nom_kconfig/attribute/
option.rs

1use nom::{
2    branch::alt,
3    bytes::complete::tag,
4    combinator::{map, value},
5    sequence::delimited,
6    IResult, Parser,
7};
8#[cfg(feature = "deserialize")]
9use serde::Deserialize;
10#[cfg(feature = "serialize")]
11use serde::Serialize;
12
13use crate::{util::ws, KconfigInput};
14
15#[derive(Debug, Clone, PartialEq)]
16#[cfg_attr(feature = "hash", derive(Hash))]
17#[cfg_attr(feature = "serialize", derive(Serialize))]
18#[cfg_attr(feature = "deserialize", derive(Deserialize))]
19pub enum OptionValues {
20    #[cfg_attr(
21        any(feature = "serialize", feature = "deserialize"),
22        serde(rename = "defconfig_list")
23    )]
24    DefconfigList,
25    #[cfg_attr(
26        any(feature = "serialize", feature = "deserialize"),
27        serde(rename = "modules")
28    )]
29    Modules,
30    AllNoConfigY,
31    Env(String),
32}
33
34use nom::bytes::complete::take_while1;
35#[cfg(feature = "display")]
36use std::fmt::Display;
37
38#[cfg(feature = "display")]
39impl Display for OptionValues {
40    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
41        match &self {
42            OptionValues::DefconfigList => write!(f, "defconfig_list"),
43            OptionValues::Modules => write!(f, "modules"),
44            OptionValues::AllNoConfigY => write!(f, "allnoconfig_y"),
45            OptionValues::Env(s) => write!(f, r#"env="{}""#, s),
46        }
47    }
48}
49
50/// <https://kernel.org/doc/Documentation/kbuild/kconfig-language.txt>
51pub fn parse_option(input: KconfigInput) -> IResult<KconfigInput, OptionValues> {
52    map((ws(tag("option")), ws(parse_option_value)), |(_, i)| i).parse(input)
53}
54
55pub fn parse_option_value(input: KconfigInput) -> IResult<KconfigInput, OptionValues> {
56    alt((
57        value(OptionValues::DefconfigList, ws(tag("defconfig_list"))),
58        value(OptionValues::Modules, ws(tag("modules"))),
59        value(OptionValues::AllNoConfigY, ws(tag("allnoconfig_y"))),
60        map(
61            (
62                ws(tag::<&str, KconfigInput, _>("env")),
63                ws(tag("=")),
64                delimited(
65                    tag("\""),
66                    take_while1(|c: char| c.is_alphanumeric() || c == '_'),
67                    tag("\""),
68                ),
69            ),
70            |(_, _, env)| OptionValues::Env(env.to_string()),
71        ),
72    ))
73    .parse(input)
74}
nom_kconfig/attribute/option.rs

nom_kconfig/attribute/
option.rs
