reading-dino

reading-deno.md

Deno

$ target/debug/deno tests/002_hello.ts

rust

src/main.rs

1. load env args, and set flags
2. new isolate
3. tokio init (async)
4. isolate execute denoMain(); in js/main.js
5. isolate execute_mod tests/002_hello.ts
6. isolate event loop

isolate execute

1. libdeno::deno_execute (See libdeno/api.cc)

isolate execute_mod

1. code fetch and maybe compile tests/002_hello.ts
2. code_fetch
3. compile_sync
4. spawn worker compilerMain() in js/compiler.ts 1. compiler.compile
5. mod_load_deps for loading dependencies in the loaded ts module

mod_load_deps

1. let len = libdeno::deno_mod_imports_len: the number of dependeicies
2. for in 0..len
3. libdeno::deno_mod_imports_get
4. resolve module
5. code_fetch_and_maybe_compile
6. mod_load_deps for recursively loading depedenecy tree.

isolate event loop

1. while !is_idle: !(ntasks == 0 && deadline)
2. complete_op
3. done

complete_op

1. ntasks_decrement()
2. respond
3. libdeno::deno_respond

TS

Compiler implements ts.LanguageServiceHost, ts.FormatDiagnosticsHost

1. compiler.compile
2. resolve module
3. _service: ts.LanguageService getEmitOutput tests/002_hello.ts