From 0efb15a9eb706896cdabb9ca5d2b0c295c2dffcf Mon Sep 17 00:00:00 2001
From: Brian Cully <bjc@spork.org>
Date: Sun, 24 Aug 2025 14:22:48 -0400
Subject: rename parser → compiler, interp → vm
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reflects reality better
---
 main.mjs | 52 ++++++++++++++++++++++++++--------------------------
 1 file changed, 26 insertions(+), 26 deletions(-)

(limited to 'main.mjs')

diff --git a/main.mjs b/main.mjs
index 701659f..9e3e037 100644
--- a/main.mjs
+++ b/main.mjs
@@ -1,4 +1,4 @@
-import init, { make_interp } from './pkg/automathon.js';
+import init, { make_vm } from './pkg/automathon.js';
 
 function wordlistElts(wordlist) {
     return wordlist.map((bc, i) => {
@@ -25,12 +25,12 @@ function initWordlist() {
     });
 }
 
-function renderStack(interp) {
+function renderStack(vm) {
     document.querySelectorAll('#stack').forEach(e => {
         while (e.lastChild) {
             e.removeChild(e.lastChild);
         }
-        interp.stack().reverse()
+        vm.stack().reverse()
             .forEach(datum => {
                 const elt = document.createElement('li');
                 elt.textContent = datum;
@@ -40,12 +40,12 @@ function renderStack(interp) {
     });
 }
 
-function renderCallStack(interp) {
+function renderCallStack(vm) {
     document.querySelectorAll('#callstack').forEach(e => {
         while (e.lastChild) {
             e.removeChild(e.lastChild);
         }
-        interp.callstack().reverse()
+        vm.callstack().reverse()
             .forEach(datum => {
                 const elt = document.createElement('li');
                 elt.textContent = `${datum.word}@${datum.offset}`;
@@ -59,9 +59,9 @@ const highRange = new Range();
 const highlight = new Highlight(highRange);
 CSS.highlights.set('exec', highlight);
 
-function renderTextHighlight(interp) {
-    const ip = interp.ip();
-    const anno = interp.annotation_at(ip)
+function renderTextHighlight(vm) {
+    const ip = vm.ip();
+    const anno = vm.annotation_at(ip)
     const src = document.querySelector('#src');
 
     // this assumes the text node is the first child, maybe it isn't?
@@ -69,27 +69,27 @@ function renderTextHighlight(interp) {
     highRange.setEnd(src.childNodes[0], anno.end);
 }
 
-function tick(interp) {
-    if (!interp.tick()) {
-        interp.reset_ip();
+function tick(vm) {
+    if (!vm.tick()) {
+        vm.reset_ip();
     }
 
-    const { word, offset } = interp.ip();
+    const { word, offset } = vm.ip();
     document.querySelectorAll('#wordlist .ip').forEach(e => e.classList.remove('ip'));
     const sel = selectorForIP(word, offset);
     document.querySelectorAll(sel).forEach(e => {
         e.classList.add('ip');
     });
-    renderStack(interp);
-    renderCallStack(interp);
-    renderTextHighlight(interp);
+    renderStack(vm);
+    renderCallStack(vm);
+    renderTextHighlight(vm);
 }
 
 async function loaded() {
     console.debug('running init');
     const mod = await init();
     console.debug('init done', mod);
-    const interp = make_interp();
+    const vm = make_vm();
 
     document.querySelector('#compile').onclick = e => {
         console.debug('compile clicked', e);
@@ -104,32 +104,32 @@ async function loaded() {
         const text = document.querySelector('#src').textContent + '\n';
         console.debug('compiling', text);
         const start = performance.now();
-        const res = interp.compile(text);
+        const res = vm.compile(text);
         const end = performance.now();
         console.info(`compile took ${end-start} ms`);
         if (res) {
-            const wordlist = wordlistElts(interp.wordlist());
+            const wordlist = wordlistElts(vm.wordlist());
             wordlist.forEach(elt => wordlistContainer.appendChild(elt));
             initWordlist();
-            renderStack(interp);
-            renderCallStack(interp);
-            renderTextHighlight(interp);
+            renderStack(vm);
+            renderCallStack(vm);
+            renderTextHighlight(vm);
         }
     };
     document.querySelector('#tick').onclick = e => {
         console.debug('tick clicked', e);
-        tick(interp);
+        tick(vm);
     };
     document.querySelector('#bench').onclick = e => {
         console.debug('bench clicked', e);
         const start = performance.now();
         let tickCount = 0;
         for (let i = 0; i < 1_000_000; i++) {
-            tickCount += interp.run();
+            tickCount += vm.run();
         }
         const end = performance.now();
         console.info(`run took ${end-start} ms for ${tickCount} ticks (${(end-start)/tickCount * 1_000_000} ns/tick).`);
-        console.info('result', interp.stack());
+        console.info('result', vm.stack());
     };
 
     let blinkenRun = false;
@@ -144,13 +144,13 @@ async function loaded() {
         const frameRate = 6;
         const onTimeout = _ => {
             if (blinkenRun) {
-                tick(interp);
+                tick(vm);
                 setTimeout(onTimeout, 1_000 / frameRate);
             }
         }
         setTimeout(onTimeout);
     }
-    window.interp = interp;
+    window.vm = vm;
 }
 
 document.addEventListener('DOMContentLoaded', loaded);
-- 
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