nom_kconfig/entry/
config.rs

1use nom::{
2    branch::alt,
3    bytes::complete::tag,
4    character::complete::{alphanumeric1, one_of},
5    combinator::{map, recognize},
6    multi::{many0, many1},
7    sequence::{pair, preceded},
8    IResult, Parser,
9};
10#[cfg(feature = "deserialize")]
11use serde::Deserialize;
12#[cfg(feature = "serialize")]
13use serde::Serialize;
14
15use crate::{
16    attribute::{parse_attribute, r#type::parse_type, Attribute},
17    util::ws,
18    KconfigInput,
19};
20
21/// This defines a config symbol.
22#[derive(Debug, Clone, PartialEq)]
23#[cfg_attr(feature = "hash", derive(Hash))]
24#[cfg_attr(feature = "serialize", derive(Serialize))]
25#[cfg_attr(feature = "deserialize", derive(Deserialize))]
26pub struct Config {
27    pub symbol: String,
28    pub attributes: Vec<Attribute>,
29}
30
31#[macro_export]
32macro_rules! generic_config_parser {
33    ($t:ident, $tag:expr, $fn:expr) => {{
34        use nom::branch::alt;
35        use nom::multi::many0;
36        use $crate::attribute::parse_attribute;
37
38        map(
39            pair(
40                map(pair(ws(tag($tag)), ws(parse_config_symbol)), |(_, id)| id),
41                many0(ws(alt(($fn, parse_attribute)))),
42            ),
43            |(symbol, attributes)| $t {
44                symbol: symbol.to_string(),
45                attributes,
46            },
47        )
48    }};
49}
50
51pub fn parse_config_symbol(input: KconfigInput<'_>) -> IResult<KconfigInput<'_>, &str> {
52    map(
53        recognize(ws(many1(alt((alphanumeric1, recognize(one_of("_"))))))),
54        |d: KconfigInput| d.fragment().to_owned(),
55    )
56    .parse(input)
57}
58
59pub fn parse_config(input: KconfigInput) -> IResult<KconfigInput, Config> {
60    map(
61        pair(
62            preceded(ws(tag("config")), ws(parse_config_symbol)),
63            many0(ws(alt((parse_type, parse_attribute)))),
64        ),
65        |(symbol, attributes)| Config {
66            symbol: symbol.to_string(),
67            attributes,
68        },
69    )
70    .parse(input)
71}
nom_kconfig/entry/config.rs

nom_kconfig/entry/
config.rs
