emitglue.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_EMITGLUE_H
#define MICROPY_INCLUDED_PY_EMITGLUE_H
#include "py/obj.h"
// These variables and functions glue the code emitters to the runtime.
typedef enum {
MP_CODE_UNUSED,
MP_CODE_RESERVED,
MP_CODE_BYTECODE,
MP_CODE_NATIVE_PY,
MP_CODE_NATIVE_VIPER,
MP_CODE_NATIVE_ASM,
} mp_raw_code_kind_t;
typedef struct _mp_raw_code_t {
mp_uint_t kind : 3; // of type mp_raw_code_kind_t
mp_uint_t scope_flags : 7;
mp_uint_t n_pos_args : 11;
union {
struct {
const byte *bytecode;
const mp_uint_t *const_table;
#if MICROPY_PERSISTENT_CODE_SAVE
mp_uint_t bc_len;
uint16_t n_obj;
uint16_t n_raw_code;
#endif
} u_byte;
struct {
void *fun_data;
const mp_uint_t *const_table;
mp_uint_t type_sig; // for viper, compressed as 2-bit types; ret is MSB, then arg0, arg1, etc
} u_native;
} data;
} mp_raw_code_t;
mp_raw_code_t *mp_emit_glue_new_raw_code(void);
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);
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, mp_uint_t n_pos_args, mp_uint_t scope_flags, mp_uint_t type_sig);
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);
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);
#endif // MICROPY_INCLUDED_PY_EMITGLUE_H