MP_BC_DELETE_DEREF:DECODE_UINT;mp_printf(print, "DELETE_DEREF " UINT_FMT, unum);break;case MP_BC_DELETE_NAME:DECODE_QSTR;mp_printf(print, "DELETE_NAME %s", qstr_str(qst));break;case MP_BC_DELETE_GLOBAL:DECODE_QSTR;mp_printf(print, "DELETE_GLOBAL %s", qstr_str(qst));break;case MP_BC_DUP_TOP:mp_printf(print, "DUP_TOP");break;case MP_BC_DUP_TOP_TWO:mp_printf(print, "DUP_TOP_TWO");break;case MP_BC_POP_TOP:mp_printf(print, "POP_TOP");break;case MP_BC_ROT_TWO:mp_printf(print, "ROT_TWO");break;case MP_BC_ROT_THREE:mp_printf(print, "ROT_THREE");break;case MP_BC_JUMP:DECODE_SLABEL;mp_printf(print, "JUMP " UINT_FMT, (mp_uint_t)(ip + unum - mp_showbc_code_start));break;case MP_BC_POP_JUMP_IF_TRUE:DECODE_SLABEL;mp_printf(print, "POP_JUMP_IF_TRUE " UINT_FMT, (mp_uint_t)(ip + unum - mp_showbc_code_start));break;case MP_BC_POP_JUMP_IF_FALSE:DECODE_SLABEL;mp_printf(print, "POP_JUMP_IF_FALSE " UINT_FMT, (mp_uint_t)(ip + unum - mp_showbc_code_start));break;case MP_BC_JUMP_IF_TRUE_OR_POP:DECODE_SLABEL;mp_printf(print, "JUMP_IF_TRUE_OR_POP " UINT_FMT, (mp_uint_t)(ip + unum - mp_showbc_code_start));break;case MP_BC_JUMP_IF_FALSE_OR_POP:DECODE_SLABEL;mp_printf(print, "JUMP_IF_FALSE_OR_POP " UINT_FMT, (mp_uint_t)(ip + unum - mp_showbc_code_start));break;case MP_BC_SETUP_WITH:DECODE_ULABEL; // loop-like labels are always forwardmp_printf(print, "SETUP_WITH " UINT_FMT, (mp_uint_t)(ip + unum - mp_showbc_code_start));break;case MP_BC_WITH_CLEANUP:mp_printf(print, "WITH_CLEANUP");break;case MP_BC_UNWIND_JUMP:DECODE_SLABEL;mp_printf(print, "UNWIND_JUMP " UINT_FMT " %d", (mp_uint_t)(ip + unum - mp_showbc_code_start), *ip);ip += 1;break;case MP_BC_SETUP_EXCEPT:DECODE_ULABEL; // except labels are always forwardmp_printf(print, "SETUP_EXCEPT " UINT_FMT, (mp_uint_t)(ip + unum - mp_showbc_code_start));break;case MP_BC_SETUP_FINALLY:DECODE_ULABEL; // except labels are always forwardmp_printf(print, "SETUP_FINALLY " UINT_FMT, (mp_uint_t)(ip + unum - mp_showbc_code_start));break;case MP_BC_END_FINALLY:// if TOS is an exception, reraises the exception (3 values on TOS)// if TOS is an integer, does something else// if TOS is None, just pops it and continues// else errormp_printf(print, "END_FINALLY");break;case MP_BC_GET_ITER:mp_printf(print, "GET_ITER");break;case MP_BC_GET_ITER_STACK:mp_printf(print, "GET_ITER_STACK");break;case MP_BC_FOR_ITER:DECODE_ULABEL; // the jump offset if iteration finishes; for labels are always forwardmp_printf(print, "FOR_ITER " UINT_FMT, (mp_uint_t)(ip + unum - mp_showbc_code_start));break;case MP_BC_POP_EXCEPT_JUMP:DECODE_ULABEL; // these labels are always forwardmp_printf(print, "POP_EXCEPT_JUMP " UINT_FMT, (mp_uint_t)(ip + unum - mp_showbc_code_start));break;case MP_BC_BUILD_TUPLE:DECODE_UINT;mp_printf(print, "BUILD_TUPLE " UINT_FMT, unum);break;case MP_BC_BUILD_LIST:DECODE_UINT;mp_printf(print, "BUILD_LIST " UINT_FMT, unum);break;case MP_BC_BUILD_MAP:DECODE_UINT;mp_printf(print, "BUILD_MAP " UINT_FMT, unum);break;case MP_BC_STORE_MAP:mp_printf(print, "STORE_MAP");break;case MP_BC_BUILD_SET:DECODE_UINT;mp_printf(print, "BUILD_SET " UINT_FMT, unum);break;#if MICROPY_PY_BUILTINS_SLICEcase MP_BC_BUILD_SLICE:DECODE_UINT;mp_printf(print, "BUILD_SLICE " UINT_FMT, unum);break;#endifcase MP_BC_STORE_COMP:DECODE_UINT;mp_printf(print, "STORE_COMP " UINT_FMT, unum);break;case MP_BC_UNPACK_SEQUENCE:DECODE_UINT;mp_printf(print, "UNPACK_SEQUENCE " UINT_FMT, unum);break;case MP_BC_UNPACK_EX:DECODE_UINT;mp_printf(print, "UNPACK_EX " UINT_FMT, unum);break;case MP_BC_MAKE_FUNCTION:DECODE_PTR;mp_printf(print, "MAKE_FUNCTION %p", (void *)(uintptr_t)unum);break;case MP_BC_MAKE_FUNCTION_DEFARGS:DECODE_PTR;mp_printf(print, "MAKE_FUNCTION_DEFARGS %p", (void *)(uintptr_t)unum);break;case MP_BC_MAKE_CLOSURE: {DECODE_PTR;mp_uint_t n_closed_over = *ip++;mp_printf(print, "MAKE_CLOSURE %p " UINT_FMT, (void *)(uintptr_t)unum, n_closed_over);break;}case MP_BC_MAKE_CLOSURE_DEFARGS: {DECODE_PTR;mp_uint_t n_closed_over = *ip++;mp_printf(print, "MAKE_CLOSURE_DEFARGS %p " UINT_FMT, (void *)(uintptr_t)unum, n_closed_over);break;}case MP_BC_CALL_FUNCTION:DECODE_UINT;mp_printf(print, "CALL_FUNCTION n=" UINT_FMT " nkw=" UINT_FMT, unum & 0xff, (unum >> 8) & 0xff);break;case MP_BC_CALL_FUNCTION_VAR_KW:DECODE_UINT;mp_printf(print, "CALL_FUNCTION_VAR_KW n=" UINT_FMT " nkw=" UINT_FMT, unum & 0xff, (unum >> 8) & 0xff);break;case MP_BC_CALL_METHOD:DECODE_UINT;mp_printf(print, "CALL_METHOD n=" UINT_FMT " nkw=" UINT_FMT, unum & 0xff, (unum >> 8) & 0xff);break;case MP_BC_CALL_METHOD_VAR_KW:DECODE_UINT;mp_printf(print, "CALL_METHOD_VAR_KW n=" UINT_FMT " nkw=" UINT_FMT, unum & 0xff, (unum >> 8) & 0xff);break;case MP_BC_RETURN_VALUE:mp_printf(print, "RETURN_VALUE");break;case MP_BC_RAISE_LAST:mp_printf(print, "RAISE_LAST");break;case MP_BC_RAISE_OBJ:mp_printf(print, "RAISE_OBJ");break;case MP_BC_RAISE_FROM:mp_printf(print, "RAISE_FROM");break;case MP_BC_YIELD_VALUE:mp_printf(print, "YIELD_VALUE");break;case MP_BC_YIELD_FROM:mp_printf(print, "YIELD_FROM");break;case MP_BC_IMPORT_NAME:DECODE_QSTR;mp_printf(print, "IMPORT_NAME '%s'", qstr_str(qst));break;case MP_BC_IMPORT_FROM:DECODE_QSTR;mp_printf(print, "IMPORT_FROM '%s'", qstr_str(qst));break;case MP_BC_IMPORT_STAR:mp_printf(print, "IMPORT_STAR");break;default:if (ip[-1] < MP_BC_LOAD_CONST_SMALL_INT_MULTI + 64) {mp_printf(print, "LOAD_CONST_SMALL_INT " INT_FMT, (mp_int_t)ip[-1] - MP_BC_LOAD_CONST_SMALL_INT_MULTI - 16);} else if (ip[-1] < MP_BC_LOAD_FAST_MULTI + 16) {mp_printf(print, "LOAD_FAST " UINT_FMT, (mp_uint_t)ip[-1] - MP_BC_LOAD_FAST_MULTI);} else if (ip[-1] < MP_BC_STORE_FAST_MULTI + 16) {mp_printf(print, "STORE_FAST " UINT_FMT, (mp_uint_t)ip[-1] - MP_BC_STORE_FAST_MULTI);} else if (ip[-1] < MP_BC_UNARY_OP_MULTI + MP_UNARY_OP_NUM_BYTECODE) {mp_printf(print, "UNARY_OP " UINT_FMT, (mp_uint_t)ip[-1] - MP_BC_UNARY_OP_MULTI);} else if (ip[-1] < MP_BC_BINARY_OP_MULTI + MP_BINARY_OP_NUM_BYTECODE) {mp_uint_t op = ip[-1] - MP_BC_BINARY_OP_MULTI;mp_printf(print, "BINARY_OP " UINT_FMT " %s", op, qstr_str(mp_binary_op_method_name[op]));} else {mp_printf(print, "code %p, byte code 0x%02x not implemented\n", ip - 1, ip[-1]);assert(0);return ip;}break;}return ip;}void mp_bytecode_print2(const mp_print_t *print, const byte *ip, size_t len, const mp_uint_t *const_table) {mp_showbc_code_start = ip;mp_showbc_const_table = const_table;while (ip < len + mp_showbc_code_start) {mp_printf(print, "%02u ", (uint)(ip - mp_showbc_code_start));ip = mp_bytecode_print_str(print, ip);mp_printf(print, "\n");}}#endif // MICROPY_DEBUG_PRINTERS
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