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refactor: rename ThreadSafeState, use RefCell for mutable state (#3931)

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* rename ThreadSafeState to State
* State stores InnerState wrapped in Rc and RefCell
This commit is contained in:
Bartek Iwańczuk 2020-02-08 20:34:31 +01:00 • committed by GitHub
parent 619a24390f
commit cdba5ab6fc
31 changed files with 454 additions and 464 deletions
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24
cli/ops/repl.rs
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@ -4,12 +4,12 @@ use crate::deno_error::bad_resource;
use crate::ops::json_op;
use crate::repl;
use crate::repl::Repl;
use crate::state::ThreadSafeState;
use crate::state::State;
use deno_core::*;
use std::sync::Arc;
use std::sync::Mutex;
pub fn init(i: &mut Isolate, s: &ThreadSafeState) {
pub fn init(i: &mut Isolate, s: &State) {
i.register_op(
"repl_start",
s.core_op(json_op(s.stateful_op(op_repl_start))),
@ -29,7 +29,7 @@ struct ReplStartArgs {
}
fn op_repl_start(
state: &ThreadSafeState,
state: &State,
args: Value,
_zero_copy: Option<ZeroCopyBuf>,
) -> Result<JsonOp, ErrBox> {
@ -37,11 +37,11 @@ fn op_repl_start(
debug!("op_repl_start {}", args.history_file);
let history_path =
repl::history_path(&state.global_state.dir, &args.history_file);
repl::history_path(&state.borrow().global_state.dir, &args.history_file);
let repl = repl::Repl::new(history_path);
let mut state = state.borrow_mut();
let resource = ReplResource(Arc::new(Mutex::new(repl)));
let mut table = state.lock_resource_table();
let rid = table.add("repl", Box::new(resource));
let rid = state.resource_table.add("repl", Box::new(resource));
Ok(JsonOp::Sync(json!(rid)))
}
@ -52,7 +52,7 @@ struct ReplReadlineArgs {
}
fn op_repl_readline(
state: &ThreadSafeState,
state: &State,
args: Value,
_zero_copy: Option<ZeroCopyBuf>,
) -> Result<JsonOp, ErrBox> {
@ -60,12 +60,14 @@ fn op_repl_readline(
let rid = args.rid as u32;
let prompt = args.prompt;
debug!("op_repl_readline {} {}", rid, prompt);
let state = state.clone();
let state = state.borrow();
let resource = state
.resource_table
.get::<ReplResource>(rid)
.ok_or_else(bad_resource)?;
let repl = resource.0.clone();
blocking_json(false, move || {
let table = state.lock_resource_table();
let resource = table.get::<ReplResource>(rid).ok_or_else(bad_resource)?;
let repl = resource.0.clone();
let line = repl.lock().unwrap().readline(&prompt)?;
Ok(json!(line))
})