blif-parser 0.1.7

Rust parser for BLIF files
Documentation 
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

use indexmap::IndexMap;
use serde::{Deserialize, Serialize};
use std::fmt::Debug;
use strum_macros::EnumCount as EnumCountMacro;

#[derive(Debug, Clone, Default, PartialEq, Serialize, EnumCountMacro)]
#[repr(u32)]
pub enum ParsedPrimitive {
    #[default]
    NOP = 0,
    Input  { name: String },
    Output { name: String },
    Lut    { inputs: Vec<String>, output: String, table: Vec<Vec<u8>> },
    Gate   { c: String, d: String, q: String, r: Option<String>, e: Option<String> },
    Latch  { input: String, output: String, control: String, init: LatchInit },
    Subckt { name: String, conns: IndexMap<String, String> },
    Module { name: String, inputs: Vec<String>, outputs: Vec<String>, elems: Vec<ParsedPrimitive> },
}

#[repr(u8)]
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub enum LatchInit {
    /// Defined in Yosys spec
    ZER0 = 0,
    ONE = 1,
    DONTCARE = 2,
    UNKNOWN = 3,
}

impl LatchInit {
    pub fn to_enum(i: &str) -> LatchInit {
        match i {
            "0" => LatchInit::ZER0,
            "1" => LatchInit::ONE,
            "2" => LatchInit::DONTCARE,
            _ => LatchInit::UNKNOWN,
        }
    }
}