95 lines
3.4 KiB
C
95 lines
3.4 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef __MICROPY_INCLUDED_PY_EMITGLUE_H__
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#define __MICROPY_INCLUDED_PY_EMITGLUE_H__
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#include "py/obj.h"
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// These variables and functions glue the code emitters to the runtime.
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typedef enum {
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MP_CODE_UNUSED,
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MP_CODE_RESERVED,
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MP_CODE_BYTECODE,
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MP_CODE_NATIVE_PY,
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MP_CODE_NATIVE_VIPER,
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MP_CODE_NATIVE_ASM,
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} mp_raw_code_kind_t;
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typedef struct _mp_raw_code_t {
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mp_raw_code_kind_t kind : 3;
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mp_uint_t scope_flags : 7;
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mp_uint_t n_pos_args : 11;
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union {
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struct {
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const byte *bytecode;
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const mp_uint_t *const_table;
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#if MICROPY_PERSISTENT_CODE_SAVE
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mp_uint_t bc_len;
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uint16_t n_obj;
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uint16_t n_raw_code;
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#endif
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} u_byte;
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struct {
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void *fun_data;
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const mp_uint_t *const_table;
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mp_uint_t type_sig; // for viper, compressed as 2-bit types; ret is MSB, then arg0, arg1, etc
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} u_native;
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} data;
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} mp_raw_code_t;
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mp_raw_code_t *mp_emit_glue_new_raw_code(void);
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void mp_emit_glue_assign_bytecode(mp_raw_code_t *rc, const byte *code, mp_uint_t len,
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const mp_uint_t *const_table,
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#if MICROPY_PERSISTENT_CODE_SAVE
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uint16_t n_obj, uint16_t n_raw_code,
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#endif
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mp_uint_t scope_flags);
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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);
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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);
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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);
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#if MICROPY_PERSISTENT_CODE_LOAD
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typedef struct _mp_reader_t {
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void *data;
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mp_uint_t (*read_byte)(void *data);
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void (*close)(void *data);
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} mp_reader_t;
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mp_raw_code_t *mp_raw_code_load(mp_reader_t *reader);
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mp_raw_code_t *mp_raw_code_load_mem(const byte *buf, size_t len);
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mp_raw_code_t *mp_raw_code_load_file(const char *filename);
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#endif
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#if MICROPY_PERSISTENT_CODE_SAVE
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void mp_raw_code_save(mp_raw_code_t *rc, mp_print_t *print);
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void mp_raw_code_save_file(mp_raw_code_t *rc, const char *filename);
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#endif
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#endif // __MICROPY_INCLUDED_PY_EMITGLUE_H__
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