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denoland-deno/cli/ops/runtime.rs
2020-06-10 23:00:29 -04:00

80 lines
2.5 KiB
Rust

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
use super::dispatch_json::{JsonOp, Value};
use crate::colors;
use crate::op_error::OpError;
use crate::state::State;
use crate::version;
use crate::DenoSubcommand;
use deno_core::CoreIsolate;
use deno_core::ModuleSpecifier;
use deno_core::ZeroCopyBuf;
use std::env;
pub fn init(i: &mut CoreIsolate, s: &State) {
i.register_op("op_start", s.stateful_json_op(op_start));
i.register_op("op_main_module", s.stateful_json_op(op_main_module));
i.register_op("op_metrics", s.stateful_json_op(op_metrics));
}
fn op_start(
state: &State,
_args: Value,
_zero_copy: &mut [ZeroCopyBuf],
) -> Result<JsonOp, OpError> {
let state = state.borrow();
let gs = &state.global_state;
Ok(JsonOp::Sync(json!({
// TODO(bartlomieju): `cwd` field is not used in JS, remove?
"args": gs.flags.argv.clone(),
"cwd": &env::current_dir().unwrap(),
"debugFlag": gs.flags.log_level.map_or(false, |l| l == log::Level::Debug),
"denoVersion": version::DENO,
"noColor": !colors::use_color(),
"pid": std::process::id(),
"repl": gs.flags.subcommand == DenoSubcommand::Repl,
"target": env!("TARGET"),
"tsVersion": version::TYPESCRIPT,
"unstableFlag": gs.flags.unstable,
"v8Version": version::v8(),
"versionFlag": gs.flags.version,
})))
}
fn op_main_module(
state: &State,
_args: Value,
_zero_copy: &mut [ZeroCopyBuf],
) -> Result<JsonOp, OpError> {
let main = &state.borrow().main_module.to_string();
let main_url = ModuleSpecifier::resolve_url_or_path(&main)?;
if main_url.as_url().scheme() == "file" {
let main_path = std::env::current_dir().unwrap().join(main_url.to_string());
state.check_read_blind(&main_path, "main_module")?;
}
state.check_unstable("Deno.mainModule");
Ok(JsonOp::Sync(json!(&main)))
}
fn op_metrics(
state: &State,
_args: Value,
_zero_copy: &mut [ZeroCopyBuf],
) -> Result<JsonOp, OpError> {
let state = state.borrow();
let m = &state.metrics;
Ok(JsonOp::Sync(json!({
"opsDispatched": m.ops_dispatched,
"opsDispatchedSync": m.ops_dispatched_sync,
"opsDispatchedAsync": m.ops_dispatched_async,
"opsDispatchedAsyncUnref": m.ops_dispatched_async_unref,
"opsCompleted": m.ops_completed,
"opsCompletedSync": m.ops_completed_sync,
"opsCompletedAsync": m.ops_completed_async,
"opsCompletedAsyncUnref": m.ops_completed_async_unref,
"bytesSentControl": m.bytes_sent_control,
"bytesSentData": m.bytes_sent_data,
"bytesReceived": m.bytes_received
})))
}