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fix: lua glue uses structs directly

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This commit is contained in:
əlemi 2024-08-05 19:16:17 +02:00
parent 39533ae086
commit b75caaf959
Signed by: alemi
GPG key ID: A4895B84D311642C
1 changed files with 61 additions and 93 deletions
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154
src/ffi/lua.rs
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@ -1,9 +1,8 @@
use std::io::Write;
use std::sync::{mpsc, Arc, Mutex};
use crate::api::Cursor;
use crate::prelude::*;
use codemp_proto::{files::BufferNode, cursor::{RowCol, CursorPosition, CursorEvent}};
use woot::crdt::Op;
use mlua::prelude::*;
use tokio::runtime::Runtime;
@ -41,188 +40,157 @@ impl GlobalState {
}
}
#[derive(Debug, thiserror::Error, derive_more::From, derive_more::Display)]
struct LuaCodempError(CodempError);
impl From::<LuaCodempError> for LuaError {
fn from(value: LuaCodempError) -> Self {
impl From::<CodempError> for LuaError {
fn from(value: CodempError) -> Self {
LuaError::external(value)
}
}
// TODO put friendlier constructor directly in lib?
fn make_cursor(buffer: String, start_row: i32, start_col: i32, end_row: i32, end_col: i32) -> CursorPosition {
CursorPosition {
buffer: BufferNode::from(buffer), start: RowCol { row: start_row, col: start_col}, end: RowCol { row: end_row, col: end_col },
}
}
fn id(_: &Lua, (): ()) -> LuaResult<String> {
Ok(STATE.client().user_id().to_string())
}
/// join a remote workspace and start processing cursor events
fn join_workspace(_: &Lua, (session,): (String,)) -> LuaResult<LuaCursorController> {
fn join_workspace(_: &Lua, (session,): (String,)) -> LuaResult<CodempCursorController> {
tracing::info!("joining workspace {}", session);
let ws = STATE.rt().block_on(async { STATE.client_mut().join_workspace(&session).await })
.map_err(LuaCodempError::from)?;
let ws = STATE.rt().block_on(async { STATE.client_mut().join_workspace(&session).await })?;
let cursor = ws.cursor();
Ok(cursor.into())
}
fn login(_: &Lua, (username, password, workspace_id):(String, String, String)) -> LuaResult<()> {
Ok(STATE.rt().block_on(STATE.client().login(username, password, Some(workspace_id))).map_err(LuaCodempError::from)?)
Ok(STATE.rt().block_on(STATE.client().login(username, password, Some(workspace_id)))?)
}
fn get_workspace(_: &Lua, (session,): (String,)) -> LuaResult<Option<LuaWorkspace>> {
Ok(STATE.client().get_workspace(&session).map(LuaWorkspace))
fn get_workspace(_: &Lua, (session,): (String,)) -> LuaResult<Option<CodempWorkspace>> {
Ok(STATE.client().get_workspace(&session))
}
#[derive(Debug, derive_more::From)]
struct LuaOp(Op);
impl LuaUserData for LuaOp { }
#[derive(derive_more::From)]
struct LuaWorkspace(Arc<CodempWorkspace>);
impl LuaUserData for LuaWorkspace {
impl LuaUserData for CodempWorkspace {
fn add_methods<'lua, M: LuaUserDataMethods<'lua, Self>>(methods: &mut M) {
methods.add_method("create_buffer", |_, this, (name,):(String,)| {
Ok(STATE.rt().block_on(async { this.0.create(&name).await }).map_err(LuaCodempError::from)?)
Ok(STATE.rt().block_on(async { this.create(&name).await })?)
});
methods.add_method("attach_buffer", |_, this, (name,):(String,)| {
Ok(LuaBufferController(STATE.rt().block_on(async { this.0.attach(&name).await }).map_err(LuaCodempError::from)?))
Ok(STATE.rt().block_on(async { this.attach(&name).await })?)
});
// TODO disconnect_buffer
// TODO leave_workspace:w
methods.add_method("get_buffer", |_, this, (name,):(String,)| Ok(this.0.buffer_by_name(&name).map(LuaBufferController)));
methods.add_method("get_buffer", |_, this, (name,):(String,)| Ok(this.buffer_by_name(&name)));
}
fn add_fields<'lua, F: LuaUserDataFields<'lua, Self>>(fields: &mut F) {
fields.add_field_method_get("cursor", |_, this| Ok(LuaCursorController(this.0.cursor())));
fields.add_field_method_get("filetree", |_, this| Ok(this.0.filetree()));
fields.add_field_method_get("cursor", |_, this| Ok(this.cursor()));
fields.add_field_method_get("filetree", |_, this| Ok(this.filetree()));
// fields.add_field_method_get("users", |_, this| Ok(this.0.users())); // TODO
}
}
#[derive(Debug, derive_more::From)]
struct LuaCursorController(Arc<CodempCursorController>);
impl LuaUserData for LuaCursorController {
impl LuaUserData for CodempCursorController {
fn add_methods<'lua, M: LuaUserDataMethods<'lua, Self>>(methods: &mut M) {
methods.add_meta_method(LuaMetaMethod::ToString, |_, this, ()| Ok(format!("{:?}", this.0)));
methods.add_method("send", |_, this, (usr, sr, sc, er, ec):(String, i32, i32, i32, i32)| {
Ok(this.0.send(make_cursor(usr, sr, sc, er, ec)).map_err(LuaCodempError::from)?)
methods.add_meta_method(LuaMetaMethod::ToString, |_, this, ()| Ok(format!("{:?}", this)));
methods.add_method("send", |_, this, (buffer, start_row, start_col, end_row, end_col):(String, i32, i32, i32, i32)| {
Ok(this.send(CodempCursor { buffer, start: (start_row, start_col), end: (end_row, end_col), user: None })?)
});
methods.add_method("try_recv", |_, this, ()| {
match this.0.try_recv() .map_err(LuaCodempError::from)? {
Some(x) => Ok(Some(LuaCursorEvent(x))),
match this.try_recv()? {
Some(x) => Ok(Some(x)),
None => Ok(None),
}
});
methods.add_method("poll", |_, this, ()| {
STATE.rt().block_on(this.0.poll())
.map_err(LuaCodempError::from)?;
STATE.rt().block_on(this.poll())?;
Ok(())
});
}
}
#[derive(Debug, derive_more::From)]
struct LuaCursorEvent(CursorEvent);
impl LuaUserData for LuaCursorEvent {
impl LuaUserData for Cursor {
fn add_fields<'lua, F: LuaUserDataFields<'lua, Self>>(fields: &mut F) {
fields.add_field_method_get("user", |_, this| Ok(this.0.user.id.clone()));
fields.add_field_method_get("position", |_, this|
Ok(LuaCursorPosition(this.0.position.clone()))
);
fields.add_field_method_get("user", |_, this| Ok(this.user.map(|x| x.to_string())));
fields.add_field_method_get("buffer", |_, this| Ok(this.buffer.clone()));
fields.add_field_method_get("start", |_, this| Ok(RowCol::from(this.start)));
fields.add_field_method_get("finish", |_, this| Ok(RowCol::from(this.end)));
}
}
#[derive(Debug, derive_more::From)]
struct LuaCursorPosition(CursorPosition);
impl LuaUserData for LuaCursorPosition {
fn add_fields<'lua, F: LuaUserDataFields<'lua, Self>>(fields: &mut F) {
fields.add_field_method_get("buffer", |_, this| Ok(this.0.buffer.path.clone()));
fields.add_field_method_get("start", |_, this| Ok(LuaRowCol(this.0.start.clone())));
fields.add_field_method_get("finish", |_, this| Ok(LuaRowCol(this.0.end.clone())));
pub struct RowCol {
pub row: i32,
pub col: i32,
}
impl From<(i32, i32)> for RowCol {
fn from((row, col): (i32, i32)) -> Self {
Self { row, col }
}
}
impl LuaUserData for RowCol {
fn add_fields<'lua, F: LuaUserDataFields<'lua, Self>>(fields: &mut F) {
fields.add_field_method_get("row", |_, this| Ok(this.row));
fields.add_field_method_get("col", |_, this| Ok(this.col));
}
}
#[derive(Debug, derive_more::From)]
struct LuaBufferController(Arc<CodempBufferController>);
impl LuaUserData for LuaBufferController {
impl LuaUserData for CodempBufferController {
fn add_methods<'lua, M: LuaUserDataMethods<'lua, Self>>(methods: &mut M) {
methods.add_meta_method(LuaMetaMethod::ToString, |_, this, ()| Ok(format!("{:?}", this.0)));
methods.add_meta_method(LuaMetaMethod::ToString, |_, this, ()| Ok(format!("{:?}", this)));
methods.add_method("send", |_, this, (start, end, text): (usize, usize, String)| {
Ok(
this.0.send(
this.send(
CodempTextChange {
span: start..end,
content: text,
}
)
.map_err(LuaCodempError::from)?
)?
)
});
methods.add_method("send_diff", |_, this, (content,):(String,)| {
Ok(
this.0.send(
CodempTextChange::from_diff(&this.0.content(), &content)
)
.map_err(LuaCodempError::from)?
this.send(
CodempTextChange::from_diff(&this.content(), &content)
)?
)
});
methods.add_method("try_recv", |_, this, ()| {
match this.0.try_recv().map_err(LuaCodempError::from)? {
Some(x) => Ok(Some(LuaTextChange(x))),
match this.try_recv()? {
Some(x) => Ok(Some(x)),
None => Ok(None),
}
});
methods.add_method("poll", |_, this, ()| {
STATE.rt().block_on(this.0.poll())
.map_err(LuaCodempError::from)?;
STATE.rt().block_on(this.poll())?;
Ok(())
});
}
fn add_fields<'lua, F: LuaUserDataFields<'lua, Self>>(fields: &mut F) {
fields.add_field_method_get("content", |_, this| Ok(this.0.content()));
fields.add_field_method_get("content", |_, this| Ok(this.content()));
}
}
#[derive(Debug, derive_more::From)]
struct LuaTextChange(CodempTextChange);
impl LuaUserData for LuaTextChange {
impl LuaUserData for CodempOp { }
impl LuaUserData for CodempTextChange {
fn add_fields<'lua, F: LuaUserDataFields<'lua, Self>>(fields: &mut F) {
fields.add_field_method_get("content", |_, this| Ok(this.0.content.clone()));
fields.add_field_method_get("first", |_, this| Ok(this.0.span.start));
fields.add_field_method_get("last", |_, this| Ok(this.0.span.end));
fields.add_field_method_get("content", |_, this| Ok(this.content.clone()));
fields.add_field_method_get("first", |_, this| Ok(this.span.start));
fields.add_field_method_get("last", |_, this| Ok(this.span.end));
}
fn add_methods<'lua, M: LuaUserDataMethods<'lua, Self>>(methods: &mut M) {
methods.add_meta_function(LuaMetaMethod::Call, |_, (start, end, txt): (usize, usize, String)| {
Ok(LuaTextChange(CodempTextChange {
Ok(CodempTextChange {
span: start..end,
content: txt,
}))
})
});
methods.add_meta_method(LuaMetaMethod::ToString, |_, this, ()| Ok(format!("{:?}", this.0)));
methods.add_method("apply", |_, this, (txt,):(String,)| Ok(this.0.apply(&txt)));
}
}
#[derive(Debug, derive_more::From)]
struct LuaRowCol(RowCol);
impl LuaUserData for LuaRowCol {
fn add_fields<'lua, F: LuaUserDataFields<'lua, Self>>(fields: &mut F) {
fields.add_field_method_get("row", |_, this| Ok(this.0.row));
fields.add_field_method_get("col", |_, this| Ok(this.0.col));
methods.add_meta_method(LuaMetaMethod::ToString, |_, this, ()| Ok(format!("{:?}", this)));
methods.add_method("apply", |_, this, (txt,):(String,)| Ok(this.apply(&txt)));
}
}