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Various progress, doesnt compile

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Added prelude, made lambdas a single-token prefix like NS, made progress on implementations, removed const line type
This commit is contained in:
Lawrence Bethlenfalvy
2025-07-31 00:30:41 +02:00
parent 19f2c6426a
commit 769c6cfc9f
31 changed files with 450 additions and 250 deletions
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19
orchid-host/src/lex.rs
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@@ -125,21 +125,12 @@ pub async fn lex_once(ctx: &mut LexCtx<'_>) -> OrcRes<ParsTokTree> {
let end = tail.find(['\n', '\r']).map_or(tail.len(), |n| n - 1);
ctx.push_pos(end as u32);
ParsTok::Comment(Rc::new(tail[2..end].to_string()))
} else if ctx.strip_char('\\') {
let mut arg = Vec::new();
} else if let Some(tail) = ctx.tail.strip_prefix('\\').filter(|t| t.starts_with(name_start)) {
// fanciness like \$placeh in templates is resolved in the macro engine.
ctx.set_tail(tail);
let arg = lex_once(ctx).boxed_local().await?;
ctx.trim_ws();
while !ctx.strip_char('.') {
if ctx.tail.is_empty() {
return Err(mk_errv(
ctx.ctx.i.i("Unclosed lambda").await,
"Lambdae started with \\ should separate arguments from body with .",
[SrcRange::new(start..start + 1, ctx.path)],
));
}
arg.push(lex_once(ctx).boxed_local().await?);
ctx.trim_ws();
}
ParsTok::LambdaHead(arg)
ParsTok::LambdaHead(Box::new(arg))
} else if let Some((lp, rp, paren)) = PARENS.iter().find(|(lp, ..)| ctx.strip_char(*lp)) {
let mut body = Vec::new();
ctx.trim_ws();