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
154
155
156
|
//! Driver for rust-analyzer.
//!
//! Based on cli flags, either spawns an LSP server, or runs a batch analysis
mod args;
use std::convert::TryFrom;
use lsp_server::Connection;
use ra_project_model::ProjectManifest;
use rust_analyzer::{
cli,
config::{Config, LinkedProject},
from_json, Result,
};
use vfs::AbsPathBuf;
use crate::args::HelpPrinted;
fn main() -> Result<()> {
setup_logging()?;
let args = match args::Args::parse()? {
Ok(it) => it,
Err(HelpPrinted) => return Ok(()),
};
match args.command {
args::Command::RunServer => run_server()?,
args::Command::ProcMacro => ra_proc_macro_srv::cli::run()?,
args::Command::Parse { no_dump } => cli::parse(no_dump)?,
args::Command::Symbols => cli::symbols()?,
args::Command::Highlight { rainbow } => cli::highlight(rainbow)?,
args::Command::Stats {
randomize,
parallel,
memory_usage,
only,
with_deps,
path,
load_output_dirs,
with_proc_macro,
} => cli::analysis_stats(
args.verbosity,
memory_usage,
path.as_ref(),
only.as_ref().map(String::as_ref),
with_deps,
randomize,
parallel,
load_output_dirs,
with_proc_macro,
)?,
args::Command::Bench { path, what, load_output_dirs, with_proc_macro } => {
cli::analysis_bench(
args.verbosity,
path.as_ref(),
what,
load_output_dirs,
with_proc_macro,
)?
}
args::Command::Diagnostics { path, load_output_dirs, with_proc_macro, all } => {
cli::diagnostics(path.as_ref(), load_output_dirs, with_proc_macro, all)?
}
args::Command::Ssr { rules } => {
cli::apply_ssr_rules(rules)?;
}
args::Command::StructuredSearch { patterns, debug_snippet } => {
cli::search_for_patterns(patterns, debug_snippet)?;
}
args::Command::Version => println!("rust-analyzer {}", env!("REV")),
}
Ok(())
}
fn setup_logging() -> Result<()> {
std::env::set_var("RUST_BACKTRACE", "short");
env_logger::try_init_from_env("RA_LOG")?;
ra_prof::init();
Ok(())
}
fn run_server() -> Result<()> {
log::info!("lifecycle: server started");
let (connection, io_threads) = Connection::stdio();
let (initialize_id, initialize_params) = connection.initialize_start()?;
let initialize_params =
from_json::<lsp_types::InitializeParams>("InitializeParams", initialize_params)?;
let server_capabilities = rust_analyzer::server_capabilities(&initialize_params.capabilities);
let initialize_result = lsp_types::InitializeResult {
capabilities: server_capabilities,
server_info: Some(lsp_types::ServerInfo {
name: String::from("rust-analyzer"),
version: Some(String::from(env!("REV"))),
}),
};
let initialize_result = serde_json::to_value(initialize_result).unwrap();
connection.initialize_finish(initialize_id, initialize_result)?;
if let Some(client_info) = initialize_params.client_info {
log::info!("Client '{}' {}", client_info.name, client_info.version.unwrap_or_default());
}
let config = {
let root_path = match initialize_params
.root_uri
.and_then(|it| it.to_file_path().ok())
.and_then(|it| AbsPathBuf::try_from(it).ok())
{
Some(it) => it,
None => {
let cwd = std::env::current_dir()?;
AbsPathBuf::assert(cwd)
}
};
let mut config = Config::new(root_path);
if let Some(value) = &initialize_params.initialization_options {
config.update(value);
}
config.update_caps(&initialize_params.capabilities);
if config.linked_projects.is_empty() {
let workspace_roots = initialize_params
.workspace_folders
.map(|workspaces| {
workspaces
.into_iter()
.filter_map(|it| it.uri.to_file_path().ok())
.filter_map(|it| AbsPathBuf::try_from(it).ok())
.collect::<Vec<_>>()
})
.filter(|workspaces| !workspaces.is_empty())
.unwrap_or_else(|| vec![config.root_path.clone()]);
config.linked_projects = ProjectManifest::discover_all(&workspace_roots)
.into_iter()
.map(LinkedProject::from)
.collect();
}
config
};
rust_analyzer::main_loop(config, connection)?;
log::info!("shutting down IO...");
io_threads.join()?;
log::info!("... IO is down");
Ok(())
}
|
