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51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/**
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* @file variable.h
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* Defines variable data structure
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*
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* Copyright (C) 2018 Clyne Sullivan
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*
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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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*
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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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*
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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 <https://www.gnu.org/licenses/>.
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*/
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#ifndef VARIABLE_H_
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#define VARIABLE_H_
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#include <stdint.h>
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/**
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* Data for a script variable.
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*/
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typedef struct {
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uint8_t tmp :1; /**< If zero, variable cannot be free'd */
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uint8_t type :3; /**< The variable's type */
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uint8_t unused :4; /**< Unused... */
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union {
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float f;
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uint32_t p;
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} value; /**< The variable's value, either float or a pointer */
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} variable;
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/**
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* Defines possible variable types.
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*/
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enum VARTYPE {
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NUMBER = 0, /**< Number/float */
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STRING, /**< String of text */
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OPERATOR, /**< Arithmetical operation */
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FUNC, /**< In-script function */
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CFUNC, /**< C function */
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};
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#endif // VARIABLE_H_
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