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plant has its own timed/reactive behavior - typically another statechart

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This commit is contained in:
Joeri Exelmans 2025-10-28 14:47:42 +01:00
parent b50f52496a
commit 3e5dca437b
19 changed files with 401 additions and 241 deletions
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28
src/statecharts/interpreter.ts
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@ -2,20 +2,20 @@ import { AbstractState, computeArena, computePath, ConcreteState, getDescendants
import { evalExpr } from "./actionlang_interpreter";
import { Environment, FlatEnvironment, ScopedEnvironment } from "./environment";
import { Action, EventTrigger, TransitionLabel } from "./label_ast";
import { BigStepOutput, initialRaised, Mode, RaisedEvents, RT_Event, RT_History, RT_Statechart, TimerElapseEvent, Timers } from "./runtime_types";
import { BigStep, initialRaised, Mode, RaisedEvents, RT_Event, RT_History, RT_Statechart, TimerElapseEvent, Timers } from "./runtime_types";
const initialEnv = new Map<string, any>([
["_timers", []],
["_log", (str: string) => console.log(str)],
]);
const initialScopedEnvironment = new ScopedEnvironment({env: initialEnv, children: {}});
// const intiialFlatEnvironment = new FlatEnvironment(initialEnv);
// const initialScopedEnvironment = new ScopedEnvironment({env: initialEnv, children: {}});
const intiialFlatEnvironment = new FlatEnvironment(initialEnv);
export function initialize(ast: Statechart): BigStepOutput {
export function initialize(ast: Statechart): BigStep {
let history = new Map();
let enteredStates, environment, rest;
({enteredStates, environment, history, ...rest} = enterDefault(0, ast.root, {
environment: initialScopedEnvironment,
environment: intiialFlatEnvironment,
history,
...initialRaised,
}));
@ -256,8 +256,11 @@ function attemptSrcState(simtime: number, sourceState: AbstractState, event: RT_
const addEventParam = (event && event.kind === "input" && event.param !== undefined) ?
(environment: Environment, label: TransitionLabel) => {
const varName = (label.trigger as EventTrigger).paramName as string;
const result = environment.newVar(varName, event.param);
return result;
if (varName) {
const result = environment.newVar(varName, event.param);
return result;
}
return environment;
}
: (environment: Environment) => environment;
// console.log('attemptSrcState', stateDescription(sourceState), arenasFired);
@ -342,15 +345,15 @@ export function fairStep(simtime: number, event: RT_Event, statechart: Statechar
return {arenasFired, environment, ...config};
}
export function handleInputEvent(simtime: number, event: RT_Event, statechart: Statechart, {mode, environment, history}: {mode: Mode, environment: Environment, history: RT_History}): BigStepOutput {
export function handleInputEvent(simtime: number, event: RT_Event, statechart: Statechart, {mode, environment, history}: {mode: Mode, environment: Environment, history: RT_History}): BigStep {
let raised = initialRaised;
({mode, environment, ...raised} = fairStep(simtime, event, statechart, statechart.root, {mode, environment, history, arenasFired: [], ...raised}));
return handleInternalEvents(simtime, statechart, {mode, environment, history, ...raised});
return {inputEvent: event, ...handleInternalEvents(simtime, statechart, {mode, environment, history, ...raised})};
}
export function handleInternalEvents(simtime: number, statechart: Statechart, {internalEvents, ...rest}: RT_Statechart & RaisedEvents): BigStepOutput {
export function handleInternalEvents(simtime: number, statechart: Statechart, {internalEvents, ...rest}: RT_Statechart & RaisedEvents) {
while (internalEvents.length > 0) {
const [nextEvent, ...remainingEvents] = internalEvents;
({internalEvents, ...rest} = fairStep(simtime,
@ -389,11 +392,12 @@ export function fire(simtime: number, t: Transition, ts: Map<string, Transition[
// console.log('exitedMode', exitedMode);
// transition actions
environment = addEventParam(environment.enterScope("<transition>"), label);
for (const action of label.actions) {
environment = addEventParam(environment.enterScope("<transition>"), label);
console.log('environment after adding event param:', environment);
({environment, history, ...rest} = execAction(action, {environment, history, ...rest}, [t.uid]));
environment = environment.dropScope();
}
environment = environment.dropScope();
const tgtPath = computePath({ancestor: arena, descendant: t.tgt});
const state = tgtPath[0] as ConcreteState; // first state to enter