rust/crates/rust-analyzer/src/cli.rs
2020-08-13 17:58:27 +02:00

85 lines
1.9 KiB
Rust

//! Various batch processing tasks, intended primarily for debugging.
mod load_cargo;
mod analysis_stats;
mod analysis_bench;
mod diagnostics;
mod progress_report;
mod ssr;
use std::io::Read;
use anyhow::Result;
use ide::Analysis;
use syntax::{AstNode, SourceFile};
pub use self::{
analysis_bench::{BenchCmd, BenchWhat, Position},
analysis_stats::AnalysisStatsCmd,
diagnostics::diagnostics,
load_cargo::load_cargo,
ssr::{apply_ssr_rules, search_for_patterns},
};
#[derive(Clone, Copy)]
pub enum Verbosity {
Spammy,
Verbose,
Normal,
Quiet,
}
impl Verbosity {
pub fn is_verbose(self) -> bool {
matches!(self, Verbosity::Verbose | Verbosity::Spammy)
}
pub fn is_spammy(self) -> bool {
matches!(self, Verbosity::Spammy)
}
}
pub fn parse(no_dump: bool) -> Result<()> {
let _p = profile::span("parsing");
let file = file()?;
if !no_dump {
println!("{:#?}", file.syntax());
}
std::mem::forget(file);
Ok(())
}
pub fn symbols() -> Result<()> {
let text = read_stdin()?;
let (analysis, file_id) = Analysis::from_single_file(text);
let structure = analysis.file_structure(file_id).unwrap();
for s in structure {
println!("{:?}", s);
}
Ok(())
}
pub fn highlight(rainbow: bool) -> Result<()> {
let (analysis, file_id) = Analysis::from_single_file(read_stdin()?);
let html = analysis.highlight_as_html(file_id, rainbow).unwrap();
println!("{}", html);
Ok(())
}
fn file() -> Result<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)
}
fn report_metric(metric: &str, value: u64, unit: &str) {
if std::env::var("RA_METRICS").is_err() {
return;
}
println!("METRIC:{}:{}:{}", metric, value, unit)
}