1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141

// Copyright (C) 2019-2020 Aleo Systems Inc.
// This file is part of the Leo library.

// The Leo library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// The Leo library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with the Leo library. If not, see <https://www.gnu.org/licenses/>.

use leo_gadgets::signed_integer::*;

use snarkos_models::gadgets::utilities::{
    boolean::Boolean,
    uint::{UInt128, UInt16, UInt32, UInt64, UInt8},
};
use std::fmt::Debug;

pub trait IntegerTrait: Sized + Clone + Debug {
    fn get_value(&self) -> Option<String>;

    fn get_bits(&self) -> Vec<Boolean>;
}

macro_rules! integer_trait_impl {
    ($($gadget: ident)*) => ($(
        impl IntegerTrait for $gadget {
            fn get_value(&self) -> Option<String> {
                self.value.map(|num| num.to_string())
            }

            fn get_bits(&self) -> Vec<Boolean> {
                self.bits.clone()
            }
        }

    )*)
}

integer_trait_impl!(UInt8 UInt16 UInt32 UInt64 UInt128 Int8 Int16 Int32 Int64 Int128);

/// Useful macros to avoid duplicating `match` constructions.
#[macro_export]
macro_rules! match_integer {
    ($integer: ident => $expression: expr) => {
        match $integer {
            Integer::U8($integer) => $expression,
            Integer::U16($integer) => $expression,
            Integer::U32($integer) => $expression,
            Integer::U64($integer) => $expression,
            Integer::U128($integer) => $expression,

            Integer::I8($integer) => $expression,
            Integer::I16($integer) => $expression,
            Integer::I32($integer) => $expression,
            Integer::I64($integer) => $expression,
            Integer::I128($integer) => $expression,
        }
    };
}

#[macro_export]
macro_rules! match_signed_integer {
    ($integer: ident, $span: ident => $expression: expr) => {
        match $integer {
            Integer::I8($integer) => Some(Integer::I8($expression.map_err(|e| IntegerError::signed(e, $span))?)),
            Integer::I16($integer) => Some(Integer::I16($expression.map_err(|e| IntegerError::signed(e, $span))?)),
            Integer::I32($integer) => Some(Integer::I32($expression.map_err(|e| IntegerError::signed(e, $span))?)),
            Integer::I64($integer) => Some(Integer::I64($expression.map_err(|e| IntegerError::signed(e, $span))?)),
            Integer::I128($integer) => Some(Integer::I128($expression.map_err(|e| IntegerError::signed(e, $span))?)),

            _ => None,
        }
    };
}

#[macro_export]
macro_rules! match_integers {
    (($a: ident, $b: ident) => $expression:expr) => {
        match ($a, $b) {
            (Integer::U8($a), Integer::U8($b)) => Some($expression?),
            (Integer::U16($a), Integer::U16($b)) => Some($expression?),
            (Integer::U32($a), Integer::U32($b)) => Some($expression?),
            (Integer::U64($a), Integer::U64($b)) => Some($expression?),
            (Integer::U128($a), Integer::U128($b)) => Some($expression?),

            (Integer::I8($a), Integer::I8($b)) => Some($expression?),
            (Integer::I16($a), Integer::I16($b)) => Some($expression?),
            (Integer::I32($a), Integer::I32($b)) => Some($expression?),
            (Integer::I64($a), Integer::I64($b)) => Some($expression?),
            (Integer::I128($a), Integer::I128($b)) => Some($expression?),
            (_, _) => None,
        }
    };
}

#[macro_export]
macro_rules! match_integers_span {
    (($a: ident, $b: ident), $span: ident => $expression:expr) => {
        match ($a, $b) {
            (Integer::U8($a), Integer::U8($b)) => {
                Some(Integer::U8($expression.map_err(|e| IntegerError::synthesis(e, $span))?))
            }
            (Integer::U16($a), Integer::U16($b)) => Some(Integer::U16(
                $expression.map_err(|e| IntegerError::synthesis(e, $span))?,
            )),
            (Integer::U32($a), Integer::U32($b)) => Some(Integer::U32(
                $expression.map_err(|e| IntegerError::synthesis(e, $span))?,
            )),
            (Integer::U64($a), Integer::U64($b)) => Some(Integer::U64(
                $expression.map_err(|e| IntegerError::synthesis(e, $span))?,
            )),
            (Integer::U128($a), Integer::U128($b)) => Some(Integer::U128(
                $expression.map_err(|e| IntegerError::synthesis(e, $span))?,
            )),

            (Integer::I8($a), Integer::I8($b)) => {
                Some(Integer::I8($expression.map_err(|e| IntegerError::signed(e, $span))?))
            }
            (Integer::I16($a), Integer::I16($b)) => {
                Some(Integer::I16($expression.map_err(|e| IntegerError::signed(e, $span))?))
            }
            (Integer::I32($a), Integer::I32($b)) => {
                Some(Integer::I32($expression.map_err(|e| IntegerError::signed(e, $span))?))
            }
            (Integer::I64($a), Integer::I64($b)) => {
                Some(Integer::I64($expression.map_err(|e| IntegerError::signed(e, $span))?))
            }
            (Integer::I128($a), Integer::I128($b)) => {
                Some(Integer::I128($expression.map_err(|e| IntegerError::signed(e, $span))?))
            }
            (_, _) => None,
        }
    };
}