You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
209 lines
7.1 KiB
209 lines
7.1 KiB
/*
|
|
* 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.
|
|
*/
|
|
|
|
// This code glues the code emitters to the runtime.
|
|
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
|
|
#include "py/emitglue.h"
|
|
#include "py/runtime0.h"
|
|
#include "py/bc.h"
|
|
#include "py/profile.h"
|
|
|
|
#if MICROPY_DEBUG_VERBOSE // print debugging info
|
|
#define DEBUG_PRINT (1)
|
|
#define WRITE_CODE (1)
|
|
#define DEBUG_printf DEBUG_printf
|
|
#define DEBUG_OP_printf(...) DEBUG_printf(__VA_ARGS__)
|
|
#else // don't print debugging info
|
|
#define DEBUG_printf(...) (void)0
|
|
#define DEBUG_OP_printf(...) (void)0
|
|
#endif
|
|
|
|
#if MICROPY_DEBUG_PRINTERS
|
|
mp_uint_t mp_verbose_flag = 0;
|
|
#endif
|
|
|
|
mp_raw_code_t *mp_emit_glue_new_raw_code(void) {
|
|
mp_raw_code_t *rc = m_new0(mp_raw_code_t, 1);
|
|
rc->kind = MP_CODE_RESERVED;
|
|
#if MICROPY_PY_SYS_SETTRACE
|
|
rc->line_of_definition = 0;
|
|
#endif
|
|
return rc;
|
|
}
|
|
|
|
void mp_emit_glue_assign_bytecode(mp_raw_code_t *rc, const byte *code,
|
|
#if MICROPY_PERSISTENT_CODE_SAVE || MICROPY_DEBUG_PRINTERS
|
|
size_t len,
|
|
#endif
|
|
const mp_uint_t *const_table,
|
|
#if MICROPY_PERSISTENT_CODE_SAVE
|
|
uint16_t n_obj, uint16_t n_raw_code,
|
|
#endif
|
|
mp_uint_t scope_flags) {
|
|
|
|
rc->kind = MP_CODE_BYTECODE;
|
|
rc->scope_flags = scope_flags;
|
|
rc->fun_data = code;
|
|
rc->const_table = const_table;
|
|
#if MICROPY_PERSISTENT_CODE_SAVE
|
|
rc->fun_data_len = len;
|
|
rc->n_obj = n_obj;
|
|
rc->n_raw_code = n_raw_code;
|
|
#endif
|
|
|
|
#if MICROPY_PY_SYS_SETTRACE
|
|
mp_bytecode_prelude_t *prelude = &rc->prelude;
|
|
mp_prof_extract_prelude(code, prelude);
|
|
#endif
|
|
|
|
#ifdef DEBUG_PRINT
|
|
#if !MICROPY_DEBUG_PRINTERS
|
|
const size_t len = 0;
|
|
#endif
|
|
DEBUG_printf("assign byte code: code=%p len=" UINT_FMT " flags=%x\n", code, len, (uint)scope_flags);
|
|
#endif
|
|
#if MICROPY_DEBUG_PRINTERS
|
|
if (mp_verbose_flag >= 2) {
|
|
mp_bytecode_print(&mp_plat_print, rc, code, len, const_table);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#if MICROPY_EMIT_MACHINE_CODE
|
|
void mp_emit_glue_assign_native(mp_raw_code_t *rc, mp_raw_code_kind_t kind, void *fun_data, mp_uint_t fun_len, const mp_uint_t *const_table,
|
|
#if MICROPY_PERSISTENT_CODE_SAVE
|
|
uint16_t prelude_offset,
|
|
uint16_t n_obj, uint16_t n_raw_code,
|
|
uint16_t n_qstr, mp_qstr_link_entry_t *qstr_link,
|
|
#endif
|
|
mp_uint_t n_pos_args, mp_uint_t scope_flags, mp_uint_t type_sig) {
|
|
|
|
assert(kind == MP_CODE_NATIVE_PY || kind == MP_CODE_NATIVE_VIPER || kind == MP_CODE_NATIVE_ASM);
|
|
|
|
rc->kind = kind;
|
|
rc->scope_flags = scope_flags;
|
|
rc->n_pos_args = n_pos_args;
|
|
rc->fun_data = fun_data;
|
|
rc->const_table = const_table;
|
|
rc->type_sig = type_sig;
|
|
|
|
#if MICROPY_PERSISTENT_CODE_SAVE
|
|
rc->fun_data_len = fun_len;
|
|
rc->prelude_offset = prelude_offset;
|
|
rc->n_obj = n_obj;
|
|
rc->n_raw_code = n_raw_code;
|
|
rc->n_qstr = n_qstr;
|
|
rc->qstr_link = qstr_link;
|
|
#endif
|
|
|
|
#ifdef DEBUG_PRINT
|
|
DEBUG_printf("assign native: kind=%d fun=%p len=" UINT_FMT " n_pos_args=" UINT_FMT " flags=%x\n", kind, fun_data, fun_len, n_pos_args, (uint)scope_flags);
|
|
for (mp_uint_t i = 0; i < fun_len; i++) {
|
|
if (i > 0 && i % 16 == 0) {
|
|
DEBUG_printf("\n");
|
|
}
|
|
DEBUG_printf(" %02x", ((byte *)fun_data)[i]);
|
|
}
|
|
DEBUG_printf("\n");
|
|
|
|
#ifdef WRITE_CODE
|
|
FILE *fp_write_code = fopen("out-code", "wb");
|
|
fwrite(fun_data, fun_len, 1, fp_write_code);
|
|
fclose(fp_write_code);
|
|
#endif
|
|
#else
|
|
(void)fun_len;
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
mp_obj_t mp_make_function_from_raw_code(const mp_raw_code_t *rc, mp_obj_t def_args, mp_obj_t def_kw_args) {
|
|
DEBUG_OP_printf("make_function_from_raw_code %p\n", rc);
|
|
assert(rc != NULL);
|
|
|
|
// def_args must be MP_OBJ_NULL or a tuple
|
|
assert(def_args == MP_OBJ_NULL || mp_obj_is_type(def_args, &mp_type_tuple));
|
|
|
|
// def_kw_args must be MP_OBJ_NULL or a dict
|
|
assert(def_kw_args == MP_OBJ_NULL || mp_obj_is_type(def_kw_args, &mp_type_dict));
|
|
|
|
// make the function, depending on the raw code kind
|
|
mp_obj_t fun;
|
|
switch (rc->kind) {
|
|
#if MICROPY_EMIT_NATIVE
|
|
case MP_CODE_NATIVE_PY:
|
|
case MP_CODE_NATIVE_VIPER:
|
|
fun = mp_obj_new_fun_native(def_args, def_kw_args, rc->fun_data, rc->const_table);
|
|
// Check for a generator function, and if so change the type of the object
|
|
if ((rc->scope_flags & MP_SCOPE_FLAG_GENERATOR) != 0) {
|
|
((mp_obj_base_t *)MP_OBJ_TO_PTR(fun))->type = &mp_type_native_gen_wrap;
|
|
}
|
|
break;
|
|
#endif
|
|
#if MICROPY_EMIT_INLINE_ASM
|
|
case MP_CODE_NATIVE_ASM:
|
|
fun = mp_obj_new_fun_asm(rc->n_pos_args, rc->fun_data, rc->type_sig);
|
|
break;
|
|
#endif
|
|
default:
|
|
// rc->kind should always be set and BYTECODE is the only remaining case
|
|
assert(rc->kind == MP_CODE_BYTECODE);
|
|
fun = mp_obj_new_fun_bc(def_args, def_kw_args, rc->fun_data, rc->const_table);
|
|
// check for generator functions and if so change the type of the object
|
|
if ((rc->scope_flags & MP_SCOPE_FLAG_GENERATOR) != 0) {
|
|
((mp_obj_base_t *)MP_OBJ_TO_PTR(fun))->type = &mp_type_gen_wrap;
|
|
}
|
|
|
|
#if MICROPY_PY_SYS_SETTRACE
|
|
mp_obj_fun_bc_t *self_fun = (mp_obj_fun_bc_t *)MP_OBJ_TO_PTR(fun);
|
|
self_fun->rc = rc;
|
|
#endif
|
|
|
|
break;
|
|
}
|
|
|
|
return fun;
|
|
}
|
|
|
|
mp_obj_t mp_make_closure_from_raw_code(const mp_raw_code_t *rc, mp_uint_t n_closed_over, const mp_obj_t *args) {
|
|
DEBUG_OP_printf("make_closure_from_raw_code %p " UINT_FMT " %p\n", rc, n_closed_over, args);
|
|
// make function object
|
|
mp_obj_t ffun;
|
|
if (n_closed_over & 0x100) {
|
|
// default positional and keyword args given
|
|
ffun = mp_make_function_from_raw_code(rc, args[0], args[1]);
|
|
} else {
|
|
// default positional and keyword args not given
|
|
ffun = mp_make_function_from_raw_code(rc, MP_OBJ_NULL, MP_OBJ_NULL);
|
|
}
|
|
// wrap function in closure object
|
|
return mp_obj_new_closure(ffun, n_closed_over & 0xff, args + ((n_closed_over >> 7) & 2));
|
|
}
|
|
|