107 lines
3.9 KiB
C
107 lines
3.9 KiB
C
/*
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* This file is part of the MicroPython 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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#include "py/bc.h"
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// These variables and functions glue the code emitters to the runtime.
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// These must fit in 8 bits; see scope.h
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enum {
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MP_EMIT_OPT_NONE,
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MP_EMIT_OPT_BYTECODE,
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MP_EMIT_OPT_NATIVE_PYTHON,
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MP_EMIT_OPT_VIPER,
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MP_EMIT_OPT_ASM,
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};
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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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// compiled bytecode: instance in RAM, referenced by outer scope, usually freed after first (and only) use
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// mpy file: instance in RAM, created when .mpy file is loaded (same comments as above)
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// frozen: instance in ROM
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typedef struct _mp_raw_code_t {
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mp_uint_t kind : 3; // of type mp_raw_code_kind_t
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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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const void *fun_data;
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#if MICROPY_PERSISTENT_CODE_SAVE || MICROPY_DEBUG_PRINTERS
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size_t fun_data_len; // so mp_raw_code_save and mp_bytecode_print work
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#endif
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struct _mp_raw_code_t **children;
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#if MICROPY_PERSISTENT_CODE_SAVE
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size_t n_children;
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#if MICROPY_PY_SYS_SETTRACE
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mp_bytecode_prelude_t prelude;
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// line_of_definition is a Python source line where the raw_code was
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// created e.g. MP_BC_MAKE_FUNCTION. This is different from lineno info
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// stored in prelude, which provides line number for first statement of
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// a function. Required to properly implement "call" trace event.
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mp_uint_t line_of_definition;
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#endif
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#if MICROPY_EMIT_MACHINE_CODE
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uint16_t prelude_offset;
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#endif
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#endif
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#if MICROPY_EMIT_MACHINE_CODE
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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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#endif
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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,
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#if MICROPY_PERSISTENT_CODE_SAVE || MICROPY_DEBUG_PRINTERS
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size_t len,
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#endif
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mp_raw_code_t **children,
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#if MICROPY_PERSISTENT_CODE_SAVE
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size_t n_children,
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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,
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mp_raw_code_t **children,
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#if MICROPY_PERSISTENT_CODE_SAVE
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size_t n_children,
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uint16_t prelude_offset,
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#endif
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mp_uint_t scope_flags, mp_uint_t n_pos_args, mp_uint_t type_sig);
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mp_obj_t mp_make_function_from_raw_code(const mp_raw_code_t *rc, const mp_module_context_t *context, const mp_obj_t *def_args);
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mp_obj_t mp_make_closure_from_raw_code(const mp_raw_code_t *rc, const mp_module_context_t *context, mp_uint_t n_closed_over, const mp_obj_t *args);
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#endif // MICROPY_INCLUDED_PY_EMITGLUE_H
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