statebuddy/src/App/RTHistory.tsx

114 lines
4.1 KiB
TypeScript

import { Dispatch, memo, SetStateAction, useCallback } from "react";
import { Statechart, stateDescription } from "../statecharts/abstract_syntax";
import { Mode, RaisedEvent, RT_Event } from "../statecharts/runtime_types";
import { formatTime } from "../util/util";
import { TimeMode, timeTravel } from "../statecharts/time";
import { TraceItem, TraceState } from "./App";
import { Environment } from "@/statecharts/environment";
type RTHistoryProps = {
trace: TraceState|null,
setTrace: Dispatch<SetStateAction<TraceState|null>>;
ast: Statechart,
setTime: Dispatch<SetStateAction<TimeMode>>,
showPlantTrace: boolean,
}
export function RTHistory({trace, setTrace, ast, setTime, showPlantTrace}: RTHistoryProps) {
const onMouseDown = useCallback((idx: number, timestamp: number) => {
setTrace(trace => trace && {
...trace,
idx,
});
setTime(time => timeTravel(time, timestamp, performance.now()));
}, [setTrace, setTime]);
if (trace === null) {
return <></>;
}
return trace.trace.map((item, i) => {
const prevItem = trace.trace[i-1];
// @ts-ignore
const isPlantStep = item.state?.sc === prevItem?.state?.sc;
if (!showPlantTrace && isPlantStep) {
return <></>
}
return <RTHistoryItem ast={ast} idx={i} item={item} prevItem={prevItem} isPlantStep={isPlantStep} active={i === trace.idx} onMouseDown={onMouseDown}/>;
});
}
function RTCause(props: {cause?: RT_Event}) {
if (props.cause === undefined) {
return <>{"<init>"}</>;
}
if (props.cause.kind === "timer") {
return <>{"<timer>"}</>;
}
else if (props.cause.kind === "input") {
return <>{props.cause.name}<RTEventParam param={props.cause.param}/></>
}
console.log(props.cause);
throw new Error("unreachable");
}
function RTEventParam(props: {param?: any}) {
return <>{props.param !== undefined && <>({JSON.stringify(props.param)})</>}</>;
}
export const RTHistoryItem = memo(function RTHistoryItem({ast, idx, item, prevItem, isPlantStep, active, onMouseDown}: {idx: number, ast: Statechart, item: TraceItem, prevItem?: TraceItem, isPlantStep: boolean, active: boolean, onMouseDown: (idx: number, timestamp: number) => void}) {
if (item.kind === "bigstep") {
// @ts-ignore
const newStates = item.state.sc.mode.difference(prevItem?.state.sc.mode || new Set());
return <div
className={"runtimeState" + (active ? " active" : "") + (isPlantStep ? " plantStep" : "")}
onMouseDown={useCallback(() => onMouseDown(idx, item.simtime), [idx, item.simtime])}>
<div>
{formatTime(item.simtime)}
&emsp;
<div className="inputEvent"><RTCause cause={isPlantStep ? item.state.plant.inputEvent : item.state.sc.inputEvent}/></div>
</div>
<ShowMode mode={newStates} statechart={ast}/>
<ShowEnvironment environment={item.state.sc.environment}/>
{item.state.sc.outputEvents.length>0 && <>^
{item.state.sc.outputEvents.map((e:RaisedEvent) => <span className="outputEvent">{e.name}<RTEventParam param={e.param}/></span>)}
</>}
</div>;
}
else {
// error item
return <div
className={"runtimeState runtimeError" + (active ? " active" : "")}
onMouseDown={useCallback(() => onMouseDown(idx, item.simtime), [idx, item.simtime])}>
<div>
{formatTime(item.simtime)}
&emsp;
<div className="inputEvent">{item.cause}</div>
</div>
<div>
{item.error.message}
</div>
</div>;
}
});
function ShowEnvironment(props: {environment: Environment}) {
return <div>{
[...props.environment.entries()]
.filter(([variable]) => !variable.startsWith('_'))
.map(([variable,value]) => `${variable.split('.').at(-1)}: ${JSON.stringify(value)}`).join(', ')
}</div>;
}
function ShowMode(props: {mode: Mode, statechart: Statechart}) {
const activeLeafs = getActiveLeafs(props.mode, props.statechart);
return <div>{[...activeLeafs].map(uid =>
<span className="activeState">{stateDescription(props.statechart.uid2State.get(uid)!)}</span>)}</div>;
}
function getActiveLeafs(mode: Mode, sc: Statechart) {
return new Set([...mode].filter(uid =>
// @ts-ignore
sc.uid2State.get(uid)?.children?.length === 0
));
}