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|
use std::{
path::{PathBuf, Path},
time::Instant,
};
use ra_db::{SourceDatabase, salsa::Database};
use ra_ide_api::{AnalysisHost, Analysis, LineCol, FilePosition};
use crate::Result;
pub(crate) enum Op {
Highlight { path: PathBuf },
Complete { path: PathBuf, line: u32, column: u32 },
}
pub(crate) fn run(verbose: bool, path: &Path, op: Op) -> Result<()> {
let start = Instant::now();
eprint!("loading: ");
let (host, roots) = ra_batch::load_cargo(path)?;
let db = host.raw_database();
eprintln!("{:?}\n", start.elapsed());
let file_id = {
let path = match &op {
Op::Highlight { path } => path,
Op::Complete { path, .. } => path,
};
let path = std::env::current_dir()?.join(path).canonicalize()?;
roots
.iter()
.find_map(|(source_root_id, project_root)| {
if project_root.is_member() {
for (rel_path, file_id) in &db.source_root(*source_root_id).files {
let abs_path = rel_path.to_path(project_root.path());
if abs_path == path {
return Some(*file_id);
}
}
}
None
})
.ok_or_else(|| format!("Can't find {:?}", path))?
};
match op {
Op::Highlight { .. } => {
let res = do_work(&host, |analysis| {
analysis.diagnostics(file_id).unwrap();
analysis.highlight_as_html(file_id, false).unwrap()
});
if verbose {
println!("\n{}", res);
}
}
Op::Complete { line, column, .. } => {
let offset = host
.analysis()
.file_line_index(file_id)
.offset(LineCol { line, col_utf16: column });
let file_postion = FilePosition { file_id, offset };
let res = do_work(&host, |analysis| analysis.completions(file_postion));
if verbose {
println!("\n{:#?}", res);
}
}
}
Ok(())
}
fn do_work<F: Fn(&Analysis) -> T, T>(host: &AnalysisHost, work: F) -> T {
{
let start = Instant::now();
eprint!("from scratch: ");
work(&host.analysis());
eprintln!("{:?}", start.elapsed());
}
{
let start = Instant::now();
eprint!("no change: ");
work(&host.analysis());
eprintln!("{:?}", start.elapsed());
}
{
let start = Instant::now();
eprint!("trivial change: ");
host.raw_database().salsa_runtime().next_revision();
let res = work(&host.analysis());
eprintln!("{:?}", start.elapsed());
res
}
}
|
