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#![allow(unused)]
use std::{ffi::OsString, path::PathBuf};
#[derive(Debug)]
pub struct RustAnalyzer {
pub verbose: u32,
pub subcommand: RustAnalyzerCmd,
}
#[derive(Debug)]
pub enum RustAnalyzerCmd {
Server(Server),
AnalysisStats(AnalysisStats),
}
#[derive(Debug)]
pub struct Server {
pub dir: Option<PathBuf>,
pub subcommand: ServerCmd,
}
#[derive(Debug)]
pub enum ServerCmd {
Launch(Launch),
Watch(Watch),
}
#[derive(Debug)]
pub struct Launch {
pub log: bool,
}
#[derive(Debug)]
pub struct Watch;
#[derive(Debug)]
pub struct AnalysisStats {
pub path: PathBuf,
pub parallel: bool,
}
impl RustAnalyzer {
pub const HELP: &'static str = Self::HELP_;
#[allow(dead_code)]
pub fn from_env() -> xflags::Result<Self> {
Self::from_env_()
}
#[allow(dead_code)]
pub fn from_vec(args: Vec<std::ffi::OsString>) -> xflags::Result<Self> {
Self::from_vec_(args)
}
}
impl RustAnalyzer {
fn from_env_() -> xflags::Result<Self> {
let mut p = xflags::rt::Parser::new_from_env();
Self::parse_(&mut p)
}
fn from_vec_(args: Vec<std::ffi::OsString>) -> xflags::Result<Self> {
let mut p = xflags::rt::Parser::new(args);
Self::parse_(&mut p)
}
}
impl RustAnalyzer {
fn parse_(p_: &mut xflags::rt::Parser) -> xflags::Result<Self> {
let mut verbose = Vec::new();
let mut sub_ = None;
while let Some(arg_) = p_.pop_flag() {
match arg_ {
Ok(flag_) => match flag_.as_str() {
"--verbose" | "-v" => verbose.push(()),
_ => return Err(p_.unexpected_flag(&flag_)),
},
Err(arg_) => {
match arg_.to_str().unwrap_or("") {
"server" => {
sub_ = Some(RustAnalyzerCmd::Server(Server::parse_(p_)?));
break;
}
"analysis-stats" => {
sub_ = Some(RustAnalyzerCmd::AnalysisStats(AnalysisStats::parse_(p_)?));
break;
}
_ => (),
}
return Err(p_.unexpected_arg(arg_));
}
}
}
Ok(Self { verbose: verbose.len() as u32, subcommand: p_.subcommand(sub_)? })
}
}
impl Server {
fn parse_(p_: &mut xflags::rt::Parser) -> xflags::Result<Self> {
let mut dir = Vec::new();
let mut sub_ = None;
while let Some(arg_) = p_.pop_flag() {
match arg_ {
Ok(flag_) => match flag_.as_str() {
"--dir" => dir.push(p_.next_value(&flag_)?.into()),
_ => {
p_.push_back(Ok(flag_));
break;
}
},
Err(arg_) => {
match arg_.to_str().unwrap_or("") {
"watch" => {
sub_ = Some(ServerCmd::Watch(Watch::parse_(p_)?));
break;
}
_ => (),
}
p_.push_back(Err(arg_));
break;
}
}
}
if sub_.is_none() {
sub_ = Some(ServerCmd::Launch(Launch::parse_(p_)?));
}
Ok(Self { dir: p_.optional("--dir", dir)?, subcommand: p_.subcommand(sub_)? })
}
}
impl Launch {
fn parse_(p_: &mut xflags::rt::Parser) -> xflags::Result<Self> {
let mut log = Vec::new();
while let Some(arg_) = p_.pop_flag() {
match arg_ {
Ok(flag_) => match flag_.as_str() {
"--log" => log.push(()),
_ => return Err(p_.unexpected_flag(&flag_)),
},
Err(arg_) => {
return Err(p_.unexpected_arg(arg_));
}
}
}
Ok(Self { log: p_.optional("--log", log)?.is_some() })
}
}
impl Watch {
fn parse_(p_: &mut xflags::rt::Parser) -> xflags::Result<Self> {
while let Some(arg_) = p_.pop_flag() {
match arg_ {
Ok(flag_) => match flag_.as_str() {
_ => return Err(p_.unexpected_flag(&flag_)),
},
Err(arg_) => {
return Err(p_.unexpected_arg(arg_));
}
}
}
Ok(Self {})
}
}
impl AnalysisStats {
fn parse_(p_: &mut xflags::rt::Parser) -> xflags::Result<Self> {
let mut parallel = Vec::new();
let mut path = (false, Vec::new());
while let Some(arg_) = p_.pop_flag() {
match arg_ {
Ok(flag_) => match flag_.as_str() {
"--parallel" => parallel.push(()),
_ => return Err(p_.unexpected_flag(&flag_)),
},
Err(arg_) => {
if let (done_ @ false, buf_) = &mut path {
buf_.push(arg_.into());
*done_ = true;
continue;
}
return Err(p_.unexpected_arg(arg_));
}
}
}
Ok(Self {
path: p_.required("path", path.1)?,
parallel: p_.optional("--parallel", parallel)?.is_some(),
})
}
}
impl RustAnalyzer {
const HELP_: &'static str = "\
rust-analyzer
OPTIONS:
-v, --verbose
SUBCOMMANDS:
rust-analyzer server
OPTIONS:
--dir <path>
--log
rust-analyzer server watch
rust-analyzer analysis-stats
ARGS:
<path>
OPTIONS:
--parallel
";
}
|
