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|
//! Benchmark operations like highlighting or goto definition.
use std::{env, path::PathBuf, str::FromStr, sync::Arc, time::Instant};
use anyhow::{bail, format_err, Result};
use hir::PrefixKind;
use ide::{
Analysis, AnalysisHost, Change, CompletionConfig, DiagnosticsConfig, FilePosition, LineCol,
};
use ide_db::{
base_db::{
salsa::{Database, Durability},
FileId,
},
helpers::{insert_use::InsertUseConfig, SnippetCap},
};
use vfs::AbsPathBuf;
use crate::cli::{
load_cargo::{load_cargo, LoadCargoConfig},
print_memory_usage, Verbosity,
};
pub struct BenchCmd {
pub path: PathBuf,
pub what: BenchWhat,
pub memory_usage: bool,
pub load_output_dirs: bool,
pub with_proc_macro: bool,
}
pub enum BenchWhat {
Highlight { path: AbsPathBuf },
Complete(Position),
GotoDef(Position),
}
pub struct Position {
pub path: AbsPathBuf,
pub line: u32,
pub column: u32,
}
impl FromStr for Position {
type Err = anyhow::Error;
fn from_str(s: &str) -> Result<Self> {
let mut split = s.rsplitn(3, ':');
match (split.next(), split.next(), split.next()) {
(Some(column), Some(line), Some(path)) => {
let path = env::current_dir().unwrap().join(path);
let path = AbsPathBuf::assert(path);
Ok(Position { path, line: line.parse()?, column: column.parse()? })
}
_ => bail!("position should be in file:line:column format: {:?}", s),
}
}
}
impl BenchCmd {
pub fn run(self, verbosity: Verbosity) -> Result<()> {
profile::init();
let start = Instant::now();
eprint!("loading: ");
let load_cargo_config = LoadCargoConfig {
cargo_config: Default::default(),
load_out_dirs_from_check: self.load_output_dirs,
with_proc_macro: self.with_proc_macro,
};
let (mut host, vfs) = load_cargo(&self.path, &load_cargo_config)?;
eprintln!("{:?}\n", start.elapsed());
let file_id = {
let path = match &self.what {
BenchWhat::Highlight { path } => path,
BenchWhat::Complete(pos) | BenchWhat::GotoDef(pos) => &pos.path,
};
let path = path.clone().into();
vfs.file_id(&path).ok_or_else(|| format_err!("Can't find {}", path))?
};
match &self.what {
BenchWhat::Highlight { .. } => {
let res = do_work(&mut host, file_id, |analysis| {
analysis.diagnostics(&DiagnosticsConfig::default(), file_id).unwrap();
analysis.highlight_as_html(file_id, false).unwrap()
});
if verbosity.is_verbose() {
println!("\n{}", res);
}
}
BenchWhat::Complete(pos) | BenchWhat::GotoDef(pos) => {
let is_completion = matches!(self.what, BenchWhat::Complete(..));
let offset = host
.analysis()
.file_line_index(file_id)?
.offset(LineCol { line: pos.line - 1, col: pos.column });
let file_position = FilePosition { file_id, offset };
if is_completion {
let options = CompletionConfig {
enable_postfix_completions: true,
enable_imports_on_the_fly: true,
add_call_parenthesis: true,
add_call_argument_snippets: true,
snippet_cap: SnippetCap::new(true),
insert_use: InsertUseConfig { merge: None, prefix_kind: PrefixKind::Plain },
};
let res = do_work(&mut host, file_id, |analysis| {
analysis.completions(&options, file_position)
});
if verbosity.is_verbose() {
println!("\n{:#?}", res);
}
} else {
let res = do_work(&mut host, file_id, |analysis| {
analysis.goto_definition(file_position)
});
if verbosity.is_verbose() {
println!("\n{:#?}", res);
}
}
}
}
if self.memory_usage {
print_memory_usage(host, vfs);
}
Ok(())
}
}
fn do_work<F: Fn(&Analysis) -> T, T>(host: &mut AnalysisHost, file_id: FileId, 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_mut().salsa_runtime_mut().synthetic_write(Durability::LOW);
work(&host.analysis());
eprintln!("{:?}", start.elapsed());
}
{
let start = Instant::now();
eprint!("comment change: ");
{
let mut text = host.analysis().file_text(file_id).unwrap().to_string();
text.push_str("\n/* Hello world */\n");
let mut change = Change::new();
change.change_file(file_id, Some(Arc::new(text)));
host.apply_change(change);
}
work(&host.analysis());
eprintln!("{:?}", start.elapsed());
}
{
let start = Instant::now();
eprint!("item change: ");
{
let mut text = host.analysis().file_text(file_id).unwrap().to_string();
text.push_str("\npub fn _dummy() {}\n");
let mut change = Change::new();
change.change_file(file_id, Some(Arc::new(text)));
host.apply_change(change);
}
work(&host.analysis());
eprintln!("{:?}", start.elapsed());
}
{
let start = Instant::now();
eprint!("const change: ");
host.raw_database_mut().salsa_runtime_mut().synthetic_write(Durability::HIGH);
let res = work(&host.analysis());
eprintln!("{:?}", start.elapsed());
res
}
}
|
