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partway through extension

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This commit is contained in:
Lawrence Bethlenfalvy
2025-01-20 08:52:19 +00:00
parent 6e0605ea85
commit 8fd3f2af0f
12 changed files with 470 additions and 214 deletions
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438
orchid-extension/src/entrypoint.rs
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@@ -1,12 +1,17 @@
use std::io::Write;
use std::num::NonZero;
use std::sync::Arc;
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::{Arc, Mutex};
use std::{mem, process, thread};
use async_std::channel::{Receiver, Sender};
use async_std::sync::Mutex;
use futures::FutureExt;
use futures::future::LocalBoxFuture;
use hashbrown::HashMap;
use itertools::Itertools;
use orchid_api_traits::{Decode, Encode, enc_vec};
use orchid_base::builtin::ExtPort;
use orchid_base::char_filter::{char_filter_match, char_filter_union, mk_char_filter};
use orchid_base::clone;
use orchid_base::interner::{Tok, init_replica, sweep_replica};
@@ -14,7 +19,7 @@ use orchid_base::logging::Logger;
use orchid_base::macros::{mtreev_from_api, mtreev_to_api};
use orchid_base::name::{PathSlice, Sym};
use orchid_base::parse::{Comment, Snippet};
use orchid_base::reqnot::{ReqHandlish, ReqNot, RequestHandle, Requester};
use orchid_base::reqnot::{Receipt, ReqHandlish, ReqNot, RequestHandle, Requester};
use orchid_base::tree::{ttv_from_api, ttv_to_api};
use substack::Substack;
@@ -55,18 +60,23 @@ pub struct SystemRecord {
lazy_members: HashMap<api::TreeId, MemberRecord>,
}
pub fn with_atom_record<T>(
pub async fn with_atom_record<T>(
get_sys_ctx: &impl Fn(api::SysId, ReqNot<api::ExtMsgSet>) -> SysCtx,
reqnot: ReqNot<api::ExtMsgSet>,
atom: &api::Atom,
cb: impl FnOnce(Box<dyn AtomDynfo>, SysCtx, api::AtomId, &[u8]) -> T,
cb: impl for<'c> FnOnce(
Box<dyn AtomDynfo>,
SysCtx,
api::AtomId,
&'c [u8],
) -> LocalBoxFuture<'c, T>,
) -> T {
let mut data = &atom.data[..];
let ctx = get_sys_ctx(atom.owner, reqnot);
let inst = ctx.cted.inst();
let id = api::AtomId::decode(&mut data);
let atom_record = atom_by_idx(inst.card(), id).expect("Atom ID reserved");
cb(atom_record, ctx, id, data)
cb(atom_record, ctx, id, data).await
}
pub fn extension_main(data: ExtensionData) {
@@ -83,7 +93,20 @@ pub fn extension_main(data: ExtensionData) {
pub struct ExtensionOwner {
rn: ReqNot<api::ExtMsgSet>,
onmessage: Mutex<OnMessage>,
out_recv: Receiver<Vec<u8>>,
out_send: Sender<Vec<u8>>,
}
impl ExtPort for ExtensionOwner {
fn send<'a>(&'a self, msg: &'a [u8]) -> LocalBoxFuture<'a, ()> {
self.rn.receive(msg).boxed_local()
}
fn recv<'a, 's: 'a>(
&'s self,
cb: Box<dyn FnOnce(&[u8]) -> LocalBoxFuture<'a, ()> + 'a>,
) -> LocalBoxFuture<'a, ()> {
async { cb(&self.out_recv.recv().await.unwrap()[..]).await }.boxed_local()
}
}
fn extension_main_logic(data: ExtensionData) {
@@ -99,207 +122,214 @@ fn extension_main_logic(data: ExtensionData) {
std::io::stdout().flush().unwrap();
let exiting = Arc::new(AtomicBool::new(false));
let logger = Arc::new(Logger::new(log_strategy));
let mk_ctx = clone!(logger, systems; move |id: api::SysId, reqnot: ReqNot<api::ExtMsgSet>| {
let cted = systems.lock().unwrap()[&id].cted.clone();
SysCtx { id, cted, logger: logger.clone(), reqnot }
});
let mk_ctx = clone!(
logger, systems;
move |id: api::SysId, reqnot: ReqNot<api::ExtMsgSet>| async {
let cted = systems.lock().await[&id].cted.clone();
SysCtx { id, cted, logger: logger.clone(), reqnot }
}.boxed_local()
);
let rn = ReqNot::<api::ExtMsgSet>::new(
clone!(logger; move |a, _| {
clone!(logger; move |a, _| async {
logger.log_buf("Upsending", a);
send_parent_msg(a).unwrap()
}),
clone!(systems, exiting, mk_ctx; move |n, reqnot| match n {
api::HostExtNotif::Exit => exiting.store(true, Ordering::Relaxed),
api::HostExtNotif::SystemDrop(api::SystemDrop(sys_id)) =>
mem::drop(systems.lock().unwrap().remove(&sys_id)),
api::HostExtNotif::AtomDrop(api::AtomDrop(sys_id, atom)) =>
OBJ_STORE.get(atom.0).unwrap().remove().dyn_free(mk_ctx(sys_id, reqnot)),
}),
clone!(systems, logger; move |hand, req| match req {
api::HostExtReq::Ping(ping@api::Ping) => hand.handle(&ping, &()),
api::HostExtReq::Sweep(sweep@api::Sweep) => hand.handle(&sweep, &sweep_replica()),
api::HostExtReq::SysReq(api::SysReq::NewSystem(new_sys)) => {
let i = decls.iter().enumerate().find(|(_, s)| s.id == new_sys.system).unwrap().0;
let cted = data.systems[i].new_system(&new_sys);
let mut vfses = HashMap::new();
let lex_filter = cted.inst().dyn_lexers().iter().fold(api::CharFilter(vec![]), |cf, lx| {
let lxcf = mk_char_filter(lx.char_filter().iter().cloned());
char_filter_union(&cf, &lxcf)
});
let mut lazy_mems = HashMap::new();
let ctx = SysCtx{
cted: cted.clone(),
id: new_sys.id,
logger: logger.clone(),
reqnot: hand.reqnot()
};
let mut tia_ctx = TIACtxImpl{
lazy: &mut lazy_mems,
sys: ctx.clone(),
basepath: &[],
path: Substack::Bottom,
};
let const_root = (cted.inst().dyn_env().into_iter())
.map(|(k, v)| (k.to_api(), v.into_api(&mut tia_ctx)))
.collect();
systems.lock().unwrap().insert(new_sys.id, SystemRecord {
declfs: cted.inst().dyn_vfs().to_api_rec(&mut vfses),
vfses,
cted,
lazy_members: lazy_mems
});
hand.handle(&new_sys, &api::SystemInst {
lex_filter,
const_root,
line_types: vec![]
})
send_parent_msg(a).await.unwrap()
}.boxed_local()),
clone!(systems, exiting, mk_ctx; move |n, reqnot| async {
match n {
api::HostExtNotif::Exit => exiting.store(true, Ordering::Relaxed),
api::HostExtNotif::SystemDrop(api::SystemDrop(sys_id)) =>
mem::drop(systems.lock().await.remove(&sys_id)),
api::HostExtNotif::AtomDrop(api::AtomDrop(sys_id, atom)) =>
OBJ_STORE.get(atom.0).unwrap().remove().dyn_free(mk_ctx(sys_id, reqnot).await),
}
api::HostExtReq::GetMember(get_tree@api::GetMember(sys_id, tree_id)) => {
let mut systems_g = systems.lock().unwrap();
let sys = systems_g.get_mut(&sys_id).expect("System not found");
let lazy = &mut sys.lazy_members;
let (path, cb) = match lazy.insert(tree_id, MemberRecord::Res) {
None => panic!("Tree for ID not found"),
Some(MemberRecord::Res) => panic!("This tree has already been transmitted"),
Some(MemberRecord::Gen(path, cb)) => (path, cb),
};
let tree = cb.build(path.clone());
hand.handle(&get_tree, &tree.into_api(&mut TIACtxImpl{
sys: SysCtx::new(sys_id, &sys.cted, &logger, hand.reqnot()),
path: Substack::Bottom,
basepath: &path,
lazy,
}))
}
api::HostExtReq::VfsReq(api::VfsReq::GetVfs(get_vfs@api::GetVfs(sys_id))) => {
let systems_g = systems.lock().unwrap();
hand.handle(&get_vfs, &systems_g[&sys_id].declfs)
}
api::HostExtReq::SysReq(api::SysReq::SysFwded(fwd)) => {
let api::SysFwded(sys_id, payload) = fwd;
let ctx = mk_ctx(sys_id, hand.reqnot());
let sys = ctx.cted.inst();
sys.dyn_request(hand, payload)
}
api::HostExtReq::VfsReq(api::VfsReq::VfsRead(vfs_read)) => {
let api::VfsRead(sys_id, vfs_id, path) = &vfs_read;
let systems_g = systems.lock().unwrap();
let path = path.iter().map(|t| Tok::from_api(*t)).collect_vec();
hand.handle(&vfs_read, &systems_g[sys_id].vfses[vfs_id].load(PathSlice::new(&path)))
}
api::HostExtReq::LexExpr(lex @ api::LexExpr{ sys, text, pos, id }) => {
let systems_g = systems.lock().unwrap();
let lexers = systems_g[&sys].cted.inst().dyn_lexers();
mem::drop(systems_g);
let text = Tok::from_api(text);
let ctx = LexContext { sys, id, pos, reqnot: hand.reqnot(), text: &text };
let trigger_char = text.chars().nth(pos as usize).unwrap();
for lx in lexers.iter().filter(|l| char_filter_match(l.char_filter(), trigger_char)) {
match lx.lex(&text[pos as usize..], &ctx) {
Err(e) if e.any(|e| *e == err_not_applicable()) => continue,
Err(e) => {
let eopt = e.keep_only(|e| *e != err_cascade()).map(|e| Err(e.to_api()));
return hand.handle(&lex, &eopt)
},
Ok((s, expr)) => {
let ctx = mk_ctx(sys, hand.reqnot());
let expr = expr.to_api(&mut |f, r| do_extra(f, r, ctx.clone()));
let pos = (text.len() - s.len()) as u32;
return hand.handle(&lex, &Some(Ok(api::LexedExpr{ pos, expr })))
}
}
}
writeln!(logger, "Got notified about n/a character '{trigger_char}'");
hand.handle(&lex, &None)
},
api::HostExtReq::ParseLine(pline) => {
let api::ParseLine{ exported, comments, sys, line } = &pline;
let mut ctx = mk_ctx(*sys, hand.reqnot());
let parsers = ctx.cted.inst().dyn_parsers();
let comments = comments.iter().map(Comment::from_api).collect();
let line: Vec<GenTokTree> = ttv_from_api(line, &mut ctx);
let snip = Snippet::new(line.first().expect("Empty line"), &line);
let (head, tail) = snip.pop_front().unwrap();
let name = if let GenTok::Name(n) = &head.tok { n } else { panic!("No line head") };
let parser = parsers.iter().find(|p| p.line_head() == **name).expect("No parser candidate");
let o_line = match parser.parse(*exported, comments, tail) {
Err(e) => Err(e.to_api()),
Ok(t) => Ok(ttv_to_api(t, &mut |f, range| {
api::TokenTree{ range, token: api::Token::Atom(f.clone().build(ctx.clone())) }
})),
};
hand.handle(&pline, &o_line)
}
api::HostExtReq::AtomReq(atom_req) => {
let atom = atom_req.get_atom();
with_atom_record(&mk_ctx, hand.reqnot(), atom, |nfo, ctx, id, buf| {
let actx = AtomCtx(buf, atom.drop, ctx.clone());
match &atom_req {
api::AtomReq::SerializeAtom(ser) => {
let mut buf = enc_vec(&id);
let refs_opt = nfo.serialize(actx, &mut buf);
hand.handle(ser, &refs_opt.map(|refs| (buf, refs)))
}
api::AtomReq::AtomPrint(print@api::AtomPrint(_)) =>
hand.handle(print, &nfo.print(actx)),
api::AtomReq::Fwded(fwded) => {
let api::Fwded(_, key, payload) = &fwded;
let mut reply = Vec::new();
let some = nfo.handle_req(actx, Sym::from_api(*key), &mut &payload[..], &mut reply);
hand.handle(fwded, &some.then_some(reply))
}
api::AtomReq::CallRef(call@api::CallRef(_, arg)) => {
let ret = nfo.call_ref(actx, *arg);
hand.handle(call, &ret.api_return(ctx.clone(), &mut |h| hand.defer_drop(h)))
},
api::AtomReq::FinalCall(call@api::FinalCall(_, arg)) => {
let ret = nfo.call(actx, *arg);
hand.handle(call, &ret.api_return(ctx.clone(), &mut |h| hand.defer_drop(h)))
}
api::AtomReq::Command(cmd@api::Command(_)) => {
hand.handle(cmd, &match nfo.command(actx) {
Err(e) => Err(e.to_api()),
Ok(opt) => Ok(match opt {
None => api::NextStep::Halt,
Some(cont) => api::NextStep::Continue(
cont.api_return(ctx.clone(), &mut |h| hand.defer_drop(h))
),
})
})
}
}
})
},
api::HostExtReq::DeserAtom(deser) => {
let api::DeserAtom(sys, buf, refs) = &deser;
let mut read = &mut &buf[..];
let ctx = mk_ctx(*sys, hand.reqnot());
let id = api::AtomId::decode(&mut read);
let inst = ctx.cted.inst();
let nfo = atom_by_idx(inst.card(), id).expect("Deserializing atom with invalid ID");
hand.handle(&deser, &nfo.deserialize(ctx.clone(), read, refs))
},
orchid_api::HostExtReq::ApplyMacro(am) => {
let tok = hand.will_handle_as(&am);
let sys_ctx = mk_ctx(am.sys, hand.reqnot());
let ctx = RuleCtx {
args: (am.params.into_iter())
.map(|(k, v)| (
Tok::from_api(k),
mtreev_from_api(&v, &mut |_| panic!("No atom in macro prompt!"))
))
.collect(),
run_id: am.run_id,
sys: sys_ctx.clone(),
};
hand.handle_as(tok, &match apply_rule(am.id, ctx) {
Err(e) => e.keep_only(|e| *e != err_cascade()).map(|e| Err(e.to_api())),
Ok(t) => Some(Ok(mtreev_to_api(&t, &mut |a| {
api::MacroToken::Atom(a.clone().build(sys_ctx.clone()))
}))),
})
}
}),
}.boxed_local()),
{
let systems = systems.clone();
let logger = logger.clone();
(move|hand,req|async {
let receipt:Receipt = match req {
api::HostExtReq::Ping(ping@api::Ping) => hand.handle(&ping, &()).await,
api::HostExtReq::Sweep(sweep@api::Sweep) => hand.handle(&sweep, &sweep_replica()).await,
api::HostExtReq::SysReq(api::SysReq::NewSystem(new_sys)) => {
let i = decls.iter().enumerate().find(|(_,s)|s.id==new_sys.system).unwrap().0;
let cted = data.systems[i].new_system(&new_sys);
let mut vfses = HashMap::new();
let lex_filter = cted.inst().dyn_lexers().iter().fold(api::CharFilter(vec![]), |cf,lx|{
let lxcf = mk_char_filter(lx.char_filter().iter().cloned());
char_filter_union(&cf, &lxcf)
});
let mut lazy_mems = HashMap::new();
let ctx = SysCtx {
cted:cted.clone(),id:new_sys.id,logger:logger.clone(),reqnot:hand.reqnot()
};
let mut tia_ctx = TIACtxImpl {
lazy: &mut lazy_mems,sys:ctx.clone(),basepath: &[],path:Substack::Bottom,
};
let const_root = (cted.inst().dyn_env().into_iter()).map(|(k,v)|(k.to_api(),v.into_api(&mut tia_ctx))).collect();
systems.lock().unwrap().insert(new_sys.id,SystemRecord {
declfs:cted.inst().dyn_vfs().to_api_rec(&mut vfses),vfses,cted,lazy_members:lazy_mems
});
hand.handle(&new_sys, &api::SystemInst {
lex_filter,const_root,line_types:vec![]
}).await
}
api::HostExtReq::GetMember(get_tree@api::GetMember(sys_id,tree_id)) => {
let mut systems_g = systems.lock().unwrap();
let sys = systems_g.get_mut(&sys_id).expect("System not found");
let lazy = &mut sys.lazy_members;
let(path,cb) = match lazy.insert(tree_id,MemberRecord::Res){
None => panic!("Tree for ID not found"),
Some(MemberRecord::Res) => panic!("This tree has already been transmitted"),
Some(MemberRecord::Gen(path,cb)) => (path,cb),
};
let tree = cb.build(path.clone());
hand.handle(&get_tree, &tree.into_api(&mut TIACtxImpl {
sys:SysCtx::new(sys_id, &sys.cted, &logger,hand.reqnot()),path:Substack::Bottom,basepath: &path,lazy,
})).await
}
api::HostExtReq::VfsReq(api::VfsReq::GetVfs(get_vfs@api::GetVfs(sys_id))) => {
let systems_g = systems.lock().unwrap();
hand.handle(&get_vfs, &systems_g[&sys_id].declfs).await
}
api::HostExtReq::SysReq(api::SysReq::SysFwded(fwd)) => {
let api::SysFwded(sys_id,payload) = fwd;
let ctx = mk_ctx(sys_id,hand.reqnot());
let sys = ctx.cted.inst();
sys.dyn_request(hand,payload)
}
api::HostExtReq::VfsReq(api::VfsReq::VfsRead(vfs_read)) => {
let api::VfsRead(sys_id,vfs_id,path) = &vfs_read;
let systems_g = systems.lock().unwrap();
let path = path.iter().map(|t|Tok::from_api(*t)).collect_vec();
hand.handle(&vfs_read, &systems_g[sys_id].vfses[vfs_id].load(PathSlice::new(&path))).await
}
api::HostExtReq::LexExpr(lex@api::LexExpr {
sys,text,pos,id
}) => {
let systems_g = systems.lock().unwrap();
let lexers = systems_g[&sys].cted.inst().dyn_lexers();
mem::drop(systems_g);
let text = Tok::from_api(text);
let ctx = LexContext {
sys,id,pos,reqnot:hand.reqnot(),text: &text
};
let trigger_char = text.await.chars().nth(pos as usize).unwrap();
for lx in lexers.iter().filter(|l|char_filter_match(l.char_filter(),trigger_char)){
match lx.lex(&text[pos as usize..], &ctx){
Err(e)if e.any(|e| *e==err_not_applicable()) => continue,
Err(e) => {
let eopt = e.keep_only(|e| *e!=err_cascade()).map(|e|Err(e.to_api()));
return hand.handle(&lex, &eopt)
},
Ok((s,expr)) => {
let ctx = mk_ctx(sys,hand.reqnot());
let expr = expr.to_api(&mut |f,r|do_extra(f,r,ctx.clone()));
let pos = (text.len()-s.len())as u32;
return hand.handle(&lex, &Some(Ok(api::LexedExpr {
pos,expr
})))
}
}
}writeln!(logger,"Got notified about n/a character '{trigger_char}'");
hand.handle(&lex, &None).await
},
api::HostExtReq::ParseLine(pline) => {
let api::ParseLine {
exported,comments,sys,line
} = &pline;
let mut ctx = mk_ctx(*sys,hand.reqnot());
let parsers = ctx.cted.inst().dyn_parsers();
let comments = comments.iter().map(Comment::from_api).collect();
let line:Vec<GenTokTree> = ttv_from_api(line, &mut ctx);
let snip = Snippet::new(line.first().expect("Empty line"), &line);
let(head,tail) = snip.pop_front().unwrap();
let name = if let GenTok::Name(n) = &head.tok {
n
}else {
panic!("No line head")
};
let parser = parsers.iter().find(|p|p.line_head()== **name).expect("No parser candidate");
let o_line = match parser.parse(*exported,comments,tail){
Err(e) => Err(e.to_api()),
Ok(t) => Ok(ttv_to_api(t, &mut |f,range|{
api::TokenTree {
range,token:api::Token::Atom(f.clone().build(ctx.clone()))
}
})),
};
hand.handle(&pline, &o_line).await
}
api::HostExtReq::AtomReq(atom_req) => {
let atom = atom_req.get_atom();
with_atom_record(&mk_ctx,hand.reqnot(),atom, |nfo,ctx,id,buf|async {
let actx = AtomCtx(buf,atom.drop,ctx.clone());
match&atom_req {
api::AtomReq::SerializeAtom(ser) => {
let mut buf = enc_vec(&id);
let refs_opt = nfo.serialize(actx, &mut buf);
hand.handle(ser, &refs_opt.map(|refs|(buf,refs))),await
}
api::AtomReq::AtomPrint(print@api::AtomPrint(_)) => hand.handle(print, &nfo.print(actx)).await,
api::AtomReq::Fwded(fwded) => {
let api::Fwded(_,key,payload) = &fwded;
let mut reply = Vec::new();
let some = nfo.handle_req(actx,Sym::from_api(*key), &mut &payload[..], &mut reply);
hand.handle(fwded, &some.then_some(reply)).await
}
api::AtomReq::CallRef(call@api::CallRef(_,arg)) => {
let ret = nfo.call_ref(actx, *arg);
hand.handle(call, &ret.api_return(ctx.clone(), &mut |h|hand.defer_drop(h))).await
},
api::AtomReq::FinalCall(call@api::FinalCall(_,arg)) => {
let ret = nfo.call(actx, *arg);
hand.handle(call, &ret.api_return(ctx.clone(), &mut |h|hand.defer_drop(h))).await
}
api::AtomReq::Command(cmd@api::Command(_)) => {
hand.handle(cmd, &match nfo.command(actx){
Err(e) => Err(e.to_api()),
Ok(opt) => Ok(match opt {
None => api::NextStep::Halt,
Some(cont) => api::NextStep::Continue(cont.api_return(ctx.clone(), &mut |h|hand.defer_drop(h))),
})
}).await
}
}
}).await
},
api::HostExtReq::DeserAtom(deser) => {
let api::DeserAtom(sys,buf,refs) = &deser;
let mut read = &mut &buf[..];
let ctx = mk_ctx(*sys,hand.reqnot());
let id = api::AtomId::decode(&mut read);
let inst = ctx.cted.inst();
let nfo = atom_by_idx(inst.card(),id).expect("Deserializing atom with invalid ID");
hand.handle(&deser, &nfo.deserialize(ctx.clone(),read,refs)).await
},
orchid_api::HostExtReq::ApplyMacro(am) => {
let tok = hand.will_handle_as(&am);
let sys_ctx = mk_ctx(am.sys,hand.reqnot());
let ctx = RuleCtx {
args:(am.params.into_iter()).map(|(k,v)|(Tok::from_api(k),mtreev_from_api(&v, &mut |_|panic!("No atom in macro prompt!")))).collect(),run_id:am.run_id,sys:sys_ctx.clone(),
};
hand.handle_as(tok, &match apply_rule(am.id,ctx){
Err(e) => e.keep_only(|e| *e!=err_cascade()).map(|e|Err(e.to_api())),
Ok(t) => Some(Ok(mtreev_to_api(&t, &mut |a|{
api::MacroToken::Atom(a.clone().build(sys_ctx.clone()))
}))),
}).await
}
};
receipt
}.boxed_local())
},
);
init_replica(rn.clone().map());
while !exiting.load(Ordering::Relaxed) {