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
142
143
144
145
146
147
148
149
150
151
152
153
|
//! FIXME: write short doc here
use std::path::PathBuf;
use paths::{AbsPath, AbsPathBuf};
use ra_cfg::CfgOptions;
use ra_db::{CrateId, CrateName, Dependency, Edition};
use rustc_hash::FxHashSet;
use serde::{de, Deserialize};
use stdx::split_delim;
/// Roots and crates that compose this Rust project.
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct ProjectJson {
pub(crate) crates: Vec<Crate>,
}
/// A crate points to the root module of a crate and lists the dependencies of the crate. This is
/// useful in creating the crate graph.
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct Crate {
pub(crate) root_module: AbsPathBuf,
pub(crate) edition: Edition,
pub(crate) deps: Vec<Dependency>,
pub(crate) cfg: CfgOptions,
pub(crate) target: Option<String>,
pub(crate) out_dir: Option<AbsPathBuf>,
pub(crate) proc_macro_dylib_path: Option<AbsPathBuf>,
pub(crate) is_workspace_member: bool,
pub(crate) include: Vec<AbsPathBuf>,
pub(crate) exclude: Vec<AbsPathBuf>,
}
impl ProjectJson {
pub fn new(base: &AbsPath, data: ProjectJsonData) -> ProjectJson {
ProjectJson {
crates: data
.crates
.into_iter()
.map(|crate_data| {
let is_workspace_member = crate_data.is_workspace_member.unwrap_or_else(|| {
crate_data.root_module.is_relative()
&& !crate_data.root_module.starts_with("..")
|| crate_data.root_module.starts_with(base)
});
let root_module = base.join(crate_data.root_module);
let (include, exclude) = match crate_data.source {
Some(src) => {
let absolutize = |dirs: Vec<PathBuf>| {
dirs.into_iter().map(|it| base.join(it)).collect::<Vec<_>>()
};
(absolutize(src.include_dirs), absolutize(src.exclude_dirs))
}
None => (vec![root_module.parent().unwrap().to_path_buf()], Vec::new()),
};
Crate {
root_module,
edition: crate_data.edition.into(),
deps: crate_data
.deps
.into_iter()
.map(|dep_data| Dependency {
crate_id: CrateId(dep_data.krate as u32),
name: dep_data.name,
})
.collect::<Vec<_>>(),
cfg: {
let mut cfg = CfgOptions::default();
for entry in &crate_data.cfg {
match split_delim(entry, '=') {
Some((key, value)) => {
cfg.insert_key_value(key.into(), value.into());
}
None => cfg.insert_atom(entry.into()),
}
}
cfg
},
target: crate_data.target,
out_dir: crate_data.out_dir.map(|it| base.join(it)),
proc_macro_dylib_path: crate_data
.proc_macro_dylib_path
.map(|it| base.join(it)),
is_workspace_member,
include,
exclude,
}
})
.collect::<Vec<_>>(),
}
}
}
#[derive(Deserialize)]
pub struct ProjectJsonData {
crates: Vec<CrateData>,
}
#[derive(Deserialize)]
struct CrateData {
root_module: PathBuf,
edition: EditionData,
deps: Vec<DepData>,
#[serde(default)]
cfg: FxHashSet<String>,
target: Option<String>,
out_dir: Option<PathBuf>,
proc_macro_dylib_path: Option<PathBuf>,
is_workspace_member: Option<bool>,
source: Option<CrateSource>,
}
#[derive(Deserialize)]
#[serde(rename = "edition")]
enum EditionData {
#[serde(rename = "2015")]
Edition2015,
#[serde(rename = "2018")]
Edition2018,
}
impl From<EditionData> for Edition {
fn from(data: EditionData) -> Self {
match data {
EditionData::Edition2015 => Edition::Edition2015,
EditionData::Edition2018 => Edition::Edition2018,
}
}
}
#[derive(Deserialize)]
struct DepData {
/// Identifies a crate by position in the crates array.
#[serde(rename = "crate")]
krate: usize,
#[serde(deserialize_with = "deserialize_crate_name")]
name: CrateName,
}
#[derive(Deserialize)]
struct CrateSource {
include_dirs: Vec<PathBuf>,
exclude_dirs: Vec<PathBuf>,
}
fn deserialize_crate_name<'de, D>(de: D) -> Result<CrateName, D::Error>
where
D: de::Deserializer<'de>,
{
let name = String::deserialize(de)?;
CrateName::new(&name).map_err(|err| de::Error::custom(format!("invalid crate name: {:?}", err)))
}
|
