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mod analysis_stats;
use std::{io::Read, error::Error};
use clap::{App, Arg, SubCommand};
use ra_ide_api::{file_structure, Analysis};
use ra_syntax::{SourceFile, TreeArc, AstNode};
use flexi_logger::Logger;
use ra_prof::profile;
type Result<T> = std::result::Result<T, Box<dyn Error + Send + Sync>>;
fn main() -> Result<()> {
Logger::with_env().start()?;
let matches = App::new("ra-cli")
.setting(clap::AppSettings::SubcommandRequiredElseHelp)
.subcommand(SubCommand::with_name("parse").arg(Arg::with_name("no-dump").long("--no-dump")))
.subcommand(SubCommand::with_name("symbols"))
.subcommand(
SubCommand::with_name("highlight")
.arg(Arg::with_name("rainbow").short("r").long("rainbow")),
)
.subcommand(
SubCommand::with_name("analysis-stats")
.arg(Arg::with_name("verbose").short("v").long("verbose"))
.arg(Arg::with_name("only").short("o").takes_value(true))
.arg(Arg::with_name("path")),
)
.get_matches();
match matches.subcommand() {
("parse", Some(matches)) => {
let _p = profile("parsing");
let file = file()?;
if !matches.is_present("no-dump") {
println!("{}", file.syntax().debug_dump());
}
std::mem::forget(file);
}
("symbols", _) => {
let file = file()?;
for s in file_structure(&file) {
println!("{:?}", s);
}
}
("highlight", Some(matches)) => {
let (analysis, file_id) = Analysis::from_single_file(read_stdin()?);
let html = analysis.highlight_as_html(file_id, matches.is_present("rainbow")).unwrap();
println!("{}", html);
}
("analysis-stats", Some(matches)) => {
let verbose = matches.is_present("verbose");
let path = matches.value_of("path").unwrap_or("");
let only = matches.value_of("only");
analysis_stats::run(verbose, path, only)?;
}
_ => unreachable!(),
}
Ok(())
}
fn file() -> Result<TreeArc<SourceFile>> {
let text = read_stdin()?;
Ok(SourceFile::parse(&text).tree)
}
fn read_stdin() -> Result<String> {
let mut buff = String::new();
std::io::stdin().read_to_string(&mut buff)?;
Ok(buff)
}
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