feat: init language service

Author: bvanjoi

Cargo.lock

@@ -99,7 +99,7 @@ fn compile(input_dir: std::path::PathBuf) {
     assert!(output.diags.is_empty());
 }
 
-#[divan::bench(args = CASES.clone().into_iter(), sample_size = 1, sample_count = 20)]
+#[divan::bench(args = CASES.clone().into_iter(), sample_size = 1, sample_count = 10)]
 fn bench_compile(bencher: divan::Bencher, case: &Case) {
     bencher.bench(|| {
         divan::black_box(compile(case.dir.clone()));

crates/compiler/benches/bench.rs

@@ -17,3 +17,5 @@ bolt_ts_span = { path = "../../helper/span" }
 bolt_ts_optimize = { path = "../optimize" }
 tower-lsp = { version = "0.20.0" }
 tokio = { version = "1.48.0", features = ["full"] }
+serde_json = { workspace = true }
+indexmap = { workspace = true }

crates/compiler/tests/api_test.rs

@@ -0,0 +1 @@
+struct ProjectService {}

crates/language_server/Cargo.toml

@@ -1,3 +1,6 @@
+mod editor_services;
+mod services;
+
 use tower_lsp::jsonrpc::Result;
 use tower_lsp::lsp_types;
 use tower_lsp::{Client, LanguageServer};

crates/language_server/src/editor_services.rs

@@ -0,0 +1 @@
+pub struct LanguageService {}

crates/language_server/src/lib.rs

@@ -1,4 +1,6 @@
-use crate::compile_single_input;
+mod utils;
+
+use self::utils::compile_single_input;
 
 #[test]
 fn white_space_trimming() {
@@ -10,10 +12,10 @@ if (true) {
 "#
     .trim_ascii();
 
-    let mut db = compile_single_input(CODE);
-    db.goto_marker("err");
-    db.edit_insert("\n");
-    db.verify_current_file_content_is(
+    let mut t = compile_single_input(CODE);
+    t.goto_marker("err");
+    t.edit_insert("\n");
+    t.verify_current_file_content_is(
         r#"
 if (true) {     
   //    
@@ -35,17 +37,17 @@ let templateTail = `/*    ${1 + 2}    /*4*/`;
 "#
     .trim_ascii();
 
-    let mut db = compile_single_input(CODE);
-    db.goto_marker("1");
-    db.edit_insert("\n");
-    db.goto_marker("2");
-    db.edit_insert("\n");
-    db.goto_marker("3");
-    db.edit_insert("\n");
-    db.goto_marker("4");
-    db.edit_insert("\n");
+    let mut t = compile_single_input(CODE);
+    t.goto_marker("1");
+    t.edit_insert("\n");
+    t.goto_marker("2");
+    t.edit_insert("\n");
+    t.goto_marker("3");
+    t.edit_insert("\n");
+    t.goto_marker("4");
+    t.edit_insert("\n");
 
-    db.verify_current_file_content_is(
+    t.verify_current_file_content_is(
         r#"
 let noSubTemplate = `/*    
 `;
@@ -70,10 +72,10 @@ bar     \
 "#
     .trim_ascii();
 
-    let mut db = compile_single_input(CODE);
-    db.goto_marker("1");
-    db.edit_insert(";");
-    db.verify_current_file_content_is(
+    let mut t = compile_single_input(CODE);
+    t.goto_marker("1");
+    t.edit_insert(";");
+    t.verify_current_file_content_is(
         r#"
 let t = "foo \
 bar     \