ParkerTenBroeck/automata
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started adding simulators

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Parker TenBroeck 2026-01-10 14:29:08 -05:00
parent 61d7edd929
commit 22ef009122
5 changed files with 190 additions and 68 deletions
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40
web/root/src/visualizer.ts
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@ -3,7 +3,7 @@
// deno-lint-ignore no-import-prefix
import * as vis from "npm:vis-network/standalone";
import { StateEffect } from "npm:@codemirror/state";
import { Machine } from "./automata.ts";
import { automaton, Machine, setAutomaton } from "./automata.ts";
import { getText } from "./editor.ts";
export const nodes = new vis.DataSet<vis.Node>();
@ -125,30 +125,6 @@ export function updateGraphTheme() {
setAutomaton(automaton)
}
let automaton: Machine = {
type: "fa",
alphabet: new Map(),
final_states: new Map(),
initial_state: "",
states: new Map(),
transitions: new Map(),
transitions_components: new Map(),
edges: new Map(),
};
export function clearAutomaton() {
automaton = {
type: "fa",
alphabet: new Map(),
final_states: new Map(),
initial_state: "",
states: new Map(),
transitions: new Map(),
transitions_components: new Map(),
edges: new Map(),
};
}
let _measureCanvas: HTMLCanvasElement | null = null;
@ -163,9 +139,7 @@ export function measureTextWidth(text: string, font: string): number {
return ctx.measureText(text).width;
}
export function setAutomaton(auto: Machine) {
automaton = auto;
export function updateVisualization() {
// Populate nodes
for (const state of automaton.states.keys()) {
@ -186,7 +160,7 @@ export function setAutomaton(auto: Machine) {
}
// Populate edges
for (const [edge_id, transitions] of auto.edges) {
for (const [edge_id, transitions] of automaton.edges) {
const to_from = edge_id.split("#");
const vadjust = -getGraphTheme().edge_font_size *
Math.floor(transitions.length / 2);
@ -202,7 +176,7 @@ export function setAutomaton(auto: Machine) {
font,
from: to_from[0],
to: to_from[1],
label: transitions.map(i => i.repr).join(auto.type=="fa"?",":"\n"),
label: transitions.map(i => i.repr).join(automaton.type=="fa"?",":"\n"),
});
} else {
edges.add({
@ -210,19 +184,19 @@ export function setAutomaton(auto: Machine) {
font,
from: to_from[0],
to: to_from[1],
label: transitions.map(i => i.repr).join(auto.type=="fa"?",":"\n"),
label: transitions.map(i => i.repr).join(automaton.type=="fa"?",":"\n"),
});
}
}
for (const edge_id of edges.getIds()) {
if (!auto.edges.has(edge_id as string)) {
if (!automaton.edges.has(edge_id as string)) {
edges.remove(edge_id);
}
}
for (const node_id of nodes.getIds()) {
if (!auto.states.has(node_id as string)) {
if (!automaton.states.has(node_id as string)) {
nodes.remove(node_id);
}
}