mirror of
https://github.com/denoland/deno.git
synced 2024-11-26 16:09:27 -05:00
fdb4953ea4
This commit moves all Chrome Devtools Protocol messages to `cli/cdp.rs` and refactors all places using these types to pull them from a common place. No functional changes.
721 lines
21 KiB
Rust
721 lines
21 KiB
Rust
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
|
|
|
|
// This file is forked/ported from <https://github.com/evcxr/evcxr>
|
|
// Copyright 2020 The Evcxr Authors. MIT license.
|
|
|
|
use std::cell::RefCell;
|
|
use std::collections::HashMap;
|
|
use std::rc::Rc;
|
|
use std::sync::Arc;
|
|
|
|
use crate::cdp;
|
|
use crate::tools::repl;
|
|
use deno_core::error::AnyError;
|
|
use deno_core::futures;
|
|
use deno_core::serde_json;
|
|
use deno_core::serde_json::json;
|
|
use deno_core::CancelFuture;
|
|
use deno_core::CancelHandle;
|
|
use tokio::sync::mpsc;
|
|
use tokio::sync::Mutex;
|
|
use zeromq::SocketRecv;
|
|
use zeromq::SocketSend;
|
|
|
|
use super::jupyter_msg::Connection;
|
|
use super::jupyter_msg::JupyterMessage;
|
|
use super::ConnectionSpec;
|
|
|
|
pub enum StdioMsg {
|
|
Stdout(String),
|
|
Stderr(String),
|
|
}
|
|
|
|
pub struct JupyterServer {
|
|
execution_count: usize,
|
|
last_execution_request: Rc<RefCell<Option<JupyterMessage>>>,
|
|
// This is Arc<Mutex<>>, so we don't hold RefCell borrows across await
|
|
// points.
|
|
iopub_socket: Arc<Mutex<Connection<zeromq::PubSocket>>>,
|
|
repl_session: repl::ReplSession,
|
|
}
|
|
|
|
impl JupyterServer {
|
|
pub async fn start(
|
|
spec: ConnectionSpec,
|
|
mut stdio_rx: mpsc::UnboundedReceiver<StdioMsg>,
|
|
mut repl_session: repl::ReplSession,
|
|
) -> Result<(), AnyError> {
|
|
let mut heartbeat =
|
|
bind_socket::<zeromq::RepSocket>(&spec, spec.hb_port).await?;
|
|
let shell_socket =
|
|
bind_socket::<zeromq::RouterSocket>(&spec, spec.shell_port).await?;
|
|
let control_socket =
|
|
bind_socket::<zeromq::RouterSocket>(&spec, spec.control_port).await?;
|
|
let _stdin_socket =
|
|
bind_socket::<zeromq::RouterSocket>(&spec, spec.stdin_port).await?;
|
|
let iopub_socket =
|
|
bind_socket::<zeromq::PubSocket>(&spec, spec.iopub_port).await?;
|
|
let iopub_socket = Arc::new(Mutex::new(iopub_socket));
|
|
let last_execution_request = Rc::new(RefCell::new(None));
|
|
|
|
// Store `iopub_socket` in the op state so it's accessible to the runtime API.
|
|
{
|
|
let op_state_rc = repl_session.worker.js_runtime.op_state();
|
|
let mut op_state = op_state_rc.borrow_mut();
|
|
op_state.put(iopub_socket.clone());
|
|
op_state.put(last_execution_request.clone());
|
|
}
|
|
|
|
let cancel_handle = CancelHandle::new_rc();
|
|
let cancel_handle2 = CancelHandle::new_rc();
|
|
|
|
let mut server = Self {
|
|
execution_count: 0,
|
|
iopub_socket: iopub_socket.clone(),
|
|
last_execution_request: last_execution_request.clone(),
|
|
repl_session,
|
|
};
|
|
|
|
let handle1 = deno_core::unsync::spawn(async move {
|
|
if let Err(err) = Self::handle_heartbeat(&mut heartbeat).await {
|
|
eprintln!("Heartbeat error: {}", err);
|
|
}
|
|
});
|
|
|
|
let handle2 = deno_core::unsync::spawn(async move {
|
|
if let Err(err) =
|
|
Self::handle_control(control_socket, cancel_handle2).await
|
|
{
|
|
eprintln!("Control error: {}", err);
|
|
}
|
|
});
|
|
|
|
let handle3 = deno_core::unsync::spawn(async move {
|
|
if let Err(err) = server.handle_shell(shell_socket).await {
|
|
eprintln!("Shell error: {}", err);
|
|
}
|
|
});
|
|
|
|
let handle4 = deno_core::unsync::spawn(async move {
|
|
while let Some(stdio_msg) = stdio_rx.recv().await {
|
|
Self::handle_stdio_msg(
|
|
iopub_socket.clone(),
|
|
last_execution_request.clone(),
|
|
stdio_msg,
|
|
)
|
|
.await;
|
|
}
|
|
});
|
|
|
|
let join_fut =
|
|
futures::future::try_join_all(vec![handle1, handle2, handle3, handle4]);
|
|
|
|
if let Ok(result) = join_fut.or_cancel(cancel_handle).await {
|
|
result?;
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
async fn handle_stdio_msg<S: zeromq::SocketSend>(
|
|
iopub_socket: Arc<Mutex<Connection<S>>>,
|
|
last_execution_request: Rc<RefCell<Option<JupyterMessage>>>,
|
|
stdio_msg: StdioMsg,
|
|
) {
|
|
let maybe_exec_result = last_execution_request.borrow().clone();
|
|
if let Some(exec_request) = maybe_exec_result {
|
|
let (name, text) = match stdio_msg {
|
|
StdioMsg::Stdout(text) => ("stdout", text),
|
|
StdioMsg::Stderr(text) => ("stderr", text),
|
|
};
|
|
|
|
let result = exec_request
|
|
.new_message("stream")
|
|
.with_content(json!({
|
|
"name": name,
|
|
"text": text
|
|
}))
|
|
.send(&mut *iopub_socket.lock().await)
|
|
.await;
|
|
|
|
if let Err(err) = result {
|
|
eprintln!("Output {} error: {}", name, err);
|
|
}
|
|
}
|
|
}
|
|
|
|
async fn handle_heartbeat(
|
|
connection: &mut Connection<zeromq::RepSocket>,
|
|
) -> Result<(), AnyError> {
|
|
loop {
|
|
connection.socket.recv().await?;
|
|
connection
|
|
.socket
|
|
.send(zeromq::ZmqMessage::from(b"ping".to_vec()))
|
|
.await?;
|
|
}
|
|
}
|
|
|
|
async fn handle_control(
|
|
mut connection: Connection<zeromq::RouterSocket>,
|
|
cancel_handle: Rc<CancelHandle>,
|
|
) -> Result<(), AnyError> {
|
|
loop {
|
|
let msg = JupyterMessage::read(&mut connection).await?;
|
|
match msg.message_type() {
|
|
"kernel_info_request" => {
|
|
msg
|
|
.new_reply()
|
|
.with_content(kernel_info())
|
|
.send(&mut connection)
|
|
.await?;
|
|
}
|
|
"shutdown_request" => {
|
|
cancel_handle.cancel();
|
|
}
|
|
"interrupt_request" => {
|
|
eprintln!("Interrupt request currently not supported");
|
|
}
|
|
_ => {
|
|
eprintln!(
|
|
"Unrecognized control message type: {}",
|
|
msg.message_type()
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
async fn handle_shell(
|
|
&mut self,
|
|
mut connection: Connection<zeromq::RouterSocket>,
|
|
) -> Result<(), AnyError> {
|
|
loop {
|
|
let msg = JupyterMessage::read(&mut connection).await?;
|
|
self.handle_shell_message(msg, &mut connection).await?;
|
|
}
|
|
}
|
|
|
|
async fn handle_shell_message(
|
|
&mut self,
|
|
msg: JupyterMessage,
|
|
connection: &mut Connection<zeromq::RouterSocket>,
|
|
) -> Result<(), AnyError> {
|
|
msg
|
|
.new_message("status")
|
|
.with_content(json!({"execution_state": "busy"}))
|
|
.send(&mut *self.iopub_socket.lock().await)
|
|
.await?;
|
|
|
|
match msg.message_type() {
|
|
"kernel_info_request" => {
|
|
msg
|
|
.new_reply()
|
|
.with_content(kernel_info())
|
|
.send(connection)
|
|
.await?;
|
|
}
|
|
"is_complete_request" => {
|
|
msg
|
|
.new_reply()
|
|
.with_content(json!({"status": "complete"}))
|
|
.send(connection)
|
|
.await?;
|
|
}
|
|
"execute_request" => {
|
|
self
|
|
.handle_execution_request(msg.clone(), connection)
|
|
.await?;
|
|
}
|
|
"comm_open" => {
|
|
msg
|
|
.comm_close_message()
|
|
.send(&mut *self.iopub_socket.lock().await)
|
|
.await?;
|
|
}
|
|
"complete_request" => {
|
|
let user_code = msg.code();
|
|
let cursor_pos = msg.cursor_pos();
|
|
|
|
let lsp_completions = self
|
|
.repl_session
|
|
.language_server
|
|
.completions(user_code, cursor_pos)
|
|
.await;
|
|
|
|
if !lsp_completions.is_empty() {
|
|
let matches: Vec<String> = lsp_completions
|
|
.iter()
|
|
.map(|item| item.new_text.clone())
|
|
.collect();
|
|
|
|
let cursor_start = lsp_completions
|
|
.first()
|
|
.map(|item| item.range.start)
|
|
.unwrap_or(cursor_pos);
|
|
|
|
let cursor_end = lsp_completions
|
|
.last()
|
|
.map(|item| item.range.end)
|
|
.unwrap_or(cursor_pos);
|
|
|
|
msg
|
|
.new_reply()
|
|
.with_content(json!({
|
|
"status": "ok",
|
|
"matches": matches,
|
|
"cursor_start": cursor_start,
|
|
"cursor_end": cursor_end,
|
|
"metadata": {},
|
|
}))
|
|
.send(connection)
|
|
.await?;
|
|
} else {
|
|
let expr = get_expr_from_line_at_pos(user_code, cursor_pos);
|
|
// check if the expression is in the form `obj.prop`
|
|
let (completions, cursor_start) = if let Some(index) = expr.rfind('.')
|
|
{
|
|
let sub_expr = &expr[..index];
|
|
let prop_name = &expr[index + 1..];
|
|
let candidates =
|
|
get_expression_property_names(&mut self.repl_session, sub_expr)
|
|
.await
|
|
.into_iter()
|
|
.filter(|n| {
|
|
!n.starts_with("Symbol(")
|
|
&& n.starts_with(prop_name)
|
|
&& n != &*repl::REPL_INTERNALS_NAME
|
|
})
|
|
.collect();
|
|
|
|
(candidates, cursor_pos - prop_name.len())
|
|
} else {
|
|
// combine results of declarations and globalThis properties
|
|
let mut candidates = get_expression_property_names(
|
|
&mut self.repl_session,
|
|
"globalThis",
|
|
)
|
|
.await
|
|
.into_iter()
|
|
.chain(get_global_lexical_scope_names(&mut self.repl_session).await)
|
|
.filter(|n| n.starts_with(expr) && n != &*repl::REPL_INTERNALS_NAME)
|
|
.collect::<Vec<_>>();
|
|
|
|
// sort and remove duplicates
|
|
candidates.sort();
|
|
candidates.dedup(); // make sure to sort first
|
|
|
|
(candidates, cursor_pos - expr.len())
|
|
};
|
|
msg
|
|
.new_reply()
|
|
.with_content(json!({
|
|
"status": "ok",
|
|
"matches": completions,
|
|
"cursor_start": cursor_start,
|
|
"cursor_end": cursor_pos,
|
|
"metadata": {},
|
|
}))
|
|
.send(connection)
|
|
.await?;
|
|
}
|
|
}
|
|
"comm_msg" | "comm_info_request" | "history_request" => {
|
|
// We don't handle these messages
|
|
}
|
|
_ => {
|
|
eprintln!("Unrecognized shell message type: {}", msg.message_type());
|
|
}
|
|
}
|
|
|
|
msg
|
|
.new_message("status")
|
|
.with_content(json!({"execution_state": "idle"}))
|
|
.send(&mut *self.iopub_socket.lock().await)
|
|
.await?;
|
|
Ok(())
|
|
}
|
|
|
|
async fn handle_execution_request(
|
|
&mut self,
|
|
msg: JupyterMessage,
|
|
connection: &mut Connection<zeromq::RouterSocket>,
|
|
) -> Result<(), AnyError> {
|
|
self.execution_count += 1;
|
|
*self.last_execution_request.borrow_mut() = Some(msg.clone());
|
|
|
|
msg
|
|
.new_message("execute_input")
|
|
.with_content(json!({
|
|
"execution_count": self.execution_count,
|
|
"code": msg.code()
|
|
}))
|
|
.send(&mut *self.iopub_socket.lock().await)
|
|
.await?;
|
|
|
|
let result = self
|
|
.repl_session
|
|
.evaluate_line_with_object_wrapping(msg.code())
|
|
.await;
|
|
|
|
let evaluate_response = match result {
|
|
Ok(eval_response) => eval_response,
|
|
Err(err) => {
|
|
msg
|
|
.new_message("error")
|
|
.with_content(json!({
|
|
"ename": err.to_string(),
|
|
"evalue": " ", // Fake value, otherwise old Jupyter frontends don't show the error
|
|
"traceback": [],
|
|
}))
|
|
.send(&mut *self.iopub_socket.lock().await)
|
|
.await?;
|
|
msg
|
|
.new_reply()
|
|
.with_content(json!({
|
|
"status": "error",
|
|
"execution_count": self.execution_count,
|
|
}))
|
|
.send(connection)
|
|
.await?;
|
|
return Ok(());
|
|
}
|
|
};
|
|
|
|
let cdp::EvaluateResponse {
|
|
result,
|
|
exception_details,
|
|
} = evaluate_response.value;
|
|
|
|
if exception_details.is_none() {
|
|
publish_result(&mut self.repl_session, &result, self.execution_count)
|
|
.await?;
|
|
|
|
msg
|
|
.new_reply()
|
|
.with_content(json!({
|
|
"status": "ok",
|
|
"execution_count": self.execution_count,
|
|
}))
|
|
.send(connection)
|
|
.await?;
|
|
// Let's sleep here for a few ms, so we give a chance to the task that is
|
|
// handling stdout and stderr streams to receive and flush the content.
|
|
// Otherwise, executing multiple cells one-by-one might lead to output
|
|
// from various cells be grouped together in another cell result.
|
|
tokio::time::sleep(std::time::Duration::from_millis(5)).await;
|
|
} else if let Some(exception_details) = exception_details {
|
|
// Determine the exception value and name
|
|
let (name, message, stack) =
|
|
if let Some(exception) = exception_details.exception {
|
|
let result = self
|
|
.repl_session
|
|
.call_function_on_args(
|
|
r#"
|
|
function(object) {
|
|
if (object instanceof Error) {
|
|
const name = "name" in object ? String(object.name) : "";
|
|
const message = "message" in object ? String(object.message) : "";
|
|
const stack = "stack" in object ? String(object.stack) : "";
|
|
return JSON.stringify({ name, message, stack });
|
|
} else {
|
|
const message = String(object);
|
|
return JSON.stringify({ name: "", message, stack: "" });
|
|
}
|
|
}
|
|
"#
|
|
.into(),
|
|
&[exception],
|
|
)
|
|
.await?;
|
|
|
|
match result.result.value {
|
|
Some(serde_json::Value::String(str)) => {
|
|
if let Ok(object) =
|
|
serde_json::from_str::<HashMap<String, String>>(&str)
|
|
{
|
|
let get = |k| object.get(k).cloned().unwrap_or_default();
|
|
(get("name"), get("message"), get("stack"))
|
|
} else {
|
|
eprintln!("Unexpected result while parsing JSON {str}");
|
|
("".into(), "".into(), "".into())
|
|
}
|
|
}
|
|
_ => {
|
|
eprintln!("Unexpected result while parsing exception {result:?}");
|
|
("".into(), "".into(), "".into())
|
|
}
|
|
}
|
|
} else {
|
|
eprintln!("Unexpectedly missing exception {exception_details:?}");
|
|
("".into(), "".into(), "".into())
|
|
};
|
|
|
|
let stack = if stack.is_empty() {
|
|
format!(
|
|
"{}\n at <unknown>",
|
|
serde_json::to_string(&message).unwrap()
|
|
)
|
|
} else {
|
|
stack
|
|
};
|
|
let traceback = format!("Stack trace:\n{stack}")
|
|
.split('\n')
|
|
.map(|s| s.to_owned())
|
|
.collect::<Vec<_>>();
|
|
|
|
let ename = if name.is_empty() {
|
|
"Unknown error".into()
|
|
} else {
|
|
name
|
|
};
|
|
|
|
let evalue = if message.is_empty() {
|
|
"(none)".into()
|
|
} else {
|
|
message
|
|
};
|
|
|
|
msg
|
|
.new_message("error")
|
|
.with_content(json!({
|
|
"ename": ename,
|
|
"evalue": evalue,
|
|
"traceback": traceback,
|
|
}))
|
|
.send(&mut *self.iopub_socket.lock().await)
|
|
.await?;
|
|
msg
|
|
.new_reply()
|
|
.with_content(json!({
|
|
"status": "error",
|
|
"execution_count": self.execution_count,
|
|
}))
|
|
.send(connection)
|
|
.await?;
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
}
|
|
|
|
async fn bind_socket<S: zeromq::Socket>(
|
|
config: &ConnectionSpec,
|
|
port: u32,
|
|
) -> Result<Connection<S>, AnyError> {
|
|
let endpoint = format!("{}://{}:{}", config.transport, config.ip, port);
|
|
let mut socket = S::new();
|
|
socket.bind(&endpoint).await?;
|
|
Ok(Connection::new(socket, &config.key))
|
|
}
|
|
|
|
fn kernel_info() -> serde_json::Value {
|
|
json!({
|
|
"status": "ok",
|
|
"protocol_version": "5.3",
|
|
"implementation_version": crate::version::deno(),
|
|
"implementation": "Deno kernel",
|
|
"language_info": {
|
|
"name": "typescript",
|
|
"version": crate::version::TYPESCRIPT,
|
|
"mimetype": "text/x.typescript",
|
|
"file_extension": ".ts",
|
|
"pygments_lexer": "typescript",
|
|
"nb_converter": "script"
|
|
},
|
|
"help_links": [{
|
|
"text": "Visit Deno manual",
|
|
"url": "https://deno.land/manual"
|
|
}],
|
|
"banner": "Welcome to Deno kernel",
|
|
})
|
|
}
|
|
|
|
async fn publish_result(
|
|
session: &mut repl::ReplSession,
|
|
evaluate_result: &cdp::RemoteObject,
|
|
execution_count: usize,
|
|
) -> Result<Option<HashMap<String, serde_json::Value>>, AnyError> {
|
|
let arg0 = cdp::CallArgument {
|
|
value: Some(serde_json::Value::Number(execution_count.into())),
|
|
unserializable_value: None,
|
|
object_id: None,
|
|
};
|
|
|
|
let arg1 = cdp::CallArgument::from(evaluate_result);
|
|
|
|
let response = session
|
|
.post_message_with_event_loop(
|
|
"Runtime.callFunctionOn",
|
|
Some(json!({
|
|
"functionDeclaration": r#"async function (execution_count, result) {
|
|
await Deno[Deno.internal].jupyter.broadcastResult(execution_count, result);
|
|
}"#,
|
|
"arguments": [arg0, arg1],
|
|
"executionContextId": session.context_id,
|
|
"awaitPromise": true,
|
|
})),
|
|
)
|
|
.await?;
|
|
|
|
let response: cdp::CallFunctionOnResponse = serde_json::from_value(response)?;
|
|
|
|
if let Some(exception_details) = &response.exception_details {
|
|
// If the object doesn't have a Jupyter.display method or it throws an
|
|
// exception, we just ignore it and let the caller handle it.
|
|
eprintln!("Exception encountered: {}", exception_details.text);
|
|
return Ok(None);
|
|
}
|
|
|
|
Ok(None)
|
|
}
|
|
|
|
// TODO(bartlomieju): dedup with repl::editor
|
|
fn get_expr_from_line_at_pos(line: &str, cursor_pos: usize) -> &str {
|
|
let start = line[..cursor_pos].rfind(is_word_boundary).unwrap_or(0);
|
|
let end = line[cursor_pos..]
|
|
.rfind(is_word_boundary)
|
|
.map(|i| cursor_pos + i)
|
|
.unwrap_or(cursor_pos);
|
|
|
|
let word = &line[start..end];
|
|
let word = word.strip_prefix(is_word_boundary).unwrap_or(word);
|
|
let word = word.strip_suffix(is_word_boundary).unwrap_or(word);
|
|
|
|
word
|
|
}
|
|
|
|
// TODO(bartlomieju): dedup with repl::editor
|
|
fn is_word_boundary(c: char) -> bool {
|
|
if matches!(c, '.' | '_' | '$') {
|
|
false
|
|
} else {
|
|
char::is_ascii_whitespace(&c) || char::is_ascii_punctuation(&c)
|
|
}
|
|
}
|
|
|
|
// TODO(bartlomieju): dedup with repl::editor
|
|
async fn get_global_lexical_scope_names(
|
|
session: &mut repl::ReplSession,
|
|
) -> Vec<String> {
|
|
let evaluate_response = session
|
|
.post_message_with_event_loop(
|
|
"Runtime.globalLexicalScopeNames",
|
|
Some(cdp::GlobalLexicalScopeNamesArgs {
|
|
execution_context_id: Some(session.context_id),
|
|
}),
|
|
)
|
|
.await
|
|
.unwrap();
|
|
let evaluate_response: cdp::GlobalLexicalScopeNamesResponse =
|
|
serde_json::from_value(evaluate_response).unwrap();
|
|
evaluate_response.names
|
|
}
|
|
|
|
// TODO(bartlomieju): dedup with repl::editor
|
|
async fn get_expression_property_names(
|
|
session: &mut repl::ReplSession,
|
|
expr: &str,
|
|
) -> Vec<String> {
|
|
// try to get the properties from the expression
|
|
if let Some(properties) = get_object_expr_properties(session, expr).await {
|
|
return properties;
|
|
}
|
|
|
|
// otherwise fall back to the prototype
|
|
let expr_type = get_expression_type(session, expr).await;
|
|
let object_expr = match expr_type.as_deref() {
|
|
// possibilities: https://chromedevtools.github.io/devtools-protocol/v8/Runtime/#type-RemoteObject
|
|
Some("object") => "Object.prototype",
|
|
Some("function") => "Function.prototype",
|
|
Some("string") => "String.prototype",
|
|
Some("boolean") => "Boolean.prototype",
|
|
Some("bigint") => "BigInt.prototype",
|
|
Some("number") => "Number.prototype",
|
|
_ => return Vec::new(), // undefined, symbol, and unhandled
|
|
};
|
|
|
|
get_object_expr_properties(session, object_expr)
|
|
.await
|
|
.unwrap_or_default()
|
|
}
|
|
|
|
// TODO(bartlomieju): dedup with repl::editor
|
|
async fn get_expression_type(
|
|
session: &mut repl::ReplSession,
|
|
expr: &str,
|
|
) -> Option<String> {
|
|
evaluate_expression(session, expr)
|
|
.await
|
|
.map(|res| res.result.kind)
|
|
}
|
|
|
|
// TODO(bartlomieju): dedup with repl::editor
|
|
async fn get_object_expr_properties(
|
|
session: &mut repl::ReplSession,
|
|
object_expr: &str,
|
|
) -> Option<Vec<String>> {
|
|
let evaluate_result = evaluate_expression(session, object_expr).await?;
|
|
let object_id = evaluate_result.result.object_id?;
|
|
|
|
let get_properties_response = session
|
|
.post_message_with_event_loop(
|
|
"Runtime.getProperties",
|
|
Some(cdp::GetPropertiesArgs {
|
|
object_id,
|
|
own_properties: None,
|
|
accessor_properties_only: None,
|
|
generate_preview: None,
|
|
non_indexed_properties_only: Some(true),
|
|
}),
|
|
)
|
|
.await
|
|
.ok()?;
|
|
let get_properties_response: cdp::GetPropertiesResponse =
|
|
serde_json::from_value(get_properties_response).ok()?;
|
|
Some(
|
|
get_properties_response
|
|
.result
|
|
.into_iter()
|
|
.map(|prop| prop.name)
|
|
.collect(),
|
|
)
|
|
}
|
|
|
|
// TODO(bartlomieju): dedup with repl::editor
|
|
async fn evaluate_expression(
|
|
session: &mut repl::ReplSession,
|
|
expr: &str,
|
|
) -> Option<cdp::EvaluateResponse> {
|
|
let evaluate_response = session
|
|
.post_message_with_event_loop(
|
|
"Runtime.evaluate",
|
|
Some(cdp::EvaluateArgs {
|
|
expression: expr.to_string(),
|
|
object_group: None,
|
|
include_command_line_api: None,
|
|
silent: None,
|
|
context_id: Some(session.context_id),
|
|
return_by_value: None,
|
|
generate_preview: None,
|
|
user_gesture: None,
|
|
await_promise: None,
|
|
throw_on_side_effect: Some(true),
|
|
timeout: Some(200),
|
|
disable_breaks: None,
|
|
repl_mode: None,
|
|
allow_unsafe_eval_blocked_by_csp: None,
|
|
unique_context_id: None,
|
|
}),
|
|
)
|
|
.await
|
|
.ok()?;
|
|
let evaluate_response: cdp::EvaluateResponse =
|
|
serde_json::from_value(evaluate_response).ok()?;
|
|
|
|
if evaluate_response.exception_details.is_some() {
|
|
None
|
|
} else {
|
|
Some(evaluate_response)
|
|
}
|
|
}
|