2014-05-03 18:27:38 -04:00
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/*
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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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2015-01-01 15:27:54 -05:00
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#ifndef __MICROPY_INCLUDED_PY_EMIT_H__
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#define __MICROPY_INCLUDED_PY_EMIT_H__
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#include "py/lexer.h"
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#include "py/scope.h"
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#include "py/runtime0.h"
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2013-10-04 14:53:11 -04:00
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/* Notes on passes:
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* We don't know exactly the opcodes in pass 1 because they depend on the
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* closing over of variables (LOAD_CLOSURE, BUILD_TUPLE, MAKE_CLOSURE), which
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* depends on determining the scope of variables in each function, and this
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* is not known until the end of pass 1.
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* As a consequence, we don't know the maximum stack size until the end of pass 2.
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* This is problematic for some emitters (x64) since they need to know the maximum
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2014-01-06 10:49:21 -05:00
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* stack size to compile the entry to the function, and this affects code size.
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2013-10-04 14:53:11 -04:00
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*/
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typedef enum {
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2014-05-07 12:24:22 -04:00
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MP_PASS_SCOPE = 1, // work out id's and their kind, and number of labels
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MP_PASS_STACK_SIZE = 2, // work out maximum stack size
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MP_PASS_CODE_SIZE = 3, // work out code size and label offsets
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MP_PASS_EMIT = 4, // emit code
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2013-10-04 14:53:11 -04:00
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} pass_kind_t;
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2014-04-09 07:43:17 -04:00
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#define MP_EMIT_STAR_FLAG_SINGLE (0x01)
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#define MP_EMIT_STAR_FLAG_DOUBLE (0x02)
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2014-05-30 10:20:41 -04:00
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#define MP_EMIT_BREAK_FROM_FOR (0x8000)
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2014-08-15 11:45:41 -04:00
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#define MP_EMIT_NATIVE_TYPE_ENABLE (0)
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#define MP_EMIT_NATIVE_TYPE_RETURN (1)
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#define MP_EMIT_NATIVE_TYPE_ARG (2)
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2013-10-05 07:19:06 -04:00
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typedef struct _emit_t emit_t;
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typedef struct _emit_method_table_t {
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2014-08-15 11:45:41 -04:00
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void (*set_native_type)(emit_t *emit, mp_uint_t op, mp_uint_t arg1, qstr arg2);
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2013-10-05 07:19:06 -04:00
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void (*start_pass)(emit_t *emit, pass_kind_t pass, scope_t *scope);
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void (*end_pass)(emit_t *emit);
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bool (*last_emit_was_return_value)(emit_t *emit);
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2014-09-08 18:05:16 -04:00
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void (*adjust_stack_size)(emit_t *emit, mp_int_t delta);
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void (*set_line_number)(emit_t *emit, mp_uint_t line);
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2013-10-05 07:19:06 -04:00
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2014-09-08 18:05:16 -04:00
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void (*load_id)(emit_t *emit, qstr qst);
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void (*store_id)(emit_t *emit, qstr qst);
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void (*delete_id)(emit_t *emit, qstr qst);
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2013-10-05 09:17:09 -04:00
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2014-09-08 18:05:16 -04:00
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void (*label_assign)(emit_t *emit, mp_uint_t l);
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void (*import_name)(emit_t *emit, qstr qst);
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void (*import_from)(emit_t *emit, qstr qst);
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2013-10-05 07:19:06 -04:00
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void (*import_star)(emit_t *emit);
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2013-12-21 13:17:45 -05:00
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void (*load_const_tok)(emit_t *emit, mp_token_kind_t tok);
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2014-07-03 08:25:24 -04:00
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void (*load_const_small_int)(emit_t *emit, mp_int_t arg);
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2014-09-08 18:05:16 -04:00
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void (*load_const_int)(emit_t *emit, qstr qst);
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void (*load_const_dec)(emit_t *emit, qstr qst);
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void (*load_const_str)(emit_t *emit, qstr qst, bool bytes);
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2015-01-13 10:55:54 -05:00
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void (*load_const_obj)(emit_t *emit, void *obj);
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2014-04-20 12:50:40 -04:00
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void (*load_null)(emit_t *emit);
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2015-01-16 07:24:49 -05:00
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void (*load_fast)(emit_t *emit, qstr qst, mp_uint_t local_num);
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2014-09-08 18:05:16 -04:00
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void (*load_deref)(emit_t *emit, qstr qst, mp_uint_t local_num);
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void (*load_name)(emit_t *emit, qstr qst);
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void (*load_global)(emit_t *emit, qstr qst);
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void (*load_attr)(emit_t *emit, qstr qst);
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void (*load_method)(emit_t *emit, qstr qst);
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2013-10-05 07:19:06 -04:00
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void (*load_build_class)(emit_t *emit);
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2014-04-17 17:10:53 -04:00
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void (*load_subscr)(emit_t *emit);
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2014-09-08 18:05:16 -04:00
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void (*store_fast)(emit_t *emit, qstr qst, mp_uint_t local_num);
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void (*store_deref)(emit_t *emit, qstr qst, mp_uint_t local_num);
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void (*store_name)(emit_t *emit, qstr qst);
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void (*store_global)(emit_t *emit, qstr qst);
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void (*store_attr)(emit_t *emit, qstr qst);
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2013-10-05 07:19:06 -04:00
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void (*store_subscr)(emit_t *emit);
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2014-09-08 18:05:16 -04:00
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void (*delete_fast)(emit_t *emit, qstr qst, mp_uint_t local_num);
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void (*delete_deref)(emit_t *emit, qstr qst, mp_uint_t local_num);
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void (*delete_name)(emit_t *emit, qstr qst);
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void (*delete_global)(emit_t *emit, qstr qst);
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void (*delete_attr)(emit_t *emit, qstr qst);
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2013-10-05 07:19:06 -04:00
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void (*delete_subscr)(emit_t *emit);
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void (*dup_top)(emit_t *emit);
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void (*dup_top_two)(emit_t *emit);
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void (*pop_top)(emit_t *emit);
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void (*rot_two)(emit_t *emit);
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void (*rot_three)(emit_t *emit);
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2014-09-08 18:05:16 -04:00
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void (*jump)(emit_t *emit, mp_uint_t label);
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void (*pop_jump_if_true)(emit_t *emit, mp_uint_t label);
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void (*pop_jump_if_false)(emit_t *emit, mp_uint_t label);
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void (*jump_if_true_or_pop)(emit_t *emit, mp_uint_t label);
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void (*jump_if_false_or_pop)(emit_t *emit, mp_uint_t label);
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void (*break_loop)(emit_t *emit, mp_uint_t label, mp_uint_t except_depth);
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void (*continue_loop)(emit_t *emit, mp_uint_t label, mp_uint_t except_depth);
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void (*setup_with)(emit_t *emit, mp_uint_t label);
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2013-10-05 07:19:06 -04:00
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void (*with_cleanup)(emit_t *emit);
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2014-09-08 18:05:16 -04:00
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void (*setup_except)(emit_t *emit, mp_uint_t label);
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void (*setup_finally)(emit_t *emit, mp_uint_t label);
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2013-10-05 07:19:06 -04:00
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void (*end_finally)(emit_t *emit);
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2014-03-27 19:26:35 -04:00
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void (*get_iter)(emit_t *emit);
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2014-09-08 18:05:16 -04:00
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void (*for_iter)(emit_t *emit, mp_uint_t label);
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2013-10-05 07:19:06 -04:00
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void (*for_iter_end)(emit_t *emit);
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void (*pop_block)(emit_t *emit);
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void (*pop_except)(emit_t *emit);
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2014-03-30 08:35:08 -04:00
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void (*unary_op)(emit_t *emit, mp_unary_op_t op);
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void (*binary_op)(emit_t *emit, mp_binary_op_t op);
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2014-09-08 18:05:16 -04:00
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void (*build_tuple)(emit_t *emit, mp_uint_t n_args);
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void (*build_list)(emit_t *emit, mp_uint_t n_args);
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void (*list_append)(emit_t *emit, mp_uint_t list_stack_index);
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void (*build_map)(emit_t *emit, mp_uint_t n_args);
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2013-10-05 07:19:06 -04:00
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void (*store_map)(emit_t *emit);
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2014-09-08 18:05:16 -04:00
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void (*map_add)(emit_t *emit, mp_uint_t map_stack_index);
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2014-12-27 12:07:16 -05:00
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#if MICROPY_PY_BUILTINS_SET
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2014-09-08 18:05:16 -04:00
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void (*build_set)(emit_t *emit, mp_uint_t n_args);
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void (*set_add)(emit_t *emit, mp_uint_t set_stack_index);
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2014-12-27 12:07:16 -05:00
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#endif
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2014-12-27 12:20:41 -05:00
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#if MICROPY_PY_BUILTINS_SLICE
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2014-09-08 18:05:16 -04:00
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void (*build_slice)(emit_t *emit, mp_uint_t n_args);
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2014-12-27 12:20:41 -05:00
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#endif
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2014-09-08 18:05:16 -04:00
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void (*unpack_sequence)(emit_t *emit, mp_uint_t n_args);
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void (*unpack_ex)(emit_t *emit, mp_uint_t n_left, mp_uint_t n_right);
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void (*make_function)(emit_t *emit, scope_t *scope, mp_uint_t n_pos_defaults, mp_uint_t n_kw_defaults);
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void (*make_closure)(emit_t *emit, scope_t *scope, mp_uint_t n_closed_over, mp_uint_t n_pos_defaults, mp_uint_t n_kw_defaults);
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void (*call_function)(emit_t *emit, mp_uint_t n_positional, mp_uint_t n_keyword, mp_uint_t star_flags);
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void (*call_method)(emit_t *emit, mp_uint_t n_positional, mp_uint_t n_keyword, mp_uint_t star_flags);
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2013-10-05 07:19:06 -04:00
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void (*return_value)(emit_t *emit);
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2014-09-08 18:05:16 -04:00
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void (*raise_varargs)(emit_t *emit, mp_uint_t n_args);
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2013-10-05 07:19:06 -04:00
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void (*yield_value)(emit_t *emit);
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void (*yield_from)(emit_t *emit);
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2014-04-20 13:02:27 -04:00
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2014-06-30 00:17:25 -04:00
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// these methods are used to control entry to/exit from an exception handler
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// they may or may not emit code
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void (*start_except_handler)(emit_t *emit);
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void (*end_except_handler)(emit_t *emit);
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2014-04-20 13:02:27 -04:00
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#if MICROPY_EMIT_CPYTHON
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// these methods are only needed for emitcpy
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2015-01-28 18:43:01 -05:00
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void (*load_const_verbatim_strn)(emit_t *emit, const char *str, mp_uint_t len);
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2014-09-08 18:05:16 -04:00
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void (*load_closure)(emit_t *emit, qstr qst, mp_uint_t local_num);
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void (*setup_loop)(emit_t *emit, mp_uint_t label);
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2014-04-20 13:02:27 -04:00
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#endif
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2013-10-05 07:19:06 -04:00
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} emit_method_table_t;
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2014-09-08 18:05:16 -04:00
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void emit_common_load_id(emit_t *emit, const emit_method_table_t *emit_method_table, scope_t *scope, qstr qst);
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void emit_common_store_id(emit_t *emit, const emit_method_table_t *emit_method_table, scope_t *scope, qstr qst);
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void emit_common_delete_id(emit_t *emit, const emit_method_table_t *emit_method_table, scope_t *scope, qstr qst);
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2013-10-05 08:37:10 -04:00
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2013-10-05 13:08:26 -04:00
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extern const emit_method_table_t emit_pass1_method_table;
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extern const emit_method_table_t emit_cpython_method_table;
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extern const emit_method_table_t emit_bc_method_table;
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2013-10-08 04:05:10 -04:00
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extern const emit_method_table_t emit_native_x64_method_table;
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2014-09-06 18:06:36 -04:00
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extern const emit_method_table_t emit_native_x86_method_table;
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2013-10-08 04:05:10 -04:00
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extern const emit_method_table_t emit_native_thumb_method_table;
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2014-08-16 16:55:53 -04:00
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extern const emit_method_table_t emit_native_arm_method_table;
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2013-10-05 13:08:26 -04:00
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2014-02-04 19:51:47 -05:00
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emit_t *emit_pass1_new(void);
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2014-09-08 18:05:16 -04:00
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emit_t *emit_cpython_new(mp_uint_t max_num_labels);
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emit_t *emit_bc_new(mp_uint_t max_num_labels);
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emit_t *emit_native_x64_new(mp_uint_t max_num_labels);
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emit_t *emit_native_x86_new(mp_uint_t max_num_labels);
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emit_t *emit_native_thumb_new(mp_uint_t max_num_labels);
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emit_t *emit_native_arm_new(mp_uint_t max_num_labels);
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2013-10-05 18:17:28 -04:00
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2014-01-24 17:42:28 -05:00
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void emit_pass1_free(emit_t *emit);
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void emit_bc_free(emit_t *emit);
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void emit_native_x64_free(emit_t *emit);
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2014-09-06 18:06:36 -04:00
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void emit_native_x86_free(emit_t *emit);
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2014-01-24 17:42:28 -05:00
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void emit_native_thumb_free(emit_t *emit);
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2014-08-16 16:55:53 -04:00
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void emit_native_arm_free(emit_t *emit);
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2014-01-24 17:42:28 -05:00
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2013-10-05 18:17:28 -04:00
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typedef struct _emit_inline_asm_t emit_inline_asm_t;
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typedef struct _emit_inline_asm_method_table_t {
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void (*start_pass)(emit_inline_asm_t *emit, pass_kind_t pass, scope_t *scope);
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2014-04-12 12:54:52 -04:00
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bool (*end_pass)(emit_inline_asm_t *emit);
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2014-09-08 18:05:16 -04:00
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mp_uint_t (*count_params)(emit_inline_asm_t *emit, mp_uint_t n_params, mp_parse_node_t *pn_params);
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void (*label)(emit_inline_asm_t *emit, mp_uint_t label_num, qstr label_id);
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void (*align)(emit_inline_asm_t *emit, mp_uint_t align);
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void (*data)(emit_inline_asm_t *emit, mp_uint_t bytesize, mp_uint_t val);
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void (*op)(emit_inline_asm_t *emit, qstr op, mp_uint_t n_args, mp_parse_node_t *pn_args);
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2013-10-05 18:17:28 -04:00
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} emit_inline_asm_method_table_t;
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extern const emit_inline_asm_method_table_t emit_inline_thumb_method_table;
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2014-09-08 18:05:16 -04:00
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emit_inline_asm_t *emit_inline_thumb_new(mp_uint_t max_num_labels);
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2014-01-24 17:42:28 -05:00
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void emit_inline_thumb_free(emit_inline_asm_t *emit);
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2014-12-25 16:29:19 -05:00
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2015-01-01 02:29:28 -05:00
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#if MICROPY_WARNINGS
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void mp_emitter_warning(pass_kind_t pass, const char *msg);
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#else
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#define mp_emitter_warning(pass, msg)
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#endif
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2014-12-25 16:29:19 -05:00
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#endif // __MICROPY_INCLUDED_PY_EMIT_H__
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