apeiro's Introduction

🚀 Quickstart

🏃‍♂️ Run the daemon

$ cargo run --bin apeirod

🧩 ApeiroJS

📝 log()
📬 $recv(matcher)
📨 $send(pid, msg)
🔢 $pid()
🕒 $send("clock", { sender: $pid(), wait: ms });
🐣 let new_pid = $spawn(fn)

Every file declaring a process must export a default value, that can be:

🧮 a function,
🌐 an async function,
🔄 a generator.

🔢 Create a process that adds two numbers and run through it

$ echo 'export default function main() {
	let a = $recv({$type:["number"]});

	let b = $recv({$type:["number"]});

	if (b > 50) {
		let c = $recv({$type:["number"]});
		return a + b + c;
	}
	
	return a + b;
}' > func.js

$ cargo run --bin ap -- new --src ./func.js
Ok(ProcNewOutput { id: "yVPxlQTnVcclpV0c3tSWq", state: StepResult { status: SUSPEND, val: None, suspension: Some(Object {"$type": Array [String("number")]}) } })

$ cargo run --bin ap -- send yVPxlQTnVcclpV0c3tSWq '{"a":1}'

status: SUSPEND
val: 
suspension: {
  "$type": [
    "number"
  ]
}

$ cargo run --bin ap -- send yVPxlQTnVcclpV0c3tSWq '{"b":51}'

status: SUSPEND
val: 
suspension: {
  "c": {
    "$type": [
      "number"
    ]
  }
}

$ cargo run --bin ap -- send yVPxlQTnVcclpV0c3tSWq '{"c":100}'

status: DONE
val: 152

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apeiro's Issues

Bad $recv spec crashes daemon

$recv({"$type":"number"})

causes a crash when $recv is evaluated (i.e. when a msg is being received):

2023-12-23T14:11:01.544168Z  INFO inner_proc_send{proc_id_or_name="Yc4LwY82rHLxFRqCElytu" step_id="8Bv0mS9XuyMCMMSIP2Zk4" body=ProcSendRequest { msg: Object {"x": Number(3)} }}: apeiro_engine::engine: before kickoff
2023-12-23T14:11:01.544482Z  INFO inner_proc_send{proc_id_or_name="Yc4LwY82rHLxFRqCElytu" step_id="8Bv0mS9XuyMCMMSIP2Zk4" body=ProcSendRequest { msg: Object {"x": Number(3)} }}:mbox_callback{scope=HandleScope { _data: 0x6000019fd500, _phantom: PhantomData<&mut v8::data::Context> } args=FunctionCallbackArguments(FunctionCallbackInfo { implicit_args: 0x16e3dc220, values: 0x16e3dc258, length: 1 }) retval=ReturnValue(0x16e3dc238, PhantomData<&()>)}: apeiro_engine::engine: new
thread 'tokio-runtime-worker' panicked at /Users/iwa/.asdf/installs/rust/1.74.1/registry/src/index.crates.io-6f17d22bba15001f/serde_json_matcher-0.1.5/src/lib.rs:219:72:
called `Result::unwrap()` on an `Err` value: Error("invalid type: string \"number\", expected a sequence", line: 0, column: 0)
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
fatal runtime error: failed to initiate panic, error 5
zsh: abort      ./target/debug/apeirod

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