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refactor(lsp): optimise static assets (#8771)

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Fixes #8158
This commit is contained in:
Kitson Kelly 2020-12-16 06:34:39 +11:00 committed by GitHub
parent 6356345365
commit 892d6cc997
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 142 additions and 98 deletions
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16
cli/lsp/handlers.rs
View File

@ -31,8 +31,11 @@ fn get_line_index(
specifier: &ModuleSpecifier,
) -> Result<Vec<u32>, AnyError> {
let line_index = if specifier.as_url().scheme() == "asset" {
if let Some(source) = tsc::get_asset(specifier.as_url().path()) {
text::index_lines(source)
let server_state = state.snapshot();
if let Some(source) =
tsc::get_asset(specifier, &mut state.ts_runtime, &server_state)?
{
text::index_lines(&source)
} else {
return Err(custom_error(
"NotFound",
@ -256,7 +259,7 @@ pub fn handle_references(
}
pub fn handle_virtual_text_document(
state: ServerStateSnapshot,
state: &mut ServerState,
params: lsp_extensions::VirtualTextDocumentParams,
) -> Result<String, AnyError> {
let specifier = utils::normalize_url(params.text_document.uri);
@ -274,8 +277,11 @@ pub fn handle_virtual_text_document(
} else {
match url.scheme() {
"asset" => {
if let Some(text) = tsc::get_asset(url.path()) {
text.to_string()
let server_state = state.snapshot();
if let Some(text) =
tsc::get_asset(&specifier, &mut state.ts_runtime, &server_state)?
{
text
} else {
error!("Missing asset: {}", specifier);
"".to_string()

6
cli/lsp/mod.rs
View File

@ -408,10 +408,10 @@ impl ServerState {
.on_sync::<lsp_types::request::HoverRequest>(handlers::handle_hover)?
.on_sync::<lsp_types::request::Completion>(handlers::handle_completion)?
.on_sync::<lsp_types::request::References>(handlers::handle_references)?
.on::<lsp_types::request::Formatting>(handlers::handle_formatting)
.on::<lsp_extensions::VirtualTextDocument>(
.on_sync::<lsp_extensions::VirtualTextDocument>(
handlers::handle_virtual_text_document,
)
)?
.on::<lsp_types::request::Formatting>(handlers::handle_formatting)
.finish();
Ok(())

4
cli/lsp/state.rs
View File

@ -192,6 +192,7 @@ impl DocumentData {
/// An immutable snapshot of the server state at a point in time.
#[derive(Debug, Clone, Default)]
pub struct ServerStateSnapshot {
pub assets: Arc<RwLock<HashMap<ModuleSpecifier, Option<String>>>>,
pub config: Config,
pub diagnostics: DiagnosticCollection,
pub doc_data: HashMap<ModuleSpecifier, DocumentData>,
@ -200,6 +201,7 @@ pub struct ServerStateSnapshot {
}
pub struct ServerState {
pub assets: Arc<RwLock<HashMap<ModuleSpecifier, Option<String>>>>,
pub config: Config,
pub diagnostics: DiagnosticCollection,
pub doc_data: HashMap<ModuleSpecifier, DocumentData>,
@ -230,6 +232,7 @@ impl ServerState {
let ts_runtime = tsc::start(false).expect("could not start tsc");
Self {
assets: Default::default(),
config,
diagnostics: Default::default(),
doc_data: Default::default(),
@ -315,6 +318,7 @@ impl ServerState {
pub fn snapshot(&self) -> ServerStateSnapshot {
ServerStateSnapshot {
assets: Arc::clone(&self.assets),
config: self.config.clone(),
diagnostics: self.diagnostics.clone(),
doc_data: self.doc_data.clone(),

196
cli/lsp/tsc.rs
View File

@ -7,6 +7,7 @@ use super::utils;
use crate::js;
use crate::media_type::MediaType;
use crate::tsc;
use crate::tsc::ResolveArgs;
use crate::tsc_config::TsConfig;
@ -27,92 +28,26 @@ use regex::Regex;
use std::borrow::Cow;
use std::collections::HashMap;
/// Provide static assets for the language server.
///
/// TODO(@kitsonk) this should be DRY'ed up with `cli/tsc.rs` and the
/// `cli/build.rs`
pub fn get_asset(asset: &str) -> Option<&'static str> {
macro_rules! inc {
($e:expr) => {
Some(include_str!(concat!("../dts/", $e)))
};
}
match asset {
// These are not included in the snapshot
"/lib.dom.d.ts" => inc!("lib.dom.d.ts"),
"/lib.dom.iterable.d.ts" => inc!("lib.dom.iterable.d.ts"),
"/lib.es6.d.ts" => inc!("lib.es6.d.ts"),
"/lib.es2016.full.d.ts" => inc!("lib.es2016.full.d.ts"),
"/lib.es2017.full.d.ts" => inc!("lib.es2017.full.d.ts"),
"/lib.es2018.full.d.ts" => inc!("lib.es2018.full.d.ts"),
"/lib.es2019.full.d.ts" => inc!("lib.es2019.full.d.ts"),
"/lib.es2020.full.d.ts" => inc!("lib.es2020.full.d.ts"),
"/lib.esnext.full.d.ts" => inc!("lib.esnext.full.d.ts"),
"/lib.scripthost.d.ts" => inc!("lib.scripthost.d.ts"),
"/lib.webworker.d.ts" => inc!("lib.webworker.d.ts"),
"/lib.webworker.importscripts.d.ts" => {
inc!("lib.webworker.importscripts.d.ts")
/// Optionally returns an internal asset, first checking for any static assets
/// in Rust, then checking any previously retrieved static assets from the
/// isolate, and then finally, the tsc isolate itself.
pub fn get_asset(
specifier: &ModuleSpecifier,
runtime: &mut JsRuntime,
server_state: &ServerStateSnapshot,
) -> Result<Option<String>, AnyError> {
let specifier_str = specifier.to_string().replace("asset:///", "");
if let Some(asset_text) = tsc::get_asset(&specifier_str) {
Ok(Some(asset_text.to_string()))
} else {
let mut assets = server_state.assets.write().unwrap();
if let Some(asset) = assets.get(specifier) {
Ok(asset.clone())
} else {
let asset = request_asset(specifier, runtime, server_state)?;
assets.insert(specifier.clone(), asset.clone());
Ok(asset)
}
"/lib.webworker.iterable.d.ts" => inc!("lib.webworker.iterable.d.ts"),
// These come from op crates
// TODO(@kitsonk) these is even hackier than the rest of this...
"/lib.deno.web.d.ts" => Some(js::DENO_WEB_LIB),
"/lib.deno.fetch.d.ts" => Some(js::DENO_FETCH_LIB),
// These are included in the snapshot for TypeScript, and could be retrieved
// from there?
"/lib.d.ts" => inc!("lib.d.ts"),
"/lib.deno.ns.d.ts" => inc!("lib.deno.ns.d.ts"),
"/lib.deno.shared_globals.d.ts" => inc!("lib.deno.shared_globals.d.ts"),
"/lib.deno.unstable.d.ts" => inc!("lib.deno.unstable.d.ts"),
"/lib.deno.window.d.ts" => inc!("lib.deno.window.d.ts"),
"/lib.deno.worker.d.ts" => inc!("lib.deno.worker.d.ts"),
"/lib.es5.d.ts" => inc!("lib.es5.d.ts"),
"/lib.es2015.collection.d.ts" => inc!("lib.es2015.collection.d.ts"),
"/lib.es2015.core.d.ts" => inc!("lib.es2015.core.d.ts"),
"/lib.es2015.d.ts" => inc!("lib.es2015.d.ts"),
"/lib.es2015.generator.d.ts" => inc!("lib.es2015.generator.d.ts"),
"/lib.es2015.iterable.d.ts" => inc!("lib.es2015.iterable.d.ts"),
"/lib.es2015.promise.d.ts" => inc!("lib.es2015.promise.d.ts"),
"/lib.es2015.proxy.d.ts" => inc!("lib.es2015.proxy.d.ts"),
"/lib.es2015.reflect.d.ts" => inc!("lib.es2015.reflect.d.ts"),
"/lib.es2015.symbol.d.ts" => inc!("lib.es2015.symbol.d.ts"),
"/lib.es2015.symbol.wellknown.d.ts" => {
inc!("lib.es2015.symbol.wellknown.d.ts")
}
"/lib.es2016.array.include.d.ts" => inc!("lib.es2016.array.include.d.ts"),
"/lib.es2016.d.ts" => inc!("lib.es2016.d.ts"),
"/lib.es2017.d.ts" => inc!("lib.es2017.d.ts"),
"/lib.es2017.intl.d.ts" => inc!("lib.es2017.intl.d.ts"),
"/lib.es2017.object.d.ts" => inc!("lib.es2017.object.d.ts"),
"/lib.es2017.sharedmemory.d.ts" => inc!("lib.es2017.sharedmemory.d.ts"),
"/lib.es2017.string.d.ts" => inc!("lib.es2017.string.d.ts"),
"/lib.es2017.typedarrays.d.ts" => inc!("lib.es2017.typedarrays.d.ts"),
"/lib.es2018.asyncgenerator.d.ts" => inc!("lib.es2018.asyncgenerator.d.ts"),
"/lib.es2018.asynciterable.d.ts" => inc!("lib.es2018.asynciterable.d.ts"),
"/lib.es2018.d.ts" => inc!("lib.es2018.d.ts"),
"/lib.es2018.intl.d.ts" => inc!("lib.es2018.intl.d.ts"),
"/lib.es2018.promise.d.ts" => inc!("lib.es2018.promise.d.ts"),
"/lib.es2018.regexp.d.ts" => inc!("lib.es2018.regexp.d.ts"),
"/lib.es2019.array.d.ts" => inc!("lib.es2019.array.d.ts"),
"/lib.es2019.d.ts" => inc!("lib.es2019.d.ts"),
"/lib.es2019.object.d.ts" => inc!("lib.es2019.object.d.ts"),
"/lib.es2019.string.d.ts" => inc!("lib.es2019.string.d.ts"),
"/lib.es2019.symbol.d.ts" => inc!("lib.es2019.symbol.d.ts"),
"/lib.es2020.bigint.d.ts" => inc!("lib.es2020.bigint.d.ts"),
"/lib.es2020.d.ts" => inc!("lib.es2020.d.ts"),
"/lib.es2020.intl.d.ts" => inc!("lib.es2020.intl.d.ts"),
"/lib.es2020.promise.d.ts" => inc!("lib.es2020.promise.d.ts"),
"/lib.es2020.sharedmemory.d.ts" => inc!("lib.es2020.sharedmemory.d.ts"),
"/lib.es2020.string.d.ts" => inc!("lib.es2020.string.d.ts"),
"/lib.es2020.symbol.wellknown.d.ts" => {
inc!("lib.es2020.symbol.wellknown.d.ts")
}
"/lib.esnext.d.ts" => inc!("lib.esnext.d.ts"),
"/lib.esnext.intl.d.ts" => inc!("lib.esnext.intl.d.ts"),
"/lib.esnext.promise.d.ts" => inc!("lib.esnext.promise.d.ts"),
"/lib.esnext.string.d.ts" => inc!("lib.esnext.string.d.ts"),
"/lib.esnext.weakref.d.ts" => inc!("lib.esnext.weakref.d.ts"),
_ => None,
}
}
@ -661,6 +596,7 @@ struct Response {
}
struct State<'a> {
asset: Option<String>,
last_id: usize,
response: Option<Response>,
server_state: ServerStateSnapshot,
@ -670,6 +606,7 @@ struct State<'a> {
impl<'a> State<'a> {
fn new(server_state: ServerStateSnapshot) -> Self {
Self {
asset: None,
last_id: 1,
response: None,
server_state,
@ -928,6 +865,18 @@ fn script_version(state: &mut State, args: Value) -> Result<Value, AnyError> {
Ok(json!(None::<String>))
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
struct SetAssetArgs {
text: Option<String>,
}
fn set_asset(state: &mut State, args: Value) -> Result<Value, AnyError> {
let v: SetAssetArgs = serde_json::from_value(args)?;
state.asset = v.text;
Ok(json!(true))
}
/// Create and setup a JsRuntime based on a snapshot. It is expected that the
/// supplied snapshot is an isolate that contains the TypeScript language
/// server.
@ -951,6 +900,7 @@ pub fn start(debug: bool) -> Result<JsRuntime, AnyError> {
runtime.register_op("op_respond", op(respond));
runtime.register_op("op_script_names", op(script_names));
runtime.register_op("op_script_version", op(script_version));
runtime.register_op("op_set_asset", op(set_asset));
let init_config = json!({ "debug": debug });
let init_src = format!("globalThis.serverInit({});", init_config);
@ -1028,6 +978,8 @@ pub struct UserPreferences {
pub enum RequestMethod {
/// Configure the compilation settings for the server.
Configure(TsConfig),
/// Retrieve the text of an assets that exists in memory in the isolate.
GetAsset(ModuleSpecifier),
/// Return semantic diagnostics for given file.
GetSemanticDiagnostics(ModuleSpecifier),
/// Returns suggestion diagnostics for given file.
@ -1054,6 +1006,11 @@ impl RequestMethod {
"method": "configure",
"compilerOptions": config,
}),
RequestMethod::GetAsset(specifier) => json!({
"id": id,
"method": "getAsset",
"specifier": specifier,
}),
RequestMethod::GetSemanticDiagnostics(specifier) => json!({
"id": id,
"method": "getSemanticDiagnostics",
@ -1144,6 +1101,30 @@ pub fn request(
}
}
fn request_asset(
specifier: &ModuleSpecifier,
runtime: &mut JsRuntime,
server_state: &ServerStateSnapshot,
) -> Result<Option<String>, AnyError> {
let id = {
let op_state = runtime.op_state();
let mut op_state = op_state.borrow_mut();
let state = op_state.borrow_mut::<State>();
state.server_state = server_state.clone();
state.last_id += 1;
state.last_id
};
let request_params = RequestMethod::GetAsset(specifier.clone()).to_value(id);
let request_src = format!("globalThis.serverRequest({});", request_params);
runtime.execute("[native_code]", &request_src)?;
let op_state = runtime.op_state();
let mut op_state = op_state.borrow_mut();
let state = op_state.borrow_mut::<State>();
Ok(state.asset.clone())
}
#[cfg(test)]
mod tests {
use super::super::memory_cache::MemoryCache;
@ -1167,6 +1148,7 @@ mod tests {
}
let file_cache = Arc::new(RwLock::new(file_cache));
ServerStateSnapshot {
assets: Default::default(),
config: Default::default(),
diagnostics: Default::default(),
doc_data,
@ -1422,9 +1404,45 @@ mod tests {
&server_state,
RequestMethod::GetSyntacticDiagnostics(specifier),
);
println!("{:?}", result);
// assert!(result.is_ok());
// let response = result.unwrap();
// assert_eq!(response, json!([]));
assert!(result.is_ok());
let response = result.unwrap();
assert_eq!(
response,
json!([{
"start": {
"line": 8,
"character": 29
},
"end": {
"line": 8,
"character": 29
},
"fileName": "file:///a.ts",
"messageText": "Expression expected.",
"sourceLine": " import * as test from",
"category": 1,
"code": 1109
}])
);
}
#[test]
fn test_request_asset() {
let (mut runtime, server_state) = setup(
false,
json!({
"target": "esnext",
"module": "esnext",
"lib": ["deno.ns", "deno.window"],
"noEmit": true,
}),
vec![],
);
let specifier = ModuleSpecifier::resolve_url("asset:///lib.esnext.d.ts")
.expect("could not resolve url");
let result = request_asset(&specifier, &mut runtime, &server_state);
assert!(result.is_ok());
let response = result.unwrap();
assert!(response.is_some());
}
}

2
cli/tsc.rs
View File

@ -26,7 +26,7 @@ use std::path::PathBuf;
use std::rc::Rc;
/// Provide static assets that are not preloaded in the compiler snapshot.
fn get_asset(asset: &str) -> Option<&'static str> {
pub fn get_asset(asset: &str) -> Option<&'static str> {
macro_rules! inc {
($e:expr) => {
Some(include_str!(concat!("dts/", $e)))

10
cli/tsc/99_main_compiler.js
View File

@ -487,6 +487,16 @@ delete Object.prototype.__proto__;
compilationSettings = options;
return respond(id, true);
}
case "getAsset": {
const sourceFile = host.getSourceFile(
request.specifier,
ts.ScriptTarget.ESNext,
);
return core.jsonOpSync(
"op_set_asset",
{ text: sourceFile && sourceFile.text },
);
}
case "getSemanticDiagnostics": {
const diagnostics = languageService.getSemanticDiagnostics(
request.specifier,

6
cli/tsc/compiler.d.ts vendored
View File

@ -42,6 +42,7 @@ declare global {
type LanguageServerRequest =
| ConfigureRequest
| GetAsset
| GetSyntacticDiagnosticsRequest
| GetSemanticDiagnosticsRequest
| GetSuggestionDiagnosticsRequest
@ -62,6 +63,11 @@ declare global {
compilerOptions: Record<string, any>;
}
interface GetAsset extends BaseLanguageServerRequest {
method: "getAsset";
specifier: string;
}
interface GetSyntacticDiagnosticsRequest extends BaseLanguageServerRequest {
method: "getSyntacticDiagnostics";
specifier: string;