depell/src/index.css

@@ -141,24 +141,3 @@ div#dep-list {
 		}
 	}
 }
-
-.fmt {
-	font-family: monospace;
-}
-.syn {
-	font-family: monospace;
-	&.Comment { color: #939f91; }
-	&.Keyword { color: #f85552; }
-	&.Identifier { color: #3a94c5; }
-	&.Directive { color: #3a94c5; }
-	&.Number {}
-	&.String { color: #8da101; }
-	&.Op { color: #f57d26; }
-	&.Assign { color: #f57d26; }
-	&.Paren { color: #5c6a72; }
-	&.Bracket { color: #5c6a72; }
-	&.Colon { color: #5c6a72; }
-	&.Comma { color: #5c6a72; }
-	&.Dot { color: #5c6a72; }
-	&.Ctor { color: #3a94c5; }
-}

depell/src/index.js

@@ -50,20 +50,18 @@ function modifyCode(instance, code, action) {
 	let {
 		INPUT, INPUT_LEN,
 		OUTPUT, OUTPUT_LEN,
-		memory, fmt, tok, minify
+		memory, fmt, minify
 	} = instance.exports;
 
-	let funs = { fmt, tok, minify };
 	if (!(true
 		&& memory instanceof WebAssembly.Memory
 		&& INPUT instanceof WebAssembly.Global
 		&& INPUT_LEN instanceof WebAssembly.Global
 		&& OUTPUT instanceof WebAssembly.Global
 		&& OUTPUT_LEN instanceof WebAssembly.Global
-		&& funs.hasOwnProperty(action)
-		&& typeof funs[action] === "function"
+		&& typeof fmt === "function"
+		&& typeof minify === "function"
 	)) never();
-	let fun = funs[action];
 
 	if (action !== "fmt") {
 		INPUT = OUTPUT;
@@ -74,14 +72,8 @@ function modifyCode(instance, code, action) {
 	dw.setUint32(INPUT_LEN.value, code.length, true);
 	new Uint8Array(memory.buffer, INPUT.value).set(new TextEncoder().encode(code));
 
-	if (!runWasmFunction(instance, fun)) {
-		return undefined;
-	}
-	if (action === "tok") {
-		return bufSlice(memory, OUTPUT, OUTPUT_LEN);
-	} else {
-		return bufToString(memory, OUTPUT, OUTPUT_LEN);
-	}
+	return runWasmFunction(instance, action === "fmt" ? fmt : minify) ?
+		bufToString(memory, OUTPUT, OUTPUT_LEN) : undefined;
 }
 
 
@@ -127,15 +119,6 @@ function packPosts(posts, view) {
 	return len;
 }
 
-/** @param {WebAssembly.Memory} mem
- * @param {WebAssembly.Global} ptr
- * @param {WebAssembly.Global} len
- * @return {Uint8Array} */
-function bufSlice(mem, ptr, len) {
-	return new Uint8Array(mem.buffer, ptr.value,
-			new DataView(mem.buffer).getUint32(len.value, true));
-}
-
 /** @param {WebAssembly.Memory} mem
  * @param {WebAssembly.Global} ptr
  * @param {WebAssembly.Global} len
@@ -282,80 +265,19 @@ async function bindCodeEdit(target) {
 	edit.dispatchEvent(new InputEvent("input"));
 }
 
-/**
- * @type {{ Array<string> }}
- * to be synched with `enum TokenGroup` in bytecode/src/fmt.rs */
-const TOK_CLASSES = [
-    'Blank',
-    'Comment',
-    'Keyword',
-    'Identifier',
-    'Directive',
-    'Number',
-    'String',
-    'Op',
-    'Assign',
-    'Paren',
-    'Bracket',
-    'Colon',
-    'Comma',
-    'Dot',
-    'Ctor',
-];
-
-/** @type {{ [key: string]: (el: HTMLElement) => undefined | Promise<undefined> }} */
+/** @type {{ [key: string]: (content: string) => Promise<string> | string }} */
 const applyFns = {
-	timestamp: (el) => {
-		const timestamp = el.innerText;
-		const date = new Date(parseInt(timestamp) * 1000);
-		el.innerText = date.toLocaleString();
-	},
-	fmt,
+	timestamp: (content) => new Date(parseInt(content) * 1000).toLocaleString(),
+	fmt: (content) => getFmtInstance().then(i => modifyCode(i, content, "fmt") ?? "invalid code"),
 };
-
-/**
- * @param {HTMLElement} target
- * @param {string} code */
-async function fmt(target) {
-	const code = target.innerText;
-	const instance = await getFmtInstance();
-	const decoder = new TextDecoder('utf-8');
-	const fmt = modifyCode(instance, code, 'fmt');
-	const codeBytes = new TextEncoder('utf-8').encode(fmt);
-	const tok = modifyCode(instance, fmt, 'tok');
-	target.innerHTML = '';
-	let start = 0;
-	let kind = tok[0];
-	for (let ii = 1; ii <= tok.length; ii += 1) {
-		// split over same tokens and buffer end
-		if (tok[ii] === kind && ii < tok.length) {
-			continue;
-		}
-		const text = decoder.decode(codeBytes.subarray(start, ii));
-		const textNode = document.createTextNode(text);;
-		if (kind === 0) {
-			target.appendChild(textNode);
-		} else {
-			const el = document.createElement('span');
-			el.classList.add('syn');
-			el.classList.add(TOK_CLASSES[kind]);
-			el.appendChild(textNode);
-			target.appendChild(el);
-		}
-		if (ii == tok.length) {
-			break;
-		}
-		start = ii;
-		kind = tok[ii];
-	}
-}
-
 /** @param {HTMLElement} target */
-async function execApply(target) {
+function execApply(target) {
 	for (const elem of target.querySelectorAll('[apply]')) {
 		if (!(elem instanceof HTMLElement)) continue;
 		const funcname = elem.getAttribute('apply') ?? never();
-		applyFns[funcname](elem);
+		let res = applyFns[funcname](elem.textContent ?? "");
+		if (res instanceof Promise) res.then(c => elem.textContent = c);
+		else elem.textContent = res;
 	}
 }
 

depell/wasm-fmt/src/lib.rs

@@ -27,16 +27,8 @@ unsafe extern "C" fn fmt() {
     OUTPUT_LEN = MAX_OUTPUT_SIZE - f.0.len();
 }
 
-#[no_mangle]
-unsafe extern "C" fn tok() {
-    let code = core::slice::from_raw_parts_mut(
-        core::ptr::addr_of_mut!(OUTPUT).cast(), OUTPUT_LEN);
-    OUTPUT_LEN = fmt::get_token_kinds(code);
-}
-
 #[no_mangle]
 unsafe extern "C" fn minify() {
-    let code = core::str::from_raw_parts_mut(
-        core::ptr::addr_of_mut!(OUTPUT).cast(), OUTPUT_LEN);
+    let code = core::str::from_raw_parts_mut(core::ptr::addr_of_mut!(OUTPUT).cast(), OUTPUT_LEN);
     OUTPUT_LEN = fmt::minify(code);
 }

lang/README.md

@@ -707,24 +707,40 @@ main := fn(): void {
 
 #### very_nested_loops
 ```hb
-
-$H := 3
-$W := 3
+$W := 200
+$H := 200
+$MAX_ITER := 20
+$ZOOM := 0.5
 
 main := fn(): int {
-	y := @as(int, 0)
-	loop if y == H break else {
-		x := @as(int, 0)
-		loop if x == W break else {
-			c_r := @itf(x)
-			c_i := @itf(y)
-			if c_i * c_r >= 10.0 return 0
-			x += 1
+	mv_x := 0.5
+	mv_y := 0.0
+
+	y := 0
+	loop if y < H break else {
+		x := 0
+		loop if x < W break else {
+			i := MAX_ITER - 1
+
+			c_i := (2.0 * @floatcast(@itf(@as(i32, @intcast(x)))) - @floatcast(@itf(@as(i32, @intcast(W))))) / (W * ZOOM) + mv_x
+			c_r := (2.0 * @floatcast(@itf(@as(i32, @intcast(y)))) - @floatcast(@itf(@as(i32, @intcast(H))))) / (H * ZOOM) + mv_y
+
+			z_i := c_i
+			z_r := c_r
+
+			// iteration
+			loop if (z_r + z_i) * (z_r + z_i) >= 4 | i == 0 break else {
+				// z = z * z + c
+				z_i = z_i * z_i + c_i
+				z_r = z_r * z_r + c_r
+				i -= 1
+			}
+			//   b g r
+			put_pixel(.(x, y), .(@intcast(i), @intcast(i), @intcast(i), 255))
 		}
-		y += 1
 	}
 
-	return 1
+	return 0
 }
 
 Color := struct {r: u8, g: u8, b: u8, a: u8}

lang/src/fmt.rs

@@ -26,75 +26,6 @@ pub fn display_radix(radix: Radix, mut value: u64, buf: &mut [u8; 64]) -> &str {
     unreachable!()
 }
 
-#[repr(u8)]
-enum TokenGroup {
-    Blank = 0,
-    Comment = 1,
-    Keyword = 2,
-    Identifier = 3,
-    Directive = 4,
-    Number = 5,
-    String = 6,
-    Op = 7,
-    Assign = 8,
-    Paren = 9,
-    Bracket = 10,
-    Colon = 11,
-    Comma = 12,
-    Dot = 13,
-    Ctor = 14,
-}
-
-fn token_group(kind: TokenKind) -> TokenGroup {
-    use crate::lexer::TokenKind::*;
-    match kind {
-        // unused/unimplemented
-        | BSlash | Pound | Eof | Ct => TokenGroup::Blank,
-        | Comment => TokenGroup::Comment,
-        | Directive => TokenGroup::Directive,
-        | Colon => TokenGroup::Colon,
-        | Semi | Comma => TokenGroup::Comma,
-        | Dot => TokenGroup::Dot,
-        | Ctor | Tupl => TokenGroup::Ctor,
-        | LParen | RParen => TokenGroup::Paren,
-        | LBrace | RBrace | LBrack | RBrack => TokenGroup::Bracket,
-        | Number | Float => TokenGroup::Number,
-        | Under | CtIdent | Ident => TokenGroup::Identifier,
-        | Tick | Tilde | Que
-        | Not | Mod | Band | Bor | Xor
-        | Mul | Add | Sub | Div
-        | Shl | Shr | Or | And
-        | Lt | Gt | Eq | Le | Ge | Ne => TokenGroup::Op,
-        | Decl | Assign
-        | BorAss | XorAss | BandAss
-        | AddAss | SubAss | MulAss | DivAss | ModAss
-        | ShrAss | ShlAss => TokenGroup::Assign,
-        | DQuote | Quote => TokenGroup::String,
-        | Return | If | Else | Loop | Break | Continue | Fn | Idk | Die
-        | Struct | Packed | True | False | Null => TokenGroup::Keyword,
-    }
-}
-
-pub fn get_token_kinds(mut source: &mut [u8]) -> usize {
-    let len = source.len();
-    loop {
-        let src = unsafe { core::str::from_utf8_unchecked(source) };
-        let mut token = lexer::Lexer::new(src).eat();
-        match token.kind {
-            TokenKind::Eof => break,
-            // ???
-            TokenKind::CtIdent | TokenKind::Directive => token.start -= 1,
-            _ => {}
-        }
-        let start = token.start as usize;
-        let end = token.end as usize;
-        source[..start].fill(0);
-        source[start..end].fill(token_group(token.kind) as u8);
-        source = &mut source[end..];
-    }
-    len
-}
-
 pub fn minify(source: &mut str) -> usize {
     fn needs_space(c: u8) -> bool {
         matches!(c, b'a'..=b'z' | b'A'..=b'Z' | b'0'..=b'9' | 127..)

lang/src/son.rs

@@ -4844,7 +4844,7 @@ mod tests {
     fn generate(ident: &'static str, input: &'static str, output: &mut String) {
         _ = log::set_logger(&crate::fs::Logger);
         log::set_max_level(log::LevelFilter::Info);
-        log::set_max_level(log::LevelFilter::Trace);
+        //log::set_max_level(log::LevelFilter::Trace);
 
         let mut ctx = CodegenCtx::default();
         let (ref files, embeds) = crate::test_parse_files(ident, input, &mut ctx.parser);

xtask/src/main.rs

@@ -25,7 +25,7 @@ fn build_cmd(cmd: impl AsRef<str>) -> std::process::Command {
 }
 
 fn exec(mut cmd: std::process::Command) -> io::Result<()> {
-    if !cmd.status().inspect_err(|e| println!("failed to execute '{cmd:?}': {e}"))?.success() {
+    if !cmd.status()?.success() {
         return Err(io::Error::other(format!("command failed: {:?}", cmd)));
     }
     Ok(())