mirror of https://github.com/rusefi/bldc.git
82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
/*
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Copyright 2023 Joel Svensson svenssonjoel@yahoo.se
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LBM_FLAT_VALUE_H_
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#define LBM_FLAT_VALUE_H_
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#include <heap.h>
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#include <symrepr.h>
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#include <lbm_memory.h>
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typedef struct {
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uint8_t *buf;
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lbm_uint buf_size;
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lbm_uint buf_pos;
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} lbm_flat_value_t;
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// Arity
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#define S_CONS 0x1 // 2 car, cdr
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#define S_SYM_VALUE 0x2 // 1 value
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#define S_SYM_STRING 0x3
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#define S_BYTE_VALUE 0x4
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#define S_I_VALUE 0x5
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#define S_U_VALUE 0x6
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#define S_I32_VALUE 0x7
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#define S_U32_VALUE 0x8
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#define S_FLOAT_VALUE 0x9
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#define S_I64_VALUE 0xA
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#define S_U64_VALUE 0xB
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#define S_DOUBLE_VALUE 0xC
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#define S_LBM_ARRAY 0xD
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// Maximum number of recursive calls
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#define FLATTEN_VALUE_MAXIMUM_DEPTH 2000
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#define FLATTEN_VALUE_OK 0
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#define FLATTEN_VALUE_ERROR_CANNOT_BE_FLATTENED -1
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#define FLATTEN_VALUE_ERROR_BUFFER_TOO_SMALL -2
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#define FLATTEN_VALUE_ERROR_ARRAY -3
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#define FLATTEN_VALUE_ERROR_CIRCULAR -4
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#define FLATTEN_VALUE_ERROR_MAXIMUM_DEPTH -5
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#define FLATTEN_VALUE_ERROR_NOT_ENOUGH_MEMORY -6
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#define FLATTEN_VALUE_ERROR_FATAL -7
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bool lbm_start_flatten(lbm_flat_value_t *v, size_t buffer_size);
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bool lbm_finish_flatten(lbm_flat_value_t *v);
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bool f_cons(lbm_flat_value_t *v);
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bool f_sym(lbm_flat_value_t *v, lbm_uint sym);
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bool f_sym_string(lbm_flat_value_t *v, lbm_uint sym);
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bool f_i(lbm_flat_value_t *v, lbm_int i);
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bool f_u(lbm_flat_value_t *v, lbm_uint u);
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bool f_b(lbm_flat_value_t *v, uint8_t b);
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bool f_i32(lbm_flat_value_t *v, int32_t w);
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bool f_u32(lbm_flat_value_t *v, uint32_t w);
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bool f_float(lbm_flat_value_t *v, float f);
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bool f_i64(lbm_flat_value_t *v, int64_t w);
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bool f_u64(lbm_flat_value_t *v, uint64_t w);
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bool f_lbm_array(lbm_flat_value_t *v, uint32_t num_bytes, uint8_t *data);
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lbm_value flatten_value(lbm_value v);
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void lbm_set_max_flatten_depth(int depth);
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/** Unflatten a flat value stored in an lbm_memory array onto the heap
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*
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* \param v Flat value to unflatten.
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* \param res Pointer to where the result lbm_value should be stored.
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* \return True on success and false otherwise.
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*/
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bool lbm_unflatten_value(lbm_flat_value_t *v, lbm_value *res);
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#endif
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